CN104948431A - Honing solution pump with eccentric shaft sleeve - Google Patents
Honing solution pump with eccentric shaft sleeve Download PDFInfo
- Publication number
- CN104948431A CN104948431A CN201510316715.2A CN201510316715A CN104948431A CN 104948431 A CN104948431 A CN 104948431A CN 201510316715 A CN201510316715 A CN 201510316715A CN 104948431 A CN104948431 A CN 104948431A
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- China
- Prior art keywords
- needle bearing
- cam
- plunger
- shaft sleeve
- eccentric shaft
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Abstract
The invention relates to a honing solution pump with an eccentric shaft sleeve. The honing solution pump with the eccentric shaft sleeve comprises a plunger device, a connector device and a control device. The control device comprises a cam, the eccentric shaft sleeve, a pressing ring, a first needle bearing and a second needle bearing. The eccentric shaft sleeve comprises an end face, a first stepped section and a second stepped section, wherein the first stepped section and the second stepped section are perpendicular to the end face. The outer surface of the first stepped section is in close fit with the inner circle of the first needle bearing, the outer circle of the first needle bearing is in close fit with the pressing ring, and the end face of the eccentric shaft sleeve enables the pressing ring to be tightly pressed and attached to the cam. The outer surface of the second stepped section is in close fit with the inner circle of the second needle bearing, and the outer circle of the second needle bearing is in close fit with the cam and a ratchet wheel. Compared with the prior art, the honing solution pump with the eccentric shaft sleeve has the following advantages that a plunger drives the eccentric shaft sleeve to be delivered to the cam so that reciprocating motion can be achieved, in this way, the friction force of the cam and the plunger is reduced, the service life is prolonged, and work efficiency is improved.
Description
Technical field
The present invention relates to a kind of honing feeding device, in particular a kind of honing mill liquid pump with excentric sleeve.
Background technique
Mill liquid pump is that honing is fed in raw material dedicated pump, and what existing market adopted is all plunger pump, and adopt cam driven plunger reciprocates, plunger advancement blocks the path of grinding fluid, and plunger retreats the path opening grinding fluid, thus the supply of the grinding fluid controlled.But existing this structure can only control the turnover of grinding fluid, effectively can not control the flow of grinding fluid, cause greatly the waste of grinding fluid compared with the grinding fluid of large discharge without the need to supply during large discharge, cost is high, can not meet the demand reducing cost of production.
Existing market is all adopt plunger to be directly fixed on cam inner ring, and cam rotates and drives plunger reciprocates, and greatly, the life-span is short, cost is high, does not improve work efficiency and economic benefit for such cam and plunger wear amount.
Summary of the invention
Technical problem to be solved by this invention there are provided a kind of can alleviate cam and plunger frictional force, strengthen the honing with excentric sleeve in working life and grind liquid pump.
The present invention solves the problems of the technologies described above by the following technical programs, a kind of honing mill liquid pump with excentric sleeve, comprise plunger assembly, piecing devices, control gear, it is characterized in that, described control gear comprises cam, excentric sleeve, trim ring, first needle bearing, second needle bearing, described excentric sleeve comprises an end face, perpendicular to First stage and the second step section of end face, the outer surface in First stage and the first needle bearing inner ring close-fitting, described first needle bearing outer ring and trim ring close-fitting, trim ring compresses and is attached on cam by the end face of excentric sleeve, the outer surface of second step section and the second needle bearing inner ring close-fitting, the outer ring of the second needle bearing and cam and ratchet close-fitting.
Excentric sleeve of the present invention can be used in existing honing mill pump mechanism, also can be used in and have in follow-on honing mill liquid pump of similar principles, describing of following mask body mode of execution part.
The present invention has the following advantages compared to existing technology: drive excentric sleeve to be delivered to cam by plunger and carry out to-and-fro motion, alleviate the frictional force of cam and plunger like this, enhance working life, improve work efficiency.
Accompanying drawing explanation
Fig. 1 is a kind of overall structure schematic diagram with the honing mill liquid pump of excentric sleeve of the present invention;
Fig. 2 is a kind of sectional structure chart with the plunger assembly of the honing mill liquid pump of excentric sleeve of the present invention;
Fig. 3 is a kind of three-dimensional structure diagram with the plunger assembly of the honing mill liquid pump of excentric sleeve of the present invention;
The sectional structure chart of Fig. 4 barrier film
Fig. 5 is a kind of sectional structure chart with the control gear of the honing mill liquid pump of excentric sleeve of the present invention;
Fig. 6 is a kind of three-dimensional structure diagram with the control gear of the honing mill liquid pump of excentric sleeve of the present invention;
Fig. 7 is the structural drawing of the excentric sleeve of control gear;
Fig. 8 is the structural drawing of the cam of control gear;
Fig. 9 is the structural drawing of the ratchet of control gear;
Figure 10 is the structural drawing of the locating stud of control gear;
Figure 11 is the part-structure three-dimensional cutaway view of control gear;
Figure 12 is the stereogram of the part-structure of control gear.
Embodiment
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, a kind of honing mill liquid pump with excentric sleeve of the present embodiment comprises plunger assembly 1, piecing devices 2 and control gear 3.Described control gear 3 is arranged on one end of plunger assembly 1 and controls plunger assembly 1, and piecing devices 2 are arranged on the other end of plunger assembly 1, and grinding fluid passes in and out through piecing devices 2 and plunger assembly 1.
Consult shown in Fig. 2 and Fig. 3, described plunger assembly 1 comprises plunger 11, plunges pump body 12, back-up ring 112, spring pad 13, spring 14, plunger pump middle cover 15, packing ring 114, barrier film 17, plug 18 and pump cover 19 simultaneously.
Described plunger 11 two ends diameter is less than the diameter of intermediate portion, forms former and later two steps.The front end of plunger 11 is provided with plug 18.The step front portion of the front end of plunger 11 is plug 18.
The second half section of described plunger 11 is arranged in the endoporus in the middle of plunges pump body 12, the step place of corresponding plunger 11 rear end, endoporus rear end of described plunges pump body 12 also arranges a step, between the rear end step of described plunges pump body 12 and the step of plunger 11 rear end, described back-up ring 112 is set, makes plunger 11 motion in plunges pump body 12 can not leave plunges pump body 12 again.Install described spring 14 between the outer surface of described plunger 11 and the interior internal surface of hole of plunges pump body 12, the rear end of described spring 14 is against on described back-up ring 112.
Described plunger pump middle cover 15 is close to the first half section that plunges pump body 12 is enclosed within plunger 11, and the front end of described spring 14 is against on the ear end face of described plunger pump middle cover 15.The endoporus front end of described plunger pump middle cover 15 arranges described packing ring 114, and the rear end of plunger pump middle cover 15 is against on the step of the front end of plunger 11, makes plunger 11 intermediate portion with this packing ring 114 for boundary, no longer travels forward.
Described barrier film 17 is close to plunger pump middle cover 15 and is enclosed within plug 18.Described barrier film 17 is quality of rubber materials, and as shown in Figure 4, the vertical section of described barrier film 17 is the shape of middle part as the bow of rear concave end, and the front-end face of arc barrier film 17 is pasted with Teflon firmly.
Described pump cover 19 is enclosed within the front end of plug 18, covers plug 18, and pump cover 19 has the through hole 192 of up/down perforation, and grinding fluid passes in and out from this through hole 192.
The means of fixation all adopting screw to lock between described plunger pump middle cover 15 and plunges pump body 12, between barrier film 17 and plunger pump middle cover 15 and between pump cover 19 and barrier film 17.
Consult shown in Fig. 1, described piecing devices 2 comprise inlet union 21, inlet union body 22, outlet connection 23, outlet connection body 25 again.
Inlet union body 22 is connected to the top of inlet union 21 by Female connector fittings 212, the hypomere of described inlet union 21 is contained in through hole 192 epimere of described pump cover 19, concrete, on the interior step that through hole 192 epimere that the lower end of described inlet union 21 is against is arranged.Inlet union 21 endoporus is provided with import sealing ball 212 and import spring 214, the through hole 192 of pump cover 19 blocked by described import sealing ball 212, the lower end of import spring 214 is against the top of import sealing ball 212, and the upper end of import spring 214 is against on a step of inlet union 21 endoporus setting.
Outlet connection body 25 is connected to the below of outlet connection 23 by Stem Mut 24, the epimere of described outlet connection 23 is contained in through hole 192 hypomere of described pump cover 19, concrete, on the interior step that through hole 192 hypomere that the upper end of described outlet connection 23 is against is arranged, the bottom of outlet connection 23 is contained in the groove of top depression of Stem Mut 24, and the hypomere of Stem Mut 24 is fixed on the upper end of outlet connection body 25 by a Female connector fittings.Outlet connection 23 endoporus is provided with outlet sealing ball 232 and outlet spring 234, the through hole in Stem Mut 24 blocked by described outlet sealing ball 232, the upper end of outlet spring 234 is against on a step of outlet connection 23 endoporus setting, and the lower end of outlet spring 234 is against on outlet sealing ball 232.The second outlet sealing ball 242 and the second outlet spring 244 is also provided with in described Stem Mut 24, the through hole in Stem Mut 24 blocked by second outlet sealing ball 242, the upper end of the second outlet spring 244 is against on the second outlet sealing ball 242, and the lower end of the second outlet spring 244 is against the upper-end surface of outlet connection body 25.
During use, when control gear 3 controls plunger 11 front-rear reciprocation movement, the front-rear reciprocation movement of plunger 11 drives barrier film 19 to seesaw, to the effect that grinding fluid plays absorption and releases, again by the cooperation of each sealing ball and spring, thus effectively control the flow of grinding fluid.The setting of the second outlet sealing ball 242 and the second outlet spring 244, to make the rate of discharge of grinding fluid milder, according to the demand of client, the cooperating structure of multiple import sealing ball, import spring and outlet sealing ball, outlet spring can be set, under the prompting of principle of the present invention, persons skilled in the art are easy to this structure of designed, designed.
Refer to shown in Fig. 5 to Figure 12, described control gear 3 comprises excentric sleeve 31, first needle bearing 32, cam 33, second needle bearing 34, ratchet 35, flow regulating wheel 36, locating stud 37, spring 38 and key seat 39.
Described flow regulating wheel 36 is fixed on the stationary axle of protrusion on rear side of ratchet 35 by spacer 356.
Described ratchet 35 be circumferentially evenly equipped with sawtooth, sawtooth is parallel to the central shaft of ratchet 35.
Cam 33 is fixed on ratchet 35 leading flank, and a trim ring 312 is close to cam 33 leading flank and is arranged.
Described excentric sleeve 31 comprises an end face 312, perpendicular to First stage 314 of end face and second step section 316, the outer surface in First stage 314 and the first needle bearing 32 inner ring close-fitting, described first needle bearing 32 outer ring and trim ring 312 close-fitting, trim ring 312 is compressed subsides on the cam 33 by the end face 312 of excentric sleeve 31.The outer surface of second step section 316 and the second needle bearing 342 inner ring close-fitting, the outer ring of the second needle bearing 342 and cam 33 and ratchet 35 close-fitting.
Described locating stud 37 and spring 38 are contained in key seat 39, and locating stud 37 has tip, and its tip withstands on the sawtooth of ratchet 35, and spring 38 is positioned at the lower end of locating stud 37.
When not having External Force Acting in flow regulating wheel 36, due to the barrier effect of locating stud 37 pairs of ratchets 35, ratchet 35 position is motionless, then plunger 11 is in fixing position, when needing the flow regulating grinding fluid, the mode that can advance by making the fixed position of plunger 11 or retreat increases or reduces the flow of grinding fluid, now only need rotation flow regulating wheel 36, the rotation of flow regulating wheel 36 drives the rotation of the cam 33 be fixed together with it, the rotation of cam 33 drives plunger 11 position to advance further or retreats, due to the elastic force of spring 38, and ratchet 35 is circumferentially evenly equipped with sawtooth, make to regulate can control accurately the rotation angle of ratchet 35, according to the distance advanced or retreat in corresponding plunger 11 position of the adjustment of the rotation angle of ratchet 35, the object of flow control can be reached accurately.And cam 33 is arranged on excentric sleeve 31, drives excentric sleeve 31 to be delivered to the to-and-fro motion of plunger 11 by cam 33, alleviate the frictional force between cam 33 and plunger 11, enhance cam 33 and the working life of plunger 11, improve effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. one kind has the honing mill liquid pump of excentric sleeve, comprise plunger assembly, piecing devices, control gear, it is characterized in that, described control gear comprises cam, excentric sleeve, trim ring, first needle bearing, second needle bearing, described excentric sleeve comprises an end face, perpendicular to First stage and the second step section of end face, the outer surface in First stage and the first needle bearing inner ring close-fitting, described first needle bearing outer ring and trim ring close-fitting, trim ring compresses and is attached on cam by the end face of excentric sleeve, the outer surface of second step section and the second needle bearing inner ring close-fitting, the outer ring of the second needle bearing and cam and ratchet close-fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316715.2A CN104948431A (en) | 2015-06-10 | 2015-06-10 | Honing solution pump with eccentric shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316715.2A CN104948431A (en) | 2015-06-10 | 2015-06-10 | Honing solution pump with eccentric shaft sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104948431A true CN104948431A (en) | 2015-09-30 |
Family
ID=54163379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510316715.2A Pending CN104948431A (en) | 2015-06-10 | 2015-06-10 | Honing solution pump with eccentric shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104948431A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4167896A (en) * | 1977-08-11 | 1979-09-18 | Gustafson, Inc. | Pump for auger treater |
| CN201060011Y (en) * | 2007-06-08 | 2008-05-14 | 罗献尧 | Mechanism diaphragm metering pump |
| CN102758769A (en) * | 2012-04-08 | 2012-10-31 | 杭州大潮石化设备有限公司 | Direct-coupled double-acting stroke adjusting device used in reciprocating metering pump |
| CN103362769A (en) * | 2012-03-26 | 2013-10-23 | 德帕姆(杭州)泵业科技有限公司 | Metering pump with entire solid eccentric wheel travel adjustment mechanism |
| CN204716513U (en) * | 2015-06-10 | 2015-10-21 | 安庆联控机电科技发展有限公司 | There is the honing mill liquid pump of excentric sleeve |
-
2015
- 2015-06-10 CN CN201510316715.2A patent/CN104948431A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4167896A (en) * | 1977-08-11 | 1979-09-18 | Gustafson, Inc. | Pump for auger treater |
| CN201060011Y (en) * | 2007-06-08 | 2008-05-14 | 罗献尧 | Mechanism diaphragm metering pump |
| CN103362769A (en) * | 2012-03-26 | 2013-10-23 | 德帕姆(杭州)泵业科技有限公司 | Metering pump with entire solid eccentric wheel travel adjustment mechanism |
| CN102758769A (en) * | 2012-04-08 | 2012-10-31 | 杭州大潮石化设备有限公司 | Direct-coupled double-acting stroke adjusting device used in reciprocating metering pump |
| CN204716513U (en) * | 2015-06-10 | 2015-10-21 | 安庆联控机电科技发展有限公司 | There is the honing mill liquid pump of excentric sleeve |
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Application publication date: 20150930 |
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| RJ01 | Rejection of invention patent application after publication |