CN207127356U - A kind of balance shaft gear hobbing tooling - Google Patents
A kind of balance shaft gear hobbing tooling Download PDFInfo
- Publication number
- CN207127356U CN207127356U CN201721035877.XU CN201721035877U CN207127356U CN 207127356 U CN207127356 U CN 207127356U CN 201721035877 U CN201721035877 U CN 201721035877U CN 207127356 U CN207127356 U CN 207127356U
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- base
- balance shaft
- sleeve block
- spring
- gear hobbing
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Abstract
The utility model discloses a kind of balance shaft gear hobbing tooling, including base, sleeve block and support set, the sleeve block is located above the base and is fixedly connected；Lasso is provided with the outside of the sleeve block, the lasso combines with the support set of top；The centre of the base and the sleeve block offers through hole, and the central shaft of two through holes is identical；Spring housing is provided with the through hole of the sleeve block；Regulating bolt is provided with the through hole of the base, and the end of the regulating bolt is connected with second spring, the upper end of the regulating bolt is extended in the through hole of the sleeve block to be threadedly coupled with the spring housing.To sum up, the beneficial effects of the utility model are：Using the structure of the turn, the turn is pulled down by the eccentric shaft, quickly axis clamping can will be balanced, improve operating efficiency；And the stability of workpiece can be ensured using this structure, reduce machining deformation, improve crudy.
Description
Technical field
It the utility model is related to engine components design field, and in particular to a kind of balance shaft gear hobbing tooling.
Background technology
In the working cycles of engine, the movement velocity of piston is very fast, and speed is very uneven.In upper and lower stop
Position, the speed of piston is zero, and the position and speed among upper and lower stop reaches highest.Because piston is done repeatedly in cylinder
High-speed straight-line motion, it is inevitable that very big inertia force is produced on piston, piston pin and connecting rod.The counterweight configured on connecting rod can
Effectively to balance the counterweight on these inertia force but connecting rod, only some moving-mass participates in linear motion, another part
Participate in rotation.In addition to upper and lower dead-centre position, various inertia force can not be fully balanced, and engine is generated vibration.In order to
Vibration is eliminated, is generally one balance shaft of increase by the way of in motorcycle engine to solve.But the processing of balance shaft
Precision greatly influences the performance of engine.During balanceable shaft processing, traditional frock is by top up and down, difference
To product both ends centre bore Double Tops, position by heart carrier for bolt, be then processed.Traditional frock work in-process, it is top up and down
By the control of hydraulic means, by the profile of product is controlled, pressure is excessive, and bent intermediate position is easier to deform, and causes
The product processed, gear bounce are overproof；Pressure is too small, and piece-holder is unstable, and the product face of gear processed is coarse
Spend overproof, more likely damage cutter and lathe.Therefore, we design a kind of balance shaft gear hobbing tooling, make balance shaft clamping fast
Degree is fast, and performance is more stable, and quality is improved.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of balance shaft gear hobbing tooling, the balance
One end that axle gear hobbing tooling clamps balance shaft using spring housing pulls down, and using the upper top structure being pressed downward by balance shaft pressure
Tightly, and using the combination of the support set and the lasso, the gear ring of balance shaft is also supported by the reaction force of spring, is subtracted
Small machining deformation, the clamping stability of workpiece is kept, improve the amount of processing.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of balance shaft gear hobbing tooling, including base, sleeve block and support set, the sleeve block are located above the base
And it is fixedly connected；Lasso is provided with the outside of the sleeve block, the lasso combines with the support set of top；
The centre of the base and the sleeve block offers through hole, and the central shaft of two through holes is identical；The axle
Spring housing is provided with the through hole of block set；Regulating bolt is provided with the through hole of the base, and the end of the regulating bolt is connected with
Second spring, the upper end of the regulating bolt is extended in the through hole of the sleeve block to be threadedly coupled with the spring housing；It is described
The through hole lower end of base is provided with plug bolt, and the plug bolt is connected with the second spring；The regulating bolt is connected with
Eccentric shaft, bushing is nested with the eccentric shaft；
The side of the lasso is fixedly connected with the base by connector, and the connector is provided with the first spring,
And first spring upper end is connected with the lasso, lower end is connected with the base.
Preferably, be cavity on the inside of the support set, and the inwall of the cavity is provided with two groups of spacing latches, distribution
In the both sides of balance shaft, by balance shaft clamping.
Preferably, the top of the sleeve block is provided with the second spigot surface, the top of the spring housing is provided with first and is oriented to
Face, first spigot surface and second spigot surface are circular conical surface, and first spigot surface and second spigot surface
It is slidably matched.
Preferably, being additionally provided with clamping section on the inside of the spring housing, the clamping section is provided with the annular in gap between being
Structure.
Preferably, the support set is connected with the lasso by way of screw thread.
Preferably, the sleeve block is interference fitted with the lasso.
Preferably, the base is fixedly connected with the sleeve block with the first screw；The base is used with the axle sleeve
Second screw is fixedly connected.
Using such scheme, in clamping, balance shaft is put into the clamping section of the spring housing, passes through the work of eccentric wheel
With, the first spigot surface of the spring housing is oriented to along described second and slide downwards, and in the presence of the second spigot surface power,
The clamping section of the spring housing clamps one end of balance shaft, and the upper end area of the support set is less than the gear ring face of balance shaft
Product, can support balance shaft, and in the presence of top, balancing axial is pushed, and be set between the lasso and the base
There is gap, in the presence of first spring, the gear ring position of the balance shaft can be supported using reaction force, so as to subtract
Small machining deformation, improve crudy.
To sum up, the beneficial effects of the utility model are：Using the structure of the turn, by the eccentric shaft by institute
Turn drop-down is stated, quickly axis clamping can will be balanced, improve operating efficiency；And workpiece can be ensured using this structure
Stability, reduce machining deformation, improve crudy.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is positive full sectional view of the present utility model；
Fig. 2 is the structure chart of sleeve block of the present utility model；
Fig. 3 is the structure chart of spring housing of the present utility model.
Description of reference numerals is as follows：
1st, base；2nd, plug bolt；3rd, the first screw；4th, second spring；5th, eccentric shaft；6th, bushing；7th, regulating bolt；8、
First spring；9th, lasso；10th, the second screw；11st, spacing latch；12nd, balance shaft；13rd, support set；14th, spring housing；141st, press from both sides
Tight portion；142nd, the first spigot surface；15th, sleeve block；151st, the second spigot surface；16th, it is top.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the present invention, obtained by those of ordinary skill in the art are not on the premise of creative work is made
All other embodiment, belong to the scope protected of the present invention.
Referring to shown in Fig. 1-Fig. 3, the utility model provides a kind of balance shaft gear hobbing tooling, including base 1, sleeve block 15
With support set 13, the sleeve block 15 is located at the top of base 1 and is fixedly connected；The outside of sleeve block 15 is provided with lasso 9,
The lasso 9 combines with the support set 13 of top；The support set 13 is used for the gear ring for supporting balance shaft 12, and described
Lasso 9 and the base 1 are provided with the first spring 8, and top 16 when pushing balance shaft 12, can be with the reaction of the first spring 8
Stable support balance shaft 12, reduce machining deformation；
The centre of the base 1 and the sleeve block 15 offers through hole, and the central shaft of two through holes is identical；It is described
Spring housing 14 is provided with the through hole of sleeve block 15, is clamped one end of balance shaft 12 using the spring housing 14；The base 1
Regulating bolt 7 is provided with through hole, and the end of the regulating bolt 7 is connected with second spring 4, the upper end of the regulating bolt 7 is prolonged
Reach and be threadedly coupled in the through hole of the sleeve block 15 with the spring housing 14；The through hole lower end of the base 1 is provided with plug spiral shell
Bolt 2, and the plug bolt 2 is connected with the second spring 4；The regulating bolt 7 is connected with eccentric shaft 5, embedding on the eccentric shaft 5
It is cased with bushing 6；The eccentric shaft 5 rotates, and pulls downward on the regulating bolt 7, and the regulating bolt 7 drives the spring housing 14
Slide downward, in the presence of first spigot surface 142 and second spigot surface 151, the clamping section of the spring housing 14
141 clamp the end of balance shaft 12；
The side of the lasso 9 is fixedly connected with the base 1 by connector, and the connector is provided with the first spring
8, and the upper end of the first spring 8 is connected with the lasso 9, lower end is connected with the base 1；
To ensure that balance shaft 12 does not rotate in processing, preferably, the inner side of the support set 13 is cavity, and the sky
The inwall of chamber is provided with two groups of spacing latches 11, is distributed in the both sides of balance shaft 12, and by the clamping of balance shaft 12, every group has two limits
Balance shaft 12 is clipped in the middle by position latch 11, two spacing latches 11, and the spacing latch 11 adds with the one of support set 13
Work is molded.
Balance shaft 12 is clamped for convenience of spring housing 14, the top of the sleeve block 15 is provided with the second spigot surface 151, described
The top of spring housing 14 is provided with the first spigot surface 142, and first spigot surface 142 and second spigot surface 151 are circular cone
Face, and first spigot surface 142 is slidably matched with second spigot surface 151；Preferably, the inner side of the spring housing 14
Clamping section 141 is additionally provided with, the clamping section 141 is provided with the loop configuration in gap between being.
Preferably, the support set 13 is connected with the lasso 9 by way of screw thread；The sleeve block 15 with it is described
Lasso 9 is interference fitted；The base 1 is fixedly connected with the sleeve block 15 with the first screw 3；The base 1 and the axle sleeve
It is fixedly connected with the second screw 10.
Using such scheme, in clamping, balance shaft 12 is put into the clamping section 141 of the spring housing 14, passes through bias
The effect of wheel, make the first spigot surface 142 of the spring housing 14 along second spigot surface 151 to downslide, and led second
To in the presence of the power of face 151, the clamping section 141 of the spring housing 14 clamps one end of balance shaft 12, the support set 13
Upper end area is less than the gear ring area of balance shaft 12, can support balance shaft 12, and in the presence of top 16, by balance shaft
12 are pressed downward, and are provided with gap between the lasso 9 and the base 1, in the presence of first spring 8, utilize reaction
Power can support the gear ring position of the balance shaft 12, so as to reduce machining deformation, improve crudy.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model requires protection scope
Defined by appended claims and its effect thing.
Claims (7)
- A kind of 1. balance shaft gear hobbing tooling, it is characterised in that：Including base (1), sleeve block (15) and support set (13), the axle Block set (15) is located above the base (1) and is fixedly connected；Lasso (9), the lasso are provided with the outside of the sleeve block (15) (9) combined with the support set (13) of top；The base (1) and the centre of the sleeve block (15) offer through hole, and the central shaft of two through holes is identical；It is described Spring housing (14) is provided with the through hole of sleeve block (15)；Regulating bolt (7), and the tune are provided with the through hole of the base (1) The end of section bolt (7) is connected with second spring (4), and the upper end of the regulating bolt (7) extends to the logical of the sleeve block (15) It is threadedly coupled in hole with the spring housing (14)；The through hole lower end of the base (1) is provided with plug bolt (2), and the plug spiral shell Bolt (2) is connected with the second spring (4)；The regulating bolt (7) is connected with eccentric shaft (5), is nested with the eccentric shaft (5) Bushing (6)；The side of the lasso (9) is fixedly connected with the base (1) by connector, and the connector is provided with the first spring (8), and the first spring (8) upper end is connected with the lasso (9), and lower end is connected with the base (1).
- A kind of 2. balance shaft gear hobbing tooling according to claim 1, it is characterised in that：It is sky on the inside of the support set (13) Chamber, and the inwall of the cavity is provided with two groups of spacing latches (11), the both sides of balance shaft (12) is distributed in, by balance shaft (12) Clamping.
- A kind of 3. balance shaft gear hobbing tooling according to claim 1, it is characterised in that：The top of the sleeve block (15) is set There is the second spigot surface (151), the top of the spring housing (14) is provided with the first spigot surface (142), first spigot surface (142) It is circular conical surface with second spigot surface (151), and first spigot surface (142) and second spigot surface (151) are sliding It is dynamic to coordinate.
- A kind of 4. balance shaft gear hobbing tooling according to claim 3, it is characterised in that：The inner side of the spring housing (14) is also Provided with clamping section (141), the clamping section (141) is provided with the loop configuration in gap between being.
- A kind of 5. balance shaft gear hobbing tooling according to claim 1, it is characterised in that：The support set (13) and the set Circle (9) is connected by way of screw thread.
- A kind of 6. balance shaft gear hobbing tooling according to claim 1, it is characterised in that：The sleeve block (15) and the set Enclose (9) interference fit.
- A kind of 7. balance shaft gear hobbing tooling according to claim 1, it is characterised in that：The base (1) and the axle sleeve Seat (15) is fixedly connected with the first screw (3)；The base (1) is fixedly connected with the axle sleeve with the second screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035877.XU CN207127356U (en) | 2017-08-18 | 2017-08-18 | A kind of balance shaft gear hobbing tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035877.XU CN207127356U (en) | 2017-08-18 | 2017-08-18 | A kind of balance shaft gear hobbing tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207127356U true CN207127356U (en) | 2018-03-23 |
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ID=61635440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721035877.XU Active CN207127356U (en) | 2017-08-18 | 2017-08-18 | A kind of balance shaft gear hobbing tooling |
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| Country | Link |
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| CN (1) | CN207127356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262084A (en) * | 2018-12-05 | 2019-01-25 | 江苏罡阳股份有限公司 | A kind of hobbing device for the balance shaft with bending bar portion |
-
2017
- 2017-08-18 CN CN201721035877.XU patent/CN207127356U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262084A (en) * | 2018-12-05 | 2019-01-25 | 江苏罡阳股份有限公司 | A kind of hobbing device for the balance shaft with bending bar portion |
| CN109262084B (en) * | 2018-12-05 | 2024-05-10 | 江苏罡阳股份有限公司 | Hobbing device for balance shaft with bent rod part |
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