CN208099969U - A kind of crankshaft grinding machine facilitating positioning - Google Patents
A kind of crankshaft grinding machine facilitating positioning Download PDFInfo
- Publication number
- CN208099969U CN208099969U CN201820671741.6U CN201820671741U CN208099969U CN 208099969 U CN208099969 U CN 208099969U CN 201820671741 U CN201820671741 U CN 201820671741U CN 208099969 U CN208099969 U CN 208099969U
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- crankshaft
- down assembly
- limit
- pedestal
- shell
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Abstract
The utility model provides a kind of crankshaft grinding machine for facilitating positioning, including：Pedestal, support base, a left side holds down assembly, the right side holds down assembly and two lifting assemblies, the support base for being used to support crankshaft is installed on pedestal, a left side holds down assembly to be mounted on the base by a lifting assembly, to go up and down the left position to hold down assembly in the vertical direction, the right side holds down assembly to be mounted on the base by another lifting assembly, to go up and down the right position to hold down assembly in the vertical direction, a left side holds down assembly for being aligned with crankshaft left end, the right side holds down assembly for being aligned with crankshaft right end, a left side holds down assembly, and hold down assembly with the right side can be when a left side holds down assembly and is aligned with crankshaft left end and the right side holds down assembly when being aligned with crankshaft right end and upper from horizontal direction to clamp crankshaft, solve the problems, such as in the prior art because the size of different model crankshaft is variant and while leading to crankshaft grinding, cannot carry out positioning to crankshaft and clamp.
Description
Technical field
The utility model relates to crankshaft grinding machine technical fields, and in particular to a kind of crankshaft grinding machine for facilitating positioning.
Background technique
Crankshaft is the main rotary gadget of engine, can accept the reciprocating motion of connecting rod and be transformed into rotary motion.One
As made of structural carbon steel or spheroidal graphite cast-iron, including trunnion and connecting rod neck.Crankshaft grinding machine is mainly setting for machining crankshafts
It is standby, crankshaft is held by the fixed shelf of the crankshaft grinding machine, it is processed, furthermore, it is desirable to pass through the master of the crankshaft grinding machine
Axis is top to carry out centralized positioning to the crankshaft.
Chinese patent disclose it is a kind of application No. is the pre-indexing locating device of connecting rod neck of crankshaft grinding machine of 201120212730.X,
It is equipped with Curved shaft support positioning mechanism and pre- dividing and positioning mechanism, and supporting and positioning mechanism includes supporter and is mounted on supporter
V-arrangement supporting block, positioning seat, two V-arrangement supporting blocks are supported under crankshaft two end trunnion, and positioning seat is supported on one connecting rod of crankshaft
Neck side, the circumferentially positioned column of horizontal connection thereon one；The pre- dividing and positioning mechanism includes a ring flange, flange positioning column,
Ring flange and crankshaft big end outer circle cooperate, and lower part is equipped with pre- indexing locating slot, and flange positioning column is equipped with the pre- of round pin and ring flange
Locating slot cooperation is indexed, ring flange is integral by housing screw and crankshaft group.It is pressed from both sides although the positioning device is realized with grinding machine
Tool is matched for clamping tightly crankshaft, but there are the shortcomings that be：
Since the crankshaft model that different companies needs is different, the size of the crankshaft of different model is different, therefore works as
After supporting block supports crankshaft, due to the size difference of crankshaft, cause the relatively pre- dividing and positioning mechanism in crankshaft end center compared with
It is high or lower, cause pre- dividing and positioning mechanism that cannot cooperate with crankshaft end outer circle, therefore existing can not be to by crankshaft end
The heart carries out the defect of positioning clamping to crankshaft.
Utility model content
The utility model will provide a kind of crankshaft grinding machine for facilitating positioning, solve in the prior art because different model is bent
The size of axis is variant and leads to that crankshaft cannot be carried out the problem of positioning clamps when crankshaft grinding.
To achieve the above object, the utility model uses the following technical solution：A kind of crankshaft grinding machine facilitating positioning,
Including：Pedestal, support base, a left side holds down assembly, the right side holds down assembly and two lifting assemblies, is equipped on pedestal and is used to support song
The support base of axis, a left side holds down assembly to be mounted on the base by a lifting assembly, is held down assembly in the vertical direction with going up and down a left side
Position, the right side holds down assembly to be mounted on the base by another lifting assembly, with lifting the right side hold down assembly in the vertical direction
Position, a left side hold down assembly for being aligned with crankshaft left end, and the right side holds down assembly for being aligned with crankshaft right end, and a left side holds down assembly and the right side
Holding down assembly can be when a left side holds down assembly and is aligned with crankshaft left end and the right side holds down assembly when being aligned with crankshaft right end from horizontal direction
Upper clamping crankshaft.
Compared with the prior art, the utility model has the advantages that：Crankshaft to be processed is placed on support base,
The rising driving mechanism being located on elevating lever is adjusted, is aligned so that a left side holds down assembly with crankshaft left end, the right side holds down assembly and crankshaft
Right end alignment, a left side, which holds down assembly, to hold down assembly with the right side when a left side holds down assembly and is aligned with crankshaft left end and the right side holds down assembly and crankshaft
It is upper from horizontal direction when right end is aligned to clamp crankshaft, solve in the prior art because the size of different model crankshaft is variant and
Lead to that crankshaft cannot be carried out the problem of positioning clamps when crankshaft grinding.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the crankshaft grinding machine for facilitating positioning of the utility model.
Fig. 2 is enlarged drawing at A in Fig. 1.
Fig. 3 is the structural schematic diagram of upper lifting mechanism.
Fig. 4 is enlarged drawing at B in Fig. 3.
Fig. 5 is a kind of side view for the crankshaft grinding machine for facilitating positioning of the utility model.
Specific embodiment
In order to make technological means of the utility model, creation characteristic, reach purpose and effect is more clear and is easy to
Understand, the utility model is further elaborated with reference to the accompanying drawings and detailed description：
As shown in Figure 1, the utility model proposes a kind of crankshaft grinding machines for facilitating positioning, including：Pedestal 1, support base 3,
The a left side 4, right side that holds down assembly holds down assembly 5 and two lifting assemblies, and the support base 3 for being used to support crankshaft 29 is equipped on pedestal 1,
A left side holds down assembly 4 to be mounted on pedestal 1 by a lifting assembly, is held down assembly 4 position in the vertical direction with a lifting left side, right
It holds down assembly and 5 is mounted on pedestal 1 by another lifting assembly, held down assembly 5 position in the vertical direction with the lifting right side, it is left
4 are held down assembly for be directed at 29 left end of crankshaft, the right side holds down assembly 5 for being aligned with 29 right end of crankshaft, and a left side holds down assembly 4 and the right side
Hold down assembly 5 can a left side hold down assembly 4 be aligned with crankshaft left end when and the right side hold down assembly 5 be aligned with crankshaft right end when from level side
Crankshaft 29 is clamped upwards.Crankshaft 29 to be processed is placed on support base, the rising driving mechanism being located on elevating lever 7 is adjusted,
So that the elongation of elevating lever 7 or shorten, thus adjust it is left hold down assembly 4 and right 5 position of holding down assembly reach left compression group
Part 4 and the right side, which hold down assembly, 5 upper from horizontal direction clamps crankshaft 29.It solves in the prior art because of different model crankshaft 29
Size is variant and causes crankshaft 29 that cannot carry out the problem of positioning clamps when being ground to crankshaft 29.
As shown in Fig. 2, each lifting assembly includes elevating lever 7 and rises driving mechanism, the two sides of pedestal 1 are divided
One elevating lever 7 is not installed, one end of the elevating lever 7 is extend into pedestal 1, and the 7 energy pedestal 1 relatively of elevating lever is vertical
It is moved on direction；The elevating lever 7 in the left side holds down assembly 4 for installing a left side；The elevating lever 7 on 1 right side of pedestal is for pacifying
The dress right side holds down assembly 5；Rising driving mechanism is mounted on each elevating lever 7, the rising driving mechanism includes：Rack gear 11,
Gear 12, connecting rod 13 help transfer part and limit transfer part, and the connecting rod 13 is mounted on pedestal 1 and is located in horizontal direction, even
13 pedestal 1 of extension bar passes through and is fixed with a gear 12, and connecting rod 13 can be rotated relative to pedestal 1, the gear 12 and a gear 12
Item engagement, the gear 12 are mounted on elevating lever 7, and the limit transfer part fixed with pedestal 1 is provided with by connecting rod 13, limit transfer part
Limiting gear 12 can be rotated by limitation connecting rod 13 to rotate, also gear 12 can be allowed to rotate by discharging connecting rod 13.
Connecting rod 13 is rotated clockwise to rotate clockwise with moving gear 12, since gear 12 is engaged with rack gear 11, i.e. 11 energy of rack gear
It is moved upwards under the guiding of gear 12, i.e. drive elevating lever 7 rises, to turn counterclockwise to rise the position to hold down assembly
Dynamic connecting rod 13 is rotated counterclockwise with moving gear 12, that is, reaches elevating lever decline, thus to decline the position to hold down assembly.
As shown in Figure 1, a left side holds down assembly and 4 includes：Erecting bed 2 and left thimble 6 are installed on the elevating lever 7 in the left side
There is an erecting bed 2, the erecting bed 2 is equipped with a left thimble for being aligned with crankshaft left end close to the right side 5 sides that hold down assembly
6.The right side, which holds down assembly, 5 includes：Rotating hydraulic cylinder 8 and right thimble 10 are equipped with a rotation liquid on the elevating lever 7 on the right side of pedestal 1
Cylinder pressure 8, the rotating hydraulic cylinder 8 are connected with a right thimble 10 for holding down assembly 4 extensions to the left.A left side hold down assembly 4 for
The alignment of 29 left end of crankshaft and right 5 left sides for being used to hold out against crankshaft 29 for being directed at rear left thimble 6 with 29 right end of crankshaft that hold down assembly,
Right thimble 10 can drive the right rotation of thimble 10 to drive to reach right thimble 10 for holding out against 29 right side of crankshaft, rotating hydraulic cylinder 8
Crankshaft 29 rotate together, in order to machining crankshafts 29 can also make the right side hold down assembly 5 to the right or left side movement, in order to add
The crankshaft 29 of the various length of work.
As shown in figure 3, the part that the connecting rod 13 is located at outside pedestal 1 offers a limit hole 14, pacify on the pedestal 1
Equipped with a crossbeam 16, the crossbeam 16 is located at by limit hole 14, and a limit transfer part is equipped on the crossbeam 16；The limit transfer part packet
Bayonet lock 18, shell 17, U-shaped pull rod 15, mounting bar 20 and position-limit mechanism are included, the position-limit mechanism is mounted on 17 body upper end of shell,
One first cavity 21 is formed in the shell 17, a mounting bar 20 is installed on 21 roof of the first cavity, mounting bar 20 connects
To one end of one first spring 19, the other end of first spring 19 is connected with a bayonet lock 18, and the bayonet lock 18 is pierced by shell
30 one end and 14 face of limit hole, bayonet lock 18 can be moved upwards in 13 Vertical Square of connecting rod under the guiding of shell 30, the U-shaped
The open end of pull rod 15 is inserted into shell 17 and fixes with bayonet lock 18, is equipped on shell 17 for when bayonet lock 18 and limit
Hole 14 is detached from the mobile position-limit mechanism of time limit fabrication pin 18, and position-limit mechanism is located at by U-shaped pull rod 15, under 19 elastic force of the first spring
It is able to maintain the state that bayonet lock 18 is inserted into limit hole 14.The effect of limit transfer part is used when regulating the position to hold down assembly
Limit the rotation of connecting rod 13, to reach the position for holding down assembly and being capable of fixing that can clamp crankshaft 29, concrete operations are when the
When one spring 19 is impaction state, position-limit mechanism is unclamped, so that bayonet lock 18 is inserted into limit hole 14 to reach limitation connecting rod
13 rotations pull U-shaped pull rod 15, and bayonet lock compresses the first spring 19, so that bayonet lock 18 exits limit hole 14, to reach release connection
Bar 13.
As shown in figure 4, the position-limit mechanism includes inserted link 24, bar shaped column 22, limited block 25, spacer pin 27 and torsional spring 28,
It is fixed with bar shaped column 22 on face of the shell 17 away from connecting rod 13, the bar shaped column 22 is located at by U-shaped pull rod 15, the U-shaped
A through-hole is offered on pull rod 15, offers one second cavity 23 in the bar shaped column 22, and inserted link 24 is from the side of bar shaped column 22
It across the first cavity 21 and can be inserted into the through-hole of U-shaped pull rod 15,24 two sides of inserted link are separately installed with one and are located at second
Limited block 25 in cavity 23, the side of the limited block 25 are connected to one end of a second spring 26, the second spring 26
The other end be connected on 23 inner wall of the second cavity, offer a card hole on each limited block 25, card hole is used to supply
The insertion of one spacer pin, 27 one end, 27 other end of spacer pin are mounted on 23 inner wall of the second cavity with being able to rotate, the limit
The side of pin 27 is fixed to 28 one end of a torsional spring, and 28 other end of torsional spring is fixed on 23 inner wall of the second cavity, in 28 elastic force of torsional spring
Under be able to maintain spacer pin 27 and be inserted into card hole, be in confined state when spacer pin 27 is inserted into second spring 26 in card hole, when
Push inserted link 24 that can make card under 26 elastic force of second spring to 15 direction of U-shaped pull rod when spacer pin 27 is inserted into card hole
Cross spacer pin 27 in hole.When inserted link 24 is inserted into the movement that limit bayonet lock 18 in shell 17, inserted link 24 is pushed to be located at
Limited block 25 on inserted link 24 compresses second spring 26, also and then compresses torsional spring 28 in the guiding lower limit pin 27 of limited block 25,
When unclamping inserted link 24, spacer pin 27 can cross card hole under the elastic force of second spring 26 and torsional spring 28, to reach release bayonet lock
18。
As shown in figure 5, the utility model further includes grinding subassembly, grinding subassembly includes：Motor 31, grinding wheel 9, wheel guard
34, shell 30, belt 33 and driven rod 32, are equipped with shell 30 by support base 3, and the wheel guard 34 is mounted on shell 30
On, the motor 31 is mounted on shell 30, and motor 31 is connected by a belt 33 with driven rod 32, and the driven rod 32 passes through
And it is fixed with the grinding wheel 9 for exposing wheel guard 34, grinding wheel 9 and the crankshaft being located on support base 3 are tangent.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (7)
1. a kind of crankshaft grinding machine for facilitating positioning, which is characterized in that including：Pedestal, support base, a left side hold down assembly, right compression group
Part and two lifting assemblies, are equipped with the support base for being used to support crankshaft on pedestal, and a left side holds down assembly through a lifting assembly
It is mounted on the base, to go up and down the left position to hold down assembly in the vertical direction, the right side holds down assembly is pacified by another lifting assembly
On pedestal, to go up and down the right position to hold down assembly in the vertical direction, a left side holds down assembly for being aligned with crankshaft left end, right
It holds down assembly for being aligned with crankshaft right end, a left side holds down assembly to hold down assembly to hold down assembly on a left side with the right side and be aligned with crankshaft left end
When and the right side hold down assembly when being aligned with crankshaft right end and upper from horizontal direction to clamp crankshaft.
2. a kind of crankshaft grinding machine for facilitating positioning according to claim 1, which is characterized in that each lifting assembly includes
Elevating lever and rising driving mechanism, the two sides of pedestal are separately installed with an elevating lever, and one end of the elevating lever extend into bottom
In seat, the elevating lever can move in the vertical direction relative to pedestal；
The elevating lever in the left side holds down assembly for installing a left side；
The elevating lever of the base right side holds down assembly for installing the right side；
Rising driving mechanism is mounted on each elevating lever, the rising driving mechanism includes：Rack gear, connecting rod, helps gear
Transfer part and limit transfer part, the connecting rod are mounted on the base and are located in horizontal direction, and connecting rod pedestal is passed through and is fixed with
One gear, connecting rod can be rotated relative to pedestal, and the gear is engaged with a gear bar, and the gear bar is mounted on elevating lever,
The limit transfer part fixed with pedestal is provided with by connecting rod, limit transfer part can rotate limiting gear rotation by limitation connecting rod, also
Gear can be allowed to rotate by discharging connecting rod.
3. a kind of crankshaft grinding machine for facilitating positioning according to claim 2, which is characterized in that a left side hold down assembly including：Peace
Platform and left thimble are filled, an erecting bed is installed on the elevating lever in the left side, the erecting bed holds down assembly side close to the right side
The one left thimble for being aligned with crankshaft left end is installed.
4. a kind of crankshaft grinding machine for facilitating positioning according to claim 2 or 3, which is characterized in that the right side hold down assembly including：
Rotating hydraulic cylinder and right thimble are equipped with a rotating hydraulic cylinder, the rotating hydraulic cylinder connection on the elevating lever of base right side
There is a right thimble for holding down assembly extension to the left.
5. a kind of crankshaft grinding machine for facilitating positioning according to claim 3, which is characterized in that the connecting rod is located at pedestal
Outer part offers a limit hole, a crossbeam is equipped on the pedestal, the crossbeam is located at by limit hole, on the crossbeam
One limit transfer part is installed；
The limit transfer part includes bayonet lock, shell, U-shaped pull rod, mounting bar and position-limit mechanism, and the position-limit mechanism is mounted on outer housing
Upper end forms one first cavity in the shell, is equipped with a mounting bar on the first cavity roof, and mounting bar is connected to one the
One end of one spring, the other end of first spring are connected with a bayonet lock, and the bayonet lock is pierced by one end and the limit hole of shell
Face, bayonet lock can be moved upwards in connecting rod Vertical Square under shell guiding, and the open end of the U-shaped pull rod is inserted into shell
And fixed with bayonet lock, it is equipped on the shell for when bayonet lock and limit hole are detached from the mobile position-limit mechanism of time limit fabrication pin, limit
Position mechanism is located at by U-shaped pull rod, and the state that bayonet lock is inserted into limit hole is able to maintain under the first spring force.
6. a kind of crankshaft grinding machine for facilitating positioning according to claim 5, which is characterized in that the position-limit mechanism includes inserting
Bar, bar shaped column, limited block, spacer pin and torsional spring are fixed with bar shaped column, bar shaped column position on face of the shell away from connecting rod
By U-shaped pull rod, a through-hole is offered on the U-shaped pull rod, offers one second cavity in the bar shaped column, and inserted link is from bar shaped
The side of column passes through and the first cavity and can be inserted into the through-hole of U-shaped pull rod, and the inserted link two sides are separately installed with one positioned at the
Limited block in two cavitys, the side of the limited block are connected to one end of a second spring, the other end of the second spring
It is connected on the second cavity inner wall, a card hole is offered on each limited block, card hole is used to for a spacer pin one end
Insertion, the spacer pin other end are mounted on the second cavity inner wall with being able to rotate, and the side of the spacer pin is fixed to a torsion
Spring one end, the torsional spring other end are fixed on the second cavity inner wall, are able to maintain spacer pin under torsional spring elastic force and are inserted into card hole, work as limit
Position pin is inserted into second spring in card hole and is in confined state, when spacer pin is inserted into card hole to U-shaped pull rod place side
Card hole can be made to cross spacer pin under second spring elastic force to promotion inserted link.
7. a kind of crankshaft grinding machine for facilitating positioning according to claim 1, which is characterized in that further include grinding subassembly；
Grinding subassembly includes：Motor, grinding wheel, wheel guard, shell, belt and driven rod are equipped with shell by support base, described
Wheel guard is mounted on shell, and the motor is mounted on shell, and motor is connected by a belt with driven rod, the driven rod
The grinding wheel for exposing wheel guard is passed through and is fixed with, grinding wheel and the crankshaft being located on support base are tangent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820671741.6U CN208099969U (en) | 2018-05-04 | 2018-05-04 | A kind of crankshaft grinding machine facilitating positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820671741.6U CN208099969U (en) | 2018-05-04 | 2018-05-04 | A kind of crankshaft grinding machine facilitating positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208099969U true CN208099969U (en) | 2018-11-16 |
Family
ID=64115330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820671741.6U Expired - Fee Related CN208099969U (en) | 2018-05-04 | 2018-05-04 | A kind of crankshaft grinding machine facilitating positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208099969U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571334A (en) * | 2020-05-09 | 2020-08-25 | 黄淮学院 | Intelligent automatic grinding device of bent axle |
| CN114986281A (en) * | 2022-06-07 | 2022-09-02 | 新煌集团湘潭新煌曲轴制造有限公司 | Quick positioner of bent axle grinding |
-
2018
- 2018-05-04 CN CN201820671741.6U patent/CN208099969U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571334A (en) * | 2020-05-09 | 2020-08-25 | 黄淮学院 | Intelligent automatic grinding device of bent axle |
| CN111571334B (en) * | 2020-05-09 | 2021-06-04 | 黄淮学院 | Intelligent automatic grinding device of bent axle |
| CN114986281A (en) * | 2022-06-07 | 2022-09-02 | 新煌集团湘潭新煌曲轴制造有限公司 | Quick positioner of bent axle grinding |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 Termination date: 20210504 |