JPH074444U - Suction head structure for hanging items - Google Patents

Abstract

(57) [Summary] [Object] To provide a suction head structure for suspending an article by increasing the suction force by vacuuming the inside of the bag of articles. A suction head structure for suspending an article is provided in which a suction portion 3 formed on a lower surface of the suction head 1 is provided with an air bleeding needle 4 which pierces a bag surface a of a packed article A and bleeds air from the bag. .

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a suction head structure for suspending an article which is packed in a paper bag or the like and is sucked by a suction head by a vacuum to be suspended and moved within a predetermined range.

[0002]

[Prior art]

 Various methods are used to move and convey bagged articles.

For example, many pellet-shaped articles used as raw materials for synthetic resin products are often packaged in waterproof paper bags or the like, and such packaged articles are brought into factories. Before being taken out from the bag, several transfer lines are placed and transferred.

[0006] Here, for transferring the bagged product to an adjacent transfer line, that is, for transferring the product, a mechanism and a method adapted to the characteristics of each transfer line are applied.

A computer-controlled robot is used as one of the transfer mechanisms for the bagged articles between adjacent transfer lines, and the bagged articles are attracted to the tip of the arm member by using a vacuum. Some have attached suction heads for hanging them.

FIG. 8 is a cross-sectional view showing a state in which the bagged articles are suspended by the suction head.

In the figure, 1 is a suction head, and this suction head 1 is attached to the front end of an arm member of a robot. Reference numeral 2 denotes a ring-shaped air leakage prevention port body made of an elastic member provided on the lower surface of the suction head 1, and the suction portion 3 is formed on the lower surface of the suction head 1 surrounded by the air leakage prevention port body 2. The suction unit 3 is connected to an external vacuum device via a pipe.

In the above structure, when the suction head 1 is applied to the bag surface a of the bag-filled article A and the air in the suction section 3 is evacuated, the bag surface a is sucked into the suction section 3 Is sucked by the suction head 1 and is suspended and moved in this state.

[0009]

[Problems to be solved by the device]

 However, in the case of the conventional suction head as described above, since air is present inside the bag of the packed article and remains at atmospheric pressure, the range in which the suction force acts is sucked into the suction section. It will be limited to the bag surface part. Therefore, if the suction head is not in good contact with the bag surface, the suction force may be insufficient and the article may be dropped.

The present invention has been made in view of the above points, and provides an article-holding suction head that does not drop an article due to insufficient suction force by increasing the suction force by vacuuming the inside of the bag. The purpose is to provide.

[0011]

[Means for Solving the Problems]

 In order to achieve the above object, the gist of the present invention is that in a suction head that sucks and hangs a bagged product using a vacuum, the suction part formed on the lower surface of the suction head The suction head structure for hanging an article is characterized in that an air-bleeding needle that pierces the bag surface of the article to evacuate the air in the bag is provided vertically.

[0012]

[Action]

 The suction head is applied to the bag surface of the packed article, the air bleeding needle is stuck into the bag surface, and the air inside the bag is also evacuated to create a vacuum, so the suction force of the article to the suction head does not extend to the entire bag surface. With this, strong adsorption is achieved, and it is possible to reliably suspend and move the article.

[0013]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a sectional view of the suction head of the present invention.

In the figure, 1 is a suction head, 2 is an air leakage prevention opening provided on the lower surface of the suction head 1, and the suction portion 3 is formed on the lower surface of the suction head 1 surrounded by the air leakage prevention opening 2. . The basic structure of the suction head 1 is well known.

In the present invention, a hollow air bleeding needle 4 that pierces the bag surface a of the bagged article A and bleeds air from the bag in the suction unit 3 is provided vertically. The lower end of the air bleeding needle 4 is formed as a tip 5 and communicated with the outside through a ventilation part 6.

The ventilation part 6 is configured so as not to be blocked by the contents b in the bag.

There are various configurations of the ventilation part 6 that are not blocked by the contents b as described above. For example, the configurations shown in FIGS. A plurality of recessed grooves 7 are formed in parallel on the side surface, and the recessed grooves 7 and the inner hole 8 are communicated with each other through a communication hole 9. Also, in the structure shown in FIGS. 4, 5 and 6, a vertical slit groove 10 reaching the central hole 8 is formed on the side surface of the air bleeding needle 4, and a plate piece is formed below the vertical slit groove 10. 11 is inserted and a part of it is projected to the inclined cut portion of the needle tip.

In the above configuration, when the suction head 1 is applied to the bag surface a of the packed article A and the air in the suction unit 3 is evacuated, the bag surface a is sucked into the suction unit 3 and the bag surface a The air bleeding needle 4 pierces the inside, and the air inside the bag is also evacuated to create a vacuum. In this way, as shown in FIG. 7, the suction force of the article A with respect to the suction head 1 becomes a strong suction over the entire bag surface a, and the article is hung and moved in this state.

[0020]

[Effect of device]

 According to this invention configured as described above, the following effects can be obtained.

(1) When a bag-filled article is sucked by the suction head, air is also evacuated from the inside of the bag to create a vacuum, so that the suction force of the article on the suction head is a strong suction over the entire bag surface. Therefore, it is possible to reliably move and suspend the goods. Also, since the time for suspending and moving the article can be shortened, the work efficiency can be improved.

(2) Since the conventional suction head can be implemented by a simple improvement in which an air bleeding needle is vertically provided on the suction portion, it can be provided at a simple structure and at a low cost. Also, since it can be applied to suspending and transporting water-proof paper bags or bags filled with synthetic resin bags, it is versatile and versatile.

[Brief description of drawings]

FIG. 1 is a sectional view of a suction head of the present invention.

FIG. 2 is a side view of an essential part of the air vent needle of the first embodiment.

FIG. 3 is a sectional view taken along line 2a-a.

FIG. 4 is a front view of a main part of an air vent needle according to a second embodiment.

FIG. 5 is a side view of the main part of the air bleeding needle of the second embodiment.

FIG. 6 is a sectional view taken along line 5b-b.

FIG. 7 is a cross-sectional view showing a state where an article is adsorbed by the adsorption head.

FIG. 8 is a cross-sectional view showing a state where an article is adsorbed by a conventional adsorption head.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Adsorption head 3 ... Adsorption part 4 ... Air bleeding needle A ... Bagged article a ... Bag surface

Claims (1)

[Scope of utility model registration request] 1. A suction head for sucking and suspending a bag-filled article by using a vacuum, wherein a suction portion formed on the lower surface of the suction head pierces the bag surface of the article to remove air from the bag. An adsorption head structure for suspending an article, characterized in that an air bleeding needle is provided vertically.