JPH0567487U - Grasping device for cylindrical articles - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] Even with cylindrical articles having different diameters, the outer circumference can be uniformly gripped, and by moving the gripper vertically with respect to the mounting position, Provided is a cylindrical article gripping device that uniformly grips cylindrical articles having different heights. [Structure] Gripping bodies 6 and 6 for sandwiching a cylindrical article 1 on both sides of the cylindrical article 1 are supported by rotating arms 4 and 4 having one ends axially mounted, and articles accompanying outer diameter correction 1
In response to the change in the gripping center, the above-mentioned gripping bodies 6 and 6 are moved back and forth along the guides 5 and 5 attached to the frame 2, and the supporting member 8 having the gripping bodies 6 and 6 is mounted on the mounting position 2a. Up-and-down adjusting means 20 for moving up and down is linked.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a device capable of uniformly gripping various types of cylindrical articles having different diameters.

[0002]

[Prior Art]

 Cylindrical articles, such as containers for filling and packaging liquids or their caps, have various shapes depending on the properties and uses of the contents, and in particular, the outer shape of the neck or body is As shown in Fig. 5, a wide variety of products are provided on the market, and machines for processing and processing cylindrical articles of different diameters, such as filling machines, lid machines, and washing machines. Since a cutting machine for containers and the like is large and expensive, it is possible to use a single machine as described above to handle the various types of containers for various types of processing and processing. It is common.

However, if an attempt is made to grip a different article 31 using a kind of gripping device 30, one that grips a cylindrical article 31 having a small diameter with respect to the center of the article diameter is as shown in FIG. , The gripping positions of the grippers 32, 32 move to the incorrect gripping center q, which is inwardly displaced from the regular gripping center p, and grip the large-diameter cylindrical article 31. As shown in, the gripping positions of the gripping bodies 32, 32 are moved to the incorrect gripping center q, which is deviated from the regular gripping center p, and both gripping the article 31 at the same center. Therefore, in order to hold the centers of these cylindrical articles 31 having different diameters in the same manner, the gripping device or attachment in the above-mentioned machine must be replaced for each article. It was intended to be versatile.

However, the replacement of the above-mentioned gripping device or attachment must be performed after stopping all the machines and related equipment such as a product transfer line, which requires a large amount of work and requires a large amount of replacement time. Work efficiency decreases.

In addition, recently, a large number of small-quantity and many types of processing / processing are required, and therefore different gripping devices or attachments must be prepared in advance, which makes it difficult to manage these parts and store them. There was a problem that occurred, and as a result, the cost of the product increased.

[0006]

[Problems to be solved by the device]

 The present invention has been made in order to solve the above-mentioned problems, and is capable of uniformly gripping the outer circumference of cylindrical products having different diameters. A gripping body for gripping the article on both sides is supported by a rotating arm whose one end is axially attached, and the rotating arm moves the above-mentioned gripping body along a guide, so that the gripping body is always held. It can be abutted so that the center position is constant, and the lifting and lowering mechanism moves the gripping body up and down with respect to the mounting position, so that uniform gripping can be performed even on cylindrical articles of different lengths. An object of the present invention is to provide a device for holding a cylindrical article that can be made.

[0007]

[Means for Solving the Problems]

 Means of the present invention for achieving the above-mentioned object is to provide a pair of support shafts rotatably erected on the frame in the vicinity of the mounting position of the cylindrical article on the frame, and a base portion for the support shafts. A pair of rotating arms that are fixed to each other and project to the mounting position so as to sandwich the cylindrical article, and to the frame at the outer end portion of the rotating arms so as to be orthogonal to the rotating arms, and , A pair of guides attached so as to correspond to the center of the mounting position, and a pair of guides pivotally supported on the outer ends of the pair of turning arms, and the turning arms turn the cylinder along the guides. Pair of gripping bodies that move forward and backward with respect to the article, a substantially V-shaped gripping surface provided at the inner ends of the pair of gripping bodies, and the pair of rotating arms that rotate in association with the support shaft. In the structure of the gripping device for the cylindrical article provided with the driving means, .

In addition, in the vicinity of the placement position of the cylindrical article in the processing machine, a pair of support shafts rotatably erected on the support member, and a base portion fixed to these support shafts, the placement position described above. To the frame at the outer end of the rotating arm, the pair of rotating arms protruding so as to sandwich the cylindrical article, and at the installation position described above. A pair of guides mounted so as to correspond to the center and a pair of guides are pivotally supported on the outer ends of the pair of rotating arms, and the rotation of the rotating arms advances and retreats with respect to the cylindrical article along the guides. A pair of gripping bodies, a substantially V-shaped gripping surface provided at the inner ends of the pair of gripping bodies, a drive means for rotating the pair of rotating arms in association with the support shaft, and Cylindrical article provided with a lifting adjustment means linked to a support member Of the gripping device.

[0009]

[Action]

 The cylindrical article gripping device of the present invention configured as described above has the following operation.

The cylindrical article gripping device of the present invention is attached to a processing / processing machine, and the rotating arm supported by the support shaft in accordance with the operation of the driving means is supplied at the mounting position in the device. Starting to rotate inward, that is, in the direction in which the cylindrical article is gripped.

At this time, the gripping body attached to the rotating arm by the support shaft moves toward the center position of the cylindrical article along the guide attached to the frame so as to be orthogonal to the rotating arm. Then, the pair of gripping surfaces abut against each other uniformly from both sides of the cylindrical article and are gripped by a predetermined pressure.

[0012] Further, by associating the lifting and lowering adjusting means with the supporting member, the gripping height of the gripping body attached to the supporting member can be arbitrarily changed, so that the cylindrical article length as shown in FIG. Even if they are different from each other, uniform gripping is performed.

[0013]

[Embodiment] Next, one embodiment of a gripping device for a cylindrical article according to the present invention will be described with reference to the drawings.

A gripping device A for a cylindrical article of the present invention is a cylindrical article 1, for example, a filling machine for filling a container 1 with a liquid or a fluid as shown in FIG. It is used for so-called processing machine B such as a lid-closing machine for winding and crowning, a washing machine for containers, a cutting machine for containers and the like.

1-3, A is an apparatus according to an embodiment of the present invention, which is used for the above-mentioned processing machine B, for example, a lid-applying machine, in which the frame 2 is supported. A pair of support shafts 3 and 3 erected on the member 8, a pair of rotating arms 4 and 4, guides 5 and 5 respectively provided on the supporting member 8, and a pair of rotating arms 4 and 4. The gripping bodies 6 and 6 attached to the respective shafts and the drive means 7 linked to the support shafts 3 are basically constructed.

In the vicinity of the mounting position 2a of the cylindrical article 1 in the device A, the support shafts 3 are freely rotatable in a pair at a predetermined interval to a support member 8 extending from the frame 2. It is installed upright.

The pair of rotating arms 4 and 4 have their bases fixed to the pair of support shafts 3 and 3 and are stretched so as to sandwich the cylindrical article 1 supplied to the mounting position 2a from both sides. It is so constructed that it can be swung out within a predetermined range around the above-mentioned support shafts 3, 3.

The guides 5 and 5 are made to correspond to the outer ends of the rotating arms 4 and 4 and are made to be orthogonal to the longitudinal direction of the rotating arms 4 and 4 with respect to the support member 8 of the frame 2. It is attached so as to face the center of the diameter of the cylindrical article 1 supplied to the placement position 2a.

The pair of gripping bodies 6 and 6 come into contact with the outer periphery of the cylindrical article 1 and when the cap 1a is tightened or pushed by the lid-applying machine B, other force is applied to the mounting position 2a. Since the cylindrical article 1 is grasped so as not to rotate, move, or be displaced, it is formed into a flat plate shape, and both side edges thereof are slidably inserted into the guides 5 and 5, and Rollers 12 and 12 attached to support shafts 10 and 10 at outer ends of the rotating arms 4 and 4 are inserted into elongated holes 9 and 9 formed in the intermediate portion in substantially the same direction as the rotating arms 4 and 4. It is movably engaged and can freely move back and forth with respect to the cylindrical article 1 as the rotating arms 4, 4 swing.

At the inner ends of the gripping bodies 6, 6, that is, on the side corresponding to the cylindrical article 1, gripping surfaces 13, 13 formed in a substantially V shape are provided, respectively. The two points (four points on both sides) of the gripping surfaces 13 and 13 contact the outer periphery of the cylindrical article 1 so that the cylindrical article 1 is reliably grasped from the outer periphery and is shown in FIG. As described above, at the mounting position 1a, even if the regular gripping center p of the cylindrical article 1 is slightly deviated, the cylindrical article 1 is automatically moved along with the inward movement of the gripping surfaces 13 and 13 described above. The movement is corrected to the normal gripping center p.

The drive means 7 swings the rotating arms 4 and 4 in accordance with the gripping timing of the cylindrical article 1 at the placement position 2a described above. This rotation is utilized during the turning of the roller. As shown in FIGS. 1 and 4, a roller 15 is pivotally supported on the outer end of a lever 14 attached to one of the upper ends of the support shafts 3 and 3. The roller 15 is elastically abutted against the peripheral end of a disk cam 17 mounted on the hollow fixed shaft 16 of the cover applying machine B, and the gears 18, 18 attached to the supporting shafts 3, 3 are engaged with each other. Depending on the combination, they are opened and closed relatively interlockingly.

In FIG. 4, reference numeral 19 is a winding means for the cap 1a in the lidding machine B, which grips the pre-supplied cap 1a when the gripping device A of the embodiment of the present invention is operating. Wrap or push in conformity to the mouth of the article 1 (bottle).

In addition, rubber grips (not shown) may be attached to the gripping surfaces 13 and 13 to secure gripping of the cylindrical article 1.

In FIG. 4, reference numeral 20 denotes a lifting / lowering adjustment means for the support member 8 described above, which is provided with a screw shaft 22 above the operation shaft 21 inserted into the hollow fixed shaft 16 of the cover applying machine B. In the lidding machine B equipped with the means 19 etc., it is screwed to the female screw body 24 of the elevating body 23, and the rotating shaft 26 is attached to the frame 2 via the diverting members 25, 25 such as bevel gears at the bottom, An operation handle 27 is attached to the outer end of the shaft 26, and the lifting body 23 screwed onto the screw shaft 22 is arbitrarily moved up and down along the fixed shaft 16 by operating the handle 27.

[0025]

[Effect of the device]

 The cylindrical article gripping device of the present invention configured as described above can uniformly grip a cylindrical article having a large diameter to a small diameter by the movement of the gripping body attached to the rotating arm. Since the gripping position is always uniform with respect to the center of the diameter of the cylindrical article, the single article is used to grip the cylindrical article having the different diameter.

Therefore, unlike the conventional case, it is not necessary to replace the gripping device or the attachment each time the outer diameter of the cylindrical article changes, and the work time and labor required therefor are not required, resulting in a significant labor saving. It is extremely effective for processing and processing into small quantities and a wide variety of cylindrical articles.

Further, since there is no need to replace the gripping device or the attachment, the preparation and management of these and the storage space required for the management and the operator thereof are also unnecessary, so that the purpose of cost down is achieved.

Further, by vertically moving the supporting member having the gripping body with respect to the mounting position by the lifting and lowering adjusting means, it is possible to uniformly grip even cylindrical articles having different lengths with one touch. It is something. It has special effects such as.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of a cylindrical article gripping device according to the present invention, in a state where a small diameter cylindrical article is gripped.

FIG. 2 is a side view of FIG.

FIG. 3 is a plan view of a state in which the large-diameter cylindrical article in FIG. 1 is gripped.

FIG. 4 is a partial vertical cross-sectional side view of a lidding machine that employs an embodiment of a cylindrical article gripping device according to the present invention.

FIG. 5 is an explanatory diagram schematically showing the outer shape of a cylindrical article used in the apparatus of one embodiment of the present invention.

FIG. 6 is a plan view showing a state in which a conventional article gripping device is used, and in which a small-diameter cylindrical article is gripped.

FIG. 7 is a plan view of a state in which the large-diameter cylindrical article in FIG. 6 is gripped.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cylindrical article 2 Frame 2a Placement position 3,3 Spindle 4,4 Rotating arm 5,5 Guide 6,6 Grip 7 Drive means 8 Support member 13,13 Grip surface 20 Lift adjustment member

Claims (2)

[Scope of utility model registration request] 1. A pair of support shafts rotatably erected on a supporting member in the vicinity of a mounting position of a cylindrical article in a processing machine, and a base portion fixed to these support shafts, wherein the mounting position is set forth above. To the frame at the outer end of the pair of rotating arms that project so as to sandwich the cylindrical article, and the center of the mounting position described above. A pair of guides attached so as to correspond to a pair of guides, and a pair of shafts pivotally supported on the outer ends of the pair of rotating arms, and which move forward and backward with respect to the cylindrical article along the guides by the rotation of the rotating arms. The gripping body, a substantially V-shaped gripping surface provided at the inner ends of the pair of gripping bodies, and a drive means that rotates the pair of rotating arms in association with the support shaft. A gripping device for a cylindrical article. 2. A pair of support shafts rotatably erected on a supporting member in the vicinity of a mounting position of a cylindrical article in a processing machine, and a base portion fixed to these support shafts, wherein the mounting position is set forth above. To the frame at the outer end of the pair of rotating arms that project so as to sandwich the cylindrical article, and the center of the mounting position described above. A pair of guides attached so as to correspond to a pair of guides, and a pair of shafts pivotally supported on the outer ends of the pair of rotating arms, and which move forward and backward with respect to the cylindrical article along the guides by the rotation of the rotating arms. Gripping bodies, substantially V-shaped gripping surfaces provided at the inner ends of the pair of gripping bodies, drive means for rotating the pair of rotating arms in association with the support shaft, and the supporting member. A cylindrical article, characterized in that it is provided with an ascending / descending adjusting means. Gripping device.