CN203557239U - Grinding device for water pump shaft - Google Patents
Grinding device for water pump shaft Download PDFInfo
- Publication number
- CN203557239U CN203557239U CN201320654515.4U CN201320654515U CN203557239U CN 203557239 U CN203557239 U CN 203557239U CN 201320654515 U CN201320654515 U CN 201320654515U CN 203557239 U CN203557239 U CN 203557239U
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- China
- Prior art keywords
- pump shaft
- thin film
- film chuck
- screw
- lower support
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- 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 - Lifetime
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- 238000000227 grinding Methods 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 7
- 239000010409 thin film Substances 0.000 claims abstract description 55
- 230000008093 supporting effect Effects 0.000 claims abstract description 47
- 210000000078 claw Anatomy 0.000 claims description 23
- 229910001651 emery Inorganic materials 0.000 claims description 14
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 10
- 230000005489 elastic deformation Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model discloses a grinding device for a water pump shaft and belongs to the field of machinery. The grinding device comprises a base as well as an oil cylinder base, a head frame, a central support, a grinding wheel frame and the like which are sequentially arranged on the upper surface of the base, wherein a thin film chuck is installed on a spindle of the head frame through a flange; a plurality of clamping jaws are arranged on the thin film chuck; and the central support is perpendicularly installed between the thin film chuck and a grinding wheel. According to the grinding device for the water pump shaft, the water pump shaft is clamped or loosened by the aid of elastic deformation of the thin film chuck, the occupied clamping position is small, and a supporting surface of a lower support adopts an inclined surface, so that radial displacement of the shaft during grinding can be prevented; all that is required is to support the water pump shaft by one central support instead of a press wheel, so that grinding of steps and grooves of the multi-step water pump shaft with the small dual-channel center distance can be realized.
Description
Technical field
The utility model relates to a kind of pump shaft grinding attachment, belongs to mechanical field.
Background technology
The grinding of rolling bearing lasso adopts electric magnetic no-core clamp conventionally, has become a kind of standardization installation way of Bearing Grinding processing technology.But due to the particularity of pump shaft structure, more difficult employing electric magnetic no-core clamp.The processing and loading clamp mode of existing pump shaft raceway groove is that unilateral bearing drives pump shaft, support axle with double base, end face location, with pinch roller, push down axle again, can carry out grinding, because unilateral bearing needs certain clamping position, and the clamping of double base and pinch roller also needs certain space, cause the pump shaft of grinding to have certain limitation, entablement rank are more, and the pump shaft that two ditch centre-to-centre spacing is little is all difficult for adopting aforesaid way processing.At present, for pump shaft step grinding, adopt incision mill, but longer for length of bench more, exist grinding accuracy to be difficult for guaranteeing, easily produce the defects such as chatter mark.
In view of this, the inventor studies this, develops specially a kind of pump shaft grinding attachment, and this case produces thus.
Utility model content
Task of the present utility model is to provide a kind of simple in structure, easy to operate, can be used for the processing unit (plant) of pump shaft raceway groove and outer diameter of step grinding.
To achieve these goals, solution of the present utility model is:
A kind of pump shaft grinding attachment, comprise base, and be successively set on oil cylinder seat, the headstock, centre bearing and the grinding carriage of base upper surface, one side of oil cylinder seat is provided with oil cylinder, ring flange is installed on the headstock, thin film chuck is arranged on by ring flange on the main shaft of the headstock, and described thin film chuck is provided with several claws, for supporting pump shaft; Grinding carriage is provided with emery wheel near thin film chuck side, for grinding pump shaft, the piston rod of oil cylinder by push rod with contact with the center of thin film chuck, described push rod is slidably mounted in the centre bore of ring flange, and above-mentioned piston rod, push rod, headstock spindle, ring flange, thin film chuck are on same axis; Described centre bearing is vertically mounted between thin film chuck and emery wheel, for supporting pump shaft.
Above-mentioned ring flange is coordinated and is arranged on the main shaft of the headstock by end cap, thrust bearing and locking nut successively.
Above-mentioned thin film chuck, comprises the chassis of a circle, and center chassis is provided with a screw, and supporting is arranged on chassis by screw, and described supporting is used for supporting pump shaft end face, plays axial location effect; Chassis is provided with several claws of equidistantly arranging, and described claw forms an annulus; The edge of chuck is provided with several through holes, for the bolt of fixing use is installed; Above-mentioned thin film chuck chassis is bolted to connection on ring flange.
The top of above-mentioned supporting is provided with a screw radially, for the screw of station pump axle is installed.
As preferably, the chassis of above-mentioned thin film chuck is provided with 6 claws of equidistantly arranging, and the milling of claw top end is flat, and is provided with a screw radially, and for mounting support screw, described supporting screw is mainly used in the supporting of pump shaft circumferencial direction.
Described thin film chuck adopts 65Mn spring steel.
Described centre bearing comprises a supporting base, and be arranged on upper support and the lower support of supporting base upper end, the bottom of supporting base is arranged on base, described upper support and lower support include a cramp bar and bearing-surface, are further provided with upper support and adjust screw rod and lower support adjustment screw rod, wherein on supporting base, upper support is adjusted screw rod and is connected with upper support bar, for regulating the position of pump shaft horizontal direction, lower support is adjusted screw rod and is connected with lower support bar, for regulating the position of pump shaft vertical direction.
As preferably, the bearing-surface that upper support contacts with pump shaft is a vertical plane, the bearing-surface that lower support contacts with pump shaft is an inclined plane, and lower support adjusting screw(rod) passes through to regulate the position in lower support face horizontal direction, and then regulates the height in pump shaft vertical direction by gradient.Lower support surface adopts inclined plane, can prevent that axle from producing radial displacement when grinding.
On supporting base, be further provided with several hold-down screws, comprise upper support hold-down screw, lower support hold-down screw and base hold-down screw etc., wherein, upper support hold-down screw is connected with the cramp bar of upper support, when adjusting behind pump shaft horizontal direction position, with the position of the fixing upper support of upper support hold-down screw, prevent that it from moving; In like manner, lower support hold-down screw is connected with the cramp bar of lower support, when adjusting behind pump shaft vertical direction position, with the position of the fixing lower support of upper support hold-down screw, prevents that it from moving; Base hold-down screw is arranged on the lower end of supporting base, for supporting base is fixed on to base.
Above-mentioned pump shaft grinding process, comprises the steps:
1) thin film chuck is arranged on by ring flange on the main shaft of the headstock, drives ring flange, thereby main shaft is rotated together with locking nut with ring flange, thin film chuck, thrust bearing by the external screw thread straight pin on the headstock;
2) oil cylinder oil inlet, cylinder piston rod is to the motion of headstock direction, and under push rod active force, thin film chuck center is subject to external force, produce strain, make the supporting screw of six claws produce this radial displacement of micro-radial displacement and be generally adjusted to 0.1～0.15mm, now, pump shaft to be ground is inserted in the supporting of thin film chuck, after installing, cylinder piston rod exits, and push rod loosens, and six claws of thin film chuck restore;
3) adjust six, thin film chuck claw top screw, by upper support, adjust the front and back of screw rod and the centre bearing of lower support adjustment screw rod free adjustment simultaneously, upper-lower position, make the pump shaft horizontal supporting of grinding, with amesdial adjust to pump shaft beat for 0.001mm time, spell six, tight claw top supporting screw, thin film chuck and ring flange rotate with headstock spindle, because thin film chuck has clamped pump shaft, pump shaft rotates together with headstock spindle, now emery wheel is aimed to the position that pump shaft is wanted grinding, then grinding pump shaft raceway groove or step; During grinding raceway groove, emery wheel is circular arc finishing, and during grinding step, emery wheel is straight line finishing.
4) after pump shaft grinding finishes, emery wheel exits, and oil cylinder is oil-feed again, and push rod is pushed thin film chuck center to, makes six claws produce radial displacement and unclamps the good pump shaft of grinding, takes out workpiece, changes next axle to be ground simultaneously.
The strain that above-mentioned pump shaft grinding attachment utilizes thin film chuck to produce, clamp or loosen pump shaft, clamped position engaged position is few, and the bearing-surface of lower support adopts inclined plane, can prevent that axle from producing radial displacement when grinding, only need support pump shaft with a centre bearing, and without with pinch roller, thereby can realize many steps, the step of pump shaft and the grinding of raceway groove that two ditch centre-to-centre spacing is little.Like this, the scope of pump shaft processing is widened greatly, raceway groove and step can be processed, and debugging is also convenient, is more suitable for, in the many kinds of pump shaft, big or small batch machining, greatly reducing the grinding cost of pump shaft.
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the pump shaft grinding attachment structural representation of the present embodiment;
Fig. 2 is the thin film chuck cutaway view of the present embodiment;
Fig. 3 is the thin film chuck top view (not comprising supporting) of the present embodiment;
Fig. 4 is the centre bearing of the present embodiment and the scheme of installation of pump shaft.
The specific embodiment
As shown in Figure 1, a kind of pump shaft grinding attachment, comprise base 1, and be successively set on oil cylinder seat 2, the headstock 3, centre bearing 4 and the grinding carriage 5 of base 1 upper surface, one side of oil cylinder seat 2 is provided with oil cylinder 21, and ring flange 6 is coordinated and is arranged on the main shaft 31 of the headstock 3 by end cap 61, thrust bearing 62 and locking nut 63 successively.Thin film chuck 7 is arranged on by ring flange 6 on the main shaft 31 of the headstock 3, grinding carriage 5 is provided with emery wheel 51 near thin film chuck 7 sides, for grinding pump shaft 8, the piston rod 22 of oil cylinder 21 by push rod 9 with contact with the center of thin film chuck 7, described push rod 9 is slidably mounted in the centre bore 64 of ring flange 6, and above-mentioned piston rod 22, push rod 9, headstock spindle 31, ring flange 6, thin film chuck 7 are on same axis; Described centre bearing 4 is vertically mounted between thin film chuck 7 and emery wheel 51, for supporting pump shaft 8.
As Figure 2-3, described thin film chuck 7, comprises the chassis 71 of a circle, and 71 centers, chassis are provided with a screw 72, and supporting 73 is arranged on chassis 71 by screw 72, and described supporting 73, for supporting pump shaft 8 end faces, plays axial location effect; On chassis 71, be further provided with 6 claws 74 of equidistantly arranging, described claw 74 forms an annulus; The edge of thin film chuck 7 is provided with 6 through holes 75, and for the bolt of fixing use is installed, ring flange 6 is provided with corresponding screw, and above-mentioned thin film chuck chassis 71 is bolted to connection on the screw of ring flange 6.The top of above-mentioned supporting 73 is provided with a screw 76 radially, for the screw of station pump axle is installed.Above-mentioned claw 74 top end millings are flat, and are provided with a screw 77 radially, and for mounting support screw 78, described supporting screw 78 is mainly used in the supporting of pump shaft 8 circumferencial directions.Above-mentioned thin film chuck 7 adopts 65Mn spring steel.
The strain that pump shaft grinding attachment utilizes thin film chuck 7 to produce, clamps or loosens pump shaft 8, and clamped position engaged position is few.
As shown in Figure 4, described centre bearing 4 comprises a supporting base 41, and be arranged on upper support 42 and the lower support 43 of supporting base 41 upper ends, in the present embodiment, described upper support 42 comprises cramp bar 44 and bearing-surface 46, described lower support 43 comprises cramp bar 45 and bearing-surface 47, on supporting base 41, be further provided with upper support and adjust screw rod 48a and lower support adjustment screw rod 48b, wherein, upper support is adjusted screw rod 48a and is connected with upper support bar 44, for regulating the position of pump shaft 8 horizontal directions, lower support is adjusted screw rod 48b and is connected with lower support bar 45, for regulating the position of pump shaft 8 vertical direction.The bearing-surface 46 that above-mentioned upper support 42 contacts with pump shaft 8 is a vertical plane, the bearing-surface 47 that lower support 43 contacts with pump shaft 8 is an inclined plane, lower support adjusting screw(rod) 48b passes through to regulate the position in lower support face 47 horizontal directions, and then regulates the height in pump shaft 8 vertical direction by gradient.
On supporting base, be further provided with upper support hold-down screw 49a, lower support hold-down screw 49b and base hold-down screw 49c wherein, upper support hold-down screw 49a is connected with the cramp bar 44 of upper support, when adjusting behind pump shaft 8 horizontal direction positions, with the position of the fixing upper support 42 of upper support hold-down screw 49a, prevent that it from moving; In like manner, lower support hold-down screw 49b is connected with the cramp bar 45 of lower support, when adjusting behind pump shaft 8 vertical direction positions, with the position of the fixing lower support 43 of upper support hold-down screw 49b, prevents that it from moving; Base hold-down screw 49c is arranged on the lower end of supporting base 41, for supporting base 41 is fixed on to base 1.
Above-mentioned centre bearing 4 supports pump shaft 8, because the bearing-surface of its lower support 47 is inclined plane, can prevent that axle from producing radial displacement when grinding, and without with pinch roller, thereby can realize many steps, the step of pump shaft and the grinding of raceway groove that two ditch centre-to-centre spacing is little.Like this, the scope of pump shaft processing is widened greatly, raceway groove and step can be processed, and debugging is also convenient, is more suitable for, in the many kinds of pump shaft, big or small batch machining, greatly reducing the grinding cost of pump shaft.
Above-mentioned pump shaft grinding process, comprises the steps:
1) thin film chuck 7 is arranged on by ring flange 6 on the main shaft 31 of the headstock 3, drives ring flange 6, thereby main shaft 31 is rotated together with locking nut 63 with ring flange 6, thin film chuck 7, thrust bearing 62 by the external screw thread straight pin on the headstock 3;
2) oil cylinder 21 oil-feeds, cylinder piston rod 22 is to the headstock 3 direction motions, under push rod 9 active forces, thin film chuck 7 centers are subject to external force, produce strain, make the supporting screw 78 of six claws 74 produce micro-radial displacement, this radial displacement is generally adjusted to 0.1～0.15mm, now, pump shaft to be ground 8 is inserted in the supporting 73 of thin film chuck, after installing, cylinder piston rod 22 exits, push rod 9 loosens, and six claws 74 of thin film chuck 7 restore;
3) adjust thin film chuck 7 six, 74 top of claw supporting screws 78, by upper support, adjust the front and back of screw rod 48a and lower support adjustment screw rod 48b free adjustment centre bearing 4 simultaneously, upper-lower position, make pump shaft 8 horizontal supportings of grinding, with amesdial adjust to pump shaft 8 beat for 0.001mm time, spell six, 74 top of tight claw supporting screw 78, thin film chuck 7 rotates with headstock spindle 31 with ring flange 6, because thin film chuck 7 has clamped pump shaft 8, pump shaft 8 rotates together with headstock spindle 31, the position of now emery wheel 51 being aimed to pump shaft 8 and being wanted grinding, then grinding water pump 8 axle raceway groove or steps, during grinding raceway groove, emery wheel is circular arc finishing, and during grinding step, emery wheel is straight line finishing.
4) after pump shaft grinding finishes, emery wheel 51 exits, oil cylinder 21 oil-feed again, and push rod 9 is pushed thin film chuck 7 centers to, makes six claws 74 produce radial displacement and unclamps the pump shaft 8 that grinding is good, takes out workpiece, changes next axle to be ground simultaneously.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present utility model.
Claims (8)
1. a pump shaft grinding attachment, it is characterized in that: comprise base, and be successively set on the oil cylinder seat of base upper surface, the headstock, centre bearing and grinding carriage, one side of oil cylinder seat is provided with oil cylinder, ring flange is installed on the headstock, thin film chuck is arranged on by ring flange on the main shaft of the headstock, described thin film chuck is provided with several claws, grinding carriage is provided with emery wheel near thin film chuck side, the piston rod of oil cylinder by push rod with contact with the center of thin film chuck, described push rod is slidably mounted in the centre bore of ring flange, above-mentioned piston rod, push rod, headstock spindle, ring flange, thin film chuck is on same axis, described centre bearing is vertically mounted between thin film chuck and emery wheel.
2. a kind of pump shaft grinding attachment as claimed in claim 1, is characterized in that: above-mentioned ring flange is coordinated and is arranged on the main shaft of the headstock by end cap, thrust bearing and locking nut successively.
3. a kind of pump shaft grinding attachment as claimed in claim 1, is characterized in that: above-mentioned thin film chuck, comprise the chassis of a circle, and center chassis is provided with a screw, and supporting is arranged on chassis by screw; On chassis, be further provided with the claw that several are equidistantly arranged, described claw forms an annulus; The edge of chuck is provided with several through holes for construction bolt, and described thin film chuck chassis is bolted to connection on ring flange.
4. a kind of pump shaft grinding attachment as claimed in claim 3, is characterized in that: the chassis of above-mentioned thin film chuck is provided with 6 claws of equidistantly arranging, and the milling of claw top end is flat, and is provided with a screw radially; The top of above-mentioned supporting is also provided with a screw radially.
5. a kind of pump shaft grinding attachment as claimed in claim 4, is characterized in that: described thin film chuck adopts 65Mn spring steel.
6. a kind of pump shaft grinding attachment as claimed in claim 1, it is characterized in that: described centre bearing comprises a supporting base, and be arranged on upper support and the lower support of supporting base upper end, the bottom of supporting base is arranged on base, described upper support and lower support include a cramp bar and bearing-surface, are further provided with upper support and adjust screw rod and lower support adjustment screw rod, wherein on supporting base, upper support is adjusted screw rod and is connected with upper support bar, and lower support is adjusted screw rod and is connected with lower support bar.
7. a kind of pump shaft grinding attachment as claimed in claim 6, is characterized in that: the bearing-surface that described upper support contacts with pump shaft is a vertical plane, the bearing-surface that lower support contacts with pump shaft is an inclined plane.
8. a kind of pump shaft grinding attachment as claimed in claim 7, it is characterized in that: on supporting base, be further provided with several hold-down screws, comprise upper support hold-down screw, lower support hold-down screw and base hold-down screw, wherein, upper support hold-down screw is connected with the cramp bar of upper support, lower support hold-down screw is connected with the cramp bar of lower support, and base hold-down screw is arranged on the lower end of supporting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654515.4U CN203557239U (en) | 2013-10-22 | 2013-10-22 | Grinding device for water pump shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654515.4U CN203557239U (en) | 2013-10-22 | 2013-10-22 | Grinding device for water pump shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203557239U true CN203557239U (en) | 2014-04-23 |
Family
ID=50506988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320654515.4U Expired - Lifetime CN203557239U (en) | 2013-10-22 | 2013-10-22 | Grinding device for water pump shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203557239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537969A (en) * | 2013-10-22 | 2014-01-29 | 浙江省新昌新轴实业有限公司 | Water pump shaft grinding device and process |
| CN109909876A (en) * | 2019-03-25 | 2019-06-21 | 深圳市金洲精工科技股份有限公司 | Grinding wheel frame mechanism |
-
2013
- 2013-10-22 CN CN201320654515.4U patent/CN203557239U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537969A (en) * | 2013-10-22 | 2014-01-29 | 浙江省新昌新轴实业有限公司 | Water pump shaft grinding device and process |
| CN103537969B (en) * | 2013-10-22 | 2016-08-31 | 浙江省新昌新轴实业有限公司 | A kind of pump shaft grinding attachment and technique |
| CN109909876A (en) * | 2019-03-25 | 2019-06-21 | 深圳市金洲精工科技股份有限公司 | Grinding wheel frame mechanism |
| CN109909876B (en) * | 2019-03-25 | 2024-03-22 | 深圳市金洲精工科技股份有限公司 | Grinding carriage mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
|
| CX01 | Expiry of patent term |