JPH0733419U - Punch changer in pressure molding equipment - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide a device capable of easily and surely inserting / removing only a punch into / from a predetermined position and attaching / detaching to / from a pressure molding facility. [Structure] A dolly 8 that is arranged to be able to move in and out of a pressure molding station of a pressure molding facility, and a dolly 8 that has entered the pressure molding station at a position corresponding to a lower mold attached to the pressure molding station. Positioning means 1 for positioning
6, 18 and an engaging portion 15 which slidably penetrates the trolley 8 up and down and which is engageable with the engaging portion 6 of the elevating means 4 of the pressure molding equipment, and at the lower end thereof. An intermediary member 11 configured to be able to attach the punch 3 is provided, and a push-up holding means 12 that is attached to the carriage 8 to hold and raise the intermediary member 11 to a predetermined height and to be separable from the intermediary member 11.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an apparatus suitable for inserting and removing only a punch in a pressure molding die into and out of a pressure molding station to attach and detach it to and from a pressure molding facility.

[0002]

[Prior art and problems]

 Conventionally, the punch is moved in and out of the pressure molding station in a state where the punch is assembled in the lower mold from the viewpoints of mounting to a pressure molding facility and ease of centering. Even if you want to move the punch in and out of the pressure molding station for maintenance and inspection of only the punch, it must be carried out in the lower mold, resulting in very poor productivity and workability. There was a problem. The present invention has been made in view of the above circumstances, and it is possible to easily and surely move only the punch into and out of the position corresponding to the lower mold attached to the pressure molding station, and to pressurize the pressure molding equipment. It is an object of the present invention to provide a device that can be attached to and detached from.

[0003]

[Means for Solving the Problems]

 In order to achieve the above object, the punch exchanging device according to the present invention comprises a trolley arranged so as to be able to move in and out of a pressure molding station of a pressure molding facility, and a trolley which has entered the pressure molding station. Positioning means for positioning the carriage in a moving direction and a direction orthogonal to the moving direction at a position facing the lower mold attached to the pressure molding station, and the upper end of the carriage slidably penetrating vertically. An intermediary member having an engaging part capable of engaging with the engaging part of the elevating means of the pressure molding equipment and having a lower end part to which a punch can be attached; and the intermediary member attached to the carriage. And a push-up holding means that can be lifted up to a predetermined height and held and can be separated from the intermediary member.

[0004]

With the apparatus configured as described above, in order to carry a desired punch into the pressure molding station, the punch is attached to the lower surface of the intermediate member held at a predetermined height by the push-up holding means, and then the punch is pressed. The members etc. are carried into the pressure molding station by the carriage, the engaging part of the intermediary member is made to enter the engagement member of the elevating means of the pressure molding equipment, and the carriage is positioned at the predetermined position by the positioning means. . Then, the push-up holding means is operated to separate the intermediary member from the carriage, and the intermediary member and the elevating means of the pressure molding equipment are engaged, whereby the lower mold of the elevating means of the pressure molding equipment is engaged. The punch can be attached to the position opposite to via the intermediary member. Further, by performing the above operation in reverse, the punch can be detached from the elevating means of the pressure molding equipment and carried out.

[0005]

【Example】

 An embodiment of the present invention will be described in detail with reference to FIGS. As shown in FIG. 1, which is a front view, in the middle position of the pressure molding equipment, a middle frame 1 oriented in the left-right direction is provided by being erected on four columns 2, and the left side position of the middle frame 1 is In the pressure molding station, a downward cylinder 4 as an elevating means for elevating and lowering the punch 3 is provided above the middle frame 1, and the cylinder 4 is mounted on the ceiling frame 5 installed on the column 2. Has been done. As shown in FIG. 3, which is a left side view of FIG. 1, a protrusion 6 having an inverted T-shaped vertical section is provided as an engaging portion at the lower end of the piston rod 4a of the cylinder 4.

Further, as shown in FIG. 2 which is a plan view of FIG. 1, two rails 7, 7 oriented in the left-right direction are laid on the upper surface of the middle frame 1 at a predetermined interval in the front-rear direction. A truck 8 is mounted on the rails 7 so as to be movable in the left and right directions. The tip of the piston rod of the lateral cylinder 9 is connected to the right end of the carriage 8 via a connecting member 10. The cylinder 9 is mounted on the middle stage frame 1 and the cylinder 8 expands and contracts to allow the carriage 8 to move. It is designed to move to the left or right.

Further, as shown in FIG. 3, an intermediate member 11 having a T-shaped vertical cross section, which has a dovetail groove 15 as an engaging portion at the center of the upper surface, is provided at the center of the dolly 8 at the center of the dolly 8. The intermediary member 11 is mounted so as to be slidable up and down, and the intermediary member 11 has piston rods of two lateral first cylinders 12 as push-up holding means formed on the front and rear side surfaces of the upper part 11a of the intermediary member 11. The protrusions 6 are held at a predetermined height that allows the protrusions 6 to enter the dovetail grooves 15 by inserting the protrusions 6 into the individual first holes 13 and 13, respectively. The first cylinder 12 is mounted on the carriage 8 so as to face each other with two brackets 14, 14.

Further, the intermediary member 11 is adapted to be slightly raised by inserting the piston rods of the first cylinders 12, 12 into the two first holes 13, 13, respectively. Note that, as shown in FIG. 2, the dovetail groove 15 reaches near the center of the upper surface of the intermediate member 11. The punch 3 is attached to the lower end of the intermediary member 11.

Further, as shown in FIG. 1, at the left end of the middle stage frame 1, there are two positioning means for positioning the lower mold (not shown) attached to the pressure molding equipment. Positioning pins 16 and 16 are provided at a required interval in the front-rear direction, and the positioning pins 16 and 16 are inserted into the pin holes 17 and 17 formed on the left side surface of the carriage 8 in the front-rear direction of the carriage 8. It is designed for positioning. Further, two laterally oriented second cylinders 18 and 18 as the positioning means are attached to the left side position of the middle frame 1, and the tip ends of the piston rods of the second cylinders 18 and 18 have the above-mentioned trolley. The carriage 8 can be positioned in the left-right direction by inserting it into the two second holes 19 formed in the front and rear surfaces of the carriage 8.

As shown in FIG. 1, the apparatus configured as described above holds the pistons at a predetermined height by extending the first cylinders 12 and 12 and inserting the piston rods into the first holes 13 and 13. The desired punch 3 is attached to the intermediate member 11, and then the cylinder 9 is extended to move the carriage 8 to the left. As a result, the protrusion 6 of the piston rod 4a of the cylinder 4 is inserted into the dovetail groove 15 of the intermediary member 11, and the positioning pin 16 is inserted into the hole 17 to position the carriage 8 in the front-rear direction. Then, the second cylinder 18 is extended to insert the tip of the piston rod of the second cylinder 18 into the second hole 19 to position the carriage 8 in the left-right direction. As a result, the punch 3, the intermediate member 11 and the like are positioned at predetermined positions by the carriage 8.

Then, when the piston rods of the first cylinders 12 and 12 are extracted from the first holes 13 and 13 by contracting the first cylinders 12 and 12, and the fixing state of the intermediate member 11 to the carriage 8 is released, The intermediary member 11 and the like are slightly lowered, and the projection 6 of the piston rod 4a of the cylinder 4 and the dovetail groove 15 of the intermediary member 11 are engaged with each other to be suspended from the lower end of the piston rod 4a. Thereby, the punch 3 is attached to the piston rod 4a of the cylinder 4 via the intermediary member 11, and only the punch 3 is carried into the pressure forming station and attached at a predetermined position of the equipment.

Further, the punch 3 can be carried out from the pressure molding station by performing the above operation in reverse. That is, the first cylinders 12 and 12 are extended so that the piston rods of the first cylinders 12 and 12 are inserted into the first holes 13 and 13 and the intermediary member 11 is slightly lifted, so that the protrusion 6 of the piston rod 4a is formed. The suspended state of the intermediary member 11 is released, and then the second cylinders 18 and 18 are contracted to pull out the piston rods of the second cylinders 18 and 18 from the second holes 19 and 19 of the carriage 8. Next, the cylinder 9 is contracted to move the carriage 8 etc. to the right. As a result, only the punch 3 can be carried out from the pressure molding station.

Although the positioning pin 16 and the second cylinder 18 are mounted on the middle frame 1 in the above embodiment, they may be mounted on the dolly 8. In this case, the pin holes 17 and The second hole 19 will be formed in the middle frame 1. Further, in the above-described embodiment, the projection 6 is provided on the piston rod 4a and the dovetail groove 15 is provided on the intermediary member 11, respectively, but these may be provided in reverse.

[0014]

EFFECTS OF THE INVENTION As is apparent from the above description, the present invention provides a trolley arranged so that it can be moved in and out of a pressure molding station of a pressure molding facility, and a trolley that has entered the pressure molding station. Positioning means for positioning the carriage in a moving direction and a direction orthogonal to the moving direction at a position opposed to a lower mold attached to the pressure forming station, and a vertically penetrating slidable penetrating body. An intermediary member having an engaging portion engageable with the ascending / descending means of the pressure molding equipment at its upper end and having a punch attachable at its lower end, and the intermediary member mounted on the carriage. Since a push-up holding means for holding the member raised to a predetermined height and separable from the intermediary member is provided, the punch is attached to the lower end of the intermediary member, and the intermediary member having the punch attached is provided. By moving the punch into and out of the pressure molding station via the trolley, it is possible to easily and securely attach and detach the punch to and from the predetermined position corresponding to the lower mold of the pressure molding station. It has a practical effect.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a left side view of a partial cross section of FIG.

[Explanation of symbols]

 3 Punch 4 Cylinder 6 Projection 8 Bogie 11 Intermediary Member 12 First Cylinder 15 Dovetail Groove 16 Positioning Pin 18 Second Cylinder

Claims (1)

[Scope of utility model registration request] 1. A trolley 8 which is arranged to be able to move in and out of a pressure molding station of a pressure molding facility, and a trolley 8 which has entered the pressure molding station. Positioning means 16 and 1 for positioning in a position corresponding to the lower mold attached to the pressure molding station in the direction of
8 and an engaging portion 15 which slidably penetrates the trolley 8 up and down, and which is engageable with the engaging portion 6 of the elevating means 4 of the pressure molding equipment, and at the lower end thereof. An intermediary member 11 to which the punch 3 can be attached, and a push-up holding means 12 that is attached to the carriage 8 and holds the intermediary member 11 by raising it to a predetermined height and is separable from the intermediary member 11. A punch exchanging device in a pressure molding facility, which is characterized in that