CN114102190A - Air supply structure of clamp - Google Patents

Abstract

The invention discloses an air supply structure of a clamp, which comprises a bottom plate for loading the clamp and a horizontally placed mother plate, wherein the bottom plate is arranged above the mother plate and is fixed on the mother plate through a quick connection structure, at least one first air supply channel is arranged on the mother plate, a second air supply channel is arranged on the bottom plate, the first air supply channel is connected with the corresponding second air supply channel through a joint assembly, each second air supply channel is connected with the corresponding pneumatic element on the clamp in an air supply mode, and the first air supply channel is connected with an air source. When the bottom plate is fixed on the mother plate through the quick connection structure, the first air supply channel and the second air supply channel form air guide connection through the connector assembly, so that air path arrangement of a pneumatic element is completed quickly, workpiece clamping is carried out immediately, the problems that time consumption and production rhythm are affected due to the fact that manual site connection and pipe disassembly are carried out to arrange the air path are solved, and confusion of control logic caused by improper air path arrangement is avoided.

Description

Air supply structure of clamp

Technical Field

The invention relates to the technical field of part processing, in particular to an air supply structure of a clamp.

Background

The numerical control machine tool is a flexible and high-efficiency automatic machine tool and can solve the problem of machining of complex, precise, small-batch and various parts. Because the shapes of some workpieces are irregular, each workpiece needs to be fixed by manufacturing a special clamp, and the numerical control machine can process the workpieces after the workpieces are fixed. The special fixture is generally provided with more pneumatic elements, and the pneumatic elements need an air source and a control system to be matched for realizing actions. Before a workpiece is machined, a special clamp is fixed on a numerical control machine tool in advance, then the pneumatic element is manually arranged in a gas path, and finally the workpiece is clamped; the gas circuit arrangement not only needs to consume more time for debugging, but also needs to be dismantled by a special clamp; the rapid processing of various parts and the modular design of the special fixture are not facilitated.

It is seen that improvements and enhancements to the prior art are needed.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide an air supply structure of a clamp, which aims to synchronously complete air path arrangement after a special clamp module is assembled on a numerical control machine tool and solve the problem of manually arranging air paths of pneumatic elements.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an air feed structure of anchor clamps, includes the mother board that is used for loading bottom plate, the level of anchor clamps and places, the bottom plate sets up in the top of mother board and fixes on the mother board through connecing the structure soon, at least, be equipped with a first air feed channel on the mother board, the second air feed channel has been seted up on the bottom plate, and first air feed channel is connected with corresponding second air feed channel through joint Assembly, every pneumatic element air feed that corresponds on second air feed channel and the anchor clamps is connected, first air feed channel is connected with the air supply.

As a further improvement of the technical scheme, the connector assembly comprises a plurality of parr connectors, and each parr connector comprises a socket arranged on the upper surface of the motherboard and a plug correspondingly arranged on the bottom surface of the bottom plate.

As a further improvement of the technical scheme, the quick connection structure comprises an air expansion head arranged at the corner of the motherboard and a locking disc which is arranged at the bottom of the bottom plate and corresponds to the air expansion head one by one.

As a further improvement of the above technical solution, the air expansion head comprises a seat body and a plunger body fixed on the motherboard; the base body comprises a first flange part and a circular table which protrudes upwards and is arranged on the first flange part, and the circular table is of a hollow structure and is used for the plunger body to insert; the plunger piston is characterized in that a plurality of movable balls arranged in a circumferential array mode are arranged on the circumferential wall of the plunger piston body, the circumferential wall of the circular truncated cone is provided with avoidance holes for the movable balls to pass through, and the plunger piston body can enable the movable balls to extend out of the avoidance holes under the driving of air pressure.

As a further improvement of the above technical solution, the lock disc includes a disc portion having a hollow structure and a second flange portion disposed on a circumferential wall of the disc portion, and a plurality of limiting grooves arranged in a circumferential array are formed at an inner edge of a top surface of the disc portion; the limiting groove is used for being matched with the movable ball to limit the lock disc to be separated from the air expansion head.

As a further improvement of the technical scheme, a first weight reduction cavity is formed in the middle of the motherboard and is blocked by a first cover plate.

As a further improvement of the technical scheme, a second weight reduction cavity is formed in the middle of the bottom plate, and the second weight reduction cavity is sealed by a second cover plate.

As a further improvement of the technical scheme, one joint assembly is arranged between two adjacent air expansion heads, and the parr joints in the joint assembly are arranged at intervals along a straight line.

Has the advantages that:

according to the air supply structure of the clamp, the mode that the mother board and the bottom board are connected for air guide is adopted, the first air supply channel is arranged on the mother board, the second air supply channel is arranged on the bottom board, the pneumatic element is in air guide connection with the second air supply channel in advance, when the bottom board is fixed on the mother board through the quick connection structure, the first air supply channel and the second air supply channel form air guide connection through the connector assembly, so that air path arrangement of the pneumatic element is completed quickly, workpiece clamping is carried out immediately, the problems of time consumption and influence on production rhythm caused by manual on-site pipe connection and pipe removal for air path arrangement are solved, and confusion of control logic caused by improper air path arrangement is avoided. The control logic of the pneumatic element on each special fixture module is debugged and recorded in the numerical control machine tool in advance, in other words, after the special fixture module is butted with the mother board, the gas circuit arrangement is completed synchronously, the control program is called out for use, the special replacement of the fixture is completed efficiently, and the rapid machining of various and small-batch parts is facilitated.

Drawings

Fig. 1 is a first perspective view of the gas supply structure provided by the present invention.

Fig. 2 is a second perspective view of the gas supply structure provided by the present invention.

Fig. 3 is a schematic structural diagram of a base plate provided by the present invention.

Fig. 4 is a schematic structural diagram of a motherboard provided in the present invention.

Fig. 5 is a schematic connection diagram of the quick-connect structure.

Fig. 6 is a schematic diagram of an internal structure of the motherboard provided by the invention.

Description of the main element symbols: 1-bottom plate, 11-second weight-reducing cavity, 12-second cover plate, 2-mother plate, 21-first weight-reducing cavity, 22-first cover plate, 3-quick-connecting structure, 31-gas expansion head, 311-seat body, 3111-first flange part, 3112-round table, 312-plunger body, 313-movable ball, 314-avoiding hole, 32-lock disc, 321-round disc part, 322-second flange part, 323-limiting groove, 4-first gas supply channel, 5-joint component, 51-pall joint, 511-socket and 512-plug.

Detailed Description

The present invention provides an air supply structure for a fixture, which is described in further detail below with reference to the accompanying drawings and examples, in order to make the objects, technical solutions and effects of the present invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.

Referring to fig. 1 to 6, the present invention provides an air supply structure for a fixture, including a bottom plate 1 for loading a fixture 6, and a horizontally disposed mother plate 2, wherein the bottom plate 1 is disposed above the mother plate 2 and fixed on the mother plate 2 through a quick connection structure 3, the mother plate 2 is provided with at least one first air supply channel 4, the bottom plate 1 is provided with second air supply channels, the first air supply channel 4 is connected with the corresponding second air supply channel through a connector assembly 5, each second air supply channel is connected with a corresponding pneumatic element 61 on the fixture 6 for air supply, and the first air supply channel 4 is connected with an air source.

In practical application, the clamp 6 is fixed on the bottom plate 1, the bottom plate 1 and the clamp form an independent special clamp module, different workpieces are correspondingly designed into a special clamp module, the mother plate 2 is universal, that is, each special fixture module can be installed on the mother board 2 in a matching manner, the bottom board 1 can reasonably set the number of the second air supply channels according to the number of the pneumatic elements arranged on the fixture 6, the number of the second air supply channels is less than or equal to the number of the first air supply channels 4, the second air supply channels are arranged at the positions which are opposite to the corresponding first air supply channels 4 in a vertical direction, the pneumatic elements 61 on the fixture 6 are connected with the corresponding second air supply channels in an air guide manner in advance, the air receiving ends of the pneumatic elements can be directly connected with the second air supply channels, and the air receiving ends of the pneumatic elements can be connected with the second air supply channels through air pipes. The mother board 2 is arranged on a numerical control machine tool, and the first gas supply channel 4 is connected with a gas source and controls the on-off of a gas path through a control valve.

When a workpiece is to be processed, the special fixture module is firstly carried to the upper part of the mother board 2, then the special fixture module slowly descends, the quick connection structure 3 is utilized to fix the bottom board 1 on the mother board 2, it can be understood that the lock disc 32 on the bottom board 1 is sleeved on the air expansion head 31 on the mother board 2, the air expansion head 31 quickly locks the lock disc 32, meanwhile, the first air supply channel 4 and the second air supply channel form air guide connection through the connector component 5, so that air path arrangement of pneumatic elements is quickly completed, workpiece clamping is immediately carried out, the problems that time consumption and production rhythm are affected due to the fact that manual site pipe connection and pipe disassembly are carried out for air path arrangement are solved, and confusion of control logic due to improper air path arrangement is also avoided. It should be noted that the control logic of the pneumatic element on each special fixture module is debugged and recorded in the numerical control machine tool in advance, in other words, after the special fixture module is completely butted with the motherboard 2, the gas circuit arrangement is completed synchronously, and the control program is called out for use, so that the special replacement of the fixture is completed efficiently, and the rapid machining of various and small-batch parts is facilitated.

Specifically, the connector assembly 5 includes a plurality of parr connectors 51, and each parr connector 51 includes a socket 511 disposed on the upper surface of the motherboard 2 and a plug 512 disposed on the bottom surface of the bottom board 1. In other words, socket 511 sets up, and plug 512 sets up down, and plug 512 keeps pushing down on corresponding socket 511 under the drive of bottom plate 1, can accomplish the butt joint of plug 512 and socket 511, need not auxiliary connection spare auxiliary connection, and the gas in the first gas supply channel 4 is in proper order through socket 511 and plug 512 transmission to the second gas supply channel, can not take place gas leakage, is convenient for special fixture module's quick dismantlement change.

In this embodiment, the quick connection structure 3 includes an air expansion head 31 disposed at a corner of the motherboard 2, and a lock plate 32 disposed at the bottom of the bottom plate 1 and corresponding to the air expansion head 31 one by one. It can be understood that, 4 air expansion heads 31 are arranged on the motherboard 2, after the locking disc 32 is sleeved in the air expansion heads 31, the air expansion heads 31 stably support the bottom plate 1 and the clamps on the bottom plate 1, and the head of the air expansion heads 31 expands under the action of air supply to fix the locking disc 32, so that the special clamp module is ensured not to be separated from the motherboard 2 in the processing process, and the vibration of the special clamp module in the processing process is reduced.

Specifically, the gas expansion head 31 includes a seat body 311 and a plunger body 312 fixed on the motherboard 2; the seat body 311 includes a first flange portion 3111 and a circular table 3112 protruding upward from the first flange portion 3111, and the circular table 3112 is hollow and is for the plunger body 312 to insert; the peripheral wall of the plunger body 312 is provided with a plurality of movable balls 313 arranged along a circumferential array, the movable balls 313 are connected with the inner cavity of the plunger body 312 and can move towards the direction far away from or close to the axis of the plunger body 312, and the peripheral wall of the circular table 3112 is provided with an avoiding hole 314 for the movable balls 313 to pass through. In operation, the plunger body 312 is connected with an air source, air pressure is injected into the plunger body 312, and all the movable balls 313 extend out of the avoidance hole 314 in the direction away from the axis of the plunger body 312 under the driving of the air pressure, so that the movable balls 313 limit the upward movement of the lock disc 32.

Further, the locking disc 32 includes a disc portion 321 with a hollow structure and a second flange portion 322 disposed on the peripheral wall of the disc portion 321, and a plurality of limiting grooves 323 arranged in a circumferential array are disposed at the inner edge of the top surface of the disc portion 321; the limiting groove 323 is used for being matched with the movable ball 313 to limit the lock disc 32 to be separated from the gas expansion head 31.

Preferably, a first weight-reducing cavity 21 is formed in the middle of the motherboard 2, and the first weight-reducing cavity 21 is sealed by a first cover plate 22. By such an arrangement, on the one hand, the weight of the motherboard 2 can be reduced, and on the other hand, the air pipe joint 70 communicated with the first air supply channel 4 can be arranged on the inner wall of the first lightening cavity 21, and the air pipe joint 7 can be connected with an air source through an air guide pipe.

Preferably, a second weight-reducing cavity 11 is formed in the middle of the bottom plate 1, and the second weight-reducing cavity 11 is blocked by a second cover plate 12. By this arrangement, the weight of the base plate 1 can be reduced, and the manufacturing cost can be reduced.

Preferably, referring to fig. 1 and 2, one of the joint assemblies 5 is disposed between two adjacent inflatable heads 31, wherein the parr joints 51 in the joint assembly 5 are arranged at intervals along a straight line, and the adjacent parr joints 51 are spaced apart from each other. The first air supply channel 4 includes a first elongated air duct 71 and a second elongated air duct 72 communicating with the inner wall of the motherboard 2, as shown in fig. 6, the first elongated air duct 71 and the second elongated air duct 72 are connected to form a T shape, the first elongated air duct 71 extends along the edge of the motherboard 2, the socket 511 is disposed above the first elongated air duct 71 and communicates with the first elongated air duct 71, the air pipe joint 70 is disposed at the input end of the second elongated air duct 72, and the output end of the second elongated air duct 72 communicates with the first elongated air duct 71. The provision of a plurality of parr joints 51 ensures the flow of gas from the first gas supply path 4 into the second gas supply path, ensuring a stable gas pressure.

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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.

Claims (8)

1. The utility model provides an air feed structure of anchor clamps, its characterized in that, is including the mother board that is used for loading bottom plate, level of anchor clamps and places, the bottom plate sets up in the top of mother board and fixes on the mother board through connect the structure soon, at least, be equipped with a first air feed channel on the mother board, the second air feed channel has been seted up on the bottom plate, and first air feed channel is connected with corresponding second air feed channel through the joint Assembly, every pneumatic element air feed connection that corresponds on second air feed channel and the anchor clamps, first air feed channel is connected with the air supply.

2. The jig gas supply structure according to claim 1, wherein the connector assembly comprises a plurality of parr connectors, each comprising a socket provided on an upper surface of the motherboard and a plug provided correspondingly on a bottom surface of the base plate.

3. The gas supply structure for the clamping apparatus according to claim 1, wherein the quick-connect structure comprises a gas expansion head arranged at the corner of the motherboard and a locking disc arranged at the bottom of the bottom plate and corresponding to the gas expansion head.

4. The gas supply structure of the jig according to claim 3, wherein the gas expansion head comprises a seat body and a plunger body fixed to the mother plate; the base body comprises a first flange part and a circular table which protrudes upwards and is arranged on the first flange part, and the circular table is of a hollow structure and is used for the plunger body to insert; the plunger piston is characterized in that a plurality of movable balls arranged in a circumferential array mode are arranged on the circumferential wall of the plunger piston body, the circumferential wall of the circular truncated cone is provided with avoidance holes for the movable balls to pass through, and the plunger piston body can enable the movable balls to extend out of the avoidance holes under the driving of air pressure.

5. The gas supply structure of the clamp according to claim 4, wherein the locking disc comprises a disc part with a hollow structure and a second flange part arranged on the circumferential wall of the disc part, and a plurality of limiting grooves arranged in a circumferential array are formed at the inner edge of the top surface of the disc part; the limiting groove is used for being matched with the movable ball to limit the lock disc to be separated from the air expansion head.

6. The gas supply structure of the clamp according to claim 1, wherein a first weight-reducing cavity is formed in the middle of the motherboard, and the first weight-reducing cavity is blocked by a first cover plate.

7. The gas supply structure of the clamp according to claim 6, wherein a second weight-reducing cavity is formed in the middle of the bottom plate, and the second weight-reducing cavity is sealed by a second cover plate.

8. The jig gas supply structure according to claim 6, wherein a joint assembly in which the parr joints are arranged at intervals along a straight line is provided between two adjacent inflatable heads.

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