WO2018014462A1 - Appareil d'ajustement automatique de moule de pressage de matériau en feuille de machine de pliage de bord - Google Patents

Appareil d'ajustement automatique de moule de pressage de matériau en feuille de machine de pliage de bord 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
Prior art date
Application number
PCT/CN2016/104260
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English (en)
Chinese (zh)
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
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.)
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Publication date
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/fr

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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.

Abstract

La présente invention concerne un appareil pour l'ajustement automatique d'un moule de pressage de matériau en feuille d'une machine de pliage de bord, comprenant une base de moule (1), un mécanisme de facilitation d'ajustement de moule (2) monté sur une partie intermédiaire d'une extrémité inférieure de la base de moule (1), un mécanisme d'ajustement de moule de type à insertion (3) monté sur la base de moule (1) et disposé sur chacun des côtés gauche et droit du mécanisme de facilitation d'ajustement de moule (2), et un mécanisme d'ajustement de moule standard (4) disposé à chacune des extrémités gauche et droite de la base de moule (1), l'extrémité inférieure de la base de moule (1) étant un rail de guidage trapézoïdal. L'appareil d'ajustement automatique pour le moule de pressage de matériau en feuille d'une machine de pliage de bord possède une structure simple et est facile à utiliser ; dans le cas d'une pièce de fabrication à rebord, le moule ajustable peut rétrécir en largeur à un certaine degré, et être restauré lorsque la pièce de fabrication est serrée, le mécanisme d'ajustement de moule standard permet d'obtenir l'ajustement avec une grande variation de largeur, et le mécanisme d'ajustement de moule de type à insertion permet d'obtenir l'ajustement avec une faible variation de largeur. La présente invention possède une fonction d'ajustement d'alignement centré pour le bridage, de façon à économiser du temps et du travail, améliorer le rendement de travail, étant en mesure de satisfaire aux exigences complexes d'un processus de pliage de bord pour une pièce de fabrication.
PCT/CN2016/104260 2016-07-20 2016-11-01 Appareil d'ajustement automatique de moule de pressage de matériau en feuille de machine de pliage de bord WO2018014462A1 (fr)

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CN201610572488.4 2016-07-20
CN201610572488.4A CN105945156B (zh) 2016-07-20 2016-07-20 一种折边机板材压紧模具自动调整装置

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