Soft inner hole positioning double-pressing-plate linkage pressing device

Abstract

The utility model relates to the technical field of positioning and clamping devices, in particular to a soft inner hole positioning double-pressing-plate linkage pressing device which is mainly composed of an inner side double-pressing-plate linkage pressing device and an inner hole floating positioning and connecting device. Power sources of movement mechanisms of the two parts are transmitted by compressed air externally connected with a machine tool, the functions of initial positioning, clamping, pressing, auxiliary supporting, interlocking and the like can be achieved, and the soft inner hole positioning double-pressing-plate linkage pressing device is reasonable in appearance design and compact in structure. The clamping device is suitable for aluminum die-casting forming parts, casting forming parts and powder metallurgy parts so as to adapt to positioning, clamping and fixing of part products of irregular structures, the working state is stable, good practicability is achieved, and compared with the prior art, the clamping device has the outstanding substantive features.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning clamping device technical field, concretely is a kind of soft inner hole positioning double-pressing plate linkage pressing device. BACKGROUND

[0002] Precise product processing is an important guarantee for driving product transformation and upgrading, and according to the structure characteristics of the product, the processing factory needs to customize or manufacture equipment suitable for the processed product according to the technical parameter requirements of the processed product, and a soft inner hole positioning double-pressing plate linkage pressing device is essential.

[0003] The clamping and positioning device of the existing numerical control machining center generally adopts a one-way clamping mechanical structure. This clamping structure cannot adapt to the machining of irregular structure parts, so the structure of the existing clamping and positioning device needs to be further improved and innovated to adapt to the processed products of different shapes and structures. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a soft inner hole positioning double-pressing plate linkage pressing device to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a soft inner hole positioning double-pressing plate linkage pressing device, comprising an inner side double-pressing plate linkage pressing device and an inner hole floating positioning connecting device, characterized in that: the inner side double-pressing plate linkage pressing device comprises a support, a top rod, a connecting rod, a pressing plate and a cylinder, the inner hole floating positioning connecting device comprises a positioning seat, an inclined surface positioning pin, a top spring and a bridge plate, the positioning seat is fixedly installed on the top middle of the bridge plate through screws, the cylinder is fixedly installed on the bottom middle of the bridge plate through screws, the top rod is connected to the top telescopic rod of the cylinder, the supports are symmetrically installed on the top surface of the bridge plate, the connecting rod is installed on the top of the support through a pin shaft, the pressing plate is installed on the top of the connecting rod through a pin shaft, and the workpiece to be processed is placed in the positioning seat.

[0006] Preferably, three positioning holes are arranged on the top of the positioning seat in a triangular shape, the top spring is arranged on the bottom of the inner cavity of the positioning hole, and the inclined surface positioning pin is installed on the top of the top spring.

[0007] Preferably, the top end of the inclined surface positioning pin protrudes from the top surface of the positioning seat, and the top end surface of the inclined surface positioning pin shaft is inclined.

[0008] Preferably, the top of the top rod is movably connected to the two sides of the top of the top rod through a pin shaft.

[0009] Preferably, three fixing holes are arranged on the surface of the workpiece, and the fixing holes correspond to the positions of the inclined surface positioning pins.

[0010] Compared with the prior art, the utility model has the beneficial effects that: the utility model mainly has two part device composition, two part device respectively are: inside double pressing plate linkage compression device and inner hole floating positioning connecting device. The movement mechanism power source of two parts is transmitted by the external compressed air of machine tool, can realize initial positioning, clamping, compression, auxiliary support, and interlock function etc., the appearance design of soft inner hole positioning double pressing plate linkage compression device is reasonable, the structure is compact. It is applicable to aluminum die casting forming part, pouring forming part and powder metallurgy part, to adapt to the positioning clamping fixing of irregular structure part product, the working state is stable, has very good practicality, compared with prior art has the outstanding substantial characteristics. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the explosion structure schematic diagram of the utility model;

[0012] Fig. 2 It is the overhead structure schematic diagram of the utility model;

[0013] Fig. 3 It is the side sectional view structure diagram of the utility model.

[0014] In the drawing: 1, work piece; 2, positioning seat; 3, support; 4, top rod; 5, connecting rod; 6, pressing plate; 7, inclined surface positioning pin; 8, top spring; 9, bridge plate; 10, air cylinder. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0016] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "vertical", "upper", "lower", "horizontal" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0017] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can pass through intermediate medium indirectly connected, can be two elements inside the intercommunication。For ordinary skilled in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific circumstances.

[0018] Please refer to Figs. 1-3 The utility model provides a technical scheme: a soft inner hole positioning double-pressing plate linkage pressing device, including inner side double-pressing plate linkage pressing device and inner hole floating positioning connecting device, the inner side double-pressing plate linkage pressing device contains support 3, top rod 4, connecting rod 5, pressing plate 6 and cylinder 10, the inner hole floating positioning connecting device contains positioning seat 2, inclined plane positioning pin 7, top spring 8 and bridge plate 9, bridge plate 9 top middle is fixedly installed with positioning seat 2 through screw, bridge plate 9 bottom middle is fixedly installed with cylinder 10 through screw, cylinder 10 top telescopic rod passes through bridge plate 9, cylinder 10 top telescopic rod top end is connected with top rod 4, bridge plate 9 top surface both sides middle symmetry is installed with support 3, and support 3 top is installed with connecting rod 5 through pin shaft, and connecting rod 5 top is installed with pressing plate 6 through pin shaft, and positioning seat 2 is placed with the workpiece 1 to be processed in.

[0019] Further, the positioning seat 2 top is provided with three positioning holes, and the three positioning holes are arranged in a triangular shape, wherein the inner cavity bottom of the positioning hole is provided with a top spring 9, and the top spring 9 top is provided with an inclined plane positioning pin 7.

[0020] Further, the inclined plane positioning pin 7 top end exceeds the top surface of the positioning seat 2, and the inclined plane positioning pin 7 top end surface is inclined.

[0021] Further, the two pressing plates 6 tops are movably connected with the top rod 4 top two sides through pin shafts respectively.

[0022] Further, the workpiece 1 surface is provided with three fixing holes, wherein the fixing holes correspond to the positions of the inclined plane positioning pins 7.

[0023] Working principle: the device is a machining center auxiliary product compression fixing device, the power source is pneumatic. Click the pneumatic switch, at this time the cylinder rod of the pneumatic cylinder 10 is in the retracted state, because the support 3, the top rod 4, the pull rod 5 are connected by pin shaft, there is a certain angle between the connecting points, forming a lever cooperation. When the cylinder rod of the pneumatic cylinder 10 is retracted, the top rod 4 moves downward to drive the front end of the two symmetrical pressing plates 6 to be in the open state. Place the workpiece 1 on the positioning seat 2, make the three holes on the workpiece 1 coincide with the inclined surface of the positioning pin 7, because the front end of the inclined surface positioning pin 7 is provided with an inclination, and the bottom is resisted by the spring 8, there is an upward force, so even if the size of the hole on the workpiece 1 is slightly deviated, as long as the size of the diameter within the inclination range of the inclined surface positioning pin 7 can be accurately positioned. Click the pneumatic switch again, the cylinder rod of the pneumatic cylinder 10 drives the top rod 4 to eject, the top rod 4 drives the two symmetrical pressing plates 6 to press down, so that the front end of the pressing plate 6 presses the inner side plane of the workpiece 1, thus, the compression positioning of the workpiece 1 is completed. Click the pneumatic switch again, the pressing plate is opened, and the workpiece 1 is taken out. Complete a complete operation.

[0024] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A soft inner hole positioning double-presser plate linkage pressing device, comprising an inner side double-presser plate linkage pressing device and an inner hole floating positioning connecting device, characterized in that: The inner side double-pressing plate linkage pressing device contains support (3), top rod (4), connecting rod (5), pressing plate (6) and air cylinder (10), the inner hole floating positioning connecting device contains positioning seat (2), inclined positioning pin (7), top spring (8) and bridge plate (9), the positioning seat (2) is fixedly installed in the middle of the top of the bridge plate (9) through screws, the air cylinder (10) is fixedly installed in the middle of the bottom of the bridge plate (9) through screws, the telescopic rod at the top of the air cylinder (10) penetrates through the bridge plate (9), the top rod (4) is connected to the top of the telescopic rod of the air cylinder (10), the support (3) is symmetrically installed in the middle of both sides of the top surface of the bridge plate (9), the connecting rod (5) is installed on the top of the support (3) through a pin shaft, the pressing plate (6) is installed on the top of the connecting rod (5) through a pin shaft, and the workpiece (1) to be processed is placed in the positioning seat (2).

2. A soft hole positioning double-pressing plate linkage pressing device according to claim 1, characterized in that: Three positioning holes are arranged on the top of the positioning seat (2) and arranged in a triangular shape, and a top spring (8) is arranged on the bottom of the inner cavity of the positioning hole, and the top spring (8) is arranged on the top of the inclined positioning pin (7).

3. A soft hole positioning double-pressing plate linkage pressing device according to claim 2, characterized in that: The top end of the inclined positioning pin (7) exceeds the top surface of the positioning seat (2), and the top end surface of the inclined positioning pin (7) is inclined.

4. The soft inner hole positioning double-pressing plate linkage pressing device according to claim 1, characterized in that: The top of the two pressing plates (6) is movably connected to the top of both sides of the top rod (4) through pin shafts.

5. A soft hole positioning double-pressing plate linkage pressing device according to any one of claims 1-2, characterized in that: Three fixing holes are arranged on the surface of the workpiece (1), and the positions of the fixing holes correspond to the positions of the inclined positioning pins (7).

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