JP6814341B1 - Negative pressure suction gripping mechanism for T-shaped processed products for machine tools - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pinching mechanism for a T-shaped processed product for a machine tool. SOLUTION: A T-shaped processed product holding mechanism for a machine tool includes a bed 1, a truss 2 provided horizontally on the bed, and a robot arm 3 provided on the truss, and the bed includes the processed product. A case is provided, the processed product case is located below the robot arm, the processed product case includes a plate body and a case body 5 provided on the bed, and the plate body seals the mouth of the case body. As described above, the plate body is horizontally fixed to the case body, is located between the case body and the robot arm, and forms a sealed housing between the inner wall of the case body and the plate body. However, a tubular body is integrally formed on the plate body, the tubular body is provided vertically in the housing, and the tubular body is provided with both ends open. [Selection diagram] Fig. 1

Description

The present invention relates to the field of machine technology, specifically to machine tools, and particularly to a negative pressure suction gripping mechanism for T-shaped processed products for machine tools.

Machine tools generate a large number of chips during machining, and chips that are difficult to clean accumulate on the workbench or fall on the protective cover of the guide rail in the machine tool, increasing the load on the machine tool and causing poor dynamic performance. As a result, the shape of the protective cover of the guide rail will change and further damage will occur.If not treated immediately, the protective cover of the guide rail will be damaged, the guide rail will be damaged, and the transmission screw will lose accuracy. ..

Conventional machine tools feed the workpiece by a guide rail or robot arm, but if the surface of the workpiece is smooth during the gripping process, the workpiece cannot be gripped firmly, which affects the stability and efficiency of gripping. ..

Publication No. 10878816 of Chinese Patent Application

An object of the present invention is to provide a negative pressure suction gripping mechanism for a T-shaped processed product for a machine tool in response to the above technical problems, and to improve the stability of gripping the processed product.

In order to realize the above object, the negative pressure suction gripping mechanism of the T-shaped processed product for the machine tool of the present invention includes a bed, a truss provided horizontally on the bed, and a robot arm provided on the truss. The bed is provided with a processed product case, the processed product case is located below the robot arm, and the processed product case includes a plate body and a case body provided on the bed. The plate body is provided so as to be horizontally fixed to the case body so as to seal the mouth of the case body, and the plate body is located between the case body and the robot arm. A sealed housing is formed between the inner wall of the case body and the plate body, a cylinder body is integrally molded in the plate body, and the cylinder body is vertically provided in the housing body. The tubular body is provided with both ends open, and the inside of the case body is sealed with a character-shaped support and the lower end opening of the tubular body is sealed to the head of the support. A spring that tends to be crimped to the lower wall of the tubular body is vertically provided, the T-shaped processed product is provided above the plate body, and the head of the T-shaped processed product is provided. The rod portion of the T-shaped processed product is provided vertically inside the cylinder body and is provided in contact with the upper wall of the plate body so as to seal the upper end opening of the cylinder body. contact with the head, the T-shaped workpiece, to open the lower end opening of the cylindrical body, the support can be lowered to overcome the elastic force of the spring, the T-shaped working The rod portion of the product has a diameter smaller than the inner diameter of the tubular body, and the negative pressure suction gripping mechanism according to the present invention further includes a negative pressure component capable of causing a negative pressure inside the housing.

Principle of operation: In the initial state, the support is raised by the action of the spring, and at this time, the head of the support is crimped to the lower wall of the cylinder and the lower end opening of the cylinder is sealed. However, the negative pressure component causes a negative pressure inside the cylinder by the housing and the through hole. During operation, the head of the T-shaped processed product abuts on the upper wall of the plate to seal the upper end opening of the cylinder, and the rod portion of the T-shaped processed product is inside the cylinder. At the same time, the T-shaped processed product overcomes the elasticity of the spring so that the lower end opening of the tubular body is opened. is lowered Te, at this time, negative pressure of the cylinder body, to provide a suction force to the T-shaped workpiece, the T-shaped workpiece is avoided swings that when it is gripped, whereby the robot arm The stability of gripping the T-shaped processed product is improved, and the gripping efficiency and stability are improved. While the T-shaped processed product is gripped and separated from the plate body, the support is restored by the action of the spring and the lower end opening of the cylinder body is sealed again. In the actual product, the suction force due to the negative pressure inside the cylinder is not so large.

In the negative pressure suction gripping mechanism of the T-shaped processed product for a machine tool, an annular groove is formed in the head of the support, and the annular groove and the support are arranged on the same axis. A first annular gasket is provided inside the annular concave groove, and the lower end surface of the first annular gasket is provided in contact with the lower wall of the annular concave groove, and the upper end surface is provided by the action of the spring. Since it can be crimped to the lower wall of the cylinder, the sealing effect between the support and the cylinder is improved, and the work stability is improved.

In the negative pressure suction gripping mechanism of the T-shaped processed product for a machine tool, a conduit is vertically fixed to the lower wall of the case body, and the rod portion of the support is slidably inserted into the conduit. The spring is provided inside the conduit and is externally attached to the rod portion of the support, and both ends of the spring are in contact with the head of the support and the lower wall of the case body, respectively. Provided.

In the negative pressure suction gripping mechanism of the T-shaped processed product for machine tools, an annular locking groove is formed on the upper wall of the plate body, and a second annular gasket is provided inside the annular locking groove. Both end faces of the second annular gasket are provided in contact with the lower wall of the annular locking groove and the head of the T-shaped processed product , respectively.

In the negative pressure suction gripping mechanism of the T-shaped processed product for a machine tool, the negative pressure component includes a negative pressure vacuum pump and an air pipe provided outside the case body, and the negative pressure vacuum pump is an inlet. Is provided in communication with the housing by the air pipe.

In the negative pressure suction gripping mechanism of the T-shaped processed product for a machine tool, a connection hole facing the air pipe is provided on the side wall of the housing so as to penetrate, and one end of the air pipe is provided. It is inserted inside the connection hole, and the air pipe and the case body are fixed and hermetically connected.

In the negative pressure suction gripping mechanism of the T-shaped processed product for a machine tool, the air pipe is fixed to the case body by welding and sealed and connected.

As another alternative, in the negative pressure suction gripping mechanism of the T-shaped processed product for the machine tool, a mounting port is formed on the side wall of the case body so as to penetrate, and the negative pressure component is the mounting port. Includes a negative pressure fan fixed inside.

The present invention specifically has the following improvements and advantages as compared with the prior art.

The negative pressure suction gripping mechanism of the T-shaped processed product for a machine tool according to the present invention is a component such as a negative pressure component, a plate, and a cylinder after the T-shaped processed product is placed on the plate. By engaging with each other, the inside of the cylinder becomes negative pressure, and by applying suction force to the T-shaped machine tool, the probability that the T-shaped machine tool will shake when gripping is effectively reduced, and the robot arm is a T-shaped machine tool. Improves gripping stability and improves gripping efficiency and gripping stability.

Each direction described in the present application is a direction when the device is viewed in the same direction as in FIG.

It is a structural drawing of the negative pressure suction gripping mechanism of the T-shaped processed product for a machine tool. It is a structural drawing of a processed product case. It is an enlarged structure view of the part A in FIG.

Hereinafter, the present embodiment will be described with reference to FIGS. 1 to 3. The technical contents of the embodiments of the present invention will be clearly and completely described. Obviously, the examples described below are only a part of the examples of the present invention and not all of them. Based on the examples of the present invention, those skilled in the art will include all examples obtained without creative effort within the scope of protection of the present invention.

Example 1:

As shown in FIG. 1, the negative pressure suction gripping mechanism of the T-shaped processed product for a machine tool according to the present invention includes a bed 1, a truss 2 provided horizontally on the bed 1, and a robot arm provided on the truss 2. The bed 1 is provided with a processed product case, and the processed product case is located below the robot arm 3.

Specifically, the processed product case includes a plate body 4 and a case body 5 provided on the bed 1, and the plate body 4 is horizontal to the case body 5 so as to seal the mouth of the case body 5. It is fixedly provided, and the plate body 4 is located between the case body 5 and the robot arm 3. In this embodiment, it is preferable that the plate body 4 and the case body 5 are fixedly connected by welding. A sealed housing 6 is formed between the inner wall of the case body 5 and the plate body 4, the cylinder body 4a is integrally molded in the plate body 4, and the cylinder body 4a is vertically formed in the housing 6. The tubular body 4a is provided with both ends open. In the actual product, there are a plurality of tubular bodies 4a, and all of them have an integral structure with the plate body 4.

As shown in FIGS. 1 and 2, inside the case body 5, there is a T-shaped support 7 and a cylinder 4a so as to seal the lower end opening of the cylinder 4a on the head of the support 7. A spring 8 that tends to be crimped to the lower wall is provided vertically. Specifically, the conduit 9 is vertically fixed to the lower wall of the case body 5, the rod portion of the support 7 is slidably inserted into the conduit 9, and the spring 8 is inside the conduit 9. As it is located, it is externally attached to the rod portion of the support 7, and both ends of the spring 8 are provided in contact with the head of the support 7 and the lower wall of the case body 5, respectively, so that the stability of supporting the support 7 is supported. Is good. Further, an annular groove is formed in the head of the support 7, the annular groove and the support 7 are arranged on the same axis, and the first annular gasket 10 is provided inside the annular recess. The first annular gasket 10 is provided with its lower end surface in contact with the lower wall of the annular concave groove, and the upper end surface can be crimped to the lower wall of the tubular body 4a by the action of the spring 8. The sealing effect between the cylinder 4a and the cylinder 4a is strengthened, and the effect of sealing the lower end opening of the cylinder 4a is improved.

The T-shaped processed product is provided above the plate body 4, and the head of the T-shaped processed product is provided in contact with the upper wall of the plate body 4 so as to seal the upper end opening of the tubular body 4a. The rod portion of the T-shaped processed product is provided vertically inside the tubular body 4a and abuts on the head of the support 7, and the T-shaped processed product is provided so as to open the lower end opening of the tubular body 4a. The support 7 can be lowered by overcoming the elasticity of the spring 8, and the diameter of the rod portion of the T-shaped processed product is smaller than the inner diameter of the tubular body 4a. A through hole is provided in the side wall of the tubular body 4a so as to penetrate, and the negative pressure suction gripping mechanism according to the present invention includes a negative pressure component capable of causing a negative pressure inside the housing 6.

In this embodiment, the negative pressure component includes a negative pressure vacuum pump 11 and an air pipe 12 provided outside the case body 5, and the negative pressure vacuum pump 11 has an inlet communicating with the housing 6 by an air pipe 12. Provided. A connection hole facing the air pipe 12 is provided on the side wall of the housing 6 so as to penetrate the side wall of the housing 6, and one end of the air pipe 12 is inserted inside the connection hole so that the air pipe 12 and the case body 5 are connected to each other. , Fixed and hermetically sealed, preferably the air pipe 12 is fixed and hermetically connected to the case body 5 by welding.

Further, an annular locking groove is formed on the upper wall of the plate body 4, a second annular gasket 13 is provided inside the annular locking groove, and both end surfaces of the second annular gasket 13 are annularly engaged. Since it is provided in contact with the lower wall of the stop groove and the head of the T-shaped processed product, the effect of sealing the upper end opening of the tubular body 4a is enhanced.

Principle of operation:

In the initial state, the support 7 is raised by the action of the spring 8, and at this time, the head of the support 7 is crimped to the lower wall of the cylinder 4a and the lower end opening of the cylinder 4a is sealed, resulting in negative pressure. The component creates a negative pressure inside the tubular body 4a by the housing 6 and the through hole. At the time of operation, the head of the T-shaped processed product abuts on the upper wall of the plate body 4 to seal the upper end opening of the tubular body 4a, and the rod portion of the T-shaped processed product is vertically inside the tubular body 4a. At this time, the T-shaped processed product lowers the support 7 by overcoming the elasticity of the spring 8 so as to open the lower end opening of the tubular body 4a. At this time, the negative pressure in the tubular body 4a gives an attractive force to the T-shaped processed product, so that the robot arm 3 is prevented from swinging when the T-shaped processed product is gripped , whereby the robot arm 3 is T-shaped. The stability of gripping the processed product is improved, and the gripping efficiency and stability are improved. While the T-shaped processed product is gripped and separated from the plate body 4, the support 7 is restored by the action of the spring 8 and the lower end opening of the cylinder body 4a is sealed again. In the actual product, the suction force due to the negative pressure in the cylinder 4a is not so large.

Example 2:

The structure and principle of the second embodiment are basically the same as those of the first embodiment. The side wall of the case body 5 is provided with a mounting port so as to penetrate the case body 5, and the negative pressure component is fixed in the mounting port. The difference between the two is that it includes a negative pressure fan.

1 Bed 2 Truss 3 Robot arm 4 Plate 4a Cylinder 5 Case 6 Housing 7 Support 8 Spring 9 Conduit 10 First annular gasket 11 Negative pressure vacuum pump 12 Air pipe 13 Second annular gasket

Claims (8)

Negative pressure suction gripping mechanism for T-shaped processed products for machine tools
Includes a bed, a truss horizontally provided on the bed, and a robot arm provided on the truss.
The bed is provided with a processed product case.
The processed product case is located below the robot arm and is located below the robot arm.
The processed product case includes a plate body and a case body provided on the bed.
The plate body is provided so as to be horizontally fixed to the case body so as to seal the mouth of the case body.
The plate body is located between the case body and the robot arm.
A sealed housing is formed between the inner wall of the case body and the plate body.
A cylinder is integrally molded with the plate.
The cylinder is provided vertically in the housing and is provided.
The cylinder is provided with both ends open.
Inside the case body, a T-shaped support and a spring that tends to crimp the head of the support to the lower wall of the cylinder so as to seal the lower end opening of the cylinder. And are provided vertically,
The T-shaped processed product is provided above the plate body and is provided.
The head of the T-shaped processed product is provided in contact with the upper wall of the plate body so as to seal the upper end opening of the cylinder body.
The rod portion of the T-shaped processed product is vertically provided inside the tubular body and abuts on the head of the support.
In the T-shaped processed product, the support can be lowered by overcoming the elasticity of the spring so as to open the lower end opening of the cylinder.
The diameter of the rod portion of the T-shaped processed product is smaller than the inner diameter of the tubular body.
The negative pressure suction gripping mechanism according to the present invention further includes a negative pressure component capable of causing a negative pressure inside the housing.
A negative pressure suction gripping mechanism for T-shaped processed products for machine tools. An annular groove is formed in the head of the support.
The annular groove and the support are arranged on the same axis.
A first annular gasket is provided inside the annular groove.
The lower end surface of the first annular gasket is provided in contact with the lower wall of the annular concave groove, and the upper end surface can be crimped to the lower wall of the tubular body by the action of the spring.
The negative pressure suction gripping mechanism for a T-shaped processed product for a machine tool according to claim 1. A conduit is vertically fixed to the lower wall of the case body.
The rod portion of the support is slidably inserted into the conduit.
The spring is located inside the conduit and is externally attached to the rod portion of the support.
Both ends of the spring are provided in contact with the head of the support and the lower wall of the case body, respectively.
The negative pressure suction gripping mechanism for a T-shaped processed product for a machine tool according to claim 1. An annular locking groove is formed on the upper wall of the plate body.
A second annular gasket is provided inside the annular locking groove.
Both end faces of the second annular gasket are provided in contact with the lower wall of the annular locking groove and the head of the T-shaped processed product, respectively.
The negative pressure suction gripping mechanism for a T-shaped processed product for a machine tool according to claim 1, claim 2 or claim 3. The negative pressure component includes a negative pressure vacuum pump and an air pipe provided outside the case body.
The negative pressure vacuum pump is provided with an inlet communicating with the housing by the air pipe.
The negative pressure suction gripping mechanism for a T-shaped processed product for a machine tool according to claim 1, claim 2 or claim 3. A connection hole facing the air pipe is provided on the side wall of the housing so as to penetrate the side wall.
One end of the air pipe is inserted inside the connection hole.
The air pipe and the case body are fixed and hermetically connected.
The negative pressure suction gripping mechanism for a T-shaped processed product for a machine tool according to claim 5. The air pipe is fixed to the case body by welding and hermetically connected.
The negative pressure suction gripping mechanism for a T-shaped processed product for a machine tool according to claim 6. A mounting port is formed on the side wall of the case body so as to penetrate the case body.
The negative pressure component includes a negative pressure fan fixed inside the mounting port.
The negative pressure suction gripping mechanism for a T-shaped processed product for a machine tool according to claim 1, claim 2 or claim 3.

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