CN114290188A - Numerical control equipment and slotting method - Google Patents

Numerical control equipment and slotting method Download PDF

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Publication number
CN114290188A
CN114290188A CN202111470722.XA CN202111470722A CN114290188A CN 114290188 A CN114290188 A CN 114290188A CN 202111470722 A CN202111470722 A CN 202111470722A CN 114290188 A CN114290188 A CN 114290188A
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CN
China
Prior art keywords
grinding wheel
numerical control
tailstock
blank
rough
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Pending
Application number
CN202111470722.XA
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Chinese (zh)
Inventor
蔡安旭
车必林
曾康平
周南平
赵江英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magna PT Powertrain Jiangxi Co Ltd
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Magna PT Powertrain Jiangxi Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Magna PT Powertrain Jiangxi Co Ltd filed Critical Magna PT Powertrain Jiangxi Co Ltd
Priority to CN202111470722.XA priority Critical patent/CN114290188A/en
Publication of CN114290188A publication Critical patent/CN114290188A/en
Pending legal-status Critical Current

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Abstract

The invention provides a numerical control device and a slotting method, which are used for grinding and slotting a rough grinding wheel blank, wherein the numerical control device comprises a numerical control lathe, a turret, a main shaft, a tailstock, a chuck and a non-standard cutter, wherein one end of the chuck is connected with a grinding wheel mandrel, the rough grinding wheel blank is sleeved on the grinding wheel mandrel, the rough grinding wheel blank is fastened on the grinding wheel mandrel through a gland, and the tailstock center of the tailstock can be abutted against one end of the grinding wheel mandrel. According to the numerical control equipment provided by the invention, the nonstandard cutter is controlled by the program of the numerical control lathe to grind and groove the rough blank of the grinding wheel, the numerical control equipment is different from the prior art, the grinding wheel is ground by using the dry cutting mode, the requirement on high precision of the grinding wheel is ensured, the processing cost is relatively low, the numerical control equipment is more environment-friendly, and meanwhile, the lathe is used for processing the rough blank of the grinding wheel, and the processing efficiency can be improved.

Description

Numerical control equipment and slotting method
Technical Field
The invention relates to the field of machining, in particular to numerical control equipment and a grooving method.
Background
In recent years, the requirements of the automobile transmission industry for NVH (Noise-Noise, Vibration-Harshness and Harshness-Noise Vibration roughness) are higher and higher, and the NVH abnormity is mainly caused from the aspects of gear meshing and the like, so that the gear precision is required to be higher and higher. In order to meet the requirement of high precision, the gear needs to be subjected to gear grinding, the gear grinding is usually performed by a generating method gear grinding process, and a multi-head worm grinding wheel is used for gear generating.
At present, a multi-head worm grinding wheel generally adopts a special grinding machine for grinding and grooving, the specific grinding process is to utilize a grooved diamond roller to rotate and spray grinding oil to remove redundant materials of the grinding wheel, although the processing precision of the process is high, the processing efficiency is low and the processing cost is high because the grinding machine is adopted for processing, and meanwhile, the wet processing mode also has the problem of environmental pollution.
Disclosure of Invention
Based on the above, the invention aims to provide a numerical control device and a grooving method, so as to solve the problems of low machining efficiency, high machining cost and poor environmental protection in the prior art when a grinding wheel is machined.
The numerical control equipment is used for grinding and grooving of a rough grinding wheel blank, and comprises a numerical control lathe, a turret, a main shaft and a tailstock, wherein the turret, the main shaft and the tailstock are arranged on the numerical control lathe.
The invention has the beneficial effects that: the grinding wheel rough blank is sleeved outside the grinding wheel mandrel, the grinding wheel rough blank is fixed on the grinding wheel mandrel through the gland, then the tailstock center of the tailstock is abutted to the grinding wheel mandrel, the jumping requirement of the grinding wheel is guaranteed, then the nonstandard cutter is controlled through a machining program of the numerical control lathe to grind and groove the grinding wheel rough blank, the grinding wheel rough blank is different from the prior art, the grinding wheel is ground by the dry cutting mode, the requirement for high grinding wheel precision is guaranteed, the machining cost is relatively low, the machining process is more environment-friendly, the grinding wheel rough blank is machined by the lathe, and the machining efficiency can be improved.
Preferably, the grinding wheel spindle is fixedly connected with the chuck through a clamping jaw.
Preferably, the numerical control equipment further comprises a numerical control panel installed on the numerical control lathe, the numerical control panel is electrically connected with an external power supply, and the numerical control panel is used for inputting a control program to control the non-standard cutter to grind and open the groove on the rough blank of the grinding wheel.
Preferably, the gland is fixedly connected with the grinding wheel mandrel through a bolt structure.
Preferably, the numerical control equipment further comprises a gravity dust removal device, a dust suction pipeline is installed on the gravity dust removal device, a through hole is formed in the side wall of the numerical control lathe, and one end of the dust suction pipeline penetrates through the through hole to be close to one side of the turret.
Preferably, the outer side wall of the grinding wheel mandrel is sleeved with a positioning ring, the positioning ring and the grinding wheel mandrel are arranged integrally, one end of the grinding wheel rough blank is abutted to the positioning ring, and the other end of the grinding wheel rough blank is abutted to the gland.
Preferably, the center of one end of the grinding wheel mandrel is provided with a plug-in groove, the center of the gland is provided with a bearing groove, the plug-in groove is communicated with the bearing groove, and a tailstock tip of the tailstock penetrates through the bearing groove to be plugged in the plug-in groove.
The invention also provides a slotting method of the numerical control equipment, and the numerical control equipment comprises the following steps:
fixing the grinding wheel spindle and the chuck through a clamping jaw;
sleeving a grinding wheel rough blank on the grinding wheel spindle, and fixing the grinding wheel rough blank on the grinding wheel spindle through a gland;
sliding the tailstock to enable a tailstock center of the tailstock to be abutted against the grinding wheel core shaft;
and electrifying the control panel, and controlling the main shaft to rotate and the tool turret to move through the control panel so that the nonstandard tool arranged on the tool turret can grind and groove the rough blank of the grinding wheel.
Preferably, the non-standard cutter is made of PCD materials.
Preferably, after the control panel is powered on, the gravity dust collection device is started to absorb dust generated during grinding and grooving of the rough blank of the grinding wheel.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic overall structure diagram of a numerical control apparatus according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a grinding wheel spindle according to a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a non-standard cutting tool according to a first embodiment of the present invention;
fig. 4 is a flowchart of a slotting method of a numerical control device according to a second embodiment of the invention.
Description of the main element symbols:
numerical control lathe 10 Gland 50
Knife tower 11 Jack catch 60
Main shaft 12 Numerical control panel 70
Tailstock 13 Positioning ring 31
Nonstandard cutter 20 Gravity dust removing device 80
Grinding wheel core shaft 30 Plug-in groove 32
Grinding wheel rough blank 40 Receiving groove 51
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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 in the description of the invention herein 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 to 3, the numerical control apparatus according to the first embodiment of the present invention for grinding and grooving a rough grinding wheel 40 includes a numerically controlled lathe 10, a turret 11 mounted on the numerically controlled lathe 10, a spindle 12 and a tailstock 13, and a chuck and a non-standard tool 20.
Wherein: the turret 11 is slidably connected with the numerically controlled lathe 10, the turret 11 can reciprocate along a vertical direction, the spindle 12 is rotatably connected with the numerically controlled lathe 10, the tailstock 13 is slidably connected with the numerically controlled lathe 10, the tailstock 13 can move towards the spindle 12, central axes of the spindle 12 and the tailstock 13 are collinear, the turret 11 is located between the spindle 12 and the tailstock 13 and located on one side of the spindle 12, a chuck is mounted on one end of the spindle 12, the non-standard tool 20 is mounted on the turret 11 and fixed with the turret 11 in a welding manner, the non-standard tool 20 is used for grinding and grooving the rough grinding wheel blank 40, one end of the chuck is connected with the grinding wheel spindle 30, the central axis of the grinding wheel spindle 30 and the central axis of the spindle 12 are collinear, the rough grinding wheel blank 40 is sleeved on the grinding wheel spindle 30, the rough grinding wheel blank 40 is fixed with the grinding wheel spindle 30 through a gland 50, so that the non-standard tool 20 can groove the rough grinding wheel blank 40 under the control of a program, in order to satisfy the run-out accuracy of the wheel spindle 30 blank, the tailstock 13 is slid so that a tailstock center of the tailstock 13 abuts on one end of the wheel spindle 30.
It can be understood that since the maximum outer diameter of the worm grinding wheel to be machined is 280mm, the inner hole is 160mm, and the length is 160mm at most, the numerically controlled lathe 10 is required to have the function of machining 280mm at the maximum diameter and the tailstock 13, so that the modern-giya SKT28 numerically controlled lathe 10 is selected, and meanwhile, in order to be capable of adapting to the numerically controlled lathe 10, the chuck needs to be capable of clamping 160mm outer diameter, bearing 50kg at the minimum weight and having self-centering accuracy within 0.01 mm.
In this embodiment, the grinding wheel spindle 30 is fixedly connected to the chuck through the jaws 60, the numerical control device further includes a numerical control panel 70 installed on the numerical control lathe 10, the numerical control panel 70 is electrically connected to an external power source, after the numerical control panel 70 is powered on, a control program can be input into the numerical control panel 70, and the numerical control panel 70 is controlled to control the rotation of the spindle 12 and the movement of the turret 11 to open the groove on the grinding wheel rough blank 40.
In the present embodiment, it should be noted that the gland 50 is fixedly connected to the grinding wheel spindle 30 by a bolt structure. The cover is equipped with location ring 31 on the lateral wall of emery wheel dabber 30, and location ring 31 is as an organic whole with emery wheel dabber 30, and emery wheel rough blank 40 is located gland 50 and location ring 31 between the two, and the one end and the location ring 31 butt of emery wheel rough blank 40, and the other end and gland 50 butt to this is fixed in emery wheel dabber 30 with emery wheel rough blank 40, makes emery wheel rough blank 40 can rotate along with the rotation of main shaft 12.
In this embodiment, in order to avoid destroying the dynamic balance of the smooth grinding wheel leaving the factory, therefore, in this embodiment, the rough grinding wheel blank 40 is processed in a dry cutting manner, and this manner may cause that there is large dust in the inside of the numerical control lathe 10, in order to absorb the dust, the numerical control apparatus further includes a gravity dust removal device 80, a dust suction pipeline is installed on the gravity dust removal device 80, a through hole is opened on the side wall of the numerical control lathe 10, the through hole is communicated with the inside of the numerical control lathe 10, one end of the dust suction pipeline passes through the through hole to be able to be close to one side of the turret 11, so as to absorb dust or other small particulate matters generated when the rough grinding wheel blank 40 is processed.
In the present embodiment, the center of one end of the grinding wheel arbor 30 is provided with the inserting groove 32, it can be understood that the center of the pressing cover 50 is provided with the receiving groove 51, the inserting groove 32 is communicated with the receiving groove 51, and the tailstock center of the tailstock 13 passes through the receiving groove 51 and is inserted into the inserting groove 32, wherein the tailstock center is in a circular truncated cone shape, the inner cavity of the inserting groove 32 is in a cylindrical shape, and when part of the tailstock center is located in the inserting groove 32, the side wall of the tailstock center abuts against the side wall of the inserting groove 32.
In this embodiment, it should be noted that the non-standard tool 20 is made of PCD material suitable for machining corundum-type grinding wheels.
In specific implementation, a chuck mounted on the numerically controlled lathe 10 is connected with the grinding wheel spindle 30 through the clamping jaws 60, the grinding wheel rough blank 40 is sleeved outside the grinding wheel spindle 30, the grinding wheel rough blank 40 is fixed on the grinding wheel spindle 30 through the gland 50, then a tailstock center of the tailstock 13 is abutted against the grinding wheel spindle 30 to ensure the jumping requirement of the grinding wheel spindle 30, a processing program is input to the numerically controlled panel 70, and then the numerically controlled panel 70 is controlled to control the movement of the turret 11 and the rotation of the spindle 12, so that the non-standard cutter 20 grinds and slots the grinding wheel rough blank 40.
It should be noted that the implementation process described above is only for illustrating the applicability of the present application, but this does not represent that the numerical control apparatus of the present application has only the above-mentioned one implementation flow, and on the contrary, the numerical control apparatus of the present application can be incorporated into the feasible embodiments of the present application as long as the numerical control apparatus of the present application can be implemented.
The second embodiment of the present invention further provides a slotting method for a numerical control device, which adopts the numerical control device, as shown in fig. 4, and includes the following steps:
step S101, fixing the grinding wheel mandrel 30 and a chuck through a clamping jaw 60;
step S102, sleeving a grinding wheel rough blank 40 on the grinding wheel spindle 30, and fixing the grinding wheel rough blank 40 on the grinding wheel spindle 30 through a gland 50;
step S103, sliding the tailstock 13 to make the tailstock center of the tailstock 13 abut against the grinding wheel spindle 30;
and step S104, electrifying the control panel, controlling the spindle 12 to rotate and the turret 11 to move through the control panel 70, so that the nonstandard tool 20 mounted on the turret 11 grinds and grooves the rough grinding wheel blank 40.
In the present embodiment, the blade length, the blade angle, and the blade tip width of the non-standard tool 20 are determined according to the screw depth, the screw pressure angle, and the tooth bottom width of the grinding wheel blank to be machined, respectively, so as to design the desired non-standard tool 20.
In the present embodiment, the non-standard cutter 20 is made of PCD material.
In this embodiment, a control program and a specific position of the non-standard tool 20 are input into the control panel, and the control program controls the rotation of the spindle 12 and the movement of the turret 11, so that the non-standard tool 20 opens a groove type of a grinding wheel worm on the rough grinding wheel blank 40, and it can be understood that the control program is programmed by pre-grooving parameters of the grinding wheel worm.
In this embodiment, after the control panel is powered on, the gravity dust collection device is started to collect dust generated during grinding and grooving of the rough blank of the grinding wheel, and the gravity dust collection device is connected with the numerical control equipment through a dust collection pipeline.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The numerical control equipment is used for grinding and grooving of a rough grinding wheel blank, and comprises a numerical control lathe, a turret, a main shaft and a tailstock, wherein the turret, the main shaft and the tailstock are arranged on the numerical control lathe.
2. The numerical control apparatus according to claim 1, wherein the grinding wheel spindle is fixedly connected to the chuck by jaws.
3. The numerical control device according to claim 1, further comprising a numerical control panel mounted on the numerical control lathe, wherein the numerical control panel is electrically connected with an external power supply, and the numerical control panel is used for inputting a control program to control the non-standard tool to grind and notch the rough grinding wheel blank.
4. The numerical control device according to claim 1, wherein the gland is fixedly connected with the grinding wheel spindle through a bolt structure.
5. The numerical control equipment according to claim 1, further comprising a gravity dust removal device, wherein a dust suction pipeline is mounted on the gravity dust removal device, a through hole is formed in a side wall of the numerical control lathe, and one end of the dust suction pipeline penetrates through the through hole to be close to one side of the turret.
6. The numerical control device according to claim 1, wherein a positioning ring is sleeved on an outer side wall of the grinding wheel spindle, the positioning ring and the grinding wheel spindle are integrally arranged, one end of the grinding wheel rough blank is abutted against the positioning ring, and the other end of the grinding wheel rough blank is abutted against the gland.
7. The numerical control device according to claim 1, wherein a plug-in groove is formed in a center of one end of the grinding wheel spindle, a receiving groove is formed in a center of the pressing cover, the plug-in groove and the receiving groove are communicated, and a tailstock center of the tailstock penetrates through the receiving groove to be plugged in the plug-in groove.
8. A grooving method for numerical control equipment, characterized in that the numerical control equipment of any one of claims 1 to 7 is used, comprising the steps of:
fixing the grinding wheel spindle and the chuck through a clamping jaw;
sleeving a grinding wheel rough blank on the grinding wheel spindle, and fixing the grinding wheel rough blank on the grinding wheel spindle through a gland;
sliding the tailstock to enable a tailstock center of the tailstock to be abutted against the grinding wheel core shaft;
and electrifying the control panel, and controlling the main shaft to rotate and the tool turret to move through the control panel so that the nonstandard tool arranged on the tool turret can grind and groove the rough blank of the grinding wheel.
9. The grooving method for a numerical control apparatus according to claim 8, wherein the non-standard tool is made of PCD material.
10. The grooving method for the numerical control equipment according to claim 8, wherein after the control panel is powered on, a gravity dust suction device is started to suck dust generated when the grinding wheel rough blank is subjected to grooving.
CN202111470722.XA 2021-12-03 2021-12-03 Numerical control equipment and slotting method Pending CN114290188A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111470722.XA CN114290188A (en) 2021-12-03 2021-12-03 Numerical control equipment and slotting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111470722.XA CN114290188A (en) 2021-12-03 2021-12-03 Numerical control equipment and slotting method

Publications (1)

Publication Number Publication Date
CN114290188A true CN114290188A (en) 2022-04-08

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CN202111470722.XA Pending CN114290188A (en) 2021-12-03 2021-12-03 Numerical control equipment and slotting method

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204382064U (en) * 2014-12-26 2015-06-10 襄阳一福坦铁路轴承有限公司 Grinder wheel static balance adjusting device
CN207139568U (en) * 2017-08-09 2018-03-27 荆州环球汽车零部件制造有限公司 A kind of emery wheel fixing device and crushing platform
CN209035460U (en) * 2018-10-22 2019-06-28 福州长鑫电动工具有限公司 A kind of numerically controlled automatic special purpose lathe
CN210046097U (en) * 2019-04-17 2020-02-11 成都世纪阳光密封件有限公司 Slotting device for production of automobile parts
CN210335347U (en) * 2019-05-21 2020-04-17 山西智广峰科技有限公司 Precision type numerical control lathe
CN210702584U (en) * 2019-10-21 2020-06-09 丹东铧瑞流体机械制造有限公司 Precise numerical control lathe
CN213164879U (en) * 2020-07-03 2021-05-11 郑州伯利森新材料科技有限公司 Ceramic superhard grinding wheel dressing device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204382064U (en) * 2014-12-26 2015-06-10 襄阳一福坦铁路轴承有限公司 Grinder wheel static balance adjusting device
CN207139568U (en) * 2017-08-09 2018-03-27 荆州环球汽车零部件制造有限公司 A kind of emery wheel fixing device and crushing platform
CN209035460U (en) * 2018-10-22 2019-06-28 福州长鑫电动工具有限公司 A kind of numerically controlled automatic special purpose lathe
CN210046097U (en) * 2019-04-17 2020-02-11 成都世纪阳光密封件有限公司 Slotting device for production of automobile parts
CN210335347U (en) * 2019-05-21 2020-04-17 山西智广峰科技有限公司 Precision type numerical control lathe
CN210702584U (en) * 2019-10-21 2020-06-09 丹东铧瑞流体机械制造有限公司 Precise numerical control lathe
CN213164879U (en) * 2020-07-03 2021-05-11 郑州伯利森新材料科技有限公司 Ceramic superhard grinding wheel dressing device

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Application publication date: 20220408