CN114453889B - Clamp body primary forming mechanism and binder clip continuous forming die - Google Patents

Abstract

The invention discloses a clamp body primary forming mechanism and a long tail clamp continuous forming die, wherein the clamp body primary forming mechanism comprises a blanking assembly, a primary rolling assembly and a primary bending assembly, the blanking assembly is arranged between an upper die plate and a lower die plate and corresponds to a blanking station, the primary rolling assembly is arranged between the upper die plate and the lower die plate and corresponds to a primary rolling station, the primary bending assembly is arranged between the upper die plate and the lower die plate and corresponds to a primary bending station, and the blanking assembly, the primary rolling assembly and the primary bending assembly act simultaneously in the up-and-down moving stroke of the upper die plate, wherein the blanking assembly is used for blanking a material plate belt at the blanking station so as to enable the material plate belt to form a flattened forming body locally, the primary rolling assembly is used for rolling two side ends of the flattened forming body transferred to the primary rolling station and bending the middle of the flattened forming body so as to form the primary rolling forming body, and the primary bending assembly is used for bending the primary rolling forming body transferred to the primary bending station.

Description

Clamp body primary forming mechanism and long tail clamp continuous forming die

Technical Field

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

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

In order to solve the problems, the inventor designs a long tail clamp continuous forming die, and the long tail clamp continuous forming die is used for preprocessing a plate into a preprocessing clamp body convenient to assemble through a clamp body primary forming mechanism, simultaneously forming a tail handle through a long tail clamp assembling mechanism, and automatically assembling the tail handle and the preprocessed preprocessing clamp body into a long tail clamp, so that the continuous production of the long tail clamp is completed, and the purpose of improving the production efficiency of the long tail clamp is realized. Therefore, how to process the plate into the pretreatment clamp body for the subsequent automatic assembly is an urgent problem to be solved.

The invention mainly aims to provide a clamp body primary forming mechanism and a binder clip continuous forming die, and aims to solve the problem of processing a plate into a preprocessed clamp body convenient for subsequent automatic assembly.

In order to achieve the above object, the present invention provides a preliminary forming mechanism for a binder clip, which is used for a continuous forming mold for the binder clip, the continuous forming mold for the binder clip is used for processing a material plate strip and a steel wire to continuously form the binder clip, the binder clip comprises a clip body and a tail handle, and the preliminary forming mechanism for the clip body comprises:

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 and a primary bending station;

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 (c) a second step of,

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 round formed body transferred to the primary bending station into the primary bending formed body.

Optionally, the blanking assembly includes a blanking female die and a blanking male die that cooperate with each other to blank, and 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.

Optionally, the blanking male die is arranged on the upper die plate;

the blanking subassembly includes blanking compact structure, blanking compact structure includes:

the blanking pressing plate is detachably arranged at the lower end of the blanking male die; and the number of the first and second groups,

the first elastic piece is arranged between the blanking pressing plate and the blanking male die.

Optionally, the blanking male die is arranged on the upper die plate, and the blanking male die comprises a blanking main male die and a connected forming male die arranged at the rear side end of the blanking main male die and used for forming a connected body between the adjacent formed bodies;

and the blanking main male die is matched with the blanking female die to form the flattening forming body.

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 (c) a second step of,

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

Optionally, the primary rolling structure further comprises:

the primary rolling piece is movably arranged on the side wall of the top bending female die in the vertical direction and is used for primarily rolling two side ends of the flattened forming body to form a primary rolling forming body;

the first connecting plate is rotatably arranged on the lower template along a horizontal axis, the first connecting plate is provided with a driving end and a connecting end which are opposite to each other, and the connecting end of the first connecting plate is abutted against the lower end of the primary rolling piece;

the lower end of the first driving rod is downwards abutted with the driving end of the first connecting plate and used for driving the driving end of the first connecting plate to move downwards; and (c) a second step of,

and the third elastic piece is arranged between the top bending female die and the first connecting plate and used for resetting the upward movement of the driving end of the first connecting plate.

Optionally, the side wall of the top bending female die is provided with a yielding groove for forming a rotating space for the connecting end to rotate.

Optionally, the primary rolling round piece comprises:

the upper end of the primary rolling circular plate is provided with an arc-shaped concave part so as to be matched with the side end of the flattening forming body, and the connecting end of the first connecting plate is abutted against the lower end of the primary rolling circular plate; and the number of the first and second groups,

and the guide rib is arranged on one side of the primary rolling round plate, which is away from the top bending female die, and is matched with the guide groove arranged on the lower template for guiding.

Optionally, the primary bending assembly comprises a primary bending male die and a primary bending female die which are matched with each other, one of the primary bending male die and the primary bending female die is arranged on the upper template, and the other one of the primary bending male die and the primary bending female die is arranged on the lower template.

The invention also provides a mold for continuously forming the binder clip, which comprises the clamp body primary forming mechanism.

According to the technical scheme, the blanking assembly is used for blanking the material plate belt on the blanking station into the flat-out forming body, the initial rolling assembly is used for primarily rolling the flat-out forming body on the initial rolling station into the initial rolling forming body, and the initial bending assembly is used for primarily bending the initial rolling forming body on the initial bending station into the initial bending forming body.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of 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 an embodiment of a binder clip continuous forming mold provided by the present invention;

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

FIG. 3 is a schematic perspective view of the clamp primary-forming mechanism 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 a schematic view of a part A in FIG. 4;

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

FIG. 8 is a 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 primary bent molded body of FIG. 1;

fig. 20 is a schematic perspective view of the primary assembly molded body of 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 described clearly and completely 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 referred to in the embodiment of the present invention, the directional indication is only used for explaining a relative positional relationship, a 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 the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other 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, which is used for processing a material plate strip and a steel wire to continuously form the binder clip, wherein the binder clip comprises a clip body and a tail handle, the continuous forming die for the binder clip comprises a clip body primary forming mechanism, and the continuous forming die for the binder clip provided by the invention is within the protection scope of the invention as long as the continuous forming die for the binder clip comprises the clip body primary forming mechanism. Fig. 1 to fig. 2 are schematic structural views of an embodiment of a binder clip continuous forming mold provided by the present invention, fig. 3 to fig. 10 are schematic structural views of an embodiment of a binder body primary forming mechanism provided by the present invention, fig. 11 to fig. 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 fig. 20 are schematic structural views of a formed body provided by the present invention.

Referring to fig. 1 to 3, the clamp body primary forming mechanism 4 includes a lower die holder 1, an upper die holder 2, a blanking assembly 41, a primary rolling assembly 42, and a primary bending assembly 43, where the lower die holder 1 includes a lower die plate 11, the upper die holder 2 includes an upper die plate 21 disposed opposite to the lower die plate 11 and movably mounted on the lower die plate 11 in the vertical direction, a plurality of processing stations 3 are sequentially formed between the lower die plate 11 and the upper die plate 21 in the front-rear direction, the plurality of processing stations 3 include a blanking station 31, a primary rolling station 32, and a primary bending station 33, 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-and-down moving stroke of the upper die plate 21, the blanking assembly 41, the primary rolling assembly 42 and the primary bending assembly 43 act simultaneously, 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 molded 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.

In the technical solution of the present invention, the blanking assembly 41 is used to punch the material plate strip on the blanking station 31 into the flattened molded body 71, the initial rolling assembly 42 is used to preliminarily roll the flattened molded body 71 on the initial rolling station 32 into the initial rolling molded body 72, and the initial bending assembly 43 is used to preliminarily bend the initial rolling molded body 72 on the initial bending station 33 into the initial bending molded body 73. It will be appreciated that the initial crimping assembly 42 only initially crimps the flattened shaped body 71 and does not fully crimp it 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 arrange the waste material that produces when material groove 4111 collects the blanking, avoid 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 blank plate band 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, in this way, the blank plate band is pressed by the blanking pressing plate 4131, so as to avoid the movement of the blank plate band during the blanking, and meanwhile, the blanking pressing plate 4131 gradually presses the blank plate band by 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 primarily round the flattened molded body 71, please refer to fig. 8 and 9, the primary round rolling 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 corresponds to the primary round rolling station 32, the top bending male die 422 is disposed on the upper die plate 21 and corresponds to the primary round rolling 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 primary round rolling structures 423 are disposed on two sides of the top bending female die 421 for primarily rolling two side ends of the flattened molded body 71 to form the primary round rolled molded body 72, and are configured to primarily round the middle portion of the flattened shaped body 71 by the top bending male die 422 cooperating with the top bending female die 421 to bend the middle portion of the flattened shaped body 71 to form a top bending structure of the binder of the long-tailed molded body, and primarily round the flattened molded body 71 into the primary round rolling body 72 by the round rolling structures 423.

Further, in order to gradually press the flat molded body 71 to the primary rolling station 32, the top bending structure further includes a second elastic member 424 disposed at the upper end of the top bending male die 422, and the second elastic member 424 is configured to cooperate with the top bending male die 422 and the top bending female die 421 to gradually press the flat molded body 71 to the primary rolling station 32 so as to preliminarily roll the flat molded body 71.

In order to preliminarily roll the flattened molded body 71, in this embodiment, the primary rolling structure 423 further includes a primary rolling member 4231, a first link plate 4232, a first driving rod 4233 and a third elastic member 4234, the primary rolling member 4231 is movably mounted on a side wall of the top bending die 421 in an up-and-down direction to preliminarily roll two side ends of the flattened molded body 71 to form the primary rolling molded body 72, the first link plate 4232 is rotatably mounted on the lower die plate 11 along a horizontal axis, the first link plate 4232 has a driving end and a connecting end opposite to each other, the connecting end of the first link plate 4232 abuts against a lower end of the primary rolling member 4231, the first driving rod 4233 is mounted on the upper die plate 21, a lower end of the first driving rod 4233 downwardly abuts against the driving end of the first link plate 4232, 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 link plate 4232 for resetting the driving end of the first link plate 4232 to move upwards, so that when the upper die holder 2 moves downwards, the first driving rod 4233 is driven to move downwards to drive the driving end of the first link plate 4232 to move downwards, the third elastic member 4234 is compressed to push the first link plate 4232 to rotate, so that the connecting end of the first link plate 4232 rotates upwards to push the upper primary rolling round member 4231 to move upwards to primarily roll up the side end of the flattened molded body 71 upwards until the top bending female die 421 and the top bending male die 422 are completely attached, and the primary rolling of the clamp of the flattened molded body 71 is completed; when the upper die holder 2 moves upward, the first driving rod 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 connection plate 4232 are provided with a plurality of driving sets in a one-to-one correspondence manner, and the plurality of driving sets 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 connecting ends to move upward, in this embodiment, a distance between a rotation center of the first connecting plate 4232 and the connecting ends of the first connecting plate 4232 is L1, and a distance between the rotation center of the first connecting plate 4232 and the driving ends of the first connecting plate 4232 is L2, where L2 > L1, and thus the lever principle is used to drive the connecting ends of the first connecting plate 4232 to move upward with a small force.

In order to enable the primary rolling round piece 4231 to linearly move up and down, please refer to fig. 9, the primary rolling round piece 4231 comprises a primary rolling round plate 4231A and a guide rib 4231B, an arc-shaped concave portion is arranged at the upper end of the primary rolling round plate 4231A to be matched with the side end of the flattening forming body 71, the connecting end of the first connecting plate 4232 abuts against the lower end of the primary rolling round plate 4231A, and the guide rib 4231B is arranged at one side of the primary rolling round plate 4231A, which is far away from the top bending die 421, and is matched with a guide groove arranged on the lower die plate 11 for guiding, so that the side end of the flattening forming body 71 is guided to bend upwards through the arc-shaped concave portion, and the primary rolling round piece 4231 is linearly moved through the guide rib 4231B to prevent the primary rolling round piece 4231 from being deflected when being subjected to a large force, thereby affecting the primary rolling of the flattening forming body 71.

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. 1 to 3, the present invention further provides a binder clip continuous forming mold 100, wherein the binder clip continuous forming mold 100 is used for processing the material plate strip and the steel wire to continuously form the binder clip, the binder clip comprises a clip body and a tail handle, the binder clip continuous forming die 100 comprises a lower die holder 1, an upper die holder 2, a clip body primary forming mechanism 4, a binder clip assembling mechanism 5 and a binder clip forming mechanism 6, the lower die holder 1 comprises a lower template 11, the upper die holder 2 comprises an upper template 21 which is arranged opposite to the lower template 11 and movably arranged on the lower template 11 along the up-down direction, and the lower die holder is arranged in the front-back direction, a plurality of processing stations 3 are sequentially formed between the lower template 11 and the upper template 21, the plurality of processing stations 3 comprise a blanking station 31, a primary rolling station 32, a primary bending station 33, an assembly station 34 and a final forming station 35, the clamp body primary forming mechanism 4 is arranged between the upper template 21 and the lower template 11, and is arranged corresponding to the blanking station 31, the preliminary rolling station 32 and the preliminary bending station 33, the long tail clamp assembly mechanism 5 is arranged between the upper template 21 and the lower template 11, and is arranged corresponding to the assembling station 34, the binder clip 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 forming bodies 7 corresponding to the plurality of processing stations 3 are formed on the plate strip, a connecting body is arranged between the adjacent forming bodies 7, the plate strip can gradually move on the plurality of processing stations 3, in the front-back direction, on two adjacent processing stations 3, after the molded bodies 7 on the former processing station 3 are processed, the molded bodies can be circulated to the latter processing station 3; 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 onto 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.

In the technical scheme of the invention, the clamp body primary forming mechanism 4 is used for sequentially punching, primarily rounding 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 into the primary assembled forming body 74 together with the primary bent forming body 73 at the assembling station 34, and finally the long tail clamp forming mechanism 6 is used for bending the primary assembled forming body 74 into 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 in the up-down direction, 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 guiding rod is disposed on the lower die holder 1, and further, a plurality of guiding structures are provided, and the plurality of guiding structures are arranged at intervals along the circumferential direction of the upper die holder 2.

Further, referring to fig. 11 to 14, the assembling station 34 includes an assembling sub-station, and two tail handle forming sub-stations at 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 handle forming driving structure 513 includes a tail handle forming driving rod 5131 and a fourth elastic member (not shown in the figure), the tail handle forming driving rod 5131 is disposed on the upper mold plate 21, a lower end of the tail handle forming driving rod 5131 abuts against a side end of the tail handle forming female mold 512 to drive the tail handle forming female mold 512 to rotate downward, and the fourth elastic member is connected between the two tail handle forming female molds 512 to reset the two tail handle forming female molds 512 to rotate upward, so that when the upper mold base 2 moves downward, the tail handle forming driving rod 5131 is driven by the upper mold base 2 to move downward to drive the tail handle 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, 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 compressed state, so that the tail handle cannot move, in this embodiment, an accommodating groove 5131C is formed 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 subsequently pushes the formed tail handle to the assembling distribution station.

Further, the tail stem forming drive rod 5131 comprises a tail stem forming drive rod body 5131A and a pushing plate 5131B, the pushing plate 5131B is rotatably mounted at the lower end of the tail stem forming drive rod body 5131A along a 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 is relatively fixed with the tail stem forming drive rod body 5131A so as to downwardly and tightly push 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 the pushing plate 5131B is fixed with the tail stem forming drive rod body 5131A so as to interfere with the tail stem forming female die 512 so as to drive the tail stem forming female die 512 to downwardly rotate until the tail stem forming female die 512 enters the accommodating groove 31C, and when the tail stem forming drive rod 5131 moves upwardly, the pushing plate 5131B rotates to downwardly and withdraw from the tail stem forming female die 512, so that the tail stem forming female die is accommodated in turn in 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 piece 542 is arranged on the upper template 21 and is used for cutting off the steel wire in cooperation with the steel wire supporting piece 541, so that the steel wire is arranged in the through hole in a penetrating manner, so that the steel wire is cut off in cooperation with the steel wire cutting piece 542, 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 die 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 distribution station and the tail handle forming distribution station, so that when the upper die 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 distribution station to the assembling distribution station, so that the tail handle moves from the tail handle forming distribution station to the assembling distribution station, and when the upper die base 2 moves upward, the tail handle pushing driving structures 522 push the tail handle pushing members 522 to move from the tail handle forming distribution station to the assembling distribution station, so as to push the tail handle distribution station 521 to move to the assembling distribution station.

Further, tail handle propelling movement drive structure 522 includes tail handle propelling movement actuating lever 5221 and fifth elastic component, tail handle propelling movement actuating lever 5221 locates cope match-plate pattern 21, tail handle propelling movement actuating lever 5221 and/or be equipped with first inclined plane between the tail handle propelling movement piece 5211, first inclined plane is from the top down towards keeping away from the slope of assembly branch station direction, be used for driving tail handle propelling movement piece 5211 from tail handle shaping divides the station to the removal of assembly branch station, fifth elastic component locates tail handle propelling movement actuating lever 5221 with between the lower bolster 11, be used for resetting tail handle propelling movement piece 5211 from the assembly branch station to the removal of tail handle shaping branch station, so set up, through first inclined plane, in order to change the up-and-down motion of tail handle propelling movement actuating lever 5221 into the horizontal motion of tail handle propelling movement piece 521, in order to drive tail handle propelling movement piece 521 from tail handle shaping branch station move to assembly branch station, pass through the fifth elastic component simultaneously in order to make tail handle move from assembly branch station 521.

Further, referring to fig. 13, the final rolling assembly 53 includes a final rolling compacting structure 531 and a final rolling structure 532, the final rolling compacting structure 531 is disposed between the upper mold plate 21 and the lower mold plate 11, and is disposed corresponding to the assembly work position, for compacting the preliminary assembly formed body 74, and the final rolling structures 532 are disposed on two sides of the final rolling compacting structure 531, for completely rolling two sides of the preliminary assembly formed body 74, so that the preliminary bending formed body 73 is fixed to the assembly work position by the final rolling compacting structure 531, and the preliminary bending formed body 73 is completely bent by the final rolling compacting structure 532, so as to assemble the preliminary assembly formed body 74 from the preliminary bending formed body 73 and the tail handle.

Further, the final rolling compaction structure 531 includes a first upper compaction block 5311 and a first lower compaction block 5312 that are matched with each other for compaction, the first upper compaction block 5311 and the first lower compaction block 5312 are respectively and correspondingly disposed on the upper template 21 and the lower template 11, and in this way, the primary bending forming body 73 is fixed at the assembly sub-station through the first upper compaction block 5311 and the first lower compaction block 5312, so as to be subsequently assembled with the tail handle.

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 preliminary formed body 73 and the tail handle into the preliminary assembled body 74, in this embodiment, the final rolling structure 532 includes a final rolling piece 5321, a second connecting plate 5322, a second driving rod 5323 and a seventh elastic piece 5324, the final rolling piece 5321 is movably mounted on the sidewall of the final rolling pressing structure 531 in the vertical direction for completely rolling the two sides of the preliminary assembled body 74, the second connecting plate 5322 is rotatably mounted on the lower mold plate 11 along the horizontal axis, 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 the lower end of the final rolling piece 5321, the second driving rod 5323 is mounted on the upper mold plate 21, and the lower end of the second driving rod 5323 abuts against the driving end of the second connecting plate 5322 downward, the seventh elastic member 5324 is disposed between the final round pressing structure 531 and the second connecting plate 5322 and is configured to reset the driving end of the second connecting plate 5322 to move upward, so that when the upper die holder 2 moves downward, the second driving rod 5323 is driven to move downward to drive the driving end of the second connecting plate 5322 to move downward, the seventh elastic member 5324 is compressed to push the second connecting plate 5322 to rotate, so that the connecting end of the second connecting plate 5322 rotates upward to push the upper final round member 5321 to move upward to fully round the side end of the primary bent molded body 73 upward, thereby completing the assembly of the primary bent molded body 73 and the tail stem; 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 can be 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, or elastic plastic, etc.

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 the upper end of the second upper pressing block 611, and the arrangement is such that the second upper pressing block 611 cooperates with the second lower pressing block 612 through the eighth elastic member 613, so as to gradually press the preliminary assembly formed body 74 to the final bending station, so as to completely bend the preliminary assembly formed body 74 into the binder clip.

In order to bend completely the preliminary assembly formed body 74, 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 template 11 along the horizontal direction, the final bending driving structure 622 is in driving connection with the final bending piece 621 and used for driving the final bending piece 621 to move, the final bending driving structure 622 drives the final bending piece 621 to move towards the final bending station when the upper die base 2 moves downwards, so that the final bending driving structure 622 is used for extruding the preliminary assembly formed body 74 to draw close to 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 completely into a long tail clamp.

Further, the final bending driving structure 622 includes a final bending driving rod 6221 and a ninth elastic member, 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 toward a direction away from the final forming station 35 for driving the final bending member 621 to move toward a direction close to the final forming station 35, and the ninth elastic member is disposed between the final bending member 621 and the lower mold plate 11 for driving the final bending member 621 to move toward a direction away from the final forming station 35, so that when the upper mold base 2 moves downward, the up-and-down movement of the final bending driving rod 6221 is converted into the horizontal movement of the final bending member 621 by the second inclined surface to drive the final bending member 621 toward the final bending pressing structure 61 for completely bending the initial molded body 74, and at this time, the ninth elastic member is stretched; when the upper die holder 2 moves upwards, the ninth elastic member elastically returns to drive the final bending member 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 and the material plate strip at the cutting split station 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 long tail clamp of 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 (7)

1. The utility model provides a clamp body primary forming mechanism for the long tail presss from both sides continuous forming die, long tail presss from both sides continuous forming die and is used for handling material slab band and steel wire and press from both sides with continuous forming long tail, long tail presss from both sides including clamp body and caudal peduncle, its characterized in that, clamp body primary forming mechanism includes:

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 and a primary bending station;

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 stroke of activity of cope match-plate pattern, blanking subassembly, just roll up circle subassembly and the subassembly of bending just moves 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 round formed body transferred to the primary bending station into a primary bending formed body;

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

the primary rolling component 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 (c) a second step of,

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

the primary bending assembly comprises a primary bending male die and a primary bending female die which are matched with each other, one of the primary bending male die and the primary bending female die is arranged on the upper template, and the other one of the primary bending male die and the primary bending female die is arranged on the lower template.

2. The clip preforming mechanism of claim 1, wherein the blanking punch is provided on the upper die plate;

the blanking subassembly includes blanking compact structure, blanking compact structure includes:

the blanking pressing plate is detachably arranged at the lower end of the blanking male die; and (c) a second step of,

the first elastic piece is arranged between the blanking pressing plate and the blanking male die.

3. A clip body preliminary forming mechanism according to claim 2, wherein the blanking male die is provided on the upper die plate, and the blanking male die includes a blanking main male die and a connected body forming male die provided at a rear side end of the blanking main male die for forming a connected body between the adjacent formed bodies;

and the blanking main male die is matched with the blanking female die to form the flattening forming body.

4. A clip preforming mechanism as claimed in claim 1, wherein the initial crimping structure further comprises:

the primary rolling piece is movably arranged on the side wall of the top bending female die in the vertical direction and is used for primarily rolling two side ends of the flattened forming body to form a primary rolling forming body;

the first connecting plate is rotatably arranged on the lower template along a horizontal axis, the first connecting plate is provided with a driving end and a connecting end which are opposite to each other, and the connecting end of the first connecting plate is abutted against the lower end of the primary rolling round piece;

the lower end of the first driving rod is downwards abutted with the driving end of the first connecting plate and used for driving the driving end of the first connecting plate to move downwards; and (c) a second step of,

and the third elastic piece is arranged between the top bending female die and the first connecting plate and used for resetting the upward movement of the driving end of the first connecting plate.

5. The clip forming mechanism as claimed in claim 4, wherein the side wall of the top bending die has a recess for forming a rotation space for the connecting end to rotate.

6. A clip preform mechanism as claimed in claim 4, wherein the preform member comprises:

the upper end of the primary rolling circular plate is provided with an arc-shaped concave part so as to be matched with the side end of the flattening forming body, and the connecting end of the first connecting plate is abutted against the lower end of the primary rolling circular plate; and (c) a second step of,

and the guide rib is arranged on one side of the primary rolling round plate, which is away from the top bending female die, and is matched with the guide groove arranged on the lower template for guiding.

7. A mold for continuously forming binder clips, characterized in that it comprises a clip body primary forming mechanism as claimed in any one of claims 1 to 6.

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