CN208592626U - A kind of Crankshaft Machining fixture - Google Patents
A kind of Crankshaft Machining fixture Download PDFInfo
- Publication number
- CN208592626U CN208592626U CN201821324408.4U CN201821324408U CN208592626U CN 208592626 U CN208592626 U CN 208592626U CN 201821324408 U CN201821324408 U CN 201821324408U CN 208592626 U CN208592626 U CN 208592626U
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- CN
- China
- Prior art keywords
- crankshaft
- fixedly connected
- fixing seat
- locating piece
- shell
- 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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Abstract
The utility model relates to positioning device technical fields, in particular a kind of Crankshaft Machining fixture, including shell, fixing seat and crankshaft locating piece, screw hole is provided in the fixing seat, position-limiting drum is fixedly connected on the inside of the fixing seat, spring is fixedly connected on the inside of the position-limiting drum, the spring one end is fixedly connected with crankshaft locating piece, guide rod is fixedly connected on the inside of the shell, drive screw is rotatably connected on the inside of the shell, the drive screw outer helical is connected with clamp block, the clamp block side is fixedly connected with rubber pad, described drive screw one end is fixedly connected with bevel gear, the bevel gear outer helical is connected with driving gear；In the utility model, crankshaft is positioned by the crankshaft locating piece of setting, fixes crankshaft by the clamp block of setting, improves the portability and operability of device, there are huge economic benefit and extensive market prospects, be worth of widely use.
Description
Technical field
The utility model relates to positioning device technical field, specially a kind of Crankshaft Machining fixture.
Background technique
Engine be it is a kind of can the machine that can be converted into mechanical energy of other forms, including as internal combustion engine, external-combustion engine,
Chemical energy is usually converted into mechanical energy such as internal combustion engine by motor etc., and crankshaft is the main rotating mechanism of engine, it is carried on a shoulder pole
Bear and pumping for piston be changed into the circular motion of itself, the structure of crankshaft be it is extremely exquisite, cleverly design
There are the structures such as main shaft, pitman shaft, crank, balance weight and oil duct, but just because of the ingenious of its structure, process is accordingly
It is complex.
During machining crankshafts, generally all needs to grip one end of crankshaft, prevent the process in processing
Movement, which occurs, for middle crankshaft causes the crankshaft processed undesirable, due to the particularity of crankshaft structure, currently, machining crankshafts
Crankshaft one end is typically first clamped, unloads crankshaft after processing one section, the position for adjusting crankshaft again clamps it, then again
Processing, due to being manual operation, it cannot be guaranteed that therefore the concentricity of crankshaft proposes that a kind of Crankshaft Machining is used regarding to the issue above
Fixture.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of Crankshaft Machining fixture
Problem.
To achieve the above object, the utility model provides the following technical solutions:
A kind of Crankshaft Machining fixture, including shell, fixing seat, crankshaft locating piece and clamp system, in the fixing seat
It is provided with screw hole, position-limiting drum is fixedly connected on the inside of the fixing seat, is fixedly connected with spring, the spring on the inside of the position-limiting drum
One end is fixedly connected with crankshaft locating piece, and guide rod is fixedly connected on the inside of the shell, is rotatably connected on the inside of the shell
Drive screw, the drive screw outer helical are connected with clamp block, and the clamp block side is fixedly connected with rubber pad,
Described drive screw one end is fixedly connected with bevel gear, and the bevel gear outer helical is connected with driving gear.
Preferably, the driving gear is internal gear.
Preferably, the guide rod is slidably connected with clamp block, is fixedly connected with fixing seat.
Preferably, crankshaft locating piece one end is to fall in tip, tip chamfering and crankshaft output end to be processed or front end
Agree at angle.
Preferably, the crankshaft locating piece engages with position-limiting drum, and position-limiting drum is fixedly connected on fixing seat bottom end center.
Compared with prior art, the utility model has the beneficial effects that
1, in the utility model, by the crankshaft locating piece of setting, spring and position-limiting drum, it can be achieved that crankshaft in fixture
Positioning, and crankshaft fastens with locating piece, it is ensured that the concentricity of crankshaft and processing equipment also can avoid pacifying again after removing
Concentricity when dress is not identical；
2, in the utility model, by the driving gear of setting, bevel gear and drive screw be may be implemented from fixture shell
The movement and clamping of outside control inside clamp block；The operability of device is improved, with huge economic benefit and extensively
General market prospects, are worth of widely use.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the mounting structure schematic diagram of the utility model crankshaft；
Fig. 3 is the utility model appearance diagram.
In figure: 1- shell, 2- fixing seat, 3- driving gear, 4- spring, 5- crankshaft locating piece, 6- bevel gear, 7- are driven spiral shell
Bar, 8- guide rod, 9- clamp block, 10- rubber pad, 11- position-limiting drum, 12- crankshaft, a- positioning screw hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution:
A kind of Crankshaft Machining fixture, including shell 1, fixing seat 2 and crankshaft locating piece 5 are provided with spiral shell in the fixing seat 2
Hole a is fixedly connected with position-limiting drum 11 on the inside of the fixing seat 2, spring 4, the bullet is fixedly connected on the inside of the position-limiting drum 11
4 one end of spring is fixedly connected with crankshaft locating piece 5, and guide rod 8 is fixedly connected on the inside of the shell 1, is rotated on the inside of the shell 1
It is connected with drive screw 7,7 outer helical of drive screw is connected with clamp block 9, and 9 side of clamp block is fixed to be connected
It is connected to rubber pad 10, described 7 one end of drive screw is fixedly connected with bevel gear 6, and 6 outer helical of bevel gear is connected with actively
Gear 3.
The driving gear 3 is internal gear, is connect, be may be implemented with the spiral of bevel gear 6 by the internal tooth of driving gear 3
The rotation of drive screw 7, so that the movement of clamp block 9 is to clamp crankshaft 12, the guide rod 8 is slidably connected with clamp block 9,
It is fixedly connected with fixing seat 2, can be rotated to avoid clamp block 9 around 7 axis of drive screw, effectively limit the movement of clamp block 9
Direction, described 5 one end of crankshaft locating piece are tip, and tip chamfering is agreed with 12 output end of crankshaft to be processed or front end inner chamfer,
Precise positioning when crankshaft 12 positions may be implemented, the crankshaft locating piece 5 engages with position-limiting drum 11, and the fixed company of position-limiting drum 11
It connects in 2 bottom end of fixing seat center, when can be installed by 12 secondary operation of ensuring coaxiality crankshaft of fixture and process equipment
Concentricity.
Workflow: it is existing when use coaxially to fix fixture with lathe for machining, positioning screw hole a is passed through by bolt and is fixed,
The output end of crankshaft 12 to be processed or front end inner chamfer are engaged with 5 left end of crankshaft locating piece and along 5 central axis of crankshaft locating piece
It being promoted into fixture, rotates driving gear 3, the internal tooth of driving gear 3 is that band dynamic bevel gear 6 and drive screw 7 rotate coaxially,
Under the restriction effect of guide rod 8, clamp block 9 can only be moved along guide rod 8, due to guide rod 8 and drive screw 7 be it is tilting,
Clamp block 9 while lateral displacement also can upper and lower displacement make engage diameter reduce, until with crankshaft 12 to be processed clamp, i.e.,
Complete the positioning and clamping for treating machining crankshafts 12.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of Crankshaft Machining fixture, including shell (1), fixing seat (2) and crankshaft locating piece (5), it is characterised in that: described
It is provided with positioning screw hole (a) in fixing seat (2), is fixedly connected with position-limiting drum (11), the position-limiting drum on the inside of the fixing seat (2)
(11) inside is fixedly connected with spring (4), and described spring (4) one end is fixedly connected with crankshaft locating piece (5), the shell (1)
Inside is fixedly connected with guide rod (8), is rotatably connected to drive screw (7) on the inside of the shell (1), the drive screw (7)
Outer helical is connected with clamp block (9), and clamp block (9) side is fixedly connected with rubber pad (10), the transmission spiral shell
Bar (7) one end is fixedly connected with bevel gear (6), and bevel gear (6) outer helical is connected with driving gear (3).
2. a kind of Crankshaft Machining fixture according to claim 1, it is characterised in that: the driving gear (3) is internal tooth
Wheel.
3. a kind of Crankshaft Machining fixture according to claim 1, it is characterised in that: the guide rod (8) and anchorage clip
Block (9) is slidably connected, and is fixedly connected with fixing seat (2).
4. a kind of Crankshaft Machining fixture according to claim 1, it is characterised in that: described crankshaft locating piece (5) one end
For tip, tip chamfering is agreed with crankshaft to be processed (12) output end or front end inner chamfer.
5. a kind of Crankshaft Machining fixture according to claim 1, it is characterised in that: the crankshaft locating piece (5) and limit
Position cylinder (11) engages, and position-limiting drum (11) is fixedly connected on fixing seat (2) bottom end center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821324408.4U CN208592626U (en) | 2018-08-16 | 2018-08-16 | A kind of Crankshaft Machining fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821324408.4U CN208592626U (en) | 2018-08-16 | 2018-08-16 | A kind of Crankshaft Machining fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208592626U true CN208592626U (en) | 2019-03-12 |
Family
ID=65604980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821324408.4U Active CN208592626U (en) | 2018-08-16 | 2018-08-16 | A kind of Crankshaft Machining fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208592626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682234A (en) * | 2019-10-24 | 2020-01-14 | 嘉兴日正五金制造有限公司 | Clamping device is used in domestic electric power utensil production |
-
2018
- 2018-08-16 CN CN201821324408.4U patent/CN208592626U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682234A (en) * | 2019-10-24 | 2020-01-14 | 嘉兴日正五金制造有限公司 | Clamping device is used in domestic electric power utensil production |
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