JP7444429B2 - clamp device - Google Patents

Description

Article 30, Paragraph 2 of the Patent Act applies (1) July 31, 2019 to August 3, 2019 Published at the 6th Press, Sheet Metal, and Forming Exhibition MF-TOKYO 2019 (2) July 31, 2019 to August 3, 2019 Distributing Niigata Kikai Co., Ltd.'s own catalog

The present invention relates to a clamp device that is attached to a base of a processing device via a T-groove and fixes a member to be fixed, such as a workpiece or a mold, set on the base.

This type of clamping device has a configuration in which a pressure medium such as hydraulic pressure is pressurized by a pressurizing device, and the clamp part performs a clamping operation due to the pressing action of this pressurized pressure medium. A fitting portion is provided, and the T-groove engaging portion is fitted into the T-groove of the base of the processing device to be attached to the base.

By the way, the shape of the T-slot for attaching this clamp device differs depending on the manufacturer of the processing device, and each has its own shape and is not compatible. Therefore, if you own multiple processing equipment from different manufacturers, you will need to have multiple clamping devices for each processing equipment, which means having a large number of clamping devices, which not only increases costs but also requires management and work. There was a problem that became complicated.

The present invention has been made in view of the current situation, and it is an object of the present invention to provide a clamp device that can be easily applied to T-grooves of different shapes without having to have a large number of clamp devices.

The gist of the present invention will be explained with reference to the accompanying drawings.

This clamping device fixes a fixed member 40 set on a base 30 of a processing device, and includes one clamp main body 1 provided with a clamp part 4 for clamping the fixed member 40, and this clamp main body 1. A plurality of T-slot mounting parts 2 are connected to each other so that they can be installed and removed by screwing, and a T-slot that is connected to the lower end of each of the T-slot mounting parts 2 so that they can be installed and replaced by screws is provided on the base plate 30. 31, the plurality of T-slot fitting parts 2 have different lengths, and the plurality of T-slot fitting parts 3 each have different shapes. A T-groove attachment part 2 that fits into the T-groove 31 and has an appropriate length selected from the plurality of T-groove attachment parts 2 is connected to the clamp main body part 1 ; A T-slot fitting part 3 having an appropriate shape that fits into the shape of the T-slot 31 selected from among the T-slot fitting parts 3 is connected to the T-slot mounting part 2 , Further, the clamp body 1 includes a cylinder 15, a piston 6 provided in the cylinder 15 so as to be able to reciprocate, and a pressurizer for operating the piston 6 and pressurizing the pressure medium in the cylinder 15. A pressure operation part 16 is installed inside, and this pressure operation part 16 is made up of a female threaded part screwed into the clamp body part 1 and a male threaded part screwed into this female threaded part. When the male screw part is screwed in, the piston 6 moves forward and the pressure medium in the cylinder part 15 is pressurized, so that the clamp part 4 performs a clamping operation and clamps the fixed member 40. The present invention relates to a clamp device characterized in that it is configured as follows .

Since the present invention is configured as described above, it becomes a clamping device that can be easily applied to T-grooves of different shapes without having to have a large number of clamping devices.

FIG. 2 is a perspective view showing this embodiment. It is an explanatory side view showing the use state of this example. FIG. 2 is an explanatory front view showing the usage state of this embodiment. It is an explanatory side sectional view showing a clamp main part (clamp part non-operation state) of a present example. FIG. 2 is an explanatory plan cross-sectional view showing the clamp main body (clamp section in non-operating state) of the present embodiment. FIG. 3 is an explanatory side sectional view showing the clamp main body (clamp part operating state) of the present embodiment. FIG. 2 is an explanatory plan cross-sectional view showing the clamp main body (clamp part operating state) of the present embodiment. It is an explanatory exploded view showing a present example. FIG. 2 is an explanatory front cross-sectional view showing the usage state of this embodiment. It is an explanatory outline diagram showing an example of a combination of a T-groove attachment part and a T-groove engagement part of a present example.

Embodiments of the present invention that are considered suitable will be briefly described by showing the effects of the present invention based on the drawings.

In the present invention, when the T-groove engaging part 3 of the current clamping device does not match the shape of the T-groove 31 provided on the base 30 of the processing device used and the clamping device cannot be attached, The groove attachment part 2 is removed, and a T-groove engagement part 3 is provided with a (suitable) shape to fit into the T-groove 31 provided on the base 30 of the processing device to be used from among the plurality of T-groove attachment parts 2. By selecting the T-groove attachment part 2 and connecting it to the clamp main body part 1 (attachment), it becomes possible to attach it to the processing equipment to be used.

That is, the present invention has a configuration in which a single clamp body 1 is provided with a plurality of T-groove attachment parts 2 having different shapes of T-groove engagement parts 3, and by replacing the T-groove attachment parts 2, the T- groove engagement can be changed. The portion 3 can be changed to another T- slot engagement portion 3 having a different shape, thereby making it possible to attach the T-slot 31 to another processing device having a different shape.

Therefore, it is not necessary to have a large number of clamp devices as in the past, and the cost of the clamp devices can be reduced, and the management of the clamp devices becomes easier and work efficiency is improved.

Specific embodiments of the present invention will be described based on the drawings.

The present embodiment is a clamping device for fixing a fixed member 40 such as a processing member or a mold set on a base 30 of a processing device (for example, a press device) as shown in FIGS. 2 and 3.

Specifically, the present embodiment is a clamp device in which the clamp part 4 that clamps the member to be fixed 40 is configured as a rod type that performs a clamping operation by the pressing action of a pressure medium pressurized by a pressure device 5. As shown in FIG. 1, there is a clamp main body part 1 having a clamp part 4, a T-slot mounting part 2 connected to this clamp main body part 1, and a T-slot engagement part provided in this T-slot mounting part 2. It is composed of part 3.

Each component of this embodiment will be described in detail below.

As shown in FIG. 4, the clamp main body 1 includes a clamp part 4 for clamping a member to be fixed 40, a pressurizing device 5 for pressurizing a pressure medium for clamping the clamp part 4, and a T-slot mounting part 2. It is configured to include a base portion 9 that is arranged in series.

As shown in FIG. 4, the base portion 9 is provided with a threaded connection portion 10 on the bottom portion of which the T-groove attachment portion 2 is screwed and connected, and the clamp portion 4 is attached upwardly to the base portion 9 on the top portion. A biasing member 11 (a coil spring is used in this embodiment) is provided for biasing.

Further, the base body part 9 is provided with a clamp guide part 12 on the circumferential surface that guides the movement of the clamp part 4 together with the base body part 9. In this embodiment, as shown in FIGS. The portion 12, the base portion 9, and the clamp portion 4, which will be described later, form a pressure medium storage portion 13 in which pressure medium is stored.

Specifically, as shown in FIG. 5, the pressure medium reservoir 13 is formed in the clamp body 1 so as to communicate with a pressure medium passage 14 that communicates with a pressurizing device 5, which will be described later. The pressure medium in the pressure medium storage section 13 is pressurized by the pressurizing action caused by the operation of the pressure device 5, and this pressurized pressure medium presses the clamp section 4, causing the clamp section 4 to move. ing.

Further, the clamp part 4 is formed in a cylindrical shape, is provided on the base part 9 via an urging member 11 so as to be relatively movable in the vertical direction, and is clamped by the pressing action of the pressure medium stored in the pressure medium storage part 13. It moves (moves downward) to clamp the fixed member 40, and when the pressing action of the pressure medium is released, it moves upward due to the biasing force of the biasing member 11 and the clamped state on the fixed member 40 is released. is configured to be Note that the shape of the clamp portion 4 is not limited to the shape described in this embodiment, and can be changed as appropriate.

Further, the pressurizing device 5 is configured to be manually screwed in, and a pressure medium flow path 14 and a pressure medium reservoir 13 are formed in the clamp body 1 by screwing the pressurizing device 5 into place by an operator. It is configured to pressurize the pressure medium inside.

Specifically, as shown in FIGS. 4 and 5, the pressurizing device 5 includes a cylinder section 15 that communicates with the pressure medium flow path 14, and a cylinder section 15 that can freely reciprocate in the front and rear direction (horizontal direction). It consists of a piston 6 as a pressurizing member 6 provided, and a pressurizing operation section 16 for operating the piston 6 and pressurizing the pressure medium in the cylinder section 15, and the pressurizing operation section 16 is operated. The piston 6 moves forward to press (pressurize) the pressure medium in the cylinder section 15, and due to this pressure, the pressure medium flows into the pressure medium storage section 13 through the pressure medium flow path 14, and the clamp section 4 is It is configured to be pressed and clamped.

More specifically, the pressurizing operation section 16 includes a screw-in operation section moving section 17 consisting of a female screw threaded into the clamp body section 1, and a male thread screwed into this screw-in operation section moving section 17. This screw-in operation part 8 is provided at the end (base end) of the piston 6, which is the pressure member 6, and is located on the front side of the clamp body 1, in other words. This embodiment is inserted into the T-slot 31 of the base 30 by screwing a tool such as a wrench into the clamp body 1 in a horizontal state through the opening 7 formed in the insertion direction (front side direction). It is provided.

That is, as shown in FIGS. 6 and 7, the clamp body 1 of this embodiment allows the pressurizing operation section 16 of the pressurizing device 5, specifically, the screw operation section 8, to be horizontally moved through the opening 7. This pressurization is achieved by screwing the piston 6 connected to the screw-in operation part 8 forward and pressurizing the pressure medium in the cylinder part 15 by inserting and engaging a tool such as a wrench from the direction. The pressed pressure medium flows into the pressure medium storage part 13 through the pressure medium flow path 14, and the pressure medium in the pressure medium storage part 13 is pressurized and presses the clamp part 4, and due to the pressing action of this pressure medium, The clamp portion 4 is configured to perform a clamping operation to clamp the member 40 to be fixed.

Further, the T-groove attachment part 2 connected to the clamp main body part 1 described above is provided with a T-groove engagement part 3 at the lower end that fits into a T-groove 31 provided in the base 30 of the processing device, and It is configured to be connected to the lower end of the main body 1 in a detachable manner.

Specifically, as shown in FIGS. 8 and 9, the T-slot mounting portion 2 has a male screw portion 18 at its upper end that is screwed into a threaded connection portion 10 provided on the base portion 9 of the clamp body portion 1. is provided and is configured to be screwed and connected to the clamp body 1 (base body 9). Note that the method of connecting the clamp body 1 and the T-groove attachment part 2 is not limited to the screwing method shown in this embodiment, but it is also possible to connect the clamp body 1 and the T-groove attachment part 2 removably. Any method that can be used to obtain this information may be adopted as appropriate.

Further, the T-slot mounting portion 2 of this embodiment has a structure in which the T-slot engaging portion 3 is detachably provided.

Specifically, a male threaded portion 19 is formed at the lower end of the T-slot mounting portion 2, and a threaded connection portion 20 formed on the T-slot engaging portion 3 is formed into a female thread to be screwed into the male threaded portion 19. The T-groove engaging portion 3 is removably provided in the T-groove attachment portion 2 by screwing the male threaded portion 19 and the threaded connection portion 20.

Further, in this embodiment, regarding the T-slot mounting portion 2 and the T-slot engaging portion 3 configured as described above, the T-slot mounting portions 2 having different lengths and the T-slots 31 having different shapes are fitted. The T-slot mounting portion 2 has a length suitable for fixing the member to be fixed 40 set on the base 30 selected from the plurality of T-slot mounting portions 2. A T-slot engaging part 3 is connected to the clamp body part 1 and has a shape that fits into the shape of the T-slot 31 selected from the plurality of T-slot engaging parts 3. (See Figure 10).

That is, in this embodiment, the height (length) can be changed by replacing it with another T-groove attachment part 2 having a different length, and thereby the clamp part when attached to the base 30 of the processing device 4, in other words, the distance between the upper surface of the base 30 and the clamp part 4 can be changed, and by replacing it with another T-slot engagement part 3 having a different shape, the T-slot The shape of the engaging portion 3 can be changed, thereby allowing the T-groove 31 to be attached to a different base plate 30.

The effects of this embodiment configured as described above will be explained below.

In this embodiment, the screwing operation of the screwing operation part 8 when operating the pressurizing device 5 is performed by setting a tool from the horizontal direction (the front side of the clamp body 1) with respect to the clamp body 1. With this structure, for example, when this embodiment is set on the base plate 30, the clamp device has excellent operability and can perform a screwing operation even if there is no vertical work space.

In addition, in this embodiment, a T-groove attachment portion 2 having a length suitable for the height (thickness) of the member to be fixed 40 is selected from a plurality of T-groove attachment portions 2 having different lengths, and the clamp body portion 1 is By connecting the clamp device to the clamp member 40, the clamp device has a length suitable for the member 40 to be fixed. Therefore, the fixed members 40 of various heights (thicknesses) can be fixed with this single embodiment, eliminating the need for multiple clamping devices as in the past, and reducing the cost of clamping devices. At the same time, the management of the clamp device becomes easier and workability improves.

Furthermore, in this embodiment, a T-slot engaging portion 3 having a shape suitable for the T-slot 31 provided on the base 30 of the processing device to be used is selected from among a plurality of T-slot engaging portions 3 having different shapes. By being connected to the T-slot attachment portion 2, it becomes a clamp device that can be attached to the base plate 30 thereof.

Therefore, this embodiment can be used for other processing devices having bases 30 with different shapes of T-grooves 31, and there is no need to have a large number of clamp devices for each processing device as in the past. The cost of the device can be reduced, the clamp device can be easily managed, and work efficiency is improved.

Furthermore, in this embodiment, the clamp main body 1 and the T-slot attachment section 2, and the T-slot attachment section 2 and the T-slot engagement section 3 are each connected to each other by screwing. It becomes a practical clamping device that is easy to operate.

In this way, this embodiment provides an innovative clamping device that exhibits unprecedented effects and is highly practical.

Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

1 Clamp body part 2 T-slot mounting part 3 T-slot fitting part 4 Clamp part 6 Piston
15 cylinder part
16 Pressure operation part
30 Foundation
31 T groove
40 Fixed member

Claims (1)

A clamping device for fixing a fixed member set on a base of a processing device, comprising one clamp main body provided with a clamp section for clamping the fixed member, and detachable and replaceable by screwing onto the clamp main body. a plurality of T-groove mounting portions connected to each other, and a plurality of T-groove fittings that are connected to the lower end of each of the T-slot mounting portions in a removable and replaceable manner and fit into the T-groove provided in the base. The plurality of T-slot fitting parts have different lengths, and the plurality of T-slot fitting parts fit into T-slots of different shapes, and the plurality of T-slot fitting parts fit into T-slots of different shapes. A T-slot mounting portion with an appropriate length selected from among the T-slot mounting portions is connected to the clamp body, and a shape of the T-slot is selected from among the plurality of T-slot fitting portions. A T-slot fitting part of an appropriate shape that fits into the T-slot fitting part is connected to the T-slot mounting part, and the clamp main body part is provided with a cylinder part and is movable back and forth within the cylinder part. and a pressurizing operation part for operating the piston and pressurizing the pressure medium in the cylinder part, and the pressurizing operation part has a female screw part screwed into the clamp main body part. , and a male threaded part that is screwed into the female threaded part, and when the male threaded part is screwed in, the piston moves forward and the pressure medium in the cylinder part is pressurized. A clamping device characterized in that a clamping portion is configured to perform a clamping operation to clamp a member to be fixed .

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