EP4205927A1 - Schneidschablonenklemm- und -begrenzungsvorrichtung und schneidverarbeitungszentrum damit - Google Patents

Schneidschablonenklemm- und -begrenzungsvorrichtung und schneidverarbeitungszentrum damit Download PDF

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Publication number
EP4205927A1
EP4205927A1 EP21942801.8A EP21942801A EP4205927A1 EP 4205927 A1 EP4205927 A1 EP 4205927A1 EP 21942801 A EP21942801 A EP 21942801A EP 4205927 A1 EP4205927 A1 EP 4205927A1
Authority
EP
European Patent Office
Prior art keywords
die cutter
die
limiting
fixing plate
pressing plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21942801.8A
Other languages
English (en)
French (fr)
Other versions
EP4205927A4 (de
Inventor
Huizhong TONG
Wenyin WANG
Xiebin WANG
Junxiang TONG
Xiaozhong TONG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Quzhou Taiwei Precise Machinery Co Ltd
Original Assignee
Quzhou Taiwei Precise Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Quzhou Taiwei Precise Machinery Co Ltd filed Critical Quzhou Taiwei Precise Machinery Co Ltd
Publication of EP4205927A1 publication Critical patent/EP4205927A1/de
Publication of EP4205927A4 publication Critical patent/EP4205927A4/de
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/14—Particular arrangements for handling and holding in place complete dies
    • B21D37/145—Die storage magazines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D2007/2607—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member for mounting die cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B26F2001/4463—Methods and devices for rule setting, fixation, preparing cutting dies

Definitions

  • the present invention relates to the technical field of cutting machines, and in particular to a die cutter clamping and limiting device and a cutting and processing center using the device.
  • the cutting machines requires frequent change of die cutters based on cutting patterns, and the die cutters are usually disposed on die cutter plates.
  • the die cutters are mostly changed manually, which leads to long change time and low efficiency.
  • the position of the changed die cutters has poor repeatability and the size of the cut products is low in accuracy.
  • some cutting machines adopt a mechanical device for automatic change of die cutter, the mechanical device is complex in structure and the size accuracy of the cut products is still unsatisfactory.
  • the present invention provides a die cutter clamping and limiting device and a cutting and processing center using the device, so as to achieve clamping on a die cutter automatically and change the die cutter automatically. It is simple in structure and can shorten the time for changing the die cutter and noticeably improve the use efficiency of the cutting machine. Further, the position repeatability and the positioning accuracy of changing the die cutter are improved, and the size accuracy and stability of the cut products are also increased, so as to satisfy the users.
  • the present invention is achieved by providing a die cutter clamping and limiting device.
  • the die cutter clamping and limiting device includes a clamping assembly and a limiting assembly which are mounted on a die cutter fixing plate of a cutting machine.
  • the clamping assembly includes a left die pressing plate, a right die pressing plate, and pressing cylinders.
  • the left die pressing plate and the right die pressing plate are disposed on the left and right side edges of a lower surface of the die cutter fixing plate respectively.
  • the pressing cylinders are disposed inside the die cutter fixing plate and drive the left die pressing plate and the right die pressing plate respectively to press the die cutter closely against the lower surface of the die cutter fixing plate.
  • the limiting assembly includes front limiting components and rear limiting components located at front and rear side surfaces of the die cutter fixing plate.
  • At least one of the front limiting component and the rear limiting component is a movable limiting component and the other is a fixed limiting component or movable limiting component.
  • the movable limiting components perform limiting or unlocking for the front and rear side surfaces of the die cutter by performing linkage with the left die pressing plate or the right die pressing plate.
  • two pressing cylinders are disposed at the right and left sides of the die cutter fixing plate respectively.
  • the two pressing cylinders act simultaneously to press or release the die cutter.
  • the pressing cylinder includes a cylindrical hole, a valve core shaft, an upper piston, a lower piston, an upper air chamber and a lower air chamber, where the cylindrical hole is disposed inside the die cutter fixing plate, and the valve core shaft, the upper piston, the lower piston, the upper air chamber and the lower air chamber are disposed inside the cylindrical hole.
  • the upper piston and the lower piston are disposed on the valve core shaft respectively.
  • the upper air chamber is disposed between the upper piston and the top wall of the cylindrical hole.
  • the lower air chamber is disposed between the upper piston and the lower piston.
  • An upper air pipe connector and a lower air pipe connector are disposed on the die cutter fixing plate respectively.
  • the upper air pipe connector and the lower air pipe connector are in communication with the upper air chamber and the lower air chamber through an upper channel and a lower channel disposed in the die cutter fixing plate.
  • a stop washer is disposed on an inner wall of the cylindrical hole to limit a movement position of the lower piston.
  • the fixed limiting component includes a limiting block and a fastening bolt.
  • the limiting block limits the movement position of the die cutter, and the fastening bolt fixes the limiting block on a side surface of the die cutter fixing plate.
  • the movable limiting component includes a first connection bar, a second connection bar, a first rotary shaft, a second rotary shaft, and a third rotary shaft.
  • the first rotary shaft is fixed on the die cutter fixing plate
  • the third rotary shaft is fixed on the left die pressing plate or the right die pressing plate.
  • the first rotary shaft is movably disposed in the middle of the first connection bar
  • the second rotary shaft movably connects an end of the first connection bar to an end of the second connection bar.
  • a blocking portion is disposed on the other end of the first connection bar to limit the die cutter, and the other end of the second connection bar is movably connected with the third rotary shaft.
  • one segment of inclined surface or arc-shaped surface is disposed on the blocking portion of the first connection bar.
  • limiting screws are disposed between the left die pressing plate/the right die pressing plate and the die cutter fixing plate.
  • the limiting screws are used to limit a maximum distance between the left die pressing plate/the right die pressing plate and the die cutter fixing plate respectively.
  • side covers are also disposed on the die cutter fixing plate.
  • the present invention is achieved by providing a cutting and processing center, which includes a die cutter fixing plate and a die cutter for cutting an object.
  • the die cutter clamping and limiting device mentioned above is disposed on the die cutter fixing plate to clamp the die cutter.
  • the clamping and limiting device includes a clamping assembly and a limiting assembly and is mounted on the die cutter fixing plate of the cutting machine.
  • the clamping assembly presses the die cutter closely against the lower surface of the die cutter fixing plate, and the limiting assembly performs limitation for the front and rear side surfaces of the die cutter, thereby achieving automatic clamping on the die cutter and automatic change for the die cutter.
  • the present invention is simple in structure and can shorten the time for changing the die cutter and noticeably improve the use efficiency of the cutting and processing center. Further, the position repeatability and the positioning accuracy of changing the die cutter are improved, and the size accuracy and stability of the cut products are also increased.
  • a preferred embodiment of a die cutter clamping and limiting device and a cutting machine using the device in the present invention includes a clamping assembly 1 and a limiting assembly which are mounted on a die cutter fixing plate 3 of the cutting machine.
  • the clamping assembly 1 includes a left die pressing plate 4, a right die pressing plate 5, and pressing cylinders 6.
  • the left die pressing plate 4 and the right die pressing plate 5 are disposed on the left and right side edges of a lower surface of the die cutter fixing plate 3 respectively.
  • the pressing cylinders 6 are disposed inside the die cutter fixing plate 3 and located at four corners of the die cutter fixing plate 3 in a manner of left-right and back-front symmetry.
  • the pressing cylinders 6 drive the left die pressing plate 4 and the right die pressing plate 5 respectively to press the die cutter A closely against the lower surface of the die cutter fixing plate 3.
  • the limiting assembly includes front limiting components and rear limiting components located at front and rear side surfaces of the die cutter fixing plate 3, where at least one of the front limiting component and the rear limiting component is a movable limiting component 7 and the other is a fixed limiting component or movable limiting component 7.
  • the movable limiting components 7 perform limiting or unlocking for the front and rear side surfaces of the die cutter A by performing linkage with the left die pressing plate 4 or the right die pressing plate 5. As shown in FIGS. 1 , 2 , and 3 , the movable limiting components 7 are respectively disposed at the front and rear side surfaces of the die cutter fixing plate 3.
  • the left die pressing plate 4 and the right die pressing plate 5 press the die cutter A closely against the lower surface of the die cutter fixing plate 3 along an up-down direction under the drive of the pressing cylinders 6.
  • the limiting assembly performs limiting for the front and rear side surfaces of the die cutter A. In this way, the position repeatability and positioning accuracy of changing the die cutter are improved and the size accuracy of the cut products is also improved.
  • the limiting assembly acts in the following process: when the left die pressing plate 4 and the right die pressing plate 5 of the clamping assembly 1 press the die cutter A closely against the lower surface of the die cutter fixing plate 3, the movable limiting components 7 perform limiting for the front side surface and/or rear side surface of the die cutter A immediately. On the contrary, when the left die pressing plate 4 and the right die pressing plate 5 of the clamping assembly 1 release the up-down press on the die cutter A, the movable limiting components 7 release limitation for the front side surface and/or the rear side surface of the die cutter A immediately.
  • Two pressing cylinders 6 are disposed at the right and left sides of the die cutter fixing plate 3 respectively.
  • the two pressing cylinders 6 act simultaneously to press or release the die cutter A.
  • the pressing cylinder 6 includes a cylindrical hole 61, a valve core shaft 62, an upper piston 63, a lower piston 64, an upper air chamber 65 and a lower air chamber 66, where the cylindrical hole 61 is disposed inside the die cutter fixing plate 3 and the valve core shaft 62, the upper piston 63, the lower piston 64, the upper air chamber 65 and the lower air chamber 66 are disposed inside the cylindrical hole 61.
  • the upper piston 63 and the lower piston 64 are disposed on the valve core shaft 62 respectively.
  • the upper air chamber 65 is disposed between the upper piston 63 and the top wall of the cylindrical hole 61.
  • the lower air chamber 66 is disposed between the upper piston 63 and the lower piston 64.
  • An upper air pipe connector 8 and a lower air pipe connector 9 are disposed on the die cutter fixing plate 3 respectively.
  • the upper air pipe connector 8 and the lower air pipe connector 9 are in communication with the upper air chamber 65 and the lower air chamber 66 through an upper channel 67 and a lower channel 68 disposed in the die cutter fixing plate 3.
  • the pressing cylinders 6 are directly made inside the die cutter fixing plate 3, which simplifies the structure of the die cutter clamping and limiting device, reduces the weight of the die cutter fixing plate 3 and improves its stability.
  • the pressing cylinders 6 act in the following process: when high pressure air is introduced into the upper air chamber 65 via the upper air pipe connector 8, the lower air chamber 66 recovers air via the lower air pipe connector 9, and then the valve core shaft 62 is driven to move down together with the upper piston 63 and the lower piston 64 disposed thereon, and then the valve core shaft 62 pushes open the left die pressing plate 4 or the right die pressing plate 5, thereby unlocking the die cutter A.
  • the upper air chamber 65 recovers air via the upper air pipe connector 8, and then the valve core shaft 62 is driven to move up for resetting together with the upper piston 63 and the lower piston 64 disposed thereon, and then the valve core shaft 62 drives the left die pressing plate 4 or the right die pressing plate 5 closely against the die cutter A.
  • a stop washer 69 is disposed on an inner wall of the cylindrical hole 61 to limit a movement position of the lower piston 64, so as to limit a movement position of the valve core shaft 62, thereby limiting a telescoping height of the pressing cylinder 6.
  • the fixed limiting component includes a limiting block and a fastening bolt (not shown).
  • the limiting block limits the movement position of the die cutter A, and the fastening bolt fixes the limiting block on a side surface of the die cutter fixing plate 3.
  • the movable limiting component 7 includes a first connection bar 71, a second connection bar 72, a first rotary shaft 73, a second rotary shaft 74, and a third rotary shaft 75.
  • the first rotary shaft 73 is fixed on the die cutter fixing plate 3, and the third rotary shaft 75 is fixed on the left die pressing plate 4 or the right die pressing plate 5.
  • the first rotary shaft 73 is movably disposed in the middle of the first connection bar 71, and the second rotary shaft 74 movably connects an end of the first connection bar 71 to an end of the second connection bar 72.
  • a blocking portion 76 is disposed on the other end of the first connection bar 71 to limit the die cutter A, and the other end of the second connection bar 72 is movably connected with the third rotary shaft 75.
  • one segment of inclined surface or arc-shaped surface 77 is disposed on the blocking portion 76 of the first connection bar 71 , and thus it is convenient to push the die cutter A back to a correct limiting position when the first connection bar 71 performs limiting for the die cutter A.
  • the movable limiting component 7 acts in the following process: when the pressing cylinders 6 drive the left die pressing plate 4 or the right die pressing plate 5 to move down, the third rotary shaft 75 and the second connection bar 72 move down accordingly, and the second connection bar 72 also drives, via the second rotary shaft 74, an end of the first connection bar 71 to move down.
  • the first connection bar 71 rotates around the first rotary shaft 73, so as to lift up the other end of the first connection bar 71, thus releasing the limited die cutter A.
  • the third rotary shaft 75 and the second connection bar 72 move up accordingly, and the second connection bar 72 drives, via the second rotary shaft 74, an end of the first connection bar 71 to move up.
  • the first connection bar 71 rotates around the first rotary shaft 73, so as to lower the other end of the first connection bar 71, thus limiting the die cutter A.
  • Limiting screws 2 are disposed between the left die pressing plate 4/the right die pressing plate 5 and the die cutter fixing plate 3.
  • the limiting screws 2 are used to adjust and limit a maximum distance between the left die pressing plate 4/the right die pressing plate 5 and the die cutter fixing plate 3.
  • the die cutter A can be quickly limited and clamped, thus achieving quick change of the die cutter A. Further, good position repeatability and high positioning accuracy are ensured.
  • the present invention further provides a cutting and processing center (not shown), including the die cutter fixing plate 3 and the die cutters A for cutting an object.
  • the above die cutter clamping and limiting device mentioned above is disposed on the die cutter fixing plate 3 to clamp a die cutter A.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
EP21942801.8A 2021-05-24 2021-12-14 Schneidschablonenklemm- und -begrenzungsvorrichtung und schneidverarbeitungszentrum damit Pending EP4205927A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110566588.7A CN113510784A (zh) 2021-05-24 2021-05-24 刀模板夹紧限位装置以及使用该装置的裁断加工中心
PCT/CN2021/138072 WO2022247238A1 (zh) 2021-05-24 2021-12-14 刀模板夹紧限位装置以及使用该装置的裁断加工中心

Publications (2)

Publication Number Publication Date
EP4205927A1 true EP4205927A1 (de) 2023-07-05
EP4205927A4 EP4205927A4 (de) 2024-06-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21942801.8A Pending EP4205927A4 (de) 2021-05-24 2021-12-14 Schneidschablonenklemm- und -begrenzungsvorrichtung und schneidverarbeitungszentrum damit

Country Status (3)

Country Link
EP (1) EP4205927A4 (de)
CN (1) CN113510784A (de)
WO (1) WO2022247238A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113510784A (zh) * 2021-05-24 2021-10-19 衢州台威精工机械有限公司 刀模板夹紧限位装置以及使用该装置的裁断加工中心
CN113172694A (zh) * 2021-05-24 2021-07-27 衢州台威精工机械有限公司 一种高速智能数控液压裁断机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04333328A (ja) * 1991-05-02 1992-11-20 Kazushige Iinuma パンチプレスに対する金型交換装置
JPH1071598A (ja) * 1996-05-15 1998-03-17 Daiji Adachi 打抜型の交換・収納装置およびこれを備えた平盤打抜機
CN1171993A (zh) * 1997-03-31 1998-02-04 杨维雄 摇臂式下料机
CN206287240U (zh) * 2016-11-25 2017-06-30 盐城市华森机械有限公司 一种旋转式冲压头的夹紧收废装置
CN108466323A (zh) * 2018-05-30 2018-08-31 盐城市裕正精密机械有限公司 裁断机刀模板自动夹紧机构
JP7387153B2 (ja) * 2019-11-07 2023-11-28 株式会社浅野研究所 トリミング装置
CN213055110U (zh) * 2020-08-24 2021-04-27 上海三喜纸制品有限公司 一种便于更换模切刀的模切机
CN113510784A (zh) * 2021-05-24 2021-10-19 衢州台威精工机械有限公司 刀模板夹紧限位装置以及使用该装置的裁断加工中心

Also Published As

Publication number Publication date
EP4205927A4 (de) 2024-06-05
WO2022247238A1 (zh) 2022-12-01
CN113510784A (zh) 2021-10-19

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