JP6039746B1 - Parts manufacturing equipment - Google Patents

Abstract

An object of the present invention is to provide a component manufacturing apparatus and a component manufacturing method capable of forming a horizontal hole in a workpiece by a simple process using a tapping force by a punch. A die block 14 having a die 13 and a punch block 16 having a punch 15 are provided, the punch block 16 is moved relative to the die block 14, and a workpiece W held by the die 13 is punched. In the part manufacturing apparatus 1 that manufactures a part CP having a predetermined shape by tapping 15 and forging the workpiece W, the die block 14 is operated by receiving the tapping force of the punch 15 and subjected to forging. A horizontal hole forming unit 34 for forming a horizontal hole (through hole WH) in a direction orthogonal to the axial direction of the workpiece W is provided in the workpiece W. [Selection] Figure 10

Description

The present invention relates to a component manufacturing equipment for manufacturing the predetermined shape component is subjected to forging molding the workpiece by the die and the punch.

  A parts manufacturing apparatus known as a name such as a former or a header manufactures parts such as screws and bolts by forging a work formed by cutting out a metal wire. Such a component manufacturing apparatus has a die block having a die and a punch block having a punch, and moves the punch block relative to the die block, and strikes the work held by the die with a punch. The workpiece is forged (see, for example, Patent Document 1 below).

JP 2000-301274 A

  However, in the above-described conventional component manufacturing apparatus, when trying to form a horizontal hole (through hole or recessed hole) in a direction orthogonal to the axial direction of the workpiece, the workpiece subjected to a series of forging is used as the component manufacturing apparatus. The process of forming a horizontal hole by holding the workpiece with a separately prepared jig is necessary. For this reason, there existed a problem that workability | operativity was bad and the improvement of productivity was prevented.

Accordingly, the present invention aims at providing a component manufacturing equipment that can form a lateral hole in the work in a simple process using a beating force by the punch.

The component manufacturing apparatus of the present invention includes a die block having a die and a punch block having a punch, the punch block is moved relative to the die block, and the workpiece held by the die is transferred to the punch. A component manufacturing apparatus that manufactures a part having a predetermined shape by hitting with a die and forging the workpiece. The die block is operated by receiving the punching force of the punch, and the forging is performed. A horizontal hole forming means for forming a horizontal hole in a direction orthogonal to the axial direction of the work is provided in the work , the horizontal hole forming means being struck by the punch and moving in the tapping direction, and the tapping A second moving body that is pressed by the first moving body that moves in a direction and moves in a direction perpendicular to the tapping direction, and extends from the second moving body, and is subjected to the forging molding. And a extending portion that forms the lateral hole in the workpiece to collide with the tip portion to the workpiece.

The component manufacturing apparatus of the present invention includes a die block having a die, and a punch block with a punch, said punch block is moved relative to the die block, the work which the die is held A component manufacturing apparatus for manufacturing a part having a predetermined shape by hitting with a punch and subjecting the workpiece to forging, and the die block is actuated by receiving the punching force of the punch, and the forging is performed. Further, a horizontal hole forming means for forming a horizontal hole in a direction perpendicular to the axial direction of the work is provided on the work, and the horizontal hole forming means is configured as a unit that is detachably attached to a die attaching portion in the die block .

  According to the present invention, it is possible to form a horizontal hole in a workpiece by a simple process using a tapping force by a punch.

Sectional drawing of the component manufacturing apparatus in one embodiment of this invention (A) (b) (c) (d) The figure which shows the flow of the component manufacture by the component manufacturing apparatus in one embodiment of this invention Sectional drawing of a part of component manufacturing apparatus in one embodiment of the present invention 1 is an exploded sectional view of a part of a component manufacturing apparatus according to an embodiment of the present invention. Sectional drawing of a part of component manufacturing apparatus in one embodiment of the present invention (A) perspective view (b) exploded perspective view of a horizontal hole forming unit provided in a component manufacturing apparatus according to an embodiment of the present invention The disassembled perspective view of a part of horizontal hole formation unit with which the component manufacturing apparatus in one embodiment of this invention is equipped (A) (b) Sectional drawing of the workpiece holding body and side hole formation unit with which the component manufacturing apparatus in one embodiment of this invention is equipped (A) (b) The perspective view of a part of component manufacturing apparatus in one embodiment of the present invention (A) (b) The perspective view of a part of component manufacturing apparatus in one embodiment of the present invention (A) (b) Sectional drawing of a part of component manufacturing apparatus in one embodiment of the present invention (A) sectional view (b) exploded sectional view of a part manufacturing apparatus in one embodiment of the present invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Explanatory drawing of operation | movement of the components manufacturing apparatus in one embodiment of this invention Sectional drawing of a part of component manufacturing apparatus in the modification of one embodiment of this invention

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a component manufacturing apparatus 1 according to an embodiment of the present invention, and the left-right direction of FIG. 1 corresponds to the left-right direction of the component manufacturing apparatus 1. 1 corresponds to the front of the component manufacturing apparatus 1 (front side as viewed from the operator OP), and the upper side of the sheet corresponds to the rear of the component manufacturing apparatus 1 (back side as viewed from the operator OP). Equivalent to.

  In FIG. 1, the component manufacturing apparatus 1 performs a forming process stepwise on a workpiece W (FIG. 2A) formed by cutting a metal wire SZ into a predetermined length L, and thereby a screw, a bolt, or the like. Manufacture parts. Therefore, the component manufacturing apparatus 1 includes a wire rod feed mechanism 11 that feeds out the metal wire rod SZ, a cutter 12 that cuts the metal wire rod SZ that the wire rod feed mechanism 11 feeds into a length L, a die block 14 that includes a plurality of dies 13, A punch block 16 having a punch 15 and a parts delivery mechanism 17 for delivering the workpiece W between the dies 13 are provided. The punch block 16 is driven in the left-right direction by the punch block driving mechanism 16M (arrow A shown in FIG. 1), and the operation of approaching and separating from the die block 14 is repeated alternately.

  In the component manufacturing apparatus 1, the first forging (drawing) is performed on the workpiece W cut into the length L by the operation of bringing the punch block 16 close to the die block 14, and the drawn portion WB is formed on one end side of the workpiece W. 2 (FIG. 2B), the second head forming (upsetting) is performed on the other end side of the workpiece W to form the head WT (FIG. 2C). Finally, a lateral hole (here, a through hole WH) that is a hole in a direction orthogonal to the axis of the workpiece W is formed in the narrowed portion WB of the workpiece W. As a result, a component CP as a finished product is manufactured (FIG. 2D). The component CP manufactured in such a process is, for example, a pin member such as a clevis pin used for a connecting portion of a crank mechanism.

  3 and 4, the plurality of dies 13 included in the die block 14 includes a first die 31 and a second die 32. The die block 14 is fixed to a gantry (not shown), and has four die attachment portions 20 as attachment portions of the die 13 (FIG. 4). The four die attachment portions 20 are composed of a first die attachment portion 21, a second die attachment portion 22, a third die attachment portion 23, and a fourth die attachment portion 24 from the rear. The first die 31 is attached in the first die attachment portion 21, and the second die 32 is attached in the second die attachment portion 22. A work holder 33 for holding the work W is attached to the third die attachment part 23, and a horizontal hole forming unit 34 as a horizontal hole forming means is attached to the fourth die attachment part 24.

  3 and 4, a wire feed passage 14T that is a passage of the metal wire SZ sent from the wire feed mechanism 11 is provided in the rear portion of the die block 14 (the rear portion of the first die attachment portion 21). Yes. The cutter 12 is provided at the rear left end of the die block 14, and includes a fixed-side cutter 12a fixed to the die block 14 and a moving-side cutter 12b that moves relative to the fixed-side cutter 12a in the front-rear direction. When the metal wire SZ passes through the wire rod paths provided in the fixed cutter 12a and the movable cutter 12b (the wire rod paths are formed concentrically with the wire feed passage 14T), the movable cutter 12b moves forward. 3 (arrow B shown in FIG. 3), the cutting surface (right surface) of the moving cutter 12b moves relative to the cutting surface (left surface) of the fixed cutter 12a, and the metal wire SZ is cut.

  The wire feeding mechanism 11 stops the feeding operation of the metal wire SZ when the length of the metal wire SZ from the cut surface of the moving cutter 12b becomes L (FIG. 3). The moving-side cutter 12b moves forward when the feeding operation of the metal wire SZ by the wire feeding mechanism 11 is stopped, whereby the metal wire SZ having a length L is cut out as a workpiece W.

  In FIG.1 and FIG.3, the pusher 11P is provided in the front position of the cutter 12 of the die block 14. FIG. The pusher 11P is movable in the left-right direction. When the pusher 11P moves to the left from the standby position shown in FIGS. 1 and 3 (arrow C shown in FIG. 1), the tip (left end) is the left end surface of the die block 14. Protrudes to the left.

  3 and 4, a first work receiving hole 31 h for receiving the work W is provided inside the first die 31. The first work receiving hole 31h has a shape that also serves as a mold for forming the narrowed portion WB in the work W cut to a length L. Inside the second die 32, a second workpiece receiving hole 32h for receiving the workpiece W is provided. The second workpiece receiving hole 32h extends from the left side of the second die 32 by a length necessary to form the head WT in a state where the workpiece W on which the throttle portion WB is formed receives the throttle portion WB side. Project the workpiece W. Inside the work holding body 33, a third work receiving hole 33h for receiving the work W is provided. The third work receiving hole 33h projects the head WT of the work W from the left end of the work holding body 33 in a state where the work W on which the head WT is formed receives the narrowed portion WB side.

  In FIG. 5 (enlarged view of the region RD in FIG. 3) and FIGS. 6A and 6B, the horizontal hole forming unit 34 has a cylindrical shape that is detachably mounted in the fourth die mounting portion 24 of the die block 14. A base body 41, a first moving body 42 that moves in the left-right direction with respect to the base body 41, and a second moving body 43 that moves in the front-rear direction (that is, a direction orthogonal to the left-right direction) with respect to the base body 41. And an extending member 44 (extending portion) extending from the second moving body 43. That is, the horizontal hole forming unit 34 is configured as a unit that can be attached to and detached from the die attachment portion 20 (fourth die attachment portion 24) that is an attachment portion of the die 13 in the die block 14.

  6 (a) and 6 (b), the base body 41 includes a cylindrical member 41a and two disk-like members 41b attached to the left and right ends of the cylindrical member 41a, and has a space (internal space 41S) therein. have. The first moving body 42 includes four front and rear rod members 51 extending in the left-right direction through the two disk-shaped members 41 b and the rear of the four rod members 51. A pair of upper and lower push members 52 attached to the middle part of each of the two rod members 51, and a pair of upper and lower return members 53 attached to the middle parts of the two front rod members 51 of the four rod members 51. (See also FIG. 5).

  5 and 6A, the protruding amounts of the four rod members 51 protruding leftward from the left disk-like member 41b are all equal, and the protruding portions of the rightwardly protruding portions of the right disk-like member 41b are the same. The amount of protrusion is all equal. The pair of upper and lower push members 52 are located in the internal space 41 </ b> S of the base body 41. The pair of upper and lower return members 53 are located in the inner space 41S of the base body 41 and to the right of the two upper and lower push members 52 (FIGS. 5 and 6A, 6B).

  5 and 6A and 6B, the second moving body 43 is located in the internal space 41S of the base body 41, and has a pair of operation portions 43F on the upper and lower surfaces. The upper operation portion 43F is located between the upper push member 52 and the upper return member 53, and the lower operation portion 43F is located between the lower push member 52 and the lower return member 53. ing. As shown in FIG. 7, each of the pair of upper and lower push members 52 has a push member-side inclined surface 52 </ b> M whose normal line is directed to the right rear, and each of the pair of upper and lower return members 53 has the normal line directed to the left front. It has a return member side inclined surface 53M.

  In FIG. 7, the upper and lower operation portions 43F each have a first slope 43A in surface contact with the push member side slope 52M and a second slope 43B in surface contact with the return member side slope 53M. The first slope 43A and the second slope 43B are parallel to each other, and the left and right end faces of the second moving body 43 are in contact with the inner surfaces of the two disk-shaped members 41b, respectively (FIG. 5). For this reason, the 2nd mobile body 43 cannot move to the left-right direction, but can only move to the front-back direction.

  6A, 6 </ b> B, and 7, the extending member 44 is provided to extend rearward from the rear portion of the second moving body 43. The extending member 44 protrudes rearward through a slit portion 41L provided in the left-right direction on the rear surface side of the cylindrical member 41a of the base body 41 (see also FIG. 5).

  As shown in FIGS. 4 and 5, the die block 14 is provided with a groove portion 14 </ b> M that communicates the third die attachment portion 23 and the fourth die attachment portion 24 and opens to the left of the die block 14. 8 (a), 8 (b), 9 (a), 9 (b) and 10 (a), 10 (b), the work holder 33 has an opening in the front, and a third work receiving hole. An extending member passage 33K extending through the rear 33h from the front to the rear is provided. The extending member 44 provided in the second moving body 43 extends in the extending member passage 33K from the groove portion 14M (see also FIG. 5).

  The rear end of the extending member passage 33K communicates with a disposal hole 33G provided in the work holder 33 (FIGS. 5, 8A, 8B, 9A, 9B, FIG. 9). 10 (a), (b)). As shown in FIGS. 9A, 9B, 10A, and 10B, the disposal hole 33G is formed in the die-side disposal passage 33H and the die block 14 formed in the work holder 33. It communicates with the outside of the die block 14 via the die block side discard passage 14H.

  The horizontal hole forming unit 34 is attached to the fourth die attaching portion 24 in a state where the extending member 44 is inserted into the extending member passage 33K formed in the work holding body 33 (FIG. 8A → FIG. 8). b)), simultaneously with the attachment of the work holder 33 to the third die attachment portion 23 (FIG. 4). At this time, the extending member 44 inserted into the extending member passage 33K enters the groove portion 14M from the left side of the die block 14.

  In a state in which the horizontal hole forming unit 34 is attached to the fourth die attachment portion 24, the first assembly includes four rod members 51, a pair of upper and lower push members 52 attached to the four rod members 51, and a pair of upper and lower return members 53. One moving body 42 can move in the left-right direction within the internal space 41 </ b> S of the base body 41. The first moving body 42 has a “left position” (FIG. 9A and FIG. 10A) that is the leftmost position in the internal space 41S and the rightmost position in the internal space 41S. It is selectively located at any position of “right position” (FIG. 9B and FIG. 10B), which is a position located at.

  When the first moving body 42 moves from the “left position” to the “right position” (FIG. 11A → FIG. 11B), the second moving body 43 moves the pair of upper and lower operation portions 43F. However, as described above, the second moving body 43 cannot move in the left-right direction. For this reason, the second moving body 43 includes two parallel inclined surfaces (first inclined surface 43A and second inclined surface 43B) included in each operation unit 43F, and a return member 53 side inclined surface (a pressing member side inclined surface 52M). It moves backward in the internal space 41S of the base body 41 while sliding with respect to the side slope (the return member side slope 53M).

  On the other hand, when the first moving body 42 moves from the “right position” to the “left position” (FIG. 11 (b) → FIG. 11 (a)), the second moving body 43 has a pair of upper and lower operation units. Although the left and right pressing force is received from the pair of upper and lower return members 53 via 43F, the second moving body 43 cannot move in the left-right direction. Therefore, the second moving body 43 slides the first slope 43A and the second slope 43B of the operation portion 43F with respect to the push member-side slope 52M and the return member-side slope 53M, and within the internal space 41S of the base body 41. Move forward. Hereinafter, the position where the second moving body 43 has moved backward is referred to as “moving position”, and the position where the second moving body 43 has moved forward is referred to as “return position”.

  When the second moving body 43 moves from the “return position” to the “movement position”, the extension member 44 moves rearward in the extension member passage 33K (FIG. 11A → FIG. 11B). At this time, the distal end portion of the extending member 44 crosses the third work receiving hole 33h and is located behind the third work receiving hole 33h (FIGS. 9B and 10B). On the other hand, when the second moving body 43 moves from the “movement position” to the “return position”, the extension member 44 moves forward in the extension member passage 33K (FIG. 11B → FIG. 11A). ). At this time, the distal end portion of the extending member 44 crosses the third work receiving hole 33h and is positioned in front of the third work receiving hole 33h (FIGS. 9A and 10A).

  1, 3 and 4, a first cylinder 61 is provided on the right side of the first die 31, and the left end of the rod (first cylinder rod 61 </ b> R) included in the first cylinder 61 is the first work receiving member. It is located in the hole 31h. A second cylinder 62 is provided on the right side of the second die 32, and the left end of the rod of the second cylinder 62 (second cylinder rod 62R) is located in the second workpiece receiving hole 32h. A third cylinder 63 is provided on the right side of the work holder 33, and the left end of the rod (third cylinder rod 63R) of the third cylinder 63 is located in the third work receiving hole 33h. A fourth cylinder 64 is provided on the right side of the horizontal hole forming unit 34, and the left end of the rod (fourth cylinder rod 64 </ b> R) of the fourth cylinder 64 is located on the right side of the horizontal hole forming unit 34. An extrusion pad 64P is provided at the left end of the fourth cylinder rod 64R.

  In FIG. 1 and FIGS. 12A and 12B, the punch block 16 is provided to the left of the die block 14 so as to be movable in the left-right direction by a punch block drive mechanism 16M. Four punch mounting portions 70 are provided. The four punch attachment portions 70 are composed of a first punch attachment portion 71, a second punch attachment portion 72, a third punch attachment portion 73, and a fourth punch attachment portion 74 in order from the rear, and a plurality of punches 15 provided in the punch block 16 are provided. Consists of a first punch 81, a second punch 82, a third punch 83 and a fourth punch 84. The first punch 81 is provided in the first punch attachment portion 71, and the second punch 82 is provided in the second punch attachment portion 72. The third punch 83 is provided in the third punch attachment portion 73, and the fourth punch 84 is provided in the fourth punch attachment portion 74.

  12A and 12B, the first punch 81 has a flat right end surface and holds a punch rod 81R extending in the left-right direction. The right end portion of the punch rod 81R projects rightward from the right end surface of the first punch 81. The second punch 82 has a head forming die 82K for forming the head WT on the workpiece W on the right end surface formed in a plane. The third punch 83 includes a holding member 83b having a right end surface formed in a flat surface and a biasing spring 83c provided in contact with the left end of the holding member 83b in a housing path 83a extending in the left-right direction. . The fourth punch 84 has a flat right end surface.

  In FIG. 1, the component delivery mechanism 17 includes three fingers (first finger F1, second finger F2, and third finger F3) that are arranged at equal intervals in the front-rear direction. The two fingers F2 and the third finger F3 are each opened and closed in the front-rear direction by an opening / closing mechanism (not shown). The first finger F1, the second finger F2, and the third finger F3 are integrally moved in the front-rear direction.

  Next, a procedure (part manufacturing method) for manufacturing a part having a predetermined shape by the part manufacturing apparatus 1 according to the present embodiment will be described. The component manufacturing apparatus 1 includes a wire feed mechanism 11, a pusher 11P, a cutter 12, a punch block drive mechanism 16M, a component delivery mechanism 17, a cylinder (first cylinder 61, second cylinder 62, third cylinder 63, and fourth cylinder). 64) and the like are sequentially driven through a power transmission mechanism, a control mechanism, etc. (not shown) to continuously manufacture parts.

  In the manufacture of the component CP by the component manufacturing apparatus 1, first, the wire feeding mechanism 11 sends the metal wire SZ to the left through the wire feeding passage 14T of the die block 14, and the cutter 12 cuts the metal wire SZ (FIG. 13). → FIG. 14), a workpiece W (FIG. 2A) having a predetermined length L is cut out (wire cutting step; FIG. 14). The moving cutter 12b cuts out the workpiece W, and then moves the workpiece W to the left of the pusher 11P by a forward movement operation (FIG. 14). The pusher 11P moves to the left when the workpiece W is positioned to the left, and pushes the workpiece W to the left of the moving cutter 12b (FIG. 15). The workpiece W pushed to the left of the moving cutter 12b is held in advance by the first finger F1 located on the left side of the pusher 11P, and then the first finger F1 moves forward to move the first die 31 of the first die 31. It is located on the left (FIG. 16).

  When the workpiece W is positioned on the left side of the first die 31, the punch block driving mechanism 16M drives the punch block 16 to the right to move it in the direction approaching the die block 14. As a result, the first punch 81 pushes the workpiece W into the first workpiece receiving hole 31h while pushing the workpiece W into the first workpiece receiving hole 31h by the punch rod 81R, and strikes the workpiece W. By this tapping, the workpiece W is press-fitted into the mold of the first workpiece receiving hole 31h and subjected to the first forging, and a workpiece (FIG. 2 (b)) having the drawn portion WB is generated (drawed portion forming step). FIG. 17).

  When the first forging is performed on the workpiece W, the punch block driving mechanism 16M drives the punch block 16 to the left to move it away from the die block 14. As a result, when the tip of the punch rod 81R is pulled out from the first work receiving hole 31h to the left, the first cylinder 61 advances the first cylinder rod 61R to the left, and moves the work W in the first work receiving hole 31h. Extruding to the left of the first die 31 (drawing part forming work extrusion step; FIG. 18). The workpiece W pushed to the left of the first die 31 is sandwiched in advance by the second finger F2 positioned to the left of the first die 31 (FIG. 18), and then the second finger F2 moves forward. , Located to the left of the second die 32 (FIG. 19). The first cylinder 61 pushes the workpiece W to the left of the first die 31, and then retracts the first cylinder rod 61R to return it to the original position (FIG. 19).

  When the workpiece W is positioned on the left side of the second die 32, the punch block driving mechanism 16M drives the punch block 16 to the right to move it in the direction approaching the die block 14. As a result, the second punch 82 abuts the workpiece W from the left side, pushes it into the second workpiece receiving hole 32h, and strikes the left end portion of the workpiece W. By this tapping, the workpiece W is subjected to the second forging by the head forming die 82K, and the workpiece W having the head WT (FIG. 2C) is generated (head forming step, FIG. 20).

  When the second forging is performed on the workpiece W, the punch block driving mechanism 16M drives the punch block 16 to the left to move it away from the die block 14. When the punch block 16 moves to the left, the second cylinder 62 advances the second cylinder rod 62R to the left, and pushes out the workpiece W in the second workpiece receiving hole 32h to the left of the second die 32 (head). Part forming work extrusion process (FIG. 21). The workpiece W pushed out to the left of the second die 32 is previously clamped by the third finger F3 positioned to the left of the second die 32 (FIG. 21), and then the third finger F3 moves forward. The workpiece holder 33 is positioned on the left side (FIG. 22). The second cylinder 62 pushes the workpiece W to the left of the second die 32, and then retracts the second cylinder rod 62R to return it to the original position (FIG. 22).

  When the workpiece W is located on the left side of the workpiece holder 33, the punch block driving mechanism 16M drives the punch block 16 to the right to move it in the direction approaching the die block 14. As a result, the third punch 83 brings the pressing member 83b into contact with the head WT of the work W and pushes it into the third work receiving hole 33h. Then, the head WT of the workpiece W is pressed against the left end surface side of the workpiece holding body 33 while pressing and contracting the biasing spring 83c. As a result, the workpiece W is held by the workpiece holder 33 (FIG. 23).

  Further, when the punch block 16 is driven to the right, the fourth punch 84 strikes the four rod members 51 of the horizontal hole forming unit 34 to the right (FIG. 23). When the fourth punch 84 strikes the four rod members 51 to the right, the first moving body 42 included in the horizontal hole forming unit 34 moves from the “left position” to the “right direction” in the internal space 41S of the base body 41. The second moving body 43 moves from “return position” to “movement position”. As the second moving body 43 moves from the “return position” to the “movement position” in this manner, the extension member 44 moves rearward in the extension member passage 33K. The extension member 44 causes the front end portion (rear end portion) to collide from the front with the narrowed portion WB of the work W held by the work holding body 33, and then passes the front end portion rearward as it is (FIG. 10A). → FIG. 10 (b)). As a result, the narrowed portion WB of the workpiece W is subjected to the horizontal hole forming process, and the workpiece W (FIG. 2D) in which the through hole WH is formed in the narrowed portion WB is generated (horizontal hole forming step; FIG. 23). Metal scrap generated when the extending member 44 penetrates the workpiece W during the formation of the horizontal hole is discarded to the outside of the die block 14 through the discard hole 33G.

  Note that the timing at which the extending member 44 of the horizontal hole forming unit 34 forms the through hole WH in the narrowed portion WB of the work W is such that the work W is completely within the third work receiving hole 33h by the pressing member 83b of the third punch 83. Need to be after being pushed in. For this reason, the amount of protrusion of the pressing member 83b to the right from the right end surface of the third punch 83 is the time when the tip of the extending member 44 of the horizontal hole forming unit 34 crosses the third work receiving hole 33h from the front to the rear. The holding member 83b is set so as to be later than the time when the work W is completely pushed into the third work receiving hole 33h.

  As described above, in the component manufacturing method using the component manufacturing apparatus 1 according to the embodiment, the punch block 16 is moved relative to the die block 14, and the workpiece W held by the die 13 is struck with the punch 15 and pressed into the workpiece W. A horizontal hole forming unit 34 (horizontal hole forming means) that operates by receiving a tapping force by the punch 15 by moving the punch block 16 relative to the die block 14 and performing a molding process (drawing part forming process and head forming process). Thus, a process (horizontal hole forming process) of forming a horizontal hole (through hole WH) in a direction orthogonal to the axial direction of the work W is formed on the work W that has been forged.

  When the hole W is formed on the workpiece W, the punch block drive mechanism 16M drives the punch block 16 to move it to the left. As a result, when the right end surface of the fourth punch 84 is separated from the left end of the four rod members 51, the fourth cylinder 64 advances the fourth cylinder rod 64R to the left, and the four rod members 51 are moved to the left by the pushing pad 64P. (FIG. 24). As a result, the first moving body 42 of the horizontal hole forming unit 34 moves from the “right position” to the “left position”, and the second moving body 43 returns from the “movement position” to the “return position”. The extending member 44 is removed from the narrowed portion WB of the workpiece W (FIG. 10 (b) → FIG. 10 (a)). The fourth cylinder 64 moves the four rod members 51 to the left by the push pad 64P, and then retracts the fourth cylinder rod 64R to return to the original position (see FIGS. 16, 19, and 22).

  When the fourth cylinder 64 moves the four rod members 51 to the left to remove the extending member 44 from the throttle portion WB of the workpiece W, the third cylinder 63 advances the third cylinder rod 63R to the left. The workpiece W in the third workpiece receiving hole 33h is pushed out to the left of the workpiece holder 33. As a result, the part CP as a finished product is discharged from the die block 14 (horizontal hole forming work pushing process, FIG. 24). The third cylinder 63 pushes the workpiece W to the left of the workpiece holder 33, and then retracts the third cylinder rod 63R to return it to the original position (see FIGS. 16, 19, and 22).

  The component manufacturing apparatus 1 can continuously manufacture the component CP by repeating the above-described series of steps. However, at the same time as the drawing portion forming step (FIG. 17), the wire cutting process for the next workpiece W (FIG. 14). By executing (see), it is possible to efficiently produce the part CP.

  As described above, the component manufacturing apparatus 1 according to the present embodiment includes the die block 14 including the die 13 and the punch block 16 including the punch 15, and the punch block 16 is attached to the die block 14. A workpiece having a predetermined shape is manufactured by relatively moving the workpiece W held by the die 13 and punching the workpiece W with a punch 15. Then, the side hole forming unit 34 that operates by receiving the striking force of the punch 15 in the die block 14 and forms a horizontal hole (through hole WH) in a direction orthogonal to the axial direction of the workpiece W is formed on the workpiece W subjected to forging. By providing (horizontal hole forming means), the horizontal hole can be formed in the workpiece W by a simple process using the tapping force by the punch 15. For this reason, according to the component manufacturing apparatus 1 in the present embodiment, it is possible to shorten the process required for manufacturing the component CP with the horizontal hole, and to improve the productivity of the component CP. In addition, since a jig for holding the workpiece W is not required when forming the horizontal hole in the workpiece W, the manufacturing cost can be reduced.

  Here, the horizontal hole forming unit 34 may be configured to operate in response to the hitting force of the punch 15 and form a horizontal hole in the workpiece W that has been subjected to forging, and is not necessarily configured as described above. However, as shown in the above-described embodiment, the first hole 42 in which the horizontal hole forming unit 34 is hit by the punch 15 (specifically, the fourth punch 84) and moves in the hitting direction (left and right direction). And a second moving body 43 that is pressed by the first moving body 42 that moves in the tapping direction and moves in a direction (front-rear direction) perpendicular to the tapping direction, and extends from the second moving body 43 and is pressed. If the structure is provided with an extension member 44 (extension part) that forms a horizontal hole (through hole WH) in the work W by causing the tip part to collide with the molded work W, the configuration is as follows. Simple and preferred. In the above-described embodiment, the extending portion that collides the tip portion with the workpiece W that has been formed by forging by being extended from the second moving body 43 is a member that is separate from the second moving body 43. It may be formed as a part of the second moving body 43.

  The horizontal hole forming unit 34 of the component manufacturing apparatus 1 shown in the above embodiment forms the through hole WH penetrating in the direction orthogonal to the axial direction of the workpiece W in the workpiece W. It is also possible to form a recessed hole that is recessed in a direction orthogonal to the axial direction.

  In the above-described embodiment, the horizontal hole forming unit 34 forms a horizontal hole (through hole WH) in the work W as a final process after a series of forging processes on the work W is performed. The formation of the horizontal holes by the forming unit 34 may be performed before a series of forging processes is completed.

  Further, in the above-described embodiment, when the second moving body 43 located at the “movement position” is returned to the “return position”, the fourth cylinder 64 is provided in the horizontal hole forming unit 34 via the extrusion pad 64P. Although the four rod members 51 are moved to the left, instead of such a configuration, for example, a configuration shown in a modified example of FIG. 25 may be used. In the modification shown in FIG. 25, without providing the fourth cylinder 64, the pad member PD and the compression-side spring SP for urging the pad member PD to the left are provided on the right side of the horizontal hole forming unit 34. The pressing force to the left of the four rod members 51 necessary for returning the second moving body 43 from the “moving position” to the “returning position” was reduced when the horizontal hole forming unit 34 moved to the right. It is obtained from the restoring force of the spring SP.

  Further, each punch 15 has a clamping mechanism for clamping the left end portion of the workpiece W, and the punch block 16 can move in the front-rear direction, so that the workpiece W is received between the dies 13. It is also possible to adopt a configuration (so-called fingerless type) in which the handing operation is performed by the punch 15 without using the fingers.

Providing component manufacturing equipment that can form a lateral hole in the work in a simple process using a beating force by the punch.

DESCRIPTION OF SYMBOLS 1 Parts manufacturing apparatus 11 Wire rod feed mechanism 11P Pusher 12 Cutter 12a Fixed side cutter 12b Movement side cutter 13 Die 14 Die block 14T Wire rod feed path 15 Punch 16 Punch block 16M Punch block drive mechanism 17 Component delivery mechanism 20 Die attachment part 21 1st Die mounting portion 22 Second die mounting portion 23 Third die mounting portion 24 Fourth die mounting portion 31 First die 31h First work receiving hole 32 Second die 32h Second work receiving hole 33 Work holder 33h Third work receiving Hole 33K Extension member passage 33G Disposal hole 34 Horizontal hole forming unit (Horizontal hole forming means)
41 Base body 42 1st moving body 43 2nd moving body 43A 1st slope 43B 2nd slope 44 Extension member (extension part)
51 Rod member 52 Push member 52M Push member side slope 53 Return member 53M Return member side slope 61 1st cylinder 61R 1st cylinder rod 62 2nd cylinder 62R 2nd cylinder rod 63 3rd cylinder 63R 3rd cylinder rod 64 4th cylinder 64R Fourth cylinder rod 64P Extrusion pad 70 Punch attachment portion 71 First punch attachment portion 72 Second punch attachment portion 73 Third punch attachment portion 74 Fourth punch attachment portion 81 First punch 81R Punch rod 82 Second punch 82K Head Forming die 83 Third punch 83a Holding path 83b Holding member 83c Energizing spring 84 Fourth punch F1 First finger F2 Second finger F3 Third finger SZ Metal wire W Workpiece WB Restriction part WT Head WH Through hole (Horizontal hole)
CP parts

Claims (2)

A die block having a die and a punch block having a punch, the punch block is moved relative to the die block, and the workpiece held by the die is struck by the punch and pressed into the workpiece. A component manufacturing apparatus that manufactures a component having a predetermined shape by molding,
The die block is operated by receiving a punching force of the punch, and provided with a horizontal hole forming means for forming a horizontal hole in a direction perpendicular to the axial direction of the workpiece on the workpiece subjected to the forging .
The horizontal hole forming means is moved by a first moving body that is struck by the punch and moves in the tapping direction and a direction that is pressed by the first moving body that moves in the tapping direction and is orthogonal to the tapping direction. A second moving body that extends, and an extending portion that extends from the second moving body and collides with a tip of the workpiece subjected to the forging and forming the lateral hole in the workpiece. A device for manufacturing parts. A die block having a die and a punch block having a punch, the punch block is moved relative to the die block, and the workpiece held by the die is struck by the punch and pressed into the workpiece. A component manufacturing apparatus that manufactures a component having a predetermined shape by molding,
The die block is operated by receiving a punching force of the punch, and provided with a horizontal hole forming means for forming a horizontal hole in a direction perpendicular to the axial direction of the workpiece on the workpiece subjected to the forging.
The lateral hole forming means, said die block parts products manufacturing apparatus you characterized in that it is configured as a unit which is detachably attached to the die attach portion in.

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