CN209830996U - Clamp - Google Patents

Abstract

The utility model provides a clamp, include: a clamp base having a hydraulic channel formed therein, the hydraulic channel having a hydraulic outlet; hydraulic pressure clamping device, hydraulic pressure clamping device connect in on the anchor clamps base, hydraulic pressure clamping device includes: the hydraulic base is provided with a plurality of mounting holes, and the bottom of each mounting hole is provided with a hydraulic through hole penetrating through the bottom of the corresponding mounting hole; the hydraulic cylinders are provided with push rods and hydraulic interfaces, the hydraulic cylinders are positioned in the mounting holes, and the hydraulic interfaces are connected with the hydraulic outlet through the hydraulic through holes; the push rod is connected with the hydraulic clamping jaw; and the part base is connected to the hydraulic base. The utility model discloses the clamp force that makes the hydraulic pressure jack catch exert to the part is unanimous to make part pipe wall atress unanimous, and then prevent that the part is out of shape.

Description

Clamp

Technical Field

The utility model belongs to the technical field of the lathe, especially, relate to an anchor clamps.

Background

In the process of machining parts, a fixture is often used to fix the machining object to a correct position for construction or inspection.

In the prior art, for thin-walled tubular parts, manual clamps are typically used. Fix part 1 on base 2, be provided with manual expansion centering structure 3 on base 2, part 1 overlaps on manual expansion centering structure 3, then locks fixedly part 1 through a plurality of manual clamp plates 4 that lie in around part 1.

However, for the above manual clamp, the manual pressing plate 4 is used to fix the part 1, the manual locking force is not controllable, the clamping force applied to the part by the plurality of manual pressing plates 4 is inconsistent, and the pipe wall of the part 1 is stressed in inconsistent, so that the part is deformed.

SUMMERY OF THE UTILITY MODEL

For solving among the prior art manual clamp plate locking force inconsistent, lead to the part to produce the technical problem who warp, the utility model provides an anchor clamps makes the clamp force that the hydraulic pressure jack catch was applyed to the part unanimous to make the part pipe wall atress unanimous, and then prevent that the part warp.

The utility model discloses an anchor clamps, include:

a clamp base having a hydraulic channel formed therein, the hydraulic channel having a hydraulic outlet;

the hydraulic clamping device is connected to the clamp base; the hydraulic clamping device comprises

The hydraulic base is provided with a plurality of mounting holes, and the bottom of each mounting hole is provided with a hydraulic through hole penetrating through the bottom of the corresponding mounting hole;

the hydraulic cylinders are provided with push rods and hydraulic interfaces, the hydraulic cylinders are positioned in the mounting holes, and the hydraulic interfaces are connected with the hydraulic outlets through the hydraulic through holes;

the push rod is connected with the hydraulic clamping jaw; and

the part base is connected to the hydraulic base.

Further, the hydraulic outlet is an annular hydraulic outlet and is arranged on the upper surface of the clamp base; the hydraulic channel further comprises a hydraulic inlet, and the hydraulic inlet is formed in the lower surface of the clamp base.

Further, still include the sealing member, hydraulic base lower surface is provided with the recess, the sealing member install in the recess.

The fixture comprises a fixture base, and is characterized by further comprising an adjusting assembly, wherein the adjusting assembly comprises an adjusting base and an adjusting rod, the adjusting base is connected to the machine tool, a threaded hole is formed in the adjusting base, and the adjusting rod penetrates through the threaded hole and abuts against the fixture base.

Further, the adjusting component is multiple.

Further, still include the inflation centering device, the inflation centering device is connected on the lathe, the inflation centering device is located hydraulic clamping device top.

Further, still include the angle locating piece, the angle locating piece is connected on the lathe, the angle locating piece with hydraulic clamping device sets up relatively.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model provides a pair of anchor clamps is provided with hydraulic clamping device, and hydraulic clamping device includes a plurality of pneumatic cylinders, and a plurality of pneumatic cylinders are connected on the same hydraulic pressure export of hydraulic pressure passageway to the push rod synchronous motion of a plurality of pneumatic cylinders, and then the clamping of synchronous control hydraulic pressure clamping jaw to the part is tight and is relaxed, further makes the clamp force that hydraulic pressure jack catch applyed to the part unanimous, thereby makes the part pipe wall atress unanimous, and then prevents that the part from producing because the atress is inhomogeneous and warping.

2. The utility model provides a pair of anchor clamps is provided with adjusting part, in the installation of anchor clamps, through the position of adjusting the anchor clamps base, further adjusts the holistic mounted position of anchor clamps, improves the position precision of anchor clamps, and then guarantees the mounted position precision of part, improves the machining precision of part.

3. The utility model provides a pair of anchor clamps is provided with inflation centring means through the direction that lies in that hydraulic clamping device is relative, plays supplementary centre gripping part's effect, thereby strengthens the stability of part centre gripping, thereby has solved anchor clamps and has produced the problem that the sword shakes in processing far away from the parts machining position, has guaranteed the parts machining precision.

Drawings

FIG. 1 is a schematic diagram of a manual clamp in the prior art;

fig. 2 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 3 is a schematic diagram of an exploded structure of the embodiment of the present invention shown in fig. 2;

FIG. 4a is a schematic view of the fixture base of FIG. 3;

FIG. 4b is a top view of the clamp of FIG. 4 a;

FIG. 4c is a cross-sectional view taken along line A-A of the clamp of FIG. 4 b;

further reference numerals are illustrated:

1. a part; 2. a base; 3. a manually expanded centering structure; 4. a manual pressing plate; 5. a clamp base; 51. a hydraulic channel; 511. a hydraulic inlet; 512. a hydraulic outlet; 513. machining a hole; 52. an adjustment assembly; 521. adjusting the base; 5211. a threaded hole; 522. adjusting a rod; 53. a seal member; 6. a hydraulic clamping device; 61. a hydraulic base; 611. mounting holes; 62. a hydraulic jack catch; 63. a hydraulic cylinder; 631. a push rod; 7. a part base; 8. an expansion centering device; 9. a corner positioning block; 10. provided is a machine tool.

Detailed Description

The technical solution in the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. It is obvious that the described embodiments are only some embodiments, not all embodiments, of the general solution of the present invention. All other embodiments, which can be derived by a person skilled in the art based on the general idea of the invention, fall within the scope of protection of the invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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, are not to be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. When an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Adopt manual anchor clamps to press from both sides tight fixedly among the prior art, but have the inconsistent technical problem that leads to the part to produce the deformation of manual clamp plate locking force, this embodiment provides a anchor clamps, makes the clamp force that the hydraulic pressure jack catch was applyed to the part unanimous to make the part pipe wall atress unanimous, and then prevent that the part warp.

In order to simplify the drawings, in the drawings of the present embodiment, only the parts related to the fixture of the present embodiment are shown for the machine tool 10, the rest parts are not shown, and omitting parts of the machine tool 10 does not affect understanding of the technical solution of the present embodiment.

The present embodiment provides a clamp, with reference to fig. 1 and 2, comprising: a clamp base 5, wherein the clamp base 5 is provided with a hydraulic channel 51, the hydraulic channel 51 is formed inside the clamp base 5, and the hydraulic channel 51 is provided with a hydraulic outlet 512; the hydraulic clamping device 6 is connected to the clamp base 5; the hydraulic clamping device 6 comprises a hydraulic base 61, the hydraulic base 61 is provided with a plurality of mounting holes 611, and the bottoms of the mounting holes 611 are provided with hydraulic through holes (not shown in the drawing) penetrating through; a plurality of hydraulic cylinders 63 having push rods 631 and hydraulic ports (not shown in the drawings), the hydraulic cylinders 63 being located in the mounting holes 611, the plurality of hydraulic ports being connected to one hydraulic outlet 512 through hydraulic through holes; the hydraulic jack catch 62 is connected with the push rod 631; and a component base 7, the component base 7 being connected to the hydraulic base 61.

Based on the above, the present embodiment has at least the following technical effects:

be provided with hydraulic pressure passageway 51 in the anchor clamps base 5, hydraulic pressure passageway 51 has a hydraulic pressure export 512, and a plurality of pneumatic cylinders 63 are connected on a hydraulic pressure export 512 to the hydraulic pressure that a plurality of pneumatic cylinders 63 received is the same, and then the motion track of the push rod 631 of a plurality of pneumatic cylinders 63 is the same, and a plurality of hydraulic jack catch 62 of further control have the same clamp force, and consequently, the part pipe wall atress is unanimous, and then prevents that the part from warping.

With reference to fig. 4a, 4b and 4c, the fixture base 5 and the hydraulic channel 51 are further described, one end of the fixture base 5 is connected to the machine tool 10, the other end of the fixture base 5 is connected to the hydraulic clamping device 6, the hydraulic channel 51 is arranged inside the fixture base 5, a hydraulic outlet 512 of the hydraulic channel 51 is an annular hydraulic outlet, and the hydraulic outlet 512 is arranged on the upper surface of the fixture base 5; the hydraulic passage 51 further includes a hydraulic inlet 511, and the hydraulic inlet 511 is provided on the lower surface of the jig base 5. The hydraulic passage 51 further comprises a machining hole 513, the machining hole 513 is arranged for machining the hydraulic passage 51, and during the use of the clamp, the machining hole 513 is sealed to prevent hydraulic leakage.

Referring to fig. 2, in order to further improve the sealing performance of the clamp against hydraulic pressure, the present embodiment further includes a sealing member 53, a groove (not shown in the drawing) is provided on the lower surface of the hydraulic base 61, and the sealing member 53 is installed in the groove. The sealing member 61 is located outside the hydraulic outlet 512, when the hydraulic base 61 is connected with the clamp base 5, the sealing member 53 is located between the surfaces of the hydraulic base 61 contacting with the clamp base 5, and the sealing member 53 surrounds the outside of the hydraulic passage 51, seals the hydraulic passage 51, prevents leakage of hydraulic pressure, and improves the accuracy of the hydraulic control cylinder 63.

Referring to fig. 1 and fig. 2, the present embodiment further includes an adjusting assembly 52, the adjusting assembly 52 includes an adjusting base 521 and an adjusting rod 522, the adjusting base 521 is connected to the machine tool 10, a threaded hole 5211 is formed in the adjusting base 521, and the adjusting rod 522 passes through the threaded hole 5211 and abuts against the clamp base 5. In the installation process of the clamp, the position of the clamp base 5 can be adjusted by rotating the adjusting rod 522, the overall installation position of the clamp is further adjusted, the position precision of the clamp is improved, the installation position precision of a part is further ensured, and the machining precision of the part is improved. The adjusting assembly 52 is provided in a plurality of sets, and the fixture base 5 is adjusted from a plurality of directions, so that the adjustment of the installation position of the whole fixture is facilitated.

Referring to fig. 1 and 2, the present embodiment further includes an expansion centering device 8, the expansion centering device 8 is connected to a machine tool 10, and the expansion centering device 8 is located above the hydraulic clamping device 6. The expansion centering device 8 and the hydraulic clamping device 6 clamp and position the part from opposite directions respectively, so that the part clamping effect is assisted, the part clamping stability is enhanced, the problem that the machining vibration cutter is generated when the clamp is far away from the part machining position is solved, and the part machining precision is ensured.

Referring to fig. 1 and 2, in order to further improve the clamping stability of the clamp to the part, the present embodiment further includes an angle positioning block 9, the angle positioning block 9 is connected to a machine tool 10, and the angle positioning block 9 is disposed opposite to the hydraulic clamping device 6. The angle positioning block 9 and the hydraulic clamping device 6 apply clamping force to the part from different directions, and the clamping stability of the part is improved.

The operation process of the present embodiment is further described in detail:

when the clamp of the embodiment is used, the clamp is firstly installed on the machine tool 10 through the clamp base 5, the position of the clamp base 5 is adjusted by adjusting the adjusting rod 522, and when the position is adjusted to a required position, the clamp base 5 is fixedly connected to the machine tool 10; a hydraulic inlet 511 of the hydraulic passage 51 is connected with a hydraulic outlet of the hydraulic station, and hydraulic pressure is simultaneously supplied to the plurality of hydraulic cylinders 63 through the hydraulic passage 51, so that the hydraulic jaws 62 are controlled to fix the part on the part base 7; when the part is fixed on the part base 7, the part is corresponding to the position of the angle positioning block 9; further, an expansion centering device 8 connected to the machine tool 10 is contacted with the other end of the part to perform auxiliary clamping and positioning on the part, and the clamping and positioning on the part are completed. Then, the part is processed. After the machining is finished, the machine tool 10 controls the expansion centering device 8 to be far away from the part, the hydraulic station further controls the hydraulic cylinders 63 to drive the hydraulic clamping jaws 62 to be far away from the part base 7 by controlling hydraulic pressure, and the clamping and fixing of the part are released.

Claims (7)

1. A clamp, comprising:

a clamp base having a hydraulic channel formed therein, the hydraulic channel having a hydraulic outlet;

hydraulic pressure clamping device, hydraulic pressure clamping device connect in on the anchor clamps base, hydraulic pressure clamping device includes:

the hydraulic base is provided with a plurality of mounting holes, and the bottom of each mounting hole is provided with a hydraulic through hole penetrating through the bottom of the corresponding mounting hole;

the hydraulic cylinders are provided with push rods and hydraulic interfaces, the hydraulic cylinders are positioned in the mounting holes, and the hydraulic interfaces are connected with the hydraulic outlets through the hydraulic through holes;

the push rod is connected with the hydraulic clamping jaw; and

the part base is connected to the hydraulic base.

2. The clamp of claim 1, wherein: the hydraulic outlet is an annular outlet and is arranged on the upper surface of the clamp base; the hydraulic channel further comprises a hydraulic inlet, and the hydraulic inlet is formed in the lower surface of the clamp base.

3. The clamp of claim 2, wherein: still include the sealing member, hydraulic base lower surface is provided with the recess, the sealing member install in the recess.

4. The clamp of claim 2, wherein: the fixture comprises a fixture base and is characterized by further comprising an adjusting assembly, wherein the adjusting assembly comprises an adjusting base and an adjusting rod, the adjusting base is connected to the machine tool, a threaded hole is formed in the adjusting base, and the adjusting rod penetrates through the threaded hole and abuts against the fixture base.

5. The clamp of claim 4, wherein: the adjusting component is in plurality.

6. The clamp of claim 2, wherein: the hydraulic clamping device is characterized by further comprising an expansion centering device, wherein the expansion centering device is connected to a machine tool and is positioned above the hydraulic clamping device.

7. The clamp of claim 2, wherein: the hydraulic clamping device is characterized by further comprising an angle positioning block, the angle positioning block is connected to the machine tool, and the angle positioning block and the hydraulic clamping device are arranged oppositely.