CN112589483A - Small inner hole key groove machining process - Google Patents
Small inner hole key groove machining process Download PDFInfo
- Publication number
- CN112589483A CN112589483A CN202011618282.3A CN202011618282A CN112589483A CN 112589483 A CN112589483 A CN 112589483A CN 202011618282 A CN202011618282 A CN 202011618282A CN 112589483 A CN112589483 A CN 112589483A
- Authority
- CN
- China
- Prior art keywords
- product
- machining
- inner hole
- depth
- small inner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003754 machining Methods 0.000 title claims abstract description 41
- 238000012545 processing Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000003801 milling Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 8
- 230000007306 turnover Effects 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- 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
- B23D13/00—Tools or tool holders specially designed for planing or slotting machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a small inner hole key groove machining process, which comprises the following steps of S01: installing the product on a special tooling plate; s02: clamping the product by using an air cylinder; s03: setting a machining program, and performing vertical plunge milling on a machine tool under the condition that a main shaft does not rotate; s04: the invention clamps the special cutter on the main shaft to process the key slot of the product, the invention realizes the up-and-down plunge milling work under the condition that the main shaft does not rotate by a CNC processing program, and clamps the planer cutter on the main shaft to process the key slot, the precision of the key slot can be adjusted by the parameters of cutting speed, cutting amount and feeding amount in the processing process, and the multi-step processing is realized by automatic cutter changing, thereby realizing the less turnover of the product, improving the efficiency, improving the precision and improving the qualification rate.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a machining process for a small inner hole key groove.
Background
Currently, common devices for machining small inner hole keyways include: slotting machines, broaching machines, lathes, planing machines, and the like. None of the above listed machine tools is satisfactory for various types of machining, examples: drilling, hole milling, face milling, tapping and the like. The machine tool cannot meet the work of various machining types, so that the working procedures are not concentrated, and the accuracy is difficult to control, and the automation degree is relatively low.
The existing inner hole key groove machining process comprises lathe machining, CNC machining and slotting machine machining, wherein the slotting machine machining can lead to product turnover once more, clamping once more and precision errors caused by secondary positioning errors caused by clamping, so that the production efficiency and the qualification rate of products are reduced.
Disclosure of Invention
1. Objects of the invention
The invention provides a small inner hole key groove machining process, which is used for solving the technical problems that the existing inner hole key groove machining process in the background technology comprises lathe machining, CNC machining and slotting machine machining, and slotting machine machining can cause the precision error generated by the product with one more turnover and one more clamping and the secondary positioning error caused by the clamping, so that the production efficiency and the qualified rate of the product are reduced.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a small inner hole key groove machining process comprises the following steps:
s01: installing the product on a special tooling plate;
s02: clamping the product by using an air cylinder;
s03: setting a machining program, and performing vertical plunge milling on a machine tool under the condition that a main shaft does not rotate;
s04: and clamping the special cutter on the main shaft, and carrying out keyway processing on the product.
The further improvement lies in that: the step S03 of adding the engineering sequence includes the following steps:
a: spindle speed, using M19 orientation, unable to rotate;
b: the initial position of the depth of the processing groove is set to be #1 when the depth is minus 2.8 mm;
c: setting the depth of a processing groove: 1.3mm set to # 2;
d: setting the cutting amount: the feed amount of 0.1mm per time is set to be # 3;
e: the condition return program is set for calculating the machined groove depth: if the number #1 plus the number #3 is less than or equal to the number # 2, returning to the starting position for continuous machining, and the like, and completing the machining of the inner hole key groove after the groove depth reaches the programmed number # 2 depth.
The further improvement lies in that: the special cutter comprises a linear end and a machining end, the length of the linear end is 19mm, the width of the linear end is 8mm, the height of the linear end is 8mm, the length of the machining end is 4mm, and the machining end and the linear end are obliquely arranged at a certain angle.
The further improvement lies in that: the symmetry is equipped with two sets of constant head tanks that are used for installing the product at least on the frock board, the both ends of constant head tank are equipped with the clamping device who is used for pressing from both sides tight product, the constant head tank with clamping device is the clearance distribution.
The further improvement lies in that: the positioning groove is provided with a plurality of mounting bulges matched with the product.
The further improvement lies in that: the clamping device is at least provided with three groups, the clamping device comprises an air cylinder, the output end of the air cylinder is provided with a connecting plate and is close to one end of a product, a pressing rod is arranged below the connecting plate, and the tail end of the pressing rod is provided with a pressing ring.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
according to the invention, the CNC machining program is adopted to enable the machine tool to carry out vertical plunge milling work under the condition that the main shaft does not rotate, then the planer tool is clamped on the main shaft to realize keyway machining, the precision of the keyway can be adjusted through parameters of cutting speed, cutting amount and feeding amount in the machining process, and the machining in multiple steps is realized through automatic tool changing, so that less turnover of products is realized, the efficiency is improved, the precision is improved, the qualification rate is improved, the process flow is reduced to 2 steps from 3 original steps, and the production benefit is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the tooling plate of the present invention;
FIG. 2 is a schematic view of a special cutter according to the present invention;
FIG. 3 is a schematic diagram of the structure of the special cutter size of the present invention;
FIG. 4 is a schematic diagram comparing the prior art process flow and the process flow of the present invention.
Reference numerals
1-product; 2-tooling a plate; 3-a cylinder; 4-specially-made cutters; 401-straight end; 402-a processing end; 5-positioning a groove; 501-mounting a bulge; 6-connecting plates; 7-a hold down bar; 8-a compression ring.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the embodiment provides a small inner hole keyway processing technology, which is characterized in that: the method comprises the following steps:
s01: installing the product 1 on a special tooling plate 2;
s02: clamping the product 1 by using the air cylinder 3;
s03: setting a machining program, and performing vertical plunge milling on a machine tool under the condition that a main shaft does not rotate;
s04: and then clamping the special cutter 4 on the main shaft, and carrying out keyway processing on the product.
The tool 4 is mounted on the CNC machining machine by means of a tool holder.
The other side of the product (i.e., the contact surface of the product with the positioning groove) is initially processed before step S01, so that the product can be quickly and smoothly placed on the positioning groove.
The step S03 of adding the engineering sequence includes the following steps:
a: spindle speed, using M19 orientation, unable to rotate;
b: the initial position of the depth of the processing groove is set to be #1 when the depth is minus 2.8 mm;
c: setting the depth of a processing groove: 1.3mm set to # 2;
d: setting the cutting amount: the feed amount of 0.1mm per time is set to be # 3;
e: the condition return program is set for calculating the machined groove depth: if the number #1 plus the number #3 is less than or equal to the number # 2, returning to the starting position for continuous machining, and the like, and completing the machining of the inner hole key groove after the groove depth reaches the programmed number # 2 depth.
The special cutter 4 comprises a linear end 401 and a processing end 402, the length of the linear end 401 is 19mm, the width of the linear end 401 is 8mm, the height of the linear end 401 is 8mm, the length of the processing end 402 is 4mm, the processing end 402 and the linear end 401 are obliquely arranged at a certain angle, the horizontal included angle between the processing end 402 on one side and the linear end 401 is 30 degrees, and the horizontal included angle between the processing end 402 on the opposite side and the linear end 401 is 91.5 degrees.
This embodiment still discloses a small-size hole keyway processing frock, including frock board 2, the symmetry is equipped with two sets of constant head tanks 5 that are used for installing product 1 at least on frock board 2, the both ends of constant head tank 5 are equipped with the clamping device who is used for pressing from both sides tight product 1, constant head tank 5 with clamping device is the clearance distribution.
Be equipped with a plurality of protruding 501 of installation with product looks adaptation on the constant head tank 5, be equipped with the protruding 501 of installation on the constant head tank 5, convenient and the mounting hole cooperation location on the product 1 to accomplish the location of product 1 fast and press from both sides tightly, be convenient for follow-up processing product 1.
Clamping device is equipped with three groups at least, clamping device includes cylinder 3, the output of cylinder 3 is equipped with connecting plate 6, is close to the one end of product 1, connecting plate 6 below is equipped with compressing tightly pole 7, compressing tightly the end of pole 7 is equipped with compresses tightly ring 8.
In this embodiment, through be equipped with at least two sets of constant head tanks 5 and at least three groups of clamping device rather than the clearance setting on frock board 2 to accomplish the machining process of two sets of products 1 at least on a frock board 2, improve machining efficiency.
Note that the hatched portion in fig. 4 is a processed portion.
The process flow is reduced from 3 original procedures to 2 procedures, and the generated benefits are as follows: compared with the prior art, the invention reduces the investment of equipment, professional technicians and development cost by 10 ten thousand yuan. The production process is reduced, the turnover of the process is reduced, the yield is increased, the production tact is approximately equal to 3.5 minutes per piece in the past, the production tact of the technology is approximately equal to 3 minutes per piece, the production tact is calculated by 3000 pieces per month, the working hours are saved by 1500 minutes per month, the cost is saved by approximately equal to 20000 per year, and the yield is increased by approximately equal to 14%.
The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A small inner hole key groove machining process is characterized in that: the method comprises the following steps:
s01: installing the product (1) on a special tooling plate (2);
s02: clamping the product (1) by using an air cylinder (3);
s03: setting a machining program, and performing vertical plunge milling on a machine tool under the condition that a main shaft does not rotate;
s04: and then clamping the special cutter (4) on the main shaft, and carrying out keyway processing on the product (1).
2. The small inner hole keyway processing technology as claimed in claim 1, characterized in that: the step S03 of adding the engineering sequence includes the following steps:
a: spindle speed, using M19 orientation, unable to rotate;
b: the initial position of the depth of the processing groove is set to be #1 when the depth is minus 2.8 mm;
c: setting the depth of a processing groove: 1.3mm set to # 2;
d: setting the cutting amount: the feed amount of 0.1mm per time is set to be # 3;
e: the condition return program is set for calculating the machined groove depth: if the number #1 plus the number #3 is less than or equal to the number #2, returning to the starting position for continuous machining, and the like, and completing the machining of the inner hole key groove after the groove depth reaches the programmed number #2 depth.
3. The small inner hole keyway processing technology as claimed in claim 1, characterized in that: the special cutter (4) comprises a straight line end (401) and a machining end (402), the length of the straight line end (401) is 19mm, the width of the straight line end (401) is 8mm, the height of the straight line end (401) is 8mm, the length of the machining end (402) is 4mm, and the machining end (402) and the straight line end (401) are obliquely arranged at a certain angle.
4. The utility model provides a small-size hole keyway processing frock, includes the frock board, its characterized in that: the symmetry is equipped with two sets of constant head tank (5) that are used for installing product (1) at least on frock board (2), the both ends of constant head tank (5) are equipped with the clamping device who is used for pressing from both sides tight product (1), constant head tank (5) with clamping device is the clearance distribution.
5. The small inner hole keyway machining tool according to claim 4, characterized in that: and a plurality of mounting bulges (501) matched with the product (1) are arranged on the positioning groove (5).
6. The small inner hole keyway machining tool according to claim 4, characterized in that: clamping device is equipped with three groups at least, clamping device includes cylinder (3), the output of cylinder (3) is equipped with connecting plate (6), is close to the one end of product (1), the connecting plate below is equipped with compressing tightly pole (7), the end that compresses tightly pole (7) is equipped with compresses tightly ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011618282.3A CN112589483A (en) | 2020-12-31 | 2020-12-31 | Small inner hole key groove machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011618282.3A CN112589483A (en) | 2020-12-31 | 2020-12-31 | Small inner hole key groove machining process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112589483A true CN112589483A (en) | 2021-04-02 |
Family
ID=75206319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011618282.3A Pending CN112589483A (en) | 2020-12-31 | 2020-12-31 | Small inner hole key groove machining process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112589483A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110163488A1 (en) * | 2010-01-05 | 2011-07-07 | Jtekt Corporation | Machine tool |
| CN203003537U (en) * | 2012-12-28 | 2013-06-19 | 宁波圣龙浦洛西凸轮轴有限公司 | Cam shaft keyseat clamp |
| US20150239099A1 (en) * | 2014-02-27 | 2015-08-27 | Toyota Motor Engineering & Manufacturing North America, Inc. | Adjustable Key Block Assemblies and Associated Methods of Adjusting Extra Large Workpieces |
| CN204621625U (en) * | 2015-02-10 | 2015-09-09 | 深圳市立德宝电器有限公司 | High-efficiency interchangeable clamping device for CNC machining center |
| CN106217093A (en) * | 2016-08-30 | 2016-12-14 | 张剑光 | A quick-change board fixture |
| CN106493394A (en) * | 2015-09-06 | 2017-03-15 | 王爱民 | A kind of cutter and the method for applying this tool sharpening straight-line groove |
| CN207840779U (en) * | 2018-01-24 | 2018-09-11 | 曲阜金皇活塞股份有限公司 | A kind of shift actuator holder processing tool |
| CN208132508U (en) * | 2018-05-11 | 2018-11-23 | 东江精创注塑（深圳）有限公司 | A kind of CNC fixture of precise positioning processing |
| CN208628968U (en) * | 2018-08-24 | 2019-03-22 | 安徽上昱大精密机械有限公司 | A kind of numerically-controlled machine tool clamping device for frame inwall processing |
| CN109746629A (en) * | 2019-03-27 | 2019-05-14 | 山东鸿源新材料有限公司 | Utilize the method for vertical machining centre processing inner hole key slot |
| CN210909020U (en) * | 2019-08-27 | 2020-07-03 | 济南中船设备有限公司 | Bolt chamfering processing jig for machining center |
-
2020
- 2020-12-31 CN CN202011618282.3A patent/CN112589483A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110163488A1 (en) * | 2010-01-05 | 2011-07-07 | Jtekt Corporation | Machine tool |
| CN203003537U (en) * | 2012-12-28 | 2013-06-19 | 宁波圣龙浦洛西凸轮轴有限公司 | Cam shaft keyseat clamp |
| US20150239099A1 (en) * | 2014-02-27 | 2015-08-27 | Toyota Motor Engineering & Manufacturing North America, Inc. | Adjustable Key Block Assemblies and Associated Methods of Adjusting Extra Large Workpieces |
| CN204621625U (en) * | 2015-02-10 | 2015-09-09 | 深圳市立德宝电器有限公司 | High-efficiency interchangeable clamping device for CNC machining center |
| CN106493394A (en) * | 2015-09-06 | 2017-03-15 | 王爱民 | A kind of cutter and the method for applying this tool sharpening straight-line groove |
| CN106217093A (en) * | 2016-08-30 | 2016-12-14 | 张剑光 | A quick-change board fixture |
| CN207840779U (en) * | 2018-01-24 | 2018-09-11 | 曲阜金皇活塞股份有限公司 | A kind of shift actuator holder processing tool |
| CN208132508U (en) * | 2018-05-11 | 2018-11-23 | 东江精创注塑（深圳）有限公司 | A kind of CNC fixture of precise positioning processing |
| CN208628968U (en) * | 2018-08-24 | 2019-03-22 | 安徽上昱大精密机械有限公司 | A kind of numerically-controlled machine tool clamping device for frame inwall processing |
| CN109746629A (en) * | 2019-03-27 | 2019-05-14 | 山东鸿源新材料有限公司 | Utilize the method for vertical machining centre processing inner hole key slot |
| CN210909020U (en) * | 2019-08-27 | 2020-07-03 | 济南中船设备有限公司 | Bolt chamfering processing jig for machining center |
Non-Patent Citations (3)
| Title |
|---|
| 京玉海，董永武: "《机械制造基础 第2版》", 31 August 2018, 重庆：重庆大学出版社 * |
| 王瑞，吴刚: "《数控加工编程实训》", 30 June 2017, 长春：吉林大学出版社 * |
| 贺琼义: "《CAD/CAM软件多轴数控编程》", 31 July 2012, 北京：国防工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203863397U (en) | Clamp for efficient machining of inclined plane | |
| CN205650880U (en) | Modular face milling cutter dish | |
| CN209793118U (en) | High-rigidity core-walking type numerical control lathe | |
| CN105312645A (en) | Method for machining thin web titanium alloy edge strip | |
| CN209288784U (en) | A kind of shaft end bevel milling tooling | |
| CN112589483A (en) | Small inner hole key groove machining process | |
| CN215698029U (en) | Cutter clamping device | |
| CN107671510A (en) | The processing method of glass reinforced plastic elbow die | |
| CN215199679U (en) | Machining tool for lathe | |
| CN215033671U (en) | Multifunctional tool rest for vertical lathe | |
| CN110434360B (en) | Non-standard three-cutter-head cutter handle structure for machining aluminum shell and base | |
| CN213053721U (en) | Blade and blade root clamping tool for milling machine | |
| CN210790030U (en) | Mould of numerical control lathe finish machining thin disc class work piece | |
| CN213380320U (en) | Novel tool rest structure for numerical control machine tool | |
| CN213795376U (en) | Clamping mechanism for machining molded surface | |
| CN213672900U (en) | Positioning surface tool plate for claw-pole finish forging die blank processing tool | |
| CN218461503U (en) | Cutter structure for processing stepped outer circle surface of shell | |
| CN209849903U (en) | Turning tool row for machining radial groove of low-pressure rotor | |
| CN223789967U (en) | Industrial robot joint horizontal machining tool | |
| CN104625175A (en) | Processing method for glass fibre reinforced plastic bend mould | |
| CN215280025U (en) | Split type guide rail slide block tool clamp | |
| CN208600734U (en) | A kind of knife bar using obtuse angle blade | |
| CN215699970U (en) | Antenna side plate processing device | |
| CN213672980U (en) | Right-angle positioning plate for claw-pole finish forging die blank machining tool | |
| CN216151129U (en) | Combined guide bar reverse boring cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210402 |