CN108406352A - A kind of brake drum anvil hole processing and fixing device and method - Google Patents
A kind of brake drum anvil hole processing and fixing device and method Download PDFInfo
- Publication number
- CN108406352A CN108406352A CN201810125952.4A CN201810125952A CN108406352A CN 108406352 A CN108406352 A CN 108406352A CN 201810125952 A CN201810125952 A CN 201810125952A CN 108406352 A CN108406352 A CN 108406352A
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- Prior art keywords
- claw
- brake drum
- tooling
- mandril
- chuck
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
-
- 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
- B23Q3/08—Work-clamping means other than mechanically-actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to auto parts machinery manufacture field, a kind of brake drum anvil hole processing and fixing device and method are disclosed, includes the chuck and tooling of positioned internal device, includes the column and mandril of external positioning device.Present invention positioning bore position is accurate, and dimensional accuracy is high, fixation, and applicability is wide.
Description
Technical field
The invention belongs to auto parts machinery manufacture field more particularly to a kind of brake drum anvil hole processing and fixing device and methods.
Background technology
It is very crucial to the processing of braking surface in auto parts machinery brakes drum process, include the punching on braking surface,
The positioning in hole and size directly influence the processing quality of product.
In traditional brake drum process, the cylindric brake drum body of brake drum, Jin Ercong are typically blocked by chuck
Top carries out perforation processing to brake drum.The cylindric bulging body machining accuracy of brake drum it is difficult to ensure that, positioned according to drum body
Punching, can cause the accumulation of error, influence machining accuracy；In drill process, brake drum fixes the size essence for loosely influencing hole
Degree；For the drill bit and brake drum of punching when contact, brake drum is easy to happen bounce, influences the precision of processing.
Number of patent application is the Chinese patent of " 201010280668.8 ", is disclosed a kind of " machining tool for brake drum ", tool
It is improved the advantageous effect of Vehicle Processing braking surface, but there are still the positioning of brake drum anvil hole machined to be not allowed, fixes not for the technology
The defect in jail.
Invention content
The present invention provides a kind of brake drum anvil hole processing and fixing device, and boring positioning is accurate when having processing, brake drum is solid
Fixed secured advantage.
A kind of brake drum anvil hole processing and fixing device, including positioned internal device and external positioning device；Positioned internal fills
Set including chuck, tooling, chuck is fixed on table top, and chuck is equipped with claw, claw connecting chuck, by chuck support, claw by
Driving mechanism driving extends outwardly, and claw supports braking drum flange upwards（Drilling plane）, tooling is fixedly mounted on claw, work
External dress is arc surface structure, withstands the seam allowance of braking drum flange outward（The inner peripheral surface of drilling plane）；External positioning device
Including column and mandril, column is fixed on table top vertically, and column top connects mandril, and mandril leading head is arc-shaped knot
Structure, the outer circumference surface of brake drum braking surface is withstood from outside, and the position withstood is the slot on outer circumference surface.
In processing brake drum, under the cooperation driving of chuck, claw struts claw the present invention in the inside of brake drum, gives
Brake drum flange（Drilling plane）With support straight up；Fixed tooling on claw, outside is arc surface structure, in level
The seam allowance of braking drum flange is withstood on direction outward（The inner peripheral surface of drilling plane）.
Traditional brake drum processing, struts in the inside of brake drum for claw, directly withstands brake drum in the horizontal direction
Braking surface, on the basis of the braking surface circumference of brake drum, positioning braking drum flange（Drilling plane）Punch position.Because of system
It is not high to move bulging braking surface circumference dimension precision requirement in technique, and dimensional accuracy is difficult to control on processing and fabricating, institute
To give braking drum flange（Drilling plane）When being accurately positioned punching, prodigious error can be brought.
The present invention is using the tooling on claw, to brake the seam allowance of drum flange（The inner peripheral surface of drilling plane）On the basis of,
Positioning braking drum flange（Drilling plane）Punch position.In manufacture craft, the seam allowance of drum flange is braked（Drilling plane it is interior
Periphery）It generally after casting and forming, then finishes, dimensional accuracy is easy to control, and dimensional accuracy is high, so giving brake drum method
It is blue（Drilling plane）Registration when drilling.Moreover, in the technique for applying of brake drum, flange（Drilling plane）The position in upper hole
With the seam allowance of flange（The inner peripheral surface of drilling plane）It is closely related apart from size, according to the seam allowance of braking drum flange（Drilling is flat
The inner peripheral surface in face）On the basis of position bore position, moreover it is possible to partially remove the systematic error brought in process.
The present invention fixes brake drum in inside with claw and tooling, also fixes brake drum with mandril in outside, from vertical
It is multi-direction on body that positioning is fixed to brake drum, the movement of brake drum when preventing from processing.The especially circle of mandril leading head
Arcuate structure withstands the slot on the outer circumference surface of brake drum braking surface from outside, and contact surface increases greatly, and that withstands is secured, is drilling
When plane drills, the bounce of drilling plane is can effectively prevent, ensures the precision of punching.
Mandril of the present invention withstands the slot on the outer circumference surface of braking surface from outside, can be mandril horizontally or obliquely top top
Firmly slot, mandril ranging from 0 degree to 15 degree with the included angle of horizontal direction obliquely, preferably mandril flatly withstands slot,
The included angle of mandril and horizontal direction is 0 degree.
The angle of mandril obliquely is excessive, then the component of slot in the horizontal direction will subtract on mandril top circumference braking surface
It is small, it pushes up insecure, is also easy to skid.
Preferably, column of the present invention is fixed on table top vertically, column it is height-adjustable, column can be divided into upper pillar stand
And lower pillar stand, upper pillar stand, lower pillar stand are metallic plate, column is that two pieces of metallic plates coincide superposition, and lower pillar stand is fixed on table top,
Upper pillar stand lower end overlaps the upper end of lower pillar stand, is bolted connection, the number for the part that coincided according to two pieces of metallic plates,
The height of adjusting post.Column it is height-adjustable, then can be adapted for various various sizes of brake drums.
Preferably, in order to ensure the intensity of column, the material of column is cast iron, carbon steel, alloy steel or stainless steel, column gold
The thickness for belonging to plate is more than 0.5 centimetre.
Preferably, mandril of the present invention and column are dismountable connection structure, and mandril can be with dismounting and change.It processes different
Brake drum, the slot on the outer circumference surface of brake drum braking surface is also different, and the depth and width of slot, gullet degree are different, top
The arc-shaped structure of bar leading head adapts to the shape of various slots, mutually agrees with the shape of slot, preferably withstands brake drum, top
It is secured, non-slip.
Preferably, the length that mandril of the present invention stretches out（Length of the tie point of mandril and column to mandril leading head）It can
It adjusts, it can be to adapt to process various sizes of brake drum.
Preferably, mandril front end of the present invention（The tie point of mandril and column is to the part of mandril leading head）It can be arranged
There are spring, spring one end to connect column top, the other end connects mandril leading head, has trepanning, mandril to be opened from column on column
It is passed through at hole.Column has certain thickness, and trepanning is that horizontal direction or slightly-inclined are upward, and mandril passes through the trepanning of column, mandril
It is upward in level or slightly-inclined.Usual spring is in normal condition, when drilling processing, the outer circumference surface handle of brake drum braking surface
Mandril is compressed to back brace, compressed spring, spring, to mandril with forward power, on the outer circumference surface for withstanding brake drum braking surface
Slot.
Tooling of the present invention can be metal derby, be circular arc face structure outside tooling, tooling is bonded with claw.
Tooling of the present invention is specifically as follows cylinder type, splits cylinder type, fan type.
Tooling of the present invention can be one.
Tooling of the present invention may be several combination, is tooling external member, passes through mutually matched concaveconvex structure between tooling
It is fixedly connected, it is detachable between tooling.
Tooling of the present invention can be to be detachably connected with claw.
Tooling can be bolted to connection with claw, hole is respectively equipped in tooling and claw, bolt is also cross work
The hole of dress and claw, tightens bolt, fixes tooling and claw.
Tooling can be connected through a screw thread with claw, and tooling is equipped with convex thread, and claw is equipped with corresponding recessed screw thread hole,
Tooling and claw are screwed connection by convex-concave.
Tooling can be equipped with key with claw by key connection, tooling, and claw is equipped with corresponding keyway, tooling and claw
It is fixed together by keyway.
Tooling can be equipped with pin hole with claw by pin connection, tooling, and claw is equipped with corresponding pin hole, tooling and card
Pawl is fixedly connected by pin.
Tooling can be connected with claw by slot, and tooling is equipped with slot, and claw is forge piece of step type structure, tooling cooperation card
Embedding firmly claw, is bonded with claw.Tooling can also have mutually matched concaveconvex structure with claw, further make claw and tooling
Cooperation is close.
The mode being detachably connected, it is easy to disassemble, it can be suitably used for various various sizes of brake drums.
Claw of the present invention can be to be more than two, preferably 3 to 6.
Claw of the present invention is preferably symmetrical or along the round equally distributed structure of chuck hub.
Claw of the present invention can be forge piece of step type structure, or planarized structure, or sector structure.The present invention
Chuck, can be hand chuck, oild chuck, air spider, electric chuck.
The claw driving of the present invention can be hydraulic-driven, air pressure driving, electric drive, the driving of armstrong's patent gear.This
Invention claw and chuck can be that rack is connected.Chuck structure includes bevel gear wheel, bevel pinion, bevel pinion and big
Bevel gear engages, and the back side of bevel gear wheel has flat thread structure, claw decile to be mounted on flat thread.Drive bevel pinion
When movement, bevel gear wheel just rotates, and the flat thread at the bevel gear wheel back side just makes claw close or exit to center simultaneously.
It can specifically be moved by hydraulic-driven bevel pinion, Ke Yitong by pulling bevel pinion movement manually
Air pressure driving bevel pinion movement is crossed, bevel pinion movement can be driven by electric device.
The claw of the present invention coordinates chuck, can have the function of self-centering.Claw is synchronized outside support from central point, directly
Tooling outer circle globoidal structure on to claw withstands the seam allowance of braking drum flange outward（The inner peripheral surface of drilling plane）.
Hole or slot can be provided on claw of the present invention.Hole can be circular hole, be uniformly distributed in arc-shaped, correspond to braking
The position to be drilled on drum, Circularhole diameter are more than diameter hole to be drilled.Slot can be arc-shaped slot, be bored corresponding on brake drum
The width of the position in hole, arc-shaped slot is more than diameter hole to be drilled.Under conditions of claw supports brake drum upwards, to brake drum
Punch operation is carried out, after the drill bit of punching penetrates drilling plane, the position of drill bit alignment is hole or slot on claw, so drilling
Claw will not be caused to damage when processing.
Hole on claw of the present invention or slot, depth meet the drill bit extension elongation of bore process.
Hole or slot can not also be provided on claw of the present invention.The width of claw is smaller, and the drill bit of punching penetrates drilling and puts down
Behind face, the gap between claw and claw is pierced by, and will not be caused to damage to claw.Claw can also support drum portion
Length is shorter, after the drill bit of punching penetrates drilling plane, is pierced by before claw, does not reach claw.Claw may be
Step structure, it is the higher cascaded surface in position to support brake drum, after the drill bit of punching penetrates drilling plane, against claw position
Lower cascaded surface is set, the height of claw ladder provides movable space to drill bit.
Spring is also provided on table top of the present invention, for the spring when brake drum is processed, brake drum lower face is just
Pressing spring.
The number of springs can be 3 to 12, preferably uniformly divide along the bottom face of the circumference braking surface of brake drum
Cloth.
When processing, spring can provide buffering, the contact for preventing brake drum very stiff and demanding with table top, the drill bit of punching to brake drum
It when just touching drilling plane moment drill down, can effectively inhibit the bounce of brake drum drilling plane, ensure the essence of punching
Degree.
A kind of brake drum anvil hole machined fixing means, includes the following steps：
S1：Brake drum is lifted, flange face is kept（Drilling plane）Level is slowly fallen on claw in upper mode；
S2：It by claw under driving mechanism driving, is supportted outward from central synchronous, until arc surface is outside outside the tooling on claw
Withstand braking drum flange seam allowance（The inner peripheral surface of drilling plane）；
S3：The height for adjusting column, adjusts the extension elongation of mandril, mandril leading head is made to withstand brake drum braking surface excircle
On slot.
Preferably, in step S1, brake drum is fallen when on claw, and the braking surface circumference bottom face of brake drum is just pressed in
On the spring of table top, buffering is provided to brake drum.
Preferably, in step S3, mandril obliquely with ranging from 0 degree to 15 degree of the included angle of horizontal direction.
In step S2, claw supports under driving mechanism driving from central synchronous the present invention outward, until the tooling on claw
External arc surface withstands the flange seam allowance of brake drum outward（The inner peripheral surface of drilling plane）, at this point, brake drum is i.e. in claw
Under driving, the central alignment of brake drum is realized automatically, eliminates the adjustment of manpower, it is easy to operate.
Advantageous effect：
1, the present invention is on the basis of braking drum flange seam allowance, the bore position of positioning braking drum flange, accurate positioning, dimensional accuracy
It is high.
2, the present invention fixes brake drum in inside brake drum with claw and tooling, and braking is fixed with mandril in outside
Drum, is fixed positioning, fixedly securely from sterically multi-direction to brake drum.
3, the little spring being arranged on table top of the present invention can provide buffering when braking surface drills, and inhibit the jump of brake drum
It is dynamic, improve the precision of punching.
4, tooling and claw of the invention are dismountable structures, and the extension elongation and adjustable angle of external mandril can fit
It should be processed in the brake drum of different size model numbers, applicability is wide.
5, the present invention is easy to operate, and in the operation that claw supports outward from central synchronous, brake drum realizes center pair
Just, easy to operate, less manpower.
6, tooling of the present invention can be the structure of combination, adapt to the brake drum processing of different sizes and model.
Description of the drawings
Fig. 1 is the embodiment of the present invention 1, embodiment 2,10 structural schematic diagram of embodiment；
Fig. 2 is the embodiment of the present invention 3,11 structural schematic diagram of embodiment；
Fig. 3 is observation structure schematic diagram on the outside of brake drum；
Fig. 4 is observation structure schematic diagram on the inside of brake drum；
Fig. 5 is 4 structural schematic diagram of the embodiment of the present invention；
Fig. 6 is 5 structural schematic diagram of the embodiment of the present invention；
Fig. 7 is 6 structural schematic diagram of the embodiment of the present invention；
Fig. 8 is 7 structural schematic diagram of the embodiment of the present invention；
Fig. 9 is 8 structural schematic diagram of the embodiment of the present invention；
Figure 10 is 9 structural schematic diagram of the embodiment of the present invention；
Figure 11 is 9 structural schematic diagram of the embodiment of the present invention；
In figure, 1 brake drum, 11（B）Flange, 111（E）The lower face of flange, 112（C）Flange seam allowance, the hole on 113 flanges, 12
（H）Braking surface circumference, the slot on 121 braking surface circumference, 13（D）The bottom face of braking surface circumference；21 columns, 211 upper pillar stands,
212 lower pillar stands, 22 mandrils, 221 mandril leading heads, 222 mandril front springs, the angle of a mandrils and horizontal direction；3 chucks,
31 chuck seats, 32 claws, 33 claw driving mechanisms, 34 racks, drill on 36 claws recessing groove, and drill relief hole on 37 claws；4
Tooling, 40（K）Arc surface outside tooling, 411 tooling external members, 412 tooling external members；321 claws, 42 toolings, slot in 421 toolings；
322 claws, 43 toolings, slot in 431 toolings；5 springs.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 3, Figure 4, brake drum is drum organization, hollow, including flange, i.e. drilling plane 11（B）, brake drum braking
Face circumference 12（H）, brake drum braking surface circumference bottom face 13（D）；Flange technological requirement is burnishing surface structure, including flange
Lower face 111（E）, upper surface and flange seam allowance 112（C）It requires as burnishing surface structure；The braking surface circumference of brake drum
12（H）On have slot 121；Drilling plane（B）On need to drill, as hole 113；Flange seam allowance（C）It also requires to be circular structure,
Periphery is smooth.
Brake drum technique for applying is to flange seam allowance（C）Form and dimensional precision requires very high, the positions and dimensions of device to hole 113
Required precision is very high, moreover, for hole 113 along flange seam allowance（C）Circular distribution structure and the positional distance method in hole 113
Blue seam allowance（C）Size, require in technique also very high.
Traditional brake drum anvil hole operation technique is the braking surface circumference 12 with brake drum（H）It is positioned for size datum,
It is from braking surface circumference（H）Outside fix, position brake drum or from braking surface circumference（H）Inside come fix,
Brake drum is positioned, but all with braking surface circumference（H）Positioning for size datum adjustment drilling 113 and size.
Brake drum is generally casting and forming, braking surface circumference（H）Dimensional accuracy will not be too high, and in technique to braking
Face circumference（H）Precision it is also of less demanding, with braking surface circumference（H）Positioning for size datum adjustment drilling 113 and size, meeting
Positioning and size to hole 113 cause very big error.
As shown in Figure 1, a kind of brake drum anvil hole processing and fixing device, including positioned internal device and external positioning device；
Positioned internal device includes chuck 3, tooling 4, and chuck 3 is fixed on table top, and chuck 3 is equipped with claw 32,32 connecting chuck of claw
3, it is supported by chuck 3, claw 32 is extended outwardly by driving mechanism driving, and drum flange is braked in support to claw 32 upwards（Drilling plane）
11（B）, tooling 4 is fixedly mounted on claw 32, and 4 outside of tooling is arc surface structure, withstands the seam allowance of braking drum flange outward
（The inner peripheral surface of drilling plane）112（C）；External positioning device includes column 21 and mandril 22, and column 21 is fixed on platform vertically
On face, 21 top of column connects mandril 22, and mandril leading head 221 is arc-shaped structure, and brake drum braking surface is withstood from outside
Outer circumference surface 12（H）, the position withstood is the slot 121 on outer circumference surface.
Spring 5 is additionally provided on table top, quantity is 3, along the bottom face 13 of the braking surface circumference of brake drum（D）Uniformly
Distribution, in drilling processing, bottom face（D）Just pressing spring 5.
For the present embodiment in processing brake drum 1, claw 32 is under the cooperation driving of chuck 3, and claw 32 is in brake drum 1
Portion struts, and gives the drilling plane of brake drum（B）With support straight up；Fixed tooling 4 on claw 32, outside are circular arc
The seam allowance of braking drum flange is withstood in face outward in the horizontal direction（C）.
Traditional brake drum 1 is processed, and is strutted in the inside of brake drum 1 for claw 32, is directly withstood system in the horizontal direction
Move the braking surface circumference of drum（H）Inboard, with braking surface circumference（H）On the basis of, the position of location hole 113.Because of braking surface circumference
（H）Dimension precision requirement is not high in technique, and dimensional accuracy is difficult to control on processing and fabricating, so giving hole 113 essence
When determining position, prodigious error can be brought.
The present embodiment is using the tooling 4 on claw 32, with flange seam allowance（C）On the basis of, the position of location hole 113.It is making
Make in technique, flange seam allowance（C）It generally after casting and forming, then finishes, dimensional accuracy is easy to control, and dimensional accuracy is high, institute
With 113 registration of hole.Moreover, in the technique for applying of brake drum, position and the flange seam allowance in hole 113（C）It is close apart from size
Cut phase is closed, according to flange seam allowance（C）On the basis of 113 position of location hole, moreover it is possible to partially remove the system brought in process and miss
Difference.
The present embodiment fixes brake drum in inside with claw 32 and tooling 4, also fixes braking with mandril 22 in outside
Positioning is fixed to brake drum 1 from sterically multi-direction in drum 1, the movement of brake drum 1 when preventing from processing.Especially before mandril
The arc-shaped structure of end head 221 withstands circumference braking surface from outside（H）On slot, contact surface increases big, and that withstands is secured,
Drilling plane（B）When drilling, drilling plane can effectively prevent（B）Bounce, ensure punching precision.
The present embodiment spring 5 can be to the offer buffering of brake drum 1, the contact for preventing brake drum 1 very stiff and demanding with table top, punching
Drill bit has just touched drilling plane 11（B）When moment drill down, it can effectively inhibit brake drum drilling plane 11（B）Jump
It is dynamic, ensure the precision of punching.
Embodiment 2
As shown in Figure 1, a kind of brake drum anvil hole processing and fixing device, including positioned internal device and external positioning device；It is internal
Positioning device includes chuck 3, tooling 4, and chuck 3 is fixed on table top, chuck 3 be equipped with claw 32,32 connecting chuck 3 of claw, by
Chuck 3 supports, and claw 32 is extended outwardly by driving mechanism driving, and drum flange is braked in support to claw 32 upwards（Drilling plane）11
（B）, tooling 4 is fixedly mounted on claw 32, and 4 outside of tooling is arc surface structure, withstands the seam allowance of braking drum flange outward（It bores
The inner peripheral surface of hole plane）112（C）；External positioning device includes column 21 and mandril 22, and column 21 is fixed on table top vertically
On, 21 top of column connects mandril 22, and mandril leading head 221 is arc-shaped structure, and brake drum braking surface is withstood from outside
Outer circumference surface 12（H）, the position withstood is the slot 121 on outer circumference surface.
Mandril 22 withstands braking surface circumference from external water level land（H）On slot 121, the included angle of mandril and horizontal direction
A is 0 degree；Slot 121 has arc-shaped structure, and the arc-shaped structure of mandril leading head 221 and the arc-shaped structure of slot 121 are just
Agree with, increase contact area, pushes up securely, it is non-slip.
Column 21 is fixed on table top vertically, column 21 it is height-adjustable, column 21 divides for upper pillar stand 211 and lower pillar stand
212, upper pillar stand 211, lower pillar stand 212 are metallic plate, and column 21 is that two pieces of metallic plates coincide superposition, and lower pillar stand 212 is fixed on
On table top, 211 lower end of upper pillar stand overlaps the upper end of lower pillar stand 212, is bolted connection, is mutually overlapped according to two pieces of metallic plates
Close part number, the height of adjusting post.Column it is height-adjustable, be suitable for various various sizes of brake drums.Column
21 material is cast iron, and the thickness of 21 metallic plate of column is 0.5 centimetre.
Mandril 22 is dismountable connection structure, the length that mandril 22 can be stretched out with dismounting and change, mandril 22 with column 21
（Length of the tie point of mandril and column to mandril leading head）It is adjustable.Specially 22 front end of mandril（Mandril and column
Tie point is to the part of mandril leading head）It is provided with spring 222,222 one end of spring connects 21 top of column, other end connection
Mandril leading head 221 has trepanning, mandril 22 to be passed through from 21 tapping of column on column 21.Column 21 has certain thickness, opens
Hole is horizontal direction, and mandril 22 passes through the trepanning of column 21, mandril 22 to be in level.Usual spring 222 is in normal condition,
When drilling processing, the braking surface circumference 12 of brake drum（H）Mandril 22 to back brace, compressed spring 222, spring 222 is compressed, is given
Mandril 22 withstands the slot 121 on circumference braking surface with forward power.
Spring 5 is additionally provided on table top, quantity is 12, along the bottom face 13 of the circumference braking surface of brake drum（D）
Even distribution, in drilling processing, bottom face（D）Just pressing spring 4.When processing, spring 5 can provide buffering to brake drum 1, prevent
The drill bit of the only contact very stiff and demanding with table top of brake drum 1, punching has just touched drilling plane 11（B）When moment drill down,
Brake drum drilling plane 11 can effectively be inhibited（B）Bounce, ensure punching precision.
Embodiment 3
As shown in Fig. 2, a kind of brake drum anvil hole processing and fixing device, including positioned internal device and external positioning device；It is internal
Positioning device includes chuck 3, tooling 4, and chuck 3 is fixed on table top, chuck 3 be equipped with claw 32,32 connecting chuck 3 of claw, by
Chuck 3 supports, and claw 32 is extended outwardly by driving mechanism driving, and drum flange is braked in support to claw 32 upwards（Drilling plane）11
（B）, tooling 4 is fixedly mounted on claw 32, and 4 outside of tooling is arc surface structure, withstands the seam allowance of braking drum flange outward（It bores
The inner peripheral surface of hole plane）112（C）；External positioning device includes column 21 and mandril 22, and column 21 is fixed on table top vertically
On, 21 top of column connects mandril 22, and mandril leading head 221 is arc-shaped structure, and brake drum braking surface is withstood from outside
Outer circumference surface 12（H）, the position withstood is the slot 121 on outer circumference surface.
Mandril 22 withstands braking surface circumference from external oblique top（H）On slot 121, mandril obliquely with horizontal direction
Included angle a is 15 degree；Slot 121 has arc-shaped structure, the circular arc of the arc-shaped structure and slot 121 of mandril leading head 221
Shape structure is just agreed with, and contact area is increased, and pushes up securely, non-slip.The angle of mandril obliquely is excessive, then mandril tip circle
The component of slot in the horizontal direction will reduce on all braking surfaces, push up insecure, be also easy to skid.
Column 21 is fixed on table top vertically, column 21 it is height-adjustable, column 21 divides for upper pillar stand 211 and lower pillar stand
212, upper pillar stand 211, lower pillar stand 212 are metallic plate, and column 21 is that two pieces of metallic plates coincide superposition, and lower pillar stand 212 is fixed on
On table top, 211 lower end of upper pillar stand overlaps the upper end of lower pillar stand 212, is bolted connection, is mutually overlapped according to two pieces of metallic plates
Close part number, the height of adjusting post.Column it is height-adjustable, be suitable for various various sizes of brake drums.Column
21 material is steel alloy, and the thickness of 21 metallic plate of column is 1 centimetre.
Mandril 22 is dismountable connection structure, the length that mandril 22 can be stretched out with dismounting and change, mandril 22 with column 21
（Length of the tie point of mandril and column to mandril leading head）It is adjustable.Specially 22 front end of mandril（Mandril and column
Tie point is to the part of mandril leading head）It is provided with spring 222,222 one end of spring connects 21 top of column, other end connection
Mandril leading head 221 has trepanning, mandril 22 to be passed through from 21 tapping of column on column 21.Column 21 has certain thickness, opens
Hole is slightly-inclined upward direction, and mandril 22 passes through the trepanning of column 21,22 slightly-inclined of mandril upward.Usual spring 222 is in normal
State, when drilling processing, the braking surface circumference 12 of brake drum（H）Mandril 22 to back brace, compressed spring 222, spring 222 is pressed
Contracting withstands the slot 121 on braking surface circumference to mandril 22 with forward power.
Spring 5 is additionally provided on table top, quantity is 6, along the bottom face 13 of the braking surface circumference of brake drum（D）Uniformly
Distribution, in drilling processing, bottom face（D）Just pressing spring 5.When processing, spring 5 can provide buffering to brake drum 1, prevent
The drill bit of the contact very stiff and demanding with table top of brake drum 1, punching has just touched drilling plane 11（B）When moment drill down, energy
Effectively inhibit brake drum drilling plane 11（B）Bounce, ensure punching precision.
Embodiment 4
As shown in figure 5, a kind of brake drum anvil hole processing and fixing device, from depression angle, spring 5 is in outermost, quantity 10
It is a, it is circumferentially uniformly distributed, spring 5 supports the bottom face 13 of the braking surface circumference of brake drum（D）, when drilling processing prevents from making
Dynamic drum 1 contact very stiff and demanding with table top, to brake drum 1 to buffer；Chuck is hand chuck, oild chuck, air spider or electricity
Dynamic chuck, 32 quantity of claw are 3, and circumferentially average homogeneous is distributed；Claw 32 is driven to hydraulic-driven, air pressure drives, is electronic
Driving or the driving of armstrong's patent gear；Claw 32 is connected with chuck for rack, and chuck structure includes bevel gear wheel, small bevel gear
The back side of wheel, bevel pinion and bevel gear wheel engagement, bevel gear wheel has flat thread structure, 32 decile of claw to be mounted on plane spiral shell
On line, when driving bevel pinion movement, bevel gear wheel just rotates, the flat thread at the bevel gear wheel back side just make claw 32 simultaneously to
Center is close or exits；It can be moved, or can be moved by hydraulic-driven bevel pinion by pulling bevel pinion manually, or
Bevel pinion movement can be driven by air pressure, or bevel pinion movement can be driven by electric device.
Claw 32 coordinates chuck, has the function of self-centering.Claw 32 is synchronized outside support from central point, until claw 32
On tooling outer circle globoidal structure withstand the flange seam allowance of brake drum outward.
Tooling is tooling external member 411 and 412, and tooling external member 411 is metal derby, and sector structure, 411 outside of tooling external member is
Arc surface structure, 411 lower part of tooling external member are bonded with claw 32；Tooling external member 412 is metal derby, sector structure, tooling external member
412 outsides are arc surface structure, and 412 lower part of tooling external member is bonded with claw 32；Tooling external member 411 is mutual with tooling external member 412
Cooperation, cooperates specifically by concaveconvex structure.
When brake drum size to be processed is smaller, can recruitment assembling kit 411,411 outside arc surface knot of tooling external member
Structure withstands the flange seam allowance of brake drum outward, moreover, the recessed structure division of tooling external member 411, has avoided circular arc outside tooling
Face is in direct contact the point of flange seam allowance so that tooling and the contact point of flange seam allowance are become by one for two, increase tooling
With the contact portion of brake drum, it is more secured to fix brake drum.
When brake drum size to be processed is slightly larger, tooling external member 412 is used cooperatively with tooling external member 411, tooling external member 412
Outer circle globoidal structure withstands the flange seam allowance of brake drum outward.
Tooling external member 412 can have different width to determine tooling external member 412 according to the model of brake drum to be processed
Width.
Tooling external member 412 and tooling external member 411 are used cooperatively, and can easily use the brake drum of various sizes model
Processing.
Claw 32 is equipped with drilling recessing groove 36, when the drill bit of drilling processing penetrates braking drum flange, the position of drill bit alignment
It is slot 36 on claw 32 to set, and will not cause to damage to claw 32.The depth of slot 36 meets the drill bit extension elongation of bore process
, it is 0.5 centimetre.
Embodiment 5
As shown in fig. 6, a kind of brake drum anvil hole processing and fixing device, claw 32 is sector structure, circumferentially equal along chuck seat 31
Even distribution, tooling are combination set 411 and 412, and tooling is metal derby, and sector structure, tooling outside is arc surface structure 40
（K）, 411 outside of tooling external member is arc surface structure, and 412 outside of tooling external member is arc surface structure, passes through phase between tooling external member
The concaveconvex structure mutually coordinated is fixedly connected, detachable between tooling external member.
Tooling 411,412 lower parts are bonded with claw 32；Tooling 411,412 is to be detachably connected with claw 32.Tooling and card
Pawl can be bolted to connection, and be respectively equipped with hole in tooling 411,412 and claw 32, bolt also cross tooling 411,
412 and claw 32 hole, tighten bolt, fix tooling and claw；Or tooling 411,412 can be connected with claw 32 by screw thread
It connects, tooling 411,412 is equipped with convex thread, and claw 32 is equipped with corresponding recessed screw thread hole, and tooling and claw pass through convex-concave screw thread
It is fixedly connected；Or tooling 411,412 can be equipped with key with claw 32 by key connection, tooling 411,412, claw 32 is equipped with
Corresponding keyway, tooling and claw are fixed together by keyway；Or tooling 411,412 and claw 32 can by pin connection,
Tooling 411,412 is equipped with pin hole, and claw 32 is equipped with corresponding pin hole, and tooling is fixedly connected with claw by pin.Detachably
The mode of connection, it is easy to disassemble, it can be suitably used for various various sizes of brake drums.
Tooling and claw are to be detachably connected, can also tooling 411 and claw 32 it is solid by bolt, screw thread, keyway, pin
Fixed connection, tooling 412 are coordinated with tooling 411 by concaveconvex structure, and tooling 412 can be square relative to tooling 411 and claw 32
Just it dismantles.
Be circularly and evenly distributed 3 claws 32 on chuck seat 31, and 32 lower part of claw is equipped with rack structure, with claw driving machine
Rack structure 35 on structure 34 cooperates, by the phase for adjusting rack and 34 upper rack 35 of claw driving mechanism on claw 32
To position relationship, the extension elongation of claw 32 can be very easily adjusted, brake drum is facilitated to process.
The relative position of claw driving mechanism 33 and 34 can be fixed with bolt.
Chuck drive claw driving mechanism 33 and 34 moves, and then drives the movement of claw 32 and tooling, is supported from inside
Flange face and withstand flange seam allowance.
Embodiment 6
As shown in fig. 7, a kind of brake drum anvil hole processing and fixing device, slot 36 is provided on claw 32, slot 36 is arc-shaped slot, right
Should in drill on brake drum 113 position, the width of slot 36 is more than hole to be drilled 113 diameter；In claw 32, support is made upwards
Under conditions of dynamic drum 1, punch operation carried out to brake drum 1, after the drill bit of punching penetrates drilling plane, the position of drill bit alignment is
Slot 36 on claw, so will not cause to damage to claw 32 when drilling processing.36 depth of slot on claw meets bore process
Drill bit extension elongation, be 1 centimetre.
Embodiment 7
As shown in figure 8, a kind of brake drum anvil hole processing and fixing device, hole 37 is provided on claw 32, hole 37 is circular hole, is in circular arc
Shape is uniformly distributed, corresponding to drill on brake drum 113 position, 37 diameter of circular hole be more than diameter hole to be drilled；In claw 32
Upwards under conditions of support brake drum 1, punch operation is carried out to brake drum, after the drill bit of punching penetrates drilling plane, drill bit pair
Accurate position is the hole 37 on claw, so will not cause to damage to claw 32 when drilling processing.37 depth of hole on claw is full
The drill bit extension elongation of sufficient bore process is 0.5 centimetre.
Embodiment 8
As shown in figure 9, a kind of brake drum anvil hole processing and fixing device, claw 321 is planarized structure, is uniformly divided along chuck perimeter
Cloth, tooling 42 are metal derby, split cylinder type structure, 42 outside of tooling is arc surface structure, and 42 lower part of tooling has slot
421, slot 421 is cuboid, and the shape of claw 321, the embedding firmly claw 321 of tooling 42 is coordinated to be bonded with claw 321.Tooling 42
It is to be detachably connected with claw 321, tooling 42 can be bolted to connection with claw 321, be divided in tooling 42 and claw 321
Not She You hole, bolt tightens bolt also cross the hole of tooling 42 and claw 321, fixes tooling and claw；Or tooling 42 with
Claw 321 can be connected through a screw thread, tooling 42 be equipped with convex thread, claw 321 be equipped with corresponding recessed screw thread hole, tooling and
Claw is screwed connection by convex-concave；Or tooling 42 can be equipped with key, claw with claw 321 by key connection, tooling 42
321 are equipped with corresponding keyway, and tooling and claw are fixed together by keyway；Or tooling 42 can pass through pin with claw 321
Connection, tooling 42 are equipped with pin hole, and claw 321 is equipped with corresponding pin hole, and tooling is fixedly connected with claw by pin.Detachably
The mode of connection, it is easy to disassemble, it can be suitably used for various various sizes of brake drums.
The width of claw 321 is smaller, and after the drill bit of punching penetrates drilling plane, the gap between claw and claw is worn
Go out, claw will not be caused to damage.
Embodiment 9
As shown in Figure 10 and Figure 11, a kind of brake drum anvil hole processing and fixing device, claw 322 is forge piece of step type structure, equal at circumference
Even distribution, tooling 43 are metal derby, and cylinder type structure, 43 outside of tooling is arc surface structure, and tooling 43 has slot 431, slot
431 be cuboid, and the stairstepping of claw 322,43 inlay card of tooling is coordinated to live claw 322, be bonded with claw 322.Tooling 43
It is to be detachably connected with claw 322.
Also there is concaveconvex structure on claw 322, there is in tooling 43 convex-concave structure, the concaveconvex structure of claw and tooling it is convex
Recessed structure cooperates, and claw 322 and tooling 43 is further made to coordinate closely.The convex-concave on concaveconvex structure and tooling on claw
Structure can be rectangular, arc-shaped, linear or other mutually matched shapes.
Claw 322 is ladder-like, and it is the higher cascaded surface in position to support brake drum, and the drill bit of punching penetrates drilling plane
Afterwards, against the lower cascaded surface of jaw position, the difference in height between the high cascaded surface of claw and low order tread provides activity to drill bit
Space.
Embodiment 10
As shown in Figure 1, a kind of brake drum anvil hole machined fixing means, includes the following steps：S1：Brake drum 1 is lifted, keeps boring
Hole planar horizontal is slowly fallen in upper mode on claw 32；S2：It is same from center by claw 32 under driving mechanism driving
Step support outward, until the 4 outside arc surface of tooling on claw 32 withstands braking drum flange seam allowance outward；S3：Adjust column 21
Highly, the extension elongation for adjusting mandril 22, makes mandril leading head 221 withstand the slot 121 on brake drum circumference braking surface.Mandril
22 be level, and the included angle with horizontal direction is 0 degree.
Embodiment 11
As shown in Fig. 2, a kind of brake drum anvil hole machined fixing means, includes the following steps：S1：Brake drum 1 is lifted, keeps boring
Hole planar horizontal is slowly fallen in upper mode on claw 32, the bottom face 13 of brake drum braking surface circumference（D）Just it is pressed in
On the spring 5 of table top；S2：It by claw 32 under driving mechanism driving, is supportted outward from central synchronous, until the tooling on claw 32
External arc surface withstands braking drum flange seam allowance outward；S3：The height of column 21 is adjusted, the extension elongation of mandril 22 is adjusted, makes
Mandril leading head 221 withstands the slot 121 on brake drum circumference braking surface.Mandril 22 obliquely with the included angle of horizontal direction
It is 15 degree.
Embodiment 12
Hole location is measured using three-dimensional coordinates measurement equipment using the brake drum anvil hole processing and fixing device of embodiment 2, is used
It is as shown in table 1 below to obtain hole location deviation data for the mode of sequential sampling：
Table 1
The control limit upper deviation is 0.2, and control limit lower deviation is 0, and all data are in control limit range, Measure of Process Capability
Cpk is 1.5, and process capability is up to standard.
Using inside micrometer, measured hole internal diameter obtains hole inner diameter deviation data such as following table by the way of sequential sampling
Shown in 2：
Table 2
The control limit upper deviation is 0.022, and control limit lower deviation is -0.013, and all data are in control limit range, process energy
Power index Cpk is 1.78, and process capability is up to standard.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of brake drum anvil hole processing and fixing device, which is characterized in that including positioned internal device and external positioning device；It is interior
Portion's positioning device includes chuck, tooling, and chuck is fixed on table top, and chuck is equipped with claw, claw connecting chuck, by chuck branch
Support, claw are extended outwardly by driving mechanism driving, and claw supports braking drum flange, tooling to be fixedly mounted on claw upwards, work
External dress is arc surface structure, withstands the seam allowance of braking drum flange outward；External positioning device includes column and mandril, upright post vertical
It is directly fixed on table top, column top connects mandril, and mandril leading head is arc-shaped structure, and brake drum braking is withstood from outside
The outer circumference surface in face, the position withstood are the slot on outer circumference surface.
2. brake drum anvil hole processing and fixing device according to claim 1, which is characterized in that further include spring, the bullet
Spring is arranged on table top, is uniformly distributed along the bottom face of brake drum braking surface circumference.
3. brake drum anvil hole processing and fixing device according to claim 1 or 2, which is characterized in that the tooling and claw
To be detachably connected, tooling is bonded with claw.
4. brake drum anvil hole processing and fixing device according to claim 3, which is characterized in that the claw is stepped ties
Structure, planarized structure or sector structure；The tooling is cylinder type, splits cylinder type or fan type；Tooling passes through with claw
It is bolted, is threadedly coupled, being keyed, pin connection or slot are connected.
5. brake drum anvil hole processing and fixing device according to claim 4, which is characterized in that the chuck is manual card
Disk, oild chuck, air spider or electric chuck；The claw is driven to hydraulic-driven, air pressure driving, electric drive or manual
Mechanical gear drives；The claw coordinates chuck, has the function of self-centering.
6. brake drum anvil hole processing and fixing device according to claim 3, which is characterized in that be provided with hole on the claw
Or slot.
7. brake drum anvil hole processing and fixing device according to claim 3, which is characterized in that the mandril is horizontally or obliquely
The slot on brake drum circumference braking surface is withstood in top, mandril ranging from 0 degree to 15 with the included angle of horizontal direction obliquely
Degree；The mandril front end is provided with spring.
8. brake drum anvil hole processing and fixing device according to any one of claims 1 to 7, which is characterized in that the mandril
It is dismountable connection structure with column, mandril can be with dismounting and change；Column it is height-adjustable；The length that mandril stretches out is adjustable
Section.
9. a kind of brake drum anvil hole machined fixing means, includes the following steps：
S1：Brake drum is lifted, keeps drilling plane level in upper mode, slowly falls on claw；
S2：It by claw under driving mechanism driving, is supportted outward from central synchronous, until arc surface is outside outside the tooling on claw
Withstand braking drum flange seam allowance；
S3：The height for adjusting column, adjusts the extension elongation of mandril, mandril leading head is made to withstand on brake drum braking surface circumference
Slot.
10. brake drum anvil hole machined fixing means according to claim 9, which is characterized in that in the step S1, braking
Drum is fallen when on claw, and the braking surface circumference bottom face of brake drum is just pressed on the spring of table top, is provided brake drum slow
Punching；In the step S3, mandril obliquely with ranging from 0 degree to 15 degree of the included angle of horizontal direction.
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| CN201810125952.4A CN108406352A (en) | 2018-02-08 | 2018-02-08 | A kind of brake drum anvil hole processing and fixing device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810125952.4A CN108406352A (en) | 2018-02-08 | 2018-02-08 | A kind of brake drum anvil hole processing and fixing device and method |
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| Publication Number | Publication Date |
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| CN108406352A true CN108406352A (en) | 2018-08-17 |
Family
ID=63128105
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810125952.4A Pending CN108406352A (en) | 2018-02-08 | 2018-02-08 | A kind of brake drum anvil hole processing and fixing device and method |
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| CN110090968A (en) * | 2019-05-07 | 2019-08-06 | 盛瑞传动股份有限公司 | A kind of brake drum process for machining |
| CN110405507A (en) * | 2019-08-13 | 2019-11-05 | 浙江金汤机床有限公司 | Automotive brake cnc lathe |
| CN110497226A (en) * | 2019-09-23 | 2019-11-26 | 孙庆峰 | A kind of water pump end cap periphery hole drilling positioning fixture |
| CN112139515A (en) * | 2020-09-25 | 2020-12-29 | 南京永庆机械制造有限公司 | Vertical lathe for machining distance ring and machining process of distance ring |
| CN112496767A (en) * | 2020-11-28 | 2021-03-16 | 河南凤宝重工科技有限公司 | Flexible clamp for processing brake drum |
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| CN110497226A (en) * | 2019-09-23 | 2019-11-26 | 孙庆峰 | A kind of water pump end cap periphery hole drilling positioning fixture |
| CN110497226B (en) * | 2019-09-23 | 2021-02-05 | 浙江青霄科技股份有限公司 | Drilling positioning tool for circumferential surface of water pump end cover |
| CN112139515A (en) * | 2020-09-25 | 2020-12-29 | 南京永庆机械制造有限公司 | Vertical lathe for machining distance ring and machining process of distance ring |
| CN112496767A (en) * | 2020-11-28 | 2021-03-16 | 河南凤宝重工科技有限公司 | Flexible clamp for processing brake drum |
| CN113751753A (en) * | 2021-10-15 | 2021-12-07 | 森赫电梯股份有限公司 | Integrated processing device for elevator derrick |
| CN113751753B (en) * | 2021-10-15 | 2022-09-09 | 森赫电梯股份有限公司 | Integral type processingequipment for elevator derrick |
| CN115106818A (en) * | 2022-07-27 | 2022-09-27 | 江苏天宏机械工业有限公司 | Floating tool for brake disc |
| CN115042121A (en) * | 2022-08-01 | 2022-09-13 | 华莱(常州)液压科技有限公司 | Assembling tool and process for quickly changing valve rod |
| CN115042121B (en) * | 2022-08-01 | 2023-11-17 | 华莱(常州)液压科技有限公司 | Assembly tool and process for quick-change valve rod |
| CN115464430A (en) * | 2022-09-21 | 2022-12-13 | 苏州市亚康精密模具有限公司 | Injection mold precision finishing anchor clamps |
| CN115464430B (en) * | 2022-09-21 | 2023-11-03 | 苏州市亚康精密模具有限公司 | Injection mold precision machining clamp |
| CN117206937A (en) * | 2023-11-08 | 2023-12-12 | 龙口市胶东机械配件有限公司 | Frock is used in brake drum drilling |
| CN117206937B (en) * | 2023-11-08 | 2024-02-06 | 龙口市胶东机械配件有限公司 | Frock is used in brake drum drilling |
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