CN217256720U - Paper pulp formed part punching mechanism and slitting equipment - Google Patents

Abstract

The utility model discloses a paper pulp formed part die-cutting mechanism, including the lower mould, go up the drive assembly of mould and lower mould compound die in mould and the drive, the lower mould includes fixed connection's die holder and annular die-cutting rule, goes up and is provided with the deckle board between mould and the die holder, and the deckle board is provided with the through-hole, and in the through-hole was worn to locate by die-cutting rule clearance fit, the deckle board was connected with the die holder through first elastic component, and first elastic component is used for the drive to be less than the deckle board of die-cutting rule top surface and resumes to flushing with the die-cutting rule top surface. This paper pulp formed part die-cutting mechanism restores to the throne through setting up the deckle board that cup joints with die-cutting rule clearance fit, utilizes the deformation of first elastic component to restore the drive deckle board and resets to flushing with the die-cutting rule top surface, makes die-cutting rule and die-cut gained side cut phase separation, does benefit to the unloading respectively of paper pulp formed part and side cut. The utility model also discloses a cut equipment that contains paper pulp formed part die-cut mechanism.

Description

Paper pulp formed part punching mechanism and slitting equipment

Technical Field

The utility model relates to a paper pulp formed part production technical field, concretely relates to paper pulp formed part die-cutting mechanism and cut equipment.

Background

As plastic pollution remediation continues to increase, the demand for paper packaging is increasing. The pulp forming piece connecting piece consists of a plurality of pulp forming pieces and the edge cutting of the outer edge of the pulp forming piece, and the pulp forming piece and the edge cutting need to be punched and separated in the pulp and production.

In order to improve the slitting efficiency of the pulp formed part, the improved technical scheme adopts a rotating disc type automatic trimming device as disclosed in CN211590424U, and the automatic trimming device simultaneously performs trimming, tableware blanking, trimming blanking and feeding at multiple stations, wherein the trimming blanking adopts air flow to blow trimming to a net frame, and then an air nozzle in the net frame is used for blowing the trimming away from the net frame. The defect of above scheme lies in, the side cut of tableware inevitably adheres on the cutter, and the air current receives the bellied sheltering from of tableware location when the air current blows and spouts, and the side cut of adhesion on the cutter, especially the less side cut of width easily receives the air current effort to take place length direction's fracture, leads to cross cutting stationary knife department to have the minor segment to cut edge and remains, remains the further influence that can cause follow-up die cutting line can not cut off completely. CN214561540U discloses cutlery box side cut device, annular die-cutting rule set up in the accommodation hole, and the periphery wall of die-cutting rule is laminated on the inner wall of accommodation hole, and the upper limb protrusion of die-cutting rule is in the top surface of lower bolster for with the edge contact of the base of the mould on the side cut in order to cut the edge of cutlery box. The lower template with the structure is fixedly connected with the die-cutting rule, and the problem that the trimming edge is adhered to the cutting rule also exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an one of the purpose lies in overcoming the defect that exists among the prior art, provides a paper pulp formed part die-cutting mechanism, takes off the effective separation die-cutting rule of sideboard and cuts edge, does benefit to the complete unloading of side cut.

Above-mentioned technological effect, the utility model discloses a technical scheme does: a pulp forming part punching mechanism comprises a lower die, an upper die and a driving assembly for driving the upper die and the lower die to be closed, wherein the lower die comprises a die holder and an annular die-cutting knife which are fixedly connected;

the edge removing plate is arranged between the upper die and the die holder and provided with a through hole, the die-cutting rule is arranged in the through hole in a clearance fit mode in a penetrating mode, the edge removing plate is connected with the die holder through a first elastic piece, and the first elastic piece is used for driving the edge removing plate lower than the top surface of the die-cutting rule to recover to be flush with the top surface of the die-cutting rule.

The preferable technical scheme is that the upper die is provided with a punching plane, and the punching plane faces the top surface of the die-cutting rule and at least the outer side of the top surface along the die assembly direction.

The preferable technical scheme is that the first elastic piece is clamped between the edge removing plate and the die holder.

A second object of the utility model is to provide a dividing and cutting equipment, including foretell paper pulp formed part die-cutting mechanism.

The preferable technical scheme is that the method further comprises the following steps:

the station switching piece is provided with at least three positioning stations, and the paper pulp molded piece punching mechanism, the molded piece blanking mechanism and the trimming blanking mechanism are sequentially arranged on the side of the station switching piece;

the molded part blanking mechanism is used for driving the pulp molded part to be separated from the positioning station; the trimming and blanking mechanism is used for driving trimming to be separated from the positioning station;

and the switching mechanism drives the positioning station to switch along the directions of the punching mechanism, the formed part blanking mechanism and the trimming blanking mechanism.

The preferred technical scheme does, formed part unloading mechanism includes:

the grabbing component is used for grabbing and releasing the paper pulp formed part;

the lifting mechanism is connected with the grabbing component and drives the grabbing component to move towards or back to the positioning station;

the side cut pressing plate is arranged between the positioning station and the grabbing component and is connected with the grabbing component through a second elastic piece, and the second elastic piece has elastic deformation back to the positioning station.

The preferable technical scheme is that the grabbing component comprises a grabbing bracket and a grabbing piece which are fixedly connected, and the trimming pressure plate is connected with the grabbing bracket.

The preferable technical scheme is that the trimming and blanking mechanism comprises a fixed connection adsorption support and a trimming adsorption piece, the adsorption support is connected with a transverse moving mechanism through a lifting mechanism, the lifting mechanism drives the support to move towards or back to the positioning station, and the transverse moving mechanism drives the adsorption support to move back and forth between the positioning station top and the side of the station switching piece.

The preferred technical scheme is that the lifting mechanism comprises a telescopic piece, and two telescopic ends of the telescopic piece are respectively and fixedly connected with the sliding block and the adsorption bracket; one of the slide block and the adsorption bracket is provided with a guide rod, and the other is provided with a guide sleeve; the extending direction of the guide rod is consistent with the telescopic direction of the telescopic piece, and the guide rod is movably arranged in the guide sleeve in a penetrating mode.

The preferred technical scheme does, adsorb the support and be provided with a plurality of through-holes or slot hole, the side cut adsorb the piece with the detachable fixed connection of through-hole or slot hole.

The utility model has the advantages and the beneficial effects that:

the paper pulp forming part punching mechanism is provided with the edge removing plate which is in clearance fit and sleeve joint with the die-cutting rule, and the edge removing plate is driven to reset to be flush with the top surface of the die-cutting rule by utilizing the deformation recovery of the first elastic part, so that the die-cutting rule is separated from the trimming edge obtained by punching, and the paper pulp forming part and the trimming edge are respectively fed;

contain paper pulp formed part die-cutting mechanism in cutting the equipment, help reducing the probability that the side cut is attached to the die-cutting rule, reduce the work load of side cut in the equipment is cut in the supplementary clearance of manual work, improve the degree of automation of cutting.

Drawings

FIG. 1 is a schematic side view of a pulp molding die-cutting mechanism according to an embodiment;

FIG. 2 is a schematic perspective view showing an assembly of an upper die, a lower die and a trimming plate in the pulp molded product die-cutting mechanism according to the embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is another perspective view of an assembly of an upper mold, a lower mold, and a deckle plate in the pulp molding die cutting mechanism according to the embodiment;

FIG. 5 is a schematic top view of the slitting apparatus of the embodiment;

FIG. 6 is a schematic perspective view of the slitting apparatus of the embodiment;

fig. 7 is a schematic perspective view of a molded part blanking mechanism in another embodiment;

FIG. 8 is a schematic perspective view of a trimming and blanking mechanism in another embodiment;

FIG. 9 is another perspective view of the trimming and blanking mechanism;

in the figure: 1. a pulp forming part punching mechanism; 11. a lower die; 111. a die holder; 112. a die-cutting rule; 12. an upper die; 121. punching a plane; 13. a drive assembly; 14. removing the edge plate;

2. a turntable; 21. positioning a station; 3. a molded part blanking mechanism; 31. grabbing the assembly; 311. grabbing the bracket; 3111. a cross bar; 3112. a first longitudinal bar; 3113. a second longitudinal bar; 312. grabbing the part; 32. a lifting mechanism; 33. trimming and pressing plates; 34. a second elastic member; 4. an edge cutting and blanking mechanism; 41. adsorbing the stent; 411. a long hole; 42. a trimming adsorption piece; 43. a lifting mechanism; 431. a telescoping member; 432. a guide bar; 433. a guide sleeve; 44. a traversing mechanism; 441. a slider; 5. a feeding mechanism.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present application, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, indicate an orientation or positional relationship that is merely for convenience in describing the application and to simplify the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.

In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

Examples

As shown in fig. 1-4, the pulp-molded part punching mechanism 1 includes a lower die 11, an upper die 12, and a driving assembly 13 for driving the upper die 12 and the lower die 11 to close the dies, wherein the lower die 11 includes a die holder 111 and an annular die-cutting blade 112 which are fixedly connected; a side-releasing plate 14 is arranged between the upper die 12 and the die holder 111, the side-releasing plate 14 is provided with a through hole, the die-cutting rule 112 is inserted into the through hole in a clearance fit manner, the side-releasing plate 14 is connected with the die holder 111 through a first elastic member (not shown in the figure), and the first elastic member is used for driving the side-releasing plate 14 lower than the top surface of the die-cutting rule 112 to recover to be flush with the top surface of the die-cutting rule 112. Drive assembly 13 may alternatively be a hydraulic ram connected to upper die 12. Optionally, the first elastic element is disposed between the edge strip 14 and the die holder 111, and may also be fixedly connected to other positioning elements besides the die holder 111. The first elastic member has elastic deformation in the punching direction of the upper die 12 to the lower die 11. The first elastic element can be an element made of elastic materials such as an elastic sheet, a pressure spring, a tension spring or rubber, and is specifically selected according to the position and the structure of the edge-disengaging plate 14, the first elastic element and the first elastic element positioning element. The number of the cutting blades of the die 12 on the die holder 111 is not particularly limited, and may be one or more than two, and six cutting blades 112 are disposed on the die holder 111, and the cutting blades 112 are arranged in a 3 × 2 rectangular array. The upper mold 12 may be disposed opposite to the outer edge of the mold 112 in the mold closing direction to form a shearing structure, or may be a punching plane, and the punching plane is opposite to the mold 112 in the mold closing direction. Furthermore, a limiting piece can be optionally arranged and used for limiting the size of the stroke of the edge removing plate which is aligned with the top surface of the die-cutting rule. The limiting structure includes, but is not limited to, a bolt piece with a limiting protrusion.

Before the die assembly, the edge cutting part of the pulp forming piece connecting piece is arranged on the top surface of the edge removing plate 14, the upper die 12 applies downward pressure to the edge cutting, the first elastic piece is pressed to generate elastic deformation in the punching direction from the upper die 12 to the lower die 11 until the top surface of the edge cutting part is flush with the top surface of the die cutting knife 112, and the die cutting knife 112 cuts the pulp forming piece connecting piece. After punching, separating the pulp forming piece from the cut edge, wherein the cut edge surrounds the periphery of the die-cutting rule 112 or the periphery of the partial pulp forming piece; the upper die 12 moves upwards, the deformation of the first elastic piece is recovered, and the trimming plate 14 pushes the trimming edge to move upwards, so that the trimming edge is separated from the die-cutting rule 112.

In another embodiment, as shown in fig. 4, the upper mold 12 is provided with a punching plane 121, and the punching plane 121 faces the top surface of the die blade 112 in the mold closing direction and at least the outer side of the top surface. In the drawing, the punching plane 121 of the upper die 12 is opposed to the top surface of the die blade 112 and the inner and outer sides of the top surface. The punching plane 121 of the upper die 12 has lower requirement on the die-cutting precision, and has longer service life.

In another embodiment, as shown in fig. 2 and 4, the first elastic member is sandwiched between the edge strip 14 and the die holder 111. Compared with a structure that the elastic sheet serving as the elastic piece extends to the side of the edge removing plate 14 and is fixedly connected with the edge removing plate, the punching module of the embodiment has a more compact structure.

As shown in fig. 5 to 6, the embodiment slitting device includes the pulp molded product die-cutting mechanism 1 of the above embodiment. The slitting device can comprise only the pulp forming piece punching mechanism 1, and further comprises a feeding mechanism for transferring the pulp forming piece connecting piece into the pulp forming piece punching mechanism 1, and/or a blanking mechanism for moving the pulp forming piece after punching, the trimming or the combination of the pulp forming piece and the trimming out of the punching mechanism.

As shown in fig. 5-6, in another embodiment, the slitting device further comprises a station switching member turntable 2, the turntable 2 is provided with four positioning stations 21, and a pulp molded piece punching mechanism 1, a molded piece blanking mechanism 3 and a trimming blanking mechanism 4 are sequentially arranged on the side of the turntable 2; the molded part blanking mechanism 3 is used for driving the pulp molded part to separate from the positioning station 21; the trimming and blanking mechanism 4 is used for driving trimming to be separated from the positioning station 21; the switching mechanism is a cam divider of a rotary driving piece of the rotary table 2 and is used for driving the rotary table 2 to rotate around the central shaft of the rotary table in an equal angle mode, and the positioning station 21 rotates along with the rotary table 2 and is sequentially switched along the directions of the punching mechanism, the formed part blanking mechanism 3 and the trimming blanking mechanism 4. Further, the side of the turntable 2 is also provided with a feeding mechanism 5, the feeding mechanism 5 drives the pulp-molded piece connecting component by adopting a mechanical arm or other three-dimensional moving parts, and the pulp-molded piece connecting piece is grabbed piece by piece and transferred to the positioning station 21. As shown in the figure, the molded part blanking mechanism 3 and the trimming blanking mechanism 4 can adopt suction pieces such as a suction cup and the like, and can realize the transfer of the pulp molded part and the trimming by matching with a manipulator or other three-dimensional moving pieces, and as a substitute of the blanking mechanism, a mechanism which causes the displacement of the pulp molded part and the trimming by air flow and the like can also be adopted. Alternatively, the station switching piece can also be a conveying belt, and the switching mechanism is a conveying belt driving mechanism. The number of the positioning stations can be three, five or even more, based on the pulp molded part punching mechanism 1, the molded part blanking mechanism 3, the trimming blanking mechanism 4 and the feeding mechanism 5 on the side of the rotary table, the preferred number of the positioning stations is four, and the rotary table and the slitting equipment including the rotary table with the structure are more compact in structure.

As shown in fig. 7, in another embodiment, the molded part blanking mechanism 3 includes a gripping assembly 31, a lifting mechanism 32 and a trimming press plate 33, the gripping assembly 31 is used for gripping and releasing the pulp molded part; the lifting mechanism 32 is connected with the grabbing component 31, and the lifting mechanism 32 drives the grabbing component 31 to move towards or away from the positioning station 21; the trimming pressure plate 33 is arranged between the positioning station 21 and the grabbing component 31, the trimming pressure plate 33 is connected with the grabbing component 31 through a second elastic piece 34 pressure spring, and the second elastic piece 34 has elastic deformation facing away from the positioning station 21. In the figure, the action of the lifting mechanism 32 is performed by a robot arm which is also used to transfer the gripping assembly to the side of the turntable 2. The part of the trimming that is once punched through the paper pulp formed part die-cutting mechanism 1 inevitably has the part of not cutting off, utilizes trimming clamp plate 33 and deckle board 14 centre gripping to cut off, utilizes simultaneously to snatch subassembly 31 and upwards promote the paper pulp formed part, and the part of not cutting off receives the shearing force, makes the part of not cutting off fracture along the parting line, realizes the secondary and cuts, solves the problem that the trimming promoted along with the paper pulp formed part.

In another embodiment, as shown in fig. 7, the gripper assembly 31 includes a fixedly attached gripper bracket 311 and a gripper 312, and the trim presser 33 is attached to the gripper bracket 311. The grabbing bracket 311 comprises a cross bar 3111, a first vertical bar 3112 and a second vertical bar 3113 which are fixedly connected with the cross bar 3111, the grabbing pieces 312 are fixedly connected with the first vertical bar 3112, and the grabbing pieces 312 are arranged corresponding to the pulp molded parts one by one; the trimming press plate 33 is fixedly connected to the second side rail 3113. Optionally, the gripper 312 includes, but is not limited to, a clamp or a vacuum chuck, which is shown.

As shown in fig. 8-9, in another embodiment, the trimming and blanking mechanism 4 includes an adsorption holder 41 and a trimming adsorption member 42 fixedly connected to the adsorption holder 41, the adsorption holder 41 is connected to a traverse mechanism 44 through an elevating mechanism 43, the elevating mechanism 43 drives the adsorption holder 41 to move toward or away from the positioning station 21, and the traverse mechanism 44 drives the elevating mechanism 43 and the adsorption holder 41 to move back and forth between the position right above the positioning station 21 and the side of the turntable 2. Due to the functions of the edge-removing plate 14 and the edge-removing pressing plate 33, the obtained edge-removing is in a continuous strip shape and does not adhere to the die-cutting rule 112, and the probability that the edge-removing is broken is obviously reduced. Compared with the air flow blowing and spraying trimming in the prior art, the trimming adsorption piece 42 is transferred and trimmed more orderly, the positioning station 21 is not shielded, and possible trimming residues can be found in time through visual detection or manual assistance. The number of the trimming suction pieces 42 is specifically set according to the size of the trimming. The number of the edge cutting suction members 42 is three in the figure, and they are distributed in a triangular shape. The trim suction 42 may alternatively be the same vacuum chuck as the gripper 312.

As shown in fig. 9, in another embodiment, the lifting mechanism 43 includes a telescopic member 431, and two telescopic ends of the telescopic member 431 are fixedly connected to a sliding block 441 of the traversing mechanism and the adsorption bracket 41 respectively; one of the slider 441 and the adsorption bracket 41 is provided with a guide rod 432, and the other is provided with a guide sleeve 433; the extending direction of the guide rod 432 is consistent with the extending direction of the telescopic member 431, and the guide rod 432 is movably arranged in the guide sleeve 433 in a penetrating manner. The combination of the telescopic member 431 and the guide rod 432 ensures that the suction surface of the trim suction member 42 is kept horizontal when the suction holder 41 is lifted. When the number of the trimming suction pieces 42 is larger than two, it is also ensured that the suction surfaces of more than two trimming suction pieces 42 are positioned in the same plane. The transverse moving mechanism is a linear sliding table. The driving mode of the linear sliding table comprises but is not limited to hydraulic driving, pneumatic driving and motor driving.

In another embodiment, as shown in fig. 9, the suction frame 41 is provided with a plurality of through holes and elongated holes 411, and the trimming suction member 42 is detachably and fixedly connected to the through holes or the elongated holes 411. The above structure facilitates adjustment of the position of the trimming suction pieces 42 according to the shape of the trimming or increase or decrease of the number of the trimming suction pieces 42.

The working process of the slitting equipment comprises the following steps:

s1: a certain positioning station of the rotary table is shifted into a pulp formed part punching mechanism, and an upper die and a lower die are closed to complete punching so as to obtain a pulp formed part and a cut edge;

s2: the speed reducing motor drives the turntable to rotate to a position in S1, a positioning station is located on the side of the formed part blanking mechanism, the mechanical arm transfers the grabbing component to the position right above the positioning station, the grabbing component moves downwards to the position where the second elastic part deforms, the trimming edge is clamped between the trimming edge pressing plate and the positioning station, the grabbing component adsorbs the pulp formed part, the grabbing component moves upwards, the trimming edge is further separated from the uncut part of the pulp formed part, and finally the trimming edge pressing plate is separated from the trimming edge;

s3: the speed reducing motor drives the rotary table to rotate to the positioning station and is located on the side of the edge cutting and blanking mechanism, the transverse moving mechanism drives the edge cutting adsorption piece until the edge cutting adsorption piece is located right above the positioning station, the lifting mechanism drives the edge cutting adsorption piece to move downwards until the edge cutting adsorption piece is attached to the edge cutting, the lifting mechanism drives the edge cutting adsorption piece to move upwards, and the transverse moving mechanism drives the edge cutting adsorption piece to move to the side of the rotary table and release the edge cutting.

S4: the speed reducing motor drives the turntable to rotate to the side of the feeding mechanism to receive the pulp forming piece connecting piece of the feeding mechanism;

s5: repeating S1-S4.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a paper pulp formed part die-cutting mechanism, includes the drive assembly of mould and lower mould compound die on lower mould, the mould and drive, the lower mould includes fixed connection's die holder and annular die-cutting rule, its characterized in that:

the edge removing plate is arranged between the upper die and the die holder and provided with a through hole, the die-cutting rule is arranged in the through hole in a clearance fit mode in a penetrating mode, the edge removing plate is connected with the die holder through a first elastic piece, and the first elastic piece is used for driving the edge removing plate lower than the top surface of the die-cutting rule to recover to be flush with the top surface of the die-cutting rule.

2. The pulp forming member die-cutting mechanism according to claim 1, wherein the upper die is provided with a die-cutting plane facing a top surface of the die-cutting blade and at least an outer side of the top surface in a die closing direction.

3. The pulp forming part die-cutting mechanism of claim 1, wherein the first elastic member is sandwiched between the edge strip plate and the die holder.

4. A parting device, characterized by comprising a pulp-formed part die-cutting mechanism according to any one of claims 1 to 3.

5. The slitting apparatus of claim 4, further comprising:

the station switching piece is provided with at least three positioning stations, and the paper pulp forming piece punching mechanism, the forming piece blanking mechanism and the trimming blanking mechanism are sequentially arranged on the side of the station switching piece;

the molded part blanking mechanism is used for driving the pulp molded part to be separated from the positioning station; the trimming and blanking mechanism is used for driving trimming to be separated from the positioning station;

and the switching mechanism drives the positioning station to switch along the directions of the punching mechanism, the formed part blanking mechanism and the trimming blanking mechanism.

6. The slitting apparatus of claim 5 wherein the molded piece blanking mechanism comprises:

the grabbing component is used for grabbing and releasing the paper pulp formed part;

the lifting mechanism is connected with the grabbing component and drives the grabbing component to move towards or back to the positioning station;

the trimming pressing plate is arranged between the positioning station and the grabbing component and is connected with the grabbing component through a second elastic piece, and the second elastic piece has elastic deformation back to the positioning station.

7. The slitting machine of claim 6 wherein the grasping assembly includes a fixedly connected grasping bracket and a grasping member, the trim presser plate being connected to the grasping bracket.

8. The slitting equipment according to claim 5 wherein the edge cutting and blanking mechanism comprises an adsorption bracket and an edge cutting adsorption piece, the adsorption bracket is connected with a traversing mechanism through a lifting mechanism, the lifting mechanism drives the bracket to move towards or away from the positioning station, and the traversing mechanism drives the adsorption bracket to move back and forth between the upper part of the positioning station and the side of the station switching piece.

9. The slitting equipment according to claim 8 wherein the lifting mechanism comprises a telescopic member, and two telescopic ends of the telescopic member are fixedly connected with the sliding block and the adsorption bracket respectively; one of the slide block and the adsorption bracket is provided with a guide rod, and the other is provided with a guide sleeve; the extending direction of the guide rod is consistent with the telescopic direction of the telescopic piece, and the guide rod is movably arranged in the guide sleeve in a penetrating mode.

10. The slitting equipment according to claim 8, wherein the adsorption bracket is provided with a plurality of through holes or long holes, and the trimming adsorption piece is detachably and fixedly connected with the through holes or the long holes.

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