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WO2024148676A1 - 一种轻质量汽车中央通道钣金件用冷压模 - Google Patents

一种轻质量汽车中央通道钣金件用冷压模 Download PDF

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Publication number
WO2024148676A1
WO2024148676A1 PCT/CN2023/081792 CN2023081792W WO2024148676A1 WO 2024148676 A1 WO2024148676 A1 WO 2024148676A1 CN 2023081792 W CN2023081792 W CN 2023081792W WO 2024148676 A1 WO2024148676 A1 WO 2024148676A1
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WO
WIPO (PCT)
Prior art keywords
sheet metal
pressing die
angle
metal part
gear
Prior art date
Application number
PCT/CN2023/081792
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English (en)
French (fr)
Inventor
乔正军
Original Assignee
台州市黄岩得道模具股份有限公司
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Publication of WO2024148676A1 publication Critical patent/WO2024148676A1/zh

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Classifications

    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • 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
    • 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
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02—Ejecting devices
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the present application relates to the technical field of cold pressing dies for sheet metal parts, and in particular to a cold pressing die for a light-weight automobile central channel sheet metal part.
  • the central channel of the car is located in the middle of the floor between the driver and the co-driver, and has high requirements for collision safety. Its external dimensions and height fluctuations are large, and it needs to go through multiple processes for stamping during production.
  • the utility model patent with the authorization announcement number CN216065185U provides a flanging die for stamping and forming the sheet metal of the central channel of an automobile, which belongs to the technical field of stamping dies. It includes an upper die base and a lower die base, the lower die base is provided with a punch, the upper die base is provided with a stamping die, the top of the stamping die is embedded in the upper die base, and the length of the part of the stamping die protruding from the upper die base is equal to one third of the overall length of the stamping die, and the bottom of the stamping die is provided with an inwardly concave forming groove, and the cross section of the forming groove is trapezoidal.
  • the present application provides a cold pressing die for a light-weight automobile central channel sheet metal part.
  • the present application provides a cold pressing die for a lightweight automobile central channel sheet metal part, which adopts the following technical solution:
  • a cold pressing die for a light-weight automobile central channel sheet metal part comprises an upper pressing die and a lower pressing die, wherein the cross section of the lower pressing die is convex, and the cross section of the upper pressing die is concave, an outer groove is provided in the middle of the top surface of the lower pressing die, an ejection cylinder is provided on the inner wall of the outer groove, the piston rod of the ejection cylinder faces upward, and the top end of the ejection cylinder is used to drive the sheet metal part away from the lower pressing die.
  • the sheet metal part is ejected by the ejection cylinder to separate the sheet metal part from the lower die, and then the sheet metal part is removed manually. Because the sheet metal part and the lower die are separated by mechanical ejection, the force direction is accurate, which makes it easy to remove the sheet metal part.
  • the top of the piston rod of the ejection cylinder is provided with an ejection bracket
  • the ejection bracket includes a connecting frame and a bending rod
  • the connecting frame is fixed to the top of the piston rod
  • the bending rod is fixed to the connecting frame
  • the bending rod includes a U-shaped section and straight sections arranged at both ends of the U-shaped section, the bending rod is along; the bending shape of the bending rod is consistent with the cross section of the lower die
  • the top edge is of the same shape, and the bent bar is used to abut against the sheet metal.
  • the sheet metal part is ejected by using an ejection bracket, and the bending rod is set to a shape that fits the sheet metal part, so that the sheet metal part is subjected to more uniform force when being ejected, thereby preventing the sheet metal part from being deformed.
  • a loosening assembly is arranged in the outer groove, and the loosening assembly includes a reciprocating structure and two knocking rods connected at the ends; the edge of the cross section of the lower die includes an angle a and an angle b located on the top surface of the lower die, and the two knocking rods face the angle a and the angle b respectively;
  • the bending rod When the ejection bracket is retracted into the outer groove, the bending rod is completely located in the outer groove, and the ends of the knocking rod facing angle a and angle b are higher than the top of the bending rod.
  • the reciprocating structure drives the knocking rod to slide reciprocally, and the sliding direction of the knocking rod is the direction of the line connecting angle a and angle b.
  • the knocking rod is used to knock on the sheet metal near angle a and angle b.
  • the radius of the central channel of a light-weight automobile is usually 2-5mm and light in weight, it is difficult for the radius to be separated from the mold after cold pressing due to the ductility of the metal. If the sheet metal is forcibly ejected by mechanical ejection at this time, it is easy to cause deformation of the sheet metal and make the product unqualified;
  • the knocking rod is driven by a reciprocating mechanism, so that the knocking rod moves back and forth to knock the position of the sheet metal near corner a and corner b.
  • the sheet metal and the lower die are separated first, and then ejected by the ejection cylinder, so that the sheet metal is not easily deformed; and the position of the sheet metal near corner a and corner b is selected as the knocking point, because these two places are bending places with high strength, and knocking these two places makes the sheet metal not easily deformed;
  • the ends of the knocking rod facing the angle a and the angle b are arranged higher than the top of the bending rod, so that the knocking rod first knocks the angle a and the angle b, and then the bending rod pushes out the sheet metal part.
  • the reciprocating structure includes a square frame, a square plate, a first gear and a second gear, a reciprocating straight slot is opened on the surface of the square plate, a plurality of cylinders are evenly spaced and fixed side by side at the bottom of the reciprocating straight slot, and the cylinders at two edge positions are coaxially arranged with two ends of the length direction of the reciprocating straight slot;
  • the first gear is located in the reciprocating straight slot, and the first gear is meshed with the plurality of cylinders, and a limiting ring is arranged at the slot edge of the reciprocating straight slot to limit the first gear in the straight slot;
  • the second gear is rotatably connected to the housing of the ejection cylinder, a transmission tooth is provided on the side wall of the piston rod of the ejection cylinder, the extension direction of the transmission tooth is the same as the length direction of the piston rod of the ejection cylinder, the second gear is meshed with the transmission tooth, and the first gear and the second gear are coaxially fixed;
  • the square frame is slidably arranged on the inner wall of the outer groove, the sliding direction of the square frame is the same as the direction of the line connecting angles a and b, the square plate is limited to slide in the square frame, the horizontal width of the square frame is the same as the horizontal width of the square plate, and the vertical height of the frame is greater than the vertical height of the square plate;
  • the ends of the two knocking rods away from the angle a and the angle b are fixed on the square plate.
  • the piston rod moves, driving the second gear to rotate
  • the second gear drives the first gear to rotate, because the first gear is limited in the reciprocating straight slot and meshes with a number of cylinders; the rows of cylinders separate the inner cavity of the straight slot to form an annular channel for the first gear to move.
  • the first gear rotates, it drives the square plate to move in the horizontal and vertical directions.
  • the square plate moves in the horizontal direction, it is convenient to drive the square frame to slide together, so that the two knocking rods knock the positions of the sheet metal parts near the corners a and b respectively.
  • the square plate moves in the vertical direction, the square plate moves up in the square frame.
  • a stop groove is provided on the piston rod of the ejection cylinder, the stop groove is located below the transmission tooth, the extension direction of the stop groove is the same as the extension direction of the transmission tooth, and the stop groove is used to accommodate the end of the second gear close to the transmission tooth side.
  • a rubber layer is provided on the ends of the two knocking rods facing angle a and angle b.
  • the provision of the rubber layer reduces knocking noise and also makes the sheet metal less likely to be deformed by knocking.
  • the connecting frame includes a fixing plate and an abutment block
  • the fixing plate is fixed to the end of the piston rod of the ejection cylinder
  • the abutment block is fixed to the fixing plate
  • the abutment block fixes the bent rod at the end away from the ejection cylinder.
  • the bending rod includes angles a' and b' that match angles a and b, and the abutment block is fixed to angles a' and b'.
  • the present application includes at least one of the following beneficial technical effects:
  • the ejection cylinder is set to eject the sheet metal parts and then unload them, making unloading convenient and improving production efficiency;
  • the sheet metal parts are knocked before cutting by setting a knocking rod, so that the sheet metal parts are not easily deformed;
  • the bending rod is supported by providing a support block so that the bending rod is not easily deformed.
  • FIG1 is an overall schematic diagram of a cold pressing mold according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of the structure inside the outer tank of the embodiment.
  • FIG. 3 is a schematic structural diagram of the ejector bracket of the embodiment, mainly highlighting the structure of the ejector bracket.
  • FIG. 4 is a schematic structural diagram of a loosening assembly according to an embodiment.
  • the embodiment of the present application discloses a cold pressing die for a light-weight automobile central channel sheet metal part.
  • the cold pressing die for a light-weight automobile central channel sheet metal part comprises an upper pressing die 1 and a lower pressing die 2, wherein the cross section of the lower pressing die 2 in the length direction is a "convex shape” and the cross section of the upper pressing die 1 in the length direction is a "concave shape", and the sheet metal part 8 is placed between the upper pressing die 1 and the lower pressing die 2 and then formed by cold pressing.
  • two outer grooves 21 are provided in the middle of the top surface of the lower die 2, and the two outer grooves 21 penetrate both sides of the width direction of the lower die 2.
  • the inner walls of the two outer grooves 21 are bolted with ejection cylinders 22, respectively, and the piston rods of the ejection cylinders 22 are vertically upwards, and the top of the ejection cylinders 22 is used to drive the sheet metal part 8 to move upward and then separate from the lower die 2.
  • an ejector bracket 3 for abutting the sheet metal part 8 is fixed to the top of the piston rod of the ejector cylinder 22.
  • the ejector bracket 3 includes a connecting frame 31 and a bent rod 32.
  • the connecting frame 31 is fixed to the top of the piston rod.
  • the connecting frame 31 includes a fixed plate 311 and two abutment blocks 312.
  • a through hole is provided in the middle of the fixed plate 311 for the piston rod of the ejector cylinder 22 to pass through.
  • Two nuts are threadedly connected to the piston rod of the ejector cylinder 22 to fix the fixed plate 311.
  • the two abutment blocks 312 are fixed to the top surface of the fixed plate 311, and the two abutment blocks 312 are fixed to the two ends of the fixed plate 311 in the length direction.
  • the bent rod 32 is welded and fixed to the end of the abutment block 312 away from the ejector cylinder 22.
  • the bending rod 32 includes a U-shaped section 321 and straight sections 322 arranged at both ends of the U-shaped section 321.
  • the bending shape of the bending rod 32 is the same as the shape of the top edge of the cross section of the lower die 2.
  • the bending rod 32 is used to abut the bottom surface of the sheet metal part 8. Because the bending shape of the bending rod 32 fits the sheet metal part 8 after cold pressing, the sheet metal part 8 is evenly stressed when the sheet metal part 8 is ejected.
  • the edges of the cross section of the lower die 2 in the width direction include angles a 23 and b 24 located on the top surface of the lower die 2, the bending rod 32 includes angles a ⁇ 323 and b ⁇ 324 that match angles a 23 and b 24, and the top ends of the two abutment blocks 312 are welded and fixed to angles a ⁇ 323 and b ⁇ 324, respectively.
  • a loosening assembly 4 is also provided in the outer groove 21, and the loosening assembly 4 includes a reciprocating structure 41 and two knocking rods 42 connected at their ends. The ends of the two knocking rods 42 that are away from each other are respectively oriented toward the angle a 23 and the angle b 24.
  • the reciprocating structure 41 drives the knocking rod 42 to slide in the horizontal direction so that the end of the knocking rod 42 alternately knocks the sheet metal part 8 near the corner a 23 and the corner b 24 .
  • the bending rod 32 when the ejection bracket 3 is retracted into the outer groove 21 by the ejection cylinder 22, the bending rod 32 is completely located in the outer groove 21, the top of the bending rod 32 is lower than the top surface of the lower die 2, and the end of the knocking rod 42 facing the angle a 23 and the angle b 24 is higher than the top of the bending rod 32.
  • the reciprocating structure 41 drives the knocking rod 42 to slide back and forth in the horizontal direction, and the sliding direction is along the width direction of the lower die 2, and the sliding direction of the knocking rod 42 is also the direction of the line connecting the angle a 23 and the angle b 24.
  • the reciprocating structure 41 includes a square frame 411, a square plate 412, a first gear 413 and a second gear 414.
  • the plane where the square frame 411 is located is parallel to the side wall of the outer groove 21, and a sliding cavity 4111 for sliding the square plate 412 is provided through the side wall of the square frame 411 facing the inner wall of the outer groove 21, and the depth direction of the sliding cavity 4111 is parallel to the length direction of the lower die 2.
  • the square frame 411 is slidably connected to the inner wall of the outer groove 21, and a slide rail 4112 whose length direction is the same as the connecting direction of the angle a 23 and the angle b 24 is fixed on the inner wall of the outer groove 21, and a slide groove 4113 for accommodating the slide rail 4112 is provided on the square frame 411, and the inner wall of the slide groove 4113 is in sliding contact with the outer wall of the slide rail 4112.
  • the square plate 412 is slidably connected in the sliding cavity 4111, the width of the square frame 411 in the horizontal direction is the same as the width of the square plate 412 in the horizontal direction, the height of the square frame 411 in the vertical direction is greater than the height of the square plate 412 in the vertical direction, and the sliding direction of the square plate 412 is along the plane where the square frame 411 is located.
  • An abutment ring 4114 is fixed to the inner wall of the sliding cavity 4111, and the abutment ring 4114 is located on the side of the sliding cavity 4111 close to the slide rail 4112, and the abutment ring 4114 extends along the circumferential direction of the inner wall of the sliding cavity 4111.
  • the knocking rod 42 is a hollow rod with the characteristics of light weight.
  • a reciprocating straight slot 4121 is provided on the plate surface of the square plate 412 away from the slide rail 4112, and a plurality of cylinders 4122 are evenly spaced and fixed side by side on the bottom of the reciprocating straight slot 4121, and the cylinders 4122 at two edge positions are coaxially arranged with the two ends of the length direction of the reciprocating straight slot 4121.
  • the first gear 413 is located in the reciprocating straight slot 4121, and the axis of the first gear 413 is parallel to the axis of the cylinder 4122, and the first gear 413 is meshed with the plurality of cylinders 4122.
  • a limiting ring 4123 is provided at the notch edge of the reciprocating straight slot 4121 to limit the first gear 413 in the straight slot.
  • the second gear 414 is rotatably connected to the housing of the ejection cylinder 22 , and a transmission tooth 5 is provided on the side wall of the piston rod of the ejection cylinder 22 .
  • the extension direction of the transmission tooth 5 is the same as the length direction of the piston rod of the ejection cylinder 22 .
  • the second gear 414 is meshed with the transmission tooth 5 , and the first gear 413 and the second gear 414 are coaxially fixed.
  • a stop groove 6 is provided on the piston rod of the ejection cylinder 22, and the stop groove 6 is located below the transmission tooth 5.
  • the extension direction of the stop groove 6 is the same as the extension direction of the transmission tooth 5.
  • the stop groove 6 is used to accommodate the end of the second gear 414 close to the transmission tooth 5. When the second gear 414 breaks away from the transmission tooth 5 and enters the stop groove 6, the second gear 414 stops Rotate to stop the two knocking rods 42 from knocking.
  • a rubber layer 7 is fixed on the ends of the two knocking rods 42 facing the corners a 23 and b 24 .
  • the rubber layer 7 is a rubber sleeve that is sleeved on the ends of the knocking rods 42 .
  • the friction force of the inner wall of the rubber sleeve fixes the rubber sleeve on the ends of the knocking rods 42 .
  • the implementation principle of a cold pressing die for a light-weight automobile central channel sheet metal part in an embodiment of the present application is as follows: when in use, a 2-5 mm sheet metal part 8 is pressed after the upper pressing die 1 and the lower pressing die 2 are closed. After the pressing is completed, the piston rod of the ejection cylinder 22 rises, driving the second gear 414 to rotate, and then driving the first gear 413 to rotate.
  • the rows of cylinders 4122 separate the straight grooves into annular channels for the first gear 413 to move. When the first gear 413 moves in the channel, it drives the square plate 412 to move.
  • the square plate 412 and the square frame 411 move horizontally along the slide rail 4112, driving the knocking rod 42 to move horizontally, thereby knocking the sheet metal 8 near the angle a 23 and the angle b 24;
  • the square plate 412 moves upward in the square frame 411, because the vertical height of the vertical inner cavity of the square frame 411 is greater than the height of the square plate 412, thereby reserving space for the square plate 412 to slide.
  • the technical solution of the present application first uses vibration to loosen the sheet metal part 8 and the lower die 2, and then the sheet metal part 8 is ejected by the ejection cylinder 22, and then the worker removes the sheet metal part 8 from the bending rod 32, so that the sheet metal part 8 is easy to unload, and the sheet metal part 8 is not easy to deform, thereby improving the processing efficiency of the sheet metal part 8 and the product molding shape is good.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

一种轻质量汽车中央通道钣金件用冷压模，包括上压模(1)和下压模(2)，下压模顶面开设有外槽(21)，外槽内壁上设置有顶出气缸(22)，顶出气缸的活塞杆朝上，顶出气缸的顶端用于驱使钣金件脱离下压模。外槽内设置有松动组件(4)，松动组件包括往复结构(41)和两个端部连接的敲击杆(42)；下压模的截面的边沿包括位于下压模顶面的a角(23)和b角(24)，两个敲击杆分别朝向a角和b角；往复结构驱使敲击杆往复滑动，敲击杆的滑动方向为a角和b角连线的方向；敲击杆用于敲击钣金件上靠近a角和b角处。通过设置顶出气缸将钣金件顶出后下料，使下料方便，从而提高生产效率；通过设置敲击杆先对钣金件进行敲击后再下料，使钣金件不易发生形变。

Description

一种轻质量汽车中央通道钣金件用冷压模 技术领域
本申请涉及钣金件冷压模具的的技术领域，尤其是涉及一种轻质量汽车中央通道钣金件用冷压模。
背景技术
随着汽车轻量化的不断深入研究及广泛应用，整车重量的降低直接带来的是冲压零件结构优化，不仅要求强度更高，而且要求重量更轻。汽车中央通道位于主副驾驶之间的底板中部，对碰撞安全性有较高要求，其外形尺寸和高低起伏较大，生产时需要经过多次工序进行冲压。
授权公告号为CN216065185U的实用新型专利供开了一种汽车中央通道钣金件冲压成形用翻边模，属于冲压模技术领域。它包括上模座和下模座，所述的下模座上设有凸模，所述的上模座上设有冲压模，所述的冲压模顶部嵌入至上模座内，且所述的冲压模凸出于上模座的部分的长度等于冲压模整体长度的三分之一，所述的冲压模底部设有向内凹陷的成型槽，所述的成型槽的截面呈梯形。
针对上述专利的技术，在将钣金从翻边模上取下时，需要人工将钣金取下，由于钣金件表面结构复杂，表面凹凸不平处较多。且因为冷压的加工方式，使钣金件整体表面和模具腔内壁契合度较高，钣金件取出较为不便，从而降低钣金件的加工效率。
发明内容
为了方便钣金件的取出，本申请提供一种轻质量汽车中央通道钣金件用冷压模。
本申请提供的一种轻质量汽车中央通道钣金件用冷压模，采用如下的技术方案：
一种轻质量汽车中央通道钣金件用冷压模，包括上压模和下压模，所述下压模截面为凸形，所述上压模截面为倒凹形，所述下压模顶面的中部开设有外槽，所述外槽内壁上设置有顶出气缸，所述顶出气缸的活塞杆朝上，所述顶出气缸的顶端用于驱使钣金件脱离下压模。
通过采用上述技术方案，采用顶出气缸将钣金件顶出，使钣金件脱离下模，而后再通过人工将钣金件取下。因为采用机械顶出的方式将钣金件和下压模脱离，使得受力方向准确，从而方便钣金件取下。
可选的，所述顶出气缸的活塞杆顶端设置有顶出支架，所述顶出支架包括连接架和弯曲杆，所述连接架固定于活塞杆顶端，所述弯曲杆固定于连接架上，所述弯曲杆包括U形段和设置于U形段两端的直段，所述弯曲杆沿；所述弯曲杆弯曲形状与下压模的截面的 顶部边沿的形状相同，所述弯曲杆用于抵接钣金件。
通过采用上述技术方案，采用顶出支架对钣金件顶出，且将弯曲杆设置成与钣金件契合的形状，使钣金件被顶出时，受力较为均匀，从而使钣金件不易发生形变。
可选的，所述外槽内设置有松动组件，所述松动组件包括往复结构和两个端部连接的敲击杆；所述下压模的截面的边沿包括位于下压模顶面的a角和b角，两个所述敲击杆分别朝向a角和b角；
当所述顶出支架收缩于外槽内时，所述弯曲杆全部位于外槽内，且所述敲击杆朝向a角和b角的端部高于弯曲杆的顶部，所述往复结构驱使敲击杆往复滑动，所述敲击杆的滑动方向为a角和b角连线的方向；所述敲击杆用于敲击钣金件上靠近a角和b角处。
通过采用上述技术方案，因为轻质量汽车中央通道半径件通常为2-5mm，质量轻，但是在经过冷压后，由于金属的延展性，使得半径件不易从模具上脱离，若此时通过机械顶出方式强行将钣金件顶出，容易造成钣金件形变，使产品不合格；
敲击杆通过往复机构进行驱动，使得敲击杆往复移动从而敲击钣金件靠近a角和b角的位置，通过震动，将钣金件和下压模先脱离，再通过顶出气缸顶出，使钣金件不易形变；且选择钣金件靠近a角和b角的位置作为敲击处，因为这两处为弯折处，强度高，选择敲击这两处使钣金件不易形变；
敲击杆朝向a角和b角的端部高于弯曲杆的顶部设置，实现敲击杆先对a角和b角敲击后，弯曲杆再将钣金件顶出。
可选的，所述往复结构包括方框、方板、第一齿轮和第二齿轮，所述方板板面上开设有往复直槽口，所述往复直槽口槽底均匀间隔并排固定有若干圆柱，两个边缘位置的圆柱与往复直槽口长度方向两端同轴设置；第一齿轮位于往复直槽口内，且第一齿轮与若干个圆柱啮合，所述往复直槽口的槽口边沿设置有将第一齿轮限位于直槽口内的限位环；
所述第二齿轮转动连接在顶出气缸的机壳上，所述顶出气缸的活塞杆侧壁上设置有传动齿，所述传动齿的延伸方向与顶出气缸的活塞杆的长度方向相同，所述第二齿轮与传动齿啮合，所述第一齿轮和第二齿轮同轴固定；
所述方框滑动设置于外槽内壁上，所述方框滑动方向与a角和b角的连线方向相同，所述方板限位于方框内滑动，所述方框水平方向的宽度和方板水平方向的宽度相同，所述方框竖直方向的高度大于方板竖直方向的高度；
两个所述敲击杆远离a角和b角的端部固定于方板上。
通过采用上述技术方案，当顶出气缸工作时，活塞杆移动，驱动第二齿轮转动，第 二齿轮带动第一齿轮转动，因为第一齿轮被限位在往复直槽口内且与若干圆柱啮合；成排的圆柱将直槽口内腔分隔形成环状的供第一齿轮移动的通道，第一齿轮转动时，带动方板在水平方向和竖直方向移动，方板在水平方向上移动时，方便带动方框一起滑动，使两个敲击杆分别敲击钣金件靠近a角和b角的位置处。当方板在竖直方向上移动时，方板在方框内上移。
可选的，所述顶出气缸的活塞杆上设置有停碰槽，所述停碰槽位于传动齿的下方，所述停碰槽的延伸方向与传动齿的延伸方向相同，所述停碰槽用于容纳第二齿轮靠近传动齿一侧的端部。
通过采用上述技术方案，顶出气缸的活塞杆开始上移时，第二齿轮在传动齿处啮合，此时敲击杆位移后对钣金件进行敲击。随后第二齿轮位于停碰槽内时，第二齿轮不再带动第一齿轮转动，使钣金件不再被敲击，使得钣金件靠近a角和b角的位置处各被敲击一次后，敲击杆不再移动，从而不影响钣金件的顶出。
可选的，两个所述敲击杆朝向a角和b角的端部上设置有橡胶层。
通过采用上述技术方案，橡胶层的设置降低敲击噪音，同时还使钣金件不易受敲击而形变。
可选的，所述连接架包括固定板和抵接块，所述固定板与顶出气缸的活塞杆端部固定，所述抵接块固定于固定板上，所述抵接块远离顶出气缸的端部固定弯曲杆。
可选的，所述弯曲杆上包括与a角和b角契合的a`角和b`角，所述抵接块与a`角和b`角固定。
通过采用上述技术方案，在弯曲杆将钣金件顶出时，弯曲杆a`角和b`角之间的杆段受力最大，对通过a`角和b`角处进行支撑，使弯曲杆不易变形。
综上所述，本申请包括以下至少一种有益技术效果：
1.通过设置顶出气缸将钣金件顶出后下料，使下料方便，从而提高生产效率；
2.通过设置敲击杆先对钣金件进行敲击后再下料，使钣金件不易发生形变；
3.通过设置支撑块对弯曲杆进行支撑，使弯曲杆不易形变。
附图说明
图1是本申请实施例的冷压模的整体示意图。
图2是实施例的外槽内的结构示意图。
图3是实施例的顶出支架处的结构示意图，主要突出顶出支架的结构。
图4是实施例的松动组件的结构示意图。
附图标记说明：1、上压模；2、下压模；21、外槽；22、顶出气缸；23、a角；24、b角；3、顶出支架；31、连接架；311、固定板；312、抵接块；32、弯曲杆；321、U形段；322、直段；323、a`角；324、b`角；4、松动组件；41、往复结构；411、方框；4111、滑动腔；4112、滑轨；4113、滑槽；4114、抵接环；412、方板；4121、往复直槽口；4122、圆柱；4123、限位环；413、第一齿轮；414、第二齿轮；42、敲击杆；5、传动齿；6、停碰槽；7、橡胶层；8、钣金件。
具体实施方式
以下结合附图1-4对本申请作进一步详细说明。
本申请实施例公开一种轻质量汽车中央通道钣金件用冷压模。参照图1，轻质量汽车中央通道钣金件用冷压模包括上压模1和下压模2，下压模2长度方向的截面为“凸形”，上压模1长度方向的截面为“倒凹形”，钣金件8放置在上压模1和下压模2之间冷压后成型。
参照图1、图2，下压模2顶面的中部开设有两个外槽21，两个外槽21贯穿下压模2宽度方向的两侧。两个外槽21内壁上分别螺栓连接有顶出气缸22，顶出气缸22的活塞杆竖直朝上，顶出气缸22的顶端用于驱使钣金件8上移后脱离下压模2。
参照图1、图3，顶出气缸22的活塞杆顶端固定有用于抵接钣金件8的顶出支架3，顶出支架3包括连接架31和弯曲杆32，连接架31固定于活塞杆顶端。连接架31包括固定板311和两个抵接块312。固定板311中部开设有供顶出气缸22的活塞杆穿出的穿孔，顶出气缸22的活塞杆上螺纹连接有两个螺母将固定板311固定。两个抵接块312固定于固定板311的顶面，且两个抵接块312固定于固定板311长度方向的两端。抵接块312远离顶出气缸22的端部焊接固定弯曲杆32。
参照图1、图3，弯曲杆32包括U形段321和设置于U形段321两端的直段322，弯曲杆32弯曲形状与下压模2的截面的顶部边沿的形状相同，所述弯曲杆32用于抵接钣金件8底面，因为弯曲杆32的弯曲形状与冷压后的钣金件8契合，使钣金件8顶出时，钣金件8受力均匀。
参照图2、图3，下压模2宽度方向的截面的边沿包括位于下压模2顶面的a角23和b角24，所述弯曲杆32上包括与a角23和b角24契合的a`角323和b`角324，两个抵接块312的顶端分别与a`角323和b`角324焊接固定。
参照图2、图3，外槽21内还设置有松动组件4，松动组件4包括往复结构41和两个端部连接的敲击杆42。两个所述敲击杆42相互远离的端部分别朝向a角23和b角24， 往复结构41驱使敲击杆42水平方向滑动使敲击杆42端部交替敲击钣金件8上靠近a角23和b角24处。
参照图2、图3，顶出支架3通过顶出气缸22收缩于外槽21内时，弯曲杆32全部位于外槽21内，弯曲杆32的顶部低于下压模2的顶面，且敲击杆42朝向a角23和b角24的端部高于弯曲杆32的顶部。往复结构41驱使敲击杆42水平方向往复滑动，且滑动方向沿下压模2的宽度方向，同时敲击杆42的滑动方向也为a角23和b角24连线的方向。
参照图2、图4，往复结构41包括方框411、方板412、第一齿轮413和第二齿轮414。方框411所在的平面与外槽21的侧壁平行，方框411朝向外槽21内壁的侧壁上贯穿开设有供方板412滑动的滑动腔4111，滑动腔4111的深度方向与下压模2的长度方向平行。方框411滑动连接于外槽21内壁上，外槽21内壁上固定有长度方向与a角23和b角24的连线方向相同的滑轨4112，方框411上开设有用于容纳滑轨4112的滑槽4113，滑槽4113内壁与滑轨4112外壁滑动接触。
参照图2、图4，方板412滑动连接在滑动腔4111内，方框411水平方向的宽度和方板412水平方向的宽度相同，方框411竖直方向的高度大于方板412竖直方向的高度，方板412的滑动方向沿方框411所在的平面。滑动腔4111内壁固定有抵接环4114，抵接环4114位于滑动腔4111靠近滑轨4112的一侧，抵接环4114沿滑动腔4111内壁的周向延伸。方板412滑动时，方板412抵接抵接环4114远离滑轨4112的一侧。两个敲击杆42远离a角23和b角24的端部固定于方板412上，方板412滑动时，带动两个敲击杆42滑动。敲击杆42为空心杆，具有轻质量的特点。
参照图4，方板412远离滑轨4112的板面上开设有往复直槽口4121，往复直槽口4121的槽底上均匀间隔并排固定有若干圆柱4122，两个边缘位置的圆柱4122与往复直槽口4121长度方向两端同轴设置。第一齿轮413位于往复直槽口4121内，第一齿轮413的轴线与圆柱4122的轴线平行，且第一齿轮413与若干个圆柱4122啮合。往复直槽口4121的槽口边沿设置有将第一齿轮413限位于直槽口内的限位环4123。
参照图4，第二齿轮414转动连接在顶出气缸22的机壳上，顶出气缸22的活塞杆侧壁上设置有传动齿5，传动齿5的延伸方向与顶出气缸22的活塞杆的长度方向相同，第二齿轮414与传动齿5啮合，第一齿轮413和第二齿轮414同轴固定。
参照图4，顶出气缸22的活塞杆上开设有停碰槽6，停碰槽6位于传动齿5的下方，停碰槽6的延伸方向与传动齿5的延伸方向相同，停碰槽6用于容纳第二齿轮414靠近传动齿5一侧的端部，当第二齿轮414脱离传动齿5进入停碰槽6内时，第二齿轮414停止 转动，使两个敲击杆42停止敲击。
参照图2、图4，两个敲击杆42朝向a角23和b角24的端部上固定有橡胶层7，橡胶层7为橡胶套，橡胶套套接于敲击杆42端部，橡胶套内壁摩擦力使橡胶套固定于敲击杆42端部。
本申请实施例一种轻质量汽车中央通道钣金件用冷压模的实施原理为：使用时，将2-5mm的钣金件8通过上压模1和下压模2合模后压型，压型完成后，顶出气缸22的活塞杆升起，带动第二齿轮414转动，然后带动第一齿轮413转动，成排的圆柱4122将直槽口分隔成环状的供第一齿轮413移动的通道，第一齿轮413在通道内移动时，驱使方板412移动。当第一齿轮413在通道内平移时，方板412和方框411沿滑轨4112水平方向移动，带动敲击杆42水平方向移动，从而敲击钣金件8靠近a角23和b角24的位置；当第一齿轮413从下方的通道转移至上方的通道时，方板412在方框411内上移，因为方框411竖内腔竖直方向的高度大于方板412的高度，从而预留了方板412滑动的空间。
综上，本申请的技术方案，先采用震动方式使钣金件8与下压模2松动，再通过顶出气缸22顶出钣金件8后工人再将钣金件8从弯曲杆32取下，使钣金件8下料方便，且钣金件8不易形变，提高钣金件8阿德加工效率，且产品成型形好。
以上均为本申请的较佳实施例，并非依此限制本申请的保护范围，故：凡依本申请的结构、形状、原理所做的等效变化，均应涵盖于本申请的保护范围之内。

Claims (8)

  1. 一种轻质量汽车中央通道钣金件用冷压模，包括上压模(1)和下压模(2)，其特征在于：所述下压模(2)截面为凸形，所述上压模(1)截面为倒凹形，所述下压模(2)顶面的中部开设有外槽(21)，所述外槽(21)内壁上设置有顶出气缸(22)，所述顶出气缸(22)的活塞杆朝上，所述顶出气缸(22)的顶端用于驱使钣金件(8)脱离下压模(2)。
  2. 根据权利要求1所述的一种轻质量汽车中央通道钣金件用冷压模，其特征在于：所述顶出气缸(22)的活塞杆顶端设置有顶出支架(3)，所述顶出支架(3)包括连接架(31)和弯曲杆(32)，所述连接架(31)固定于活塞杆顶端，所述弯曲杆(32)固定于连接架(31)上，所述弯曲杆(32)包括U形段(321)和设置于U形段(321)两端的直段(322)，所述弯曲杆(32)弯曲形状与下压模(2)的截面的顶部边沿的形状相同，所述弯曲杆(32)用于抵接钣金件(8)。
  3. 根据权利要求2所述的一种轻质量汽车中央通道钣金件用冷压模，其特征在于：所述外槽(21)内设置有松动组件(4)，所述松动组件(4)包括往复结构(41)和两个端部连接的敲击杆(42)；所述下压模(2)的截面的边沿包括位于下压模(2)顶面的a角(23)和b角(24)，两个所述敲击杆(42)分别朝向a角(23)和b角(24)；
    当所述顶出支架(3)收缩于外槽(21)内时，所述弯曲杆(32)全部位于外槽(21)内，且所述敲击杆(42)朝向a角(23)和b角(24)的端部高于弯曲杆(32)的顶部，所述往复结构(41)驱使敲击杆(42)往复滑动，所述敲击杆(42)的滑动方向为a角(23)和b角(24)连线的方向；所述敲击杆(42)用于敲击钣金件(8)上靠近a角(23)和b角(24)处。
  4. 根据权利要求3所述的一种轻质量汽车中央通道钣金件用冷压模，其特征在于：所述往复结构(41)包括方框(411)、方板(412)、第一齿轮(413)和第二齿轮(414)，所述方板(412)板面上开设有往复直槽口(4121)，所述往复直槽口(4121)槽底均匀间隔并排固定有若干圆柱(4122)，两个边缘位置的圆柱(4122)与往复直槽口(4121)长度方向两端同轴设置；第一齿轮(413)位于往复直槽口(4121)内，且第一齿轮(413)与若干个圆柱(4122)啮合，所述往复直槽口(4121)的槽口边沿设置有将第一齿轮(413)限位于直槽口内的限位环(4123)；
    所述第二齿轮(414)转动连接在顶出气缸(22)的机壳上，所述顶出气缸(22)的活塞杆侧壁上设置有传动齿(5)，所述传动齿(5)的延伸方向与顶出气缸(22)的活塞杆的长度方向相同，所述第二齿轮(414)与传动齿(5)啮合，所述第一齿轮(413)和第二齿轮(414)同轴固定；
    所述方框(411)滑动设置于外槽(21)内壁上，所述方框(411)滑动方向与a角(23)和b角(24)的连线方向相同，所述方板(412)限位于方框(411)内滑动，所述方框(411)水平方向的宽度和方板(412)水平方向的宽度相同，所述方框(411)竖直方向的高度大于方板(412)竖直方向的高度；
    两个所述敲击杆(42)远离a角(23)和b角(24)的端部固定于方板(412)上。
  5. 根据权利要求4所述的一种轻质量汽车中央通道钣金件用冷压模，其特征在于：所述顶出气缸(22)的活塞杆上设置有停碰槽(6)，所述停碰槽(6)位于传动齿(5)的下方，所述停碰槽(6)的延伸方向与传动齿(5)的延伸方向相同，所述停碰槽(6)用于容纳第二齿轮(414)靠近传动齿(5)一侧的端部。
  6. 根据权利要求4所述的一种轻质量汽车中央通道钣金件用冷压模，其特征在于：两个所述敲击杆(42)朝向a角(23)和b角(24)的端部上设置有橡胶层(7)。
  7. 根据权利要求3所述的一种轻质量汽车中央通道钣金件用冷压模，其特征在于：所述连接架(31)包括固定板(311)和抵接块(312)，所述固定板(311)与顶出气缸(22)的活塞杆端部固定，所述抵接块(312)固定于固定板(311)上，所述抵接块(312)远离顶出气缸(22)的端部固定弯曲杆(32)。
  8. 根据权利要求7所述的一种轻质量汽车中央通道钣金件用冷压模，其特征在于：所述弯曲杆(32)上包括与a角(23)和b角(24)契合的a`角(323)和b`角(324)，所述抵接块(312)与a`角(323)和b`角(324)固定。
PCT/CN2023/081792 2023-01-10 2023-03-16 一种轻质量汽车中央通道钣金件用冷压模 WO2024148676A1 (zh)

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* Cited by examiner, † Cited by third party
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JPH081243A (ja) * 1994-06-14 1996-01-09 Daihatsu Motor Co Ltd プレス金型装置
CN207308744U (zh) * 2017-09-30 2018-05-04 安徽江淮汽车集团股份有限公司 一种马鞍形钣金件成型模具
CN108672567A (zh) * 2018-06-29 2018-10-19 重庆工贸职业技术学院 用于钣金零部件的冲压模具
CN109759510A (zh) * 2019-03-20 2019-05-17 倪岚霖 一种汽车钣金冲压模具
CN211758038U (zh) * 2020-01-14 2020-10-27 常州市惠宇电器有限公司 一种汽车中央通道钣金件模具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH081243A (ja) * 1994-06-14 1996-01-09 Daihatsu Motor Co Ltd プレス金型装置
CN207308744U (zh) * 2017-09-30 2018-05-04 安徽江淮汽车集团股份有限公司 一种马鞍形钣金件成型模具
CN108672567A (zh) * 2018-06-29 2018-10-19 重庆工贸职业技术学院 用于钣金零部件的冲压模具
CN109759510A (zh) * 2019-03-20 2019-05-17 倪岚霖 一种汽车钣金冲压模具
CN211758038U (zh) * 2020-01-14 2020-10-27 常州市惠宇电器有限公司 一种汽车中央通道钣金件模具

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