CN204195312U - A kind of small-diameter step male thread clamp for milling end surfaces - Google Patents

A kind of small-diameter step male thread clamp for milling end surfaces Download PDF

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Publication number
CN204195312U
CN204195312U CN201420578166.7U CN201420578166U CN204195312U CN 204195312 U CN204195312 U CN 204195312U CN 201420578166 U CN201420578166 U CN 201420578166U CN 204195312 U CN204195312 U CN 204195312U
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CN
China
Prior art keywords
axis section
optical axis
clamp body
diameter
small
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Expired - Fee Related
Application number
CN201420578166.7U
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Chinese (zh)
Inventor
戴兰川
龚磊
叶运雷
刘红旗
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Lanzhou Flight Control Co Ltd
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Lanzhou Flight Control Co Ltd
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Priority to CN201420578166.7U priority Critical patent/CN204195312U/en
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Publication of CN204195312U publication Critical patent/CN204195312U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model belongs to field of machining, relates to a kind of small-diameter step male thread clamp for milling end surfaces.It is characterized in that: milling fixture is made up of clamp body (2), screw die (3), lining (4), pressing plate (5) and housing screw (6).The utility model proposes a kind of small-diameter step male thread clamp for milling end surfaces, substantially increase product percent of pass and working (machining) efficiency, reduce processing cost.

Description

A kind of small-diameter step male thread clamp for milling end surfaces
Technical field
The utility model belongs to field of machining, relates to a kind of small-diameter step male thread clamp for milling end surfaces.
Background technology
The structure of a kind of small-diameter step axle in certain type actuator is see Fig. 1, small-diameter step axle 1 is from left to right divided into 4 sections, respectively: thread segment 1a, primary optic axis section 1b, the second optical axis section 1c the 3rd optical axis section 1d, the 4th optical axis section 1e, the diameter of the 3rd optical axis section 1d is greater than the diameter of the second optical axis section 1c and the diameter of the 4th optical axis section 1e, thread segment 1a leaves allowance L2, from the end face of thread segment 1a to the distance of the second optical axis section 1c end face after processing the diameter of primary optic axis section 1b is the diameter of the second optical axis section 1c is 4th optical axis section 1e diameter is unit is mm.Add man-hour requirement allowance L2 is removed, ensure the distance L1 from the end face of thread segment 1a to the second optical axis section 1c end face.Current processing method is: utilize lining to be fixed by part, then uses scroll chuck that lining clamping is reached clamping object, utilizes milling machine to cut.Its shortcoming is: be easy to crimp occurs; Because diameter of part is less, the clamping force of scroll chuck is difficult to Clamp blocks; And lining can extrude with the screw thread of part, screw thread crimp is caused part rejection, and product percent of pass is less than 60%.And the interference work in-process of the method due to chuck in process cannot be measured in real time to workpiece, and cause working (machining) efficiency low, processing cost is high.
Summary of the invention
The purpose of this utility model is: propose a kind of small-diameter step male thread clamp for milling end surfaces, to improve product percent of pass and working (machining) efficiency, cut down finished cost.
The technical solution of the utility model is: a kind of small-diameter step male thread clamp for milling end surfaces, processed small-diameter step axle 1 is from left to right divided into 4 sections, respectively: thread segment 1a, primary optic axis section 1b, the second optical axis section 1c the 3rd optical axis section 1d, the 4th optical axis section 1e, the diameter of the 3rd optical axis section 1d is greater than the diameter of the second optical axis section 1c and the diameter of the 4th optical axis section 1e, thread segment 1a leaves allowance L2, from the end face of thread segment 1a to the distance of the second optical axis section 1c end face after processing the diameter of primary optic axis section 1b is the diameter of the second optical axis section 1c is 4th optical axis section 1e diameter is unit is mm, it is characterized in that: milling fixture is made up of clamp body 2, screw die 3, lining 4, pressing plate 5 and housing screw 6, clamp body 2 has the profile of cuboid, the upper surface of clamp body 2 has a rectangular channel 2b, the left cell wall of rectangular channel 2b width has the screwed hole 2a that through, the axis of screwed hole 2a is positioned at the vertical bisector plane of clamp body 2 width, the axis of screwed hole 2a is parallel with the lower surface of clamp body 2, and the internal thread of screwed hole 2a matches with the thread segment 1a of small-diameter step axle 1, the right cell wall of rectangular channel 2b width has a U-lag 2c being opened on clamp body 2 upper surface, the bottom land of U-lag 2c is the face of cylinder, the diameter on the bottom land face of cylinder coordinates with the diametric clearance of the 4th optical axis section 1e, U-lag 2c both sides cell wall and the bottom land face of cylinder tangent, the axis on the U-lag 2c bottom land face of cylinder and the axis collinear of screwed hole 2a, on the upper surface of clamp body 2, there is a collet threaded hole 2d side of U-lag 2c, pressing plate 5 has angle bar profile, the arm 5b of pressing plate 5 has a slotted hole 5c, the lower surface of the clamping arm 5a of pressing plate 5 is semi-cylindrical 5d, the equal diameters of diameter the 4th optical axis section 1e of semi-cylindrical 5d, the thickness W of clamping arm 5a and the groove width matched in clearance of U-lag 2c, the thread segment 1a of processed small-diameter step axle 1 is screwed in the screwed hole 2a on clamp body 2, lining 4 to be enclosed within primary optic axis section 1b and to keep matched in clearance, on the left side of lining 4 and clamp body 2, the left cell wall of rectangular channel 2b is fitted, the right side of lining 4 and the end face of small-diameter step axle 1 second optical axis section 1c are fitted, the thread segment 1a of small-diameter step axle 1 stretches out the left surface of clamp body 2 left, screw die 3 is screwed on the thread segment 1a of the left surface stretching out clamp body 2, the right side of screw die 3 and the left surface of clamp body 2 are fitted, the allowance L2 of thread segment 1a is positioned at the left side of screw die 3, the right-hand member of the 4th optical axis section 1e of small-diameter step axle 1 is positioned at the U-lag 2c on clamp body 2, the semi-cylindrical 5d of the clamping arm 5a of pressing plate 5 pushes down the face of cylinder of the 4th optical axis section 1e, arm 5b, through being screwed in the 2d of collet threaded hole after the slotted hole 5c on pressing plate 5 arm 5b, compresses by housing screw 6.
The utility model has the advantages that: propose a kind of small-diameter step male thread clamp for milling end surfaces, substantially increase product percent of pass and working (machining) efficiency, reduce processing cost.An embodiment of the present utility model, prove through test, product percent of pass reaches more than 95%, and working (machining) efficiency improves more than 3 times.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of small-diameter step axle in certain type actuator.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the structural representation of clamp body in the utility model.
Fig. 4 is the structural representation of the utility model center platen.
Detailed description of the invention
Below the utility model is described in further details.See Fig. 2 to Fig. 4, a kind of small-diameter step male thread clamp for milling end surfaces, processed small-diameter step axle 1 is from left to right divided into 4 sections, respectively: thread segment 1a, primary optic axis section 1b, the second optical axis section 1c the 3rd optical axis section 1d, the 4th optical axis section 1e, the diameter of the 3rd optical axis section 1d is greater than the diameter of the second optical axis section 1c and the diameter of the 4th optical axis section 1e, thread segment 1a leaves allowance L2, from the end face of thread segment 1a to the distance of the second optical axis section 1c end face after processing the diameter of primary optic axis section 1b is the diameter of the second optical axis section 1c is 4th optical axis section 1e diameter is unit is mm, it is characterized in that: milling fixture is made up of clamp body 2, screw die 3, lining 4, pressing plate 5 and housing screw 6, clamp body 2 has the profile of cuboid, the upper surface of clamp body 2 has a rectangular channel 2b, the left cell wall of rectangular channel 2b width has the screwed hole 2a that through, the axis of screwed hole 2a is positioned at the vertical bisector plane of clamp body 2 width, the axis of screwed hole 2a is parallel with the lower surface of clamp body 2, and the internal thread of screwed hole 2a matches with the thread segment 1a of small-diameter step axle 1, the right cell wall of rectangular channel 2b width has a U-lag 2c being opened on clamp body 2 upper surface, the bottom land of U-lag 2c is the face of cylinder, the diameter on the bottom land face of cylinder coordinates with the diametric clearance of the 4th optical axis section 1e, U-lag 2c both sides cell wall and the bottom land face of cylinder tangent, the axis on the U-lag 2c bottom land face of cylinder and the axis collinear of screwed hole 2a, on the upper surface of clamp body 2, there is a collet threaded hole 2d side of U-lag 2c, pressing plate 5 has angle bar profile, the arm 5b of pressing plate 5 has a slotted hole 5c, the lower surface of the clamping arm 5a of pressing plate 5 is semi-cylindrical 5d, the equal diameters of diameter the 4th optical axis section 1e of semi-cylindrical 5d, the thickness W of clamping arm 5a and the groove width matched in clearance of U-lag 2c, the thread segment 1a of processed small-diameter step axle 1 is screwed in the screwed hole 2a on clamp body 2, lining 4 to be enclosed within primary optic axis section 1b and to keep matched in clearance, on the left side of lining 4 and clamp body 2, the left cell wall of rectangular channel 2b is fitted, the right side of lining 4 and the end face of small-diameter step axle 1 second optical axis section 1c are fitted, the thread segment 1a of small-diameter step axle 1 stretches out the left surface of clamp body 2 left, screw die 3 is screwed on the thread segment 1a of the left surface stretching out clamp body 2, the right side of screw die 3 and the left surface of clamp body 2 are fitted, the allowance L2 of thread segment 1a is positioned at the left side of screw die 3, the right-hand member of the 4th optical axis section 1e of small-diameter step axle 1 is positioned at the U-lag 2c on clamp body 2, the semi-cylindrical 5d of the clamping arm 5a of pressing plate 5 pushes down the face of cylinder of the 4th optical axis section 1e, arm 5b, through being screwed in the 2d of collet threaded hole after the slotted hole 5c on pressing plate 5 arm 5b, compresses by housing screw 6.
Operation principle of the present utility model is: adding man-hour, and clamp body 2 is clamped on bench vice, and bench vice is fixed on milling machine table.First lining 4 is enclosed within the primary optic axis section 1b of small-diameter step axle 1, then the 4th optical axis section 1e of small-diameter step axle 1 is put into the trench bottom of the U-lag 2c of clamp body 2, again the thread segment 1a of small-diameter step axle 1 is screwed in the screwed hole 2a of clamp body 2, until lining is fitted on the sidewall of rectangular channel 2b of clamp body 2, then the collet threaded hole 2d that tight screw 6 is tightened in clamp body 2 through the slotted hole 5c of pressing plate 5 make the arm 5b of pressing plate 5 be pressed on the 4th optical axis section 1e of small-diameter step axle 1, again screw die 3 is screwed on the thread segment 1a of small-diameter step axle 1, clamping completes.Then with the thread segment 1a of milling machine processing small-diameter step axle 1, the allowance L2 of small-diameter step axle 1 is machined away.After completing, screw die 3 is back-outed, the burr be stuck in the thread segment 1a of small-diameter step axle 1 is rejected by screw die 3; Unload lower platen 5, take out part, namely processing complete.Because screw die 3 is screwed on the thread segment 1a of small-diameter step axle 1, and the left surface of the right side of screw die 3 and clamp body 2 is fitted, greatly strengthen the rigidity of thread segment 1a, make thread segment 1a in milling process can not produce any movement, thus ensure that dimensional accuracy.
Adding man-hour, after cutting by trial cut the tram determining clamp body 2, the processing of screw thread end face can carried out.During renewal part, due to the invariant position of clamp body 2, part to be processed is installed to after on clamp body 2 and just can carries out accurate machining, thus substantially increase working (machining) efficiency.

Claims (1)

1. a small-diameter step male thread clamp for milling end surfaces, processed small-diameter step axle (1) is from left to right divided into 4 sections, respectively: thread segment (1a), primary optic axis section (1b), second optical axis section (1c) the 3rd optical axis section (1d), 4th optical axis section (1e), the diameter of the 3rd optical axis section (1d) is greater than the diameter of the second optical axis section (1c) and the diameter of the 4th optical axis section (1e), thread segment (1a) leaves allowance L2, from the end face of thread segment (1a) to the distance of the second optical axis section (1c) end face after processing the diameter of primary optic axis section (1b) is the diameter of the second optical axis section (1c) is 4th optical axis section (1e) diameter is unit is mm, it is characterized in that: milling fixture is made up of clamp body (2), screw die (3), lining (4), pressing plate (5) and housing screw (6), clamp body (2) has the profile of cuboid, the upper surface of clamp body (2) has a rectangular channel (2b), the left cell wall of rectangular channel (2b) width has the screwed hole (2a) that through, the axis of screwed hole (2a) is positioned at the vertical bisector plane of clamp body (2) width, the axis of screwed hole (2a) is parallel with the lower surface of clamp body (2), and the internal thread of screwed hole (2a) matches with the thread segment (1a) of small-diameter step axle (1), the right cell wall of rectangular channel (2b) width has a U-lag (2c) being opened on clamp body (2) upper surface, the bottom land of U-lag (2c) is the face of cylinder, the diameter on the bottom land face of cylinder coordinates with the diametric clearance of the 4th optical axis section (1e), U-lag (2c) both sides cell wall and the bottom land face of cylinder tangent, the axis on U-lag (2c) the bottom land face of cylinder and the axis collinear of screwed hole (2a), on the upper surface of clamp body (2), there is a collet threaded hole (2d) side of U-lag (2c), pressing plate (5) has angle bar profile, the arm (5b) of pressing plate (5) has a slotted hole (5c), the lower surface of the clamping arm (5a) of pressing plate (5) is semi-cylindrical (5d), the equal diameters of the diameter the 4th optical axis section (1e) of semi-cylindrical (5d), the thickness W of clamping arm (5a) and the groove width matched in clearance of U-lag (2c), the thread segment (1a) of processed small-diameter step axle (1) is screwed in the screwed hole (2a) on clamp body (2), lining (4) is enclosed within primary optic axis section (1b) and goes up and keep matched in clearance, the left cell wall of the left side of lining (4) and the upper rectangular channel (2b) of clamp body (2) is fitted, the right side of lining (4) and the end face of small-diameter step axle (1) second optical axis section (1c) are fitted, the thread segment (1a) of small-diameter step axle (1) stretches out the left surface of clamp body (2) left, screw die (3) is screwed on the thread segment (1a) of the left surface stretching out clamp body (2), the right side of screw die (3) and the left surface of clamp body (2) are fitted, the allowance L2 of thread segment (1a) is positioned at the left side of screw die (3), the right-hand member of the 4th optical axis section (1e) of small-diameter step axle (1) is positioned at the U-lag (2c) on clamp body (2), the semi-cylindrical (5d) of the clamping arm (5a) of pressing plate (5) pushes down the face of cylinder of the 4th optical axis section (1e), housing screw (6) is screwed in collet threaded hole (2d) through after the slotted hole (5c) on pressing plate (5) arm (5b), is compressed by arm (5b).
CN201420578166.7U 2014-10-08 2014-10-08 A kind of small-diameter step male thread clamp for milling end surfaces Expired - Fee Related CN204195312U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420578166.7U CN204195312U (en) 2014-10-08 2014-10-08 A kind of small-diameter step male thread clamp for milling end surfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420578166.7U CN204195312U (en) 2014-10-08 2014-10-08 A kind of small-diameter step male thread clamp for milling end surfaces

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CN204195312U true CN204195312U (en) 2015-03-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106001722A (en) * 2016-06-28 2016-10-12 梧州奥卡光学仪器有限公司 Machining method for condenser lifting seat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106001722A (en) * 2016-06-28 2016-10-12 梧州奥卡光学仪器有限公司 Machining method for condenser lifting seat

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150311

Termination date: 20211008

CF01 Termination of patent right due to non-payment of annual fee