CN103394943A - Clamping device for fan-shaped balance block - Google Patents
Clamping device for fan-shaped balance block Download PDFInfo
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- CN103394943A CN103394943A CN2013103719958A CN201310371995A CN103394943A CN 103394943 A CN103394943 A CN 103394943A CN 2013103719958 A CN2013103719958 A CN 2013103719958A CN 201310371995 A CN201310371995 A CN 201310371995A CN 103394943 A CN103394943 A CN 103394943A
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- fan
- balance weight
- shaped balance
- main body
- shaped
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Abstract
The invention relates to a clamping device for a fan-shaped balance block. The clamping device comprises a clamp main body and a center supporting shaft, wherein a supporting jacking mechanism is arranged on a base of the clamp main body; a longitudinal elongated slot is formed in a vertical plate of the clamp main body; a guide seat is fixed on the back surface of the vertical plate; positioning pins and supporting nails are arranged on the front surface of the vertical plate; the center supporting shaft penetrates through the longitudinal elongated slot and is upwards supported by an elastic supporting mechanism on the base; the front part of the center supporting shaft penetrates through a circular hole in the fan-shaped balance block; a sliding block is arranged at the rear part of the center supporting shaft; the center supporting shaft and the sliding block can slide up and down along the guide seat under the supporting action of the elastic supporting mechanism; the inner arc surface of the fan-shaped balance block is tightly pressed against the positioning pins; the supporting height of the supporting jacking mechanism is adjusted, so that the fan-shaped balance block can be clamped. The ideal clamping device for the fan-shaped balance block is reasonable in structure, convenient to use, accurate to support and position and reliable to clamp and is particularly suitable for the clamping of the fan-shaped balance block when an assembling hole is formed in the inner arc surface of the fan-shaped balance block.
Description
Technical field
The present invention relates to a kind of mechanical clamp device, specifically a kind of fan-shaped balancing block clamping device.
Background technology
Fan-shaped balance weight is sector structure, the inner arc surface that includes decentraction on it and exterior arc surface and be connected former and later two planes of inside and outside arc surface.According to job requirement, fan-shaped balance weight needs to process circular hole on plane, on inner arc surface, needs to process a pilot hole.On fan-shaped balance weight plane, the processing circular hole is fairly simple, does not generally need special fixture.And on the inner arc surface of fan-shaped balance weight the process and assemble hole with regard to more complicated, require the center line of this pilot hole and fan-shaped balance weight inner arc surface center, and fan-shaped balance weight plane on central vertical, the quadrature of that circular hole of processing in advance.Processing method commonly used is line and the processing of drill jig clamping.But these two kinds of methods can not meet the position accuracy demand of institute's machining hole with respect to inner arc surface center line and preprocessing circular hole.Up to now, on market, yet there are no the clamping device of special-purpose fan-shaped balance weight.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provide a kind of rational in infrastructure, easy to use, support, accurate positioning, reliable clamping, can meet the fan-shaped balancing block clamping device of pilot hole Working position required precision on fan-shaped balance weight inner arc surface.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of fan-shaped balancing block clamping device, it includes jig main body and central support shaft, jig main body is comprised of base and riser, it is characterized in that: the base of described jig main body is provided with the adjustable support jacking mechanism of a bearing height, vertical elongated slot that the riser of jig main body connects before and after being provided with one, the back side of riser is installed with guide holder, and the front of riser is installed with two alignment pins that coordinate with fan-shaped balance weight inner arc surface and the support nail that coordinates with fan-shaped balance weight back plane; Described central support shaft is passed on riser vertically elongated slot, by being arranged on elastic supporting mechanism on the base of riser rear portion to upper support; The circular hole on fan-shaped balance weight is passed in the front portion of central support shaft, support fan-shaped balance weight, the front end of central support shaft is equipped with clamp nut, rear portion is equipped with slide block, the slide block outside is provided with the slide block cover plate, the slide block cover plate is fixed on guide holder by trip bolt, and central support shaft, can slide up and down along guide holder together with slide block under the supporting role of elastic supporting mechanism; The central support shaft that is supporting fan-shaped balance weight can upwards move in the vertical elongated slot on riser, until the inner arc surface of fan-shaped balance weight near alignment pin, is realized the accurate location of fan-shaped balance weight; Then adjust the bearing height of base upper support jacking mechanism, make its exterior arc surface that holds out against fan-shaped balance weight, realize the clamping of fan-shaped balance weight.
Described support jacking mechanism comprises that one holds out against screw and swivel nut, and swivel nut is fixed in the groove on the jig main body base by trip bolt, holds out against the screw bottom and is provided with the screw thread that coordinates with swivel nut, and top is provided with hex surface, and top is cup head.
Described elastic supporting mechanism comprises support spring, spring base, spring adjusting lever, nut and guider screw, spring base is arranged between central support shaft and support spring, the spring adjusting lever is arranged on the support spring bottom, its underpart threaded rod is provided with elongated slot, the spring adjusting lever coordinates with nut, be arranged on the jig main body base circular hole in, guider screw is screwed on jig main body, front end is inserted in the elongated slot of spring adjusting lever lower thread bar.Rotating nut, the spring adjusting lever moves up and down, and is used for adjusting the pretightning force size of support spring.
The top of described guide holder also is equipped with stop screw.Be used for controlling the stroke of slide block and central support shaft.
The slide block cover plate outside, described central support shaft rear portion also is equipped with balance weight iron.The effect of balance weight iron is the weight of the fan-shaped balance weight of balance work piece, so that central support shaft under the supporting role of the support spring of elastic supporting mechanism, drives fan-shaped balance weight, moves upward.
Described slide block cover plate be provided with for central support shaft by and vertical elongated slot of moving up and down, the slide block cover plate is fixed on guide holder by trip bolt.
On described jig main body base, also be symmetrically installed with a pair of slide bar and sliding rod rack, the sliding rod rack structure that is rectangular in shape, an one right-angle side is secured by bolts on the jig main body base, another right-angle side installed inside slide bar; Slide bar is a cylinder, and the one end is supported by sliding rod rack, and the other end is inwardly unsettled.To facilitate the loading and unloading of fan-shaped balance weight.
During clamping of the present invention, at first by fan-shaped balance weight inner arc surface upwards, exterior arc surface is downward, and exterior arc surface is placed on slide bar, adjust stop screw, make central support shaft aim at that circular hole of processing in advance in the middle of fan-shaped balance weight plane, under this state, the inner arc surface of fan-shaped balance weight is higher than alignment pin, in pushing fan-shaped balance weight the process of jig main body riser to, fan-shaped balance weight exterior arc surface, from landing on slide bar, is supported by central support shaft, and is upwards unsettled.Then, continue to promote and press inwards fan-shaped balance weight downwards, make its inner arc surface be in two alignment pins the face of cylinder below, the back plane of fan-shaped balance weight is joined near three support nails, then, stop pressing down, the fan-shaped balance weight of this moment moves upward under the supporting drive of the central support shaft that is supported by elastic supporting mechanism, until its inner arc surface is near alignment pin.Then, the nut pad is inserted between fan-shaped balance weight and clamp nut and tightens clamp nut complete location.Then adjust the bearing height of base upper support jacking mechanism, make its exterior arc surface that holds out against fan-shaped balance weight, realize the clamping of fan-shaped balance weight.
The present invention adopts above-mentioned composition structure, by central support shaft, suspend in midair, support, locate, clamping with alignment pin, support jacking mechanism on jig main body, realize the clamping to fan-shaped balance weight, can meet the required precision of pilot hole Working position on fan-shaped balance weight inner arc surface.Against existing technologies, the present invention is rational in infrastructure, and is easy to use, supports, accurate positioning, and reliable clamping, be a kind of desirable fan-shaped balancing block clamping device, while being particularly suitable for processing on fan-shaped balance weight inner arc surface pilot hole, clamping and uses.
The accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is the A-A cutaway view in front view of the present invention.
Label in figure is: 1. jig main body, 1-1. base, 1-2. riser, 2. hold out against screw, 3. swivel nut, 4. trip bolt, 5. spring adjusting lever, 6. guider screw, 7. nut, 8. support spring, 9. spring base, 10. spacer, 11. round nut, 12. flat keys, 13. central support shaft, 14. balance weight iron, 15. slide block cover plates, 16. slide blocks, 17. stop screw, 18. guide holders, 19. alignment pins, 20. support nail, 21. nut pads, 22. clamp nuts, 23. slide bar, 24. sliding rod rack, 25. slide block adjusting pads, 26. fan-shaped balance weights.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail and illustrates.
From Fig. 1, Fig. 2, Fig. 3, finding out, a kind of fan-shaped balancing block clamping device of the present invention, it includes jig main body 1 and central support shaft 13, the word of the falling T structure that jig main body 1 is comprised of base 1-1 and riser 1-2.The base 1-1 of described jig main body 1 is provided with the adjustable support jacking mechanism of a bearing height.Described support jacking mechanism comprises that one holds out against screw 2 and swivel nut 3, and swivel nut 3 is fixed in the groove on jig main body base 1-1 by trip bolt 4, holds out against screw 2 bottoms and is provided with the screw thread that coordinates with swivel nut 3, and top is provided with hex surface, and top is cup head.Whole support jacking mechanism is used for holding out against from lower support the exterior arc surface of fan-shaped balance weight.
Vertical elongated slot that the riser 1-2 of jig main body connects before and after being provided with one, the back side of riser 1-2 is installed with guide holder 18, and guide holder 18 is fixed on riser 1-2 by trip bolt 4, is positioned at described vertical elongated slot up and down.The front of riser 1-2 is installed with two alignment pins 19 that coordinate with fan-shaped balance weight inner arc surface and the support nail 20 that coordinates with fan-shaped balance weight back plane.Specifically the riser 1-2 of jig main body 1 is provided with two circular holes that are used for installing alignment pin 19, described alignment pin 19 has two, be vertically mounted on the riser 1-2 of jig main body 1, and two alignment pin 19 diameters distances identical, distance center back shaft 13 are equal, and the line of two alignment pins 19 is parallel to the horizontal base of jig main body 1.On the riser 1-2 of jig main body 1, also be provided with three circular holes, the planar support that 20, three support nails equal in length of three support nails equal in length 20 form fan-shaped balance weight back plane is installed in circular hole.
Described central support shaft 13 is passed the upper vertical elongated slot of riser 1-2, and it is by being arranged on elastic supporting mechanism on the base of riser rear portion to upper support and can vertically in elongated slot, sliding up and down.Described elastic supporting mechanism comprises support spring 8, spring base 9, spring adjusting lever 5, nut 7 and guider screw 6, spring base 9 is arranged between central support shaft 13 and support spring 8, spring base 9 is V-shaped with central support shaft 13 contact positions, and there is a protrusion lower end, is inserted in support spring 8.Spring adjusting lever 5 is arranged on support spring 8 bottoms, there is step its upper end, the lower thread bar is provided with elongated slot, spring adjusting lever 5 is with after nut 7 coordinates, be arranged on jig main body base 1-1 circular hole in, guider screw 6 is screwed on jig main body 1, and front end is inserted in the elongated slot of spring adjusting lever 5 lower thread bars.Rotating nut 7, spring adjusting lever 5 moves up and down, and is used for adjusting the pretightning force size of support spring 8.
The circular hole on fan-shaped balance weight 26 is passed in the front portion of described central support shaft 13, supports fan-shaped balance weight 26, and the front end of central support shaft 13 is equipped with clamp nut 22, and clamp nut 22 inboards also are equipped with nut pad 21.Central support shaft 13 rear portions are equipped with slide block 16, between central support shaft 13 and slide block 16, radially use flat key 12 location.Slide block 16 outsides are provided with slide block cover plate 15, slide block cover plate 15 is fixed on guide holder 18 by trip bolt, on slide block cover plate 15, also have the vertical elongated slot that passes through for central support shaft 13, slide block cover plate 15, together with slide block 16, is used for limiting moving axially of central support shaft 13.In guide holder 18, also be provided with slide block adjusting pad 25, slide block 16 in guide holder 18 by slide block adjusting pad 25 adjusting plays.Stop screw 17 also is installed above guide holder 18, is used for controlling the stroke of slide block 16 and central support shaft 13.
Described central support shaft 13 slide block cover plate 15 outsides, rear portion also are equipped with balance weight iron 14.Balance weight iron 14 is fixed on central support shaft 13 by spacer 10 and round nut 11, its effect is the weight of the fan-shaped balance weight of balance work piece, so that under the supporting role of the support spring 8 of elastic supporting mechanism, driving fan-shaped balance weight, central support shaft 13 moves upward.
Described central support shaft 13, can slide up and down along guide holder 18 together with slide block 16 under the supporting role of elastic supporting mechanism; The central support shaft 13 that is supporting fan-shaped balance weight 26 can upwards move in the vertical elongated slot on riser 1-2, until the inner arc surface of fan-shaped balance weight 26 near alignment pin 19, is realized the accurate location of fan-shaped balance weight; Then adjust the bearing height of base upper support jacking mechanism, hold out against the exterior arc surface of fan-shaped balance weight, realize the clamping of fan-shaped balance weight.
In order to facilitate fan-shaped balance weight loading and unloading, on described jig main body base 1-1, also be symmetrically installed with a pair of slide bar 23 and sliding rod rack 24, it is upper that sliding rod rack 24 structure that is rectangular in shape, an one right-angle side are secured by bolts in jig main body base 1-1, another right-angle side installed inside slide bar 23; Slide bar 23 is a cylinder, and the one end is supported by sliding rod rack 24, and the other end is inwardly unsettled.
During clamping of the present invention, at first by fan-shaped balance weight 26 inner arc surfaces upwards, exterior arc surface is downward, and exterior arc surface is placed on slide bar, adjust stop screw 17, make central support shaft 13 aim at that circular hole of processing in advance in the middle of fan-shaped balance weight 26 planes, under this state, the inner arc surface of fan-shaped balance weight 26 is higher than alignment pin 19, in pushing fan-shaped balance weight the process of jig main body riser to, fan-shaped balance weight exterior arc surface, from landing on slide bar 23, is supported by central support shaft, and is upwards unsettled.Then, continue to promote and press inwards fan-shaped balance weight downwards, make its inner arc surface be in two alignment pins 19 the face of cylinder below, the back plane of fan-shaped balance weight is joined near three support nails 20, then, stop pressing down, the fan-shaped balance weight of this moment moves upward under the supporting drive of the central support shaft that is supported by elastic supporting mechanism, until its inner arc surface is near alignment pin 19.Then, the nut pad is inserted between fan-shaped balance weight and clamp nut and tightens clamp nut complete location.Then adjust the bearing height of base upper support jacking mechanism, hold out against the exterior arc surface of fan-shaped balance weight, realize the clamping of fan-shaped balance weight.Fan-shaped balance weight after location clamps, two alignment pins on inner arc surface and jig main body riser are tangent, and the line of two points of tangency is the profound length of inner arc surface in this section of fan-shaped balance weight in same profile, and this is profound is a horizontal line.By the vertical line in central support shaft axle center, will perpendicular to and divide this profound line equally.According to the rule of " divide equally perpendicular to profound diameter this is profound ", this vertical line is exactly the center line of fan-shaped balance weight inner arc surface.This vertical line is unique in this section, add man-hour as long as machine tool chief axis and cutter are fixed on this vertical line, just can meet the center line of the center line of this pilot hole and sector component inner arc surface, the processing request of vertical, the quadrature of center line that reaches that circular hole that processes in advance on the sector component plane.
The present invention is rational in infrastructure, and is easy to use, supports, accurate positioning, and reliable clamping, be a kind of desirable fan-shaped balancing block clamping device, while being particularly suitable for processing on fan-shaped balance weight inner arc surface pilot hole, clamping and uses.
Claims (7)
1. fan-shaped balancing block clamping device, it includes jig main body and central support shaft, jig main body is comprised of base and riser, it is characterized in that: the base of described jig main body is provided with the adjustable support jacking mechanism of a bearing height, vertical elongated slot that the riser of jig main body connects before and after being provided with one, the back side of riser is installed with guide holder, and the front of riser is installed with two alignment pins that coordinate with fan-shaped balance weight inner arc surface and the support nail that coordinates with fan-shaped balance weight back plane; Described central support shaft is passed on riser vertically elongated slot, by being arranged on elastic supporting mechanism on the base of riser rear portion to upper support; The circular hole on fan-shaped balance weight is passed in the front portion of central support shaft, support fan-shaped balance weight, the front end of central support shaft is equipped with clamp nut, rear portion is equipped with slide block, the slide block outside is provided with the slide block cover plate, the slide block cover plate is fixed on guide holder by trip bolt, and central support shaft, can slide up and down along guide holder together with slide block under the supporting role of elastic supporting mechanism; The central support shaft that is supporting fan-shaped balance weight can upwards move in the vertical elongated slot on riser, until the inner arc surface of fan-shaped balance weight near alignment pin, is realized the accurate location of fan-shaped balance weight; Then adjust the bearing height of base upper support jacking mechanism, hold out against the exterior arc surface of fan-shaped balance weight, realize the clamping of fan-shaped balance weight.
2. fan-shaped balancing block clamping device according to claim 1, it is characterized in that: described support jacking mechanism comprises that one holds out against screw and swivel nut, swivel nut is fixed in the groove on the jig main body base by trip bolt, hold out against the screw bottom and be provided with the screw thread that coordinates with swivel nut, top is provided with hex surface, and top is cup head.
3. fan-shaped balancing block clamping device according to claim 1, it is characterized in that: described elastic supporting mechanism comprises support spring, spring base, spring adjusting lever, nut and guider screw, spring base is arranged between central support shaft and support spring, the spring adjusting lever is arranged on the support spring bottom, its underpart threaded rod is provided with elongated slot, the spring adjusting lever coordinates with nut, be arranged on the jig main body base circular hole in, guider screw is screwed on jig main body, and front end is inserted in the elongated slot of spring adjusting lever lower thread bar.
4. fan-shaped balancing block clamping device according to claim 1, it is characterized in that: the top of described guide holder also is equipped with stop screw.
5. fan-shaped balancing block clamping device according to claim 1, is characterized in that: balance weight iron also is installed outside the slide block cover plate of described central support shaft rear portion.
6. fan-shaped balancing block clamping device according to claim 1 is characterized in that: described slide block cover plate be provided with for central support shaft by and vertical elongated slot of moving up and down, the slide block cover plate is fixed by screws on guide holder.
7. fan-shaped balancing block clamping device according to claim 1, it is characterized in that: on described jig main body base, also be symmetrically installed with a pair of slide bar and sliding rod rack, the sliding rod rack structure that is rectangular in shape, an one right-angle side is secured by bolts on the jig main body base, another right-angle side installed inside slide bar; Slide bar is a cylinder, and the one end is supported by sliding rod rack, and the other end is inwardly unsettled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103719958A CN103394943A (en) | 2013-08-23 | 2013-08-23 | Clamping device for fan-shaped balance block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103719958A CN103394943A (en) | 2013-08-23 | 2013-08-23 | Clamping device for fan-shaped balance block |
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| Publication Number | Publication Date |
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| CN103394943A true CN103394943A (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103719958A Pending CN103394943A (en) | 2013-08-23 | 2013-08-23 | Clamping device for fan-shaped balance block |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110891729A (en) * | 2017-07-28 | 2020-03-17 | 达纳加拿大公司 | Apparatus and method for aligning components for laser welding |
-
2013
- 2013-08-23 CN CN2013103719958A patent/CN103394943A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110891729A (en) * | 2017-07-28 | 2020-03-17 | 达纳加拿大公司 | Apparatus and method for aligning components for laser welding |
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Application publication date: 20131120 |
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| WD01 | Invention patent application deemed withdrawn after publication |