JP2021151690A - Pneumatic-hydraulic automatic positioning clamp - Google Patents

Abstract

To provide a pneumatic-hydraulic automatic positioning clamp with a positioning module that is stored inside the fixing module after an object to be processed is clamped.SOLUTION: The pneumatic-hydraulic automatic positioning clamp includes a fixed floor stand 10, a fixing device 20, a piston 12, a positioning module, and a platform 30. The fixed floor stand includes an installation area 11 for fixing the fixing device. The fixing device includes a fixing module and a clamping module. The fixing module has a body part 211, a connecting end and an assembly part. The clamping module includes a positioning plug and a set of clamping parts 221. The set of clamping parts has a clamping surface. The body part has a straight groove. The assembly part has a restriction groove and a guide track. The positioning module has an installation unit and a positioning unit. The installation unit has two inclined surfaces and a plurality of motion edges. The platform places an object to be processed.SELECTED DRAWING: Figure 2

Description

The present invention relates to a holding tool for a machining device, and more particularly to an pneumatically-operated automatic positioning holding tool for a machining device.

In the automatic machining process, it is troublesome to fix the object to be machined easily and surely. For example, when the object to be processed is manually fixed or removed, the object to be processed cannot be fixed with an equal force. When the object to be processed is fixed with insufficient force, the object to be processed will come off from the holding tool. When the object to be processed is fixed with an excessive force, the object to be processed is deformed.

In order to solve the above-mentioned problems, the holding tool is pneumatically or hydraulically driven via a medium.

For the purpose of accurately machining the object to be machined, at least one movable positioning unit is arranged on the holding tool to machine the object to be machined in order to fix the object to be machined on the holding tool. However, before machining the object to be machined, it is necessary to remove at least one of the movable positioning units. If at least one of the movable positioning units is not removed before machining the object to be machined, the movable positioning unit interferes with the machining process.

Further, it takes time to align the holding tools having the movable positioning unit, which increases the manufacturing cost.

An object of the present invention is to reduce or eliminate the above-mentioned drawbacks.

A main aspect of the present invention is to provide an air-hydraulic automatic positioning holding tool including a plurality of positioning modules housed in a fixed module after holding an object to be machined. As a result, it is possible to prevent the positioning module (positioning unit) from becoming an obstacle in the machining process.

Another aspect of the present invention is to provide an air-hydraulic automatic positioning clamp connected to a machining apparatus so as to be easily driven by air pressure or hydraulic pressure.

To achieve the above aspects, the pneumatic automatic positioning clamp of the present invention comprises a fixed bed and at least one fixing device.

The fixed bed is attached to a machining apparatus and has at least one installation area.

The installation area is configured to fix the fixing device.

The fixing device is configured to sandwich at least one object to be machined, and has a fixing module and a sandwiching module.

The fixing module has a main body portion, a connecting end, and an assembly portion.

The main body portion is configured to accommodate the connecting end and the assembly portion.

The connecting end is arranged at the bottom of the main body and is connected to the installation area. Further, the fixing device is fixed to the fixed bed via a plurality of connecting elements.

The sandwiching module has a set of sandwiching portions, and further, the pair of sandwiching portions has a sandwiching surface.

The sandwiching module further has a positioning plug that extends from the bottom of the set of sandwiches and is inserted into the assembly.

The sandwiching module is fixed to the assembly, which further has a limiting groove configured to accommodate the set of sandwiches that sandwich the object to be machined.

The main body has a straight groove. The assembled portion slides along the straight groove when the set of sandwiching portions operates to sandwich the object to be machined. Therefore, the set of sandwiching portions can be linearly moved together with the assembly portion.

The pneumatic automatic positioning clamp further comprises at least one piston, at least one positioning module, and at least one platform.

One end of the piston is fixed to the installation area, and the other end of the piston is connected to the positioning module. Further, the piston operates linearly within the installation area via the medium.

The assembly has at least one guide trajectory configured to operate the positioning module linearly.

The positioning module has an installation unit and at least one positioning unit. The installation unit is configured to fix the positioning unit. Further, the installation unit is connected to the piston.

The installation unit has two slopes formed to press against each of the assembly parts. Further, the installation unit has at least one motion edge configured to slide the installation unit along the guide trajectory, whereby the positioning module is displaced by the piston to the guide trajectory. It operates so as to move linearly along.

The positioning unit extends outside or is housed inside the fixing module. Further, the positioning unit is configured to position the object to be machined.

The platform is configured to mount the object to be processed and is formed in a plate shape. Further, both ends of the platform are sandwiched by the set of sandwiches.

The platform has at least one positioning hole, the positioning hole being configured such that the positioning unit can be extended through the positioning hole.

When the object to be processed is opened, the set of sandwiching portions expands outward when the assembly portion is pressed against the installation unit, and the positioning unit positions the object to be processed. Is stretched through the positioning hole.

When the object to be machined is sandwiched, the assembly is not pressed by the installation unit, and the sandwich module contracts inward to sandwich the object to be machined and the platform. Further, the positioning unit is operated by the piston so as to be housed inside the fixing module.

Preferably, the positioning unit has a guide end.

Preferably, the medium is compressed air configured to move the piston within the installation area. Alternatively, the medium is a hydraulic fluid configured to move the piston within the installation area.

Preferably, the sandwiching module sandwiches or releases the workpiece via the medium.

Preferably, the sandwiching module is a vise or chuck actuated by the medium.

It is a perspective view which shows the assembly of the air-hydraulic type automatic positioning holding tool which concerns on a preferred embodiment of this invention. It is an exploded perspective view of the air-hydraulic type automatic positioning holding tool which concerns on a preferred embodiment of this invention. It is another exploded view of the air-hydraulic type automatic positioning holding tool which concerns on a preferred embodiment of this invention. It is sectional drawing which shows the assembly of the fixed floor base of the air-hydraulic type automatic positioning holding tool which concerns on a preferred embodiment of this invention. It is a perspective view which shows the assembly of the fixing device of the air-hydraulic type automatic positioning clamp which concerns on a preferred embodiment of this invention. It is an exploded perspective view of the fixing device of the air-hydraulic type automatic positioning holding tool which concerns on a preferred embodiment of this invention. It is sectional drawing which shows the operation of the air-hydraulic type automatic positioning holding tool which concerns on a preferable embodiment of this invention. It is another cross-sectional view which shows the operation of the air-hydraulic type automatic positioning holding tool which concerns on a preferred embodiment of this invention. FIG. 8 is a plan view of FIG. It is a perspective view which shows the assembly of the air-hydraulic type automatic positioning holding tool which concerns on other preferable embodiment of this invention.

With reference to FIGS. 1 to 9, the air-hydraulic automatic positioning clamp 100 according to a preferred embodiment of the present invention will be described below.

Referring to FIGS. 1 to 3, the pneumatically hydraulic automatic positioning clamp 100 according to a preferred embodiment of the present invention includes a fixed bed 10 and four fixing devices 20.

Referring to FIGS. 2 and 4, a fixed bed 10 attached to a machining apparatus (not shown) has four installation areas 11, each of which is four fixed. Each one of the devices 20 is configured to be fixed.

In the present embodiment, the machining apparatus is any one of a computer numerically controlled (CNC) machining center, a CNC lathe, a grinding machine, a CNC grinding machine, and a high-speed cutting machining center. It is installed in CNC lathes, grinders, CNC grinders, and high-speed cutting centers.

As shown in FIGS. 1 to 8, each fixing device 20 is configured to sandwich one of each of a plurality of workpieces W (see FIGS. 3 and 7 to 9), and the fixing module 21 And has a holding module 22.

As shown in FIGS. 6 to 8, the fixing module 21 has a main body portion 211, a connecting end 212, and an assembly portion 213, and the main body portion 211 accommodates the connecting end 212 and the assembly portion 213. It is configured in.

As shown in FIGS. 5 and 6, the main body portion 211 has a straight groove 2131 such that the assembly portion 213 slides along the straight groove 2131.

As shown in FIGS. 7 and 8, the connecting end 212 is arranged at the bottom of the main body 211 and is connected to each one of the installation areas 11. Further, the fixing device 20 is fixed to the fixed bed 10 via a plurality of connecting elements.

As shown in FIGS. 7 and 8, each of the holding modules 22 of the fixing device 20 has a set of holding portions 221 and each of the set of holding portions 221 has a holding surface 222. .. The sandwiching module 22 further has a positioning plug 223 that extends from the bottom of a set of sandwiching portions 221 and is inserted into the assembly portion 213. Further, the sandwiching module 22 is fixed to the assembly section 213, and the assembly section 213 further has a limiting groove 2132 configured to accommodate a set of sandwiching portions 221 in order to sandwich the object W to be processed. Have. Therefore, the set of sandwiching portions 221 moves linearly in the x direction shown in FIGS. 7 and 8 along the linear groove 2131 provided in the main body portion 211 of the fixed module 21.

The sandwiching module 22 is a vise operated by hydraulic or pneumatic pressure, or a chuck operated by hydraulic or pneumatic pressure.

The machining equipment is combined with a hydraulic or pneumatic device by piping, and the piping is connected to a sandwiching module 22 to achieve machining automation.

Referring to FIGS. 1-8, the pneumatic automatic positioning clamp 100 of the present invention further includes a plurality of pistons 12, a plurality of positioning modules 23, and a plurality of platforms 30.

One end of each piston 12 is fixed to each installation area 11, and the other end is connected to each positioning module 23 (see FIGS. 7 and 8). The piston 12 operates linearly in the installation area 11 via the medium in the y direction shown in FIGS. 7 and 8. In this embodiment, the piston 12 operates by pressing with compressed air or hydraulic oil.

Referring to FIGS. 6-8, the assembly 213 has at least one guide track 214 configured to operate the positioning module 23 linearly.

Each positioning module 23 has an installation unit 231 and two positioning units 232, and the installation unit 231 is configured to fix the positioning unit 232. Further, the installation unit 231 is connected to the piston 12.

The installation unit 231 has slopes 2311 formed to press the assembly 213 on each of the two side surfaces. Further, the installation unit 231 has a plurality of motion edges 2312 configured to slide the installation unit 231 along at least one guide track 214 of the assembly 213. As a result, the piston 12 causes the positioning module 23 to slide along the guide track 214, that is, to move linearly in the y direction indicated by the arrows in FIGS. 7 and 8.

Further, the two positioning units 232 of the positioning module 23 extend outside the fixing module 21 of each fixing device 20 or are housed inside. Further, the two positioning units 232 are configured to position each machining object W.

In the present embodiment, each of the two positioning units 232 includes a guide end 2321 configured to guide and position the workpiece W (see FIGS. 6 to 8).

With reference to FIGS. 3 and 7-9, each platform 30 is configured to mount a work piece W. The platform 30 is formed in a plate shape, and both ends thereof are sandwiched by a set of sandwiching portions 221 of the sandwiching module 22.

Referring to FIGS. 6-8, the platform 30 has two positioning holes 31, which are configured such that the positioning unit 232 can be extended through the positioning holes 31.

Referring to FIG. 7, a set of sandwiching portions 221 of the sandwiching module 22 expands in the x direction shown in FIG. 7 in order to manually or automatically remove the object W to be machined. The assembly 213 to which the module 22 is fixed is pressed by each of the two slopes 2311 of the installation unit 231. Further, the positioning unit 232 of each positioning module 23 extends through the positioning hole 31 so that each machining object W is manually or automatically positioned by the guide end 2321 of the positioning unit 232.

Referring to FIG. 8, when each sandwiching module 22 starts sandwiching the machining object W and the platform 30, the positioning unit 232 of the positioning module 23 has a piston in order to avoid an obstacle to the machining process. 12 operates so as to be housed inside the fixed module 21. As a result, it is possible to avoid an obstacle in the machining process when the machining object W is significantly machined.

In this embodiment, four machining objects W are manually or automatically fixed or removed in order to improve the efficiency of machining and the usefulness of the machining apparatus.

Each of the set of sandwiching portions 221 is configured to be able to sandwich the workpiece W having a flat surface. Alternatively, each of the set of sandwiching portions 221 is configured to be able to sandwich the object to be processed W having an uneven surface by engaging the jaws.

Therefore, the air-hydraulic automatic positioning clamp 100 of the present invention has the following advantages.

1. 1. The positioning module 23 is housed inside the fixing module 21 after the machining object W is sandwiched, thereby avoiding an obstacle to the machining process.

2. The air-hydraulic automatic positioning clamp 100 is connected to a machining apparatus so that it can be easily driven by pneumatic or hydraulic pressure.

3. 3. Referring to FIG. 10, in other embodiments, the fixed bed 10 has a single installation area 11, which allows the present invention to be limited to a large number of machining processes, but a small amount. It is also applicable to cases.

4. The sandwiching module 22 and the positioning module 23 of the respective fixing devices 20 operate linearly by the respective pistons 12 to sandwich or release the workpiece W. Thereby, the pinching operation can be simplified.

Although suitable embodiments have been described for the purpose of disclosure of the present invention, it will be apparent to those skilled in the art that the disclosed embodiments and other embodiments of the present invention can be modified. Therefore, the scope of claims is intended to cover all embodiments that do not deviate from the spirit and scope of the present invention.

10: Fixed platform 100: Pneumatically hydraulic automatic positioning clamp 11: Installation area 12: Piston 20: Fixing device 21: Fixed module 211: Main body 212: Connecting end 213: Assembling part 2131: Straight groove 2132: Limiting groove 214 : Guide track 22: Holding module 221: A set of holding portions 222: Holding surface 223: Positioning plug 23: Positioning module 231: Installation unit 2311: Slope 2312: Moving edge 232: Positioning unit 2321: Guide end 30: Platform 31: Positioning hole
W: Object to be processed

Claims (6)

A pneumatic automatic positioning clamp with a fixed bed, at least one fixing device, at least one piston, at least one positioning module, and at least one platform.
The fixed bed is mounted on a machining apparatus and also has at least one installation area.
The installation area is configured to fix the fixing device.
The fixing device is configured to sandwich at least one object to be machined, has a fixing module and a sandwiching module, and is fixed to the fixed bed via a plurality of connecting elements.
The fixing module has a main body portion, a connecting end, and an assembly portion.
The main body portion is configured to accommodate the connecting end and the assembly portion, and also has a straight groove.
The articulated end is located at the bottom of the body and is also connected to the installation area.
The sandwiching module has a set of sandwiches and a positioning plug that extends from the bottom of the pair of sandwiches and is inserted into the assembly, and is fixed to the assembly.
The assembly portion includes at least one limiting groove configured to accommodate the set of sandwiching portions for sandwiching the object to be machined and a guide track configured to linearly move the positioning module. And when the set of sandwiching portions operate to sandwich the object to be machined, it slides along the straight groove.
The set of holding portions has a holding surface and can be linearly moved together with the assembled portion.
The piston operates linearly in the installation area via a medium, one end of the piston is fixed to the installation area, and the other end of the piston is connected to the positioning module. And
The positioning module has an installation unit and at least one positioning unit, and is operated by the piston so as to move linearly along the guide trajectory.
The installation unit is configured to fix the positioning unit, has two slopes connected to the piston and formed to press against the assembly, respectively, and also along the guide track. It has at least one moving edge configured to slide the installation unit and
The positioning unit is configured to extend outside or house inside the fixing module and to position the object to be machined.
The platform is configured to mount the object to be machined, is formed in a plate shape, has at least one positioning hole, and both ends of the platform are the set of holding portions. Sandwiched by
The positioning hole is configured so that the positioning unit can be extended through the positioning hole.
When the object to be processed is opened, the set of sandwiching portions expands outward when the assembly portion is pressed against the installation unit, and the positioning unit is used to position the object to be processed. , Stretched through the positioning hole
When the object to be machined is sandwiched, the assembly is not pressed by the installation unit, the sandwich module contracts inward to sandwich the object to be machined and the platform, and the positioning unit is pressed. An air-hydraulic automatic positioning clamp that operates by the piston so as to be housed inside the fixing module. The pneumatic-hydraulic automatic positioning clamp according to claim 1, wherein the positioning unit has a guide end. The pneumatic-hydraulic automatic positioning clamp according to claim 1 or 2, wherein the medium is compressed air configured to move the piston within the installation area. The pneumatic-hydraulic automatic positioning clamp according to claim 1 or 2, wherein the medium is a hydraulic oil configured to move the piston within the installation area. The pneumatic-hydraulic automatic positioning clamp according to any one of claims 1 to 4, wherein the sandwich module sandwiches or releases the object to be processed via the medium. The pneumatic-hydraulic automatic positioning clamp according to any one of claims 1 to 5, wherein the clamp module is a vise or a chuck driven by the medium.

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