CN114453891A

CN114453891A - Continuous forming die for binder clip

Info

Publication number: CN114453891A
Application number: CN202210035593.XA
Authority: CN
Inventors: 罗强; 陈浩宇; 赵娟
Original assignee: Wuhan Polytechnic University
Current assignee: Wuhan Polytechnic University
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-05-10
Anticipated expiration: 2042-01-13
Also published as: CN114453891B

Abstract

The invention discloses a continuous forming die of a binder strip and a steel wire for processing the binder strip and the steel wire to continuously form a binder, wherein the binder comprises a binder and a tail handle, the continuous forming die of the binder comprises a lower die holder, an upper die holder, a binder primary forming mechanism, a binder assembly mechanism and a binder forming mechanism, the lower die holder comprises a lower template, the upper die holder comprises an upper template which is arranged opposite to the lower template and movably arranged on the lower template along the vertical direction, a plurality of processing stations are sequentially formed between the upper template and the lower template along the front-back direction, the plurality of processing stations comprise a blanking station, a primary rolling station, a primary bending station, an assembly station and a final forming station, the binder primary forming mechanism is arranged between the upper template and the lower template and corresponds to the blanking station, the primary rolling station and the primary bending station, the binder assembly mechanism is arranged between the upper template and the lower template, and the binder clip forming mechanism is arranged between the upper template and the lower template and corresponds to the final forming station.

Description

Continuous forming die for binder clip

Technical Field

The invention relates to the technical field of long tail clamp processing, in particular to a continuous forming die for a long tail clamp.

Background

The binder clip consists of a clip body and a tail handle, and the production process is generally as follows: the method comprises the following steps of firstly obtaining a clamp body in a plate stamping mode, then obtaining a tail handle in a steel wire bending mode, and finally assembling the clamp body and the tail handle into the long tail clamp. The whole process is divided into three mutually independent procedures of clamp body forming, tail handle forming and long tail clamp assembling, each procedure needs corresponding independent technological equipment and production stations, the related technological equipment is large in quantity and large in production site area, and the problems that the production cost of the long tail clamp is high and the production efficiency is low are caused due to the fact that the clamp body and the tail handle are transferred to the assembling working section.

Disclosure of Invention

The invention mainly aims to provide a continuous forming die for a binder clip, and aims to solve the problems of high production cost and low production efficiency of the conventional binder clip.

In order to achieve the above object, the present invention provides a mold for continuously forming a binder strip and a steel wire, the mold comprising:

the lower die base comprises a lower die plate;

the upper die holder comprises an upper die plate which is arranged opposite to the lower die plate and is movably arranged on the lower die plate along the vertical direction, a plurality of processing stations are sequentially formed between the lower die plate and the upper die plate along the front-back direction, and the plurality of processing stations comprise a blanking station, a primary rolling station, a primary bending station, an assembling station and a final forming station;

the clamp body primary forming mechanism is arranged between the upper template and the lower template and corresponds to the blanking station, the primary rolling station and the primary bending station;

the long tail clamp assembling mechanism is arranged between the upper template and the lower template and corresponds to the assembling station; and the number of the first and second groups,

the binder clip forming mechanism is arranged between the upper template and the lower template and corresponds to the final forming station;

the material plate strip is provided with a plurality of formed bodies correspondingly positioned on a plurality of processing stations, a connecting body is arranged between the adjacent formed bodies, the material plate strip can gradually move on the plurality of processing stations, and the formed bodies on the former processing station can be circulated to the latter processing station after the formed bodies on the former processing station are processed on the two adjacent processing stations in the front-back direction;

in the up-down movable stroke of the upper template, the clamp body primary forming mechanism, the long tail clamp assembling mechanism and the long tail clamp forming mechanism act simultaneously, wherein:

the clamp body primary forming mechanism is used for respectively blanking, primarily rolling and primarily bending the corresponding formed bodies at the blanking station, the primarily rolling station and the primarily bending station so as to form primarily bent formed bodies at least at the primarily bending station;

the long tail clamp assembling mechanism is used for processing a steel wire at the assembling station to form a tail handle, and assembling the tail handle to the primary bending forming body transferred to the assembling station to form a primary assembling forming body;

and the binder clip forming mechanism is used for finally bending and forming the primarily assembled formed body transferred to the final forming station at the final forming station into a finished binder clip.

Optionally, the clip body primary forming mechanism includes:

the blanking assembly is arranged between the upper template and the lower template and corresponds to the blanking station;

the primary rolling assembly is arranged between the upper template and the lower template and corresponds to the primary rolling station; and the number of the first and second groups,

the primary bending assembly is arranged between the upper template and the lower template and corresponds to the primary bending station;

in the up-down moving stroke of the upper die plate, the blanking assembly, the primary rolling assembly and the primary bending assembly act simultaneously, wherein:

the blanking assembly is used for blanking the material plate belt at the blanking station so that the material plate belt partially forms a flattened forming body;

the primary rolling assembly is used for primarily rolling the two side ends of the flattened forming body transferred to the primary rolling station and bending the middle part of the flattened forming body to form a primary rolling forming body;

the primary bending assembly is used for bending the primary rolling formed body transferred to the primary bending station into the primary bending formed body.

Optionally, the blanking assembly comprises a blanking female die and a blanking male die which are matched with each other for blanking, wherein one of the blanking female die and the blanking male die is arranged on the upper die plate, and the other blanking female die is arranged on the lower die plate.

Optionally, the primary rolling assembly comprises:

the top bending female die is arranged on the lower template and corresponds to the primary rolling station;

the top bending male die is arranged on the upper die plate and corresponds to the primary rolling station, and the top bending male die and the top bending female die are matched with each other to bend the middle part of the flattened forming body; and the number of the first and second groups,

and the primary rolling structures are arranged on two sides of the top bending female die and used for primarily rolling two side ends of the flattened forming body to form the primary rolling forming body.

Optionally, the assembling stations comprise assembling sub-stations and two tail handle forming sub-stations on the left and right sides of the assembling sub-stations, and the material plate belt can move on the assembling sub-stations;

the long tail clamp assembly mechanism includes:

the tail handle forming assembly is arranged between the upper template and the lower template, corresponds to the tail handle forming sub-station and is used for forming the steel wire into the tail handle;

the tail handle pushing assembly is arranged between the upper template and the lower template and used for transferring the formed tail handle from the tail handle forming branch station to the assembling branch station and assembling the tail handle onto the primary bending forming body transferred to the assembling branch station to form a primary assembling forming body; and the number of the first and second groups,

and the final rolling assembly is arranged between the upper template and the lower template, corresponds to the assembly sub-station and is used for completely rolling two sides of the primary assembly forming body to form the primary assembly forming body.

Optionally, the caudal stem forming assembly comprises:

the tail handle forming male die is arranged on the lower die plate, is positioned at the tail handle forming sub-station and extends along the left and right directions;

the two tail handle forming female dies are respectively arranged on the front side and the rear side of the tail handle forming male die, and the upper end of each tail handle forming female die is rotatably arranged on the lower die plate along the left-right axis; and the number of the first and second groups,

and the two tail handle forming driving structures are respectively in corresponding driving connection with the lower end of the tail handle forming female die to rotate so as to be tightly attached to the side end of the tail handle forming male die.

Optionally, the caudal peduncle pushing assembly comprises:

each tail handle pushing piece comprises a tail handle pushing block movably mounted on the lower template in the left-right direction and two tail handle pushing rods arranged on the side wall of the tail handle pushing block at intervals, and the tail handle pushing rods are used for being abutted to tail handles; and the number of the first and second groups,

and the two tail handle pushing driving structures are respectively correspondingly and drivingly connected with the tail handle pushing piece and used for driving the tail handle pushing piece to reciprocate between the assembling sub-station and the tail handle forming sub-station.

Optionally, the final rolling assembly comprises:

the final rolling circle compaction structure is arranged between the upper template and the lower template, corresponds to the assembly sub-station and is used for compacting the primary assembly forming body; and the number of the first and second groups,

and the final rolling structure is arranged on two sides of the final rolling compaction structure and used for completely rolling two sides of the primary assembly formed body.

Optionally, binder clip forming mechanism includes the subassembly of bending eventually, the subassembly of bending eventually includes:

the final bending compaction structure is arranged between the upper template and the lower template, corresponds to the final forming station and is used for compacting the initially assembled formed body transferred to the final forming station;

and the final bending structure is arranged on two sides of the final bending compaction structure and is used for finally bending and molding the initial assembly molding body into a finished long tail clamp.

Optionally, the plurality of processing stations further include a cutting splitting station, and the cutting splitting station is located on one side, opposite to the assembling station, of the final forming station;

the continuous forming die for the binder clip further comprises a cutting split assembly used for separating the finished binder clip transferred to the cutting split station from the material plate belt.

According to the technical scheme, the clamp body primary forming mechanism is used for sequentially punching, primarily rolling and primarily bending the material plate belt to form the primary bending forming body, then the long tail clamp assembling mechanism is used for punching a steel wire into a tail handle, the tail handle is conveyed to the assembling station to be assembled with the primary bending forming body at the assembling station to form the primary assembling forming body, and finally the long tail clamp forming mechanism is used for bending the primary assembling forming body into a finished long tail clamp.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a binder clip continuous forming mold according to an embodiment of the present invention;

FIG. 2 is a schematic bottom view of the upper die holder shown in FIG. 1;

FIG. 3 is a schematic perspective view of the clamp body preliminary forming mechanism shown in FIG. 1;

fig. 4 is a perspective view of an angle of the blanking assembly of fig. 3;

fig. 5 is a schematic perspective view of another angle of the blanking assembly of fig. 3;

FIG. 6 is an enlarged partial view of the structure at A in FIG. 4;

fig. 7 is a perspective view of the blanking punch of fig. 4;

FIG. 8 is a schematic perspective view of the primary rolling assembly of FIG. 3;

FIG. 9 is a perspective view of the primary coil of FIG. 8;

FIG. 10 is a schematic perspective view of the primary bend assembly of FIG. 3;

FIG. 11 is an angled perspective view of the binder assembly mechanism of FIG. 1;

FIG. 12 is a perspective view of the caudal stem forming assembly of FIG. 11;

FIG. 13 is a perspective view of the final rolling assembly of FIG. 11;

FIG. 14 is a schematic perspective view of an alternate angle of the binder assembly of FIG. 11;

FIG. 15 is a perspective view of the tail handle pusher of FIG. 11;

FIG. 16 is a schematic perspective view of the binder clip forming mechanism of FIG. 1;

FIG. 17 is a schematic perspective view of the flattened molded body of FIG. 1;

FIG. 18 is a schematic perspective view of the as-rolled molded article of FIG. 1;

FIG. 19 is a schematic perspective view of the preliminary bending form of FIG. 1;

fig. 20 is a schematic perspective view of the primary assembly molded body in fig. 1.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a continuous forming die for a binder clip, and aims to solve the problems of high production cost and low production efficiency of the conventional binder clip. Fig. 1 to 2 are schematic structural views of an embodiment of a binder clip continuous forming mold provided by the present invention, fig. 3 to 10 are schematic structural views of an embodiment of a clip body primary forming mechanism provided by the present invention, fig. 11 to 15 are schematic structural views of an embodiment of a binder clip assembling mechanism provided by the present invention, fig. 16 is a schematic structural view of an embodiment of a binder clip forming mechanism provided by the present invention, and fig. 17 to 20 are schematic structural views of a formed body provided by the present invention.

Referring to fig. 1 to 3, the binder strip continuous forming die 100 is used for processing a material plate strip and a steel wire to continuously form a binder, the binder comprises a binder and a tail handle, the binder continuous forming die 100 comprises a lower die holder 1, an upper die holder 2, a binder preliminary forming mechanism 4, a binder assembling mechanism 5 and a binder forming mechanism 6, the lower die holder 1 comprises a lower die plate 11, the upper die holder 2 comprises an upper die plate 21 which is arranged opposite to the lower die plate 11 and movably mounted on the lower die plate 11 along the vertical direction, a plurality of processing stations 3 are sequentially formed between the lower die plate 11 and the upper die plate 21 along the longitudinal direction, the plurality of processing stations 3 comprise a blanking station 31, a preliminary rolling station 32, a preliminary bending station 33, an assembling station 34 and a final forming station 35, the binder preliminary forming mechanism 4 is arranged between the upper die plate 21 and the lower die plate 11, the strip tail clamp assembling mechanism 5 is arranged between the upper template 21 and the lower template 11 and is arranged corresponding to the assembling station 34, the strip tail clamp forming mechanism 6 is arranged between the upper template 21 and the lower template 11 and is arranged corresponding to the final forming station 35, wherein a plurality of formed bodies 7 corresponding to the plurality of processing stations 3 are formed on the strip material, a connecting body is arranged between the adjacent formed bodies 7, the strip material can gradually move on the plurality of processing stations 3, and the formed body 7 on the former processing station 3 can be transferred to the latter processing station 3 after the processing is finished on the two adjacent processing stations 3 in the front-back direction; in the up-down moving stroke of the upper template 21, the clamp body primary forming mechanism 4, the long tail clamp assembling mechanism 5 and the long tail clamp forming mechanism 6 act simultaneously, wherein: the clamp body primary forming mechanism 4 is configured to perform blanking, primary rounding and primary bending on the corresponding formed body 7 at the blanking station 31, the primary rounding station 32 and the primary bending station 33, respectively, so as to form a primary bent formed body 73 at least at the primary bending station 33; the long tail clamp assembling mechanism 5 is used for processing steel wires at the assembling station 34 to form a tail handle, and assembling the tail handle and a primary bending forming body 73 transferred to the assembling station 34 to form a primary assembling forming body 74; the binder clip forming mechanism 6 is configured to finally bend the preliminary assembly formed body 74 transferred to the final forming station 35 at the final forming station 35 to form a finished binder clip.

According to the technical scheme of the invention, the clamp body primary forming mechanism 4 is used for sequentially punching, primarily rolling and primarily bending the material plate belt to form the primary bent forming body 73, then the long tail clamp assembling mechanism 5 is used for punching a steel wire into a tail handle, the tail handle is transferred to the assembling station 34 to be assembled with the primary bent forming body 73 at the assembling station 34 to form the primary assembled forming body 74, and finally the long tail clamp forming mechanism 6 is used for bending the primary assembled forming body 74 to form a finished long tail clamp. It can be understood that, when the molded bodies 7 on one of the processing stations 3 are connected by the connecting body, the molded bodies 7 on the other processing stations 3 move together to facilitate moving the slab band, so that the slab band moves forward by one station every time the upper die base 2 moves up and down, so that the slab band forms a binder, and thus the slab band is continuously processed by the up and down movement of the upper die base 2, so that the binder continuous forming die 100 can continuously produce finished binder, which is beneficial to improving the production efficiency of the binder and reducing the production cost of the binder.

It should be noted that, in order to enable the upper die holder 2 to linearly move up and down, the binder clip continuous forming die 100 includes a guiding structure, the guiding structure includes a guiding rod and a guiding hole, which are matched with each other and slide, one of the guiding rod and the guiding hole is disposed on the upper die holder 2, and the other is disposed on the lower die holder 1, and further, the guiding structure is provided in plurality, and the guiding structures are disposed at intervals along the circumferential direction of the upper die holder 2.

Further, referring to fig. 4 to 7, the clamp body primary forming mechanism 4 includes a blanking assembly 41, a primary rolling assembly 42, and a primary bending assembly 43, the blanking assembly 41 is disposed between the upper die plate 21 and the lower die plate 11 and is disposed corresponding to the blanking station 31, the primary rolling assembly 42 is disposed between the upper die plate 21 and the lower die plate 11 and is disposed corresponding to the primary rolling station 32, and the primary bending assembly 43 is disposed between the upper die plate 21 and the lower die plate 11 and is disposed corresponding to the primary bending station 33; wherein, in the up-down moving stroke of the upper die plate 21, the blanking assembly 41, the preliminary rolling assembly 42, and the preliminary bending assembly 43 simultaneously operate, wherein: the blanking assembly 41 is used for blanking the stock strip at the blanking station 31 so that the stock strip partially forms a flattened forming body 71; the primary rolling assembly 42 is used for primarily rolling the two side ends of the flattened forming body 71 which is transferred to the primary rolling station 32, and bending the middle part of the flattened forming body 71 to form a primary rolling forming body 72; the primary bending assembly 43 is used for bending the primary rolling round molded body 72 transferred to the primary bending station 33 into the primary bending molded body 73, and is arranged to pass through the blanking assembly 41 to punch the material plate belt on the blanking station 31 into the flat flattening molded body 71, pass through the primary rolling round assembly 42 to primarily roll the flat flattening molded body 71 on the primary rolling round station 32 into the primary rolling round molded body 72, and pass through the primary bending assembly 43 to primarily bend the primary rolling round molded body 72 on the primary bending station 33 into the primary bending molded body 73. It will be appreciated that the initial crimping assembly 42 is only an initial crimping of the flattened shape 71 and is not a complete crimping for subsequent assembly with the tail shank.

It should be noted that the primary bending assembly 43 may be configured to bend the primary round-shaped formed body 72 completely or not, which is not limited in the present invention, and further, for convenience of subsequent assembly with the tail stem, the primary bending assembly 43 primarily bends the primary round-shaped formed body 72, wherein the primary bending angle is various, and may be 90 degrees or 30 degrees, and the present invention is not limited in this respect.

Further, referring to fig. 4 to 6, the blanking assembly 41 includes a blanking die 411 and a blanking punch 412 that cooperate to blank, one of the blanking die 411 and the blanking punch 412 is disposed on the upper die plate 21, and the other is disposed on the lower die plate 11, so that when the upper die holder 2 moves downward, the blanking die 411 cooperates with the blanking punch 412 to punch the material plate strip on the blanking station 31 into the flattened forming body 71.

Further, the blanking female die 411 is arranged on the lower template 11; the left side wall and the right side wall of blanking die 411 all are equipped with row material groove 4111, the last side wall of arranging material groove 4111 runs through the up end of blanking die 411, so set up, so as to pass through the waste material that produces when arranging material groove 4111 and collecting the blanking avoids the blanking waste material to get into blanking punch 412 with between the blanking die 411, influence the blanking effect.

Further, from the tank bottom of row material groove 4111 court in row material groove 4111's the groove mouth direction, row material groove 4111's lower lateral wall is the downward sloping setting, so sets up to make the blanking waste material under the action of gravity, discharge row material groove 4111 avoids waste material in row material groove 4111 piles up.

In order to avoid the movement of the material plate strip during the blanking, specifically, referring to fig. 4 and 6, the blanking punch 412 is disposed on the upper die plate 21, the blanking assembly 41 includes a blanking pressing structure 413, the blanking pressing structure 413 includes a blanking pressing plate 4131 and a first elastic member 4132, the blanking pressing plate 4131 is detachably mounted at a lower end of the blanking punch 412, and the first elastic member 4132 is disposed between the blanking pressing plate 4131 and the blanking punch 412, so that the material plate strip is pressed by the blanking pressing plate 4131 to avoid the movement of the material plate strip during the blanking, and meanwhile, the material plate strip is gradually pressed by the blanking pressing plate 4131 under the driving of the upper die holder 2 through the first elastic member 4132. It is understood that the first elastic member 4132 may be rubber, a spring, or the like, and the present invention is not limited thereto.

Further, referring to fig. 5 and 7, the blanking male die 412 is disposed on the upper die plate 21, and the blanking male die 412 includes a blanking main male die 4121 and a connected forming male die 4122 disposed at a rear side end of the blanking main male die 4121, so as to form a connected body between the adjacent formed bodies 7; the blanking main male die 4121 is matched with the blanking female die 411 to form the flattened forming body 71, and in this arrangement, the blanking male die 412 is driven by the upper die holder 2 to simultaneously blank and form the flattened forming body 71 and a connected body connecting two forming bodies 7 on two connected stations through the blanking main male die 4121 and the connected body forming male die 4122, so as to prevent the two forming bodies 7 on the two connected stations from being separated.

Further, referring to fig. 5, the blanking punch 412 further includes a locating hole blanking punch 4123, which is used to punch a forming locating hole on the connecting body, so as to punch a locating hole on the connecting body, so as to position the forming body 7 at a subsequent station, so as to correspond each forming body 7 to the corresponding processing station 3, and improve the positioning accuracy.

In order to initially round the flattened molded body 71, referring to fig. 8 and 9, the initial round assembly 42 includes a top bending female die 421 and a top bending male die 422, the top bending female die 421 is disposed on the lower die plate 11 and is disposed corresponding to the initial round station 32, the top bending male die 422 is disposed on the upper die plate 21 and is disposed corresponding to the initial round station 32, the top bending male die 422 and the top bending female die 421 cooperate to bend the middle portion of the flattened molded body 71, the initial round structures 423 are disposed on two sides of the top bending female die 421 to initially round two side ends of the flattened molded body 71 to form the initial round molded body 72, and are disposed such that the top bending male die 422 cooperates with the top bending female die 421 to bend the middle portion of the flattened molded body 71 to form a top bending structure of the binder of the long-tail molded body, while passing through the primary rolling structure 423 to preliminarily roll the flattened molded body 71 into the primary rolled molded body 72.

Further, in order to gradually press the flat formed body 71 to the preliminary rolling station 32, the top bending structure further includes a second elastic member 424 provided at an upper end of the top bending punch 422, and thus the second elastic member 424 cooperates with the top bending punch 422 and the top bending die 421 to gradually press the flat formed body 71 to the preliminary rolling station 32 so as to preliminarily roll the flat formed body 71.

In order to preliminarily roll the flattened molded body 71, in this embodiment, the preliminary rolling structure 423 further includes a preliminary rolling member 4231, a first link plate 4232, a first driving rod 4233 and a third elastic member 4234, the preliminary rolling member 4231 is movably installed on a side wall of the top bending die 421 in an up-and-down direction for preliminarily rolling two side ends of the flattened molded body 71 to form the preliminary rolling molded body 72, the first link plate 4232 is rotatably installed on the lower die plate 11 along a horizontal axis, the first link plate 4232 has opposite driving ends and connecting ends, the connecting end of the first link plate 4232 abuts against a lower end of the preliminary rolling member 4231, the first driving rod 4233 is installed on the upper die plate 21, a lower end of the first driving rod 4233 abuts against the driving end of the first link plate 4232 downwards for driving the driving end of the first link plate 4232 to move downwards, the third elastic member 4234 is disposed between the top bending female die 421 and the first connecting plate 4232, and is configured to reset that the driving end of the first connecting plate 4232 moves upward, so that when the upper die holder 2 moves downward, the first driving rod 4233 is driven to move downward, the driving end of the first connecting plate 4232 is driven to move downward, the third elastic member 4234 is compressed, the first connecting plate 4232 is pushed to rotate, so that the connecting end of the first connecting plate 4232 rotates upward, and the upper primary rolling round member 4231 is pushed to move upward, so as to initially roll up the side end of the flattened forming body 71 upward, until the top bending male die 422 completely fits the top bending female die 421, and the clamp primary rolling of the flattened forming body 71 is completed; when the upper die holder 2 moves upward, the first driving lever 4233 is separated from the first link plate 4232, and the third elastic member 4234 elastically returns to drive the link end of the first link plate 4232 to move downward, so that the primary rolling member 4231 moves downward by gravity. It is understood that the third elastic member 4234 needs to have a certain rigidity to facilitate the rotation of the first link plate 4232, and specifically, the third elastic member 4234 may be rubber, elastic plastic, or the like.

Further, the first driving rod 4233 and the first connecting plate 4232 are provided with a plurality of driving groups in a one-to-one correspondence manner, and the plurality of driving groups are arranged at intervals in the front-back direction.

Further, the sidewall of the top bending female die 421 is provided with a receding groove for forming a space for the rotation of the connecting end, and thus, the receding groove is formed to allow the connecting end of the first connecting plate 4232 to have a sufficient rotation space so that the first connecting plate 4232 rotates.

In order to facilitate driving the coupling ends to move upward, in this embodiment, the distance between the rotation center of the first coupling plate 4232 and the coupling ends of the first coupling plate 4232 is L1, and the distance between the rotation center of the first coupling plate 4232 and the driving ends of the first coupling plate 4232 is L2, where L2 > L1, which is provided, the lever principle is used, so that the coupling ends of the first coupling plate 4232 can be driven to move upward with a small force.

In order to move the primary rolling member 4231 linearly in the up-down direction, referring to fig. 9, the primary rolling member 4231 includes a primary rolling plate 4231A and a guide rib 4231B, the primary rolling plate 4231A is provided at an upper end thereof with an arc-shaped recess, so as to be fitted to the side end of the flattened molded body 71, the connection end of the first connection plate 4232 abuts against the lower end of the primary winding round plate 4231A, the guiding rib 4231B is arranged on one side of the primary rolling round plate 4231A departing from the top bending female die 421, and is matched with a guiding groove arranged on the lower template 11 for guiding in such a way, by means of the arc-shaped recesses, so as to guide the side ends of the flattened molded body 71 to bend upward, meanwhile, the primary rolling round piece 4231 moves along a straight line through the guide rib 4231B, so as to avoid the primary rolling of the flattened forming body 71 caused by the displacement of the primary rolling piece 4231 when being subjected to a large force.

In order to initially bend the initial round-rolling formed body 72, specifically, referring to fig. 10, the initial bending assembly 43 includes an initial bending male die 431 and an initial bending female die 432, which are matched with each other, one of the initial bending male die 431 and the initial bending female die 432 is disposed on the upper die plate 21, and the other is disposed on the lower die plate 11, so that the initial round-rolling formed body 72 on the initial bending station 33 is initially bent into the initial bending formed body 73 through the matching of the initial bending male die 431 and the initial bending female die 432.

Referring to fig. 11 to 14, the assembling station 34 includes an assembling sub-station, and two tail handle forming sub-stations located on the left and right sides of the assembling sub-station, and the slab band can move on the assembling sub-station; the long tail clamp assembling mechanism 5 comprises a tail handle forming component 51, a tail handle pushing component 52 and a final rolling component 53, wherein the tail handle forming component 51 is arranged between the upper template 21 and the lower template 11, corresponds to the tail handle forming work station and is used for forming a steel wire into a tail handle; the tail handle pushing assembly 52 is arranged between the upper template 21 and the lower template 11 and used for transferring the formed tail handle from the tail handle forming branch station to the assembling branch station and assembling the tail handle onto the primary bending forming body 73 transferred to the assembling branch station to form a primary assembling forming body 74; the final rolling component 53 is arranged between the upper template 21 and the lower template 11, corresponds to the assembly sub-station, and is used for completely rolling two sides of the initially assembled molded body 74 to form the initially assembled molded body 74, so that the upper template 2 moves downwards, the tail handle forming component 51 is used for punching a steel wire into a tail handle, the tail handle pushing component 52 is used for pushing the formed tail handle to the assembly sub-station to be assembled with the initially bent molded body 73 on the assembly sub-station, and the final rolling component 53 is used for completely rolling the initially bent molded body 73, so that the tail handle and the initially bent molded body 73 are assembled into the initially assembled molded body 74.

Further, referring to fig. 11 and 12, the tail handle forming assembly 51 includes a tail handle forming male mold 511, two tail handle forming female molds 512, and two tail handle forming driving structures 513, wherein the tail handle forming male mold 511 is disposed on the lower mold plate 11, is located at the tail handle forming sub-station, and extends along the left-right direction; the two tail handle forming female dies 512 are respectively arranged at the front side and the rear side of the tail handle forming male die 511, and the upper end of each tail handle forming female die 512 is rotatably arranged on the lower die plate 11 along the left-right direction axis; the two tail handle forming driving structures 513 are correspondingly and respectively in driving connection with the lower ends of the tail handle forming female dies 512 to rotate so as to be capable of being tightly attached to the side ends of the tail handle forming male dies 511, and thus, when the upper die holder 2 moves downwards, the two tail handle forming driving structures 513 are driven to move downwards so as to drive the two tail handle forming female dies 512 to rotate downwards to be matched with the tail handle forming male dies 511 to punch the steel wires into the tail handles; when the upper die holder 2 moves upwards, the tail handle forming driving structure 513 drives the tail handle forming female die 512 to rotate upwards, so that the steel wire enters a preset position.

Further, referring to fig. 12, the tail stem forming driving structure 513 includes a tail stem forming driving rod 5131 and a fourth elastic member (not shown in the figure), the tail stem forming driving rod 5131 is disposed on the upper mold plate 21, a lower end of the tail stem forming driving rod 5131 abuts against a side end of the tail stem forming female mold 512 to drive the tail stem forming female mold 512 to rotate downward, and the fourth elastic member is connected between the two tail stem forming female molds 512 to reset the two tail stem forming female molds 512 to rotate upward, so that when the upper mold base 2 moves downward, the tail stem forming driving rod 5131 moves downward under the driving of the upper mold base 2 to drive the tail stem forming female mold 512 to rotate downward, and at this time, the fourth elastic member is compressed; when the upper die holder 2 moves upwards, the fourth elastic element elastically returns to drive the tail handle forming female die 512 to rotate upwards. It is understood that the fourth elastic member may be a spring, or may be rubber or the like.

It should be noted that the fourth elastic member is disposed on the side surfaces of the two tail shank forming female dies 512 in the front-back direction, so as to avoid the forming surface of the tail shank forming female dies 512.

Further, when the tail handle forming driving rod 5131 moves downwards to form the tail handle, the tail handle forming concave die 512 and the tail handle are in a pressing state, so that the tail handle cannot move, in this embodiment, an accommodating groove 5131C is arranged on a lower end of each tail handle forming driving rod 5131 facing a side end face of the tail handle forming convex die 511, and the tail handle forming concave die 512 has a rotating space moving upwards through the accommodating groove 5131C, so that the tail handle forming concave die 512 releases the tail handle, and the tail handle pushing assembly 52 pushes the formed tail handle to the assembling distribution station.

Further, the tail stem forming driving rod 5131 includes a tail stem forming driving rod body 5131A and a pushing plate 5131B, the pushing plate 5131B is rotatably mounted at the lower end of the tail stem forming driving rod body 5131A along the left-right axis, the pushing plate 5131B has a pushing position and an avoiding position on the moving stroke thereof, in the pushing position, the pushing plate 5131B and the tail stem forming driving rod body 5131A are relatively fixed to downwardly push against the tail stem forming female die 512, in the avoiding position, the pushing plate 5131B is downwardly rotated to avoid the tail stem forming female die 512, so that when the tail stem forming driving rod 5131 moves downwardly, the pushing plate 5131B is fixed with the tail stem forming driving rod body 5131A to interfere with the tail stem forming female die 512 so as to drive the tail stem forming female die 512 to rotate downwardly, until the tail handle forming female die 512 enters the accommodating groove 5131C, when the tail handle forming driving rod 5131 moves upward, the pushing plate 5131B rotates downward, so that the tail handle forming female die 512 exits the accommodating groove 5131C.

In order to cut the steel wire, please refer to fig. 14, the binder assembly mechanism 5 further includes a steel wire cutting assembly 54 disposed at one side of the tail handle forming and separating station, the steel wire cutting assembly 54 includes a steel wire supporting member 541 and a steel wire cutting member 542, the steel wire supporting member 541 is disposed on the lower mold plate 11, and a through hole for the steel wire to pass through is disposed at an upper end of the steel wire supporting member 541; the steel wire cutting part 542 is arranged on the upper template 21 and used for cutting off the steel wire in a matching way with the steel wire supporting part 541, so that the steel wire is arranged in the through hole in a penetrating way so as to be matched with the steel wire cutting part 542 to cut off the steel wire, and the tail handle is formed in the subsequent process.

Referring to fig. 14 and 15, the tail handle pushing assembly 52 includes two tail handle pushing members 521 and two tail handle pushing driving structures 522, each of the tail handle pushing members 521 includes a tail handle pushing block 5211 movably mounted on the lower mold plate 11 along the left-right direction and two tail handle pushing rods 5212 spaced apart from the side wall of the tail handle pushing block 5211, the tail handle pushing rods 5212 are configured to abut against the tail handle, and the two tail handle pushing driving structures 522 are respectively and correspondingly connected to the tail handle pushing members 521 for driving the tail handle pushing members 521 to move back and forth between the assembling sub-station and the tail handle forming sub-station, so that when the upper mold base 2 moves downward, the tail handle pushing driving structures 522 push the tail handle pushing members 521 to move from the tail handle forming sub-station to the assembling sub-station, so that the tail handle moves from the tail handle forming sub-station to the assembling sub-station, when the upper die holder 2 moves upwards, the tail handle pushing driving structure 522 pushes the tail handle pusher 521 to move from the assembling distribution station to the tail handle forming distribution station, so as to push the tail handle.

Further, the tail stem pushing driving structure 522 includes a tail stem pushing driving rod 5221 and a fifth elastic member (not shown in the figure), the tail stem pushing driving rod 5221 is disposed on the upper mold plate 21, a first inclined surface is disposed between the tail stem pushing driving rod 5221 and/or the tail stem pushing block 5211, the first inclined surface is inclined from top to bottom toward a direction away from the assembling station for driving the tail stem pushing block 5211 to move from the tail stem molding station to the assembling station, the fifth elastic member is disposed between the tail stem pushing driving rod 5221 and the lower mold plate 11 for resetting the tail stem pushing block 5211 to move from the assembling station to the tail stem molding station, so as to convert the vertical movement of the tail stem pushing driving rod 5221 into a horizontal movement of the tail stem 521 through the first inclined surface, so as to drive the tail handle pushing member 521 to move from the tail handle forming and separating station to the assembling and separating station, and meanwhile, the fifth elastic member is used for moving the tail handle pushing member 521 from the assembling and separating station to the tail handle forming and separating station.

Further, referring to fig. 13, the final rolling assembly 53 includes a final rolling compaction structure 531 and a final rolling structure 532, the final rolling compaction structure 531 is disposed between the upper die plate 21 and the lower die plate 11 and is disposed corresponding to the assembly station to compact the preliminary assembly forming body 74, the final rolling structures 532 are disposed on two sides of the final rolling compaction structure 531 to fully roll two sides of the preliminary assembly forming body 74, so that the preliminary bending forming body 73 is fixed to the assembly station by the final rolling compaction structure 531, and the preliminary bending forming body 73 is fully bent by the final rolling structure 532 to assemble the preliminary assembly forming body 74 from the preliminary bending forming body 73 and the tail handle.

Further, the final rolling circle pressing structure 531 comprises a first upper pressing block 5311 and a first lower pressing block 5312 which are matched with each other for pressing, the first upper pressing block 5311 and the first lower pressing block 5312 are respectively and correspondingly arranged on the upper template 21 and the lower template 11, and the primary bending forming body 73 is fixed at the assembling distribution station through the first upper pressing block 5311 and the first lower pressing block 5312 so as to be assembled with the tail handle subsequently.

Further, the final rounding pressing structure 531 comprises a sixth elastic member 5313 disposed at an upper end of the first upper pressing block 5311, and the sixth elastic member 5313 is configured to enable the first upper pressing block 5311 to cooperate with the first lower pressing block 5312 to gradually press the primary bent forming body 73 to the assembling and distributing station, so as to completely round the primary bent forming body 73.

In order to assemble the initially bent molded body 73 and the tail handle into the initially assembled molded body 74, in this embodiment, the finally rolling structure 532 includes a finally rolling piece 5321, a second connecting plate 5322, a second driving rod 5323 and a seventh elastic piece 5324, the finally rolling piece 5321 is movably mounted on a side wall of the finally rolling pressing structure 531 in the vertical direction for completely rolling two sides of the initially assembled molded body 74, the second connecting plate 5322 is rotatably mounted on the lower die plate 11 in the horizontal axis direction, the second connecting plate 5322 has a driving end and a connecting end opposite to each other, the connecting end of the second connecting plate 5322 abuts against a lower end of the finally rolling piece 5321, the second driving rod 5323 is mounted on the upper die plate 21, a lower end of the second driving rod 5323 abuts against a driving end of the second connecting plate 5322 downward for driving the driving end of the second connecting plate 5322 to move downward, the seventh elastic member 5324 is disposed between the final-rolling compact structure 531 and the second connecting plate 5322, and is configured to reset that the driving end of the second connecting plate 5322 moves upward, so that when the upper die holder 2 moves downward, the second driving rod 5323 is driven to move downward, the driving end of the second connecting plate 5322 is driven to move downward, the seventh elastic member 5324 is compressed, the second connecting plate 5322 is pushed to rotate, so that the connecting end of the second connecting plate 5322 rotates upward, the upper final-rolling round member 5321 is pushed to move upward, the side end of the primary-bending formed body 73 is completely rolled upward, and the assembly of the primary-bending formed body 73 and the tail handle is completed; when the upper die holder 2 moves upward, the second driving rod 5323 is separated from the second connecting plate 5322, and the seventh elastic member 5324 elastically returns to drive the connecting end of the second connecting plate 5322 to move downward, so that the final rolling member 5321 moves downward under the action of gravity. It is understood that the seventh elastic member 5324 needs to have certain rigidity to facilitate the rotation of the second connecting plate 5322, and specifically, the seventh elastic member 5324 may be rubber, elastic plastic, or the like.

Referring to fig. 16, the binder clip forming mechanism 6 includes a final bending assembly, the final bending assembly includes a final bending pressing structure 61 and a final bending structure 62, the final bending pressing structure 61 is disposed between the upper mold plate 21 and the lower mold plate 11 and is disposed corresponding to the final forming station 35 to press the preliminary assembly formed body 74 transferred to the final forming station 35, the final bending structures 62 are disposed on two sides of the final bending pressing structure 61 to finally bend the preliminary assembly formed body 74 into a finished binder clip, and in this configuration, the preliminary assembly formed body 74 is fixed to the final forming station 35 by the final bending pressing structure 61, and the preliminary assembly formed body 74 is completely bent into the binder clip by the final bending structure 62.

Further, the final bending compaction structure 61 includes a second upper compaction block 611 and a second lower compaction block 612 which are matched and compacted with each other, the second upper compaction block 611 and the second lower compaction block 612 are respectively and correspondingly disposed on the upper template 21 and the lower template 11, and in this way, the preliminary assembly molding body 74 is fixed to the final bending station through the second upper compaction block 611 and the second lower compaction block 612, so as to be bent into a binder clip in the subsequent process.

Further, the final bending pressing structure 61 includes an eighth elastic member 613 disposed at an upper end of the second upper pressing block 611, and is configured such that, through the eighth elastic member 613, the second upper pressing block 611 cooperates with the second lower pressing block 612 to gradually press the preliminary assembly forming body 74 at the final bending station, so as to completely bend the preliminary assembly forming body 74 into the binder clip.

In order to bend the preliminary assembly formed body 74 completely, the final bending structure 62 comprises a final bending piece 621 and a final bending driving structure 622, the final bending piece 621 is movably mounted on the lower die plate 11 along the horizontal direction, the final bending driving structure 622 is in driving connection with the final bending piece 621 for driving the final bending piece 621 to move, so that the final bending driving structure 622 drives the final bending piece 621 to move to the final bending station when the upper die base 2 moves downwards, so that the preliminary assembly formed body 74 is extruded to approach the final bending pressing mechanism until the final bending piece 621 is attached to the final bending pressing structure 61, and the preliminary assembly formed body 74 is bent into a long tail clamp completely.

Further, the final bending driving structure 622 includes a final bending driving rod 6221 and a ninth elastic member (not shown in the figure), the final bending driving rod 6221 is disposed on the upper mold plate 21, a second inclined surface is disposed between the final bending driving rod 6221 and/or the final bending member, the second inclined surface is inclined from top to bottom in a direction away from the final forming station 35 to drive the final bending member 621 to move in a direction close to the final forming station 35, the ninth elastic member is disposed between the final bending member 621 and the lower mold plate 11 to drive the final bending member 621 to move in a direction away from the final forming station 35, so that when the upper mold base 2 moves downward, the upward and downward movement of the final bending driving rod 6221 is converted into a horizontal movement of the final bending member 621 by the second inclined surface to drive the final bending member 621 to approach the final bending pressing structure 61, to fully bend the as-assembled form 74, at which time the ninth elastic member is stretched; when the upper die holder 2 moves upwards, the ninth elastic element elastically returns to drive the final bending element 621 to move away from the final bending station.

In order to separate the finished binder clips from the flitch strip, please refer to fig. 16, the plurality of processing stations 3 further include a cutting splitting station, and the cutting splitting station is located at a side of the final forming station 35 opposite to the assembling station 34; the binder continuous forming die 100 further comprises a cutting split component 63 for separating the finished binder transferred to the cutting split station from the material plate strip, and the connection between the finished binder at the cutting split station and the material plate strip is cut off by the cutting split component 63 so as to form an individual finished binder.

Further, the cutting-off assembly comprises a cutting-off opening and a cutting-off piece 631 which are matched with each other to cut off, the cutting-off opening is formed in the lower template 11, the cutting-off piece 631 is formed in the upper template 21 and corresponds to the connecting body of the material plate strip, and the cutting-off piece 631 is arranged in a manner that the cutting-off opening is matched with the cutting-off opening to cut off the connecting body between the material plate strip and the finished product long tail clamp at the cutting-off split station.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the present specification and drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a binder strip and steel wire press from both sides continuous forming die for handle the material slab band and press from both sides with continuous forming binder strip, the binder strip includes clamp and caudal peduncle, its characterized in that, binder strip continuous forming die includes:

the lower die base comprises a lower die plate;

2. The mold for continuously forming a binder clip according to claim 1, wherein the clip body preliminary forming mechanism comprises:

3. The binder clip progressive forming die of claim 2, wherein the blanking assembly comprises a blanking female die and a blanking male die which cooperate to blank, one of the blanking female die and the blanking male die is disposed on the upper die plate, and the other is disposed on the lower die plate.

4. The binder clip progressive forming die of claim 2, wherein the initial rolling assembly comprises:

5. The binder clip continuous forming die of claim 1, wherein the assembly stations comprise an assembly sub-station on which the strip of stock material can move, and two tail stock forming sub-stations on the left and right sides of the assembly sub-station;

the long tail clamp assembly mechanism includes:

6. The clip progressive forming die of claim 5, wherein the tail handle forming assembly comprises:

7. The binder clip progressive forming die of claim 5, wherein the tail handle pusher assembly comprises:

8. The binder clip progressive forming die of claim 5, wherein the final wrap assembly comprises:

9. The binder clip continuous forming die of claim 1, wherein the binder clip forming mechanism comprises a final bending assembly, the final bending assembly comprising:

10. The binder clip continuous forming die of claim 1, wherein the plurality of processing stations further comprises a cutting splitting station, and the cutting splitting station is positioned on a side of the final forming station, which faces away from the assembling station;