JP3025794B2 - Shearing mold and shearing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a shearing die for shearing a lip-shaped grooved steel, an H-shaped steel, an angled steel or the like with a press machine, and a shearing die. And a shearing device using the same.

(Prior Art) In general, both ends of a commercially available fixed length lip-shaped grooved steel or the like are cut by a cutting machine having a rotary blade, and the cut surface has burrs. In addition, since the cut surface is not a right-angled end surface, both ends of the profile are conventionally cut again using a shearing die.

This conventional shearing die has a first insertion hole (D ₁ ) through which a profile is inserted as shown in FIG. 10, and a fixed blade edge (D ₁ ) is provided at the exit end of the first insertion hole (D ₁ ) in the insertion direction. ₂ ) Fixed type equipped with (D)
, A second insertion hole corresponding to the first insertion hole (D ₁₎ (E ₁₎
A movable blade (E) having a movable blade edge (E ₂ ) at the entrance end of the second insertion hole (E ₁ ) in the insertion direction, and an inlet side surface of the movable die (E) and the fixed die. by Taise' an outlet side of (D), the movable-type (E), the frame having a guide surface inclined obliquely downward (F ₁₎ (F), the guide surface (F ₁₎ By movably supporting the movable mold (E) by pressing the upper part of the movable mold (E) with a ram of a press machine,
The movable mold (E) is moved obliquely downward with respect to the fixed mold (D), and the position of the second insertion hole (E ₁ ) with respect to the first insertion hole (D ₁ ) is shifted to shear the profile. Have been. The shearing device includes the shearing die configured as described above, and a fressing machine that moves the movable die (E) in the shearing die.

(Problems to be Solved by the Invention) When a long profile is sheared to a desired length, the shearing mold is disposed in the middle of a transport line, and the long profile is transported by a feed roller. The material is inserted into each of the fixed and movable type insertion holes (D ₁ ) and (E ₁ ) to shear the front and rear ends of the shape. When shearing the front end of the shape,
The long portion is received by the first insertion hole (D ₁ ) of the fixed type (D), and the excess is sheared by the downward movement of the short end by the pressurization by the movable type (E). Although there is no problem, after shearing the front end as described above, when the profile is moved forward and the rear end of the profile is sheared, the extra short rear end is fixed. (D) is received by the first insertion hole (D ₁ ), and the long portion is pressurized by the movable die (E) and is moved downward to be sheared.
There has been a problem that a rear end shear portion of a long portion to be a product is curved downward, or a shear surface is curved to become an inclined end surface. Therefore, in general, after the front end of the profile is sheared by the shearing mold, the profile is turned back and forth, and the rear end of the profile is sheared by the shearing mold. For this reason, the reversal of the long profile material is not only complicated, but also it is necessary to accurately reposition the reversed profile material at a predetermined position on the transport line, and the workability is poor, and the cost increases. There was a problem that a large space for reversal was required.

The present invention has been made in view of the above points, and an object of the present invention is to provide a shearing mold capable of cutting a front end and a rear end while sequentially feeding a shape material. The point is that two movable dies to be performed can be selected and operated by one moving device.

(Means for Solving the Problems) However, the shearing mold of the present invention has a first insertion portion (11) through which a profile is inserted, and a first insertion portion (11) is provided at both ends in the insertion direction of the first insertion portion (11). It has a fixed die (1) provided with first and second fixed blade edges (12) and (13), and a second insertion portion (21) corresponding to the first insertion portion (11). 21) having a first movable die (2) provided with a first movable blade edge (22) and a second insertion portion (31) corresponding to the first insertion portion (11); 31) and a second movable mold (3) provided with a second movable blade edge (32), wherein the first movable mold (2) is located on one side of the fixed mold (1), A mold (3) is disposed on the other side of the fixed mold (1), and a first and a second movable mold (2) are provided.
(3) is provided so as to be individually movable with respect to the fixed mold (1).

Further, the shearing device of the present invention has a first insertion portion (11) for inserting a profile, and a first and a second fixed blade edge (12) (12) on both ends of the first insertion portion (11) in the insertion direction. 13) and a second insertion portion (21) corresponding to the first insertion portion (11). The second insertion portion (21) has a first movable blade edge (2).
2) provided with a first movable die (2) and the first insertion portion (1
A second movable die (3) having a second insertion portion (31) corresponding to (1) and having a second movable blade edge (32) in the second insertion portion (31).
The first movable mold (2) is arranged on one side of the fixed mold (1), and the second movable mold (3) is arranged on the other side of the fixed mold (1). A shearing mold in which the movable molds (2) and (3) are separately movable with respect to the fixed mold (1), and a moving device for moving the first and second movable molds (2) and (3). (10) and the movement of the moving device (10)
And a selection device (40) for selectively transmitting to the second movable molds (2) and (3) and selectively operating one of the first and second movable molds (2) and (3). Is what it is.

(Operation) According to the shearing die of the present invention, the first insertion portion (11) of the fixed die (1) and the second insertion portions (21) (31) of the first and second movable dies (2) and (3). By moving the second movable mold (3) by inserting the shaped material into the fixed mold (1), the long portion of the shaped material is received by the first insertion portion (11) of the fixed mold (1). The extra tip of the material is pressurized and sheared, and the long portion of the material is moved forward by moving the first movable die (2) forward. First of fixed type (1)
The excess rear end of the profile is pressed and sheared in the state of being received by the insertion portion (11), and the excess portion is moved by the movable dies (2) and (3) and sheared. Since it is possible, it is possible to avoid the bending of the shearing portion or the inclination of the shearing surface, and it is possible to cut the front end and the rear end by sequentially feeding, so that mass production can be performed and cost reduction can be achieved. And does not require a large space for reversing the profile.

Further, according to the shearing device of the present invention, one of the first and second movable dies (2) and (3) is selected by the selecting device (40), and the movable device selected by operating one moving device (10). Only the mold is reliably operated, so that the leading and trailing ends of the progressively fed profile can be cut.

(Example) The shearing mold (A) of the present invention is one fixed mold (1).
And two movable dies (2) and (3).

The fixed mold (1) is formed in a rectangular shape as shown in FIG. 4 and fixed to a frame (4) as shown in FIG. 2. A lip is provided at the center of the fixed mold (1). A first insertion portion (11) through which a shaped material (K) such as a grooved steel with a hole is inserted is drilled, and a first fixed blade edge (12) is inserted at the entrance end of the first insertion portion (11) in the insertion direction. Further, a second fixed blade edge (13) is provided at the outlet end.

As shown in FIG. 5, the first and second movable dies (2) and (3) each have an inclined slide surface (23) on the upper left and lower right.
The movable molds (2) and (3) are formed in a block shape having (33) and movably supported diagonally downward on the frame (4). The second insertion portions (21) and (31) corresponding to the insertion portions (11) and through which the profile (K) is inserted are formed, and these second insertion portions (2
1) Of (31), the first movable blade edge (22) is provided at the exit end of one second insertion portion (21) in the insertion direction, and the second movable blade edge (22) is provided at the entrance end of the other second insertion portion (31). While the blade edge (32) is provided, the engagement projections (24) (inclined obliquely downward) are respectively formed on the entrance side surface of the first movable die (2) and the exit surface of the second movable die (3). 34). As shown in FIGS. 2 and 3, the first movable mold (2) is on the inlet side of the fixed mold (1), and the second movable mold (3) is on the outlet side of the fixed mold (1). The sliding surfaces (23) and (33) of these movable dies (2) and (3) are arranged in contact with inclined guide surfaces (4a) and (4a) provided on the upper left and lower right portions of the frame (4). ) And guide surfaces (4a) (4
The first and second movable dies (2) and (3) are individually movable diagonally downward along a).

On the inlet side of the first movable mold (2), an engaging recess (51) engaging with the engaging projection (24) and a through hole (52) for inserting the profile (K) are provided. The first transmission (5) with the
The mouth of the second movable die (3) has an engaging recess (61) that engages with the engaging protrusion (34) and a through hole (62) through which the profile (K) is inserted. The second transmissions (6) are disposed respectively, and the transmissions (5) and (6) are supported on the frame (4) so as to be vertically movable, and on both sides of the transmissions (5) and (6). And plate guide bodies (7) (7) having through holes (7a) (7a) through which the profile (K) is inserted.

Also, the movable mold (2) is provided on the frame (4).
The push-back body (8) facing the lower end in the moving direction of (3)
(8) is movably supported, and these push-back bodies (8)
Return spring (9) between (8) and said frame (4)
The movable molds (2) and (3) are always elastically pressed upward in the moving direction with the interposition of (9).

Further, the shearing device (B) of the present invention includes a shearing die (A) configured as described above and a moving device (10) such as a press for moving the movable dies (2) and (3) downward. The ram (10a) of the moving device (10) and each of the transmissions (5)
(6) first and second sliders (41) interposed between the first and second sliders (41)
(42), the movement of the ram (10a) is selectively transmitted to the first and second movable dies (2) and (3) to allow the first and second movable dies (2) and (3) to move. ) For selectively operating one of the shearing dies (A) and the table (10) in the moving device (10).
b) is fixed.

The selecting device (40) includes the sliders (41) and (42) facing the upper surfaces of the transmissions (5) and (6), and a fluid pressure cylinder (43) for laterally moving the sliders (41) and (42).
(44), a plurality of transmission projections (41a) and (42a) on the lower surface of each of the sliders (41) and (42), and a plurality of passive projections on the upper surface of each of the conductors (5) and (6). The projections (53) and (63) are provided in the moving directions of the sliders (41) and (42) so that the movement of the ram (10a) is maintained even if the sliders (41) and (42) are pressurized in this inconsistent state. Without being transmitted to the transmissions (5) and (6), one of the sliders (41) and (42) is moved so that one of the transmission projections (41a) and (42a) is connected to one of the passive projections (53) and (63). The ram (10a)
Is transmitted to one of the conductors (5) or (6).

The cutting device (A) according to the present invention has a moving device (1) as described above.
0), and the shearing device (B) is disposed in the middle of the transfer line (C) as shown in FIG. 8 and the inlet side of the transfer line (C). The shape material (K) such as a grooved steel with a lip conveyed from the (right) is inserted into each of the insertion portions (11) of the fixed die (1) and the movable die (2) (3) in the shearing die (A). (21) Insert the through holes (52), (62), and (7a) into the through holes (52), (7a), and move the first movable mold (2) as described later in detail to remove the excess of the profile (K). In this case, the leading end is sheared, and the second movable die (3) is moved to shear the extra rear end of the profile (K). A table (10b) of the moving device (10) in the shearing device (B) has a first hole for drilling a through hole in the upper surface of the profile (K) that has passed through the shearing die (A). A mold (70) and two second drilling dies (71) for forming through holes in one side and the other side of the profile (K).
(71), and the first and second drilling dies (7
0) between the ram (10a) and the selection device (4).
0), a slider of a selection device (not shown) similar to that described above is arranged, and the movement of the ram (10a) is selectively transmitted to the first and second punching dies (70, 71). Then, one of the first and second punching dies (70, 71) is selectively operated. Further, an intermediate cutting die (7) for shearing the middle of the profile (K) in the longitudinal direction is provided at the outlet side of the shearing device (B) in the transport line (C).
2) and a press machine (73) for moving the movable mold of the intermediate cutting mold (72), and the amount of movement of the profile (K) is set to the inlet side and the outlet side of the shearing device (B). A pair of measuring rolls (74) to be detected and a pair of feed rolls (75) for controlling the amount of movement of the profile (K) based on an output signal from the measuring roll (74) are provided.

In FIG. 8, (76) indicates the shearing mold (A) and the first mold (A).
A tip reference gauge stopper disposed on the transport line between the punching die (70), (77) is a rear end detector of the profile (K), and (78) is a profile (K) after drilling. Advanced detector,
(79) is a dispensing lifter that dispenses the profile from the exit side of the transport line to the side.

Next, the production of two perforated products as shown in FIG. 9 from a commercially available fixed-length profile (K) will be described.

In FIG. 6, a section material (K) such as a lip-shaped grooved steel with a fixed length conveyed from the entrance side (right side) to the exit side of the conveyance line (C) is inserted into each of the insertion portions in the shearing mold (A). (11) After passing through (21) (31) and the through holes (52) (62) and (7a), the tip position of this profile (K) is detected by the tip reference gauge stopper (76), and the feed roll The movement of the profile (K) by (75) stops, and then the fluid pressure cylinder (44) of the selection device (40) operates, and the second slider (42) moves forward to move the second slider (42). ) Is opposed to the passive projection (63) of the second transmission (6), and the moving device (10) is operated to move the ram (10a).
Moves down. Due to the movement of the ram (10a), the second movable die (3) is pressurized via the second slider (42) and the second transmission body (6), and the second movable die (3) is moved obliquely downward. The extra tip of the profile (K) is moved to the second
It is sheared by the fixed blade edge (13) and the second movable blade edge (32). In this case, the long portion of the profile (K) is the sixth portion.
As shown in the figure, it is received by the first insertion portion (11) of the fixed die (1), and the extra short end is pressed by the second movable die (3) and moves downward, thereby forming a product. It is possible to prevent the tip shear portion of the long portion from bending downward or the shearing surface from becoming an inclined end surface.

When the shearing of the tip ends, the second slider (42) retreats, and the shape (K) moves forward by a predetermined length by the feed roll (75) and stops.
The slider of the selection device corresponding to the first punching die (70) moves forward, and the ram (10a) moves. Then, due to the movement of the ram (10a), the movable die of the first punching die (70) is pressed and moved, and a through hole is formed in the upper surface of the profile (K).

When the drilling of the upper surface is completed, the slider of the selecting device (not shown) moves backward, and the shape member (K) moves by a predetermined length by the feed roll (75) and stops. The slider of the selection device corresponding to the morning mold (71) moves forward, and the ram (10a) moves. The movement of the ram (10a) causes the second hole forming die (7
The movable mold of 1) moves by being pressurized, and through holes are formed in one side and the other side of the profile (K).

When the drilling of the through hole is completed, the slider of the selection device (not shown) moves backward, and the shape member (K) moves forward by a predetermined length by the feed roll (75). The tip position of (K) is detected by the tip detector (78), and the material (K) is formed by the feed roll (75).
Stops, and then the intermediate portion of the profile (K) is sheared by the intermediate cutting die (72).

When the shearing of this intermediate part is completed, the feed roll (7
5), the profile (K) moves forward by a predetermined length,
As described above, through holes are sequentially formed in the upper surface and both side surfaces of the profile (K) by the first hole forming die (70) and the second hole forming die (71).

When the rear end position of the profile (K) is detected by the rear end detector (77), the profile (K) stops at a position where the rear end is close to the shearing mold (A). Then, the fluid pressure cylinder (43) of the selection device (40) operates, the first slider (41) moves forward, and the transmission projection (41a) of the first slider (41) is moved to the first transmission body. (5) Passive protrusion (53)
And the moving device (10) operates to move the ram (10a) downward. Due to the movement of the ram (10a), the first movable mold (2) is pressurized via the slider (41) and the first transmission body (5), and the first movable mold (2) moves obliquely downward. The extra rear end of the profile (K) is sheared by the first fixed blade edge (12) and the first movable blade edge (22). In this case, the long portion of the profile (K) is received by the first insertion portion (11) of the fixed die (1), and the extra short rear end is pressed by the first movable die (2). As a result, the rear end shearing portion of the long portion serving as a product can be prevented from curving downward, or from having an inclined end surface due to a shearing surface. When the shearing of the tip ends, the first slider (41) retreats,
The profile (K) is moved to the exit side of the transport line (C) by the feed roll (75), and the payout lifter (79) operates to move the profile (K) from the transport line (C) to the side. It is paid out.

As described in the embodiment, the first and second movable dies (2) of the shearing dies (A) are used for the profiled material having a vertically thick wall, such as a lip-shaped grooved steel and an H-shaped steel. )
(3) needs to be configured to be movable diagonally downward,
For a profile material such as an angle iron that can avoid forming a long wall in the vertical direction if it is conveyed in the shape of an "H", the first and second movable mold parts (3) are moved obliquely. Instead, it can be moved downward in the vertical direction.

(Effect of the Invention) As described above, the shearing mold of the present invention has the first insertion portion (11) through which the profile is inserted, and the first and second insertion portions (11) are provided at both ends in the insertion direction of the first insertion portion (11). It has one fixed type (1) provided with fixed blade edges (12) and (13) and a second insertion portion (21) corresponding to the first insertion portion (11). It has a first movable die (2) provided with a first movable blade edge (22) and a second insertion part (31) corresponding to the first insertion part (11). Since it has the second movable die (3) provided with the second movable blade edge (32), the first movable part (11) of the fixed die (1) receives the long part of the shape member. By operating the second movable die (3) to pressurize and shear the excess tip of the profile, the profile can be fed forward without being inverted, and the fixed die (1) can be moved forward. The first insertion part (11) of the long part of the profile When the first movable die (2) is operated, the excess rear end of the profile can be pressed and sheared, so that the sheared portion of the profile is curved or the shear surface is inclined. You can avoid doing that. In this way, the leading edge and the trailing edge can be cut forward, so that mass production can be achieved and cost can be reduced, and a wide space for reversing the profile as in the related art is not required.

Further, according to the shearing device of the present invention, by selecting one of the first and second movable dies (2) and (3) by the selection device (40), the selected movable device (10) can be used by one moving device (10). Only the mold is reliably operated, and the leading and trailing edges of the profile can be cut. Therefore, it is possible to cut the front end and the rear end in order, and mass production can be performed, and since only one moving device may be used, the cost of the entire device can be reduced, and the device can be reduced in size and no reversing space is required. Along with this, a wide space is not required.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view showing an embodiment of the shearing mold and the shearing device of the present invention, FIG. 2 is a sectional view taken along the line II-II of FIG.
The figure is a sectional view taken along the line III-III in FIG. 1, and the figure IV-IV is a figure 2 in FIG.
5, FIG. 5 is a sectional view taken along the line VV of FIG. 2, FIG. 6 is a schematic explanatory view of a front end cut, FIG. 7 is a schematic explanatory view of a rear end cut, FIG. 9 is a perspective view of a profile, FIG. 10 is an explanatory view of a conventional example, FIG. 11 is an explanatory view corresponding to FIG. 6 of the related art, and FIG. 12 is an explanatory view corresponding to FIG. . (1) ... fixed type (11) ... first insertion portion (12) ... first fixed blade edge (13) ... second fixed blade edge (2) ... first movable type (21) ... Second insertion portion (22) First movable blade edge (3) Second movable type (31) Second insertion portion (32) Second movable blade edge (A) Shearing type (10)… Moving device (40)… Selection device

Claims (2)

(57) [Claims] A first insertion portion (11) through which a profile is inserted;
A fixed die (1) having first and second fixed blade edges (12) and (13) at both ends in the insertion direction of the first insertion portion (11);
A first movable mold (2) having a second insertion portion (21) corresponding to the insertion portion (11), and having a first movable blade edge (22) provided in the second insertion portion (21); A second movable mold (3) having a second insertion portion (31) corresponding to the insertion portion (11), and having a second movable blade edge (32) in the second insertion portion (31); A first movable mold (2) is arranged on one side of the fixed mold (1), and a second movable mold (3) is arranged on the other side of the fixed mold (1). (2) A shearing mold characterized in that (3) is separately movable with respect to the fixed mold (1). 2. A first insertion part (11) through which a profile is inserted,
A fixed die (1) having first and second fixed blade edges (12) and (13) at both ends in the insertion direction of the first insertion portion (11);
A first movable mold (2) having a second insertion portion (21) corresponding to the insertion portion (11), and having a first movable blade edge (22) provided in the second insertion portion (21); A second movable mold (3) having a second insertion portion (31) corresponding to the insertion portion (11), and having a second movable blade edge (32) in the second insertion portion (31); A first movable mold (2) is arranged on one side of the fixed mold (1), and a second movable mold (3) is arranged on the other side of the fixed mold (1). (2) A shearing mold (A) in which (3) is separately movable with respect to the fixed mold (1), and a moving device (10) for moving the first and second movable molds (2) and (3). )When,
The movement of the moving device (10) is selectively transmitted to the first and second movable dies (2) and (3) so that the first and second movable dies (2) and (3) are transmitted.
A selection device (40) for selectively operating one of the movable dies (2) and (3).