JPH0723076Y2 - Homer refueling equipment - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oiling device for an oiling distributor installed on a reciprocating ram in a multistage homer for molding bolts and the like.

[0002]

2. Description of the Related Art The oil supply distributor installed on the ram distributes the supplied lubricating oil to a plurality of oil supply points such as the sliding surface of the ram.
A flexible oil supply pipe (hose) is directly connected to the distributor on the reciprocating ram for oil supply. Therefore, the refueling pipe swings back and forth as the refueling distributor reciprocates back and forth integrally with the ram, but the ram reciprocates at a high speed of about 350 times per minute. The oil supply pipes, which are swung at the same speed, have a short service life even if a sufficiently strong one is used, and there is a problem that the work must be interrupted due to sudden damage during the work.

[0003]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and its features will be shown with reference numerals of the embodiments described later. oil feeder of the present invention is provided with a ram 2 which reciprocates back and forth
It arranged a swinging rod 9 in which one end swingably is axially supported in the longitudinal direction in the rear of the machine frame 3, the other end portion and with said ram 2 at a substantially horizontal front-rear direction of the swing rod 9 The link 12 is interlocked to form the oil supply passages 26 and 31 in the support shafts 11 and 13 at both ends of the swing rod 9 , and the oil supply passages 18 whose both ends communicate with the oil supply passages 26 and 31 in both support shafts. formed in the swinging rod 9, one end side shaft 1 of the swinging rod 9
The feeding pipe 27 is connected to the oil supply passage 26 in 1, wherein the oil supply passage 31 of the other end side supporting shaft 13 of the swinging rod 9 ram 2
Connect to the distributor 16 for refueling attached above with the refueling connection pipe 32.
It is characterized by the fact that it is formed in succession .

[0004]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIG. 1, 1 is a fixed base equipped with a die, and 2 is a reciprocating ram equipped with a punch. is there. The reciprocating ram 2 is provided with slide guides 5a, which are slidably fitted to slide rails 4a, 4b on the machine frame 3 side.
5b is supported by the fixed base 1 so as to be horizontally movable in the front-rear and forward-rearward directions, and has one end loosely fitted to a revolving crank pin 6 and the other end supported by a support shaft 7 for reciprocating ram 2
With a crank arm 8 pivotally connected to the rear end of the
It is driven back and forth with a constant stroke.

Reference numeral 9 is a swing rod, the lower end of which is
A bearing member 10 and a left and right horizontal support shaft 11 are pivotally supported on the outer side of the machine frame rear end portion 3a so as to be swingable in the front-rear direction. Reference numeral 12 denotes a substantially horizontal front-rear direction link, the outer end of which is pivotally supported on the upper end of the rocking rod 9 by a horizontal support shaft 13 and the inner end of which extends rearward of the ram 2. A bearing member 14 and a horizontal support shaft 15 are provided at the rear end of the projecting portion 2a.
It is pivoted through and. Reference numeral 16 denotes an oiling distributor installed on the rearward extending portion 2a of the ram 2, each oil feeding port having a sliding surface between the slide rails 4a, 4b and the slide guides 5a, 5b. Piping 17 for refueling
a, 17b ... Are connected.

As shown in FIGS. 2 and 3, the rocking rod 9 is made of a pipe material and has an oil supply passage 18 extending over the entire length. At both ends of the swing rod 9, a cylindrical bearing 1 is fitted on the support shafts 11 and 13 so as to be rotatable only.
9 and 20 are fixed at right angles, and radial openings 21 and 22 communicating with both ends of the oil supply passage 18 in the rocking rod 9 are formed in these cylindrical bearings 19 and 20, respectively. The support shaft 11 is supported by the pair of left and right bearing members 10 located outside the tubular bearing 19, and
Positioning and fixing are carried out by nuts 23, 24 screwed on both ends. The opening 21 is provided between the cylindrical bearing 19 and the cylindrical bearing 19.
Oil-tight seals 25 are provided on both left and right sides of the support shaft 1
An oil supply passage 26 is formed in the inside of the fuel supply passage 1, one end of which opens at one end of the support shaft 11 and the other end of which opens on a peripheral surface that can face the opening 21 of the tubular bearing 19. Further, an oil supply pipe 27 is connected to one end of the support shaft 11 so as to communicate with the oil supply passage 26 via a pipe connector 27 a screwed into a screw hole portion at one end of the oil supply passage 26.

The support shaft 13 is supported by the pair of left and right links 12 located outside the tubular bearing 20, and is fixedly positioned by nuts 28 and 29 screwed into both ends. In addition, oil-tight seals 30 are interposed between the cylindrical bearing 20 and the left and right sides of the opening 22, and one end of the support shaft 13 opens at one end of the support shaft 13 while An oil supply passage 31 is formed on the peripheral surface of which the other end can face the opening 22 of the tubular bearing 20. Further, an oil supply connection pipe 32 is connected to one end of the support shaft 13 so as to communicate with the oil supply passage 31 via a pipe connector 32 a that is screwed into one end screw hole of the oil supply passage 31.

A flexible hose is used as the refueling connection pipe 32, and the other end is connected to the refueling port of the refueling distributor 16 as shown in FIG. In FIG. 3, reference numeral 33 is a connecting tool for connecting and integrating the pair of left and right links 12 with each other.

In the homer having the above-described structure, the ram 2 is reciprocally moved in the front-rear direction via the crank arm 8 by the revolution movement of the crank pin 6, and a punch mounted on the ram 2 and a die mounted on the fixed base 1 are provided. The material to be processed is pressed between the rams 2, and the upper end of the swing rod 9 is pushed and pulled back and forth through the link 12 as the ram 2 reciprocates in the front-rear direction. The swing rod 9 swings back and forth around the support shaft 11 in synchronization with the reciprocating movement. When the swing rod 9 swings back and forth, the cylindrical bearings 19 and 20 at both ends perform forward and reverse rotational movements about the support shafts 11 and 13.
The openings 21 and 22 provided in the
If the end openings on the opening 21, 22 side of the oil supply passages 26, 31 in 3 are provided with an appropriate circumferential length, the tubular member 19 will be moved along with the forward and backward swing of the swing rod 9. , 20 rotate forward and backward with respect to the support shafts 11, 13, the support shafts 11,
The oil supply passages 26, 31 in 13 and the oil supply passage 18 in the rocking rod 9 can always be communicated with each other through the openings 21, 22 of the cylindrical bearings 19, 20.

However, if the lubricating oil is supplied from the oil supply pipe 27 connected to the support shaft 11, the lubricating oil is supplied to the support shaft 11.
Inside, an oil supply passage 26, an opening 21 in the tubular bearing 19, an oil supply passage 18 in the swing rod 9, an opening 22 in the tubular member 20,
It is supplied to the reciprocating ram 2 side oil supply distributor 16 via the oil supply passage 31 in the support shaft 13 and the oil supply connection pipe 32, and from there, through sliding pipes 17a, 17b ... It is distributed and lubricated.

Since the entire oil supply connection pipe 32 only reciprocates back and forth integrally with the ram 2, a large repetitive bending force does not act. Also, this refueling connection pipe 32
The end of the support shaft 13 on the side of the support shaft 13 moves up and down slightly with the back-and-forth swinging motion of the swing rod 9. In order to prevent the refueling connection pipe 32 from receiving such a motion as well. In the same manner as the swing rod 9, an oil supply passage is provided in the link 12, and an oil supply passage is also provided in the support shaft 15 similarly to the support shaft 13, and the oil supply passages 26, 31 in the support shafts 11, 13 are provided.
And the oil supply passage 18 in the swing rod 9 are communicated with each other, the oil supply passages in the support shafts 13 and 15 at both ends of the link 12 are communicated with each other by the oil supply passage in the link 12,
The oil supply connection pipe 32 may be connected to the oil supply passage in the support shaft 15. In this case, refueling connection pipe 32
A metal tube can be used as.

[0012]

According to the Homer refueling apparatus of the present invention as of the operation and effect of the invention described above, the oil supply passage 18 in the swinging rod 9 to reciprocatingly swing back and forth in conjunction with the ram 2, the swinging rod 9 Since the lubricating oil from the oil supply pipe 27 is supplied to the oil supply distributor 16 installed on the ram 2 via the oil supply passages 26 and 31 in the support shafts 11 and 13 at both ends, It will be replaced the conventional flexible refueling tube portion was to receive a large repetitive bending force by receiving a high-speed movement of the ram 2 to the oil supply passage 18 in the swinging rod 9, the swinging rod 9 oil supply connection pipe 32 made of a flexible hose is used during refueling path between the oil supply passage 31 and the oil supply distributor 16 on the ram 2 other end side supporting shaft 13 is oscillating end side However, the entire refueling connection pipe 32 is a ram.
It only reciprocates back and forth together with 2, and does not receive a large repetitive bending force.

Therefore, the service life of the oil supply path constituting member for the oil supply distributor 16 on the ram 2 is remarkably lengthened, and maintenance work costs such as periodic hose replacement can be greatly reduced, and work can be performed. Almost no inconvenience such as work interruption due to breakage of hose inside is eliminated.

[Brief description of drawings]

FIG. 1 is a partially longitudinal side view of the entire homer.

FIG. 2 is an enlarged partial vertical sectional rear view of a main part.

FIG. 3 is an enlarged partial vertical sectional side view of a main part.

[Explanation of symbols]

2 Reciprocating ram 9 Swing rod 10 Bearing member 11 Support shaft 12 Link 13 Support shaft 14 Bearing member 15 Support shaft 16 Oil distributor 17a Distribution pipe 17b Distribution pipe 18 Oscillation rod internal oil passage 19 Cylindrical bearing 20 Cylindrical bearing 21 Opening 22 Opening 25 Oiltight seal 26 In-shaft oil supply passage 27 Oil supply pipe 30 Oiltight seal 31 In-shaft oil supply pipe 32 Oil supply connection pipe

Claims (1)

[Scope of utility model registration request] 1. A machine frame 3 having a ram 2 which reciprocates back and forth
Of disposed the swinging rod 9 in which one end swingably is axially supported in the longitudinal direction backwards, the other end portion of the swing rod 9 and the ram 2 at a substantially horizontal longitudinal direction of the link 12 The oil supply passages 2 are connected in an interlocking manner and are provided in the support shafts 11 and 13 at both ends of the swing rod 9.
6 and 31 are formed, and the oil supply passages 2 in the both support shafts are formed.
6,31 to the oil supply passage 18 having both ends communicating formed in the swinging rod 9 connects the oil supply pipe 27 to the oil supply passage 26 in one end side shaft 11 of the swinging rod 9, the swing rod
9 of the oil supply passage 31 and the oil supply device of Homer formed by connecting the oil supply distributor 16 which is attached on the ram 2 by the fueling connection tube 32 of the other end side supporting shaft 13.