JPS6221419A - Finishing die holding apparatus for double row wire draw bench - Google Patents

Abstract

PURPOSE:To supply easily cut wire rods by equipping a spring to push a die to the inner side of an opening on a side wall of a frame and by setting an inner holder of the frame supporting the peripheral surface of die freely to open and to close. CONSTITUTION:An oblong window 6a is opened at a prescribed position on side wall 6 of the frame dividing the inner and the outer parts of the frame. On the outer side of the window for the frame, a pair of upper and lower holders 8, 9 outside the frame are installed freely to open and to close in order to support the outer side faces of the plural finishing dies 7 laterally in series contacting with said holders. On the inner side for the frame of the window 6a of the side wall 6, both upper and lower surfaces of the plural finishing dies and a pair of upper and lower holders of the inside frame supporting laterally in series are installed freely to open and to close. A clamping piece 18 is pressured to each finishing dies 7 by a spring weavs 19. Each die clamping piece 29 are pressured to each finishing dies 7 by a spring weavs 30.

Description

Detailed Description of the Invention (Industrial Field of Application) This invention relates to a double-row wire drawing machine that draws multiple wire rods at the same time. The present invention relates to a finishing die holder device that includes a plurality of finishing dies arranged in a row between an outer capstan and into which a plurality of wire rods stretched between the two capstans are respectively inserted.

(Prior Art) Normally, a double-row wire drawing machine has a predetermined number of capstans disposed therein, and an intermediate die holder device is disposed between these two adjacent capstans.

Further, at the wire outlet, an inboard capstan and an outboard capstan opposing the capstan are disposed, and a die holder device is disposed between these two capstans.

Conventionally, intermediate die holder devices and finishing die holders V
The cN has a structure in which a plurality of dies are individually fitted into a plurality of recesses arranged in parallel in a holder main body fixed to the machine frame, and each of these dies is held in each of the four parts by a holding means. was common.

In the conventional device described above, when one wire rod, e.g. On the other hand, the wire rod is inserted again and replenished. However, when the wire at the base of the capstan is cut, the wire stretched at the tip of the capstan becomes an obstruction, making it difficult to replenish the wire.

For this reason, the fixed holder, which is fixed at a predetermined position on the machine frame,
A holding groove is formed to movably hold multiple dies in series, and a movable holder is inserted into the open side of this holding groove.
An intermediate die holder device is currently being developed by the same applicant, in which each die can be attached to and removed from the holding groove, and the cut wire can be replenished at the tip end of the capstan. .

(Problem to be Solved by the Invention) However, if the finishing die holder device installed on the side wall of the machine body that partitions the inside and outside of the machine has almost the same structure as the intermediate die holder device, Fi for line! The problem arises that lubricating oil leaks out of the machine.

(Means for Solving the Problem) Therefore, in the present invention, each of the above-mentioned T Todoge dice is provided on the outside of the opening window formed at a predetermined position on the side wall of the machine that partitions the inside and outside of the machine. A pair of external holders supporting the external side of the machine are attached so as to be openable and closable, and a spring means is provided on the inside of the machine of the opening window for pressing the inside of the finishing die,
In addition, a pair of in-machine holders supporting the outer circumferential surface of each finishing die are attached in an openable/closable manner, thereby making it possible to move and detach the above-mentioned Fage dies.

(Function) Therefore, in the present invention, when the wire rod on the base side of the capstan is cut, a pair of external boulders and an in-machine holder are respectively opened, a finishing die for the cut wire rod is taken out, and the finishing die is By moving the other finishing dies to a position corresponding to the tip side of the capstan and sequentially moving the other finishing dies toward the base side, the cut wire can be replenished on the tip side of the capstan. Furthermore, the pair of external holders supporting the external surfaces of each finishing die are closed, and each finishing die is pressed against the external die by the spring means of the internal holder, so that the external holder and each finishing die are separated. The seal between the bamboo is kept.

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

In FIG. 9, which is a simplified front view of a double-row wire drawing machine, a predetermined number of capstans 1, which rotate using a motor or the like as a drive source, are installed at appropriate intervals on the front of the machine frame inside the machine.
They are arranged horizontally. An intermediate die holder device A is arranged between adjacent capstans 1. As shown in FIG. 10, these intermediate die holder devices HA are mainly composed of fixed and movable holders 2 and 3, and hold a plurality of intermediate dice 4 movably in series, and also hold a movable holder 3. The structure is such that each die 4 can be sharpened from the holding groove 2a of the fixed holder 2 by movement of the die.

Moreover, a plurality of wire rods W are stretched from the base to the tip of each main single-stub stun 1 through each intermediate die 4 of the intermediate die holder device A. As is well known, the circumferential speed of each capstan 1 is set to increase sequentially from the wire inlet side to the outlet side, and a plurality of wire rods W stretched between two adjacent capstans 1 have a predetermined speed. tension is applied to each.

A capstan 5 on the outside of the machine that faces the capstan 1 inside the machine is disposed outside the machine for wire rod [1], and a lifting die holder system @S is disposed between these two capstans 1 and 5. ing. This finishing die device will be explained according to FIGS. 1 to 8. A horizontally long opening window 6a is opened at a predetermined position on the side 'Iu6 of the machine that separates the interior and exterior of the machine. ing. On the outside of the opening window 6a (on the right side in FIG. 1), there is a 1-Tm for supporting the outside side of a plurality of finishing dies 7 in series in the lateral direction in contact with each other.
A pair of external holders 8 and 9 are attached so as to be openable and closable. In this embodiment, the lower external holder 8 in FIG. 1 is fixed to the external surface of the side wall 60 by bolts, and the lower half of the opening window 6a is attached to the F section of the external holder 9. A die support portion 8a that is fitted and is flush with the inner surface of the machine on side #6 is provided in a protruding manner.

The upper machine A holder 9 has bolts 10 attached to the outer surface of the side wall 6.
It is attached to the lower external boulder 8 via a long hole 11 in the vertical direction so as to be openable and closable.

A die support portion 9a is protruded from the lower part of the upper external holder 9 and is vertically movably fitted into the upper half of the opening window 6a and is flush with the inner surface of the side wall 6. and,
The lower surface of the die support portion 9a has an insertion hole 12 through which the wire W pulled out from the center hole of each finishing die 7 can be inserted.
As shown in FIG. 2, it is formed in an inverted 1-shaped cross section with an open bottom end. In the state shown in FIG. 2 in which the upper outboard holder 8 is closed with respect to the lower outboard boulder 9, the lower end opening of each insertion hole 12 or the upper surface of the lower outboard holder 8 When each of the through holes 12 is closed and the upper external holder 9 is opened upward as shown in FIG.

In this embodiment, a pair of left and right guide pieces 13 for guiding the movement of the upper external holder 9 are provided on the outer surface of the side wall 60.
are arranged at both left and right ends of the external holder 9, as shown in FIGS. 2 and 3. Furthermore, a spring 14 is interposed between the inner and outer holders 8 and 9 below L to urge the outer holder 9 on the first side upward.

On the machine side of the opening window 6a of the side wall 6, there are a plurality of holders 15 and 16 for supporting the outer periphery of the L-shaped die 7, the lower surfaces, and a pair of lower holders for supporting them in series in the lateral direction. is installed so that it can be opened and closed.

The lower in-machine holder 15 that supports the lower outer circumferential surface of each finishing die 7 is fixed to the inner surface of the side wall 60 by bolts, etc., and a spring mounting member 17 is attached to the bolt on the surface of the in-machine holder 15. It is fixed.

Between the lower in-machine boulder 15 and the spring mounting member 17,
A plurality of die holding pieces 18 for individually holding down the inner lower part of each finishing die 70 are arranged as shown in FIGS. 1 and 4. Each of these die holding pieces 18 is
It is biased toward the L-shaped die 7 by the spring means 19 .

In this embodiment, the spring means 19 includes, as shown in FIG. 6, a screw body 20 screwed into the spring mounting member 17, and a push pin 21 fitted into the screw body 20 so as to be able to protrude.
The spring 22 is inserted into the screw body 20 and constantly biases the push pin 21 in the projecting direction.

The upper in-machine holder 16 that supports the outer periphery and upper surface of each 11-raising die 7 is attached at its base end to the inner surface of the side wall 60 so that it can be opened and closed using a bin 23 as a fulcrum, and the surface of the in-machine holder 16 A spring mounting member 24 is fixed with a bolt.

This upper in-machine holder 16 is held in a closed state by a first tightening bolt 25 located on the base side and a second tightening bolt 26 located on the distal end side thereof,
Both first and second tightening bolts 25 are installed at predetermined positions on the side wall 6.
．． 26 are threadably screwed together, respectively. A second support member 27,28 is fixed.

Between the upper in-machine holder 16 and the spring mounting member 24,
A plurality of die holding pieces 29 for individually holding down the upper part of the inner surface of each finishing die 70 are arranged as shown in FIGS. 1 and 4. Each of these die holding pieces 29 is
It is biased towards each finishing die 7 by spring means 30. As shown in FIG. 6, this spring means 30 is similar to the spring means 19 of the lower in-machine holder 15 described above.

In addition, in this embodiment, one end of the lower in-machine holder 15 (the left end in FIG. 4) is provided with a tab brake 1 that supports the outer circumferential side of the finishing die at a position corresponding to the base side of the capstan 10. -31 is fixed. Furthermore, extension plates 32.33 are fixed to the other ends of both the upper and lower in-machine holders 15.16, respectively. A die insertion opening into which a finishing die 7 can be inserted is formed between both extension plays 1-32 and 33.

Furthermore, the side W! 6, both extension plays 1-32 are placed at specified positions on the inside of the machine.
．． push the finishing die 7 inserted between
34 is slidably supported between a pair of upper and lower slide guide members 35 and 36.

This embodiment is formed as described above, and therefore, the plurality of wire rods W stretched between each capstan 1 in the machine via each intermediate die 4 of the intermediate die holder device A are as follows: At the wire exit, after being fitted into the center hole of each finishing die 7 of the finishing die holder device S, it is wound a predetermined number of times around the outer circumferential surface of the outer main 11 stamp 5, and passes through the Danri roller device 37 to each wire end. is connected to a winding device (not shown).

In this state, each capstan 1 on the inside of the machine and the capstan 5 on the outside of the machine are driven. J, each key 11
The plurality of wire rods W stretched between the pushstands 1 and 5 include
A predetermined tension is applied, and each of these wire rods W is first sequentially reduced in diameter in the center hole of each intermediate die 4 in each intermediate die holder device A in the machine, and then t! The wire is finished to a predetermined diameter in the center hole of the lifting die 7.

” - During wire drawing, if, for example, one wire W stretched on the base side of the capstan 10 is cut among the plurality of wire rods W, first, in the machine, in the intermediate die holder device A, The intermediate die 4 corresponding to the cut line 4AW is taken out from the holding groove 2a.

Then, the wire rod W on the wire rod supply source side with respect to the cut wire rod
The terminal portion is first wound a predetermined number of times around the outer peripheral surface of the tip end of the capstan 2 on the inlet side, and then wrapped around the removed die 4.
It is inserted into the center hole of. Then, this intermediate die 4 is inserted into the distal end side of the holding groove 28, and the other intermediate dies are sequentially moved toward the base side. Then, the end of the wire W fitted into the center hole of the intermediate die 4 is wound around the outer peripheral surface of the tip of the next capstan 2 a predetermined number of times.

In this way, the wire UW is sequentially stretched across each capstan 1 from the inlet side to the outlet side of the machine via the intermediate die 4.

Now, when replenishing the wire rod W, the finishing die holder device S at the wire rod outlet is operated as follows.

First, on the outside of the side wall 6, by loosening the bolt 10 of the upper outboard holder 9, the outboard holder 9 is attached to the lower outboard bolt by the biasing force of the spring 14, as shown in FIG. 8
It is opened upwards.

Next, on the inside of the side wall 60, tighten the button 34]
-38, and move this pusher 1/34 back to the tU retracted position. Loosen the second bolts 25 and 26 and open the upper in-machine holder 16 upwardly with the bin 23 as a fulcrum with respect to the lower in-machine holder 15, as shown in FIG. Then, the finishing die 7 corresponding to the cut wire W is taken out from between the two internal holders 15 and 16.

Here, as described above, the end of the wire supplemented at the tip side of each capstan 1 in the machine is inserted into the center hole of the finishing die 7 taken out.

After that, open the upper in-machine holder 16 to its original position,
The holder 16 is placed in the first. It is held in the closing device by the second tightening bolt 25,26. Then, the finishing die 7 with the wire inserted therein is inserted between a pair of extension plates 32.3.
Insert between 3. In this state, the pusher 1F 34 is advanced to move the above-mentioned stub die 7 and other stub die 7 sequentially to a predetermined position. At this time, each wire rod W stretched between the capstan 1 inside the machine and the capstan 5 outside the machine is sequentially moved to the base side of the capstans 1 and 5 together with each finishing die 7. Ru.

Thereafter, the upper external holder 9 is closed to the position where it touches the lower external holder 8, and the upper external boulder 9 is held closed by the bolt 10.

Thereafter, the end of the refilled wire W that is inserted into the center hole of the finishing die 7 passes through the insertion hole 12 of the external holder 9 and is wound a predetermined number of times around the outer peripheral surface of the tip of the external capstan 5. The wire is rotated and connected to the winding device through the roller device 37, thereby completing the replenishment work of the cut wire UW.

Further, in this embodiment, each finishing die 7 is attached to the pair of external holders 8 and 9 in the closed state by the spring means 19.
30, each is individually energized.
Even if there are variations in the thickness of the V-shaped die 7, the outer surface of the V-shaped die 70 can be attached to a pair of external holders 8,
9 can be held in pressure contact. Therefore, each of the stub dies 7 can be held without any gaps between the pair of external holders 8 and 9, and the problem of lubricating oil inside the machine leaking out of the machine can be solved.

In addition, in the above-mentioned example, although the disk-shaped ke-1-ge die 7 was illustrated, the shape is not limited,
It may be a square, a triangle, etc. In addition, -15 pair of in-machine holders 15.16 and spring handle 1 member 17°2
4 may be integrally formed.

(Effects of the Invention) As described above, according to the present invention, when the wire rod A5 on the base side of the capstan is cut, the pair of external holders and the internal holder are opened, and the cut wire is removed. The finishing die for the wire rod is taken out, this finishing die is moved to a position corresponding to the tip side of the capstan, and the other finishing dies are sequentially moved to the base side to replenish the cut wire rod. This can be easily done on the tip side of the capstan. Therefore, it is possible to prevent other wire rods from becoming an obstruction to the work of replenishing cut wire rods, and it is possible to improve work efficiency.

Furthermore, by closing the pair of external holders that support the external surfaces of each finishing die and suppressing the internal surfaces of each finishing die by the spring means of the internal holder, the external holders and each finishing die are It is possible to maintain a seal between the Therefore, it is possible to prevent the f/l clean oil inside the machine from leaking from between each finishing die and the holder outside the machine.

[Brief explanation of drawings]

The drawings show one embodiment of this invention, and FIG.
A front sectional view showing the die die holder device, FIG. 2 is a side view from outside the machine, FIG. 3 is a plan view, FIG. 4 is a side view from inside the machine, FIG. 5 is a sectional view showing one shear, and FIG. Figure 6 is a sectional view showing the spring means, and Figure 7 is a sectional view of the pair of external holders.
Fig. 8 is a side view showing a pair of internal holders in a released state, Fig. 9 is a front view schematically showing a double-row wire drawing machine, and Fig. 10 is an intermediate die holder device. FIG. 1...Capstan inside the machine 5...Capstan outside the machine 6...Side wall 6a of the machine body...Opening window. 7... Second die 8.9... External holder 15.16... In-machine holder 19.30... Spring means

Claims (1)

[Claims] In a double-row wire drawing machine that draws multiple wire rods at the same time, a wire drawing machine is installed between an inside capstan and an outside capstan, which are arranged opposite to the wire outlet, and between these two capstans. A finishing die holder device is equipped with a plurality of finishing dies in series into which a plurality of stretched wire rods are respectively inserted, and an opening is provided at a predetermined position on the side wall of the machine body that partitions the inside and outside of the machine. A window is formed, and on the outside of the opening window, a pair of outside holders that support the outside surfaces of the finishing dies in contact are attached so as to be openable and closable, and on the inside of the opening window, the A pair of in-machine holders that support the outer circumferential surface of each finishing die are provided with spring means for pressing the inside of the machine, and are attached so as to be openable and closable, thereby making it possible to move and detach the finishing dies. A finishing die holder device for a double-row wire drawing machine.