CN100391673C - Bolt groove burr-free processing method and device - Google Patents
Bolt groove burr-free processing method and device Download PDFInfo
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- CN100391673C CN100391673C CNB2006100920610A CN200610092061A CN100391673C CN 100391673 C CN100391673 C CN 100391673C CN B2006100920610 A CNB2006100920610 A CN B2006100920610A CN 200610092061 A CN200610092061 A CN 200610092061A CN 100391673 C CN100391673 C CN 100391673C
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Abstract
The present invention relates to a burr-free processing method of transverse grooves of screws and a device thereof, which belongs to the technical field grooving of screw heads. A workpiece is evenly clamped on the circumference of a rotary clamping head disk along the circular rotary clamping head disk, the workpiece is driven by the rotary clamping head disk to pass through an upper milling cutter and a lower milling cutter for processing, a transverse groove is pre-milled at the end of the workpiece by the upper milling cutter, the transverse groove at the end of the workpiece is milled by the lower milling cutter in the direction which is opposite to the processing direction of the upper milling cutter, burrs formed by the processing of the upper milling cutter is removed when the processing of the transverse groove is completed, and the workpiece is driven by the rotary clamping head disk to continuously rotate; when the workpiece moves to the milling groove end and is in a downward state, the workpiece falls because of the gravity, and milling groove processing is completed. The productive efficiency of the method of the present invention is high, burrs generated in the milling process can be conveniently removed, and the problems of low productive efficiency, difficult burr removal, etc. of the prior art are solved.
Description
Technical field
The present invention relates to a kind of bolt groove burr-free processing method and device thereof, belong to the technical field of screw head fluting.
Background technology
In the prior art processing screw end or when being similar to the in-line groove of other workpiece end of screw adopt more single milling cutter is processed, earlier mill out the in-line groove and produced burr, again by miscellaneous equipment or the manual burr of removing the in-line groove in the milling cutter exit in workpiece end.As the screw flat recess milling machine (patent No.: CN93243554.8), it comprises motor, belt pulley, change-speed gearing, driving shaft and frame, automatic feeding funnel is arranged, the oblique chute parallel with automatic feeding funnel, the automatic clamping disk of screw with the low end face quadrature of oblique chute contacts reaches milling cutter and assembly thereof with the automatic clamping disk tangential of screw.When above-mentioned milling machine is processed flat recess, exist production efficiency lower, burr is difficult to problems such as removal.
Summary of the invention
Main purpose of the present invention is to provide a kind of production efficiency higher, can remove a kind of bolt groove burr-free processing method and the device thereof that mills the burr that produces in the process simultaneously easily, it is lower to have solved existing in prior technology production efficiency, and burr is difficult to problems such as removal.
Above-mentioned technical purpose of the present invention solves by the following technical programs, and a kind of bolt groove burr-free processing method comprises the steps:
1., circular rotating clamp cephalic disc circumference other be provided with that synchronous backward rotates and blade at grade on milling cutter and following milling cutter, make that the blade of going up milling cutter and following milling cutter can be partly crossing with workpiece end;
2., workpiece is clamped on the circumference of rotating clamp cephalic disc evenly distributedly along described circular rotating clamp cephalic disc, each workpiece is provided with along the rotary chuck disc radial, makes workpiece need the head of groove milling to be exposed to the circumference of rotating clamp cephalic disc;
3., the workpiece that is clamped on the rotating clamp cephalic disc is passing through milling cutter and the processing of following milling cutter successively under the driving of rotating clamp cephalic disc, last milling cutter mills half in-line groove in advance in workpiece end, after back out, following milling cutter is with half the in-line groove in contrast to the machine direction processing work end remainder of last milling cutter, removes when finishing the rotation of in-line groove that milling cutter adds man-hour and the burr that forms;
4., the workpiece that machines is rotated further under the rotation of rotating clamp cephalic disc drives, when workpiece turn to the groove milling dish vertically downward the time under the gravity effect workpiece blanking finish groove milling processing.
Milling cutter and the following milling cutter flat recess of processing work end in opposite direction successively in the employing, last milling cutter mills out flat recess in advance in workpiece end earlier, following milling cutter is processed the flat recess of preprocessing in contrast to the machine direction of last milling cutter, when finishing flat recess processing, remove milling cutter and processed formed burr, thereby get final product the disposable processing of finishing flat recess by an equipment, improved the working (machining) efficiency of flat recess greatly, remove the burr that is processed to form easily, improved the uniformity of product quality.
As preferably, radial distance relative fixed between described milling cutter down and rotating clamp cephalic disc is provided with, the described milling cutter of going up has the trend that elasticity departs from rotating clamp cephalic disc circumference under the effect of ejection spring body, to go up the circumference that milling cutter is pressed to the rotating clamp cephalic disc when synchronous cam revolution is crossed a piece-holder position, and make milling cutter and workpiece end part tangent; Go up milling cutter during corresponding to the neutral gear between the clamping position on the rotating clamp cephalic disc when last milling cutter and under the effect of ejection spring body, leave the rotating clamp cephalic disc, leave after making milling cutter mill the flat recess of workpiece.When workpiece end during corresponding to last milling cutter, last milling cutter is pressed towards workpiece end and mills out the in-line groove in advance in workpiece end, when workpiece leaves milling cutter, last milling cutter by bullet from the rotating clamp cephalic disc; When workpiece forwarded down the milling cutter position to, the following milling cutter machine direction that up milling cutter is opposite was processed the in-line groove, thereby finished the processing of milling of in-line groove, and removed the burr that produces in the process simultaneously.
As preferably, minimum radial distance between described upward milling cutter and rotating clamp cephalic disc is set to equate with the radial distance between following milling cutter and rotating clamp cephalic disc, the direction of rotation of described upward milling cutter is identical with the direction of rotation of rotating clamp cephalic disc, the direction of rotation of described down milling cutter is opposite with the direction of rotating clamp cephalic disc, thereby makes workpiece can be reliably clamped between on the rotating clamp cephalic disc milling process.
The device that is used for bolt groove burr-free processing, has pedestal, be fixed on feed hopper, rotating clamp cephalic disc, delivery sheet and power source on the pedestal, delivery sheet is obliquely installed between feed hopper and rotating clamp cephalic disc, described rotating clamp cephalic disc is other to be provided with along the last milling cutter and the following milling cutter of the circle distribution of rotating clamp cephalic disc, and last milling cutter is opposite by drive power source and direction of rotation with following milling cutter.When workpiece turned to the milling cutter place under the drive of rotating clamp cephalic disc, last milling cutter milled out flat recess in advance in workpiece end earlier; When workpiece turns to the milling cutter place under the drive of rotating clamp cephalic disc, following milling cutter is processed the flat recess of preprocessing in contrast to the machine direction of last milling cutter, when finishing flat recess processing, remove milling cutter and processed formed burr, thereby get final product the disposable processing of finishing flat recess by an equipment, improved the working (machining) efficiency of flat recess greatly, remove the burr that is processed to form easily, improved the uniformity of product quality.
As preferably, the described milling cutter of going up has the trend of bullet from the rotating clamp cephalic disc, described rotating clamp cephalic disc is provided with several along the equally distributed piece-holder of rotating clamp cephalic disc circumference position, with synchronous cam that the rotating clamp cephalic disc is rotated synchronously be provided with the rotating clamp cephalic disc on the identical synchronous tooth of piece-holder bits number, described synchronous cam cooperates with the cam drive bar by the synchronous tooth on it will be gone up milling cutter and intermittently press to the rotating clamp cephalic disc.When workpiece end during corresponding to last milling cutter, last milling cutter is pressed towards workpiece end and mills out the in-line groove in advance in workpiece end, since last milling cutter when milling processing in-line groove gradually bullet from the rotating clamp cephalic disc, make that its working depth to workpiece end is more and more shallow, thereby mill formation in-line groove from depth to shallow in advance in workpiece end, when workpiece leaves milling cutter, last milling cutter by bullet from the rotating clamp cephalic disc; When workpiece forwards down the milling cutter position to, following milling cutter is the opposite machine direction of milling cutter up, begin to process the in-line groove from the shallow end of pre-groove milling, thereby finish the processing of milling of in-line groove, and remove the burr that produces in the process simultaneously at the in-line groove that workpiece end processes degree of depth unanimity.
As preferably, described cam drive bar one end and turning cylinder are fixed, the synchronous tooth overlap joint of the other end and synchronous cam; Described turning cylinder is provided with the L type interlock body that rotates synchronously with it, and an end of described L type interlock body is fixed on the turning cylinder, and the other end withstands on the carriage arbor.
As preferably, the last carriage arbor that milling cutter is set is rotatably connected on following carriage arbor, thereby can make carriage arbor can and following carriage arbor between swing, make the radial distance of going up between milling cutter and rotating clamp cephalic disc to change, following carriage arbor is slidingly arranged on the pedestal, described carriage arbor down is provided with adjustment seat, can regulate down radial distance between carriage arbor and rotating clamp cephalic disc by adjustment seat, thereby the in-line groove of millable processing different depth, the direction of rotation of described upward milling cutter is identical with the direction of rotation of rotating clamp cephalic disc, the direction of rotation of described down milling cutter is opposite with the direction of rotating clamp cephalic disc, thereby makes workpiece can be reliably clamped between on the rotating clamp cephalic disc milling process.
As preferably, the last carriage arbor of milling cutter is set and is provided with between the supporter of rotating clamp cephalic disc and be provided with ejection spring body, also can between last carriage arbor and pedestal, extension spring be set, or on the rotating shaft of last carriage arbor and following carriage arbor, torsion spring is set, thereby make that going up carriage arbor has the trend that departs from the rotating clamp cephalic disc.
As preferably, described milling cutter and the following milling cutter gone up realizes that by the synchromesh gear engaged transmission synchronous backward rotates.
As preferably, described rotary chuck disc spins is supported on the supporter, the described milling cutter of going up is arranged on the carriage arbor, described milling cutter down is provided with down on the carriage arbor, the described carriage arbor of going up is rotatably connected on following carriage arbor, following carriage arbor is slidingly arranged on the pedestal, described carriage arbor down is provided with adjustment seat, be provided with ejection spring body between described supporter and the last carriage arbor, the turning cylinder that is installed with L type interlock body is rotatably provided in down on the carriage arbor, and an end of L type interlock body is fixed on the turning cylinder, and the other end withstands on the carriage arbor, the synchronous tooth of described synchronous cam is overlapped on cam drive bar one end, and the other end and the turning cylinder of described cam drive bar are fixed.
Therefore, it is higher that the present invention has production efficiency, can remove the characteristics of milling the burr that produces in the process simultaneously easily.
Description of drawings
Fig. 1 is a kind of structural representation that the present invention does not have the burr slotter;
Fig. 2 is a kind of fundamental diagram of the present invention;
Fig. 3 is a kind of milling schematic diagram of the present invention.
The specific embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: the device that is used to process screw in-line groove, as depicted in figs. 1 and 2, pedestal 1 is set on the base 25, pedestal 1 is provided with operating desk 12, the main shaft belt wheel 6 of rotating clamp cephalic disc 3 and drive power source, operating desk 12 is provided with feed hopper 2, the reduction box 5 of delivery sheet 4 and drive power source, feed hopper 2 connects hopper 7, be provided with feeding roller 8 between reduction box 5 and the hopper 7, delivery sheet 4 is obliquely installed between hopper 7 and rotating clamp cephalic disc 3, be provided with dnockout wheel 9 between delivery sheet 4 upper ends and the hopper 7, delivery sheet 4 has electromagnetic shaker 10, the delivery sheet 4 other detectors 11 that are provided with, rotating clamp cephalic disc 3 other being provided with along the last milling cutter 13 and the following milling cutter 14 of the circle distribution of rotating clamp cephalic disc 3, following milling cutter 14 is driven by main shaft belt wheel 6, last milling cutter 13 and following milling cutter 14 are by the transmission of synchromesh gear 15 (referring to Fig. 2) engagement reverse sync, and the direction of rotation of last milling cutter is identical with the direction of rotation of rotating clamp cephalic disc, and the direction of rotation of following milling cutter is opposite with the direction of rotating clamp cephalic disc.
3 rotations of rotating clamp cephalic disc are supported on the supporter 16, last milling cutter 13 is arranged on the carriage arbor 17, following milling cutter 14 is provided with down on the carriage arbor 18, last carriage arbor 17 is rotatably connected on following carriage arbor 18, following carriage arbor 18 is slidingly arranged on the pedestal 1, following carriage arbor 18 is provided with adjustment seat 19, be provided with pushing top spring 20 between supporter 16 and the last carriage arbor 17, milling cutter has the trend of bullet from the rotating clamp cephalic disc under the effect of pushing top spring 20, the turning cylinder 22 that is installed with L type interlock body 21 is rotatably provided in down on the carriage arbor 18, one end of L type interlock body 21 is fixed on the turning cylinder 22, the other end withstands on the carriage arbor 17, rotating clamp cephalic disc 3 is provided with a circle along the equally distributed piece-holder of rotating clamp cephalic disc circumference position, with synchronous cams 23 that rotating clamp cephalic disc 3 is rotated synchronously be provided with rotating clamp cephalic disc 3 on the identical synchronous tooth of piece-holder bits number, the synchronous tooth of synchronous cam 23 is overlapped on cam drive bar 24 1 ends, the other end of cam drive bar 24 and turning cylinder 22 is fixing, and synchronous cam cooperates with the cam drive bar by the synchronous tooth on it will be gone up milling cutter and intermittently press to the rotating clamp cephalic disc.
Bolt groove burr-free processing method, as shown in Figure 3, operating procedure is as follows: adopt the embodiment 1 described device that is used to process screw in-line groove, rotating clamp cephalic disc circumference other be provided with that synchronous backward rotates and blade at grade on milling cutter and following milling cutter, make the blade and the workpiece end that go up milling cutter and following milling cutter partly intersect, with the setting of the radial distance relative fixed between milling cutter and rotating clamp cephalic disc down, last milling cutter has the trend that elasticity departs from rotating clamp cephalic disc circumference under the effect of ejection spring body, will going up milling cutter when the synchronous cam revolution is crossed a piece-holder position, to press to the circumference and the workpiece end part of rotating clamp cephalic disc tangent; Go up milling cutter during corresponding to the neutral gear between the clamping position on the rotating clamp cephalic disc when last milling cutter and under the effect of ejection spring body, depart from the rotating clamp cephalic disc, minimum radial distance between last milling cutter and rotating clamp cephalic disc is set to equate with radial distance between following milling cutter and rotating clamp cephalic disc, the direction of rotation of last milling cutter is identical with the direction of rotation of rotating clamp cephalic disc, and the direction of rotation of following milling cutter is opposite with the direction of rotating clamp cephalic disc.1., with workpiece 26 along radially being clamped in evenly distributedly on the circumference of rotating clamp cephalic disc 3 of circular rotating clamp cephalic disc 3, make workpiece 26 need the end of groove millings to be exposed to the circumference of rotating clamp cephalic disc; 2., go up milling cutter 13 and mill out flat recess from depth to shallow in advance in the end of workpiece 26, what a workpiece last milling cutter mills after by ejection spring bullet in advance from the rotating clamp cephalic disc, rotating clamp cephalic disc continuation drive is milled good workpiece in advance and is turned to down the milling cutter place, following milling cutter 14 is removed the burr that milling cutter is processed to form along the reverse milling flat recess of the opposite processing of last milling cutter when finishing the processing of in-line groove; 3., the workpiece that machines is rotated further under the rotation of rotating clamp cephalic disc drives, the workpiece blanking is finished groove milling processing under the gravity effect when workpiece groove milling end is downward.
Claims (9)
1. a bolt groove burr-free processing method is characterized in that comprising the steps:
1., at other milling cutter and the following milling cutter of being provided with of circular rotating clamp cephalic disc circumference, described go up milling cutter and following milling cutter synchronous backward rotates and blade at grade, make that the blade of going up milling cutter and following milling cutter can be partly crossing with workpiece end;
2., workpiece is clamped on the circumference of rotating clamp cephalic disc evenly distributedly along described circular rotating clamp cephalic disc, each workpiece is provided with along the rotary chuck disc radial, makes workpiece need the head of groove milling to be exposed to the circumference of rotating clamp cephalic disc;
3., the workpiece that is clamped on the rotating clamp cephalic disc is passing through milling cutter and the processing of following milling cutter successively under the driving of rotating clamp cephalic disc, last milling cutter is backed out after workpiece end mills half in-line groove in advance, following milling cutter is removed milling cutter and is added the burr that form man-hour with half the in-line groove in contrast to the machine direction processing work end remainder of last milling cutter when finishing the processing of in-line groove;
4., the workpiece that machines is rotated further under the rotation of rotating clamp cephalic disc drives, when workpiece turn to the groove milling end vertically downward the time under the gravity effect workpiece blanking finish groove milling processing.
2. bolt groove burr-free processing method according to claim 1, it is characterized in that the radial distance relative fixed setting between described milling cutter down and rotating clamp cephalic disc, the described milling cutter of going up has the trend that elasticity departs from rotating clamp cephalic disc circumference under the effect of ejection spring body, to go up the circumference that milling cutter is pressed to the rotating clamp cephalic disc when synchronous cam revolution is crossed a piece-holder position, and make milling cutter and workpiece end part tangent; Go up milling cutter during corresponding to the neutral gear between the clamping position on the rotating clamp cephalic disc when last milling cutter and under the effect of ejection spring body, leave the rotating clamp cephalic disc, leave after making milling cutter mill the flat recess of workpiece.
3. bolt groove burr-free processing method according to claim 2, it is characterized in that the described minimum radial distance that goes up between milling cutter and rotating clamp cephalic disc is set to equate with radial distance between following milling cutter and rotating clamp cephalic disc, the direction of rotation of described upward milling cutter is identical with the direction of rotation of rotating clamp cephalic disc, and the direction of rotation of described milling cutter down is opposite with the direction of rotating clamp cephalic disc.
4. device of implementing the method for claim 1, has pedestal, be fixed on feed hopper, rotating clamp cephalic disc, delivery sheet and power source on the pedestal, delivery sheet is obliquely installed between feed hopper and rotating clamp cephalic disc, it is characterized in that: described rotating clamp cephalic disc is other to be provided with along the last milling cutter and the following milling cutter of the circle distribution of rotating clamp cephalic disc, and last milling cutter is opposite by drive power source and direction of rotation with following milling cutter; The described milling cutter of going up has the trend of bullet from the rotating clamp cephalic disc, described rotating clamp cephalic disc is provided with several along the equally distributed piece-holder of rotating clamp cephalic disc circumference position, with synchronous cam that the rotating clamp cephalic disc is rotated synchronously be provided with the rotating clamp cephalic disc on the identical synchronous tooth of piece-holder bits number, described synchronous cam cooperates with the cam drive bar by the synchronous tooth on it, and last milling cutter is intermittently pressed to the rotating clamp cephalic disc.
5. device according to claim 4 is characterized in that described cam drive bar one end and turning cylinder fix, the synchronous tooth overlap joint of the other end and synchronous cam; Described turning cylinder is provided with the L type interlock body that rotates synchronously with it, and an end of described L type interlock body is fixed on the turning cylinder, and the other end withstands on the carriage arbor.
6. according to claim 4 or 5 described devices, it is characterized in that: the last carriage arbor that milling cutter is set is rotatably connected on following carriage arbor, following carriage arbor is slidingly arranged on the pedestal, described carriage arbor down is provided with adjustment seat, the direction of rotation of described upward milling cutter is identical with the direction of rotation of rotating clamp cephalic disc, and the direction of rotation of described milling cutter down is opposite with the direction of rotating clamp cephalic disc.
7. according to claim 4 or 5 described devices, it is characterized in that: the last carriage arbor of milling cutter is set and is provided with between the supporter of rotating clamp cephalic disc and be provided with ejection spring body.
8. according to claim 4 or 5 described devices, it is characterized in that the described milling cutter of going up passes through the synchromesh gear engaged transmission with following milling cutter.
9. device according to claim 4, it is characterized in that: described rotary chuck disc spins is supported on the supporter, the described milling cutter of going up is arranged on the carriage arbor, described milling cutter down is provided with down on the carriage arbor, the described carriage arbor of going up is rotatably connected on following carriage arbor, following carriage arbor is slidingly arranged on the pedestal, described carriage arbor down is provided with adjustment seat, be provided with ejection spring body between described supporter and the last carriage arbor, the turning cylinder that is installed with L type interlock body is rotatably provided in down on the carriage arbor, one end of L type interlock body is fixed on the turning cylinder, the other end withstands on the carriage arbor, the synchronous tooth of described synchronous cam is overlapped on cam drive bar one end, and the other end and the turning cylinder of described cam drive bar are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100920610A CN100391673C (en) | 2006-05-10 | 2006-06-06 | Bolt groove burr-free processing method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610050666 | 2006-05-10 | ||
| CN200610050666.3 | 2006-05-10 | ||
| CNB2006100920610A CN100391673C (en) | 2006-05-10 | 2006-06-06 | Bolt groove burr-free processing method and device |
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| CN1879997A CN1879997A (en) | 2006-12-20 |
| CN100391673C true CN100391673C (en) | 2008-06-04 |
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| CNB2006100920610A Active CN100391673C (en) | 2006-05-10 | 2006-06-06 | Bolt groove burr-free processing method and device |
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| CN101224509B (en) * | 2008-02-20 | 2010-06-09 | 罗锡锋 | Processing method of slot for bolt micro-nick without burr and device thereof |
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| CN107116272A (en) * | 2017-06-29 | 2017-09-01 | 佳兴紧固件工业（苏州）有限公司 | A kind of screw grooving apparatus and grooving method |
| CN107262791A (en) * | 2017-07-12 | 2017-10-20 | 天津市中环三峰电子有限公司 | A kind of method that red copper electrode removes flash removed |
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| GB505344A (en) * | 1938-04-02 | 1939-05-09 | Frithjof Lehre | Apparatus for providing self-locking screw nuts with incisions |
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| CN1879997A (en) | 2006-12-20 |
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Effective date of registration: 20190925 Address after: 315800 Second Floor, No. 1 Building, No. 2 Xiapu Jixia Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Beilun Ningbo Cong Feng Machinery Co., Ltd. Address before: 315800 No. 687 Kunlun Road, Ningbo District, Beilun District, Zhejiang Patentee before: Qiu Zhen Jiao |