CN213197678U - Soft sheet material cutting device - Google Patents

Abstract

The utility model discloses a soft sheet cutting device belongs to cutting means technical field. The cutting device comprises a cutting support, a cutting driving source and a cutting mechanism, wherein the cutting driving source and the cutting mechanism are installed on the cutting support; the cutting mechanism comprises an upper die and a lower die, wherein the upper die comprises an upper knife for cutting and an upper buffer piece which plays a role in guiding and buffering during cutting; the lower die comprises a lower knife and a material receiving block, a cutting opening for placing the soft thin material is formed between the upper knife and the lower knife, the size of the cutting opening is matched with that of the soft thin material to be cut, and the material receiving block is arranged below the cutting opening; the cutting driving source is connected with the upper die and is configured to drive the upper die to reciprocate up and down to cut the soft thin material. The utility model discloses have buffer function, too big cutting impulsive force and the die-cut excessive or product deformation scheduling problem of product that causes when effectively having avoided the cutting have improved product cutting accuracy, and the soft sheet material edge of a knife after the cutting is level and smooth.

Description

Soft sheet material cutting device

Technical Field

The utility model relates to a cutting tool technical field, concretely relates to soft sheet material cutting device.

Background

The FPC (flexible printed circuit) has multiple types, large production capacity, complex process flow and intensive production equipment types and manpower requirements, and in order to meet the production and intelligent management and control development requirements, intelligent system software such as MES (manufacturing enterprise production process execution system) or SFIS (field information integration system) needs to be introduced for management. In order to realize the purpose of butting the production process information of the FPC with the intelligent system, a two-dimensional code which can contain process serial number information is required to be manufactured on each FPC.

In actual production, the product is usually in a roll format provided by a manufacturer, and the roll product needs to be cut into pieces before the two-dimensional code marking operation is performed on the FPC board. In the prior art, the cutting operation is usually realized by adopting a simple cutter, the acting force is too large during cutting, the cut part of the soft FPC board can generate serious wrinkles, the cutting precision is low, and the product quality is seriously damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft sheet material cutting device with buffer function to solve foretell problem, improve the yields.

In order to achieve the technical purpose, the embodiment of the present invention specifically provides the following technical solutions:

a cutting device for soft thin materials comprises a cutting support, a cutting driving source and a cutting mechanism, wherein the cutting driving source and the cutting mechanism are installed on the cutting support; the cutting mechanism comprises an upper die and a lower die, wherein the upper die comprises an upper cutter for cutting and an upper buffer piece which plays a role in guiding and buffering during cutting; the lower die comprises a lower knife and a material receiving block, a cutting opening for placing the soft thin material is formed between the upper knife and the lower knife, the size of the cutting opening is matched with that of the soft thin material to be cut, and the material receiving block is arranged below the cutting opening; the cutting driving source is connected with the upper die and is configured to drive the upper die to reciprocate up and down to cut the soft thin material.

Further, go up the mould and still include the clamp plate, the upper end of clamp plate with the drive source drive connection cuts, the lower extreme of clamp plate is used for installing go up the sword with go up the bolster.

Further, go up the bolster and include buffer board and elastic mechanism, the elastic mechanism upper end with clamp plate sliding connection, elastic mechanism's lower extreme with buffer board threaded connection.

Furthermore, the elastic mechanism comprises an upper equal-height screw, an upper bushing and an upper elastic piece, the upper bushing is sleeved at the upper end of the upper equal-height screw, the upper end of the upper bushing is connected with the pressure plate, the lower end of the upper equal-height screw is connected with the buffer plate, and two ends of the upper elastic piece are respectively connected with the pressure plate and the buffer plate.

Further, cut the support and include the roof, cut seat and support column, cut the driving source and locate on the roof, the roof with cut between the seat through the support column is connected and is formed certain accommodation space, it locates to cut the mechanism within the accommodation space.

Further, the lower die further comprises a lower buffer piece and a lower die fixing plate connected with the cutting seat, two ends of the lower buffer piece are respectively connected with the material receiving block and the lower die fixing plate, a lower die mounting opening matched with the lower die is formed in the lower die fixing plate, and the lower die is fixed in the lower die mounting opening and tightly attached to the material receiving block.

Further, the lower die further comprises a butt joint block, and the butt joint block is arranged on the lower die fixing plate and located below the upper buffering piece.

Furthermore, the lower buffer part comprises a lower elastic part and a lower pressing guide assembly, and the lower elastic part is arranged on the lower pressing guide assembly in a surrounding mode or the lower elastic part and the lower pressing guide assembly are arranged in parallel.

Furthermore, the pressing guide assembly comprises a lower equal-height screw and a lower bushing, the upper end of the lower equal-height screw is sleeved with the lower bushing, the upper end of the lower bushing is connected with the material receiving block in a sliding mode, and the lower end of the lower equal-height screw is connected with the lower die fixing plate in a threaded mode.

Furthermore, a guide pillar assembly for realizing vertical positioning is arranged between the upper die and the lower die, the upper end of the guide pillar assembly is connected with the upper die in a sliding mode, and the lower end of the guide pillar assembly is fixedly connected with the lower die.

Compared with the prior art, the utility model has the advantages of: the upper buffer piece and the lower buffer piece which are used for playing a role in buffering during cutting are arranged, so that the problems of excessive punching of products or product deformation and the like caused by excessive cutting impact force during cutting are effectively solved, the product cutting precision is improved, and the cut soft thin material knife edge is smooth.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is another schematic perspective view of an embodiment of the present invention.

Fig. 3 is a schematic structural view of the lower mold in the embodiment of the present invention.

Fig. 4 is a schematic structural view of an upper mold in the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an upper buffer according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of the push-down guiding assembly according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of the upper knife and the lower knife in the embodiment of the present invention.

Wherein the reference numerals are as follows: 1-cutting device, 10-cutting holder, 101-top plate, 102-cutting base, 103-support post, 12-cutting drive source, 14-top die, 141-top knife, 142-top buffer, 1421-buffer plate, 1422-elastic mechanism, 1423-upper-equal-height screw, 1424-upper bushing, 1425-upper elastic piece, 143-pressing plate, 15-bottom die, 151-bottom knife, 152-receiving block, 153-bottom buffer, 1531-lower elastic piece, 1532-lower-pressure guide component, 1533-lower-equal-height screw, 1534-lower bushing, 154-bottom die fixing plate, 155-abutting block, 1551-bottom knife mounting port, 16-cutting port, 17-guide post component, 171-guide post, 172-linear bearing, 18-floating joint, 19-balance member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to 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.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 to 7, in an embodiment of a cutting device for soft thin materials according to the present invention, the cutting device 1 includes a cutting frame 10, and a cutting driving source 12 and a cutting mechanism mounted on the cutting frame 10.

Referring to fig. 1 and 2, the cutting mechanism includes an upper die 14 and a lower die 15, the upper die 14 includes an upper knife 141 for cutting and an upper buffer 142 for guiding and buffering during cutting; the lower die 15 comprises a lower knife 151 and a material receiving block 152, a cutting opening 16 for placing the soft thin material is formed between the upper knife 141 and the lower knife 151, the size of the cutting opening 16 is matched with that of the soft thin material to be cut, and the material receiving block 152 is arranged below the cutting opening 16; a cutting drive source 12 is connected to the upper die 14, and the cutting drive source 12 is configured to drive the upper die 14 to reciprocate up and down to cut the soft sheet. During actual work, the cutting driving source 12 drives the upper die 14 to drive the upper knife 141 to press down for cutting, the upper knife 141 is a movable knife, the lower knife 151 is a fixed knife, the upper knife 141 and the lower knife can be combined to achieve better cutting, the upper buffer piece 142 plays a better buffering role during cutting, damage to products is avoided, and product quality is guaranteed.

With reference to fig. 1 and fig. 2, the cutting support 10 includes a top plate 101, a cutting base 102 and a supporting column 103, the cutting driving source 12 is disposed on the top plate 101, the top plate 101 and the cutting base 102 are connected by the supporting column 103 to form a certain accommodating space, and the cutting mechanism is disposed in the accommodating space. Specifically, the supporting columns 103 are uniformly arranged around the top plate 101 and the cutting seat 102.

With continued reference to fig. 1, 2 and 4, the upper die 14 further includes a pressing plate 143, an upper end of the pressing plate 143 is drivingly connected to the cutting driving source 12, and a lower end of the pressing plate 143 is used for mounting the upper blade 141 and the upper cushion 142. Further, the lower end of the pressing plate 143 is further provided with a balance 19, the upper knife 141 is provided at the center of the pressing plate 143, the upper cushion 142 is provided at one side of the upper knife 141, and the balance 19 is provided at the other side of the upper knife 141. The provision of the balance member 19 avoids possible unbalance of the pressure plate 143 and maintains the upper die 14 in a vertical cut. Specifically, the balance member 19 may be configured as a height screw, and the size of the height screw is different according to actual conditions. The balance piece 19 is screwed to the pressure plate 19.

Further, the cutting driving source 12 may be a linear motor or an air cylinder. In this embodiment, the cutting drive source 12 is a cylinder. Specifically, as shown in fig. 1, 2 and 4, cutting drive source 12 is connected to drive platen 143 by floating joint 18. The reason for combining the floating joint 18 with the cutting drive source 12 is: if the cutting drive source 12 is directly connected to the pressing plate 143, the "bending of the piston rod", "wear of the rod bearing and the rod seal", etc. may occur due to "eccentricity", "poor accuracy of balance", etc., which may reduce the cutting performance and shorten the life of the cutting drive source 12. The floating joint 18 can solve the problem of eccentricity, make the cutting driving source 12 operate smoothly, and when the eccentricity and the parallel precision of the floating joint 18, the balance pressing plate 143 and the cutting driving source 12 are not enough, make it work in the allowable eccentricity range, and at the same time eliminate the interference phenomenon caused by the connection error, and can properly enlarge the machining precision of the mating member.

Referring to fig. 1, fig. 2 and fig. 4, the upper buffer 142 includes a buffer plate 1421 and an elastic mechanism 1422, an upper end of the elastic mechanism 1422 is slidably connected to the pressing plate 143, and a lower end of the elastic mechanism 1422 is threadedly connected to the buffer plate 1421. The elastic mechanism 1422 and the buffer plate 1421 are used together to achieve a better buffering effect. To provide better cushioning, two sets of elastic mechanisms 1422 are provided.

Referring to fig. 1, 2, 4 and 5, the elastic mechanism 1422 includes an upper equal-height screw 1423, an upper bushing 1424 and an upper elastic member 1425, the upper bushing 1424 is sleeved on the upper end of the upper equal-height screw 1423, the upper end of the upper bushing 1424 is connected to the pressing plate 143, the lower end of the upper equal-height screw 1423 is connected to the buffer plate 1421, and two ends of the upper elastic member 1425 are respectively connected to the pressing plate 143 and the buffer plate 1421. Further, the upper elastic member 1425 is sleeved on the upper bushing 1424 and the upper high screw 1423 between the pressing plate 143 and the buffer plate 1421. The upper equal-height screw 1423 and the upper bushing 1424 are disposed to ensure that the upper elastic member 1425 can move vertically without tilting, thereby performing a motion guiding function.

Referring to fig. 1 to 3 and 5, the lower mold 15 further includes a lower buffer 153 and a lower mold fixing plate 154 connected to the cutting seat 102, two ends of the lower buffer 153 are respectively connected to the material receiving block 152 and the lower mold fixing plate 154, a lower cutter mounting opening 1551 adapted to the lower cutter 151 is formed in the lower mold fixing plate 154, and the lower cutter 151 is fixed in the lower cutter mounting opening 1551 and is disposed closely to the material receiving block 152.

Referring to fig. 1 to 3, the lower mold 15 further includes an abutting block 155, and the abutting block 155 is disposed on the lower mold fixing plate 154 and located below the upper cushion 142. The abutting block 155 is used for abutting the upper buffer 142 when the upper buffer is pressed down, and meanwhile, a product can be placed. Preferably, the abutting block 155 and the material receiving block 152 are arranged close to the lower knife 151, so that the phenomenon that the soft board sinks due to gaps is prevented, meanwhile, the lower knife 151 is kept stable, and shaking during cutting is prevented. Wherein the abutting block 155 is matched with the shape of the abutting surface of the lower knife 151, and the receiving block 152 is also. Preferably, the abutment block 155 is at the same height as the lower knife 151, and when cutting, the product enters from the end where the abutment block 155 is located, and the height of the abutment block and the height of the lower knife are at the same height to realize flat cutting.

Referring to fig. 1, 3 and 6, the lower cushion 153 includes a lower elastic element 1531 and a pressing guide element 1532, and the lower elastic element 1531 is disposed around the pressing guide element 1532 or the lower elastic element 1531 and the pressing guide element 1532 are disposed in parallel. The lower elastic member 1531 prevents a large impact force generated when cutting is pressed down from affecting the lower mold 15, and plays a role of buffering and protecting the lower mold 15. The provision of the push-down guide assembly 1532 enables the lower elastic member 1532 to be pushed down vertically, ensuring smooth cutting of the product. In addition, if the height of the material receiving block 152 is consistent with the height of the lower knife 151, the lower buffer 153 can also play a role of avoiding position during cutting.

In this embodiment, as shown in fig. 1 and 3, the lower elastic member 1531 and the pressing guide member 1532 are disposed in parallel. To achieve better protection of the lower mold 15, the lower buffer 153 has two sets, and the lower elastic element 1531 and the pressing guide element 1532 in each set are disposed adjacent to each other. In this embodiment, the upper buffer member 142 and the lower buffer member 154 are used in cooperation, so as to achieve a better buffering effect, and the yield of the product is higher, and meanwhile, the phenomenon that the cutting device itself is damaged due to over-violent cutting is not generated.

Referring to fig. 1, 3 and 6, the pressing guide assembly 1532 includes a lower equal-height screw 1533 and a lower bushing 1534, the lower bushing 1534 is sleeved on an upper end of the lower equal-height screw 1533, an upper end of the lower bushing 1534 is slidably connected to the receiving block 152, and a lower end of the lower equal-height screw 1533 is threadedly connected to the lower mold fixing plate 154.

With continued reference to fig. 1, 2 and 4, a guide pillar assembly 17 for realizing vertical positioning is disposed between the upper die 14 and the lower die 15, an upper end of the guide pillar assembly 17 is slidably connected to the upper die 14, and a lower end of the guide pillar assembly 17 is fixedly connected to the lower die 15. Specifically, the guide post assembly 17 includes a linear bearing 172 for slidably connecting the guide post 171 with the upper mold 15, and the linear bearing 172 is sleeved on the upper end of the guide post 171.

The utility model discloses a soft sheet cutting device not only is applicable to the cutting of FPC soft board, also is applicable to the cutting of other each slice sheet.

In the description herein, references to the description of "an embodiment," "another embodiment," "a preferred embodiment," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single technical solution, and such description of the specification is only for convenience of description, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims (10)

1. A soft thin material cutting device is characterized in that: the cutting device comprises a cutting support, a cutting driving source and a cutting mechanism, wherein the cutting driving source and the cutting mechanism are installed on the cutting support; the cutting mechanism comprises an upper die and a lower die, wherein the upper die comprises an upper cutter for cutting and an upper buffer piece which plays a role in guiding and buffering during cutting; the lower die comprises a lower knife and a material receiving block, a cutting opening for placing the soft thin material is formed between the upper knife and the lower knife, the size of the cutting opening is matched with that of the soft thin material to be cut, and the material receiving block is arranged below the cutting opening; the cutting driving source is connected with the upper die and is configured to drive the upper die to reciprocate up and down to cut the soft thin material.

2. A flexible sheet material cutting apparatus as claimed in claim 1, wherein: the upper die further comprises a pressing plate, the upper end of the pressing plate is in driving connection with the cutting driving source, and the lower end of the pressing plate is used for installing the upper knife and the upper buffering piece.

3. A flexible sheet material cutting apparatus as claimed in claim 2, wherein: the upper buffering piece comprises a buffering plate and an elastic mechanism, the upper end of the elastic mechanism is connected with the pressing plate in a sliding mode, and the lower end of the elastic mechanism is connected with the buffering plate in a threaded mode.

4. A flexible sheet material cutting apparatus as claimed in claim 3, wherein: the elastic mechanism comprises an upper equal-height screw, an upper bushing and an upper elastic piece, the upper bushing is sleeved at the upper end of the upper equal-height screw, the upper end of the upper bushing is connected with the pressure plate, the lower end of the upper equal-height screw is connected with the buffer plate, and two ends of the upper elastic piece are respectively connected with the pressure plate and the buffer plate.

5. A flexible sheet material cutting apparatus as claimed in claim 1, wherein: the cutting support comprises a top plate, a cutting seat and a supporting column, the cutting driving source is arranged on the top plate, the top plate and the cutting seat are connected through the supporting column to form a certain containing space, and the cutting mechanism is arranged in the containing space.

6. A flexible sheet material cutting apparatus as claimed in claim 5, wherein: the lower die further comprises a lower buffer and a lower die fixing plate connected with the cutting seat, two ends of the lower buffer are respectively connected with the material receiving block and the lower die fixing plate, a lower die mounting opening matched with the lower die is formed in the lower die fixing plate, and the lower die is fixed in the lower die mounting opening and tightly attached to the material receiving block.

7. A flexible sheet material cutting apparatus as claimed in claim 6, wherein: the lower die further comprises a butt joint block, and the butt joint block is arranged on the lower die fixing plate and located below the upper buffering piece.

8. A flexible sheet material cutting apparatus as claimed in claim 6, wherein: the lower buffering part comprises a lower elastic part and a lower pressing guide assembly, wherein the lower elastic part is arranged on the lower pressing guide assembly in a surrounding mode or arranged in parallel with the lower pressing guide assembly.

9. A flexible sheet material cutting apparatus as claimed in claim 8, wherein: the lower pressing guide assembly comprises a lower equal-height screw and a lower bushing, the upper end of the lower equal-height screw is sleeved with the lower bushing, the upper end of the lower bushing is in sliding connection with the material receiving block, and the lower end of the lower equal-height screw is in threaded connection with the lower die fixing plate.

10. A flexible sheet material cutting apparatus as claimed in claim 1, wherein: a guide pillar assembly for realizing vertical positioning is arranged between the upper die and the lower die, the upper end of the guide pillar assembly is connected with the upper die in a sliding manner, and the lower end of the guide pillar assembly is fixedly connected with the lower die.

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