CN2195409Y

CN2195409Y - Vices

Info

Publication number: CN2195409Y
Application number: CN 94211459
Authority: CN
Inventors: 龚大棚
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-05-13
Filing date: 1994-05-13
Publication date: 1995-04-26
Anticipated expiration: 2004-05-13

Abstract

The utility model relates to a bench clamp with a self-rotated clamp jaw. The bench clamp is an improvement on the basis of a universal bench clamp. The utility model has the technical proposal that a fixed clamp jaw which is integrally cast with a clamp body is changed to the self-rotating clamp jaw which is separated from the clamp body. In addition, a cylindrical surface body of which the cross section is sectorial on the end surface of the self-rotating clamp jaw is arranged in a curved surface body of which the cross section is sectorial on the end surface of the clamp body. Thus, the self-rotated clamp jaw can be rotated along a public self-rotated axis, a zero degree positioning pin is also arranged, and a spacer pin is arranged in the movable clamp jaw. The bench clamp with a self-rotated clamp jaw can be suitable for clamping two pairs of working pieces, the opposite surfaces of which are unparallel, such as slope components and cone components, and the bench clamp with a self-rotated clamp jaw has the advantages of labor saving, power saving, convenient operation, high work efficiency and high machining quality obviously. The utility model is a novel tool for mechanical processing.

Description

Vices

The bench vice that a kind of jaw can spin belongs to tool for mechanical machining.

Bench vice is one of instrument of the most normal use in the machining, general bench vice by pincers seat, caliper, decide jaw, moving jaw and retaining mechanism and form, jaw decided by general bench vice and caliper is cast as one, and to decide jaw in use be to be in parallel state with movable clamp port all the time.Though had propelling, the back body of pair bench vice to do different improvement in recent years, there is the bench vice of the quick retaining mechanism of several different structures to come out, all fail to change and decide jaw and movable clamp port is in the state that is parallel to each other all the time.Because the bench vice of existing various different structures, all still keep movable clamp port and deciding the structure that jaw all is in parastate all the time, very inconvenient in the use, when workpiece two relative planes not parallel, perhaps workpiece is taper, when perhaps workpiece has one side for the inclined-plane, workpiece is difficult to clamped in jaw, influence crudy, for making this class workpiece can be clamped in jaw, to guarantee crudy, adopt the method that adds correcting wedge usually, such one is the waste working time, consume cushion block, the 2nd, correcting wedge is difficult to also make that realization face contacts between workpiece and jaw, and the dead workpiece of folder influences crudy.At present the applicant do not see jaw as yet can be with the report of the document of the bench vice of workpiece face rotation.

The purpose of this utility model, be to design a kind of jaw can with the rotation of workpiece face, can clamp the uneven workpiece of two opposite faces, easy to use, can increase work efficiency, guarantee the bench vice that the jaw of crudy can spin.

The purpose of this utility model is to realize with following technical scheme: general by pincers base (1), caliper (3), screw rod (5), nut (4), on the basis of the bench vice that moving jaw (6) constitutes, adopted four feature technologies: the one, on the position that caliper (3) and spin jaw (12) vertical connection touch, be that the cross section is that fan-shaped curved surface and the cross section of α degree is that the fan-shaped cylinder of 360-β degree is connected, promptly at the end face of jaw (12) that spins, be identical two inclined-planes that are mutually beta angle of slope, and with two intersections that intersect the inclined-plane is axis, and making the cross section is the fan-shaped cylinder of 360-β degree; End face in caliper (3), be that slope equates but two inclined-planes at α degree angle each other equally, and with two intersections that intersect the inclined-plane is that axis is made the fan-shaped curved surface that the cross section is the α degree, and the cross section is that the diameter of fan-shaped cylinder of 360-β degree and the diameter that the cross section is the fan-shaped curved surface of α degree are to adapt, be that the cross section is the fan-shaped cylinder of 360-β degree, can in the cross section is the fan-shaped curved surface of α degree, rotate.The 2nd, in order to realize that rotating jaw (12) can transfer can upper and lowerly not move in certain plane inward turning, at a semicircle slideway pressing plate of bottom device (15) of spin jaw (12), slideway pressing plate (15) is inserted the horizontal slideway of caliper (3) the inside.The 3rd, for the jaw (12) that makes spin can with moving jaw (6) keeping parallelism, on the vertical direction of caliper (3) and the contacted horizontal plane of spin jaw (12), have concentric fixed pin holes (13), when moving jaw (6) is in parallel position with spin jaw (12), in fixed pin holes (13), insert alignment pin (14), spin jaw (12) can not be rotated, realize the state of two jaw keeping parallelisms.The 4th is spinned bench vice when clamping for the workpiece that prevents to have the conical surface or Dou face, workpiece slides to an aspect, in moving jaw (6) and pincers teeth (7), is provided with spacer pin (8), workpiece is in clamped process, and the limited pin of an end (8) blocks and can not slide in jaw.

The detailed structure of the bench vice that can spin below in conjunction with this jaw of description of drawings.

The bench vice structural representation that Fig. 1 can spin for jaw.

Fig. 2 is I-I profile of Fig. 1.

Fig. 3 is that the A of Fig. 1 is to view.

Fig. 4 is II-II profile of Fig. 2.

Fig. 5 is the structure chart of spacer pin among Fig. 1, Fig. 2 (8).

Fig. 6 is that the B of Fig. 5 is to view.

Fig. 7 is the C portion enlarged drawing of Fig. 2.

The bench vice working state schematic representation that Fig. 8 can spin for jaw.

Fig. 9 is the shape figure of alignment pin among Fig. 1 (14).

Figure 10 is that the D of Fig. 9 is to view.

The structure of the bench vice that jaw can spin such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, caliper (3) is connected on the pincers bases (1) with central shaft (2), in caliper (3), be provided with screw rod (5), nut (4), the rotation of screw rod (5) can drive moving jaw (6) and advance or retreat, on moving jaw (6), be fixed wtih adjustable clamp tooth (7), it is characterized in that in moving jaw (6), in the adjustable clamp tooth (7), be provided with spacer pin (8), the structure of spacer pin (8) is such as figure (5), shown in Figure 6, the assembling of spacer pin (8) is used as shown in Figure 7. After removing correcting wedge (10), spacer pin (8) is retracted in pincers teeth (7) under the effect of spring (9), when needs spacer pin (8), can insert correcting wedge (10), needed spacer pin (8) is ejected the working face that clamps teeth (7).

Method of attachment such as Fig. 1, Fig. 2, shown in Figure 3 of spin jaw (12) and caliper (3), at the position that caliper (3) and spin jaw (12) vertical connection touch, that the cross section is that fan-shaped curved surface and the cross section of α degree is that the fan-shaped cylinder of 360-β degree is connected, here α＜180 are spent, β＜180 degree, namely at the end face of spin jaw (12), the inclined-plane that two slopes equate is mutually the β degree, makes the cross section take its intersecting straight lines as axis and is the fan-shaped cylinder of 360-β degree; End face in caliper (3), that slope equates but be mutually two of α degree to intersect the inclined-plane equally, take its intersecting lens as axis, making the cross section is the fan-shaped curved surface of α degree, cross section on spin jaw (12) end face is the fan-shaped column-shape showering of 360-β degree, can the cross section on caliper (3) end face be in the fan-shaped curved surface of α degree, around rotation 0-0 ' rotation, thus the purpose of realization rotation. Because caliper (3) end face two intersects each other α degree of inclined-planes, so the cross section of the curved surface between them is the fan-shaped of α degree, and it is the β degree that spin jaw (12) end face two intersects inclined-planes, the cylinder between them The cross section be the fan-shaped of 360-β degree, therefore the angle between end face two relative inclined-planes adjacent with caliper (3), two inclined-planes of jaw (12) end face of spinning is 1/2 ［ 360-(alpha+beta) ］, namely be that spin jaw (12) can be clockwise, the maximum angle that also can be rotated counterclockwise is 1/2 ［ 360-(alpha+beta) ］ degree.

The control of spin jaw (12) horizontal motion is adopted such as Fig. 1, method shown in Figure 3, namely be in the circular slideway of caliper (3), insert a semicircle slideway pressing plate (15), semicircle slideway pressing plate (15) is connected the bottom surface of spin jaw (12) with screw, jaw (12) like this spins, just can only in the plane that slideway pressing plate (15) limit, move, and about not understanding, move forward and backward.

For the jaw (12) that can make spin can be in parallel position with moving jaw (6), adopt method as shown in Figure 1 and Figure 2, promptly when moving jaw (6) and spin jaw (12) when being in parallel position, vertical direction on the plane that spin jaw (12) and caliper (3) touch mutually, make a locating hole (13), and in locating hole (13), insert alignment pin (14), and spin jaw (12) can not be rotated, this pin claims the zero degree alignment pin.

The bench vice that the jaw of this structure can spin, the pincers seat, caliper and rotating screw bolt, nut, the structure of moving jaw is identical with the universal conventional table wrench structure, just owing to adopted four above-mentioned feature technology, when holding workpiece, clamping force is by moving jaw (6) and workpiece (M), be delivered on the spin jaw (12), make spin jaw (12) under the effect on workpiece (M) inclined-plane, produce rotation, be depicted as dotted portion among Fig. 8 and prevent that clamped workpiece (M) from sliding to a direction, available spacer pin (8) withstands workpiece (M), as shown in Figure 8, therefore this jaw bench vice that can spin, one of them jaw can rotate voluntarily with the workpiece face, can clamp the uneven workpiece of two opposite faces, and easy to use, save time, laborsaving, can obviously increase work efficiency, guarantee crudy, be a kind of new mechanical machining tool.

Embodiment is as follows:

1, the structure of pincers base (1), caliper (3), screw rod (5), nut (4) is identical with general bench vice, and moving jaw (6) can be made into various sizes.

2, the spacer pin (8) in moving jaw (6), pincers teeth (7) is made as Fig. 5, shape shown in Figure 6, and have correcting wedge (10), when moving jaw (6) is 240 * 160 * 75mm, spacer pin (8) should be length 28mm mutually, and the length of side is the tetrahedron of 10mm.Middle circle diameter is 18mm, and correcting wedge is of a size of 100 * 9.5 * 9.5mm.

3, spin jaw (12) size and moving jaw (6) are measure-alike.It is made into 130 degree with caliper (3) contacted two angle β that intersect inclined-planes aspect vertical, this two interplanar is the fan-shaped cylinder body that the cross section equals the 360-130=230 degree, caliper (3) intersects the inclined-plane with spin jaw (12) contacted two, the angle α that makes equals 170 degree, this two interplanar is that the cross section is the fan-shaped curved body of 170 degree like this, so the cross section is the fan-shaped cylinder body of 230 degree, inserting the cross section is in the fan-shaped curved body of 170 degree, and the diameter of fan-shaped curved surface is than the big 0.10-0.30mm of diameter of fan-shaped cylinder, being beneficial to fan-shaped cylinder body can rotate in fan-shaped curved body along spin central axis 0-0 ', because the angle β on spin jaw (12) end face two inclined-planes is 130 degree, the angle α on caliper (3) end face two inclined-planes is 170 degree, spin jaw (12) can be clockwise like this, or the maximum angle that is rotated counterclockwise is

1/2 the 360-(alpha+beta) ］=30 degree.

4, spin jaw (12) is the fan-shaped of 15 degree with the cross section of " zero-bit locating hole (13) " of the vertical direction of the contacted horizontal plane of caliper (3), purpose is for increasing contact area, increase spacing resistance, alignment pin (14) is made the cross sectional shape that adapts with locating hole (13), the shape of alignment pin (14) such as Fig. 9, shown in Figure 10.

The bench vice of this jaw spin, easy to use, laborsaving, save time, the spin jaw can be with by the size of card workpiece nonparallelism, in the rotation automatically of stressed back, till workpiece fits like a glove until two jaws with by card, this moment the contact-making surface maximum, friction is also maximum, workpiece is the most stable, operation can be carried out smoothly, thereby obviously increases work efficiency and crudy, is a kind of machine tools with practical value.

Claims

1, a kind of jaw bench vice that can spin by pincers base (1), caliper (3), advance, return screw rod (5), nut (4) and moving jaw (6), spin jaw (12) formation, is characterized in that:

(A) on caliper (3) and spin jaw (12) the perpendicular position that contacts, be that the cross section is that fan-shaped curved surface and the cross section of α degree is that the fan-shaped cylinder of 360-β degree is connected, promptly at the end face of jaw (12) that spins, be two inclined-planes that slope is identical, be mutually beta angle, and with two inclined-plane intersecting lenses is axis, and making the cross section is the fan-shaped cylinder of 360-β degree; End face in caliper (3), be identical but two inclined-planes at α degree angle each other of slope equally, and with two inclined-plane intersections is axis, making the cross section is the fan-shaped curved surface of α degree, and the diameter of the diameter of fan-shaped cylinder body and fan-shaped curved surface is suitable, and the cylinder body can be along spin axis 0-0 ' rotation in curved surface;

(B) in the bottom of spin jaw (12), be connected with circular slideway pressing plate (15) with screw, and slideway pressing plate (15) is inserted in the slideway of caliper (3);

(C) in the vertical direction of spin jaw (6), have locating hole (13), can insert alignment pin (14) in the locating hole (13) with the horizontal contact-making surface of caliper (3);

(D) in moving jaw (6), adjustable clamp tooth (7), be provided with spacer pin (8).

2, the bench vice of jaw according to claim 1 spin, it is characterized in that at caliper (3) and the automatic perpendicular position that contacts of wrench mouth (12), the identical inclined-plane angle β of two slopes on the end face of spin jaw (12)=130 degree is that its cross section of cylinder of axis is the fan-shaped of 230 degree with two inclined-plane intersections; At the identical inclined-plane angle α of end face two slopes of caliper (3)=170 degree, its cross section of curved surface that is axis with this two inclined-planes intersection is the fan-shaped of 170 degree, like this, between two inclined-planes of spin jaw (12) end face and two inclined-planes of caliper (3) end face, the revolution space that 30 degree are respectively arranged, promptly be that spin jaw (12) can be clockwise, also the maximum angle that can be rotated counterclockwise is 30 degree.

3, the bench vice of jaw spin according to claim 1, it is characterized in that the spacer pin (8) in moving jaw (6) and the adjustable clamp tooth (7), insert in the hole of jaw (6), pincers teeth (7) with spring (9), can make spacer pin (8) protrude in pincers teeth (7) outside with correcting wedge (10), also can remove correcting wedge (10) spacer pin (8) is retracted in the pincers teeth (7).

4, the jaw according to claim 1 bench vice that can spin, it is characterized in that the locating hole (13) on the vertical direction of spin jaw (12) and the contacted horizontal plane of caliper (3), its cross section is fan-shaped, and alignment pin (14) cross section of inserting in the locating hole (13) is also fan-shaped for what adapt.