JPH03203607A - Apparatus for clamping and transferring of raw base molding - Google Patents

Abstract

PURPOSE:To make it possible to support and transfer stably with a small force without deforming and damaging a raw base molding by an apparatus wherein forwarding and retreating arms are brought into contact with both side faces of the raw base molding from a obliquely lower direction and forwarding and retreating arms are brought into contact with the upper face thereof from the upper direction and the raw base molding is taken up by both arms. CONSTITUTION:When a raw base molding 17 is carried in by means of one of conveyers, a movable truck 20 is moved and a clamping member 23 is lowered by means of a cylinder 24. When the clamping member 23 is lowered at a specified position and the raw base molding 17 is positioned between vertical pieces 26a and 26b, cylinders 27a and 27b and 29a and 29b are started to move and pads 30a and 30b of the cylinders 27a and 27b are brought into contact with the upper face of the raw base molding 17 and pads 31a and 31b of the cylinders 29a and 29b are brought into contact with the side faces thereof. While the upper face of the raw base molding 17 is held by means of the pads 30a and 30b and both side faces of the raw base molding 17 are embraced by means of the pads 31a and 31b, when the clamping member 23 is elevated by a cylinders 24, the raw base molding 17 is clamped by the clamping member 23 through the cylinders 27a, 27b, 29a and 29b and elevated integrally with the clamping member 23.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a gripping and transferring device for a green green molded body used in the manufacture of pottery.

(Prior art) Regarding the manufacture of pottery such as toilet bowls, a method is generally adopted in which a green body molded body formed by a slurry casting method is dried, a glaze is applied to the dried green body body molded body, and then fired. It is being For this reason, the formed green body molded body is transferred to a drying line, a glazing line, and a firing line by a conveyor or the like, and is sequentially transferred from the conveyor or the like to each line at each station. Conventionally, when transferring from a conveyor or the like to each station of a drying line or a glazing line, the material was held and transferred manually or with a gripping device.

(I! Problem to be solved by the invention) As mentioned above, in the production line of pottery, it is essential to grasp the green body molded body and transfer it to the next process line, but the green body molded body is fragile. Because it is easily deformed and damaged,
Grasping and transferring by hand requires experience and effort, and grasping and transferring with a grasping and transferring device requires limited grasping positions, and the production line requires several types of fabrics of different sizes and shapes. When manufacturing a molded object, the jig is changed according to the shape of each green molded object for gripping, and in order to transfer it, the exact gripping position, landing position, etc. are instructed in advance using a control device, etc. As a result, production efficiency could not be improved.

This invention was made in view of the above-mentioned problem n, and aims to improve production efficiency by providing a device that can easily grasp and transfer different types of green molded bodies without deforming or damaging them. do.

(Means for solving the problem) Arms contacting both sides of the green molded body from diagonally downward;
It has an arm that comes into contact with the upper surface of the green molded body from above,
To provide a device in which each arm is movable forward and backward, a pad is provided at the tip of each arm, and the arms are brought into contact with a green molded body to grip and transfer it.

(Function) The device for grasping and transferring a green green molded body according to the present invention grasps the green green molded body by contacting both sides of the green body molded body with arms that can move forward and backward from diagonally downward and on the top surface from above. Therefore, green molded bodies of different types can be easily held and transferred without deforming or damaging them.

(Example) Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show a gripping and transferring device according to an embodiment of the present invention.'! Figure J1 is a front view, and Figure 's2 is a side view.

In the figure, 11 is a gate-shaped pedestal installed on the factory floor. The frame 11 includes a pair of supports 13a connected by a beam 12z.
, 13b and a pair of supports t5a connected by the beam 14.
, 15b are installed vertically apart from each other on the left and right in the figure, and the beams 12.14
Although not shown, this frame 11 has pillars 13a, 1
Two conveyors are arranged parallel to each other between the conveyor belt 3b and the support columns 15a and 15b. One of these conveyors extends from a drying station (not shown) to transport the dried green molded body, and the other extends to a glazing station (not shown) to transfer the green body from the one conveyor. The base molded body 17 is transported.

Note that the green material molded body 17 is a Western-style toilet bowl.

Further, a screw shaft 18 is installed between the beams 12 and 14 on the frame 11, and a rail 16a.

A motor 19 is provided on the rail 16b, and a motor 19 is provided on the rail 16b.
A movable trolley 20 is movably mounted on a and 16b. The screw shaft 18 is rotatably supported by the beams 12 and 14 at both ends, and the rail 1 is supported between the rails 16a and 16b.
6a and 16b. This screw shaft 18 is connected to the rotating shaft of the motor 19 and the belt transmission mechanism 21.
It is connected and rotationally driven by the movable trolley 20, and is also screwed into a nut (not clearly shown in the figure) fixed to the movable trolley 20. The motor 19 is connected to a control device (not shown) and supplied with electricity, and rotates the screw shaft 18 to reciprocate the movable cart 20 between the stoppers 32a and 32b.

A gripping member 23 is provided at the lower part of the movable cart 20 so as to be movable up and down by a plurality of guide rods 22, and a cylinder 24 for raising and lowering is interposed between the gripping member 23 and the lower part. Although details are not specified, this cylinder 24 is
The cylinder body is attached to the movable cart 20, and the rod is attached to the gripping member 23, and the gripping member 23 is driven up and down by the action of pressurized air or the like supplied from a control device.

The gripping member 23, as shown in FIG. Horizontal piece 25
are provided with cylinders 27m and 27b, and bent portions 28a and 28b are formed at the lower ends of the vertical pieces 26a and 26b, respectively, in a direction in which they approach each other. .

29b is provided. Cylinder 27a of horizontal piece 25
, 27b each have a cylinder body attached to the horizontal piece 25, a rod extending downward, and pads 30a, 30b fixed to the lower end of the rod. Similarly, the cylinder bodies of the cylinders 29a and 29b of the vertical pieces 26a and 26b are respectively attached to the vertical pieces 26a and 26b, and the rods extend obliquely upward, and pads 31a and 31b are fixed to the tips of the rods. .

In this gripping device, one conveyor (for example,
! When the green molded body 17 is carried in at J1 (left side in the figure),
The motor 19 moves the moving cart 20 to the rails 15a, 16b.
At the top, the carriage is moved from the stopper 32b until the end of the carriage comes into contact with the stopper 32a, and the gripping member 23 is moved downward by the cylinder 24. Thereafter, as shown in FIG. 2, the gripping member 23 is moved down to a predetermined position, and the green molded body 17 is separated from the vertical piece 26a.

26b, the cylinders 27a, 27b and the cylinders 29a, 29b are advanced, and the cylinders 27a,
The pads 30a and 30b of the cylinders 27b are placed on the upper surface of the green molded body 17, and the pads 31a of the cylinders 29a and 29b are
31b are brought into contact. And each pad 30a, 30b
When the gripping member 23 is moved upward by the cylinder 24 while holding the upper surface of the green molded body 17 with 31a and 31b and holding both sides of the green green molded body 17 with 31a and 31b, the green molded body 17 to each cylinder 27a, 27b, 2
It is gripped by 9a and 29b and moves upward together with the gripping member 23. Here, the pads 30 of the cylinders 27a, 27b
a, 30b, the pad 31a of the cylinder 29a and the pad 31b of the cylinder 29b are the green molded body 17
The cylinders 27a, 27b, 29a, and 29b are held stably even when the pressing force of each cylinder 27a, 27b, 29a, and 29b is small because the cylinders 27a, 27b, 29a, and 29b contact each other from the diagonally downward direction, and also from the top to maintain the center of gravity of the green molded body 17. There is also less risk of damage to the green molded body 17. In addition, cylinders 27m, 27b, 29
High versatility can be achieved by gripping green molded bodies 17 of different sizes by changing the strokes of a and 29b.

Next, the cart 20 is moved by the motor 19 until the end of the cart comes into contact with the stoppers 32a to 32b in FIG. When the green body molded body 17 is moved down to a predetermined position and the lower surface of the green body molded body 17 reaches several va/+* above the upper surface of the conveyor, each cylinder 27a, 27b
, 29a.

The green molded body 17 is lowered by its own weight onto the conveyor while the person 29b is leaving work. Thereafter, the holding member 23 is moved upward by the cylinder 24 to complete the transfer.

(Effects of the Invention) According to the present invention, arms that can move forward and backward are brought into contact with both sides of the green molded body from diagonally below, and a horse that can move forward and backward is brought into contact with the top surface of the green molded body from above. By holding the green body with both arms and lifting it, it is possible to stably support and transfer the green body molded body with a small force without deforming or damaging it. In addition, by changing the movement distance of multiple arms that are equipped with pads at the tips and can move forward and backward, it is possible to grasp several types of green molded objects of different sizes and shapes without deforming or damaging them.
There is no need to instruct the exact gripping position, landing position, etc. in advance using a control device, etc., and advance control of the gripping position, landing position, etc. is no longer necessary, and production efficiency can be improved with a simple device.

[Brief explanation of drawings]

Figures 's1 and 1i42 show a gripping device for a green molded body according to an embodiment of the present invention, with Figure 1 being a front view and Figure 2 being a side view. 17... Green molded body 23... Gripping member 25... Horizontal piece 26a. 27 a. 28a. 29 a. 30a. 31 a. Patent issue

Claims (1)

[Claims] It has arms that contact both sides of the green material molded body from diagonally downward, and arms that contact the top surface of the green material molded body from above, and each arm can move forward and backward, and a pad is attached to the tip of each arm. 1. A gripping and transferring device for a green green molded body, characterized in that the arms are brought into contact with the green green molded body to grip and transfer the green body formed body.