CN211333349U

CN211333349U - Upper and lower separating type shearing mechanism of automatic knife bending machine

Info

Publication number: CN211333349U
Application number: CN201921719904.4U
Authority: CN
Inventors: 吴爱珍
Original assignee: Shenzhen Womeisheng Technology Co ltd
Current assignee: Shenzhen Womeisheng Technology Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-08-25
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses an upper and lower disconnect-type of automatic curved sword machine shears mechanism, it includes: the scissors mechanism comprises a supporting plate, a scissors extending port is arranged on the supporting plate, outer scissors are arranged at the scissors extending port and controlled by a lifting cylinder, the lifting cylinder is fixed on a sliding block, and the sliding block is controlled by a transverse moving driving assembly; an inner scissors is arranged above the supporting plate and is controlled by a lifting driving component. The shearing mechanism has the advantages that the inner scissors and the outer scissors are separated up and down, the outer scissors can be cut from two sides respectively, the inner scissors can be sheared at one time and can be sheared in a segmented mode, the outer scissors can respectively apply acting force from left to right to realize shearing in the reciprocating direction, no limitation is caused, the shearing reserved opening is small, the shearing knife opening is flat, deformation is less, shearing burrs are small, and blades cannot fly out of a workbench easily.

Description

Upper and lower separating type shearing mechanism of automatic knife bending machine

Technical Field

The utility model relates to an automatic shear technical field of the mechanism especially relates to an upper and lower disconnect-type of automatic curved sword machine shears mechanism.

Background

With the rapid development of automatic numerical control equipment, the requirements of a computer numerical control knife bending machine on manufacturing of a knife die which is necessary to be used for package printing are higher and higher, and particularly the in-place performance, the shearing precision and the shearing flexibility of the bent knife bending machine are achieved. Some of the tradition shearing mode are that inside and outside scissors overlap together, some are that inside and outside scissors overlap together, but no matter inside and outside scissors overlap together with outside scissors, still inside and outside scissors overlap together and all have the drawback, for example cut to the crooked back of dysmorphism blade and have certain limitation, when cutting to some high-end cutting die and the public young cutting die of dysmorphism, inside and outside scissors descend simultaneously to the waiting of die cutting blade and cut the position because the position of cuting narrowly can injure the die cutting edge, if with die cutting blade release angle and circular arc go the curved knife, can increase the time of cutting die plastic and the degree of difficulty that has increaseed the operation machine, can block the scissors and lead to machine trouble when the shearing position of releasing inadequately. And if too many reserved shearing positions are reserved when the small ellipses are bent, the shaping is shifted, the abandonment is caused, and the time is wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, provide one kind and can solve present interior scissors and outer scissors overlap or the suit leads to the upper and lower disconnect-type shearing mechanism of the automatic knife bending machine of drawback.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an upper and lower disconnect-type shearing mechanism of automatic curved sword machine, it includes: the scissors mechanism comprises a supporting plate, a scissors extending port is arranged on the supporting plate, outer scissors are arranged at the scissors extending port and controlled by a lifting cylinder, the lifting cylinder is fixed on a sliding block, and the sliding block is controlled by a transverse moving driving assembly; an inner scissors is arranged above the supporting plate and is controlled by a lifting driving component; when the cut piece enters the cutting station, the inner scissors are driven by the lifting driving assembly to descend to a set position, the outer scissors are driven by the lifting cylinder to ascend to the set position, and when the cut piece moves to the cutting opening, the transverse moving driving assembly drives the sliding block to transversely move along the supporting plate and synchronously drive the outer scissors to horizontally transversely move, so that the outer scissors transversely move relative to the inner scissors to cut off the cut piece.

The sliding block is connected to a sliding block fixing seat, the lifting cylinder is connected to the sliding block fixing seat, and the telescopic end of the lifting cylinder is connected with the inner scissors.

The upper plate surface of the supporting plate is also provided with a guide groove for the sliding block to slide transversely.

Wherein the traverse drive assembly comprises: the first support arm is connected to the support plate, a translation cylinder is arranged on the first support arm, a second support arm is further arranged on the support plate, the telescopic end of the translation cylinder is hinged to a swing arm, the other end of the swing arm is hinged to the sliding block, the middle of the swing arm is rotatably connected to the second support arm, and when the translation cylinder moves, the swing arm is driven to swing by taking the second support arm as a fulcrum, so that the sliding block is synchronously driven to horizontally reciprocate and transversely move, and the outer scissors are controlled to horizontally slide in a reciprocating mode.

Wherein, the lift drive assembly includes: the bottom is connected in the guide rail of backup pad, can follow guide rail longitudinal sliding's connecting plate, be connected with on the connecting plate interior scissors, the top of guide rail still is equipped with a fixed plate, be equipped with driving motor on the fixed plate, driving motor's output shaft passes through a drive belt drive lead screw, the lead screw wears to locate the connecting plate, works as when driving motor rotates, the drive lead screw rotates, and the lead screw drives the connecting plate and rises, the action of falling to scissors vertically rises or descends in the synchronous drive.

The connecting plate is further provided with a first proximity switch and a second proximity switch, and the first proximity switch and the second proximity switch are respectively used for detecting left side and right side set position in-place information when the outer scissors horizontally move.

Wherein, outer scissors includes: the knife edge part is a lower positioning opening extending from the knife edge part.

Wherein, interior scissors includes: the connecting portion, be equipped with on the connecting portion with the lower location mouth of outer scissors corresponds, and by the shearing portion that connecting portion extends out, be equipped with the lancing that is used for injecing by the shearing piece in the shearing portion.

Wherein, the lower end of the cutting seam is provided with a V-shaped opening.

The output shaft of the driving motor is connected with a first belt pulley, the upper end part of the screw rod is provided with a second belt pulley, and the first belt pulley and the second belt pulley are in transmission through a transmission belt.

Compared with the prior art, the utility model discloses an automatic mechanism is sheared to upper and lower disconnect-type of tulwar machine, it adopts outer scissors and interior scissors to distribute respectively in the backup pad both sides, and adopt and drive actuating cylinder and driving motor automatic control outer scissors and the lift of interior scissors respectively, and for interior scissors sideslip action by sideslip drive assembly drive outer scissors, separation about interior scissors and outer scissors has been realized, and outer scissors can begin to cut respectively from both sides, can once only cut and the segmentation is cut, outer scissors can be followed about respectively and given the effort and realize making a round trip to come and go the shearing of direction, it is unlimited to do, it is little to cut the reservation mouth, it is level and smooth to cut the sword mouth, it is few to warp, it is little to cut the burr, the blade is difficult for advantages such as flying out the workstation.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is a schematic view of the overall structure of the upper and lower separating type shearing mechanism of the automatic knife bending machine of the present invention.

Fig. 2 is a schematic side view of the upper and lower separating shearing mechanism of the automatic knife bending machine of the present invention.

Fig. 3 is a schematic structural view of the outer scissors of the upper and lower separating shearing mechanism of the automatic knife bending machine of the present invention.

Fig. 4 is a schematic structural view of the inner scissors of the upper and lower separating shearing mechanism of the automatic knife bending machine of the present invention.

Fig. 5 and fig. 6 are schematic views of the cutting state of the vertical separating type cutting mechanism of the automatic knife bending machine of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

Referring to fig. 1 to 6, the present embodiment provides an upper and lower separating type shearing mechanism of an automatic knife bending machine, which includes: the scissors cutting device comprises a supporting plate 1, wherein a scissors extending port 101 is formed in the supporting plate, outer scissors 8 are arranged at the scissors extending port 101, the outer scissors 8 are controlled by a lifting cylinder (not shown in the figure), the lifting cylinder is fixed on a sliding block 6, and the sliding block 6 is controlled by a transverse moving driving assembly 001; an inner scissors 9 is arranged above the supporting plate 1, and the inner scissors 9 are controlled by a lifting driving component 002; when the cut piece 100 enters the cutting station, the inner scissors 9 are driven by the lifting driving component 002 to descend to the set position, the outer scissors 8 are driven by the lifting air cylinder to ascend to the set position, and when the cut piece 100 moves to the cutting opening, the traverse driving component 001 drives the sliding block 6 to traverse along the supporting plate 1 and synchronously drives the outer scissors 8 to horizontally traverse, so that the outer scissors 9 transversely cut the cut piece 100 relative to the inner scissors 8. When the object to be cut is cut, the cutting openings of the outer scissors 8 and the inner scissors 9 move relatively, and the object to be cut 100 is cut at the cutting position.

Referring to fig. 1 again, the slide block 6 is connected to a slide block fixing seat 7, the lift cylinder is connected to the slide block fixing seat 7, and the telescopic end of the lift cylinder is connected to the outer scissors 8.

The upper plate surface of the supporting plate 1 is further provided with a guide groove (not shown in the figure) for the sliding of the sliding block 6, and the guide groove is used for guiding the sliding block to slide according to a set line and providing a shearing acting force for the outer scissors 8.

Further, the traverse driving assembly 001 includes: connect in the first support arm 2 on backup pad 1, be equipped with translation cylinder 3 on the first support arm 2, still be equipped with second support arm 5 on the backup pad 1, the flexible end of translation cylinder 3 articulates in the tip 41 of a swing arm 4, another tip of swing arm 4 articulates in slider 6, middle part 42 rotate connect in second support arm 5, when translation cylinder 3 moved, drive swing arm 4 used second support arm 5 as the fulcrum swing, drive the reciprocal sideslip action of slider 6 level in step to it is controlled reciprocal horizontal slip to send outer scissors 8.

Referring again to fig. 2, the lift driving assembly 002 includes: the bottom end of the connecting plate is connected with a guide rail 10 of the supporting plate 1, a connecting plate 15 capable of sliding longitudinally along the guide rail 10 is connected onto the connecting plate 15, a fixing plate 12 is further arranged at the top end of the guide rail 10, a driving motor 13 is arranged on the fixing plate 12, an output shaft of the driving motor 13 drives a screw rod 11 through a transmission belt 14, the screw rod 11 penetrates through the connecting plate 15, when the driving motor 13 rotates, the driving screw rod 11 rotates, the screw rod 11 drives the connecting plate 15 to move up and down, and therefore the inner scissors 9 are driven to move up and down longitudinally in a synchronous mode.

The connecting plate 15 is further provided with a first proximity switch 91 and a second proximity switch (opposite to the first proximity switch 91), and the first proximity switch 91 and the second proximity switch are respectively used for detecting left-side and right-side set position in-place information when the outer scissors 9 horizontally traverse.

Referring again to fig. 3, outer scissors 8 include: the outer scissors 8 are integrally formed, and the blade edge 81 and the lower positioning opening 82 extending from the blade edge 81 are arranged to correspond to the cutting shape of the object to be cut.

Referring again to fig. 4, inner scissors 9 includes: the connecting portion 92 is provided with an upper positioning opening 93 corresponding to the lower positioning opening 82 of the outer scissors 8, and a cutting portion 94 extending from the connecting portion 92, and the cutting portion 94 is provided with a cutting slit 95 for limiting a cut piece. Wherein, the lower end of the slit 95 is provided with a V-shaped opening 96.

The output shaft of the driving motor 13 is connected with a first belt pulley 131, the upper end of the screw rod 11 is provided with a second belt pulley 111, and the first belt pulley 131 and the second belt pulley 111 are driven by a driving belt 14.

Referring to fig. 5 and fig. 6 again, as shown in the figure, first, the inner scissors 9 is controlled to descend to a set height, the cut piece 100 is placed at the cutting seam 95, and the outer scissors 8 ascend to the set height, so that the lower positioning opening 82 abuts against the upper positioning opening 93; then, the traverse driving assembly 001 drives the outer scissors 8 to move transversely, the outer scissors 8 are cut off by the cutting piece 100 at the cutting position, when one side end of the outer scissors 8 extends out of one side of the inner scissors 9, the first proximity switch 91 detects a signal, and the corresponding lifting cylinder drives the outer scissors 8 to descend, otherwise, when the outer scissors 8 extends out of the other side of the inner scissors 9, the second proximity switch detects a signal, and the corresponding lifting cylinder drives the outer scissors 8 to descend again.

Compared with the prior art, the up-down separation type shearing mechanism of the automatic knife bending machine has the advantages that the outer scissors and the inner scissors are respectively distributed on two sides of the supporting plate, the driving air cylinder and the driving motor are adopted to respectively and automatically control the lifting of the outer scissors and the inner scissors, the transverse movement driving assembly drives the outer scissors to transversely move relative to the inner scissors, the up-down separation of the inner scissors and the outer scissors is realized, the outer scissors can respectively start cutting from two sides and can cut in one step and in a segmented manner, the outer scissors can respectively give acting force from left to right to realize the cutting in the back-and-forth direction, no limitation is caused, the reserved shearing opening is small, the shearing edge is flat, the deformation is less, the shearing burrs are small, the blades are not easy to fly out of a workbench.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides an automatic mechanism is sheared to upper and lower disconnect-type of curved sword machine which characterized in that includes: the scissors mechanism comprises a supporting plate, a scissors extending port is arranged on the supporting plate, outer scissors are arranged at the scissors extending port and controlled by a lifting cylinder, the lifting cylinder is fixed on a sliding block, and the sliding block is controlled by a transverse moving driving assembly; an inner scissors is arranged above the supporting plate and is controlled by a lifting driving component; when the cut piece enters the cutting station, the inner scissors are driven by the lifting driving assembly to descend to a set position, the outer scissors are driven by the lifting cylinder to ascend to the set position, and when the cut piece moves to the cutting opening, the transverse moving driving assembly drives the sliding block to transversely move along the supporting plate and synchronously drive the outer scissors to horizontally transversely move, so that the outer scissors transversely move relative to the inner scissors to cut off the cut piece.

2. The upward and downward separating shearing mechanism of an automatic knife bending machine according to claim 1, wherein the slide block is connected to a slide block fixing seat, the slide block fixing seat is connected with the lifting cylinder, and the telescopic end of the lifting cylinder is connected with the outer scissors.

3. The vertical separating shearing mechanism of automatic knife bending machine as claimed in claim 2, wherein the upper plate surface of the supporting plate is further provided with a guide groove for the sliding block to slide laterally.

4. The upper and lower split shearing mechanism for automatic knife benders as claimed in claim 1, wherein said traverse driving assembly comprises: the first support arm is connected to the support plate, a translation cylinder is arranged on the first support arm, a second support arm is further arranged on the support plate, the telescopic end of the translation cylinder is hinged to a swing arm, the other end of the swing arm is hinged to the sliding block, the middle of the swing arm is rotatably connected to the second support arm, and when the translation cylinder moves, the swing arm is driven to swing by taking the second support arm as a fulcrum, so that the sliding block is synchronously driven to horizontally reciprocate and transversely move, and the outer scissors are controlled to horizontally slide in a reciprocating mode.

5. The upper and lower split cutting mechanism of an automatic knife bender according to claim 1, wherein the lift drive assembly comprises: the bottom is connected in the guide rail of backup pad, can follow guide rail longitudinal sliding's connecting plate, be connected with on the connecting plate interior scissors, the top of guide rail still is equipped with a fixed plate, be equipped with driving motor on the fixed plate, driving motor's output shaft passes through a drive belt drive lead screw, the lead screw wears to locate the connecting plate, works as when driving motor rotates, the drive lead screw rotates, and the lead screw drives the connecting plate and rises, the action of falling to scissors vertically rises or descends in the synchronous drive.

6. The upward and downward separating shearing mechanism of an automatic knife bending machine as claimed in claim 5, wherein the connecting plate is further provided with a first proximity switch and a second proximity switch, and the first proximity switch and the second proximity switch are respectively used for detecting left side and right side setting position in-place information when the outer shears horizontally traverse.

7. The upper and lower separating shearing mechanism of an automatic knife bending machine as claimed in claim 1, wherein said outer shears comprise: the knife edge part is a lower positioning opening extending from the knife edge part.

8. The upper and lower split cutting mechanism of an automatic knife bending machine according to claim 7, wherein the inner scissors comprise: the connecting portion, be equipped with on the connecting portion with the lower location mouth of outer scissors corresponds, and by the shearing portion that connecting portion extends out, be equipped with the lancing that is used for injecing by the shearing piece in the shearing portion.

9. The upper and lower split cutting mechanism of an automatic knife bending machine as claimed in claim 8, wherein the lower end of the slit is provided with a V-shaped opening.

10. The vertical separating shearing mechanism of automatic knife bending machine as claimed in claim 5, wherein the output shaft of said driving motor is connected with a first belt pulley, the upper end of said screw rod is provided with a second belt pulley, and the first belt pulley and the second belt pulley are driven by a transmission belt.