CN116944289A - Cutter splicing device suitable for center of bending machine and use method - Google Patents

Abstract

The application discloses a cutter splicing device suitable for the center of a bending machine and a use method thereof, wherein the cutter splicing device comprises a pressing seat, a pressing and arranging mechanism and a plurality of pressing cutters; the plurality of pressing cutters comprise N first pressing cutters which are sequentially arranged side by side, and a plurality of second pressing cutters which are respectively arranged at two end sides of the N first pressing cutters, wherein an elastic piece is arranged between two adjacent first pressing cutters, the elastic piece enables an adjusting gap to be formed between the two adjacent first pressing cutters in a free state, the width of the adjusting gap is set to be A, the width of a pressing range of the first pressing cutters is set to be C, the width of a pressing range of the second pressing cutters is set to be B, and A (N-1) is set to be more than or equal to 2B; the pressing and assembling mechanism comprises two pressing parts and a pressing driving part, N first pressing cutters are set to be initial pressing cutter groups, and the pressing parts are used for grasping the first pressing cutters at the end parts of the initial pressing cutter groups and any one second pressing cutter at the end sides. The two pressing parts are driven to approach or separate by the pressing driving part, so that the cutter assembly can be realized, and stepless pressing width adjustment is completed.

Description

Cutter splicing device suitable for center of bending machine and use method

Technical Field

The application relates to the technical field of bending equipment, in particular to a cutter splicing device suitable for the center of a bending machine and a using method.

Background

The flexible bending center is a machine capable of bending a metal sheet and is mainly applied to the field of metal sheet processing. The flexible bending machine can bend the metal plate at various angles by using a simple die, so that the metal plate with a complex shape can be obtained. The utility model provides a piece of board is pressed through pressing the sword mechanism in the time of using generally, and the mechanism of bending of rear side is bent, when bending to the panel four sides, need to press the compaction range of sword to the panel of different length and adjust, be the piece together the sword promptly, also appear some piece together the sword device of bending in the existing market, but current piece together the sword device and have a problem: the structure is complex, and the precision requirement to manufacturing is very high, thereby leads to the price to expensive, and in addition, adjustable performance is poor, because every press cutter all has certain width that compresses tightly, if arrange through this a plurality of press cutters in combination, can only deal with the panel of settlement length, can not realize the stepless regulation to whole compression scope.

Disclosure of Invention

The application aims to provide a cutter splicing device suitable for a bending machine center and a using method thereof, which are used for solving one or more technical problems in the prior art and at least providing a beneficial selection or creation condition.

The technical scheme adopted for solving the technical problems is as follows:

the application provides a cutter splicing device suitable for a bending machine center, which comprises the following components: the pressing seat, the pressing and splicing mechanism and the plurality of pressing cutters are arranged on the pressing seat in a left-right arrangement manner;

the plurality of pressing knives comprise N first pressing knives which are sequentially arranged side by side, a plurality of second pressing knives which are respectively arranged at two end sides of the N first pressing knives, an elastic piece is arranged between every two adjacent first pressing knives, an adjusting gap is formed between every two adjacent first pressing knives by the elastic piece in a free state, the width of the adjusting gap is set to be A, the width of a pressing range of each first pressing knife is set to be C, the width of a pressing range of each second pressing knife is set to be B, and A (N-1) is set to be more than or equal to 2B;

the pressing and arranging mechanism comprises two pressing parts which are respectively arranged at two end sides of the N first pressing cutters, and a pressing driving part which enables the two pressing parts to be close to or far away from each other, wherein the N first pressing cutters are set as an initial pressing cutter group, and the pressing parts are used for grasping the first pressing cutters at the end parts of the initial pressing cutter group and any one second pressing cutter at the end sides.

The cutter splicing device has the beneficial effects that: when the device is used, the two pressing parts are driven to move through the pressing driving part, so that the two pressing parts are close to and far away from each other, the two pressing parts grasp different pressing knives according to the bending width of the plate, when the bending width of the plate is within the range of A (N-1) +NC, the plate is pressed and bent through the initial pressing knife group, the pressing parts grasp the first pressing knives at the two ends of the initial pressing knife group, the first pressing knives at the two ends are driven to be close to each other for pressing, the elastic piece is compressed to adjust the adjusting gap between every two adjacent first pressing knives, the adjusting range is between A (N-1) +NC and NC, the minimum bending width of the plate suitable for the initial pressing knife group is NC, and the adjusting gap between the first pressing knives at the moment is zero, namely the initial pressing knife group can be adjusted steplessly between NC and A (N-1) +NC; when the bending width of the plate is larger than A (N-1) +NC, the pressing parts grasp a corresponding second pressing knife at the end side of the initial pressing knife group, the two pressing parts can push the second pressing knife to the initial pressing knife group respectively, the maximum range of the pressing width at the moment is A (N-1) +NC+2B, namely, stepless adjustment can be carried out between A (N-1) +NC and A (N-1) +NC+2B at the moment, if the bending width of the plate is increased again, the pressing parts move outwards to grasp the next second pressing knife at the outer side, at the moment, the two second pressing knives are pushed into the initial pressing knife group, and the like, so that the plate with different bending widths can be met.

As a further improvement of the technical scheme, the number of the first pressing cutters is odd, and the first pressing cutters in the middle are relatively fixedly arranged with the pressing seat.

In order to facilitate adjustment and reduce the cost of device manufacturing, the first clamp knife in the middle of the setting is the center of compressing tightly of bending in this scheme, and this first clamp knife is fixed in on the pressure seat, and two pressfitting portions are being close to each other and when keeping away from the removal this moment, can keep the center that wholly compresses tightly to be located the first clamp knife in the middle, greatly reduced numerical control programming complexity like this, at this moment, through detecting the shift position between two pressfitting portions, can detect the interval of two pressfitting portions, also just obtain the scope of compressing tightly width of bending.

As a further improvement of the above technical solution, the pressing portion includes a board disposed at a front side or a rear side of the pressing blade, and a row driver for driving the board to move in a front-rear direction.

The pressfitting portion in this scheme drives the clamp knife through the flexible mode of stirring of picture peg and removes, specifically: the power strip driving piece drives the plugboard to stretch back and forth, so that the plugboard is abutted with the corresponding pressing knife, and then the pressing driving piece drives the whole pressing part to move, so that the corresponding pressing knife is driven to move in the left-right direction.

As a further improvement of the technical scheme, a slot is formed at the joint of the two adjacent pressing cutters. In order to facilitate insertion of the plugboard, the slot is formed when two adjacent pressing cutters are attached, when the corresponding pressing cutters are required to be pressed, the plugboard is inserted into the slot on the outer side of the pressing cutters, the plugboard acts on the pressing cutters from outside to inside at the moment, the pressing cutters can be pressed inwards, when the corresponding pressing cutters are pressed to be separated, the plugboard is inserted into the slot on the inner side of the pressing cutters, and the plugboard acts on the pressing cutters from inside to outside at the moment, so that the pressing cutters can be separated outwards.

As a further improvement of the above technical solution, the press driving component includes two press driving assemblies, and the two press driving assemblies are respectively in transmission connection with the press portion.

The two pressfitting drive assembly is used for driving the two pressfitting parts to move respectively.

As a further improvement of the technical scheme, the pressing driving assembly comprises a sliding seat, a screw rod and a motor driving group, wherein the sliding seat is in sliding connection with the pressing seat, the screw rod is in threaded transmission fit with the sliding seat, the motor driving group is in transmission connection with the screw rod, and the pressing part is arranged on the sliding seat.

According to the scheme, the pressing driving assembly drives the screw rod to rotate through the motor driving group, the sliding seat is driven to move left and right under the threaded transmission cooperation of the screw rod and the sliding seat, and the sliding seat can drive the pressing part to move left and right.

As a further improvement of the technical scheme, the bottom of the pressing seat is provided with a sliding rail, and other pressing knives are in sliding fit with the sliding rail except the first pressing knife in the middle.

The pressing knife is slidably mounted on the sliding rail, so that the sliding stability of the movable pressing knife can be improved.

As a further improvement of the technical scheme, the elastic piece is a spring, and the end part of the spring is fixedly connected with the first pressing knife.

As a further improvement of the above technical solution, said B is equal to C. Therefore, the widths of the compression ranges of the first compression knife and the second compression knife are equal, and the control is more facilitated.

In addition, the application also provides a use method suitable for the cutter splicing device, which comprises the following steps of:

if L is not smaller than NC and not larger than (N-1) A+NC, the two pressing parts grasp the first pressing cutters at the two ends to press, so that stepless adjustment of the pressing width of the initial pressing cutter set is realized;

if L is greater than (N-1) A+NC and not greater than (N-1) A+NC+2B, respectively grabbing a first second pressing knife in close proximity to the left end and the right end of the initial pressing knife group, pressing the two second pressing knives and the initial pressing knife group together by the two pressing parts, and compressing the elastic piece to realize stepless adjustment of the whole pressing width;

if the L is increased by 2B, respectively grabbing a second pressing knife close to the inner part of the two pressing parts, pushing the second pressing knives into the left end and the right end of the initial pressing knife group, and pressing the four second pressing knives and the initial pressing knife group together by the two pressing parts;

and by analogy, the compression of the widths of the plates to be bent is realized, and the initial compression range of the cutter splicing device is NC.

Drawings

The application is further described below with reference to the drawings and examples;

FIG. 1 is a schematic view of a rear structure of an embodiment of a cutter assembly according to the present application;

FIG. 2 is a rear view of one embodiment of a blade assembly provided by the present application;

FIG. 3 is a schematic view of a front side structure of an embodiment of the present application;

FIG. 4 is a side view of one embodiment of a blade assembly provided by the present application;

FIG. 5 is a schematic view of an embodiment of a cutter assembly according to the present application when the elastic member is free and no second pressing cutter is pushed in;

FIG. 6 is a schematic view of an embodiment of a cutter assembly according to the present application, wherein the elastic member is not pushed in by the second pressing cutter in the compressed state;

FIG. 7 is a schematic view of an embodiment of a cutter assembly according to the present application when two ends of an elastic member are pushed into a second pressing cutter respectively in a free state;

fig. 8 is a schematic diagram of the use of the cutter splicing device according to the present application when two ends of the elastic member are pushed into two second pressing cutters respectively in a free state.

Description of the embodiments

Reference will now be made in detail to the present embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present application, but not to limit the scope of the present application.

In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

In the description of the present application, if there is a word description such as "a plurality" or the like, the meaning of a plurality is one or more, and the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number.

In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 8, the cutter splicing device suitable for the center of a bending machine according to the present application performs the following embodiments:

the cutter splicing device of the embodiment comprises: the device comprises a pressing seat 100, a pressing and arranging mechanism and a plurality of pressing cutters.

The pressing seat 100 is installed on the bending machine in a vertically sliding manner, and when the bending machine is used, the pressing seat 100 is driven to move up and down through the pressing knife driving mechanism so as to compress the plate.

The plurality of pressing knives comprises N first pressing knives 200 and a plurality of second pressing knives 300, wherein the N first pressing knives 200 are arranged at the bottom of the pressing seat 100 side by side left and right, the N first pressing knives 200 are set to be initial pressing knife groups at the moment, the setting of N can be determined according to actual requirements, the elastic piece 400 is arranged between every two adjacent first pressing knives 200 according to the range of bending plates, when the elastic piece 400 is in a free state, an adjusting gap is formed between the two adjacent first pressing knives 200, the width of the adjusting gap is set to be A, and the width of the pressing range of the cutting edge of the first pressing knives 200 is set to be C.

And a plurality of second pressing knives 300 are uniformly distributed at the left end and the right end of the initial pressing knife group, the second pressing knives 300 are also sequentially arranged left and right, N first pressing knives 200 and a plurality of second pressing knives 300 are sequentially arranged left and right at the bottom of the pressing seat 100, and the width of the pressing range of the edges of the second pressing knives 300 is set to be B.

In other embodiments, the first pressing blade 200 and the second pressing blade 300 are both slidably mounted on the pressing seat 100, and in this embodiment, in order to facilitate adjustment and reduce the manufacturing cost of the device, the number of the first pressing blades 200 is set to be odd, that is, N is odd, and the first pressing blade 200 in the middle of the initial pressing blade set is fixed on the pressing seat 100, where the first pressing blade 200 in the middle is the center of bending and pressing.

The pressing and arranging mechanism comprises two pressing parts 500 and a pressing driving part, wherein the two pressing parts 500 are respectively arranged at two end sides of the N first pressing knives 200, and the pressing parts 500 are used for clamping the first pressing knives 200 at the end parts of the initial pressing knife group and any one of the second pressing knives 300 at the end sides of the initial pressing knife group.

The nip driving member is used to drive the two nips 500 toward and away from each other in the left-right direction.

The A, B, N described above needs to satisfy the following relationship: AN-1 is more than or equal to 2B, when the device is used, the two pressing parts 500 are driven to move through the pressing driving part, the two pressing parts 500 are close to and far away from each other, according to the bending width of a plate, the two pressing parts 500 grip different pressing knives, when the bending width of the plate is within the range of AN-1+NC, the plate is pressed and bent through the initial pressing knife group, the pressing parts 500 grip the first pressing knives 200 at two ends of the initial pressing knife group, the first pressing knives 200 at two ends are driven to be close to each other for pressing, the elastic piece 400 is compressed to adjust the adjusting gap between every two adjacent first pressing knives 200, the adjusting range is between AN-1+NC and NC, the minimum bending width of the plate suitable for the initial pressing knife group is NC, and the adjusting gap between the first pressing knives 200 at the moment is zero, that is to say, the initial pressing knife group can be adjusted steplessly between NC and AN-1+NC; when the bending width of the sheet is greater than AN-1+nc, the press-fit portions 500 grip a corresponding one of the second press-fit blades 300 at the end sides of the initial press-fit blade groups, the two press-fit portions 500 can push the corresponding one of the second press-fit blades 300 to the initial press-fit blade groups, the maximum range of the pressing width at this time is AN-1+nc+2b, that is, stepless adjustment can be performed between AN-1+nc and AN-1+nc+2b, if the bending width of the sheet is increased again, the press-fit portions 500 move outwards to grip the next outer second press-fit blade 300, at this time, the two second press-fit blades 300 are pushed into the initial press-fit blade groups, and so on, so that the sheet with different bending widths can be satisfied, and when the bending width of the sheet is reduced, the press-fit portions 500 move outwards to grip the second press-fit blades 300 at the inner side or directly grip the first press-fit blades 200 at the two ends of the initial press-fit blade groups.

The middle first pressing knife 200 is set as the center of bending and pressing, and at this time, when the two pressing parts 500 move close to and away from each other, the center of the whole pressing can be kept at the middle first pressing knife 200, thus greatly reducing the complexity of numerical control programming, at this time, the distance between the two pressing parts 500 can be detected by detecting the moving position between the two pressing parts 500, and the range of bending and pressing width can be obtained.

Further, the press-fit portion 500 of the present embodiment includes a plugboard 510 and a socket driving member 520, wherein the plugboard 510 is disposed at a front side or a rear side of the press blade, the socket driving member 520 is configured to drive the plugboard 510 to move back and forth, and the press-fit portion 500 drives the press blade to move in a manner of stretching and toggling the plugboard 510, specifically: the socket driving member 520 drives the socket 510 to stretch back and forth, so that the socket 510 abuts against the corresponding pressing tool, and then the pressing driving member drives the whole pressing portion 500 to move, thereby driving the corresponding pressing tool to move in the left-right direction.

In order to facilitate insertion of the insert plate 510, an insertion slot is formed at the joint of every two adjacent pressing knives, the insertion slot is formed when two pressing knives are jointed, when the corresponding pressing knives are required to be pressed, the insert plate 510 is inserted into the insertion slot on the outer side of the pressing knives, the insert plate 510 acts on the pressing knives from outside to inside, the pressing knives can be pressed inwards, when the corresponding pressing knives are pressed for separation, the insert plate 510 is inserted into the insertion slot on the inner side of the pressing knives, and the insert plate 510 acts on the pressing knives from inside to outside, and the pressing knives can be separated outwards.

In other embodiments, pin slots may be provided on the blade for insertion of the insert plate 510.

In some embodiments, the pressing portion 500 may have other structures, such as a grabbing manipulator, a sucker, or a magnetic block, and may be capable of grabbing the pressing blade and fixing the pressing blade relatively in the left-right direction.

The press driving component of the present embodiment includes two press driving assemblies, and the two press portions 500 are driven to move by the two press driving assemblies respectively.

The pressing driving assembly comprises a sliding seat 600, a screw rod and a motor driving group 610, wherein a beam for installing the sliding seat 600 is arranged on the front side of the pressing seat 100, the sliding seat 600 is slidably installed on the beam, the screw rod is horizontally extended and rotationally installed on the beam, the motor driving group 610 is connected with the screw rod, the sliding seat 600 is provided with a screw hole matched with the screw rod in a threaded transmission manner, the pressing part 500 is installed on the sliding seat 600, the pressing driving assembly drives the screw rod to rotate through the motor driving group 610, the sliding seat 600 is driven to horizontally move under the threaded transmission cooperation of the screw rod and the sliding seat 600, and the sliding seat 600 can drive the pressing part 500 to horizontally move.

The bottom of the pressing seat 100 is provided with a sliding rail 110 extending left and right, and other pressing knives except the first pressing knife 200 in the middle are in sliding connection and matched with the sliding rail 110, so that the sliding stability of the moving pressing knife can be improved.

In this embodiment, the elastic member 400 is a spring, and two ends of the spring are fixedly connected with the two first pressing knives 200 respectively.

Wherein, the width of the pressing range of the first pressing knife 200 is equal to that of the pressing range of the second pressing knife 300, and the control is more facilitated.

The embodiment also provides a use method of the cutter splicing device, which is suitable for the cutter splicing device, and the method comprises the following steps of:

when L is not less than NC and not more than N-1a+nc, the two press nips 500 grasp the first press blades 200 at both ends of the initial press blade group to press, thereby realizing stepless adjustment of the pressing width of the initial press blade group;

when L is greater than N-1a+nc and not greater than N-1a+nc+2b, the two pressing parts 500 respectively grip the first one of the second pressing blades 300 abutted against one side of the initial pressing blade set and push the two pressing blades into the left and right ends of the initial pressing blade set, and the two pressing parts 500 press the two second pressing blades 300 together with the first pressing blade 200, so that the elastic member 400 is compressed, thereby realizing stepless adjustment of the whole pressing width;

then when the L is increased by 2B, the two pressing parts 500 respectively grip the second pressing knives 300 close to one side of the initial pressing knife group and push the second pressing knives 300 into the left end and the right end of the initial pressing knife group, and the two pressing parts 500 press the four second pressing knives 300 together with the first pressing knife 200;

and so on, the compression of the widths of the plates to be bent in different modes is realized.

The initial compaction range of the cutter splicing device is NC, and then the numerical values of N and C can be changed for different plates.

While the preferred embodiment of the present application has been described in detail, the application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the application, and these modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.

Claims (10)

1. The utility model provides a piece together sword device suitable for bender center which characterized in that: it comprises the following steps: the pressing seat (100), the pressing and splicing mechanism and the plurality of pressing cutters which are arranged on the pressing seat (100) left and right;

the plurality of pressing knives comprise N first pressing knives (200) which are sequentially arranged side by side, a plurality of second pressing knives (300) which are respectively arranged at two end sides of the N first pressing knives (200), an elastic piece (400) is arranged between two adjacent first pressing knives (200), the elastic piece (400) enables two adjacent first pressing knives (200) to form an adjusting gap in a free state, the width of the adjusting gap is set to be A, the width of the pressing range of the first pressing knives (200) is set to be C, the width of the pressing range of the second pressing knives (300) is set to be B, and the width of the pressing range of A (N-1) is set to be more than or equal to 2B;

the pressing and arranging mechanism comprises two pressing parts (500) which are respectively arranged at two end sides of the N first pressing knives (200), pressing driving parts which enable the two pressing parts (500) to be close to or far away from each other, the N first pressing knives (200) are set to be initial pressing knife groups, and the pressing parts (500) are used for grabbing the first pressing knives (200) at the end parts of the initial pressing knife groups and any one second pressing knife (300) at the end sides.

2. A blade assembly for a bending machine center as claimed in claim 1, wherein:

the number of the first pressing cutters (200) is odd, and the first pressing cutters (200) in the middle and the pressing seat (100) are relatively and fixedly arranged.

3. A blade assembly for a bending machine center as claimed in claim 1, wherein:

the pressing part (500) comprises a plugboard (510) arranged at the front side or the rear side of the pressing knife and a plugboard driving piece (520) for driving the plugboard (510) to move in the front-back direction.

4. A blade assembly for a bending machine center as claimed in claim 3, wherein:

and a slot is formed at the joint of the two adjacent pressing cutters.

5. A blade assembly for a bending machine center as claimed in claim 1, wherein:

the pressing driving component comprises two pressing driving components, and the two pressing driving components are respectively in transmission connection with the pressing part (500).

6. A blade assembly for a bending machine center as defined in claim 5, wherein:

the pressing driving assembly comprises a sliding seat (600) in sliding connection with the pressing seat (100), a screw rod in threaded transmission fit with the sliding seat (600) and a motor driving group (610) in transmission connection with the screw rod, and the pressing part (500) is arranged on the sliding seat (600).

7. A blade assembly for a bending machine center as claimed in claim 2, wherein:

the bottom of the pressing seat (100) is provided with a sliding rail (110), and other pressing knives are in sliding fit with the sliding rail (110) except the first pressing knife (200) in the middle.

8. A blade assembly for a bending machine center as claimed in claim 1, wherein:

the elastic piece (400) is a spring, and the end part of the spring is fixedly connected with the first pressing knife (200).

9. A blade assembly for a bending machine center as claimed in claim 1, wherein:

the B is equal to C.

10. A method of using a blade assembly as claimed in any one of claims 1 to 9, wherein: firstly, setting the width of a plate to be bent as L and setting the width of a compression range of a first compression knife (200) as C, wherein the specific method is as follows:

if L is not smaller than NC and not larger than (N-1) A+NC, the two pressing parts (500) grip the first pressing cutters (200) at the two ends to press, so that stepless adjustment of the pressing width of the initial pressing cutter group is realized; if L is greater than (N-1) A+NC and not greater than (N-1) A+NC+2B, the two pressing parts (500) respectively grip the first second pressing blades (300) in close proximity to the left and right ends of the initial pressing blade group, the two pressing parts (500) press the two second pressing blades (300) and the initial pressing blade group together, and the elastic piece (400) is compressed to realize stepless adjustment of the whole pressing width;

if L is increased by 2B, the two pressing parts (500) respectively grip the second pressing knives (300) closely in the two pressing parts and push the second pressing knives into the left end and the right end of the initial pressing knife group, and the two pressing parts (500) press the four second pressing knives (300) and the initial pressing knife group together;

and so on.