CN103862245A - Method for manufacturing windscreen wiper connector - Google Patents
Method for manufacturing windscreen wiper connector Download PDFInfo
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- CN103862245A CN103862245A CN201410124728.5A CN201410124728A CN103862245A CN 103862245 A CN103862245 A CN 103862245A CN 201410124728 A CN201410124728 A CN 201410124728A CN 103862245 A CN103862245 A CN 103862245A
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- Prior art keywords
- hole
- pin
- face
- wiper joint
- connecting hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/40—Connections between blades and arms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
A method for manufacturing a windscreen wiper connector comprises the following steps of (1) die-casting, (2) taper hole machining, (3) connecting hole machining, (4) pin hole machining, (5) end face machining and (6) post-processing. In the die-casting step, a semi-finished product of the windscreen wiper connector is obtained in a die-casting mode through a die-casting machine. In the taper hole machining step, a taper hole fixture is used for fixing and locating the windscreen wiper connector, and a taper hole drilling machine is used for machining a taper hole of the windscreen wiper connector. In the connecting hole machining step, a connecting hole fixture is used for fixing and locating the windscreen wiper connector, and a connecting hole drilling machine is used for machining a connecting hole of the windscreen wiper connector. In the pin hole machining step, a pin hole fixture is used for fixing and locating the windscreen wiper connector, and a pin hole drilling machine is used for machining a pin hole of the windscreen wiper connector. In the end face machining step, an end face fixture is used for fixing and locating the windscreen wiper connector, and an end face milling machine is used for milling the two end faces of the connecting hole of the windscreen wiper connector. In the post-processing step, the windscreen wiper connector is post-processed, and then a finished product of the windscreen wiper connector is obtained. The method has the advantages that locating is accurate, product quality is good, the percent of pass is high, and production efficiency is high.
Description
Technical field
The present invention relates to a kind of preparation method of wiper joint.
Background technology
In prior art, the upper surface of the rear end of wiper joint is concaved with groove downwards, and the center of this groove is penetrated with taper hole, and the forward and backward both sides of the front end of described wiper joint are provided with brace side by side, on two described braces, is penetrated with connecting hole and pin-and-hole.Because the relative rear end of wiper joint front end exists certain angle, thereby make wiper joint add man-hour at the both sides end face to taper hole, connecting hole, pin-and-hole and connecting hole, location is inaccurate, cause taper hole, connecting hole, pin-and-hole and end face processing on wiper joint to be tilted, cause the qualification rate of product not high, production efficiency is low.
Summary of the invention
To there is above-mentioned deficiency in order overcoming in prior art, to the invention provides that a kind of accurate positioning, production efficiency are high, the preparation method of the wiper joint of good product quality.
The technical scheme that the present invention solves its technical problem is: a kind of preparation method of wiper joint, the upper surface of the rear end of described wiper joint is concaved with groove downwards, the center of this groove is penetrated with taper hole, the forward and backward both sides of the front end of described wiper joint are provided with brace side by side, on two described braces, be penetrated with connecting hole and pin-and-hole, include following steps:
(1) die casting: will inject after aluminium alloy stock fusing in the die cavity of die casting of die casting machine, the shape of the die cavity of this die casting is consistent with the shape of described wiper joint, after aluminium alloy solution is cooling, the demoulding obtains the semi-finished product of described wiper joint, then described wiper joint semi-finished product is carried out to die casting inspection, deburring, inspection processing successively;
(2) cone hole machine: the semi-finished product of wiper joint are placed on taper hole fixture, this taper hole fixture comprises taper hole clamping fixture seat, one side of this taper hole clamping fixture seat is provided with taper hole locating piece, on the upper surface of this taper hole locating piece, be concaved with taper hole locating slot downwards, this taper hole locating slot is obliquely installed and matches with the upper surface of the front end of described wiper joint, the opposite side of described taper hole clamping fixture seat is provided with taper hole locating dowel, this taper hole locating dowel be positioned at taper reamer on taper hole drilling machine under, top between described taper hole locating piece and described taper hole locating dowel is provided with the fast ram pressure of taper hole, the front end of described wiper joint is inverted in described taper hole locating slot, the groove of the rear end of described wiper joint is sleeved in described taper hole locating dowel, now, the center line of the center line of the groove of described wiper joint and described taper hole locating dowel coincides, then thereby the fast ram pressure of described taper hole presses down on the middle part of the lower surface that is pressed in described wiper joint, by described taper hole locating slot, the fast ram pressure of taper hole locating dowel and taper hole matches to realize described wiper joint is positioned and compressed, then starting described taper hole drilling machine processes the taper hole on described wiper joint by described taper reamer, after cone hole machine completes, described taper hole drilling machine quits work, open the fast ram pressure of described taper hole and take off described wiper joint from described taper hole fixture,
(3) connecting hole processing: the described wiper joint that processes taper hole is placed on connecting hole fixture, this connecting hole fixture comprises connecting hole clamping fixture seat, this connecting hole clamping fixture seat is provided with connecting hole front shoe and connecting hole rear fixed plate, this connecting hole rear fixed plate turns forward and the front side of this connecting hole rear fixed plate is extended with forward the connecting hole locating dowel perpendicular with this connecting hole rear fixed plate, the front side of described connection front shoe is extended with forward connecting hole back-up block, the front of this connecting hole back-up block is provided with from the upwardly extending connecting hole support column of described connecting hole clamping fixture seat, this connecting hole support column is positioned at the outside of the below of the connecting hole reamer on connecting hole drilling machine, front between described connecting hole front shoe and connecting hole rear fixed plate is provided with the fast ram pressure of connecting hole, described wiper joint side stands in the front between described connecting hole front shoe and connecting hole rear fixed plate, the front end of described wiper joint is placed on connecting hole support column, the lower surface of the front end of described wiper joint contacts with the front side of described connecting hole back-up block, the taper hole of the rear end of described wiper joint is sleeved in described connecting hole locating dowel, now, the center line of the center line of the connecting hole of described wiper joint and described connecting hole reamer is located along the same line, then thereby the fast ram pressure of described connecting hole is pressed on the upper surface of described wiper joint backward, by described connecting hole locating dowel, connecting hole back-up block, the fast ram pressure of connecting hole support column and connecting hole matches to realize described wiper joint is positioned and compressed, then starting described connecting hole drilling machine processes the connecting hole on described wiper joint by described connecting hole reamer, after connecting hole machines, described connecting hole drilling machine quits work, open the fast ram pressure of described connecting hole and take off described wiper joint from described connecting hole fixture,
(4) pin-and-hole processing: the described wiper joint that processes connecting hole is placed on pin hole fixture, this pin hole fixture comprises pin hole fixture seat, this pin hole fixture seat is provided with pin-and-hole front shoe and pin-and-hole rear fixed plate, this pin-and-hole rear fixed plate turns forward and the front side of this pin-and-hole rear fixed plate is extended with forward the pin-and-hole locating dowel perpendicular with this pin-and-hole rear fixed plate, the front side of described connection front shoe is extended with forward pin-and-hole back-up block, the front of this pin-and-hole back-up block is provided with from the upwardly extending pin-and-hole support column of described pin hole fixture seat, this pin-and-hole support column is positioned at the outside of the below of the pin-and-hole reamer on pin-and-hole drilling machine, front between described pin-and-hole front shoe and pin-and-hole rear fixed plate is provided with the fast ram pressure of pin-and-hole, described wiper joint side stands in the front of described pin-and-hole front shoe and pin-and-hole rear fixed plate, the front end of described wiper joint is placed on pin-and-hole support column, the lower surface of the front end of described wiper joint contacts with the front side of described pin-and-hole back-up block, the taper hole of the rear end of described wiper joint is sleeved in described pin-and-hole locating dowel, now, the center line of the center line of the pin-and-hole of described wiper joint and described pin-and-hole reamer is located along the same line, then thereby the fast ram pressure of described pin-and-hole is pressed on the upper surface of described wiper joint backward, by described pin-and-hole locating dowel, pin-and-hole back-up block, the fast ram pressure of pin-and-hole support column and pin-and-hole matches to realize described wiper joint is positioned and compressed, then starting described pin-and-hole drilling machine processes the pin-and-hole on described wiper joint by described pin-and-hole reamer, after pin-and-hole machines, described pin-and-hole drilling machine quits work, open the fast ram pressure of described pin-and-hole and take off described wiper joint from described pin hole fixture,
(5) end face processing: the described wiper joint that processes pin-and-hole is placed on end face fixture, this end face fixture comprises end face clamping fixture seat, the front side of this end face clamping fixture seat tilts and is provided with end face locating dowel, the incline direction of this end face locating dowel is so that the plane at the plane at the end face place of the both sides of the connecting hole of described wiper joint and the upper surface place of described end face clamping fixture seat is perpendicular, the rear side of described end face clamping fixture seat is provided with end face supporting seat, this end face supporting seat is convex is provided with the end face locating piece that the hollow slots between the brace of described wiper joint matches, top between this end face locating piece and described end face locating dowel is provided with the fast ram pressure of end face, the rear of this end face locating piece is provided with face miller, face cutter on this face miller is two and lays respectively at the rear of the both sides of described end face locating piece, the front end of described wiper joint is placed on end face supporting seat, and end face locating piece stretches in the blank groove between the brace of front end of described wiper joint, the taper hole of the rear end of described wiper joint is sleeved in end face locating dowel, now, the plane at the plane at the end face place of the both sides of the connecting hole of described wiper joint and the upper surface place of described end face clamping fixture seat is perpendicular, then thereby the fast ram pressure of end face presses down on the middle part of the upper surface that is pressed in described wiper joint, by described end face locating dowel, the fast ram pressure of end face locating piece and end face matches to realize described wiper joint is positioned and compressed, then described end face fixture moves and close described face cutter after driving described wiper joint, simultaneously, the both ends of the surface that start described face miller connecting hole to described wiper joint by described face cutter are processed, after end face machines, described face miller quits work, described end face fixture drives described wiper joint reach, then open the fast ram pressure of described end face and take off described wiper joint from described end face fixture,
(6) post processing: to wiper joint clean, drying and processing, then in the pin-and-hole of described wiper joint, install pin, then carry out successively polishing, shot-peening, inspection processing, obtain the finished product of described wiper joint.
Further, in above-mentioned step 2) in, the center of described taper hole locating dowel offers with described taper reamer matches and dodges groove, and this is dodged on the sidewall of lower end of groove and offers chip area, the rotating speed of described taper reamer is 900r/min, and feed velocity is 50mm/min.In the time of the taper hole of taper reamer processing wiper joint, the lower end of taper reamer can be stretched into and dodge in groove, thereby guarantees that cone hole machine puts in place, and chip area is positioned at the processing bits end of dodging groove for discharging, easy to process.
Further, in above-mentioned step 3), described connecting hole locating dowel is provided with the connecting hole taper surface matching with described taper hole, described in the time that the taper hole of described wiper joint is sleeved in described connecting hole locating dowel, connecting hole taper surface contacts with described taper hole, the rotating speed of described connecting hole reamer is 900r/min, and feed velocity is 50mm/min.The taper hole of connecting hole taper surface and wiper joint matches, and it is more accurate to locate.
Further, in above-mentioned step 4), described pin-and-hole locating dowel is provided with the pin-and-hole taper surface matching with described taper hole, described in the time that the taper hole of described wiper joint is sleeved in described pin-and-hole locating dowel, pin-and-hole taper surface contacts with described taper hole, the side of described pin-and-hole support column is provided with pin-and-hole mistake proofing post, the upper end of this pin-and-hole mistake proofing post can be placed in the connecting hole of described wiper joint, and the rotating speed of described pin-and-hole reamer is 2000r/min, and feed velocity is 50mm/min.The taper hole of pin-and-hole taper surface and wiper joint matches, and it is more accurate to locate, and sets up pin-and-hole mistake proofing post, and pin-and-hole mistake proofing post is placed in the connecting hole of wiper joint, correct to guarantee the Working position of the pin-and-hole on wiper joint.
Further, in above-mentioned step 5), the upper end of described end face locating dowel is provided with the end face taper surface matching with described taper hole, described in the time that the taper hole of described wiper joint is sleeved in described end face locating dowel, end face taper surface contacts with described taper hole, the lower end of described end face locating dowel is connected with described end face clamping fixture seat by an end face positioning seat, the upper surface of this end face positioning seat is an inclined-plane, and the axis of this inclined-plane and described end face locating dowel is perpendicular, the rotating speed of described face cutter is 2000r/min, and feed velocity is 50mm/min.The taper hole of end face taper surface and wiper joint matches, and inclined-plane contacts with the lower surface of the afterbody of wiper joint, and it is more accurate to locate.
Further, described taper hole drilling machine, connecting hole drilling machine, pin-and-hole drilling machine and face miller are located on same workbench successively side by side, and are equipped with the just cooling jet to machining area on taper hole drilling machine, connecting hole drilling machine, pin-and-hole drilling machine and face miller.Together with taper hole drilling machine, connecting hole drilling machine, pin-and-hole drilling machine are arranged side by side successively with face miller, can save the turnaround time, improve working (machining) efficiency, cooling jet sprays cooling fluid and processing work and process tool is carried out cooling in process, improves the quality of product.
Compared with prior art, the invention has the advantages that and adopt special frock clamp, clamping and fast location are efficiently realized, solve the problem of taper hole, connecting hole, pin-and-hole and the end face processing inclination of locating on wiper joint inaccurate and that cause, ensure the quality of product, the qualification rate that has improved product, production efficiency is high.
Brief description of the drawings
Fig. 1 is the schematic diagram of an angle of wiper joint of the present invention.
Fig. 2 is the schematic diagram of another angle of wiper joint of the present invention.
Fig. 3 is the stereogram of taper hole fixture of the present invention.
Fig. 4 is the view of cone hole machine of the present invention.
Fig. 5 is the stereogram of connecting hole fixture of the present invention.
Fig. 6 is the right view of connecting hole fixture of the present invention.
Fig. 7 is the view of connecting hole processing of the present invention.
Fig. 8 is the stereogram of pin hole fixture of the present invention.
Fig. 9 is the right view of pin hole fixture of the present invention.
Figure 10 is the view of pin-and-hole processing of the present invention.
Figure 11 is the stereogram of end face fixture of the present invention.
Figure 12 is the front view of end face fixture of the present invention.
Figure 13 is the view of end face processing of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
With reference to Fig. 1 ~ Figure 13, a kind of preparation method of wiper joint, the upper surface 2 of the rear end of described wiper joint 1 is concaved with groove 3 downwards, the center of this groove is penetrated with taper hole 4, the forward and backward both sides of the front end of described wiper joint 1 are provided with brace 31 side by side, on two described braces, be penetrated with connecting hole 5 and pin-and-hole 6, include following steps:
(1) die casting: will inject after aluminium alloy stock fusing in the die cavity of die casting of die casting machine, the shape of the die cavity of this die casting is consistent with the shape of described wiper joint, after aluminium alloy solution is cooling, the demoulding obtains the semi-finished product of described wiper joint, on the semi-finished product of described wiper joint, there is groove, taper hole, brace and connecting hole, then described wiper joint semi-finished product are carried out to die casting inspection, deburring, inspection processing successively;
(2) cone hole machine: the semi-finished product of wiper joint are placed on taper hole fixture, this taper hole fixture comprises taper hole clamping fixture seat 7, one side of this taper hole clamping fixture seat is provided with taper hole locating piece 8, on the upper surface of this taper hole locating piece, be concaved with taper hole locating slot 9 downwards, this taper hole locating slot is obliquely installed and matches with the upper surface of the front end of described wiper joint, the opposite side of described taper hole clamping fixture seat is provided with taper hole locating dowel 10, this taper hole locating dowel be positioned at taper reamer 11 on taper hole drilling machine under, top between described taper hole locating piece and described taper hole locating dowel is provided with the fast ram pressure of taper hole, the front end of described wiper joint 1 is inverted in described taper hole locating slot 9, the upper surface 2 of the front end of described wiper joint 1 contacts with taper hole locating slot 9, the groove 3 of the rear end of described wiper joint 1 is sleeved in described taper hole locating dowel 10, now, the center line of the groove 3 of described wiper joint 1 and the center line of described taper hole locating dowel 10 coincide, then thereby the fast ram pressure of described taper hole presses down on the middle part of lower surface 12 that is pressed in described wiper joint 1, by described taper hole locating slot 9, the fast ram pressure of taper hole locating dowel 10 and taper hole matches to realize described wiper joint 1 is positioned and compressed, then starting described taper hole drilling machine processes the taper hole 4 on described wiper joint 1 by described taper reamer 11, here realize the fine finishining to taper hole, after cone hole machine completes, described taper hole drilling machine quits work, open the fast ram pressure of described taper hole and take off described wiper joint from described taper hole fixture,
(3) connecting hole processing: the described wiper joint that processes taper hole is placed on connecting hole fixture, this connecting hole fixture comprises connecting hole clamping fixture seat 13, this connecting hole clamping fixture seat is provided with connecting hole front shoe 14 and connecting hole rear fixed plate 15, this connecting hole rear fixed plate turns forward and the front side of this connecting hole rear fixed plate is extended with forward the connecting hole locating dowel 16 perpendicular with this connecting hole rear fixed plate, the front side of described connection front shoe is extended with forward connecting hole back-up block 17, the front of this connecting hole back-up block is provided with from the upwardly extending connecting hole support column 18 of described connecting hole clamping fixture seat, this connecting hole support column is positioned at the outside of the below of the connecting hole reamer 19 on connecting hole drilling machine, front between described connecting hole front shoe and connecting hole rear fixed plate is provided with the fast ram pressure of connecting hole, the edge-on front between described connecting hole front shoe 14 and connecting hole rear fixed plate 15 of described wiper joint 1, the front end of described wiper joint 1 is placed on connecting hole support column 18, the lower surface 12 of the front end of described wiper joint 1 contacts with the front side of described connecting hole back-up block 17, the taper hole 4 of the rear end of described wiper joint 1 is sleeved in described connecting hole locating dowel 10, now, the center line of the connecting hole 5 of described wiper joint 1 and the center line of described connecting hole reamer 19 are located along the same line, then thereby the fast ram pressure of described connecting hole is pressed on the upper surface 2 of described wiper joint 1 backward, by described connecting hole locating dowel 16, connecting hole back-up block 17, the fast ram pressure of connecting hole support column 18 and connecting hole matches to realize described wiper joint is positioned and compressed, then starting described connecting hole drilling machine processes the connecting hole 5 on described wiper joint 1 by described connecting hole reamer 19, here realize the fine finishining to connecting hole, after connecting hole machines, described connecting hole drilling machine quits work, open the fast ram pressure of described connecting hole and take off described wiper joint from described connecting hole fixture,
(4) pin-and-hole processing: the described wiper joint that processes connecting hole is placed on pin hole fixture, this pin hole fixture comprises pin hole fixture seat 20, this pin hole fixture seat is provided with pin-and-hole front shoe 21 and pin-and-hole rear fixed plate 22, this pin-and-hole rear fixed plate turns forward and the front side of this pin-and-hole rear fixed plate is extended with forward the pin-and-hole locating dowel 23 perpendicular with this pin-and-hole rear fixed plate, the front side of described connection front shoe is extended with forward pin-and-hole back-up block 24, the front of this pin-and-hole back-up block is provided with from the upwardly extending pin-and-hole support column 25 of described pin hole fixture seat, this pin-and-hole support column is positioned at the outside of the below of the pin-and-hole reamer 26 on pin-and-hole drilling machine, front between described pin-and-hole front shoe and pin-and-hole rear fixed plate is provided with the fast ram pressure of pin-and-hole, the edge-on front at described pin-and-hole front shoe 21 and pin-and-hole rear fixed plate 22 of described wiper joint 1, the front end of described wiper joint 1 is placed on pin-and-hole support column 25, the lower surface 12 of the front end of described wiper joint 1 contacts with the front side of described pin-and-hole back-up block 24, the taper hole 4 of the rear end of described wiper joint 1 is sleeved in described pin-and-hole locating dowel 23, now, the center line of the pin-and-hole 6 of described wiper joint 1 and the center line of described pin-and-hole reamer 26 are located along the same line, then thereby the fast ram pressure of described pin-and-hole is pressed on the upper surface 2 of described wiper joint 1 backward, by described pin-and-hole locating dowel 23, pin-and-hole back-up block 24, the fast ram pressure of pin-and-hole support column 25 and pin-and-hole matches to realize described wiper joint is positioned and compressed, then starting described pin-and-hole drilling machine processes the pin-and-hole 6 on described wiper joint 1 by described pin-and-hole reamer 26, here realize and on the brace of wiper joint, get a pin-and-hole, after pin-and-hole machines, described pin-and-hole drilling machine quits work, open the fast ram pressure of described pin-and-hole and take off described wiper joint from described pin hole fixture,
(5) end face processing: the described wiper joint that processes pin-and-hole is placed on end face fixture, this end face fixture comprises end face clamping fixture seat 27, the front side of this end face clamping fixture seat tilts and is provided with end face locating dowel 28, the incline direction of this end face locating dowel is so that the plane at the plane at the end face place of the both sides of the connecting hole of described wiper joint and the upper surface place of described end face clamping fixture seat is perpendicular, the rear side of described end face clamping fixture seat is provided with end face supporting seat 29, this end face supporting seat is convex is provided with the end face locating piece 32 that the hollow slots 31 between the brace 30 of described wiper joint 1 matches, top between this end face locating piece and described end face locating dowel is provided with the fast ram pressure of end face, the rear of this end face locating piece is provided with face miller, face cutter 33 on this face miller is two and lays respectively at the rear of the both sides of described end face locating piece, the front end of described wiper joint 1 is placed on end face supporting seat 29, and end face locating piece 32 stretches in the blank groove 31 between the brace 30 of front end of described wiper joint 1, the taper hole 4 of the rear end of described wiper joint 1 is sleeved in end face locating dowel 28, now, the plane at end face 34 places of the both sides of the connecting hole 5 of described wiper joint 1 and the plane at the upper surface place of described end face clamping fixture seat 27 are perpendicular, then thereby the fast ram pressure of end face presses down on the middle part of upper surface 2 that is pressed in described wiper joint 1, by described end face locating dowel 28, the fast ram pressure of end face locating piece 32 and end face matches to realize described wiper joint 1 is positioned and compressed, then described end face fixture moves and close described face cutter after driving described wiper joint, simultaneously, the both ends of the surface 34 that start described face miller connecting hole 5 to described wiper joint 1 by described face cutter 33 are processed, here realize the two ends of the connecting hole to wiper joint and carry out tack processing, after end face machines, described face miller quits work, described end face fixture drives described wiper joint reach, then open the fast ram pressure of described end face and take off described wiper joint from described end face fixture,
(6) post processing: to wiper joint clean, drying and processing, then in the pin-and-hole 6 of described wiper joint 1, install pin, then carry out successively polishing, shot-peening, inspection processing, obtain the finished product of described wiper joint.
In above-mentioned step 2) in, the center of described taper hole locating dowel 10 offers with described taper reamer 11 matches and dodges groove 35, this is dodged on the sidewall of lower end of groove and offers chip area 36, and the rotating speed of described taper reamer 11 is 900r/min, and feed velocity is 50mm/min.In the time that taper reamer 11 is processed the taper hole of wiper joint 14, the lower end of taper reamer 11 can be stretched into and dodge in groove 35, thereby guarantees that cone hole machine puts in place, and chip area 36 is positioned at the processing bits end of dodging groove 35 for discharging, easy to process.
In above-mentioned step 3), described connecting hole locating dowel 16 is provided with the connecting hole taper surface 37 matching with described taper hole, described in the time that the taper hole of described wiper joint is sleeved in described connecting hole locating dowel, connecting hole taper surface contacts with described taper hole, the rotating speed of described connecting hole reamer is 900r/min, and feed velocity is 50mm/min.The taper hole of connecting hole taper surface and wiper joint matches, and it is more accurate to locate.
In above-mentioned step 4), described pin-and-hole locating dowel 23 is provided with the pin-and-hole taper surface 38 matching with described taper hole, described in the time that the taper hole of described wiper joint is sleeved in described pin-and-hole locating dowel, pin-and-hole taper surface contacts with described taper hole, the side of described pin-and-hole support column 25 is provided with pin-and-hole mistake proofing post 39, the upper end of this pin-and-hole mistake proofing post can be placed in the connecting hole of described wiper joint, the rotating speed of described pin-and-hole reamer is 2000r/min, and feed velocity is 50mm/min.The taper hole of pin-and-hole taper surface and wiper joint matches, and it is more accurate to locate, and sets up pin-and-hole mistake proofing post, and pin-and-hole mistake proofing post is placed in the connecting hole of wiper joint, correct to guarantee the Working position of the pin-and-hole on wiper joint.
In above-mentioned step 5), the upper end of described end face locating dowel is provided with the end face taper surface 40 matching with described taper hole, described in the time that the taper hole of described wiper joint is sleeved in described end face locating dowel, end face taper surface contacts with described taper hole, the lower end of described end face locating dowel 28 is connected with described end face clamping fixture seat 27 by an end face positioning seat 41, the upper surface of this end face positioning seat is an inclined-plane 42, and the axis of this inclined-plane and described end face locating dowel is perpendicular, the rotating speed of described face cutter is 2000r/min, and feed velocity is 50mm/min.The taper hole of end face taper surface and wiper joint matches, and inclined-plane contacts with the lower surface of the afterbody of wiper joint, and it is more accurate to locate.
Described taper hole drilling machine, connecting hole drilling machine, pin-and-hole drilling machine and face miller are located on same workbench successively side by side, and are equipped with the just cooling jet to machining area on taper hole drilling machine, connecting hole drilling machine, pin-and-hole drilling machine and face miller.Together with taper hole drilling machine, connecting hole drilling machine, pin-and-hole drilling machine are arranged side by side successively with face miller, can save the turnaround time, improve working (machining) efficiency, cooling jet sprays cooling fluid and processing work and process tool is carried out cooling in process, improves the quality of product.
Compared with prior art, the invention has the advantages that and adopt special frock clamp, clamping and fast location are efficiently realized, solve the problem of taper hole, connecting hole, pin-and-hole and the end face processing inclination of locating on wiper joint inaccurate and that cause, ensure the quality of product, the qualification rate that has improved product, production efficiency is high.
Claims (6)
1. the preparation method of a wiper joint, the upper surface of the rear end of described wiper joint is concaved with groove downwards, the center of this groove is penetrated with taper hole, the forward and backward both sides of the front end of described wiper joint are provided with brace side by side, on two described braces, be penetrated with connecting hole and pin-and-hole, it is characterized in that: include following steps:
(1) die casting: will inject after aluminium alloy stock fusing in the die cavity of die casting of die casting machine, the shape of the die cavity of this die casting is consistent with the shape of described wiper joint, after aluminium alloy solution is cooling, the demoulding obtains the semi-finished product of described wiper joint, then described wiper joint semi-finished product is carried out to die casting inspection, deburring, inspection processing successively;
(2) cone hole machine: the semi-finished product of wiper joint are placed on taper hole fixture, this taper hole fixture comprises taper hole clamping fixture seat, one side of this taper hole clamping fixture seat is provided with taper hole locating piece, on the upper surface of this taper hole locating piece, be concaved with taper hole locating slot downwards, this taper hole locating slot is obliquely installed and matches with the upper surface of the front end of described wiper joint, the opposite side of described taper hole clamping fixture seat is provided with taper hole locating dowel, this taper hole locating dowel be positioned at taper reamer on taper hole drilling machine under, top between described taper hole locating piece and described taper hole locating dowel is provided with the fast ram pressure of taper hole, the front end of described wiper joint is inverted in described taper hole locating slot, the groove of the rear end of described wiper joint is sleeved in described taper hole locating dowel, now, the center line of the center line of the groove of described wiper joint and described taper hole locating dowel coincides, then thereby the fast ram pressure of described taper hole presses down on the middle part of the lower surface that is pressed in described wiper joint, by described taper hole locating slot, the fast ram pressure of taper hole locating dowel and taper hole matches to realize described wiper joint is positioned and compressed, then starting described taper hole drilling machine processes the taper hole on described wiper joint by described taper reamer, after cone hole machine completes, described taper hole drilling machine quits work, open the fast ram pressure of described taper hole and take off described wiper joint from described taper hole fixture,
(3) connecting hole processing: the described wiper joint that processes taper hole is placed on connecting hole fixture, this connecting hole fixture comprises connecting hole clamping fixture seat, this connecting hole clamping fixture seat is provided with connecting hole front shoe and connecting hole rear fixed plate, this connecting hole rear fixed plate turns forward and the front side of this connecting hole rear fixed plate is extended with forward the connecting hole locating dowel perpendicular with this connecting hole rear fixed plate, the front side of described connection front shoe is extended with forward connecting hole back-up block, the front of this connecting hole back-up block is provided with from the upwardly extending connecting hole support column of described connecting hole clamping fixture seat, this connecting hole support column is positioned at the outside of the below of the connecting hole reamer on connecting hole drilling machine, front between described connecting hole front shoe and connecting hole rear fixed plate is provided with the fast ram pressure of connecting hole, described wiper joint side stands in the front between described connecting hole front shoe and connecting hole rear fixed plate, the front end of described wiper joint is placed on connecting hole support column, the lower surface of the front end of described wiper joint contacts with the front side of described connecting hole back-up block, the taper hole of the rear end of described wiper joint is sleeved in described connecting hole locating dowel, now, the center line of the center line of the connecting hole of described wiper joint and described connecting hole reamer is located along the same line, then thereby the fast ram pressure of described connecting hole is pressed on the upper surface of described wiper joint backward, by described connecting hole locating dowel, connecting hole back-up block, the fast ram pressure of connecting hole support column and connecting hole matches to realize described wiper joint is positioned and compressed, then starting described connecting hole drilling machine processes the connecting hole on described wiper joint by described connecting hole reamer, after connecting hole machines, described connecting hole drilling machine quits work, open the fast ram pressure of described connecting hole and take off described wiper joint from described connecting hole fixture,
(4) pin-and-hole processing: the described wiper joint that processes connecting hole is placed on pin hole fixture, this pin hole fixture comprises pin hole fixture seat, this pin hole fixture seat is provided with pin-and-hole front shoe and pin-and-hole rear fixed plate, this pin-and-hole rear fixed plate turns forward and the front side of this pin-and-hole rear fixed plate is extended with forward the pin-and-hole locating dowel perpendicular with this pin-and-hole rear fixed plate, the front side of described connection front shoe is extended with forward pin-and-hole back-up block, the front of this pin-and-hole back-up block is provided with from the upwardly extending pin-and-hole support column of described pin hole fixture seat, this pin-and-hole support column is positioned at the outside of the below of the pin-and-hole reamer on pin-and-hole drilling machine, front between described pin-and-hole front shoe and pin-and-hole rear fixed plate is provided with the fast ram pressure of pin-and-hole, described wiper joint side stands in the front of described pin-and-hole front shoe and pin-and-hole rear fixed plate, the front end of described wiper joint is placed on pin-and-hole support column, the lower surface of the front end of described wiper joint contacts with the front side of described pin-and-hole back-up block, the taper hole of the rear end of described wiper joint is sleeved in described pin-and-hole locating dowel, now, the center line of the center line of the pin-and-hole of described wiper joint and described pin-and-hole reamer is located along the same line, then thereby the fast ram pressure of described pin-and-hole is pressed on the upper surface of described wiper joint backward, by described pin-and-hole locating dowel, pin-and-hole back-up block, the fast ram pressure of pin-and-hole support column and pin-and-hole matches to realize described wiper joint is positioned and compressed, then starting described pin-and-hole drilling machine processes the pin-and-hole on described wiper joint by described pin-and-hole reamer, after pin-and-hole machines, described pin-and-hole drilling machine quits work, open the fast ram pressure of described pin-and-hole and take off described wiper joint from described pin hole fixture,
(5) end face processing: the described wiper joint that processes pin-and-hole is placed on end face fixture, this end face fixture comprises end face clamping fixture seat, the front side of this end face clamping fixture seat tilts and is provided with end face locating dowel, the incline direction of this end face locating dowel is so that the plane at the plane at the end face place of the both sides of the connecting hole of described wiper joint and the upper surface place of described end face clamping fixture seat is perpendicular, the rear side of described end face clamping fixture seat is provided with end face supporting seat, this end face supporting seat is convex is provided with the end face locating piece that the hollow slots between the brace of described wiper joint matches, top between this end face locating piece and described end face locating dowel is provided with the fast ram pressure of end face, the rear of this end face locating piece is provided with face miller, face cutter on this face miller is two and lays respectively at the rear of the both sides of described end face locating piece, the front end of described wiper joint is placed on end face supporting seat, and end face locating piece stretches in the blank groove between the brace of front end of described wiper joint, the taper hole of the rear end of described wiper joint is sleeved in end face locating dowel, now, the plane at the plane at the end face place of the both sides of the connecting hole of described wiper joint and the upper surface place of described end face clamping fixture seat is perpendicular, then thereby the fast ram pressure of end face presses down on the middle part of the upper surface that is pressed in described wiper joint, by described end face locating dowel, the fast ram pressure of end face locating piece and end face matches to realize described wiper joint is positioned and compressed, then described end face fixture moves and close described face cutter after driving described wiper joint, simultaneously, the both ends of the surface that start described face miller connecting hole to described wiper joint by described face cutter are processed, after end face machines, described face miller quits work, described end face fixture drives described wiper joint reach, then open the fast ram pressure of described end face and take off described wiper joint from described end face fixture,
(6) post processing: to wiper joint clean, drying and processing, then in the pin-and-hole of described wiper joint, install pin, then carry out successively polishing, shot-peening, inspection processing, obtain the finished product of described wiper joint.
2. according to the preparation method of wiper joint claimed in claim 1, it is characterized in that: in above-mentioned step 2) in, the center of described taper hole locating dowel offers with described taper reamer matches and dodges groove, this is dodged on the sidewall of lower end of groove and offers chip area, the rotating speed of described taper reamer is 900r/min, and feed velocity is 50mm/min.
3. according to the preparation method of wiper joint claimed in claim 1, it is characterized in that: in above-mentioned step 3), described connecting hole locating dowel is provided with the connecting hole taper surface matching with described taper hole, described in the time that the taper hole of described wiper joint is sleeved in described connecting hole locating dowel, connecting hole taper surface contacts with described taper hole, the rotating speed of described connecting hole reamer is 900r/min, and feed velocity is 50mm/min.
4. according to the preparation method of wiper joint claimed in claim 1, it is characterized in that: in above-mentioned step 4), described pin-and-hole locating dowel is provided with the pin-and-hole taper surface matching with described taper hole, described in the time that the taper hole of described wiper joint is sleeved in described pin-and-hole locating dowel, pin-and-hole taper surface contacts with described taper hole, the side of described pin-and-hole support column is provided with pin-and-hole mistake proofing post, the upper end of this pin-and-hole mistake proofing post can be placed in the connecting hole of described wiper joint, the rotating speed of described pin-and-hole reamer is 2000r/min, and feed velocity is 50mm/min.
5. according to the preparation method of wiper joint claimed in claim 1, it is characterized in that: in above-mentioned step 5), the upper end of described end face locating dowel is provided with the end face taper surface matching with described taper hole, described in the time that the taper hole of described wiper joint is sleeved in described end face locating dowel, end face taper surface contacts with described taper hole, the lower end of described end face locating dowel is connected with described end face clamping fixture seat by an end face positioning seat, the upper surface of this end face positioning seat is an inclined-plane, and the axis of this inclined-plane and described end face locating dowel is perpendicular, the rotating speed of described face cutter is 2000r/min, feed velocity is 50mm/min.
6. according to the preparation method of the wiper joint one of claim 1 ~ 5 Suo Shu, it is characterized in that: described taper hole drilling machine, connecting hole drilling machine, pin-and-hole drilling machine and face miller are located on same workbench successively side by side, and be equipped with the just cooling jet to machining area on taper hole drilling machine, connecting hole drilling machine, pin-and-hole drilling machine and face miller.
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| CN111112957A (en) * | 2020-01-07 | 2020-05-08 | 中国航空工业集团公司北京航空精密机械研究所 | Machining method for reducing deformation of hollow aluminum alloy part |
| CN111390280A (en) * | 2020-03-30 | 2020-07-10 | 丽水市莲都区升嘉文凯模具厂 | Connecting hole processing equipment for windscreen wiper joint |
| CN111390255A (en) * | 2020-03-30 | 2020-07-10 | 丽水市莲都区升嘉文凯模具厂 | End face machining equipment for windscreen wiper joint |
| CN111531327A (en) * | 2020-03-23 | 2020-08-14 | 浙江水利水电学院 | Novel machine tool base machining process and tool |
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| CN111390255B (en) * | 2020-03-30 | 2021-12-14 | 浙江青田瓯鹏机械制造有限公司 | End face machining equipment for windscreen wiper joint |
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|---|---|
| CN103862245B (en) | 2016-01-27 |
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