CN209565802U - A kind of fixture for balance shaft both ends milling flat - Google Patents
A kind of fixture for balance shaft both ends milling flat Download PDFInfo
- Publication number
- CN209565802U CN209565802U CN201920208787.9U CN201920208787U CN209565802U CN 209565802 U CN209565802 U CN 209565802U CN 201920208787 U CN201920208787 U CN 201920208787U CN 209565802 U CN209565802 U CN 209565802U
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- CN
- China
- Prior art keywords
- rocking bar
- balance shaft
- section
- mounting base
- bar
- 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.)
- Expired - Fee Related
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model relates to balance shaft milling machine processing unit (plant) technical fields, more particularly to a kind of fixture for balance shaft both ends milling flat, including mounting base, the mounting base is fixed setting, it further include link block, handle and rocking bar, the handle includes linkage section and holding section, described link block one end and the mounting base are hinged, the link block other end and the linkage section are hinged, one end of the rocking bar is hinged with the mounting base and the linkage section respectively, the mounting base, the link block, the end of the linkage section and the rocking bar forms double rocker mechanism, it further include pressure holding bar, the pressure holding bar is fixed on the rocking bar, the rocking bar lower part is further fixedly arranged on the mounting groove for placing balance shaft, the double rocker mechanism is rotated by handle drives the rocking bar and the pressure holding bar mobile to the mounting groove, this Shen Structure please is simple, easy to operate, higher to the positioning clamping accuracy of balance shaft.
Description
Technical field
The utility model relates to balance shaft milling machine processing unit (plant) technical fields, and in particular to one kind is used for two end mill of balance shaft
The fixture of plane.
Background technique
In engine in the working cycles of engine, the movement velocity of piston is very fast, and speed is very uneven,
It is inevitable that very big inertia is generated on piston, piston pin and connecting rod since piston does the movement of high-speed straight-line repeatedly in cylinder
Power, but the counterweight on connecting rod can only some moving-mass participate in linear motion, another part participate in rotation, in addition to bottom stopper
Outside point position, various inertia force cannot be fully balanced, and engine is made to produce vibration.Vibration frequency is higher, and amplitude is also got over
It is small.
Commonly used method is exactly to increase a balance shaft to solve on motorcycle.Balance shaft is briefly exactly one
It is a to obtain engine using vibrations power caused by eccentric weight equipped with eccentric weight and with the axis that crankshaft-synchronous rotates
Good balance is obtained, the vibration of engine is lowered.Currently, balance shaft all needs to be processed after being cast as blank, carry out it is flat
When the end face processing at weighing apparatus axis both ends, the balance block structure of Shi Yaoxian clamping balance shaft is processed, the end face of balance shaft one end is first carried out
With the processing of centre bore, then it is balanced the end face of the axis other end and the processing of centre bore, carries out centre bore at balance shaft both ends
When with end face processing, what is generallyd use is that scroll chuck is clamped positioning to balance shaft, in the clamping position fixing process of balance shaft
In, scroll chuck structure is more complex, also more complex to the positioning clamp operation of balance shaft, to the positioning clamping accuracy of balance shaft compared with
It is low.
Utility model content
The purpose of this utility model is directed to, operation complicated currently used for the clamp structure of the end face processing to balance shaft both ends
Inconvenient problem, provides a kind of fixture for balance shaft both ends milling flat.
In order to realize above-mentioned purpose of utility model, the utility model provides following technical scheme:
A kind of fixture for balance shaft both ends milling flat, including mounting base, the mounting base are fixed setting, further include
Link block, handle and rocking bar, the handle include linkage section and hold section, and described link block one end and the mounting base are hinged,
The link block other end and the linkage section are hinged, and one end of the rocking bar is cut with scissors with the mounting base and the linkage section respectively
Connect, the mounting base, the link block, the linkage section and the rocking bar end form double rocker mechanism, further include pressure holding
Bar, the pressure holding bar are fixed on the rocking bar, and the rocking bar lower part is further fixedly arranged on the mounting groove for placing balance shaft,
The double rocker mechanism is rotated by handle drives the rocking bar and the pressure holding bar mobile to the mounting groove.
As a preferred embodiment of the present invention, the link block and the rocking bar are disposed as two, the handle and
The mounting base is arranged between two link blocks, the handle and mounting base setting two rocking bars it
Between, increase the stability of this structure.
As a preferred embodiment of the present invention, the mounting base respectively with the link block and the rocking bar hinged place it
Between be provided with circular groove, the circular groove between this mounting base make handle have enough spaces above mounting base turn
It is dynamic, it is not in be contacted between handle and mounting base and the phenomenon that not being able to rotate occur.
As a preferred embodiment of the present invention, the mounting groove includes cylinder groove and mutually hangs down with the axis of the cylinder groove
Straight groove, for the cylinder groove for matching with the axis of balance shaft, the groove is used to place the balance weight of balance shaft, described
Groove is for preventing the balance shaft from moving axially.
As a preferred embodiment of the present invention, the linkage section and the holding section are integrally molded so as the handle, institute
It states linkage section and holds section angle in 130 °~150 °, increase the rotation angle for holding section, increase fixture to balance shaft
Tightness.
As a preferred embodiment of the present invention, the pressure holding bar includes traversing section and vertical section, described vertical section one end
It is fixedly connected in the middle part of the traversing section, the vertical section other end is fixedly connected with the rocking bar, and the traversing section is walked
To parallel with the axis of the cylinder groove, when traversing section and balance shaft contact, the contact surface of pressure holding bar and balance shaft can be increased
Product, increases the forced area of balance shaft, reduces damage of the fixture to balance shaft, and fasten balance shaft more.
As a preferred embodiment of the present invention, the traversing section and the vertical section are integrally molded so as the pressure holding bar,
The vertical section is welded with the rocking bar or bolt is fixed, and increases the tightness of pressure holding bar and rocking bar.
As a preferred embodiment of the present invention, it is hinged far from the rocking bar to be fixed at the rocking bar for the pressure holding bar
One end or pressure holding bar are fixed at medium position of the rocking bar far from hinged one end of the rocking bar to the rocking bar, press bar
Farther out from the hinged one end of rocking bar, when stable equilibrium axis, dynamics when manual rotation's handle can be saved, and can be good at solid
Surely balance shaft is lived.
Compared with prior art, the utility model has the beneficial effects that after placing balance shaft in mounting groove, balance weight
It is put into the axial limiting for being balanced axis in groove, by the rotation of handle in double rocker mechanism, rocking bar rotation is driven, is connecting
Section is when turning to the dead-centre position of double rocker mechanism, and pressure holding bar is contacted with balance shaft so that balance shaft is compacted, and consolidates balance shaft
Fixed, continuing firmly rotational handle continues to rotate linkage section, and linkage section is balanced the stuck of axis when crossing dead-centre position, real
Now to the fixation and limit of balance shaft entirety, the structure of the application is simple, easy to operate, to the positioning clamping accuracy of balance shaft compared with
It is high.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is structural schematic diagram in the operating condition；
Fig. 3 is the structural schematic diagram of mounting groove；
Fig. 4 is the structural schematic diagram of handle；
Fig. 5 is the structural schematic diagram for pressing bar；
Fig. 6 is the structural schematic diagram of mounting base；
Fig. 7 is the structural schematic diagram of balance shaft；
Marked in the figure: 1- mounting base, 2- link block, 3- handle, 4- rocking bar, 5- pressure holding bar, 6- mounting groove, 7- balance shaft,
11- circular groove, 31- linkage section, 32- holding section, 51- traversing section, 52- vertical section, 61- cylinder groove, 62- groove, 71- are flat
Weigh block.
Specific embodiment
The utility model is described in further detail below with reference to test example and specific embodiment.But it should not be by this
The range for being interpreted as the above-mentioned theme of the utility model is only limitted to embodiment below, all to be realized based on the content of the present invention
Technology belongs to the scope of the utility model.
Embodiment 1
As shown in fig. 1~fig. 5, a kind of fixture for balance shaft both ends milling flat, including mounting base 1, the mounting base 1
It further include link block 2, handle 3 and rocking bar 4 for fixed setting, the handle 3 includes linkage section 31 and holding section 32, the company
It connecing 2 one end of block and the mounting base 1 is hinged, 2 other end of link block and the linkage section 31 are hinged, and the one of the rocking bar 4
End is hinged with the mounting base 1 and the linkage section 31 respectively, the mounting base 1, the link block 2,31 and of the linkage section
The end of the rocking bar 4 forms double rocker mechanism, further includes pressure holding bar 5, the pressure holding bar 5 is fixed on the rocking bar 4, described
4 lower part of rocking bar is further fixedly arranged on the mounting groove 6 for placing balance shaft 7, and the double rocker mechanism is rotated by handle and driven
The rocking bar 4 and the pressure holding bar 5 are mobile to the mounting groove 6.
As depicted in figs. 1 and 2, in the present embodiment, the link block 2 and the rocking bar 4 are disposed as two, the handle
3 and the mounting base 1 be arranged between two link blocks 2, the handle 3 and the setting of the mounting base 1 are described in two
Between rocking bar 4, the stability of this structure is increased.
As shown in fig. 7, in the present embodiment, the mounting base 1 respectively with the link block 2 and 4 hinged place of the rocking bar it
Between be provided with circular groove 11, the circular groove 11 between this mounting base makes handle 3 have enough spaces in mounting base 1
Side's rotation, is not in contact between handle 3 and mounting base 1 and the phenomenon that not being able to rotate occur.
As shown in Figure 3 and Figure 7, the mounting groove 6 include cylinder groove 61 and with the axis perpendicular of the cylinder groove 61
Groove 62, for the cylinder groove 61 for matching with the axis of balance shaft 7, the groove 62 is used to place the balance weight of balance shaft 7
71, the groove 62 is for preventing the balance shaft 7 from moving axially.
As shown in figure 4, the linkage section 31 and the holding section 32 are integrally molded so as the handle 3, institute in the present embodiment
It states linkage section 31 and holds 32 angle of section in 130 °~150 °, increase the rotation angle for holding section 32, increase fixture to flat
The tightness of weighing apparatus axis 7.
As shown in figure 5, the pressure holding bar 5 includes traversing section 51 and vertical section 52, the vertical section 52 1 in the present embodiment
End and the middle part of the traversing section 51 are fixedly connected to form T-shaped structure, 52 other end of vertical section and the fixed company of the rocking bar 4
It connecing, the trend of the traversing section 51 is parallel with the axis of the cylinder groove 61, when traversing section 51 and balance shaft 7 contact, Neng Gouzeng
The contact area of bar 5 Yu balance shaft 7 is held in pressurization, increases the forced area of balance shaft 7, reduces damage of the fixture to balance shaft 7,
And fasten balance shaft 7 more.
As shown in Figure 1, Figure 2 and shown in Fig. 5, in the present embodiment, the traversing section 51 and the vertical section 52 are integrally molded so as institute
Pressure holding bar 5 is stated, the vertical section 52 is welded with the rocking bar 4 or bolt is fixed, and increases the tightness of pressure holding bar 5 and rocking bar 4.
As depicted in figs. 1 and 2, in the present embodiment, the pressure holding bar 5 is fixed at the rocking bar 4 far from the rocking bar 4
Hinged one end or pressure holding bar 5 are fixed at the rocking bar 4 far from hinged one end of the rocking bar 4 to the middle position of the rocking bar 4
It sets, pressure holding bar 5 farther out from the hinged one end of rocking bar 4, when stable equilibrium axis 7, can save dynamics when manual rotation's handle 3, and
And it can be good at fixing balance shaft 7.
Balance shaft 7: being placed in mounting groove 6 by the specific workflow of the application first, the axis and cylinder groove of balance shaft 7
61 match, and balance weight 71 is put into groove 62 and matches with groove 62, and groove 62 is balanced the axially position of axis 7, worker
Hand-turning handle 3 drives rocking bar 4 and pressure holding bar 5 mobile to 6 direction of mounting groove, at 31 turns of linkage section by double rocker mechanism
When moving to the dead-centre position of double rocker mechanism, the traversing section 51 of pressure holding bar 5 is contacted with balance shaft to compress balance shaft 7, prevents from putting down
Weighing apparatus axis 7 circumferentially rotate, continuing firmly rotational handle 3 continues to rotate linkage section 31, linkage section 31 when crossing dead-centre position i.e.
It is balanced the stuck of axis, double rocker mechanism is just stuck, and worker can unclamp arm, carries out subsequent balance shaft end flat
Milling.
Claims (7)
1. a kind of fixture for balance shaft both ends milling flat, which is characterized in that including mounting base (1), the mounting base (1) is
Fixed setting, further includes link block (2), handle (3) and rocking bar (4), and the handle (3) includes linkage section (31) and holding section
(32), described link block (2) one end and the mounting base (1) hingedly, link block (2) other end and the linkage section (31)
Hingedly, one end of the rocking bar (4) respectively with the mounting base (1) and the linkage section (31) hingedly, the mounting base (1),
The end of the link block (2), the linkage section (31) and the rocking bar (4) forms double rocker mechanism, further includes pressure holding bar
(5), the pressure holding bar (5) is fixed on the rocking bar (4), and rocking bar (4) lower part is further fixedly arranged on for placing balance
The mounting groove (6) of axis (7), the double rocker mechanism drive the rocking bar (4) and the pressure holding bar (5) by handle (3) rotation
It is mobile to the mounting groove (6).
2. according to claim 1 be used for balance shaft both ends milling flat fixture, which is characterized in that the link block (2) and
The rocking bar (4) is disposed as two, the handle (3) and the mounting base (1) setting two link blocks (2) it
Between, the handle (3) and the mounting base (1) are arranged between two rocking bars (4).
3. being used for the fixture of balance shaft both ends milling flat according to claim 1, which is characterized in that mounting groove (6) packet
Include cylinder groove (61) and the groove (62) with the axis perpendicular of the cylinder groove (61), the cylinder groove (61) and balance shaft
(7) axis matches, and the groove (62) is used to place the balance weight (71) of balance shaft (7).
4. according to claim 1 be used for balance shaft both ends milling flat fixture, which is characterized in that the linkage section (31) and
The holding section (32) is integrally molded so as the handle (3), the linkage section (31) and hold section (32) angle in 130 °~
150°。
5. being used for the fixture of balance shaft both ends milling flat according to claim 3, which is characterized in that pressure holding bar (5) packet
Traversing section (51) and vertical section (52) are included, is fixedly connected in the middle part of described vertical section (52) one end and the traversing section (51), institute
It states vertical section (52) other end to be fixedly connected with the rocking bar (4), the trend of the traversing section (51) and the cylinder groove (61)
Axis it is parallel.
6. according to claim 5 be used for balance shaft both ends milling flat fixture, which is characterized in that the traversing section (51) and
The vertical section (52) is integrally molded so as the pressure holding bar (5), and the vertical section (52) and the rocking bar (4) are welded or bolt is solid
It is fixed.
7. being used for the fixture of balance shaft both ends milling flat according to claim 6, which is characterized in that the pressure holding bar (5) is solid
Setting is fixed at the rocking bar (4) far far from the rocking bar (4) hinged one end or pressure holding bar (5) in the rocking bar (4) calmly
Medium position from hinged one end to the rocking bar (4) of the rocking bar (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920208787.9U CN209565802U (en) | 2019-02-19 | 2019-02-19 | A kind of fixture for balance shaft both ends milling flat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920208787.9U CN209565802U (en) | 2019-02-19 | 2019-02-19 | A kind of fixture for balance shaft both ends milling flat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209565802U true CN209565802U (en) | 2019-11-01 |
Family
ID=68333889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920208787.9U Expired - Fee Related CN209565802U (en) | 2019-02-19 | 2019-02-19 | A kind of fixture for balance shaft both ends milling flat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209565802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648359A (en) * | 2019-02-19 | 2019-04-19 | 重庆白云化工研究所 | A kind of fixture for balance shaft both ends milling flat |
-
2019
- 2019-02-19 CN CN201920208787.9U patent/CN209565802U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648359A (en) * | 2019-02-19 | 2019-04-19 | 重庆白云化工研究所 | A kind of fixture for balance shaft both ends milling flat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 Termination date: 20200219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |