CN104043996B - Eccentric frock of bent axle - Google Patents
Eccentric frock of bent axle Download PDFInfo
- Publication number
- CN104043996B CN104043996B CN201410244795.0A CN201410244795A CN104043996B CN 104043996 B CN104043996 B CN 104043996B CN 201410244795 A CN201410244795 A CN 201410244795A CN 104043996 B CN104043996 B CN 104043996B
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- Prior art keywords
- head
- eccentric
- dish
- axe
- frock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052802 copper Inorganic materials 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 206010003671 Atrioventricular Block Diseases 0.000 claims 1
- 208000010271 Heart Block Diseases 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
- B23Q2703/105—Devices for clamping workpieces of a particular form or made from a particular material for clamping a crankshaft
Abstract
The invention relates to a crankshaft eccentric tool, which comprises a lathe chuck (1), a head axe disk (2), an eccentric adjusting component, a workpiece connecting component, an eccentric positioning component and a balance plate component, wherein the lathe chuck (1) is of a split structure, the head axe disk (2) is fixed on the lathe chuck (1), the eccentric adjusting component, the workpiece connecting component and the eccentric positioning component form a part of the tool for adjusting the eccentricity of a crankshaft through a connecting component and are fixed on one side of the head axe disk (2), and the balance plate component is fixed on the other side of the head axe disk (2) through the connecting component. Compared with the prior art, the invention adopts a split structure, utilizes the positioning pin for positioning, and the positioning plate and the bolt for connection, thereby ensuring accurate positioning, convenient assembly and disassembly, convenient and rapid replacement, convenient reconstruction, convenient and flexible integral structure, low cost and convenient manufacture.
Description
Technical field
The invention belongs to technology manufacture field, relate to a kind of frock, especially relate to a kind of crankshaft eccentric frock.
Background technology
Crankshaft eccentric frock is used to the special tooling of machining crankshafts crank throw.Existing crankshaft eccentric frock, one secondary
The crankshaft eccentric crank throw of a kind of size can be processed, if eccentricity of crankshaft changes, it is necessary to feed intake reprocessing
One secondary crankshaft bias frock, this can cause the biggest waste, and also can affect the machining accuracy of crankshaft crank.More
For it is essential that when processing the bent axle of different eccentric throw, need to change a whole set of crankshaft eccentric frock, when bent axle method
When blue size changes, need the parts in many former frocks are replaced, thus production greatly can be produced
Manufacturing cost.
Summary of the invention
The purpose of the present invention is contemplated to overcome the defect that above-mentioned prior art exists and the split type knot of one provided
Structure, easy to use, it is substantially reduced manufacturing cost and use cost, can add in the range of 100mm-250mm
The crankshaft eccentric frock of work large span.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of crankshaft eccentric frock, this frock includes the lathe floral disc of split-type structural, head axe dish, adjusts partially
Heart assembly, workpiece connect assembly, eccentric positioning component and balance board set, and described head axe dish is fixed on car
On bed floral disc, described adjustment offset assembly, workpiece connection assembly and eccentric positioning component are consisted of connection member
Described frock is for adjusting the part of crankshaft eccentric, and is fixed on head axe dish side, described balance board set
It is fixed on the opposite side of head axe dish.
Described head axe dish is fixed on lathe floral disc by T-nut, bolt and the special high nut a that adds.
Described workpiece connects head indexing round bottom plate, head indexing floral disc, the workpiece method that assembly includes being sequentially connected with
Blue transition disc, is wherein provided with the installing hole of mounting and adjusting offset assembly, described head part in head indexing round bottom plate
Degree round bottom plate is fixed on head axe dish, and head indexing floral disc is fastened on head by nuts and bolt and indexes
On round bottom plate, described workpiece flange transition disc is fixed on head indexing floral disc.
Described adjustment offset assembly include screw mandrel, work in copper make, lining, pad, locating piece and pilot pin, described
Screw mandrel insert through work in copper order in the installing hole of head indexing round bottom plate, and described screw mandrel moveably connects
Connect workpiece and connect assembly, described work in copper order is additionally provided with the hole, location connecting head axe dish, described pilot pin
Head axe dish is connected through hole, described location；During work, described screw mandrel rotates and drives head indexing through work in copper order
Round bottom plate, thus drive workpiece to connect assembly and adjust workpiece bias.
Described screw mandrel passes through copper packing II, and little round nut, round nut floor clip is fixed on pilot pin, described
Pilot pin be fixed on head axe dish.
Described head indexing round bottom plate and head indexing floral disc are concentric circular plate-like, and are provided with in heart circular hole wherein
The slide bushing of bent axle is installed.
The Circularhole diameter at described head indexing round bottom plate center is D1, the Circularhole diameter at head indexing floral disc center
For D2, D2 > D1, described slide bushing outer wall is provided with the gap of head indexing floral disc center hole inwall
Rotational positioning axle.
Described eccentric positioning component includes a label, eccentric throw scale and crankshaft eccentric block, described position label peace
Being contained in head axe dish both sides, described eccentric throw scale is arranged on head indexing round bottom plate both sides, described bent axle
In the locating slot of the junction setting that eccentric block is arranged on head axe dish and head indexing round bottom plate.
Described position label and eccentric throw scale are fixed together by rivet, and described eccentric throw scale is by hardening
Baffle plate and soket head cap screw be fixed on head indexing round bottom plate on, described crankshaft eccentric block by baffle plate, nut and
Studs is fixed on and is indexed, by head axe dish end face groove and head, the location that round bottom plate bottom recesses is formed
In groove.
Described workpiece connects assembly by adjusting the connection spiral shell between workpiece flange transition disc and head indexing floral disc
Bolt, it is achieved workpiece flange transition disc is along the rotation of rotational positioning axle axis direction.
Described balance board set includes that polylith balance plate, described polylith balance plate are all fixed by stud and nut
On head axe dish.
Described crankshaft eccentric block and workpiece flange transition disc all use 45# material to be prepared from.
During work, by the fixing bolt between Panasonic's head indexing round bottom plate and head axe dish, rotary screw warp
Work in copper order drives head indexing round bottom plate, head indexing floral disc, slide bushing, rotational positioning axle and workpiece flange mistake
It is eccentric that scale realizes it.Then by being arranged on the turning center scale of eccentric both sides with eccentric throw scale to partially
Heart size carries out coarse positioning, then by crankshaft eccentric block to eccentric ruler little progress row fine positioning.Finally, by head reference circle
Fixing bolt between base plate and head axe dish screws, and just completes to adjust the eccentric work of crankshaft eccentric frock.
Compared with prior art, the invention have the characteristics that:
(1) eccentric adjustment member is located at the top of frock, the convenient eccentric throw that adjusts, employing screw rod transmission, has
Good precision stability, reliability and service life；
(2) using split-type structural, utilize alignment pin to position, location-plate and bolt connect, it is ensured that accurate positioning,
It is convenient to mount and dismount；
(3) owing to using split-type structural, changing convenient and swift, it is simple to transformation, overall structure is convenient, flexible,
Cost is low, easily manufactured；
(4) need according to eccentricity of crankshaft and crankshaft flange size, the crankshaft eccentric block of replacing and workpiece ring flange
Fixed by bolt and location-plate, convenient to disassembly；
(5) greatly reducing the manufacturing cost of machining crankshafts, bias can be existed by a set of crankshaft eccentric frock
In the range of 100mm-250mm, all of bent axle is processed.
Accompanying drawing explanation
Fig. 1 is one crankshaft eccentric frock front view of the present invention；
Fig. 2 is one crankshaft eccentric frock A-A sectional view of the present invention；
Fig. 3 is one crankshaft eccentric frock top view of the present invention；
Fig. 4 is I part enlarged partial sectional view in Fig. 2；
Fig. 5 is that one crankshaft eccentric frock B of the present invention is to partial sectional view；
Fig. 6 is H-H partial sectional view in Fig. 4；
Fig. 7 is L-L partial sectional view in Fig. 4；
Fig. 8 is crankshaft eccentric frock machining sketch chart of the present invention；
Description of symbols in figure:
1-lathe floral disc, 2-head axe dish, 3-head indexing round bottom plate, 4-head indexing floral disc, 5-workpiece method
Blue transition disc, 6-slide bushing, 7-rotational positioning axle, 8-balance board set, 9-copper packing I, 10-work in copper make, 11-
Locating piece, 12-lining, 13-pad, 17-T type nut, 18-rivet, 19-eccentric throw scale, the special thickening of 20-
Nut a, 21-baffle plate, 22-nut, 23-studs, 24-crankshaft eccentric block, 25-harden in block, 26-six
Angle screw, 27-straight pin, 28-lining, 29-are special adds high nut b, 30-crankshaft nut, 31-workpiece, 32-
Lathe tailstock, 33-pilot pin.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in Fig. 1～8, a kind of crankshaft eccentric frock, this frock includes the lathe floral disc 1 of split-type structural, head
Portion's axe dish 2, adjustment offset assembly, workpiece connect assembly, eccentric positioning component and balance board set, described
Head axe dish 2 is fixed on lathe floral disc 1, and described adjustment offset assembly, workpiece connection assembly and bias are fixed
Hyte part constitutes described frock for adjusting the part of crankshaft eccentric by connection member, and is fixed on head axe dish
2 sides, described balance board set is fixed on the opposite side of head axe dish 2.Head axe dish 2 is by T-shaped
Nut 17, bolt and the special high nut a20 that adds are fixed on lathe floral disc 1.Workpiece connects assembly and includes successively
The head indexing round bottom plate 3, the head that connect index floral disc 4, workpiece flange transition disc 5, wherein head reference circle
Being provided with the installing hole of mounting and adjusting offset assembly in base plate 3, described workpiece flange transition disc 5 is provided with lining
The straight pin 27 of 28.Adjust offset assembly include screw mandrel 14, work in copper make 10, lining 12, pad 13, location
Block 11 and pilot pin 33, described lining 12 is enclosed within screw mandrel 14, and described pad 13, locating piece 11 set
Putting and make between 10 at lining 12 and work in copper, described screw mandrel 14 makes 10 insertion head indexing round bottom plates through work in copper
Screw mandrel 14 in the installing hole of 3 and described moveably connects workpiece and connects assembly, described work in copper order
Being additionally provided with the hole, location connecting head axe dish 2 on 10, described pilot pin 33 is through hole, described location union joint
Portion's axe dish 2；During work, described screw mandrel 14 rotates and makes 10 drive head indexing round bottom plates 3 through work in copper, from
And drive workpiece to connect assembly and adjust workpiece bias.It is provided with copper packing I9 between screw mandrel 14 and lining 12, and passes through
Copper packing II, little round nut M24x1.5, screw mandrel 14 is fixed on pilot pin 33 by round nut floor clip, institute
The pilot pin 33 stated is fixed on head axe dish 2.Work in copper make 10 to pass through M10x24 soket head cap screw through cover plate
It is fixed on indexing chassis 3.So by rotary screw part can be moved up and down and realize bias.
Head indexing round bottom plate 3 and head indexing floral disc 4 are in concentric circular plate-like, and are provided with peace in heart circular hole wherein
The slide bushing 6 of dress bent axle.The Circularhole diameter at head indexing round bottom plate 3 center is D1, head indexing floral disc 4
The Circularhole diameter at center is D2, D2 > D1, described slide bushing 6 outer wall indexes floral disc 4 center circle with head
The gap of hole inwall is provided with rotational positioning axle 7.Eccentric positioning component includes a label 16, eccentric throw scale 19
And crankshaft eccentric block 24, described position label 16 is arranged on head axe dish 2 both sides, described eccentric throw scale
19 are arranged on head indexing round bottom plate 3 both sides, and described crankshaft eccentric block 24 is arranged on head axe dish 2 and head
In the locating slot that the junction of part degree round bottom plate 3 is arranged.Position label 16 and eccentric throw scale 19 pass through rivet
18 are fixed together, and described eccentric throw scale 19 is by hardening baffle plate 25 and soket head cap screw 26 is fixed on head
On part degree round bottom plate 3, described crankshaft eccentric block 24 is solid by baffle plate 21, nut 22 and studs 23
It is scheduled on and is indexed in the locating slot that round bottom plate 3 bottom recesses is formed by head axe dish 2 end face groove and head.Work
Part connects assembly by adjusting the connecting bolt between workpiece flange transition disc 5 and head indexing floral disc 4, it is achieved work
Part flange transition disc 5 is along the rotation of rotational positioning axle 7 axis direction.Described balance board set 8 includes that polylith is put down
Weighing apparatus plate, described polylith balance plate is all fixed on head axe dish 2 by stud and nut 22.Crankshaft eccentric
Block 24 and workpiece flange transition disc 5 all use 45# material to be prepared from.
It is specifically addressed below, first workpiece 31 is fixed on lathe tailstock 32, during work, passes through Panasonic
Pilot pin 33 between head indexing round bottom plate 3 and head axe dish 2, rotary screw 14 makes 10 bands through work in copper
Dynamic head indexing round bottom plate 3, head indexing floral disc 4, slide bushing 6, rotational positioning axle 7 and workpiece flange mistake
It is eccentric that scale 5 realizes it.Then by being arranged on turning center scale and the eccentric throw scale of eccentric both sides
19 pairs of eccentric ruler little progress row coarse positionings, then by crankshaft eccentric block 24 to eccentric ruler little progress row fine positioning.Finally, will
Pilot pin 33 between head indexing round bottom plate 3 and head axe dish 2 screws, and by bolt, special thickening
Workpiece flange transition disc 5 is fixed by nut b29 and crankshaft nut 30 with workpiece 31, just completes to adjust bent axle
The eccentric work of eccentric frock.
Claims (9)
1. a crankshaft eccentric frock, it is characterised in that this frock include split-type structural lathe floral disc (1),
Head axe dish (2), adjustment offset assembly, workpiece connect assembly, eccentric positioning component and balance board set, institute
Head axe dish (2) stated is fixed on lathe floral disc (1), described adjustment offset assembly, workpiece connection group
Part and eccentric positioning component constitute described frock for adjusting the part of crankshaft eccentric by connection member, and are fixed on
Head axe dish (2) side, described balance board set is fixed on the opposite side of head axe dish (2)；
Wherein, described adjustment offset assembly includes that screw mandrel (14), work in copper make (10), lining (12), pad
(13), locating piece (11) and pilot pin (33), described screw mandrel (14) make (10) insertion head through work in copper
Screw mandrel (14) in the installing hole of part degree round bottom plate (3) and described moveably connects workpiece and connects
Assembly, described work in copper make and are additionally provided with the hole, location connecting head axe dish (2), described location on (10)
Bolt (33) connects head axe dish (2) through hole, described location；During work, described screw mandrel (14) rotates warp
Work in copper make (10) to drive head indexing round bottom plate (3), thus drive workpiece to connect assembly and adjust workpiece bias.
A kind of crankshaft eccentric frock the most according to claim 1, it is characterised in that described head axe
Dish (2) is by T-nut (17), bolt and adds high nut a (20) and is fixed on lathe floral disc (1).
A kind of crankshaft eccentric frock the most according to claim 1, it is characterised in that described workpiece connects
Assembly includes that head indexing round bottom plate (3) being sequentially connected with, head index floral disc (4), workpiece flange transition disc (5),
Wherein it is provided with the installing hole of mounting and adjusting offset assembly in head indexing round bottom plate (3).
A kind of crankshaft eccentric frock the most according to claim 3, it is characterised in that described screw mandrel (14)
By copper packing II, little round nut, round nut floor clip is fixed on pilot pin (33), described pilot pin
(33) it is fixed on head axe dish (2).
A kind of crankshaft eccentric frock the most according to claim 3, it is characterised in that described head indexing
Round bottom plate (3) and head indexing floral disc (4) are in concentric circular plate-like, and are provided with installation bent axle in heart circular hole wherein
Slide bushing (6).
A kind of crankshaft eccentric frock the most according to claim 5, it is characterised in that described head indexing
The Circularhole diameter at round bottom plate (3) center is D1, and the Circularhole diameter at head indexing floral disc (4) center is D2,
D2 > D1, described slide bushing (6) outer wall sets with the gap of head indexing floral disc (4) center hole inwall
There is rotational positioning axle (7).
A kind of crankshaft eccentric frock the most according to claim 1, it is characterised in that described eccentric location
Assembly includes a label (16), eccentric throw scale (19) and crankshaft eccentric block (24), described position label (16)
Being arranged on head axe dish (2) both sides, described eccentric throw scale (19) is arranged on head indexing round bottom plate (3)
Both sides, described crankshaft eccentric block (24) is arranged on head axe dish (2) and head indexes round bottom plate (3)
In the locating slot that junction is arranged.
A kind of crankshaft eccentric frock the most according to claim 7, it is characterised in that described position label (16)
Being fixed together by rivet (18) with eccentric throw scale (19), described eccentric throw scale (19) is by quenching
Hard baffle plate (25) and soket head cap screw (26) are fixed on head indexing round bottom plate (3), and described bent axle is inclined
Heart block (24) is fixed on by head axe dish (2) by baffle plate (21), nut (22) and studs (23)
In the locating slot that end face groove and head indexing round bottom plate (3) bottom recesses are formed.
A kind of crankshaft eccentric frock the most according to claim 1, it is characterised in that described workpiece connects
Assembly is by adjusting the connecting bolt between workpiece flange transition disc (5) and head indexing floral disc (4), it is achieved work
Part flange transition disc (5) is along the rotation of rotational positioning axle (7) axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244795.0A CN104043996B (en) | 2014-06-04 | 2014-06-04 | Eccentric frock of bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244795.0A CN104043996B (en) | 2014-06-04 | 2014-06-04 | Eccentric frock of bent axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104043996A CN104043996A (en) | 2014-09-17 |
| CN104043996B true CN104043996B (en) | 2017-01-04 |
Family
ID=51497651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410244795.0A Active CN104043996B (en) | 2014-06-04 | 2014-06-04 | Eccentric frock of bent axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104043996B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493198A (en) * | 2014-12-15 | 2015-04-08 | 辽宁鼎丰数控设备有限公司 | Crankshaft four-station rough turning numerical control flexible production line provided with industrial robot |
| CN106000851B (en) * | 2016-07-01 | 2018-07-06 | 江苏科技大学 | A kind of eccentric shaft is away from having grade and stepless adjusting apparatus and method of adjustment |
| CN109333126B (en) * | 2018-11-13 | 2024-03-15 | 广州市敏嘉制造技术有限公司 | Bent axle clamping frock |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3646710A (en) * | 1970-03-25 | 1972-03-07 | Landis Tool Co | Safety device for precision rotary location of crank fixtures in a machine tool |
| KR100391275B1 (en) * | 2000-12-12 | 2003-07-12 | 기아자동차주식회사 | Apparatus for fixing crank on deburring |
| CN101670526B (en) * | 2008-09-12 | 2011-04-20 | 天润曲轴股份有限公司 | Jig for drilling flange hole of crankshaft |
| CN202701394U (en) * | 2012-08-09 | 2013-01-30 | 杭州电子科技大学 | Machining device of diesel engine bent axle |
| CN102794656B (en) * | 2012-09-10 | 2014-08-13 | 浙江伟林机械零部件有限公司 | Drilling clamp for oil hole of bent axle in adjustable position |
| CN203185017U (en) * | 2013-03-26 | 2013-09-11 | 蒋春义 | Clamping device for machining crankshaft |
| CN103612147B (en) * | 2013-12-11 | 2015-12-02 | 中捷机床有限公司 | The turning clamp device that bent axle is special and manufacture method |
-
2014
- 2014-06-04 CN CN201410244795.0A patent/CN104043996B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104043996A (en) | 2014-09-17 |
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