CN102950495B - Auxiliary supporting mechanism for tool - Google Patents
Auxiliary supporting mechanism for tool Download PDFInfo
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- CN102950495B CN102950495B CN201210421339.XA CN201210421339A CN102950495B CN 102950495 B CN102950495 B CN 102950495B CN 201210421339 A CN201210421339 A CN 201210421339A CN 102950495 B CN102950495 B CN 102950495B
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- locking skewback
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Abstract
The invention aims to solve the defects of the prior art, and provides an auxiliary supporting mechanism for a tool, which not only can apply extremely small support jacking force on workpieces but also can realize extremely large support force. In order to realize the technical effect, the auxiliary supporting mechanism for the tool comprises a base, wherein a support movable column which is used as a support part is arranged on the base, a through slot is formed on the support movable column, the opening of the through slot is rectangular, the bottom of the trough slot is a slope, the bottom of the support movable column is connected with a locking inclined block, a reset spring is fixed on the bottom of the locking inclined block, a backward piston and a locking piston which are connected with an oil cylinder are also assembled in the base, and the locking inclined block is matched with the locking piston. Compared with the prior art, the auxiliary supporting mechanism has the advantages that the piston is contacted with a fixed part through an inclined surface, the conventional cylindrical surface contact technical mode of the prior art is changed, the contact area is increased, so that the friction force during the connection is increased, and the fixation is firmer.
Description
Technical field
The present invention relates to a kind of frock, particularly a kind of withstand voltage frock auxiliary support mechanism.
Background technology
In the middle of the design of machine components machining tool fixture, often need a kind of auxiliary support mechanism, require that its strong point can not have too large top power to workpiece, after preventing strong point top power excessive, cause workpiece deformation.If publication number in prior art is disclose a kind of Manual auxiliary support mechanism in the patent of invention " Manual auxiliary support mechanism " of CN102672507A, comprising: bearing 18, Dingan County of state is contained on clamp body 20, and bearing inside has the cavity of up/down perforation; Guide pin bushing 15, Dingan County of state is contained in the cavity of bearing, and guide pin bushing has central through hole; Push rod 21, has the body of rod and rod end, and the described body of rod is slidably arranged in described central through hole, and described rod end is positioned at the below of guide pin bushing; Spring 19, is positioned at described cavity, and one end contact is at described rod end, and other end contact is on clamp body; Support column 14, lower end is arranged in the mounting groove of the body of rod, and upper end is for supporting workpiece 10; Lock-screw 16, runs through bearing, guide pin bushing, push rod, locks or unclamps support column.The present invention can regulate supplemental support power automatically, the height error of the supporting plane of automatic adaptation blank workpiece, solve the problem that rigidity supplemental support point adjustment inconvenience is wasted time and energy, and avoid because cutting force changes the wobble problem of the supplemental support point caused.But the category that this patent uses is less, require that support force is relatively large, especially in the face of thin wall component milling face or processing tapered hole, or manpower or use support cylinder are as auxiliary support mechanism, even if but changing support cylinder into often requires that system pressure is higher, generally be greater than and equal 15MPa, its support force neither be very desirable, often do not reach 200 kgfs.Main cause is that piston is cylinder, and when being subject to excessive power, can rotate, direction stressed like this can change, and causes for fixing piston unbalance stress and rupture.
Summary of the invention
The object of the invention is to the shortcoming solving prior art existence, a kind of Novel tooling auxiliary support mechanism is provided, the support top power minimum to workpiece can be realized, and there is great support force.
In order to reach described technique effect, concrete technical scheme of the present invention is as follows: frock auxiliary support mechanism, comprise base, described base is provided with the movable support post as support member, described movable support post is provided with groove, described groove opening is rectangle, and be slope bottom groove, described movable support column bottom is connected with locking skewback, back-moving spring is fixed with bottom described locking skewback, the retrogressing piston and latching ram that connect oil cylinder are also housed in described base, described retrogressing piston is plunger, its top is provided with the oblique profile of corresponding groove, described locking skewback and latching ram match.
Preferably, described locking skewback is a cylinder, is provided with a dovetail groove in described locking skewback, and the bottom of described dovetail groove is a slope A.Dovetail groove can be used in blocking latching ram, can not move up and down after it is inserted, the bottom of dovetail groove is that a slope is contacted by face with latching ram corresponding surface, change the mode by cylindrical curved surface and plane contact of piston in prior art, add contact area, improve frictional force, and in use can not occur the situation of piston rotation.
Preferably, the angle of inclination of the bottom ramp A of described dovetail groove is the scope of a, a is 15-25 degree.This angle directly has influence on the size of contact surface, and angle is less than 15 degree, and frictional force is not enough, and angle is excessive, is inconvenient to lock skewback and inserts.
Preferably, described latching ram is provided with scarf B, and the angle of scarf B is the scope of β, β is 30-45 degree.This angle has influence on the area that locking skewback is provided with scarf, and angle is too little, and area is little, and friction is not enough; Angle is too large, then piston cut-out is too much, and affect the rigidity of high piston only, piston weight capacity just have dropped.
Preferably, described retrogressing piston base is equipped with oil cylinder cover.Like this when not using, or the spilling of hydraulic oil during assembling, can be reduced.
Preferably, also oil cylinder cover is housed bottom described latching ram.
The present invention compared with prior art, owing to passing through contact of incline plane between piston and fixture, changes the conventional techniques means of Cylindrical Surfaces Contact in prior art, adds contact area, therefore increase frictional force during connection, makes fixing more stable.And inclined-plane connects, in time being subject to very large power, the situation that piston-cylinder rotates can not occur, and reliability is stronger.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technology contents of the present invention and embodiment are described in further detail.
Fig. 1 is the Facad structure sectional view of frock auxiliary support mechanism of the present invention.
Fig. 2 is the side structure sectional view of frock auxiliary support mechanism of the present invention
Fig. 3 is the locking skewback Facad structure figure of frock auxiliary support mechanism of the present invention
Fig. 4 is the locking skewback construction profile of frock auxiliary support mechanism of the present invention
Fig. 5 is the latching ram Facad structure figure of frock auxiliary support mechanism of the present invention
Fig. 6 is the latching ram Facad structure figure of frock auxiliary support mechanism of the present invention
Detailed description of the invention
With reference to the accompanying drawings 1, the auxiliary support mechanism of frock shown in Fig. 2, comprise base 3, described base 3 is provided with the movable support post 2 as support member, described movable support post 2 is provided with groove 21, described groove opening is rectangle, and be slope 22 bottom groove, locking skewback 1 is connected with bottom described movable support post 2, back-moving spring 8 is fixed with bottom described locking skewback 1, the retrogressing piston 4 and latching ram 6 that connect oil cylinder are also housed in described base 3, described retrogressing piston 4 is plunger, its top is provided with the oblique profile 41 of corresponding groove, described locking skewback 1 and latching ram 6 match.
As shown in Figure 3, Figure 4, described locking skewback 1 is a cylinder, is provided with a dovetail groove in described locking skewback 1, and the bottom of described dovetail groove is a slope A.In described locking skewback 1, the angle of inclination of the bottom ramp A of dovetail groove is the scope of a, a is 15-25 degree.Described locking skewback 1 is provided with scarf B, and the angle of scarf B is the scope of β, β is 30-45 degree.
Bottom described retrogressing piston 4, oil cylinder cover 5 is housed.Bottom described latching ram 6, oil cylinder cover 5 is also housed.
During work, the retrogressing piston 4 in base 3 moves right on earth by oil pressure, and movable support post 2 pushes up to workpiece by back-moving spring 8, and the top power of pushing up to workpiece is the tension force of back-moving spring 8, therefore support top power is very little.Now latching ram 6 is by oil pressure to left movement, and its scarf B is closely affixed with the inclined-plane A of locking skewback 1.Work pieces process power F makes movable support post 2 and locking skewback 1 move downward downwards, and under the effect of this power F, latching ram 6 has the movement tendency rotating and retreat.But now latching ram 6 own stops it to retreat by oil pressure effect, moreover after slope A and scarf B is affixed, under oil pressure effect, inherently there is the effect rotating interlocking, at all can not rotate in locking skewback 1, latching ram 6.Like this, although work pieces process exists larger power F, be also difficult to that latching ram 6 should be rotated and retreat again.Such the present invention just serves supplemental support effect, and can support very large power.
After latching ram 6 to move right by oil pressure and unclamps locking on earth, retreat piston 4 and move to the end left by oil pressure, utilize the gradient compression reseting spring 8 of movable support post 2, make movable support post 2 throw off workpiece, whole process utilizes the whole step of hydraulic pressure to realize automation.
Compared to the prior art, like product of the prior art generally, under the hydraulic oil effect of 15MPa, can only accomplish at most the support force of 200Kg.And the present invention can support to 500Kg under the same conditions, be enough to the demand of satisfied most of trade union college.
The present invention is only described in detail with regard to most preferred embodiment of the present invention; but the restriction to other modes of the invention process can not be interpreted as; everyly further improve and similar or identical scheme on basis of the present invention, being all considered as is the scope that request of the present invention is protected.
Claims (3)
1. frock auxiliary support mechanism, comprise base (3), described base (3) is provided with the movable support post (2) as support member, it is characterized in that, described movable support post (2) is provided with groove (21), described groove opening is rectangle, and be slope (22) bottom groove, described movable support post (2) bottom is connected with locking skewback (1), described locking skewback (1) bottom is fixed with back-moving spring (8), the retrogressing piston (4) and latching ram (6) that connect oil cylinder are also housed in described base (3), described retrogressing piston (4) is plunger, its top is provided with the oblique profile (41) of corresponding groove, described locking skewback (1) and latching ram (6) match, described locking skewback (1) is a cylinder, a dovetail groove is provided with in described locking skewback (1), the bottom of described dovetail groove is a slope A, the angle of inclination of the bottom ramp A of the interior dovetail groove of described locking skewback (1) is a, the scope of a is 15-25 degree, described latching ram (6) is provided with scarf B, the angle of scarf B is β, the scope of β is 30-45 degree.
2. frock auxiliary support mechanism as claimed in claim 1, is characterized in that: oil cylinder cover (5) is equipped with in described retrogressing piston (4) bottom.
3. frock auxiliary support mechanism as claimed in claim 1, is characterized in that: oil cylinder cover (5) is also equipped with in described latching ram (6) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210421339.XA CN102950495B (en) | 2012-10-29 | 2012-10-29 | Auxiliary supporting mechanism for tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210421339.XA CN102950495B (en) | 2012-10-29 | 2012-10-29 | Auxiliary supporting mechanism for tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102950495A CN102950495A (en) | 2013-03-06 |
| CN102950495B true CN102950495B (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210421339.XA Active CN102950495B (en) | 2012-10-29 | 2012-10-29 | Auxiliary supporting mechanism for tool |
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| Country | Link |
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| CN (1) | CN102950495B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586708B (en) * | 2013-10-30 | 2016-08-17 | 安徽省捷甬达智能机器有限公司 | A kind of Floatable supporting mechanism |
| CN106736790B (en) * | 2017-01-05 | 2018-08-28 | 南京航空航天大学 | A kind of wedge block run-in index positioning device |
| CN108500867A (en) * | 2018-04-04 | 2018-09-07 | 无锡威孚精密机械制造有限责任公司 | Horizontal resiliency locking device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5865577A (en) * | 1996-06-14 | 1999-02-02 | Hyundai Motor Company | Clamping device for working an engine |
| CN101279427A (en) * | 2008-05-19 | 2008-10-08 | 宁波中策动力机电集团有限公司 | Automatic locking automatic regulation support |
| CN202088006U (en) * | 2011-07-22 | 2011-12-28 | 北京北内设备工具有限公司 | Hydraulic locking self-adaptive bearing |
| CN202861860U (en) * | 2012-10-29 | 2013-04-10 | 金华市佛尔泰精密机械制造有限公司 | Tool auxiliary support mechanism |
-
2012
- 2012-10-29 CN CN201210421339.XA patent/CN102950495B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5865577A (en) * | 1996-06-14 | 1999-02-02 | Hyundai Motor Company | Clamping device for working an engine |
| CN101279427A (en) * | 2008-05-19 | 2008-10-08 | 宁波中策动力机电集团有限公司 | Automatic locking automatic regulation support |
| CN202088006U (en) * | 2011-07-22 | 2011-12-28 | 北京北内设备工具有限公司 | Hydraulic locking self-adaptive bearing |
| CN202861860U (en) * | 2012-10-29 | 2013-04-10 | 金华市佛尔泰精密机械制造有限公司 | Tool auxiliary support mechanism |
Non-Patent Citations (2)
| Title |
|---|
| 一种能自锁的气动辅助支承;李兰英等;《机械工艺师》;20000831(第8期);37 * |
| 宫文强等.辅助支承在薄壁件加工中的应用.《机械制造》.2004,第42卷(第1期),67-68. * |
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| Publication number | Publication date |
|---|---|
| CN102950495A (en) | 2013-03-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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Address after: No. 1588 Shenli Road, Wucheng District, Jinhua City, Zhejiang Province, 321000 Patentee after: ZHEJIANG FOERTAI INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 321017 Zhejiang Province, Jinhua City Industrial Park and Street No. 389 Patentee before: JINHUA FOERTAI PRECISION MACHINERY MANUFACTURING Co.,Ltd. |
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| CP03 | Change of name, title or address |