CN104889232B - A kind of steel wheel spoke nut bore preparation method - Google Patents
A kind of steel wheel spoke nut bore preparation method Download PDFInfo
- Publication number
- CN104889232B CN104889232B CN201510202330.3A CN201510202330A CN104889232B CN 104889232 B CN104889232 B CN 104889232B CN 201510202330 A CN201510202330 A CN 201510202330A CN 104889232 B CN104889232 B CN 104889232B
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- level
- hemisphere
- hole
- extruding
- sections
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/32—Perforating, i.e. punching holes in other articles of special shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/26—Making other particular articles wheels or the like
- B21D53/32—Making other particular articles wheels or the like wheel covers
Abstract
The invention discloses a kind of steel wheel spoke nut bore preparation method, the nut bore that the preparation method is made is not inclined, and nut seat hole strength is high.The medial surface of wheel spoke is fixedly mounted on horizontally disposed lower template upper surface, first nut seat screw rod level hole is got on wheel spoke, then the upper port in nut seat screw rod level hole gets nut seat circular cone level hole, nut seat hemisphere level hole is got in nut seat circular cone level hole again, then the inner core of cylinder level pressing mold is allowed to be enclosed within positioning punch post and the lug edge of nut seat hemisphere level hole upper port is down extruded by pressing down, stop pushing for cylinder level pressing mold when the outer tube lower end of cylinder level pressing mold is squeezed, the result that positioning punch post is pressed down is so that lug along height step-down, so that the lug of nut seat hemisphere level hole upper port is along highly equal.
Description
Technical field
The present invention relates to nut bore manufacture technology field, and in particular to a kind of steel wheel spoke nut bore making side
Method.
Background technology
Steel wheel spoke nut bore preparation method is typically all to be carried out using the method for manual directly punching at present, uses
Make steel wheel spoke nut bore by hand, due to manufacturing process percussion power power thrusts and nut bore center line not
Parallel so that the nut bore that makes has inclination, cause the center line of nut bore to exist and incline or nut bore
Center line be not arranged on the same straight line, and also result in the lug of nut seat outer end of hole mouth surrounding along uneven thickness, not only
Impact is used, and has an effect on the intensity of nut bore.
Content of the invention
The present invention is to adopt manual directly punching making to solve the making of existing steel wheel spoke nut bore, easily goes out
There is inclination in the nut bore that now makes, cause the center line of nut bore to there is the center line of inclination or nut bore
It is not arranged on the same straight line, the lug for also resulting in nut seat outer end of hole mouth surrounding affects the use of nut bore along uneven thickness
With the deficiency of the intensity of nut bore, a kind of nut bore that makes is provided and there is no inclination, the center line of nut bore
There is no inclination, on same straight line, the lug of nut seat outer end of hole mouth surrounding is equal along thickness for the center line of nut bore
Even, a kind of high steel wheel spoke nut bore preparation method of nut seat hole strength.
Above technical problem is solved by following technical proposal：
A kind of steel wheel spoke nut bore preparation method, including nut bore producing device, nut bore makes dress
Put the lower surface including upper surface with wheel spoke to match and horizontally disposed lower template, need to beat nut seat in wheel spoke
Screw rod level punching die hole is provided with lower template at hole straight down, in the right and left lower template of screw rod level punching die hole
It is provided with guide screw bar on surface respectively straight up, further respectively has two locking screws mated with two guide screw bars
Female；Also include the screw rod level punching punch post matched with screw rod level punching die hole；Also include circular cone level punching punch post and
A number ring shaped die mold plate；Circular cone level punching punch post includes that center line all falls within No. one on same straight line from top to bottom successively
Spiro rod section, conical section and a construction section, and a spiro rod section is cylindrical shape, and conical section is up big and down small cone
Shape, a construction section are cylindrical shape, and the diameter of a spiro rod section is equal to the diameter of screw rod level punching punch post, a construction section
The punch post that punches with diameter greater than screw rod level diameter, the upper end of the lower end of conical section and a spiro rod section is linked to be in one, circle
The upper end of cone section is linked to be in one with the lower end of a construction section；The inner ring diameter of a number ring shaped die mold plate is punched equal to circular cone level
The diameter of a number construction section of punch post, the inner ring lower port along a ring shaped die mold plate is under the inner ring of a ring shaped die mold plate
Port takes groove in trumpet-shaped No. one to being externally provided with, and an inwall for taking groove in is inclined from inside to outside, and one
Number ring shaped die mold plate is provided with a pilot hole corresponding with guide screw bar；Also include hemisphere level punching punch post, hemisphere level
Punching punch post includes that center line all falls within No. two spiro rod sections on same straight line, No. two hemisphere sections and two from top to bottom successively
Number construction section, and No. two spiro rod sections are cylindrical shape, and No. two hemisphere sections are the face-down hemisphere shape of hemisphere, No. two construction sections
For cylindrical shape, the diameter of No. two spiro rod sections is equal to the diameter of a spiro rod section, and the diameter of No. two construction sections is equal to an installation
The diameter of section, the upper end of the lower end of No. two hemisphere sections and No. two spiro rod sections are linked to be in one, the upper end of No. two hemisphere sections with No. two
The lower end of construction section is linked to be in one；Also include to position punch post, positioning punch post includes that center line all falls from top to bottom successively
No. three spiro rod sections, No. three hemisphere sections and No. three guide sections on same straight line, and No. three spiro rod sections are cylindrical shape, three
Number hemisphere section is the face-down hemisphere shape of hemisphere, and No. three guide sections are cylindrical shape, and the diameter of No. three spiro rod sections is equal to No. two
The diameter of spiro rod section, the diameter of No. three hemisphere sections are equal to the diameter of No. two hemisphere sections, and the diameter of No. three guide sections is pacified equal to No. two
The diameter of dress section, the lower end of No. three hemisphere sections are linked to be in one, the upper end of No. three hemisphere sections and three with the upper end of No. three spiro rod sections
The lower end of number guide section is linked to be in one；External screw thread is provided with No. three spiro rod sections；Also include and the outer spiral shell on No. three spiro rod sections
The fastening bolt of line coupling；Also include cylinder level pressing mold, the inner diameter of steel flue of cylinder level pressing mold is equal to the diameter of No. three guide sections, circle
The outer barrel diameter of cylinder level pressing mold takes groove lower port diameter 2-6 millimeter in more than No. one, the inner core lower port of cylinder level pressing mold to
Being externally provided with and groove being taken in trumpet-shaped No. two, No. two inwalls for taking groove in are inclined from inside to outside, and No. two are taken in groove
Inwall gradient from inside to outside is less than a gradient for taking groove inner wall in from inside to outside；Also include No. two ring shaped die molds
Plate, the inner ring diameter of No. two ring shaped die mold plates are equal to the outer barrel diameter of cylinder level pressing mold, be provided with No. two ring shaped die mold plates with
Corresponding No. two pilot holes of guide screw bar；
Preparation method suitable for the nut bore producing device is as follows:The lower surface of wheel spoke is fixedly mounted on
On horizontally disposed lower template upper surface, and punching die hole alignment wheel spoke is allowed to need to beat at nut bore；Then spiral shell
Wheel spoke upper surface of the bar level punching punch post from directly over punching die hole is vertically down punched, and makes the punching of screw rod level convex
Mould post lower end enters vertically into punching die in the hole, so as to get nut seat screw rod level hole on wheel spoke, gets nut seat
Screw rod level punching punch post is removed behind screw rod level hole；Then by guide screw bar and locking nut a ring shaped die mold plate
It is pressed abd fixed on wheel spoke upper surface, then allows a spiro rod section down circular cone level punching punch post be pressed from an annular
The inner ring of template is entered in nut seat screw rod level hole, by conical section with circular cone level punching punch post to nut seat screw rod level hole
Upper port carry out circular cone level extruding punching, get nut seat circular cone level hole so as to the upper port in nut seat screw rod level hole, and
And the depth in nut seat circular cone level hole is 0.3-0.5 times of nut seat screw rod level hole depth, gets handle behind nut seat circular cone level hole
Circular cone level punching punch post is removed；Then No. two spiro rod sections are allowed down hemisphere level punching punch post from a ring shaped die mold plate
Inner ring is entered in nut seat circular cone level hole, nut seat circular cone level hole is entered by No. two hemisphere section hemisphere levels punching punch posts
The extruding punching of row hemisphere level, so as to get nut seat hemisphere level hole, and nut seat hemisphere level hole in nut seat circular cone level hole
The bottom in bottom and nut seat circular cone level hole is punched hemisphere level after getting nut seat hemisphere level hole in same level respectively
Punch post and a ring shaped die mold plate are removed；Then by guide screw bar and locking nut solid for No. two ring shaped die mold plate compressions
It is scheduled on wheel spoke upper surface；Then No. three spiro rod sections are allowed down positioning punch post to be entered from the inner ring of No. three ring shaped die mold plates
The outer surface of No. three hemisphere sections is made closely to be adjacent on the inwall in nut seat hemisphere level hole after entering, and by from nut seat screw rod level
No. three spiro rod sections that hole lower end is stretched out and fastening bolt fix positioning punch post；Then the inner core of cylinder level pressing mold is allowed to be enclosed within
The lug edge of nut seat hemisphere level hole upper port is down extruded on positioning punch post and by pressing down, when cylinder level pressing mold
Outer tube lower end stop pushing for cylinder level pressing mold when being squeezed, position the result that punch post presses down and be so that lug edge
Height step-down, so that the lug of nut seat hemisphere level hole upper port is along highly equal.
There is no inclination in the nut bore that this programme is made, the center line of nut bore does not have inclination, nut seat
, on same straight line, the lug of nut seat outer end of hole mouth surrounding is uniform along thickness, nut seat hole strength for the center line in hole
High.
Preferably, the vertical bar being provided with below lower template with the centerline parallel of screw rod level punching die hole, perpendicular
On straight-bar, adjustable sliding is fixed with baffle plate, and the upper surface of baffle plate is perpendicular to the center line of screw rod level punching die hole,
Baffle plate is with screw rod level punching die hole just to arrangement；The bottom of a number spiro rod section is provided with a half-via, in a half-via
It is provided with an extruding and switch is disconnected, squeeze buttons of an extruding disconnection switch stretches out the outer 0.05-0.1 milli of a half-via
Rice, and extruding disconnects number extruding when setting more than extruding force of the pressure that is subject to of squeeze buttons of switch and disconnects
Switch is off, and the pressure that squeeze buttons of an extruding disconnection switch are subject to is less than No. one when setting extruding force
Extruding disconnection switch is in the conduction state, and an extruding disconnects the Powered Propulsion that switch is connected in series in circular cone level punching punch post
On the electric power loop of cylinder；After the bottom of a spiro rod section of circular cone level punching punch post is pressed on baffle plate, if No. one is squeezed
On pressure button, number extruding when setting more than extruding force of suffered pressure disconnects switch and is off, so that circle
The electric power loop of the power driving cylinder of cone level punching punch post is off, the Powered Propulsion of circular cone level punching punch post
Cylinder quits work, and circular cone level punching punch post stops moving down, and circular cone level punching punch post terminates the spiral shell to wheel spoke
The drilling operation in female seat circular cone level hole.This limit method by an extruding disconnection switch is come punch post that circular cone level is punched
Power driving cylinder carry out the automatically controlled mode of power on/off, as long as adjust baffle plate upper surface to lower template screw rod level punching recessed
The distance of nib lower port can control the depth in the nut seat circular cone level hole that gets, and improve the reliability of nut seat hole strength
Property.
Preferably, the vertical bar being provided with below lower template with the centerline parallel of screw rod level punching die hole, perpendicular
On straight-bar, adjustable sliding is fixed with baffle plate, and the upper surface of baffle plate is perpendicular to the center line of screw rod level punching die hole,
Baffle plate is with screw rod level punching die hole just to arrangement；The bottom of No. two spiro rod sections is provided with No. two half-vias, in No. two half-vias
It is provided with No. two extruding and switch is disconnected, No. two squeeze buttons of No. two extruding disconnection switches stretches out the outer 0.05-0.1 milli of No. two half-vias
Rice, and No. two extruding disconnect No. two extruding when setting more than extruding force of the pressure that is subject to of No. two squeeze buttons of switch and disconnect
Switch is off, and the pressure that No. two squeeze buttons of No. two extruding disconnection switches are subject to is less than No. two when setting extruding force
Extruding disconnection switch is in the conduction state, and No. two extruding disconnect the Powered Propulsion that switch is connected in series in hemisphere level punching punch post
On the electric power loop of cylinder；After the bottom of No. two spiro rod sections of hemisphere level punching punch post is pressed on baffle plate, if No. two are squeezed
On pressure button, No. two extruding when setting more than extruding force of suffered pressure disconnect switch and are off, so that half
The electric power loop of the power driving cylinder of ball level punching punch post is off, the Powered Propulsion of hemisphere level punching punch post
Cylinder quits work, and hemisphere level punching punch post stops moving down, and hemisphere level punching punch post terminates the spiral shell to wheel spoke
The drilling operation in female seat hemisphere level hole.
This limit method by No. two extruding disconnection switches is come the power driving cylinder of punch post that hemisphere level is punched
Carry out the automatically controlled mode of power on/off, if adjust baffle plate upper surface to lower template screw rod level punching die hole lower port away from
From the depth that can control the nut seat hemisphere level hole that gets, the reliability of nut seat hole strength is improve.
Preferably, No. three half-vias are provided with respectively straight up at the left and right two ends of the outer tube lower end of cylinder level pressing mold,
No. three extruding being respectively equipped with each No. three half-via and disconnecting switch, two No. three extruding disconnect No. three squeeze buttons of switch
Stretch out the outer 0.05-0.1 millimeter of No. three half-vias respectively, and No. three extruding disconnect the pressure that No. three squeeze buttons of switch are subject to
When setting more than extruding force, No. three extruding disconnect switch and are off, and No. three extruding of No. three extruding disconnection switches are pressed
The pressure that button is subject to is in the conduction state less than No. three extruding disconnection switches when setting extruding force, and two No. three extruding disconnect switch
On the electric power loop of the power driving cylinder for being connected in cylinder level pressing mold in parallel；When the outer tube lower end of cylinder level pressing mold is pressed in nut
Behind the lug edge of seat hemisphere level hole upper port, if suffered pressure in two No. three squeeze buttons is setting extruding respectively
When more than power, then two No. three extruding disconnect switch and are in off-state, so that the Powered Propulsion of cylinder level pressing mold
The electric power loop of cylinder is off, and the power driving cylinder of cylinder level pressing mold quits work, cylinder level pressing mold stop to
Lower movement, cylinder level pressing mold terminate the squeeze job to nut seat hemisphere level hole upper port lug edge.
This extruding by two No. three disconnects the limit method for switching to enter the power driving cylinder of cylinder level pressing mold
The automatically controlled mode of row power on/off, it is ensured that cylinder level pressing mold extrudes degree to nut seat hemisphere level hole upper port lug edge, significantly
Improve the reliability of nut seat hole strength.
Preferably, the angle of conical section is 40-45 degree.The nut seat circular cone level that the conical section of this angled arrangement is got
The lug of hole open upper end is uniform along thickness, high so as to ensure the nut seat hole strength that following process goes out.
The present invention can reach following effect：
There is no inclination in the nut bore that the present invention makes, the center line of nut bore does not have inclination, nut seat
, on same straight line, the lug of nut seat outer end of hole mouth surrounding is uniform along thickness, and nut seat hole strength is high for the center line in hole.
Low cost of the present invention, production efficiency are high, and reliability is high.
Description of the drawings
Fig. 1 to be ready starting a kind of use state attachment structure for beating nut seat screw rod level hole on wheel spoke for the present invention
Schematic diagram.
A kind of use state attachment structure that Fig. 2 just beats nut seat screw rod level hole for the present invention on wheel spoke is illustrated
Figure.
Fig. 3 has been equipped with a kind of attachment structure schematic diagram in nut seat screw rod level hole on wheel spoke for the present invention.
Fig. 4 is about to one kind use that the upper port started in nut seat screw rod level hole beats nut seat circular cone level hole for the present invention
State attachment structure schematic diagram.
A kind of use state that Fig. 5 beats nut seat circular cone level hole for upper port of the present invention just in nut seat screw rod level hole connects
Connect structural representation.
Fig. 6 is equipped with a kind of connection knot in nut seat circular cone level hole for upper port of the present invention in nut seat screw rod level hole
Structure schematic diagram.
Fig. 7 to be ready starting a kind of use state company for beating nut seat hemisphere level hole in nut seat circular cone level in the hole for the present invention
Connect structural representation.
Fig. 8 is just beating a kind of use state attachment structure in nut seat hemisphere level hole for the present invention in nut seat circular cone level in the hole
Schematic diagram.
Fig. 9 is that the present invention is equipped with, in nut seat circular cone level in the hole, a kind of attachment structure signal that nut seat justifies half ball
Figure.
Figure 10 to be ready starting the lug of nut seat hemisphere level hole upper port to make along the one kind for down extruding for the present invention
Use state attachment structure schematic diagram.
Figure 11 is that the present invention uses shape the lug of nut seat hemisphere level hole upper port along the one kind for down extruding
State attachment structure schematic diagram.
Figure 12 is the present invention high along lug edge after down extruding for the lug of nut seat hemisphere level hole upper port
Spend a kind of attachment structure schematic diagram of step-down.
Figure 13 is a kind of vertical view attachment structure schematic diagram of the nut bore of the present invention on steel wheel spoke.
Figure 14 arranges an extruding for the bottom of a spiro rod section of circular cone level punching punch post of the present invention and disconnects switch
A kind of attachment structure schematic diagram.
Figure 15 is that number extruding of the present invention disconnects the power driving cylinder that switch is connected in series in circular cone level punching punch post
Electric power loop on a kind of circuit theory attachment structure schematic block diagram.
Specific embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment, a kind of steel wheel spoke nut bore preparation method, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6,
Shown in Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15.Including nut bore producing device, nut bore system
Include that upper surface and the lower surface of wheel spoke 1 match and horizontally disposed lower template 2 as device, need to beat in wheel spoke
Screw rod level punching die hole 3 is provided with lower template at nut bore straight down, right and left in screw rod level punching die hole
It is provided with guide screw bar 4 on lower template upper surface respectively straight up, further respectively has two mated with two guide screw bars
Locking nut 5；Also include the screw rod level punching punch post 6 matched with screw rod level punching die hole；Also include that circular cone level is beaten
Hole punch post 7 and a ring shaped die mold plate 8；Circular cone level punching punch post includes that center line all falls within same from top to bottom successively
A spiro rod section 9, conical section 10 and a construction section 11 on straight line, and a spiro rod section is cylindrical shape, and conical section is
Up big and down small cone shape, the angle of conical section is 40-45 degree, and construction section is cylindrical shape, a spiro rod section straight
Footpath is equal to the diameter of screw rod level punching punch post, the diameter of the punch post that punches with diameter greater than screw rod level of a construction section, circular cone
The lower end of section is linked to be in one with the upper end of a spiro rod section, and the upper end of conical section is linked to be in one with the lower end of a construction section
Body；The inner ring diameter of a number ring shaped die mold plate is equal to the diameter of a circular cone level punching punch number construction section of post, along an annular
The inner ring lower port of pressuring template a ring shaped die mold plate 12 lower port of inner ring to be externally provided with trumpet-shaped No. one take in recessed
Groove 13, and an inwall for taking groove in inclined from inside to outside, and be provided with a ring shaped die mold plate and guide screw bar
A corresponding pilot hole 14；Also include hemisphere level punching punch post 15, hemisphere level punching punch post includes from top to bottom successively
Center line all falls within 16, No. two hemisphere sections 17 of No. two spiro rod sections and No. two construction sections 18 on same straight line, and No. two spiral shells
Bar segment is cylindrical shape, and No. two hemisphere sections are the face-down hemisphere shape of hemisphere, and No. two construction sections are cylindrical shape, No. two screw rods
The diameter of section is equal to the diameter of a spiro rod section, and the diameter of No. two construction sections is equal to the diameter of a construction section, No. two hemisphere sections
The upper end of lower end and No. two spiro rod sections be linked to be in one, the upper end of No. two hemisphere sections is linked to be in one with the lower end of No. two construction sections
Body；Also include to position punch post 19, positioning punch post includes that center line all falls within three on same straight line from top to bottom successively
Number 20, No. three hemisphere sections 21 of spiro rod section and No. three guide sections 22, and No. three spiro rod sections are cylindrical shape, and No. three hemisphere sections are half
Sphere hemisphere shape directed downwardly, No. three guide sections are cylindrical shape, and the diameter of No. three spiro rod sections is equal to the diameter of No. two spiro rod sections,
The diameter of No. three hemisphere sections is equal to the diameter of No. two hemisphere sections, and the diameter of No. three guide sections is equal to the diameter of No. two construction sections, and three
Number lower end of hemisphere section and the upper end of No. three spiro rod sections are linked to be in one, under the upper end of No. three hemisphere sections and No. three guide sections
End is linked to be in one；External screw thread is provided with No. three spiro rod sections；Also include the fastening that mates with the external screw thread on No. three spiro rod sections
Bolt 23；Also include cylinder level pressing mold 24,25 diameter of inner core of cylinder level pressing mold is equal to the diameter of No. three guide sections, cylinder level pressure
The outer barrel diameter of mould takes groove lower port diameter 2-6 millimeter in more than No. one, and the inner core lower port of cylinder level pressing mold is to being externally provided with
Groove 26 is taken in trumpet-shaped No. two, No. two inwalls for taking groove in are inclined from inside to outside, and No. two are taken in groove inner wall
Gradient from inside to outside is less than a gradient for taking groove inner wall in from inside to outside；Also include No. two ring shaped die mold plates 27,
28 diameter of inner ring of No. two ring shaped die mold plates is equal to the outer barrel diameter of cylinder level pressing mold, is provided with and leads on No. two ring shaped die mold plates
To corresponding No. two pilot holes 29 of lead screw.
Preparation method suitable for nut bore producing device is as follows:
The lower surface of wheel spoke is fixedly mounted on horizontally disposed lower template upper surface, and allow punching die hole pair
Quasi- wheel spoke needs to beat at nut bore；Then the wheel spoke screw rod level punching punch post from directly over punching die hole
Upper surface is vertically down punched, and allows screw rod level punching punch post lower end enter vertically into punching die in the hole, so as in wheel
Nut seat screw rod level hole 30 is got on spoke, screw rod level punching punch post is removed after getting nut seat screw rod level hole；Then lead to
Cross guide screw bar and locking nut a ring shaped die mold plate is pressed abd fixed on wheel spoke upper surface, then allow a spiral shell
Bar segment is entered into circular cone level punching punch post in nut seat screw rod level hole, by circle from the inner ring of a ring shaped die mold plate down
Cone section carries out the extruding punching of circular cone level with circular cone level punching punch post to the upper port in nut seat screw rod level hole, so as in nut seat
The upper port in screw rod level hole gets nut seat circular cone level hole 31, and the depth in nut seat circular cone level hole is nut seat screw rod level hole
0.3-0.5 times of depth, after getting nut seat circular cone level hole removes circular cone level punching punch post；Then No. two spiro rod section courts are allowed
Lower hemisphere level punching punch post enter in nut seat circular cone level hole, by No. two hemisphere from the inner ring of a ring shaped die mold plate
Section carries out the extruding punching of hemisphere level with hemisphere level punching punch post to nut seat circular cone level hole, so as in nut seat circular cone level hole
Nut seat hemisphere level hole 32 is got, and the bottom in nut seat hemisphere level bottom hole end and nut seat circular cone level hole is in same level
On, respectively hemisphere level punching punch post and a ring shaped die mold plate is removed after getting nut seat hemisphere level hole；Then by leading
No. two ring shaped die mold plates are pressed abd fixed on wheel spoke upper surface to lead screw and locking nut；Then No. three spiro rod sections are allowed
The outer surface of No. three hemisphere sections is made closely to be adjacent in spiral shell after down positioning punch post being entered from the inner ring of No. three ring shaped die mold plates
On the inwall in female seat hemisphere level hole, and by No. three spiro rod sections stretched out from nut seat screw rod level hole lower end and fastening bolt fixed
Position punch post is fixed；Then nut seat hemisphere by allowing the inner core of cylinder level pressing mold be enclosed within positioning punch post and press down
The lug of level hole upper port is down extruded along 33, stops cylinder level pressing mold when the outer tube lower end of cylinder level pressing mold is squeezed
Push, position the result that presses down of punch post and be so that lug along height step-down, so that on nut seat hemisphere level hole
The lug of port is along highly equal.
The vertical bar 34 being provided with below lower template with the centerline parallel of screw rod level punching die hole, can in vertical bar
Mode slides and is fixed with baffle plate 35, and the upper surface of baffle plate is punched perpendicular to screw rod level the center line of die hole, baffle plate with
Screw rod level punching die hole is just to arrangement；The bottom of a number spiro rod section is provided with a half-via 36, is provided with a half-via
A number extruding disconnects switch 37, and squeeze buttons 38 of an extruding disconnection switch stretch out the outer 0.05-0.1 milli of a half-via
Rice, and extruding disconnects number extruding when setting more than extruding force of the pressure that is subject to of squeeze buttons of switch and disconnects
Switch is off, and the pressure that squeeze buttons of an extruding disconnection switch are subject to is less than one when setting extruding force
Number extruding disconnect switch in the conduction state, No. one extruding disconnect switch be connected in series in circular cone level punching punch post power push away
On the electric power loop 40 of inlet casing 39；
After the bottom of a spiro rod section of circular cone level punching punch post is pressed on baffle plate, if institute in squeeze buttons
The pressure being subject to number extruding when setting more than extruding force disconnects switch and is off, so that the punching of circular cone level is convex
The electric power loop of the power driving cylinder of mould post is off, and the power driving cylinder of circular cone level punching punch post stops work
Make, circular cone level punching punch post stops moving down, circular cone level punching punch post terminates the nut seat circular cone level to wheel spoke
The drilling operation in hole.This limit method by an extruding disconnection switch is come the Powered Propulsion of punch post that circular cone level is punched
Cylinder carries out the automatically controlled mode of power on/off, as long as adjusting screw rod level punching die hole lower port of the baffle plate upper surface to lower template
Distance can control the depth in nut seat circular cone level hole that gets, improve the reliability of nut seat hole strength.
The bottom of No. two spiro rod sections is provided with No. two half-vias, is provided with No. two extruding disconnections and switchs in No. two half-vias, and two
Number extruding disconnects No. two squeeze buttons of switch and stretches out the outer 0.05-0.1 millimeter of No. two half-vias, and No. two extruding disconnect switch
The pressure that is subject to of No. two squeeze buttons when setting more than extruding force No. two extruding disconnect switches and be off, No. two are squeezed
Breaking out the pressure that No. two squeeze buttons of switch are subject to and switches being disconnected less than No. two extruding when setting extruding force be on shape
State, No. two extruding are disconnected on the electric power loop of the power driving cylinder that switch is connected in series in hemisphere level punching punch post；When half
After the bottom of No. two spiro rod sections of ball level punching punch post is pressed on baffle plate, if suffered pressure in No. two squeeze buttons exists
When setting more than extruding force, No. two extruding disconnect switch and are off, so that the power of hemisphere level punching punch post is pushed away
The electric power loop of inlet casing is off, and the power driving cylinder of hemisphere level punching punch post quits work, and hemisphere level is beaten
Hole punch post stops moving down, and hemisphere level punching punch post terminates the punching in the nut seat hemisphere level hole to wheel spoke and makees
Industry.This limit method for disconnecting switch by No. two extruding leads to come the power driving cylinder of punch post that hemisphere level is punched
Power-off electric prosecutor formula, as long as adjust the distance of screw rod level punching die hole lower port of the baffle plate upper surface to lower template
The depth in the nut seat hemisphere level hole that control is got, improves the reliability of nut seat hole strength.
No. three half-vias are provided with respectively straight up at the left and right two ends of the outer tube lower end of cylinder level pressing mold, at each No. three
No. three extruding being respectively equipped with half-via and disconnecting switch, No. three squeeze buttons of two No. three extruding disconnection switches stretch out three respectively
The outer 0.05-0.1 millimeter of number half-via, and the pressure that No. three extruding No. three squeeze buttons disconnecting switch are subject to extruded in setting
When more than power, No. three extruding disconnect switch and are off, and No. three extruding disconnect the pressure that No. three squeeze buttons of switch are subject to
In the conduction state less than No. three extruding disconnection switches when setting extruding force, two No. three extruding disconnect switch in parallel and are connected to circle
On the electric power loop of the power driving cylinder of cylinder level pressing mold；When the outer tube lower end of cylinder level pressing mold is pressed on nut seat hemisphere level hole
Behind the lug edge of port, if suffered pressure in two No. three squeeze buttons is respectively when setting more than extruding force, that
Two No. three extruding disconnect switch and are in off-state, so that the power supply of the power driving cylinder of cylinder level pressing mold is returned
Road is off, and the power driving cylinder of cylinder level pressing mold quits work, and cylinder level pressing mold stops moving down, cylinder level
Pressing mold terminates the squeeze job to nut seat hemisphere level hole upper port lug edge.This disconnection by two No. three extruding is switched
Limit method carrying out the automatically controlled mode of power on/off to the power driving cylinder of cylinder level pressing mold, it is ensured that cylinder level pressing mold is to spiral shell
Female seat hemisphere level hole upper port lug substantially increases the reliability of nut seat hole strength along extruding degree.
There is no inclination in the nut bore that the present invention makes, the center line of nut bore does not have inclination, nut seat
, on same straight line, the lug of nut seat outer end of hole mouth surrounding is uniform along thickness, the nut of nut bore for the center line in hole
Seat section depth can control, and nut seat hole strength is high.
The embodiments of the present invention above in conjunction with Description of Drawings, but do not limited by above-described embodiment when realizing, this area
Those of ordinary skill can make a variety of changes within the scope of the appended claims or change.
Claims (5)
1. a kind of steel wheel spoke nut bore preparation method, it is characterised in that including nut bore producing device, nut seat
Hole producing device includes upper surface and wheel spoke（1）Lower surface match and horizontally disposed lower template（2）, in vehicle wheel
Spoke needs to be provided with screw rod level punching die hole in the lower template that beats at nut bore straight down（3）, in screw rod level punching die
Hole is provided with guide screw bar on right and left lower template upper surface respectively straight up（4）, further respectively have and two guiding spiral shells
Two locking nuts of screw mandrel coupling（5）；
Also include the screw rod level punching punch post matched with screw rod level punching die hole（6）；
Also include circular cone level punching punch post（7）With a ring shaped die mold plate（8）；Circular cone level punching punch post is from top to bottom successively
A spiro rod section on same straight line is all fallen within including center line（9）, conical section（10）With a construction section（11）, and one
Number spiro rod section is cylindrical shape, and conical section is up big and down small cone shape, and a construction section is cylindrical shape, a spiro rod section
Diameter be equal to screw rod level punch punch post diameter, a construction section with diameter greater than screw rod level punch punch post diameter,
The upper end of the lower end of conical section and a spiro rod section is linked to be in one, the lower end of the upper end of conical section and a construction section be linked to be in
Integrally；The inner ring diameter of a number ring shaped die mold plate is equal to the diameter of a circular cone level punching punch number construction section of post, along a ring
The inner ring lower port of shape pressuring template is in the inner ring of a ring shaped die mold plate（12）Lower port to be externally provided with trumpet-shaped No. one hold
Stay groove（13）, and an inwall for taking groove in inclined from inside to outside, and be provided with and guiding on a ring shaped die mold plate
The corresponding pilot hole of lead screw（14）；
Also include hemisphere level punching punch post（15）, it is same that hemisphere level punching punch post includes that center line all falls within from top to bottom successively
No. two spiro rod sections on straight line（16）, No. two hemisphere sections（17）With No. two construction sections（18）, and No. two spiro rod sections are circle
Bar shape, No. two hemisphere sections are the face-down hemisphere shape of hemisphere, and No. two construction sections are cylindrical shape, the diameter of No. two spiro rod sections
Equal to the diameter of a spiro rod section, the diameter of No. two construction sections is equal to the diameter of a construction section, the lower end of No. two hemisphere sections with
The upper end of No. two spiro rod sections is linked to be in one, and the upper end of No. two hemisphere sections is linked to be in one with the lower end of No. two construction sections；
Also include to position punch post（19）, positioning punch post includes that center line is all fallen within same straight line from top to bottom successively
No. three spiro rod sections（20）, No. three hemisphere sections（21）With No. three guide sections（22）, and No. three spiro rod sections are cylindrical shape, three and half
Ball section is the face-down hemisphere shape of hemisphere, and No. three guide sections are cylindrical shape, and the diameter of No. three spiro rod sections is equal to No. two screw rods
The diameter of section, the diameter of No. three hemisphere sections are equal to the diameter of No. two hemisphere sections, and the diameter of No. three guide sections is equal to No. two construction sections
Diameter, the upper end of the lower end of No. three hemisphere sections and No. three spiro rod sections is linked to be in one, and the upper end of No. three hemisphere sections is led with No. three
It is linked to be in one to the lower end of section；External screw thread is provided with No. three spiro rod sections；Also include and the external screw thread on No. three spiro rod sections
The fastening bolt that joins（23）；Also include cylinder level pressing mold（24）, the inner core of cylinder level pressing mold（25）Diameter is equal to No. three guide sections
Diameter, the outer barrel diameter of cylinder level pressing mold takes groove lower port diameter 2-6 millimeter, the inner core of cylinder level pressing mold in more than No. one
Lower port takes groove in trumpet-shaped No. two to being externally provided with（26）, No. two inwalls for taking groove in are inclined from inside to outside, and
No. two are taken in groove inner wall gradient from inside to outside less than a gradient for taking groove inner wall in from inside to outside；Also include two
Number ring shaped die mold plate（27）, the inner ring of No. two ring shaped die mold plates（28）Diameter is equal to the outer barrel diameter of cylinder level pressing mold, at No. two
Ring shaped die mold plate is provided with No. two pilot hole corresponding with guide screw bar（29）；
Preparation method suitable for the nut bore producing device is as follows:
The lower surface of wheel spoke is fixedly mounted on horizontally disposed lower template upper surface, and allows punching die hole be directed at car
Wheel spoke needs to beat at nut bore；
Then the wheel spoke upper surface screw rod level punching punch post from directly over punching die hole is vertically down punched, and allows
Screw rod level punching punch post lower end enters vertically into punching die in the hole, so as to get nut seat screw rod level hole on wheel spoke
（30）, screw rod level punching punch post is removed after getting nut seat screw rod level hole；
Then a number ring shaped die mold plate is pressed abd fixed on wheel spoke upper surface by guide screw bar and locking nut, connects
And allow a spiro rod section down circular cone level punching punch post be entered into nut seat screw rod level from the inner ring of a ring shaped die mold plate
Kong Zhong, carries out the extruding punching of circular cone level by conical section with circular cone level punching punch post to the upper port in nut seat screw rod level hole,
Nut seat circular cone level hole is got so as to the upper port in nut seat screw rod level hole（31）, and the depth in nut seat circular cone level hole is
0.3-0.5 times of nut seat screw rod level hole depth, after getting nut seat circular cone level hole removes circular cone level punching punch post；
Then No. two spiro rod sections are allowed down hemisphere level punching punch post to be entered into nut seat from the inner ring of a ring shaped die mold plate
In circular cone level hole, the extruding of hemisphere level is carried out by No. two hemisphere sections to nut seat circular cone level hole with hemisphere level punching punch post and beat
Hole, so as to get nut seat hemisphere level hole in nut seat circular cone level hole（32）, and nut seat hemisphere level bottom hole end and nut
The bottom in seat circular cone level hole is got behind nut seat hemisphere level hole and respectively hemisphere level to be punched punch post and in same level
Number ring shaped die mold plate is removed；
Then No. two ring shaped die mold plates are pressed abd fixed on wheel spoke upper surface by guide screw bar and locking nut；Connect
The appearance for allowing No. three spiro rod sections that No. three hemisphere sections are made from the inner ring of No. three ring shaped die mold plates after down positioning punch post being entered
Face is closely adjacent on the inwall in nut seat hemisphere level hole, and by No. three spiro rod sections stretched out from nut seat screw rod level hole lower end
Positioning punch post is fixed with fastening bolt；Then the inner core of cylinder level pressing mold is allowed to be enclosed within positioning punch post and press down i.e.
Can be the lug edge of nut seat hemisphere level hole upper port（33）Down extrude, when the outer tube lower end of cylinder level pressing mold is squeezed
When stop the pushing of cylinder level pressing mold, position the result that punch post presses down and be so that lug along height step-down so that
The lug of nut seat hemisphere level hole upper port is along highly equal.
2. a kind of steel wheel spoke nut bore preparation method according to claim 1, it is characterised in that in lower mould
The vertical bar being provided with below plate with the centerline parallel of screw rod level punching die hole（34）, in vertical bar, adjustable sliding is fixed
It is provided with baffle plate（35）, and the upper surface of baffle plate, perpendicular to the center line of screw rod level punching die hole, baffle plate is punched with screw rod level
Die hole is just to arrangement；
The bottom of a number spiro rod section is provided with a half-via（36）, an extruding is provided with a half-via disconnects switch
（37）, squeeze buttons of an extruding disconnection switch（38）Stretch out the outer 0.05-0.1 millimeter of a half-via, and No. one
The pressure that number squeeze buttons of extruding disconnection switch are subject to number extruding when setting more than extruding force disconnects and switching in disconnected
Open state, the pressure that squeeze buttons of an extruding disconnection switch are subject to are opened less than number extruding disconnection when setting extruding force
Pass is in the conduction state, and an extruding disconnects the power driving cylinder that switch is connected in series in circular cone level punching punch post（39）'s
Electric power loop（40）On；
After the bottom of a spiro rod section of circular cone level punching punch post is pressed on baffle plate, if suffered in squeeze buttons
Pressure set extruding force more than when No. one extruding disconnect switch be off so that circular cone level punching punch post
The electric power loop of power driving cylinder be off, the power driving cylinder of circular cone level punching punch post quits work,
Circular cone level punching punch post stops moving down, and circular cone level punching punch post terminates the nut seat circular cone level hole to wheel spoke
Drilling operation.
3. a kind of steel wheel spoke nut bore preparation method according to claim 1, it is characterised in that in lower mould
The vertical bar being provided with below plate with the centerline parallel of screw rod level punching die hole（34）, in vertical bar, adjustable sliding is fixed
It is provided with baffle plate（35）, and the upper surface of baffle plate, perpendicular to the center line of screw rod level punching die hole, baffle plate is punched with screw rod level
Die hole is just to arrangement；
The bottom of No. two spiro rod sections is provided with No. two half-vias, is provided with No. two extruding and disconnects switch in No. two half-vias, and No. two are squeezed
No. two squeeze buttons for breaking out switch stretch out the outer 0.05-0.1 millimeter of No. two half-vias, and No. two extruding disconnect the two of switch
The pressure that number squeeze buttons are subject to No. two extruding when setting more than extruding force disconnect switches and are off, and No. two extruding are disconnected
The pressure that No. two squeeze buttons of switch are subject to is in the conduction state less than No. two extruding disconnection switches when setting extruding force, and two
Number extruding disconnect switch be connected in series in hemisphere level punching punch post power driving cylinder electric power loop on；
After the bottom of No. two spiro rod sections of hemisphere level punching punch post is pressed on baffle plate, if suffered in No. two squeeze buttons
Pressure set extruding force more than when No. two extruding disconnect switches be off so that hemisphere level punching punch post
The electric power loop of power driving cylinder be off, the power driving cylinder of hemisphere level punching punch post quits work,
Hemisphere level punching punch post stops moving down, and hemisphere level punching punch post terminates the nut seat hemisphere level hole to wheel spoke
Drilling operation.
4. a kind of steel wheel spoke nut bore preparation method according to claim 1, it is characterised in that in cylinder
The left and right two ends of the outer tube lower end of level pressing mold are provided with No. three half-vias respectively straight up, are set in each No. three half-via respectively
No. three extruding are had to disconnect switch, No. three squeeze buttons of two No. three extruding disconnection switches are stretched out outside No. three half-vias respectively
0.05-0.1 millimeter, and the pressure that No. three squeeze buttons of No. three extruding disconnection switches are subject to is when setting more than extruding force three
Number extruding disconnects switch and is off, and the pressure that is subject to of No. three squeeze buttons that No. three extruding disconnect switch is squeezed less than setting
During pressure, No. three extruding disconnection switches are in the conduction state, and two No. three extruding disconnect switch in parallel and are connected to cylinder level pressing mold
On the electric power loop of power driving cylinder；
After the outer tube lower end of cylinder level pressing mold is pressed in the lug edge of nut seat hemisphere level hole upper port, if two No. three are squeezed
On pressure button, suffered pressure is respectively when setting more than extruding force, then two No. three extruding disconnect switch and are in disconnecting
State, so that the electric power loop of the power driving cylinder of cylinder level pressing mold is off, the power of cylinder level pressing mold
Propulsion cylinder quits work, and cylinder level pressing mold stops moving down, and cylinder level pressing mold terminates to nut seat hemisphere level hole upper port
The squeeze job on lug edge.
5. a kind of steel wheel spoke nut bore preparation method according to claim 1, it is characterised in that conical section
Angle is 40-45 degree.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510202330.3A CN104889232B (en) | 2015-04-24 | 2015-04-24 | A kind of steel wheel spoke nut bore preparation method |
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| CN201510202330.3A CN104889232B (en) | 2015-04-24 | 2015-04-24 | A kind of steel wheel spoke nut bore preparation method |
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| CN104889232B true CN104889232B (en) | 2017-03-08 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2750914B1 (en) * | 1996-07-12 | 1998-10-09 | Mavic Sa | METHOD OF DRILLING A SPOKED RIM, RIM DRILLED ACCORDING TO THE METHOD, INSERT SUITABLE FOR EQUIPMENT ON THE RIM, AND WHEEL IN PARTICULAR FOR A CYCLE |
| FR2750913B1 (en) * | 1996-07-12 | 1998-10-09 | Mavic Sa | METHOD OF DRILLING A SPOKED RIM, RIM DRILLED ACCORDING TO THE METHOD, INSERT SUITABLE FOR EQUIPMENT ON THE RIM, AND WHEEL IN PARTICULAR FOR A CYCLE |
| DE102005019457B4 (en) * | 2005-04-25 | 2007-05-31 | Hayes Lemmerz Holding Gmbh | Method for producing a wheel disc |
| CN101412045A (en) * | 2008-11-21 | 2009-04-22 | 山东济宁车轮厂 | Method for processing wheel spoke nut seat hole |
| AU2010317662B2 (en) * | 2009-11-13 | 2014-04-17 | Michael Ferman | Wheel nut assembly |
| KR101795035B1 (en) * | 2011-05-26 | 2017-11-07 | 현대자동차주식회사 | Manufacture method of aluminium wheel for vehicle |
| CN202606550U (en) * | 2012-04-23 | 2012-12-19 | 河南赛尔车轮有限公司 | Car spoke nut extrusion forming die |
| CN202861029U (en) * | 2012-10-19 | 2013-04-10 | 济宁骏达机械制造有限公司 | Spoke nut seat hole bidirectional forming die |
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