CN102101247A - Automatic centering centralizer - Google Patents
Automatic centering centralizer Download PDFInfo
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- CN102101247A CN102101247A CN2009102450153A CN200910245015A CN102101247A CN 102101247 A CN102101247 A CN 102101247A CN 2009102450153 A CN2009102450153 A CN 2009102450153A CN 200910245015 A CN200910245015 A CN 200910245015A CN 102101247 A CN102101247 A CN 102101247A
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Abstract
The invention provides an automatic centering centralizer. The automatic centering centralizer is characterized by comprising at least one left and right spiral centering device controlled by the same screw rod, wherein the left and right spiral centering device consists of screw pairs, internal and external centering base bodies and centering plates; the screw pairs consist of screw rods of left and right screw threads arranged at the two ends, and left-handed and right-handed nuts matched with the screw rods of the left and right screw threads; and the centering plates are arranged on the inner sides of the centering base bodies. The internal and external centering base bodies are linked with the left-handed and right-handed nuts respectively; and a processed workpiece is centered through the centering plates. The centering requirement in a processing process is met; the processed workpiece can be adjusted at any time in a screw rod or mandrel processing process; the automatic centering centralizer is convenient to operate; the operation is simple and reliable; the centralized positioning is accurate; and centering requirements on processed parts of different specifications can be met.
Description
Technical field
The invention belongs to the machining technique field, particularly relate to a kind of self-centering centralizer.
Background technology
In mechanical industry, machining slender shaft needs setting upright just of follow-rest to finish, and the performance level of follow-rest directly influences processed workpiece quality.Helicoid hydraulic motor or progressive cavity pump in oil drilling and the use of oil recovery industry, its rotor not only has the feature of slender axles, and the existence of spiral bar in addition on slender axles, existing follow-rest can not satisfy the needs of its process, needs to substitute follow-rest with a kind of centralizer.General two unit follow-rests are to set upright with 2 of follow-rest and 3 of the reaction force formations of turning, and the screw rod of petroleum industry or mandrel are the method processing with milling, are interrupted processing, the reaction force that does not have turning, setting upright of it will lean on centralizer self to finish.In process, cutter or centralizer inevitably have mild wear, will adjust the clamping effect of centralizer at any time, and adjusting centralizer in process need self-centering, could ensure that the work piece quality is unaffected., need a kind of self-centering centralizer in industry, finish the processing of screw rod or mandrel.
Summary of the invention
Purpose of the present invention aims to provide a kind of self-centering centralizer, make it can satisfy the requirement of setting upright in the machining process, can in screw rod or mandrel process, adjust at any time again, simple to operation reliable, centralized positioning is accurate, and can satisfy the requirement of setting upright of different size processing component.
For realizing that purpose of the present invention adopts following technical scheme: a kind of self-centering centralizer, it is characterized in that, comprise at least one left and right sides spiral erection device by same screw rod control; Described left and right sides spiral erection device is by the screw rod of the left and right hand thread that is located at two ends, the formed screw thread pair of left-handed nut, right-handed nut that matches with the screw rod of left and right hand thread and inside and outsidely set upright matrix and set upright the inboard righting board that is provided with of matrix and form, the inside and outside matrix of setting upright connects with left-handed nut, right-handed nut respectively, and by righting board workpiece to be machined is realized setting upright.
Described righting board is the adjustable workpiece of thin and thick.
Handwheel is equipped with in the screw rod end of described left and right hand thread, and is cooperated the axial location of the screw rod that locks left and right hand thread with pressure bearing by locking nut.
Described centralizer overall fixed is on the saddle of lathe.
Setting upright of described centralizer is provided with the dovetail slide mechanism between matrix and machine tool dragging plate.
Described dovetail slide mechanism matching part is provided with the adjustment clamp bar.
Described centralizer is set to two groups, and one group is located at process tool the place ahead, and another group is located at the process tool rear.
Beneficial effect of the present invention is:
The self-centering centralizer clamps or the workpiece that gets loose erection device by rotating the coaxial left and right screw rod that revolves, and automatically workpiece is locked in the center.
Owing at same screw rod left and right hand thread is set, once-through operation can make corresponding erection device move simultaneously, has reached self centering effect.
Through after the pre-adjustment, rotate the coaxial left and right screw rod that revolves, just can make the centralizer self-centering, finish setting upright of slender axles workpiece work in-process, overcome the strain of workpiece and the reaction force of process tool, workpiece quality is protected.
The self-centering centralizer can automatically lock the center, and having overcome traditional follow-rest needs the multiple spot adjustment, is not easy the defective of locked-center.
Description of drawings
Fig. 1 is the structural representation of self-centering centralizer provided by the invention.
Fig. 2 is for provided by the invention when being loaded with processing work, the front view of forward and backward two groups of centralizer structure schematic diagrames.
Fig. 3 is for provided by the invention when being loaded with processing work, the vertical view of forward and backward two groups of centralizer structure schematic diagrames.
The specific embodiment
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with drawings and embodiments.
Among the figure, 1 is left and right screw rod, and 101 is left-handed part, and 102 are the dextrorotation part; 201 is left-handed nut, and 202 is the right-handed nut; 3 is planker; 401 set upright matrix in being, 402 for setting upright matrix outward; 4011 and 301 is that dovetail cooperates, the 12nd, and the adjustment clamp bar of its cooperation; The 5th, righting board; The 6th, pressure bearing; The 7th, locking nut; The 8th, adjusting handle; 901,902 is respectively inside and outside footing; The 10th, adjustable fixing screw hole; The 11st, workpiece to be machined; The 13rd, the screw shaft bearing; The 14th, the bearing block hold-down screw.
Referring to Fig. 1～Fig. 3, a kind of self-centering centralizer, its two ends are respectively the screw rod 1 of left and right hand thread and left-handed nut with matching 201, right-handed nut's 202 formed screw thread pairs, and the inside and outside matrix 401,402 of setting upright is set upright the matrix inboard righting board 5 is set.Described righting board 5 is the adjustable workpiece of thin and thick.Handwheel 8 is equipped with in screw rod 1 end of described left and right hand thread, and joins 6 axial locations that close the screw rod 1 of locking left and right hand thread by locking nut 7 and pressure bearing.The centralizer overall fixed is on the saddle 3 of lathe.The base of described lathe is provided with adjustable fixing screw hole 10; Clamp bar 12 is adjusted in setting upright that matrix 4011 and 3 of machine tool dragging plates are provided with the dovetail matching mechanism and being provided with at its matching part of described centralizer.
As shown in the figure, the left and right screw rod 1 that revolves constitutes two groups of screw pairs with left-handed nut 201, right-handed nut 202 respectively among the figure.When left and right when revolving screw rod 1 rotation, drive left-handed nut 201, right-handed nut 202 moves to mutually opposite direction simultaneously, promptly outwards moves inwards or simultaneously simultaneously, no matter moves to any position, naturally the center of Xing Chenging is constant all the time, plays self centering effect.Locking nut 7 cooperates with pressure bearing 6, locks the left and right axial location that revolves screw rod 1.For guaranteeing the axial centre invariant position, need to adjust locking nut 7, can lock the left and right axial location that revolves screw rod 1, it is rotated flexibly.Pressure bearing 6 is fixed in screw shaft bearing 13, and screw shaft bearing 13 usefulness bearing block hold-down screws 14 are fastened on the planker 3.In left and right end of revolving screw rod 1 handwheel 8 is housed, by rotating handwheel 8, the left and right screw rod 1 that revolves of convenient drive rotates, and realizes self centering needs.
The inside and outside matrix 401,402 of setting upright links with left-handed nut 201, right-handed nut 202 respectively, realizes setting upright by 5 pairs of workpieces to be machined of righting board 11.Righting board 5 can be fixed in the inside and outside relevant position of setting upright matrix 401,402 with screw.Adjust the thickness of righting board 5 each part, level, upright position are shouldered the effect of fine setting.
The inside and outside matrix 401,402 of setting upright cooperates with planker 3 by dovetail 4011 and 301, adjusts the dovetail gap with clamp bar 12 therebetween.
Inside and outside footing 901,902 and planker 3 disjunctors are provided with long screw 10 respectively at its lower end part, and the whole relative position that changes hold-down screw at long screw 10 of mobile centralizer is realized pre-determined bit to setting upright the center.
Centralizer is set to two groups, and one group is located at process tool the place ahead, and another group is located at the rear, the more effective strong reaction force of resisting process tool.Every group of centralizer adjusted the center is disposable by preset, and in workpiece processing, rotary screw 1 just can change the degree of stepping up to workpiece, and workpiece can be locked in the center.
The centralizer overall fixed with the process tool follow-up, is finished the processing of elongate rod on lathe saddle 3.
The present invention drives corresponding erection device respectively with the left and right hand thread pair of coaxial screw rod and moves in the opposite direction, and erection device is clamped or the workpiece that gets loose.Through after the pre-adjustment, rotate the coaxial left and right screw rod that revolves, just can make the centralizer self-centering, finish setting upright of slender axles workpiece work in-process, overcome the strain of workpiece and the reaction force of process tool, workpiece quality is protected.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a self-centering centralizer is characterized in that, comprises at least one left and right sides spiral erection device by same screw rod control; The formed screw thread pair of left-handed nut, right-handed nut that described left and right sides spiral erection device is matched with the screw rod of left and right hand thread by the screw rod of the left and right hand thread that is located at two ends and inside and outsidely set upright matrix and set upright the inboard righting board that is provided with of matrix and form, the inside and outside matrix of setting upright connects with left-handed nut, right-handed nut respectively.
2. centralizer as claimed in claim 1 is characterized in that, described righting board is the adjustable workpiece of thin and thick.
3. centralizer as claimed in claim 1 is characterized in that, handwheel is equipped with in the screw rod end of described left and right hand thread, and is cooperated the axial location of the screw rod that locks left and right hand thread with pressure bearing by locking nut.
4. centralizer as claimed in claim 1 is characterized in that, described centralizer overall fixed is on the saddle of lathe.
5. centralizer as claimed in claim 1 is characterized in that, setting upright of described centralizer is provided with the dovetail slide mechanism between matrix and machine tool dragging plate.
6. centralizer as claimed in claim 5 is characterized in that, described dovetail slide mechanism matching part is provided with the adjustment clamp bar.
7. as claim 1 or 6 described centralizers, it is characterized in that described centralizer is set to two groups, one group is located at process tool the place ahead, and another group is located at the process tool rear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102450153A CN102101247A (en) | 2009-12-22 | 2009-12-22 | Automatic centering centralizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102450153A CN102101247A (en) | 2009-12-22 | 2009-12-22 | Automatic centering centralizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102101247A true CN102101247A (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102450153A Pending CN102101247A (en) | 2009-12-22 | 2009-12-22 | Automatic centering centralizer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406787A (en) * | 2013-08-21 | 2013-11-27 | 芜湖奕辰模具科技有限公司 | L-shaped composite clamp for milling machine |
| CN107838769A (en) * | 2017-06-30 | 2018-03-27 | 周有训 | A kind of efficient workpiece inner wall burnishing device |
| CN107838770A (en) * | 2017-06-30 | 2018-03-27 | 周有训 | A kind of modified workpiece inner wall burnishing device |
| CN107855917A (en) * | 2017-06-30 | 2018-03-30 | 周有训 | A kind of Novel workpiece polishing device for inner wall |
| CN108067694A (en) * | 2017-06-30 | 2018-05-25 | 宁波市鄞州明联物联科技有限公司 | A kind of improved electric solenoid device |
| CN108391995A (en) * | 2018-04-26 | 2018-08-14 | 博洛尼智能科技（青岛）有限公司 | A kind of laminate levelling device |
-
2009
- 2009-12-22 CN CN2009102450153A patent/CN102101247A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406787A (en) * | 2013-08-21 | 2013-11-27 | 芜湖奕辰模具科技有限公司 | L-shaped composite clamp for milling machine |
| CN107838769A (en) * | 2017-06-30 | 2018-03-27 | 周有训 | A kind of efficient workpiece inner wall burnishing device |
| CN107838770A (en) * | 2017-06-30 | 2018-03-27 | 周有训 | A kind of modified workpiece inner wall burnishing device |
| CN107855917A (en) * | 2017-06-30 | 2018-03-30 | 周有训 | A kind of Novel workpiece polishing device for inner wall |
| CN108067694A (en) * | 2017-06-30 | 2018-05-25 | 宁波市鄞州明联物联科技有限公司 | A kind of improved electric solenoid device |
| CN108391995A (en) * | 2018-04-26 | 2018-08-14 | 博洛尼智能科技（青岛）有限公司 | A kind of laminate levelling device |
| CN108391995B (en) * | 2018-04-26 | 2023-10-13 | 博洛尼智能科技（青岛）有限公司 | Laminate leveling device |
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Application publication date: 20110622 |