CN1197715A

CN1197715A - Clamping system

Info

Publication number: CN1197715A
Application number: CN 98100973
Authority: CN
Inventors: 丹尼尔·L·普尔; 罗伯特·N·普尔
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-03-27
Filing date: 1998-03-27
Publication date: 1998-11-04
Anticipated expiration: 2018-03-27
Also published as: CN1104995C; CA2233148A1; DE69824070T2; EP0867262A1; EP0867262B1; CA2233148C; DE69824070D1

Abstract

Disclosed is a clamp apparatus including a base having a surface, a plurality of holes positioned in a pattern in the surface of the base, and a cam peg including a shaft sized to be rotatably receivable by a selected one of the plurality of holes and a cam portion coupled to the shaft for rotation therewith. The cam portion is adapted to engage an item to be clamped on the base.

Description

Clamping system

The present invention relates to clamping device, particularly the clamping device that can infinitely regulate.

Clamping device is known, and has been used in the industry-by-industry for prolonged period of time and in individual's the workplace.Clamping device be design be used for one or more parts in conjunction with or shrink or be pressed to together, make them be firmly held in together device.A lot of clamping devices as C clamp, can be clamped to two objects together, or want processed object to remain on the surface with one.A shortcoming of this class clamping device is that for an object is clamped on the surface, this surface must have an edge that gets at.Therefore, though this surface can be big, and only be that the edge that exposes can be used for clamping.And a lot of clamping devices are huge, heavy, may hinder and on clamped, carry out work.For example, a workpiece clamp is tightened on the workbench, is wanting on the surface of sand milling because clamping device stretches out probably, and is being not easy to carry out sand milling.Done and appeared a lot of trials a clamping device is merged to an instrument or workbench,, but almost do not had assorted petty progress as a drilling machine or a miter box.

Therefore, be desirable to provide a kind of new improved clamping system especially.

The purpose of this invention is to provide a kind of new improved clamping system, it can carry out unlimited adjusting.

Another object of the present invention is, a kind of clamping system is provided, and it can combine with a workbench or instrument.

Another object of the present invention provides a kind of new improved clamping system, and it can clamp erose workpiece.

Another object of the present invention provides a kind of new improved clamping system, and it can be tightened to a workpiece clamp on the surface.

In a kind of like this clamping device, the problems referred to above and other problems are resolved at least in part and such use can realize with other purposes, it comprises: a base portion, a plurality of holes that it has a surface and is provided with a shaping type on the described surface of described base portion; A cam peg, it comprises an axle, among the size of described axle makes and rotatably is contained in one that selects in described a plurality of hole and a cam portion, it is couple to described axle and goes up and together rotation of axle.Described cam portion can engage a workpiece that will be clamped at described base portion.

In embodiment more specifically, described cam peg comprises that helps a member that rotates, and it can be anchor clamps, or one accepts opening at the instrument of described axle upper end.In addition, on described axle, can fix a retaining mechanism, be used for the cam peg is locked among one that described a plurality of hole selects.

By the detailed introduction below in conjunction with the preferred embodiment of accompanying drawing, industry personage can understand above-mentioned and other and specific purpose and advantage of the present invention.In the accompanying drawing:

Fig. 1 is the local figure of clamping device of the present invention;

Fig. 2 is a cam peg perspective view of the present invention;

Fig. 3 is the vertical view of the cam peg of Fig. 2;

Fig. 4 is the perspective view of another embodiment of cam peg;

Fig. 5 is the perspective view of the cam peg of tight mechanism with lock;

Fig. 6 is the cam peg end view of Fig. 5;

Fig. 7 is the exploded view of the cam peg retaining mechanism of Fig. 5;

Fig. 8 is the vertical view of a cam washers;

Fig. 9 is a clamping device base portion plan view from above, and the shape in a hole is shown; ,

Figure 10 is the enlarging section component of Fig. 9 base portion;

Figure 11 is a perspective view, and a miter box that uses clamping device of the present invention is shown; And

Figure 12 is a perspective view, is illustrated in the miter box of use clamping device of the present invention of Figure 11 and clamps a workpiece.

Referring now to accompanying drawing,, identical label is represented identical parts among all each figure.

See Fig. 1, it shows a clamping device system, comprising: a base portion 10, wherein, form a plurality of holes 12 and cam peg 13, and wherein only illustrate one.Should be understood that illustrated only is the part of base portion 10, and base portion 10 can roughly be desirable size.And the correct position in hole 12 is important for the present invention, and will describe in detail below.It is on any surface substantially that base portion 10 can be attached to, so that chuck(ing) capacity to be provided.For example, have a plurality of connection base portions 10 on the surface of a workbench, clamping system is attached on the part on whole surface.The present invention also can combine with instrument, as uses the base portion similar to base portion 10 to replace or cover the base portion of drilling machine, combines with drilling machine.

See Fig. 2, cam peg 13 illustrates in the drawings.Cam 13 comprises an axle 14, and its diameter allows peg 13 to insert wherein less than the diameter in hole 12.Axle 14 comprises an end 15 and an end opposite 17 that is inserted into hole 12, and it has anchor clamps 18 that make cam peg 17 be easy to rotate in hole 12.A cam portion 19 is formed between end 15 and 17.Further can see referring to Fig. 3, straight diameter ratio shaft 14 that cam 19 has and hole 12 diameter big, and along the line A of Fig. 3 with respect to axle 14 skews.The skew of cam portion 19 makes its overall diameter flush with axle 14 in a side, stretches out from axle 14 at opposition side.Anchor clamps 18 are stretched out by axle 14 along the basic line B vertical with line A.Flush with axle 14 at other regional anchor clamps 18.Anchor clamps 18 when they have adjacent upright surface, help the insertion and the rotation of peg 13, but this are not key points of the present invention with respect to the orientation of cam portion 19.

Referring to Fig. 4, the embodiment of another cam peg, label is 30, illustrates in the drawings.Cam peg 30 comprises an axle 32, and its diameter is slightly littler than the diameter in hole 12, and peg 30 can be inserted into wherein.Axle 32 comprises an end 33 and opposite end 34 that is inserted into hole 12.A cam portion 35 forms at the near-end 34 of axle 14.Similar to cam portion 19, cam portion 35 has the diameter bigger than axle 32 and hole 12, and with respect to axle 32 skews.The skew of cam portion 35 makes its external diameter flush with axle 32 in a side, and is protruding by axle 32 at opposition side.End 34 comprises that also is formed on an interior socket 37, is used to accept an instrument, as a hexagonal hole screw wrench, is convenient to rotation peg 30 in hole 12.

At Fig. 5-7 embodiment of another cam peg is shown, with label 40 expressions.Peg 40 is basic similar to peg 13, comprises an axle 42, and it has an end 43 and end opposite 44, but can be locked in the hole 12 by rotating a screw 45, and screw 45 passes the length of axle 42.As shown in Figure 6, hold 43 openings to allow its outside expansion.Referring to Fig. 7, the expansion part 47 of a band tapering is contained in the chamber 48 of holding the 43 band taperings that form again, and is threadedly engaged with the end of screw 45.When screw 45 tightened, the expansion part 47 of band tapering was pulled to end 44, and end 43 is expanded to extrapolation.Peg can be locked in the hole 12 like this.Should be understood that what illustrate is a cam peg, but the structure of locking can be used on any peg or the accessory.For example, a straight peg also can be provided with locking mechanism.And, can change peg length according to hope.

See Fig. 8, it may be desirable that the cam of cam peg 13,30 and 40 etc. is strengthened.Therefore, a cam washers 50 is set, it comprises an endoporus 52, and its size and shape can be accepted, and for example the cam portion 19 of cam peg 13 therein.The purposes of the bigger cam of She Zhiing is discussed below like this.

See Fig. 9, the top plan view of base portion 10 is shown, the part in hole shown in the figure 12 and a line graticule mesh.The position of line graticule mesh indication window 12, wherein, the position at the place, center in intersection point 65 each hole 12 of expression of line graticule mesh.For directed and help explanation, base portion 10 comprises a top 60, the left side 62 and the right 63.A plurality of oblique rows 64 are aimed in hole 12, and a plurality of oblique rows 64 extend at an angle with top 60.Again referring to Figure 10, it illustrates the part of amplification of the base portion 10 of a Fig. 9, tiltedly arranges 64 and calibration lines, and di sopra 60 approximately becomes 14 degree angles.And each tiltedly arranges 64 with respect to adjacent oblique row's skew.An example of method of determining the position in hole 12 is, with top 60 one-tenth 14 degree setting-out 67.Do a mark 68 at 9/16ths places of each inch.As described below, this distance is according to the distance in 12 in hole and the vary in diameter in hole.Then, lattice are drawn, and line intersects at mark 68, with respect to 67 one-tenth 30 degree of oblique line.In this specific example, hole 12 has the diameter of about 1/2nd inch, approximately at interval ten sixth inches.At their the most close point, hole 12 is distance ten sixth inches approximately.And the center in adjacent oblique row's 64 hole 12 is approximately at a distance of 9/10ths inches holes.The size that should be understood that hole 12 can or reduce according to the hope increase.At this moment the distance between mark also should be regulated rectification.Should also be noted that 14 degree are oblique optimized angles of row 64, also available other angle, as eleventh, 16 degree and 19 are spent.In each situation, the hole is aimed in adjacent row 64, but vertical range between them and horizontal range change.

Hole as black among the figure is shown, because hole 12 is vertical at a certain distance and the aligning of level, so form tiltedly row 64.Goodbye Fig. 9, the aligning in hole 12 make retainer 70 and 72 to be fixed on the base portion 10 by the peg that holds in mating holes 12 that passes.These retainers can be located at any position on the base portion 10, and its effect is object of anchoring.In order to clamp this object, use cam peg 13,30,40 etc.An object 73 is near retainer 70 among the figure.For object 73 is clamped on the position, must select correct hole, this hole is 12a and 12b in this situation.Because the inclination in hole 12 and staggered aligning always have a hole here, it is fully opened, and holds a peg.By using the peg of strap cam, as peg 13, can make cam portion 19 paste the surface 75 of object 73 by with axle 14 rotations, tighten as required, object 73 is being pasted retainer 70 tightening.When rotated, peg 13 remains on new direction owing to the pressure that is applied in respect to cam portion 19.Pressure 19 of object 73 and cam portions is fixing with axle 14.The eccentric characteristic of cam portion 19 makes can be with the hole 12 of leaving contact surface slightly.If wish to use the hole of further leaving with contact surface, can use packing ring 50.

Should be understood that the combination in hole and peg is unlimited in the present invention.For example, can be used in combination straight peg, cam peg or a plurality of peg retainer.In general, these pegs top surface by the object that will fix upwards.Yet as the top surface of a dish of sand milling, this a problem may occur on some jobs.In this case, can use cam peg 30.The end 34 of peg 30 makes and can unhinderedly carry out sand milling under the level of top surface.Should be understood that simply and also can clamp erose object by peg being carried out different combinations and finding suitable hole 12.

See Figure 11, specific example that uses clamping system of the present invention shown in the figure.In this specific examples, clamping system is attached to a miter box 80.Miter box 80 comprises a base portion 82, it has a plurality of holes 83 that are formed on wherein, their orientation as previously mentioned and the upright sidewall 84 that extends upwardly by the opposite side of base portion 82 and 85 and being used to of in sidewall 84 and 85, forming the lead groove 88 of cutting blade.

In the miter box of a routine, a module etc. is placed between the upright sidewall, and with hand with the motion of its firm dish when one of sidewall prevents to cut and guarantee on the angle of hope, to cut.It is unsafty doing with regard to safety and cut quality like this.See Figure 12, use miter box 80 to help on module 89, to carry out the cutting of special angle.Owing to combine novel clamping system of the present invention, miter box 80 has been avoided the problem of conventional miter box.Module 89 is positioned in the passage 87 of 82 of base portions, and a side is near sidewall 84.Cam peg 13 is inserted in the hole among the complete a plurality of holes 83 that do not covered by module 89.Rotation peg 13 makes cam portion 19 paste the surface of module 89.Rotation peg 13 is clamped on the sidewall 84 up to the clamping force of module 89 with hope.Because power between module 89 and peg 13, and peg 13 is attached to the side in hole 83 with axle 14, and peg 13 will keep this orientation.Shown in the figure is a peg, but available one or more peg 13.Module 89 can fixedly be cut.By taking off easily at opposite direction rotation peg 13.

For industry personage, easily the embodiment that selects for use for explanation is made amendment.Do not depart from these modifications of spirit of the present invention, still in following claim restricted portion.

Claims

1. clamping device comprises:

A base portion has a surface;

A plurality of holes are arranged on the described base surface with a shaping type; And

A cam peg comprises an axle, and its big I is contained among one that selects in a plurality of holes rotation and couples with axle, and with the cam portion that axle together rotates, cam portion can engage an object that will clamp at base portion.

2. clamping device according to claim 1 is characterized in that, the cam peg comprises that also is convenient to a revolving part, is convenient to axle is rotated.

3. clamping device according to claim 2 is characterized in that, is convenient to revolving part and comprises anchor clamps that stretch out from the upper end of axle.

4. clamping device according to claim 2 is characterized in that, be convenient to revolving part comprise the axle the instrument in upper end accept opening.

5. clamping device according to claim 1 is characterized in that, it also comprises a retaining mechanism, is fixed on the axle, and the cam peg is locked among one that selects from a plurality of holes.

6. clamping device according to claim 5 is characterized in that locking member comprises the expansion of an axle lower end.

7. clamping device according to claim 1 is characterized in that, the pattern of base surface comprises:

A reference line, described pattern is according to described line orientation; And

A plurality of holes, be arranged as row setting, each row becomes one first jiao with described reference line, each row becomes one second jiao with described reference line, make the row in a plurality of holes or periodic group of the hole in the row aim at a line, described line and described reference line are perpendicular or parallel, and each group is opened a distance with adjacent component, and described distance equals the width of cam portion.

8. clamping device according to claim 7 is characterized in that, described base portion is included in the miter box, and it has a side that limits described reference line.

9. clamping device comprises:

A base portion has a surface;

A plurality of holes, be arranged on the described base surface with a shaping type, described pattern comprises a reference line, described pattern is according to described line orientation, and a plurality of hole is arranged as row setting, and each row becomes one first jiao with described reference line, each row becomes one second jiao with described reference line, make the row in a plurality of holes or periodic group of the hole in the row aim at a line, described line and described reference line are perpendicular or parallel, and each group is opened the distance of a selection with adjacent component; And

A plurality of cam pegs, each comprises an axle, the cam portion that together rotates with axle that its big I is contained among that selects in a plurality of holes rotation and couples with axle, cam portion can engage an object that will clamp at base portion;

Wherein, the object that clamp is located on the surface of described base portion, and a plurality of cam pegs can be contained in a plurality of identical holes adjacent with the object that will clamp, and each cam peg is rotatable, so that make described cam portion engage the object that will clamp.

10. clamping device according to claim 9 is characterized in that, described base portion is included in the miter box, and it has a side that limits described reference line.