WO2018014462A1 - 一种折边机板材压紧模具自动调整装置 - Google Patents

一种折边机板材压紧模具自动调整装置 Download PDF

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Publication number
WO2018014462A1
WO2018014462A1 PCT/CN2016/104260 CN2016104260W WO2018014462A1 WO 2018014462 A1 WO2018014462 A1 WO 2018014462A1 CN 2016104260 W CN2016104260 W CN 2016104260W WO 2018014462 A1 WO2018014462 A1 WO 2018014462A1
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WO
WIPO (PCT)
Prior art keywords
mold
telescopic
connecting plate
hydraulic cylinder
telescopic mold
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PCT/CN2016/104260
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English (en)
French (fr)
Inventor
涂芬芬
王金荣
桂长华
佘杰
冷志斌
Original Assignee
江苏亚威机床股份有限公司
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Application filed by 江苏亚威机床股份有限公司 filed Critical 江苏亚威机床股份有限公司
Publication of WO2018014462A1 publication Critical patent/WO2018014462A1/zh

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    • 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
    • B21D37/10—Die sets; Pillar guides
    • B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws

Definitions

  • the invention relates to an automatic adjusting device for a pressing die of a folding machine plate, belonging to the technical field of a folding machine tool.
  • the folding machine is a mechanical device for processing the edge of the product.
  • the folding machine is a simple bending machine, which can be manual or motorized. When the plate is folded on the folding machine, the plate needs to be pressed to press the pressure. Tightening and folding, at present, the folding machine on the market adopts a simple mold change method of manually changing the mold or only replacing two sets of molds when the sheets are folded differently, and the manual mold change is time consuming and laborious. The work efficiency is low, and the simple mold change is only applicable to the single, regular, and non-inverted workpieces. For workpieces with inner flanges, the complicated folding process is difficult to apply.
  • the object of the present invention is to provide a simple structure, convenient operation, automatic width adjustment, and a function of centering to avoid the flanging function, saving time and labor, and improving work efficiency.
  • Device
  • the mold base includes a avoidance die mechanism at an intermediate portion of the lower end of the mold base, and the insert mold adjustment mechanism mounted on the mold base is respectively disposed on the left and right sides of the avoidance die mechanism, and the left and right ends of the mold base are respectively disposed There is a standard mold adjustment mechanism, and the lower end of the mold base is a trapezoidal guide rail.
  • the avoidance die mechanism comprises a center telescopic mold frame, a left telescopic mold, a right telescopic mold, a center telescopic mold, a center hydraulic cylinder, a left hydraulic cylinder and a right hydraulic cylinder, and the center is disposed
  • the upper end of the telescopic mold frame is fixedly mounted on the lower end of the mold base
  • the central telescopic mold frame is an inverted U-shaped structure
  • the central telescopic mold is a convex structure
  • the central hydraulic cylinder is fixedly mounted in the middle telescopic mold frame.
  • the piston rod of the central hydraulic cylinder is fixedly connected with the upper end of the center telescopic mold, and the left telescopic mold and the right telescopic mold are respectively connected to the left and right sides of the middle telescopic mold frame through the left hydraulic cylinder and the right hydraulic cylinder, respectively, the left
  • the lower end of the telescopic mold and the right telescopic mold are respectively provided with inwardly folded flanges, and the upper end surface of the left telescopic mold and the right telescopic mold are provided with a dovetail groove I matched with the trapezoidal guide rail, and the central telescopic mold
  • the lower end width is greater than the width of the center telescopic mold frame.
  • the insert mold adjusting mechanism includes a bracket mounted on a front end surface of the mold base, and one end of the bracket is mounted with a motor and a reduction motor I, and the motor is located above the reduction motor I,
  • the output end of the reduction motor I is connected with a rotating shaft, and the output end of the motor is connected with a screw through a coupling, and the screw is sleeved a nut, the nut is connected with a connecting plate I, a middle portion of the connecting plate 1 is fixedly connected with a limiting block, and the rotating shaft is sleeved with a connecting plate II movable left and right along the rotating shaft, and the other end of the connecting plate II is connected a latching shaft, the lower end of the connecting plate I is provided with a slit, and one end of the connecting plate II sleeved on the rotating shaft is located in the opening, and the other end of the bracket is provided with a plurality of inserts on the rotating shaft a die
  • the standard mold adjusting mechanism comprises a plurality of standard molds movably mounted on the trapezoidal guide rails at both ends of the mold base, and the upper end surface of the standard mold is provided with a dovetail slot II matched with the trapezoidal guide rail.
  • a hollow cavity is disposed in the dovetail slot II, and a cylinder II is fixedly mounted in the cavity.
  • the lower end surface of the trapezoidal guide rail is provided with a sliding slot, and the sliding slot is provided with a sliding strip, and the two ends of the mold base A geared motor II is fixedly mounted, a gear is mounted on the output end of the geared motor II, a rack corresponding to the gear is mounted on the outer side of the upper end of the sliding bar, and a plurality of cylinders are disposed on the lower end surface of the sliding bar The positioning hole of the piston rod cooperates.
  • a guide shaft is respectively mounted on the upper and lower ends of the two sides of the center telescopic mold frame, and the upper and lower ends of the left telescopic mold and the right telescopic mold are provided with guide holes that cooperate with the guide shaft.
  • the invention has the advantages of simple structure and convenient operation.
  • the avoiding mold can shorten a certain width, and can be restored again when the workpiece is clamped, and the standard mold adjusting mechanism can realize the adjustment of the width variation amount, and the insert mold adjusting mechanism It can realize the adjustment of the small change of the width, has the function of avoiding the flanging in the center, saves the time and labor, improves the work efficiency, and can meet the complex workpiece requirements of the hemming process.
  • Figure 1 is a schematic view of the structure of the present invention.
  • FIG. 2 is a schematic structural view of the avoidance mold of FIG. 1.
  • Figure 3 is a right side view of Figure 2.
  • FIG. 4 is a schematic structural view of the insert type mold adjusting mechanism of FIG. 1.
  • Figure 5 is a cross-sectional view taken along line A-A of Figure 4.
  • Figure 6 is a cross-sectional view taken along line B-B of Figure 4.
  • Figure 7 is a schematic view showing the structure of the standard mold adjusting mechanism of Figure 1.
  • Figure 8 is a right side view of Figure 7.
  • 1 is the mold base
  • 2 is the avoidance mold mechanism
  • 3 is the insert mold adjustment mechanism
  • 4 is the standard mold adjustment mechanism
  • 5 is the center telescopic mold frame
  • 6 is the left telescopic mold
  • 7 is the right telescopic mold
  • 8 It is a center-mounted telescopic mold
  • 9 is a center hydraulic cylinder
  • 10 is a left hydraulic cylinder
  • 11 is a right hydraulic cylinder
  • 12 is a flange
  • 13 is a dovetail groove I
  • 14 is a bracket
  • 15 is a motor
  • 16 is a geared motor I
  • 17 is a rotating shaft
  • 18 is a coupling
  • 19 is a screw
  • 20 is a nut
  • 21 is a connecting plate I
  • 22 is a limiting block
  • 23 is a connecting plate II
  • 24 is a pin shaft
  • 25 is a blade mold
  • 28 is a cylinder
  • the utility model relates to an automatic adjusting device for a pressing machine for a folding machine, comprising a mold base 1, wherein an intermediate part of the lower end of the mold base 1 is mounted with a avoidance mold mechanism 2, and the left and right sides of the avoidance mold mechanism 2 are respectively installed on the mold base 1
  • the left and right ends of the mold base 1 are respectively provided with a standard mold adjusting mechanism 4, and the lower end of the mold base 1 is a trapezoidal guide rail.
  • the avoidance die mechanism 2 includes a center telescopic mold frame 5, a left telescopic mold 6, a right telescopic mold 7, a center telescopic mold 8, a center hydraulic cylinder 9, a left hydraulic cylinder 10, and a right a hydraulic cylinder 11, the upper end of the center telescopic mold frame 5 is fixedly mounted on the lower end of the mold base 1, the center telescopic mold frame 5 is an inverted U-shaped structure, and the center telescopic mold 8 is a convex structure, wherein the middle cylinder
  • the hydraulic cylinder 9 is fixedly mounted in the center telescopic mold frame 5, and the piston rod of the center hydraulic cylinder 9 is fixedly connected to the upper end of the center telescopic mold 8, and the left telescopic mold 6 and the right telescopic mold 7 are respectively passed through the left hydraulic cylinder.
  • the right hydraulic cylinder 11 are connected to the left and right sides of the center telescopic mold frame 5, and the lower ends of the left telescopic mold 6 and the right telescopic mold 7 are respectively provided with inwardly folded flanges 12, the left telescopic mold 6 and The upper end surface of the right telescopic mold 7 is provided with a dovetail groove I13 that cooperates with the trapezoidal guide rail, and the width of the lower end of the center telescopic mold 8 is larger than the width of the center telescopic mold frame 5.
  • the blade type mold adjusting mechanism 3 includes a bracket 14 mounted on a front end surface of the mold base 1, and the bracket 14 is mounted at one end thereof with a motor 15 and a reduction motor I16, and the motor 15 is located at a geared motor Above the I16, the output end of the geared motor I16 is connected with a rotating shaft 17, and the output end of the motor 15 is connected with a screw rod 19 via a coupling 18, and the threaded rod 19 is sleeved with a nut 20, the nut 20 is connected to the connecting plate I21, the middle portion of the connecting plate I21 is fixedly connected to the limiting block 22, and the rotating shaft 17 is covered with a connecting plate II23 which is movable left and right along the rotating shaft 17, and the other end of the connecting plate II23 is connected a latching shaft 24, a lower end of the connecting plate I21 is provided with a slit, and one end of the connecting plate II23 sleeved on the rotating shaft 17 is located in
  • the other end of the connecting block 27 is sleeved on the latch shaft 24, and the bracket 14 is provided with a cylinder I28.
  • the upper end of the piston rod of the cylinder I28 is provided with a gusset 29, and the bottom of the inserting mold 25 is provided with a buckle groove 30 matched with the gusset 29, and the upper end of the inserting mold 25 is provided with a limiting slot 31, the limit
  • the lower end of the front side of the block 22 is provided with a boss 32 which cooperates with the limiting groove 31.
  • the standard mold adjusting mechanism 4 includes a plurality of standard molds 33 movably mounted on the trapezoidal guide rails at both ends of the mold base 1, and the upper end surface of the standard mold 33 is provided with a dovetail matched with the trapezoidal guide rail.
  • a slot II is disposed in the dovetail slot II, and a cylinder II34 is fixedly mounted in the recessed cavity.
  • the lower end surface of the trapezoidal guide rail is provided with a sliding slot, and the sliding slot 35 is mounted in the sliding slot.
  • a geared motor II36 is fixedly mounted on both ends of the die holder 1 , and a gear 37 is mounted on the output end of the geared motor II 36 .
  • a rack 38 that cooperates with the gear 37 is mounted on the outer side of the upper end of the sliding bar 35 .
  • the lower end surface is provided with a plurality of positioning holes 39 that cooperate with the piston rods of the cylinders II34.
  • the upper and lower ends of the center telescopic mold frame 5 are respectively respectively mounted with guide shafts 40, and the upper and lower ends of the left telescopic mold 6 and the right telescopic mold 7 are opened and guided with the guide shaft 40 Matching guide holes.
  • the center hydraulic cylinder 9 of the avoidance mold mechanism 2 drives the center telescopic mold 8 to move upward, and the left telescopic mold 6 and the right telescopic mold 7 are along the mold base 1 under the thrust of the standard molds 33 on both sides.
  • the trapezoidal guide rail at the lower end moves in the middle, and the width of the mold is shortened by a certain distance; when the mold is restored, the left telescopic mold 6 and the right telescopic mold 7 are respectively along the lower end of the mold base 1 under the thrust of the left hydraulic cylinder 10 and the right hydraulic cylinder 11
  • the trapezoidal guide rail moves to both sides, and the center telescopic mold 8 moves downward under the action of the center hydraulic cylinder 9, and the guide shaft 40 effectively ensures the position of the left telescopic mold 6 and the right telescopic mold 7 during the movement.
  • the gusset 29 at the upper end of the cylinder I28 lowers all the insert dies 25 from above, and the motor 15 drives the lead screw 19 to rotate through the coupling 18, and the nut 20 fitted on the lead rod 19
  • the limiting block 22 and the latch shaft 24 are moved to the right by the connecting plate I21.
  • the latch shaft 24 is inserted into the insertion hole 26 of the unnecessary insert die 25, and the boss 32 at the lower end of the front end of the limiting block 22 is released.
  • the rotational degree of freedom of the insert die 25 is rotatable about the rotary shaft 17, and the reduction motor I16 drives the rotary shaft 17 to rotate.
  • the rotary shaft 17 rotates the latch shaft 24 about the rotary shaft 17 through the connecting block 27 and drives the unnecessary insert die. 25 is synchronously turned upside down, and the buckle plate 30 is fastened by the gusset plate 29 to the buckle groove 30 on the unnecessary blade die 25.
  • the gear motor II36 drives the gear 37 on the output end to rotate, the gear 37 drives the rack 38 to move left and right, and the rack 38 drives the slide bar 35 to move synchronously.
  • the standard mold 33 needs to move, the standard mold The piston rod of the cylinder II34 in the cavity 33 protrudes into the positioning hole 39 of the lower end surface of the sliding bar 35, so that the standard The mold 33 is fixedly coupled to the slide bar 35 and moves synchronously along the trapezoidal guide rail at the lower end of the die holder 1.
  • the mold width adjustment range of the invention is wide, the width adjustment variation is small, the adjustment automation degree is high, the centering avoidance flanging function is saved, the time and labor are saved, the work efficiency is improved, and the workpiece requirement of the hemming process is complicated.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

一种折边机板材压紧模具自动调整装置，包括模具座（1），模具座（1）下端中间部位安装有避让模具机构（2），避让模具机构（2）左右两侧分别设有安装在模具座（1）上的插片式模具调整机构（3），模具座（1）左右两端分别设有标准模具调整机构（4），模具座（1）下端为梯形导轨。该折边机板材压紧模具自动调整装置结构简单、操作方便，针对翻边类工件时，避让模具能够缩短一定宽度，在工件夹紧时能够再次复原，标准模具调整机构能够实现宽度变化量大的调整；插片式模具调整机构能够实现宽度变化量小的调整，具有对中避让翻边功能，省时省力，提高了工作效率，能够满足折边工艺复杂的工件要求。

Description

一种折边机板材压紧模具自动调整装置 技术领域
本发明涉及一种折边机板材压紧模具自动调整装置，属于折边机机床技术领域。
背景技术
折边机是对产品的边缘进行处理的机械设备，折边机为简单的弯曲机，既可以手动的，也可以机动的，板材在折边机上进行折边时，板材需要压紧模具进行压紧并进行折边，目前，市场上的折边机在对板材进行不同折边时，均采用人工更换模具或者只能更换两套模具的简单换模方式，而人工换模既耗时又费力，工作效率低，简单的换模只适用于单一、规则、无内翻边的工件，对于有内翻边的，折边工序复杂的工件就难适用。
发明内容
针对上述缺陷，本发明的目的在于提供一种结构简单，操作方便，能够自动调整宽度，具有对中避让翻边功能，省时省力，提高工作效率的一种折边机板材压紧模具自动调整装置。
为此本发明所采用的技术方案是：
包括模具座，所述模具座下端中间部位安装有避让模具机构，所述避让模具机构左右两侧分别设有安装在模具座上的插片式模具调整机构，所述模具座左右两端分别设有标准模具调整机构，所述模具座下端为梯形导轨。
作为上述技术方案的进一步改进，所述避让模具机构包括中置伸缩模具架、左伸缩模具、右伸缩模具、中置伸缩模具、中置液压缸、左液压缸和右液压缸，所述中置伸缩模具架上端固定安装在模具座下端，所述中置伸缩模具架为倒U型结构，所述中置伸缩模具为凸型结构，所述中置液压缸固定安装在中置伸缩模具架内，中置液压缸的活塞杆与中置伸缩模具的上端固定连接，所述左伸缩模具和右伸缩模具分别通过左液压缸和右液压缸与中置伸缩模具架左右两侧连接，所述左伸缩模具和右伸缩模具的下端分别设有向内翻折的翻边，所述左伸缩模具和右伸缩模具的上端面设有与梯形导轨相配合的燕尾槽Ⅰ，所述中置伸缩模具的下端宽度大于中置伸缩模具架的宽度。
作为上述技术方案的进一步改进，所述插片式模具调整机构包括安装在模具座前端面的支架，所述支架一端安装有电机和减速电机Ⅰ，所述电机位于减速电机Ⅰ的上方，所述减速电机Ⅰ的输出端连接有旋转轴，所述电机的输出端通过联轴器连接有丝杆，所述丝杆上套有 螺母，所述螺母连接有连接板Ⅰ，所述连接板Ⅰ的中部固定连接有限位块，所述旋转轴上套有可沿旋转轴左右移动的连接板Ⅱ，所述连接板Ⅱ另一端连接一插销轴，所述连接板Ⅰ的下端设有开叉口，套在旋转轴上的连接板Ⅱ一端位于开叉口内，所述支架另一端前侧设有若干套在旋转轴上的插片模，所述插片模上设有与插销轴相配合的插孔，所述连接板Ⅱ与插片模之间设有固定套在旋转轴上的连接块，所述连接块的另一端套在插销轴上，所述支架上设有气缸Ⅰ，所述气缸Ⅰ的活塞杆上端设有扣板，所述插片模底部设有与扣板相配合的扣槽，所述插片模的上端设有限位槽，所述限位块的前侧下端设有凸台，所述凸台与限位槽相配合。
作为上述技术方案的进一步改进，所述标准模具调整机构包括活动安装在模具座两端梯形导轨上的若干个标准模具，所述标准模具上端面设有与梯形导轨相配合的燕尾槽Ⅱ，所述燕尾槽Ⅱ内设有凹腔，所述凹腔内固定安装有气缸Ⅱ，所述梯形导轨两端下端面开设有滑槽，所述滑槽内安装有滑动条，所述模具座两端固定安装有减速电机Ⅱ，所述减速电机Ⅱ的输出端安装有齿轮，所述滑动条上端外侧安装有与齿轮相配合的齿条，所述滑动条的下端面上设有若干与气缸Ⅱ的活塞杆相配合的定位孔。
作为上述技术方案的进一步改进，所述中置伸缩模具架两侧上下两端分别安装有导向轴，所述左伸缩模具和右伸缩模具的内侧上下两端开设有与导向轴相配合的导向孔。
本发明的优点是：
本发明结构简单，操作方便，针对翻边类工件时，避让模具能够缩短一定宽度，在工件夹紧时能够再次复原，标准模具调整机构能够实现宽度变化量大的调整，插片式模具调整机构能够实现宽度变化量小的调整，具有对中避让翻边功能，省时省力，提高了工作效率，能够满足折边工艺复杂的工件要求。
附图说明
图1是本发明的结构示意图。
图2是图1中避让模具的结构示意图。
图3是图2的右视图。
图4是图1中插片式模具调整机构的结构示意图。
图5是图4中A-A的剖视图。
图6是图4中B-B的剖视图。
图7是图1中标准模具调整机构的结构示意图。
图8是图7的右视图。
图中1是模具座、2是避让模具机构、3是插片式模具调整机构、4是标准模具调整机构、5是中置伸缩模具架、6是左伸缩模具、7是右伸缩模具、8是中置伸缩模具、9是中置液压缸、10是左液压缸、11是右液压缸、12是翻边、13是燕尾槽Ⅰ、14是支架、15是电机、16是减速电机Ⅰ、17是旋转轴、18是联轴器、19是丝杆、20是螺母、21是连接板Ⅰ、22是限位块、23是连接板Ⅱ、24是插销轴、25是插片模、26是插孔、27是连接块、28是气缸Ⅰ、29是扣板、30是扣槽、31是限位槽、32是凸台、33是标准模具、34是气缸Ⅱ、35是滑动条、36是减速电机Ⅱ、37是齿轮、38是齿条、39是定位孔、40是导向轴。
具体实施方式
一种折边机板材压紧模具自动调整装置，包括模具座1，所述模具座1下端中间部位安装有避让模具机构2，所述避让模具机构2左右两侧分别设有安装在模具座1上的插片式模具调整机构3，所述模具座1左右两端分别设有标准模具调整机构4，所述模具座1下端为梯形导轨。
作为上述技术方案的进一步改进，所述避让模具机构2包括中置伸缩模具架5、左伸缩模具6、右伸缩模具7、中置伸缩模具8、中置液压缸9、左液压缸10和右液压缸11，所述中置伸缩模具架5上端固定安装在模具座1下端，所述中置伸缩模具架5为倒U型结构，所述中置伸缩模具8为凸型结构，所述中置液压缸9固定安装在中置伸缩模具架5内，中置液压缸9的活塞杆与中置伸缩模具8的上端固定连接，所述左伸缩模具6和右伸缩模具7分别通过左液压缸10和右液压缸11与中置伸缩模具架5左右两侧连接，所述左伸缩模具6和右伸缩模具7的下端分别设有向内翻折的翻边12，所述左伸缩模具6和右伸缩模具7的上端面设有与梯形导轨相配合的燕尾槽Ⅰ13，所述中置伸缩模具8的下端宽度大于中置伸缩模具架5的宽度。
作为上述技术方案的进一步改进，所述插片式模具调整机构3包括安装在模具座1前端面的支架14，所述支架14一端安装有电机15和减速电机Ⅰ16，所述电机15位于减速电机Ⅰ16的上方，所述减速电机Ⅰ16的输出端连接有旋转轴17，所述电机15的输出端通过联轴器18连接有丝杆19，所述丝杆19上套有螺母20，所述螺母20连接有连接板Ⅰ21，所述连接板Ⅰ21的中部固定连接有限位块22，所述旋转轴17上套有可沿旋转轴17左右移动的连接板Ⅱ23，所述连接板Ⅱ23另一端连接一插销轴24，所述连接板Ⅰ21的下端设有开叉口，套在旋转轴17上的连接板Ⅱ23一端位于开叉口内，所述支架14另一端前侧设有若干套在旋转轴17上的插片模25，所述插片模25上设有与插销轴24相配合的插孔26，所述连 接板Ⅱ23与插片模25之间设有固定套在旋转轴17上的连接块27，所述连接块27的另一端套在插销轴24上，所述支架14上设有气缸Ⅰ28，所述气缸Ⅰ28的活塞杆上端设有扣板29，所述插片模25底部设有与扣板29相配合的扣槽30，所述插片模25的上端设有限位槽31，所述限位块22的前侧下端设有凸台32，所述凸台32与限位槽31相配合。
作为上述技术方案的进一步改进，所述标准模具调整机构4包括活动安装在模具座1两端梯形导轨上的若干个标准模具33，所述标准模具33上端面设有与梯形导轨相配合的燕尾槽Ⅱ，所述燕尾槽Ⅱ内设有凹腔，所述凹腔内固定安装有气缸Ⅱ34，所述梯形导轨两端下端面开设有滑槽，所述滑槽内安装有滑动条35，所述模具座1两端固定安装有减速电机Ⅱ36，所述减速电机Ⅱ36的输出端安装有齿轮37，所述滑动条35上端外侧安装有与齿轮37相配合的齿条38，所述滑动条35的下端面上设有若干与气缸Ⅱ34的活塞杆相配合的定位孔39。
作为上述技术方案的进一步改进，所述中置伸缩模具架5两侧上下两端分别安装有导向轴40，所述左伸缩模具6和右伸缩模具7的内侧上下两端开设有与导向轴40相配合的导向孔。
在加工翻边类工件时，避让模具机构2的中置液压缸9带动中置伸缩模具8向上运动，左伸缩模具6和右伸缩模具7在两侧标准模具33的推力下沿着模具座1下端的梯形导轨向中间移动，模具宽度缩短了一定距离；模具在复原宽度时，左伸缩模具6和右伸缩模具7分别在左液压缸10和右液压缸11的推力下沿着模具座1下端的梯形导轨向两侧移动，中置伸缩模具8在中置液压缸9的作用下向下运动，导向轴40有效保证左伸缩模具6和右伸缩模具7在移动过程中位置准确。
插片式模具调整机构3在工作时，气缸Ⅰ28上端的扣板29将所有插片模25从上放下，电机15通过联轴器18带动丝杆19旋转，套在丝杆19上的螺母20通过连接板Ⅰ21带动限位块22和插销轴24向右移动，插销轴24***不需要的插片模25的插孔26内，限位块22前侧下端的凸台32就释放不需要的插片模25的旋转自由度，就可以绕旋转轴17转动，减速电机Ⅰ16带动旋转轴17转动，旋转轴17通过连接块27使插销轴24绕旋转轴17转动并带动不需要的插片模25同步向上翻转，由扣板29扣住不需要的插片模25上的扣槽30。
标准模具调整机构4在工作时，减速电机Ⅱ36带动输出端上的齿轮37旋转，齿轮37带动齿条38左右移动，齿条38带动滑动条35同步移动，当标准模具33需要移动时，标准模具33凹腔内的气缸Ⅱ34的活塞杆伸出进入到滑动条35下端面的定位孔39内，使得标准 模具33与滑动条35固连并沿着模具座1下端的梯形导轨同步移动。
本发明模具宽度调整范围广，宽度调整变动量小，调节自动化程度高，具有对中避让翻边功能，省时省力，提高了工作效率，能够满足折边工艺复杂的工件要求。

Claims (5)

  1. 一种折边机板材压紧模具自动调整装置，其特征在于，包括模具座，所述模具座下端中间部位安装有避让模具机构，所述避让模具机构左右两侧分别设有安装在模具座上的插片式模具调整机构，所述模具座左右两端分别设有标准模具调整机构，所述模具座下端为梯形导轨。
  2. 根据权利要求1所述的一种折边机板材压紧模具自动调整装置，其特征在于，所述避让模具机构包括中置伸缩模具架、左伸缩模具、右伸缩模具、中置伸缩模具、中置液压缸、左液压缸和右液压缸，所述中置伸缩模具架上端固定安装在模具座下端，所述中置伸缩模具架为倒U型结构，所述中置伸缩模具为凸型结构，所述中置液压缸固定安装在中置伸缩模具架内，中置液压缸的活塞杆与中置伸缩模具的上端固定连接，所述左伸缩模具和右伸缩模具分别通过左液压缸和右液压缸与中置伸缩模具架左右两侧连接，所述左伸缩模具和右伸缩模具的下端分别设有向内翻折的翻边，所述左伸缩模具和右伸缩模具的上端面设有与梯形导轨相配合的燕尾槽Ⅰ，所述中置伸缩模具的下端宽度大于中置伸缩模具架的宽度。
  3. 根据权利要求1所述的一种折边机板材压紧模具自动调整装置，其特征在于，所述插片式模具调整机构包括安装在模具座前端面的支架，所述支架一端安装有电机和减速电机Ⅰ，所述电机位于减速电机Ⅰ的上方，所述减速电机Ⅰ的输出端连接有旋转轴，所述电机的输出端通过联轴器连接有丝杆，所述丝杆上套有螺母，所述螺母连接有连接板Ⅰ，所述连接板Ⅰ的中部固定连接有限位块，所述旋转轴上套有可沿旋转轴左右移动的连接板Ⅱ，所述连接板Ⅱ另一端连接一插销轴，所述连接板Ⅰ的下端设有开叉口，套在旋转轴上的连接板Ⅱ一端位于开叉口内，所述支架另一端前侧设有若干套在旋转轴上的插片模，所述插片模上设有与插销轴相配合的插孔，所述连接板Ⅱ与插片模之间设有固定套在旋转轴上的连接块，所述连接块的另一端套在插销轴上，所述支架上设有气缸Ⅰ，所述气缸Ⅰ的活塞杆上端设有扣板，所述插片模底部设有与扣板相配合的扣槽，所述插片模的上端设有限位槽，所述限位块的前侧下端设有凸台，所述凸台与限位槽相配合。
  4. 根据权利要求1所述的一种折边机板材压紧模具自动调整装置，其特征在于，所述标准模具调整机构包括活动安装在模具座两端梯形导轨上的若干个标准模具，所述标准模具上端面设有与梯形导轨相配合的燕尾槽Ⅱ，所述燕尾槽Ⅱ内设有凹腔，所述凹腔内固定安装有气缸Ⅱ，所述梯形导轨两端下端面开设有滑槽，所述滑槽内安装有滑动条，所述模具座两端固定安装有减速电机Ⅱ，所述减速电机Ⅱ的输出端安装有齿轮，所述滑动条上端外侧安装有与齿轮相配合的齿条，所述滑动条的下端面上设有若干与气缸Ⅱ的活塞 杆相配合的定位孔。
  5. 根据权利要求2所述的一种折边机板材压紧模具自动调整装置，其特征在于，所述中置伸缩模具架两侧上下两端分别安装有导向轴，所述左伸缩模具和右伸缩模具的内侧上下两端开设有与导向轴相配合的导向孔。
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