CN217860822U - Clamp apparatus - Google Patents

Abstract

The utility model discloses an anchor clamps that solve processing equipment existence are after cliping the work piece, the problem of the not equidirectional face of inconvenient processing work piece, an anchor clamps is provided, this anchor clamps includes the base, rotating assembly, processing platform and first centre gripping subassembly, rotating assembly includes first revolving stage, second revolving stage and rotary driving piece, first revolving stage and second revolving stage all set up on the base, the one end and the first revolving stage of processing platform rotate to be connected, the other end and the second revolving stage of processing platform rotate to be connected, rotary driving piece and processing platform transmission are connected, the processing platform is provided with fourth location structure, first centre gripping subassembly sets up on the processing platform. The utility model discloses an anchor clamps can be after cliping the work piece, and the work piece is together rotatory to can process the different faces of work piece, reduce clamping number of times and location, reduce process time, improve machining efficiency.

Description

Clamp apparatus

Technical Field

The utility model relates to a processing equipment, in particular to anchor clamps.

Background

The existing clamp can not move any more after clamping a workpiece, sometimes the surfaces of the workpiece in different directions need to be machined, at the moment, the clamp needs to be loosened, the posture of the workpiece is adjusted, then the clamp is reused for clamping, time and labor are wasted, sometimes even a plurality of clamps need to be additionally manufactured to correspondingly machine different surfaces of the workpiece, and the production and machining cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an anchor clamps can be after cliping the work piece, together rotatory with the work piece to can process the different faces of work piece, reduce clamping number of times and location, reduce process time, improve machining efficiency.

According to the utility model discloses an anchor clamps, including base, rotating assembly, processing platform and first centre gripping subassembly, rotating assembly includes first revolving stage, second revolving stage and rotary driving piece, first revolving stage with the second revolving stage all sets up on the base, the one end of processing platform with first revolving stage rotates to be connected, the other end of processing platform with the second revolving stage rotates to be connected, rotary driving piece with processing platform transmission is connected, rotary driving piece is used for the drive the processing platform is rotatory, the processing platform is provided with the fourth location structure, the fourth location structure is used for the location the work piece, first centre gripping subassembly sets up processing bench, first centre gripping subassembly be used for with the work piece centre gripping is fixed processing bench is last.

According to the utility model discloses anchor clamps have following beneficial effect at least: after the workpiece is clamped by the first clamping assembly, the rotating assembly can control the workpiece to rotate together with the processing table, so that different surfaces of the workpiece are processed, multi-plane processing is realized, the clamping times and positioning are reduced, the product processing precision is improved, tolerance accumulated errors caused by multiple times of clamping and positioning are reduced, the labor cost caused by collision damage is reduced, the processing beat is saved, and the production efficiency is improved.

According to some embodiments of the utility model, first centre gripping subassembly includes first cylinder body shell, first piston rod, first folder and first connecting piece, first cylinder body shell sets up on the base, the one end of first piston rod is inserted and is established in the first cylinder body shell, first piston rod with first cylinder body shell sliding connection, the other end of first piston rod with the one end of first folder is articulated, the other end of first folder is used for the butt the work piece, makes the work piece is pressed processing bench, the one end of first connecting piece with the middle part of first folder is articulated, the other end of first connecting piece with the base perhaps first cylinder body shell is articulated.

According to the utility model discloses a some embodiments, the processing platform still is provided with first location structure, first location structure's upper end is provided with hemispherical positioning structure, the other end of first folder be used for with the work piece is pressed hemispherical positioning structure is last.

According to the utility model discloses a some embodiments still include gas tightness determine module, the processing platform still is provided with second location structure, the top of second location structure is provided with the inspection hole, the other end of first folder be used for with the work piece is pressed the top of second location structure, gas tightness determine module with the inspection hole intercommunication, gas tightness determine module be used for to the inspection hole air feed detects the atmospheric pressure size.

According to some embodiments of the utility model, still include second centre gripping subassembly, second centre gripping subassembly sets up processing bench, second centre gripping subassembly be used for with the work piece centre gripping is fixed processing bench.

According to some embodiments of the utility model, the second centre gripping subassembly includes second cylinder shell and second piston rod, second cylinder shell sets up on the base, the one end of second piston rod is inserted and is established in the second cylinder shell, the second piston rod with second cylinder shell sliding connection, the other end of second piston rod is used for the butt the work piece.

According to some embodiments of the utility model, still include hydraulic drive system, hydraulic drive system intercommunication first cylinder body shell and second cylinder body shell, hydraulic drive system is used for the simultaneous drive first piston rod is in stretch out and draw back in the first cylinder body shell second piston rod is in stretch out and draw back in the second cylinder body shell.

According to the utility model discloses a some embodiments still include the third centre gripping subassembly, the third centre gripping subassembly sets up processing bench, the third centre gripping subassembly be used for with the work piece centre gripping is fixed processing bench.

According to some embodiments of the utility model, the third centre gripping subassembly includes third cylinder body shell, third piston rod and third folder, the one end of third folder is provided with the spread groove, the setting of third cylinder body shell is in on the base, the one end of third piston rod is inserted and is established in the third cylinder body shell, the third piston rod with third cylinder body shell sliding connection, the other end of third piston rod passes through the spread groove with third folder swing joint, the other end of third folder is used for the butt the work piece, the middle part of third folder with the base perhaps the third cylinder body shell is articulated.

According to the utility model discloses a some embodiments, the processing platform still is provided with fifth location structure, fifth location structure's lateral wall is provided with the location concave part, the location concave part be used for right the convex part location of work piece.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the overall assembly of a first embodiment of the clamp of the present invention;

FIG. 2 is a schematic view of the overall assembly of the fixture of FIG. 1 with one less workpiece;

FIG. 3 is an enlarged view of a portion of the fixture A shown in FIG. 2;

FIG. 4 is a top view of the fixture shown in FIG. 2;

FIG. 5 is a front view of the fixture of FIG. 2;

FIG. 6 is a schematic view of the overall assembly of a second embodiment of the clamp of the present invention;

FIG. 7 is a schematic view of the overall assembly of the fixture of FIG. 6 with one less workpiece;

fig. 8 is a top view of the fixture of fig. 7.

Reference numerals:

a base 100;

a rotation assembly 200, a first rotation stage 210, a second rotation stage 220, a rotation driver 230;

a processing table 300, a fourth positioning structure 310, a first positioning structure 320, a hemispherical positioning structure 321, a second positioning structure 330, a detection hole 331, a fifth positioning structure 340, and a positioning concave portion 341;

a first clamping assembly 400, a first cylinder housing 410, a first piston rod 420, a first clamp 430, a first connector 440;

a hermeticity detecting assembly 500;

a second clamp assembly 600, a second cylinder housing 610, a second piston rod 620;

a hydraulic drive system 700;

a third clamping assembly 800, a third cylinder housing 810, a third piston rod 820, a third clamping piece 830, and a connecting groove 831;

a workpiece 900.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the positional or orientational descriptions, such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "tip", "inner", "outer", "axial", "radial", "circumferential", etc., are the positional or orientational relationships 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 so 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. In the description of the present invention, the side wall means the left side wall and/or the right side wall.

In the description of the present invention, "a plurality" means two or more, "more than", "less than", "more than" and the like are understood as excluding the number, "more than", "below", "within" and the like are understood as including the number. If there is any description of "first" and "second" for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, it should be understood that "a is disposed on B" and "a is disposed on B" represent the connection relationship or the positional relationship between a and B, and do not mean that a is necessarily above B.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, a movable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "bolted" and "screwed" are equally interchangeable. The specific meaning of the above terms in the present invention can be understood in conjunction with the specific situation for a person of ordinary skill in the art.

It should be understood that the similar features of the present invention are only distinguished by different prefixes, and therefore, in the present invention, the feature names without prefixes (or the feature names with partial prefixes) are used to indicate the combination of the similar features, such as the first piston rod 420, the second piston rod 620, and the third piston rod 820.

Referring to fig. 1, 5 and 6, the clamping apparatus according to the embodiment of the present invention includes a base 100, a rotating assembly 200, a processing table 300 and a first clamping assembly 400, wherein the rotating assembly 200 includes a first rotating table 210, a second rotating table 220 and a rotating driving member 230, the first rotating table 210 and the second rotating table 220 are both disposed on the base 100, one end of the processing table 300 is rotatably connected to the first rotating table 210, the other end of the processing table 300 is rotatably connected to the second rotating table 220, the rotating driving member 230 is in transmission connection with the processing table 300, the rotating driving member 230 is used for driving the processing table 300 to rotate, the processing table 300 is provided with a fourth positioning structure 310, the fourth positioning structure 310 is used for positioning a workpiece 900, the first clamping assembly 400 is disposed on the processing table 300, and the first clamping assembly 400 is used for clamping and fixing the workpiece 900 on the processing table 300.

The base 100 is a basic carrier for mounting and fixing the parts of the fixture, is a conceptual object, and may be any object, such as an object formed by combining one or more of metal tables, stone tables, wood tables, supports, supporting plates, supporting frames, bearing seats, mounting plates, reinforcing ribs, hooks, the ground, ceilings, and the like, and plays a role in fixing and supporting. The rotary driving member 230 may be mounted on the turntable or the base 100. The fourth positioning structure 310 may be a concave structure, a convex structure, or a combination of both. It should be understood that a plurality of stations may be provided on the processing station 300, and each workpiece 900 may be positioned and secured to one workpiece 900, so that the processing station 300 may process a plurality of workpieces 900 at the same time. It is to be understood that the rotary drive 230 may be a motor; in this embodiment, the rotary driving member 230 is a hydraulic driving rotary member, and is connected to a hydraulic driving system 700, which will be described later, so as to be driven by the same power.

After the first clamping assembly 400 clamps the workpiece 900, the rotating assembly 200 can control the workpiece 900 to rotate together with the processing table 300, so that different surfaces (a top surface, a front side surface and a rear side surface) of the workpiece 900 are processed, or after the workpiece 900 is rotated, the original front side surface is rotated to the top surface, the original front side surface and the original rear side surface are conveniently processed, multi-plane processing is realized, the clamping times and positioning are reduced, the processing precision of a product is improved, tolerance accumulated errors caused by multiple times of clamping and positioning are reduced, the labor cost caused by bruise is reduced, the processing time is saved, and the production efficiency is improved.

Referring to fig. 2 and 3, in some embodiments of the present invention, the first clamping assembly 400 includes a first cylinder housing 410, a first piston rod 420, a first clamping member 430 and a first connecting member 440, the first cylinder housing 410 is disposed on the base 100, one end of the first piston rod 420 is inserted into the first cylinder housing 410, the first piston rod 420 and the first cylinder housing 410 are slidably connected (the first piston rod 420 can extend and retract up and down), the other end of the first piston rod 420 is hinged to one end of the first clamping member 430, the other end of the first clamping member 430 is used for abutting against the workpiece 900, so that the workpiece 900 is pressed on the processing table 300 (i.e., the workpiece 900 is pressed on the processing table 300, so that the workpiece 900 is clamped and fixed), one end of the first connecting member 440 is hinged to a middle portion of the first clamping member 430, and the other end of the first connecting member 440 is hinged to the base 100 or the first cylinder housing 410.

The specific structure and connection of the cylinder housing and the piston rod can refer to the structure of a common air cylinder and a common hydraulic cylinder, and the piston rod can extend and contract in the cylinder housing under the action of external power (such as air pressure, hydraulic pressure, electric power, and the like) so as to be close to or far away from the workpiece 900, thereby clamping or releasing the workpiece 900. In this embodiment, the first piston rod 420 extends upward, such that one end of the first clamping member 430 tilts upward, and the middle portion of the first clamping member 430 can be regarded as a fulcrum, so that the other end of the first clamping member 430 presses downward, thereby pressing the clamped workpiece 900; since the first clip 430 is tilted up due to the vertical upward movement rather than the circumferential movement along the pivot, the position of the pivot will change during actual use, and the two ends of the first connecting member 440 connected to the pivot are hinged to each other. Through the arrangement, the workpiece 900 can be simply and conveniently clamped and fixed.

Referring to fig. 3 and 5, in some embodiments of the present invention, the processing table 300 is further provided with a first positioning structure 320, the upper end of the first positioning structure 320 is provided with a hemispherical positioning structure 321, and the other end of the first clamping member 430 is used for pressing the workpiece 900 on the hemispherical positioning structure 321.

The hemispherical positioning structure 321 is arranged, so that the workpiece 900 is in point contact with the fixture, and the positioning effect is better.

It should be understood that the first clamping assembly 400, the second clamping assembly 600, the third clamping assembly 800, etc. may be provided in plural numbers, and correspondingly, the first positioning structure 320 may also be correspondingly provided in plural numbers.

Referring to fig. 2, 3 and 4, in some embodiments of the present invention, the air tightness detecting assembly 500 is further included, the processing station 300 is further provided with the second positioning structure 330, the top end of the second positioning structure 330 is provided with the detecting hole 331, the other end of the first clamping member 430 is used for pressing the workpiece 900 on the top end of the second positioning structure 330, the air tightness detecting assembly 500 is communicated with the detecting hole 331, and the air tightness detecting assembly 500 is used for supplying air to the detecting hole 331 and detecting the air pressure.

The air tightness detecting assembly 500 generally includes an air inflation source for supplying air to the detecting hole 331 and an air pressure detecting sensor (and a joint, a pipe, etc. for connecting components) for detecting the air pressure inside the detecting hole 331; if the workpiece 900 is not installed (or the workpiece 900 is not clamped by the fixture), the top end of the detection hole 331 is not completely pressed and blocked by the workpiece 900, and when the air inflation source supplies air to the detection hole 331, air leaks from the detection hole, so that the air pressure detected by the air pressure detection sensor is smaller than a standard value. So be provided with gas tightness determine module 500, can detect whether work piece 900 adorns partially, adorn conversely, work piece 900 hits the machine when preventing that processing platform 300 is rotatory, guarantee that the product is adorned and presss from both sides stably, personnel's safety, stop quality and industrial accident, realize lasting batch production.

It should be understood that an alarm may be further provided, and the alarm is electrically connected to the sensor of the air-tightness detecting assembly 500, and the alarm gives an alarm when the air-tightness detecting assembly 500 detects that the air pressure is smaller than the standard value.

Referring to fig. 2 and 3, in some embodiments of the present invention, the present invention further comprises a second clamping assembly 600, the second clamping assembly 600 is disposed on the processing table 300, and the second clamping assembly 600 is used for clamping and fixing the workpiece 900 on the processing table 300.

Various clamping assemblies are provided so that the workpiece 900 can be better secured to the processing station 300.

Referring to fig. 3 and 5, in some embodiments of the present invention, the second clamping assembly 600 includes a second cylinder housing 610 and a second piston rod 620, the second cylinder housing 610 is disposed on the base 100, one end of the second piston rod 620 is inserted into the second cylinder housing 610, the second piston rod 620 is slidably connected to the second cylinder housing 610, and the other end of the second piston rod 620 is used for abutting against the workpiece 900 (i.e., clamping and fixing the workpiece 900).

The configuration of the cylinder housing and the piston rod can be referred to above with respect to the first cylinder housing 410 and the first piston rod 420. In this embodiment, the second piston rod 620 may be extended and contracted obliquely upward and downward so as to be close to or far from a sidewall of the workpiece 900; when the second piston rod 620 approaches and abuts against the side wall of the workpiece 900, the workpiece 900 can be clamped and fixed by matching with other clamping components and positioning structures.

Referring to fig. 1, 3 and 8, in some embodiments of the present invention, a hydraulic drive system 700 is further included, the hydraulic drive system 700 is communicated with the first cylinder housing 410 and the second cylinder housing 610, and the hydraulic drive system 700 is used for simultaneously driving the first piston rod 420 to extend and retract in the first cylinder housing 410 and the second piston rod 620 to extend and retract in the second cylinder housing 610.

The hydraulic drive system 700 generally includes a hydraulic source (which may be a hydraulic station, a hydraulic tank, a hydraulic pump, etc.), a communication pipeline (and a connector), and a control valve, wherein the hydraulic source provides hydraulic pressure, the communication pipeline is used for communicating and delivering liquid (pressure), and the control valve may have various functions, such as controlling the on/off of the pipeline, the magnitude of the hydraulic pressure provided to the clamp, and the like. The first piston rod 420 and the second piston rod 620 are driven by the hydraulic driving system 700 to be close to or far away from the workpiece 900 at the same time, so that automatic control over clamping or releasing of the workpiece 900 is achieved, the automation degree is high, and the use is convenient.

It should be understood that the hydraulic drive system 700 may also communicate with the third cylinder housing 810 to drive the third piston rod 820 to extend and retract within the third cylinder housing 810. It is to be understood that the fixture may further include a processor that controls the hydraulic drive system 700 to drive the fixture to clamp and unclamp the workpiece 900.

Referring to fig. 6, 7 and 8, in some embodiments of the present invention, the present invention further comprises a third clamping assembly 800, the third clamping assembly 800 is disposed on the processing table 300, and the third clamping assembly 800 is used for clamping and fixing the workpiece 900 on the processing table 300.

A plurality of clamping assemblies are provided, which are suitable for different kinds, different shapes, and different sizes of workpieces 900, and are also suitable for different processing conditions, and can enable the workpieces 900 to be better fixed on the processing table 300.

Referring to fig. 6 and 7, in some embodiments of the present invention, the third clamping assembly 800 includes a third cylinder housing 810, a third piston rod 820 and a third clamping member 830, a connecting groove 831 is disposed at one end of the third clamping member 830, the third cylinder housing 810 is disposed on the base 100, one end of the third piston rod 820 is inserted into the third cylinder housing 810, the third piston rod 820 and the third cylinder housing 810 are slidably connected (the third piston rod 820 can extend and retract up and down), the other end of the third piston rod 820 is movably connected with the third clamping member 830 through the connecting groove 831, the other end of the third clamping member 830 is used for abutting against the workpiece 900 (i.e. clamping and fixing the workpiece 900), and the middle portion of the third clamping member 830 is hinged to the base 100 or the third cylinder housing 810.

In this embodiment, the third plunger 820 extends upwards, and since the other end of the third plunger 820 is movably connected to the third clip member 830 through the connecting slot 831, one end of the third clip member 830 is tilted, and the middle portion of the third clip member 830 can be regarded as a fulcrum, so that the other end of the third clip member 830 is pressed downwards in the left-down direction (the third clip member 830 is substantially L-shaped), thereby pressing and clamping the workpiece 900. By the arrangement, the workpiece 900 can be simply and conveniently clamped and fixed.

Referring to fig. 1, 4 and 8, in some embodiments of the present invention, the processing table 300 is further provided with a fifth positioning structure 340, a side wall of the fifth positioning structure 340 is provided with a positioning concave portion 341, and the positioning concave portion 341 is used for positioning a convex portion of the workpiece 900.

The fifth positioning structure 340 may be provided in plurality. The convex portion of the workpiece 900 is generally a flange of the workpiece 900, and the flange is provided with through holes or bolt holes for bolting other workpieces 900; the positioning recess 341 is adapted to receive and position a recess of the workpiece 900. The fifth positioning structure 340 is arranged, so that the workpiece 900 can be conveniently limited and positioned, and meanwhile, the fifth positioning structure has a certain fixing function and is matched with the clamping assembly to clamp and fix the workpiece 900.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A clamp for clamping a workpiece, comprising:

a base;

the rotating assembly comprises a first rotating table, a second rotating table and a rotating driving piece, and the first rotating table and the second rotating table are arranged on the base;

the processing table is provided with a fourth positioning structure, and the fourth positioning structure is used for positioning the workpiece;

the first clamping assembly is arranged on the processing table and used for clamping and fixing the workpiece on the processing table.

2. The clamp of claim 1, wherein the first clamping assembly comprises a first cylinder housing, a first piston rod, a first clamping member and a first connecting member, the first cylinder housing is disposed on the base, one end of the first piston rod is inserted into the first cylinder housing, the first piston rod is slidably connected with the first cylinder housing, the other end of the first piston rod is hinged with one end of the first clamping member, the other end of the first clamping member is used for abutting against the workpiece, so that the workpiece is pressed on the processing table, one end of the first connecting member is hinged with the middle of the first clamping member, and the other end of the first connecting member is hinged with the base or the first cylinder housing.

3. The fixture of claim 2, wherein the processing station is further provided with a first locating structure, an upper end of the first locating structure is provided with a hemispherical locating structure, and the other end of the first clamping member is used for pressing the workpiece on the hemispherical locating structure.

4. The clamp according to claim 3, further comprising an air tightness detection assembly, wherein the processing table is further provided with a second positioning structure, a detection hole is formed in the top end of the second positioning structure, the other end of the first clamping piece is used for pressing the workpiece on the top end of the second positioning structure, the air tightness detection assembly is communicated with the detection hole, and the air tightness detection assembly is used for supplying air to the detection hole and detecting the air pressure.

5. The fixture of claim 2, further comprising a second clamping assembly disposed on the table for clamping the workpiece to the table.

6. The clamp of claim 5, wherein the second clamping assembly includes a second cylinder housing disposed on the base and a second piston rod having one end inserted within the second cylinder housing, the second piston rod being slidably connected to the second cylinder housing, the other end of the second piston rod being configured to abut the workpiece.

7. The clamp of claim 6, further comprising a hydraulic drive system in communication with the first cylinder housing and the second cylinder housing, the hydraulic drive system for simultaneously driving the first piston rod to telescope within the first cylinder housing and the second piston rod to telescope within the second cylinder housing.

8. The fixture of claim 1, further comprising a third clamping assembly disposed on the table for clamping the workpiece to the table.

9. The clamp of claim 8, wherein the third clamping assembly comprises a third cylinder housing, a third piston rod, and a third clamping member, one end of the third clamping member is provided with a connecting groove, the third cylinder housing is disposed on the base, one end of the third piston rod is inserted into the third cylinder housing, the third piston rod is slidably connected with the third cylinder housing, the other end of the third piston rod is movably connected with the third clamping member through the connecting groove, the other end of the third clamping member is used for abutting against the workpiece, and the middle portion of the third clamping member is hinged to the base or the third cylinder housing.

10. The jig of claim 1, wherein the machining table is further provided with a fifth positioning structure, a side wall of which is provided with a positioning concave portion for positioning a convex portion of the workpiece.

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