CN218533625U - Keyway adds clamping apparatus - Google Patents

Abstract

The utility model provides a keyway adds clamping apparatus, it includes the base, first recess has been seted up at the base center, threaded connection has the screw rod on the base, the cover is equipped with the clamp plate on the screw rod, it is equipped with the spring still to overlap on the screw rod, the spring is located between clamp plate and the base, it has the nut still to threaded connection on the screw rod, the nut is located the top of clamp plate, it has the bed hedgehopping pole still to threaded connection on the base, the vertical extension of bed hedgehopping pole and its upper end offset with the clamp plate, bed hedgehopping pole and first recess divide row screw rod both sides and the perpendicular projection that the clamp plate deviates from bed hedgehopping pole one end to be located first recess. The utility model discloses in because the spring has been placed to the clamp plate below, when loosening the nut, the spring can make progress the lifting with the clamp plate so that clamp plate and work piece break away from, again with the clamp plate rotation in order to be mutually wrong with the work piece for the staff can directly take and place the work piece, has solved among the prior art need loosen the nut earlier and then take off the clamp plate and just can follow the problem that anchor clamps were taken off to the work piece.

Description

Keyway adds clamping apparatus

Technical Field

The utility model relates to a keyway processing equipment technical field especially relates to a keyway processing anchor clamps.

Background

The key groove can be formed in the inner hole of a workpiece sleeve (a long sleeve part) by adopting a cutting method, but a clamp is generally required to clamp the workpiece sleeve, so that the key groove can be formed after the workpiece sleeve is fixed, for example, a clamp for cutting and processing the key groove in the inner hole of the oversleeve disclosed in the Chinese patent with the publication number of CN205551714U comprises a core bar, and a pressing plate and a base which are detachably connected with the upper end and the lower end of the core bar respectively, one or more oversleeve products are superposed on the core bar during working, the pressing plate and the base clamp the upper end and the lower end of the core bar, and notches for processing the key groove are correspondingly formed in the pressing plate and the base.

The clamp clamps the workpiece, the base is fixed on a cross beam of the cutting machine, the core rod is placed into a fixing hole of the base, and the side screw is tightly pushed, so that the core rod is firmly fixed and accurately positioned; during machining, a core rod is sleeved in an inner hole of a workpiece, the workpiece is tightly pressed by a pressing plate and a screw cap, then a cutting wire penetrates through a gap defined by a notch corresponding to the key groove, an open slot and an edge, the key groove is machined by taking the circle center of the arc of the cutting base as a reference, and after machining is finished, the screw cap is loosened, the pressing plate is taken down, and the workpiece can be taken out and a product can be installed again.

The workpiece with the inner hole needing to be cut into the key groove can be clamped tightly by the clamp, the workpiece is positioned and limited through the core rod, then the workpiece is clamped tightly through the upper clamping plate and the lower clamping plate, after the key groove of the workpiece is cut, the nut needs to be loosened firstly, then the pressing plate needs to be taken down, the workpiece can be taken down from the clamp, the steps are complex, and the operation efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a keyway adds clamping apparatus, it has solved the problem that needs loosen the nut earlier and take off the clamp plate again and just can take off the work piece from anchor clamps among the prior art.

According to the utility model discloses an embodiment, a keyway adds clamping apparatus, it includes the base, first recess has been seted up at the base center, threaded connection has the screw rod on the base, the cover is equipped with the clamp plate on the screw rod, it is equipped with the spring still to overlap on the screw rod, the spring is located the clamp plate with between the base, it has the nut still to thread connection on the screw rod, the nut is located the top of clamp plate, it has the bed hedgehopping pole still to thread connection on the base, and the vertical extension of bed hedgehopping pole and its upper end offset with the clamp plate, and bed hedgehopping pole and first recess divide and to be listed as screw rod both sides and the perpendicular projection that the clamp plate deviates from bed hedgehopping pole one end to be located first recess.

In the above embodiment, the base is fixed on a workbench of a machine tool for cutting a key slot on a workpiece, the pressing plate is rotated so that the workpiece can be directly placed into the first groove, then the pressing plate is rotated back to the original position to press the workpiece, and then the nut is rotated so that the pressing plate can more tightly press the workpiece; after the cutting of the inner hole key groove of the workpiece is finished, the nut is rotated upwards to enable the pressing plate to be released, the spring recovers deformation and lifts the pressing plate upwards to enable the pressing plate to be separated from the workpiece, so that the pressing plate can rotate, then the pressing plate is rotated to be staggered with the workpiece, the workpiece can be conveniently taken out of the first groove directly, and then the next workpiece to be machined is placed in the first groove; because the spring is placed below the pressing plate, when the nut is loosened, the spring can lift the pressing plate upwards to separate the pressing plate from the workpiece, and then the pressing plate rotates to be staggered with the workpiece, so that a worker can directly take and place the workpiece, and the problem that the workpiece can be taken down from the clamp only by loosening the nut and then taking down the pressing plate in the prior art is solved.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the clamp, the spring is placed below the pressing plate, when the nut is loosened, the spring can lift the pressing plate upwards to enable the pressing plate to be separated from a workpiece, and then the pressing plate rotates to be staggered with the workpiece, so that a worker can directly take and place the workpiece, and the problem that the workpiece can be taken down from the clamp by loosening the nut and then taking down the pressing plate in the prior art is solved.

Drawings

Fig. 1 is a front view (when no workpiece is placed) of the overall structure of the embodiment of the present invention;

FIG. 2 is a second front view of the overall structure of the embodiment of the present invention (when placing a workpiece);

FIG. 3 is a side view of the overall structure of an embodiment of the present invention (as the platen rotates);

fig. 4 is a schematic structural view of a pressing plate according to an embodiment of the present invention;

in the above drawings: the device comprises a base 1, a first groove 2, a screw rod 3, a pressure plate 4, a spring 5, a nut 6, a heightening rod 7, a second groove 8, a first through hole 9, a washer 10, a first thread section 11, a first rotating section 12, a first threaded hole 13, a second thread section 14, a second rotating section 15, a second threaded hole 16, a third thread section 17, a second through hole 18 and a workpiece 19.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1, 2, 3, and 4, this embodiment provides a keyway processing fixture, which includes a base 1, a first groove 2 is formed in the center of the base 1, so that a workpiece 11 can be directly placed into the first groove 2 for direct positioning, a screw 3 is screwed on the base 1, the screw 3 includes a second threaded section 14 and a second rotating section 15, the base 1 is formed with a second threaded hole 16, the second threaded section 14 is screwed with the second threaded hole 16, so that a worker holds the second rotating section 15 to rotate the second threaded section 14 into the second threaded hole 16 for fixing, a pressure plate 4 is sleeved on the screw 3, a second through hole 18 is further formed on the pressure plate 4, the diameter of the second through hole 18 is greater than that of the screw 3, so that the pressure plate 4 can move up and down on the screw 3, a spring 5 is further sleeved on the screw 3, the spring 5 is located between the pressure plate 4 and the base 1, so that the pressure plate 4 cannot directly slide onto the base 1 along the screw 3 after rotating,

the screw rod 3 is further in threaded connection with a nut 6, the screw rod 3 further comprises a third threaded section 17, the third threaded section 17 is in threaded connection with the nut 6, the nut 6 is located above the pressing plate 4, so that the pressing plate 4 is firmer when pressing the workpiece 11, the base 1 is further in threaded connection with a heightening rod 7, the heightening rod 7 comprises a first threaded section 11 and a first rotating section 12, the base 1 is provided with a first threaded hole 13, the first threaded section 11 is in threaded connection with the first threaded hole 13, a worker can hold the first rotating section 12 to rotate the first threaded section 11 into the first threaded hole 13 for fixing, when the pressing plate 4 presses the workpiece 11, the other end, far away from the workpiece 11, of the pressing plate 4 is balanced through the heightening rod 7, the pressing plate 4 is prevented from being inclined when the pressing plate 4 is screwed through the nut 6, the heightening rod 7 is in threaded connection, the heightening rod 7 can be replaced according to the height of the workpiece 11, the heightening rod 7 extends vertically, the upper end of the heightening rod 7 abuts against the pressing plate 4, and the first threaded section 7 and one end of the first groove 2 is located in the projection groove 2.

In the above embodiment, the base 1 is fixed on a workbench of a machine tool for cutting a key slot on a workpiece 19, the pressure plate 4 is rotated to enable the workpiece 19 to be directly placed into the first groove 2, then the pressure plate 4 is rotated back to the original position to press the workpiece 19, and then the nut 6 is rotated to enable the pressure plate 4 to press the workpiece 19 more tightly, so that the workpiece 19 is prevented from moving during cutting and scrapping of the workpiece 19; after the cutting of the inner hole key groove of the workpiece 19 is completed, the nut 6 is rotated upwards to release the pressure plate 4, the spring 5 recovers deformation and lifts the pressure plate 4 upwards to separate the pressure plate 4 from the workpiece 19, so that the pressure plate 4 can rotate, then the pressure plate 4 is rotated to be staggered with the workpiece 19, the workpiece 19 can be conveniently and directly taken out of the first groove 2, and then the next workpiece 19 to be processed is put in; because the spring 5 is placed below the pressing plate 4, when the nut 6 is loosened, the spring 5 can lift the pressing plate 4 upwards to separate the pressing plate 4 from the workpiece 19, and then the pressing plate 4 rotates to be staggered with the workpiece 19, so that a worker can directly take and place the workpiece 19, and the problem that the workpiece 19 can be taken down from a clamp only by loosening the nut and then taking down the pressing plate 4 in the prior art is solved.

As shown in fig. 1 and 2, the lower end of the spring 5 is fixedly connected with the upper surface of the base 1, so that the spring 5 can be stably sleeved on the screw rod 3, and meanwhile, the upper end of the spring 5 is separated from the pressure plate 4, so that the pressure plate 4 can rotate freely.

As shown in fig. 1 and 2, a second groove 8 is formed in the pressing plate 4, and the upper end of the heightening rod 7 abuts against the second groove 8, so that the pressing plate 4 can be quickly positioned, and then when the pressing plate 4 is pressed by rotating the nut 6, the pressing plate 4 is prevented from being deviated in the rotating process of the nut 6.

As shown in fig. 1 and 2, a first through hole 9 is formed in the bottom surface of the first groove 2, and when a key slot of an inner hole of a workpiece is cut by using wire cutting, a cutting wire can pass through the first through hole 9 to cut the key slot of the inner hole of the workpiece 11.

As shown in fig. 1, 2 and 3, a washer 10 is placed between the nut 6 and the pressure plate 4, the washer 10 can protect the surface of the pressure plate 4 from being scratched by the nut 6, and can also disperse the pressure of the nut 6 on the pressure plate 4 and prevent the nut 6 from loosening.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (9)

1. The utility model provides a keyway adds clamping apparatus, its characterized in that includes base (1), first recess (2) have been seted up at base (1) center, threaded connection has screw rod (3) on base (1), the cover is equipped with clamp plate (4) on screw rod (3), it is equipped with spring (5) still to overlap on screw rod (3), spring (5) are located clamp plate (4) with between base (1), it has nut (6) still to go back threaded connection on screw rod (3), nut (6) are located the top of clamp plate (4), it has bed hedgehopping pole (7) still to threaded connection on base (1), bed hedgehopping pole (7) vertical extension and its upper end with clamp plate (4) offset, bed hedgehopping pole (7) with first recess (2) branch is listed as screw rod (3) both sides just clamp plate (4) deviate from the vertical projection of bed hedgehopping pole (7) one end is located in first recess (2).

2. A key groove machining jig according to claim 1, characterized in that the lower end of the spring (5) is fixedly connected to the upper end face of the base (1).

3. The keyway machining fixture according to claim 1, wherein a second groove (8) is formed in the pressure plate (4), and the upper end of the heightening rod (7) abuts against the second groove (8).

4. A key groove machining jig according to claim 1, characterized in that the first groove (2) is provided with a first through hole (9) in the bottom surface thereof.

5. A keyway machining clamp according to claim 1, characterized in that a washer (10) is placed between the nut (6) and the pressure plate (4).

6. The key groove machining clamp for the key groove of the claim 1 is characterized in that the heightening rod (7) comprises a first thread section (11) and a first rotating section (12), the base (1) is provided with a first threaded hole (13), and the first thread section (11) is in threaded connection with the first threaded hole (13).

7. The keyway machining fixture of claim 1, characterized in that the screw (3) comprises a second threaded section (14) and a second rotating section (15), the base (1) is provided with a second threaded hole (16), and the second threaded section (14) is in threaded connection with the second threaded hole (16).

8. Keyway machining clamp according to claim 1, characterized in that the screw (3) further comprises a third threaded section (17), the third threaded section (17) being in threaded connection with the nut (6).

9. The keyway machining fixture of claim 1, wherein the pressure plate (4) is further provided with a second through hole (18), and the diameter of the second through hole (18) is larger than that of the screw (3) so that the pressure plate (4) can move up and down on the screw (3).

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