WO2017059615A1 - 一种摆剪模四点支承浮动摆动机构 - Google Patents

一种摆剪模四点支承浮动摆动机构 Download PDF

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Publication number
WO2017059615A1
WO2017059615A1 PCT/CN2015/093785 CN2015093785W WO2017059615A1 WO 2017059615 A1 WO2017059615 A1 WO 2017059615A1 CN 2015093785 W CN2015093785 W CN 2015093785W WO 2017059615 A1 WO2017059615 A1 WO 2017059615A1
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WIPO (PCT)
Prior art keywords
shaft
stepped
hole
support
base
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PCT/CN2015/093785
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English (en)
French (fr)
Inventor
潘恩海
杨建军
朱蔚
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江苏亚威机床股份有限公司
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Publication of WO2017059615A1 publication Critical patent/WO2017059615A1/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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14—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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides

Definitions

  • the invention relates to a pendulum shearing four-point supporting floating swinging mechanism.
  • the pendulum shearing die is a processing equipment that can quickly cut out a certain angle of steel strip. It is a fixed angle and fixed size shearing machine for automobiles, home appliances, generators, etc. It is the main tool in the modern strip cutting.
  • the pendulum shearing die is mounted on the unwinding blanking line for lateral and oblique shearing of the fixed length strip. During the stamping process of the press, the relative movement of the cutting edge cuts the strip between the two cutting edges.
  • the existing pendulum shearing die is only provided with a floating support point at the bottom of the lower formwork. Since the lower formwork frame is relatively large in size and heavy in weight, and the upper pressure may be biased, the gap between the lower formwork and the base is not evenly distributed. When the gear drives the lower mold base to rotate, the gap on the tooth side is not uniform, and the movement is not stable enough.
  • the object of the present invention is to provide a four-point support floating swing of a pendulum shear mode with a simple structure and three auxiliary support points on the periphery to ensure uniform gap between the lower mold base and the base, thereby ensuring uniformity of the tooth side gap. mechanism.
  • the utility model comprises a lower mold base located above the base, wherein a middle floating support mechanism is connected with the base in the middle of the lower mold base, and an auxiliary support mechanism is arranged above the base and below, respectively, below the left and right ends of the lower mold base and below the middle rear end
  • the rear end of the formwork is provided with a large gear that meshes with the pinion.
  • the central floating support mechanism comprises a main shaft placed on the stepped hole of the base, and the upper and lower ends of the main shaft are respectively provided with an upper stepped shaft, a next stepped shaft and a lower two stepped shaft, and the upper and lower ends of the main shaft are respectively arranged outside the circumference
  • There is a single row cylindrical roller bearing a single row cylindrical roller bearing at the lower end of the main shaft is placed on the step of the stepped hole, the next stepped shaft bearing has a one-way thrust ball bearing, and the upper end of the one-way thrust ball bearing supports the next step surface and a single row Cylindrical roller bearing
  • the bottom end of the base is provided with a bottom cover
  • the lower two stepped shaft is located in the through hole of the bottom cover
  • the bearing I is arranged between the lower two stepped shaft and the through hole of the bottom cover
  • the lower end of the one-way thrust ball bearing is pressed against the bottom cover
  • the lower end of the lower mold frame is provided with a mounting hole sleeved on
  • a spacer sleeve is arranged between the single row cylindrical roller bearings of the upper and lower ends of the spindle.
  • the auxiliary supporting mechanism comprises a supporting shaft installed in the stepped hole at the lower end of the lower mold frame, the upper end of the supporting shaft is provided with a protruding rod, and the upper end of the lower mold frame is provided with a counterbore opposite to the stepped hole, and between the counterbore and the stepped hole a through hole is communicated, the upper end of the protruding rod is sleeved with a composite bearing, the composite bearing is installed in the through hole, and the back hole is provided with a backing plate, the backing plate is connected with the protruding rod by a bolt, and the protruding rod outer sleeve has a disc spring.
  • the upper end surface of the support shaft is provided with an annular groove
  • the lower end of the disc spring is located in the annular groove
  • the upper end of the disc spring is abutted against the upper end surface of the stepped hole
  • the lower end surface of the support shaft is provided with a groove in the axial direction, and the groove is provided therein.
  • a roller the roller is connected to the support shaft through a pin shaft, wherein the stepped hole is provided with a first step above the upper end surface of the support shaft, a second step is disposed in the lower end of the stepped hole, and a bearing II is disposed on the second step. Both ends of the pin shaft penetrate through the support shaft, and both ends of the pin shaft are provided with a support plate, and the bearing II is sleeved on the lower end of the support shaft and located on the support plate.
  • the pinion gear is mounted on an output shaft of the servo reduction motor
  • the servo reduction motor is mounted on a connecting plate on the frame
  • the connecting plate is provided with a sliding slot
  • the servo reduction motor is installed in the chute Inside, the large gear is a quarter-fan gear.
  • the invention has simple structure, and an auxiliary support mechanism is added under the left and right ends and the rear end of the lower mold frame to ensure uniform gap between the lower mold frame and the base, thereby ensuring uniformity of the tooth side gap and ensuring smooth movement;
  • the servo reduction motor is installed on the machine In the chute of the connecting plate on the frame, the pinion gear is mounted on the output shaft of the servo reduction motor, and can be moved together with the servo reduction motor to change the center distance between the pinion and the large gear.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a schematic view showing the structure of the central floating support mechanism of Figure 1.
  • Figure 3 is a schematic view showing the structure of the auxiliary support mechanism of Figure 1.
  • 1 is the base
  • 2 is the lower mold base
  • 3 is the middle floating support mechanism
  • 4 is the auxiliary support mechanism
  • 5 is the large gear
  • 6 is the pinion
  • 7 is the main shaft
  • 8 is the upper step shaft
  • 9 is the next step
  • the shaft, 10 is the lower two stepped shaft
  • 11 is the single row cylindrical ball bearing
  • 12 is the one-way thrust ball bearing
  • 13 is the bottom cover
  • 14 is the bearing I
  • 15 is the upper cover
  • 16 is the spacer
  • 17 is the support shaft
  • 18 It is a bump
  • 19 is a composite bearing
  • 20 is a backing plate
  • 21 is a disc spring
  • 22 is a roller
  • 23 is a pin
  • 24 is a bearing II
  • 25 is a servo reduction motor
  • 26 is a connecting plate.
  • the utility model relates to a four-point supporting floating swinging mechanism of a pendulum shearing die, comprising a lower formwork 2 located above the base 1, wherein a middle floating support mechanism 3 is connected with the base 1 in the middle of the lower formwork 2, and left and right sides of the lower formwork 2
  • An auxiliary support mechanism 4 is disposed above the base 1 at a lower portion of the lower end and an intermediate rear end, and a large gear 5 is disposed at a rear end of the lower mold frame 2, and the large gear 5 meshes with the pinion gear 6;
  • the central floating support mechanism 3 includes a spindle 7 placed in the stepped hole of the base 1,
  • the upper and lower ends of the main shaft 7 are respectively provided with an upper stepped shaft 8, a next stepped shaft 9 and a second stepped shaft 10, and the upper and lower ends of the main shaft 7 are respectively provided with a single row of cylindrical roller bearings 11 and a single row at the lower end of the main shaft 7.
  • the cylindrical roller bearing 11 is placed on the step of the stepped hole, and the next stepped shaft 9 is covered with a one-way thrust ball bearing 12, and the upper end of the one-way thrust ball bearing 12 supports the next stepped surface and the single row cylindrical roller bearing 11, the base
  • the lower end is provided with a bottom cover 13, the lower two stepped shaft 10 is located in the through hole of the bottom cover 13, and the bearing I14 is disposed between the lower two stepped shaft 10 and the through hole of the bottom cover 13, and the lower end of the one-way thrust ball bearing 12 is against the bottom cover.
  • the lower end of the lower mold base 2 is provided with a mounting hole sleeved on the upper stepped shaft 8, the upper stepped shaft 8 is jacketed with an upper cover 15, and the upper cover 15 is connected with the base 1 by screws, and the single row cylindrical roller bearing at the upper end of the main shaft 7
  • the upper end supports the upper cover 15, and the lower end of the lower mold base 2 is connected to the upper cover 15 by bolts.
  • the cooperation of the upper stepped shaft 8 and the mounting hole is an interference fit; the single row cylindrical roller bearing of the upper and lower ends of the main shaft 7 is provided.
  • a spacer 16 is provided between the 11; the auxiliary support mechanism 4 is mounted under the lower mold base 2 a support shaft 17 in the stepped hole, the upper end of the support shaft 17 is provided with a protruding rod 18, and the upper end of the lower mold base 2 is provided with a counterbore opposite to the stepped hole, and a through hole is formed between the counterbore and the stepped hole, the convex
  • the upper end of the rod 18 is sleeved with a composite bearing 19, and the composite bearing 19 is installed in the through hole.
  • the counterbore 20 is provided with a backing plate 20, and the backing plate 20 is connected with the protruding rod 18 by bolts.
  • the protruding rod 18 is covered with a disc spring 21 and supported.
  • An upper end surface of the shaft 17 is provided with an annular groove.
  • the lower end of the disc spring 21 is located in the annular groove.
  • the upper end of the disc spring 21 abuts the upper end surface of the stepped hole, and the lower end surface of the support shaft 17 is provided with a groove in the axial direction.
  • a roller 22 is disposed therein, and the roller 22 is connected to the support shaft 17 through a pin shaft 23.
  • the first step is provided in the stepped hole above the upper end surface of the support shaft 17, and the second step is disposed in the lower end of the stepped hole.
  • a bearing II24 is disposed on the step, the pin shaft 23 has two ends extending through the support shaft 17, and the support shaft is disposed at two ends of the pin shaft 23.
  • the bearing II24 is sleeved on the lower end of the support shaft 17 and located on the support plate; the pinion gear 6 Mounted on the output shaft of the servo reduction motor 25, the servo reduction motor 25 is mounted on the frame of the frame 26, the connecting plate 26 is provided with a sliding groove, the servo reduction motor 25 is installed in the sliding groove, and the large gear 5 is a quarter-shaped gear.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

一种摆剪模四点支承浮动摆动机构，包括位于底座（1）上方的下模架（2），所述下模架（2）的中间设有中部浮动支承机构（3）与底座（1）连接，下模架（2）的左右两端的下方和中间后端的下方分别设有辅助支承机构（4）位于底座（1）上方，下模架（2）的后端设有弧形齿轮（5），该弧形齿轮（5）与小齿轮（6）相啮合。该机构结构简单，通过在下模架（2）左右两端及后端的下方增设辅助支承机构（4），保证了下模架（2）与底座（1）间隙均匀，从而保证了齿侧间隙均匀度，保证运动平稳；伺服减速电机（25）安装在机架上的连接板（26）的滑槽中，小齿轮（6）安装在伺服减速电机（25）的输出轴上，可随伺服减速电机（25）一起移动，便于改变小齿轮（6）与大齿轮（5）的中心距。

Description

一种摆剪模四点支承浮动摆动机构 技术领域
本发明涉及一种摆剪模四点支承浮动摆动机构。
背景技术
摆剪模是一种能快速切出一定角度钢带的加工设备，是汽车、家电、发电机等行业定角度、定尺寸剪断机，是现代带材剪断中的主要工具。摆剪模安装在开卷落料线上用来横向和倾斜剪切定尺带材，在压力机冲压过程中，剪刃相对运动将两剪刃间的带材切断。现有的摆剪模在下模架底部仅仅设置一个浮动支撑点，由于下模架体积比较大，重量比较重，再加上上方压力有可能偏载，就会出现下模架与底座间隙不够均匀，齿轮带动下模架转动时，齿侧间隙不均匀，运动不够平稳。
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，周边设有三个辅助支承点，保证下模架与底座间隙均匀，从而保证齿侧间隙均匀度的一种摆剪模四点支承浮动摆动机构。
为此本发明所采用的技术方案是：
包括位于底座上方的下模架，所述下模架的中间设有中部浮动支承机构与底座连接，下模架的左右两端的下方和中间后端的下方分别设有辅助支承机构位于底座上方，下模架的后端设有大齿轮，所述大齿轮与小齿轮相啮合。
进一步，所述中部浮动支承机构包括放置在底座阶梯孔的主轴，所述主轴上下两端分别设有上阶梯轴、下一阶梯轴和下二阶梯轴，所述主轴上下两端圆周外分别套有单列圆柱滚子轴承，主轴下端的单列圆柱滚子轴承放置在阶梯孔的台阶上，所述下一阶梯轴外套有单向推力球轴承，单向推力球轴承上端支承下一台阶面和单列圆柱滚子轴承，底座下端设有底盖，下二阶梯轴位于底盖通孔内，下二阶梯轴与底盖通孔之间设有轴承I，单向推力球轴承下端抵住底盖上端面，下模架下端设有套在上阶梯轴的安装孔，上阶梯轴外套有上盖，上盖通过螺钉与底座连接，主轴上端的单列圆柱滚子轴承上端支承上盖，下模架下端通过螺栓与上盖连接，上阶梯轴与安装孔的配合方式为过盈配合。
进一步，所述主轴上下两端套有的单列圆柱滚子轴承之间设有隔套。
进一步，所述辅助支承机构包括安装在下模架下端阶梯孔内的支承轴，所述支承轴上端设有凸杆，下模架上端设有沉孔与阶梯孔相对，沉孔与阶梯孔之间设有一通孔相通，所述凸杆上端套有复合轴承，复合轴承安装在通孔内，沉孔内设有垫板，所述垫板通过螺栓与凸杆连接，凸杆外套有碟簧，支承轴上端面设有环形凹槽，所述碟簧下端位于环形凹槽内，碟簧上端抵住阶梯孔上端面，支承轴下端面轴向方向设有凹槽，所述凹槽内设有滚轮，所述滚轮通过销轴与支承轴连接，阶梯孔内设有第一台阶位于支承轴上端面上方，阶梯孔下端内设有第二台阶，所述第二台阶上设有轴承II，所述销轴两端贯穿支承轴，销轴两端设有支撑板，所述轴承II套在支承轴下端并位于支撑板上。
进一步，所述小齿轮安装在伺服减速电机的输出轴上，所述伺服减速电机安装在机架上的连接板上，所述连接板上设有滑槽，所述伺服减速电机安装在滑槽内，所述大齿轮为1/4扇形齿轮。
本发明的优点是：
本发明结构简单，通过在下模架左右两端及后端的下方增设辅助支承机构，保证了下模架与底座间隙均匀，从而保证了齿侧间隙均匀度，保证运动平稳；伺服减速电机安装在机架上的连接板的滑槽中，小齿轮安装在伺服减速电机的输出轴上，可随伺服减速电机一起移动，便于改变小齿轮与大齿轮的中心距。
附图说明
图1是本发明的结构示意图。
图2是图1中的中部浮动支承机构的结构示意图。
图3是图1中的辅助支承机构的结构示意图。
图中1是底座、2是下模架、3是中部浮动支承机构、4是辅助支承机构、5是大齿轮、6是小齿轮、7是主轴、8是上阶梯轴、9是下一阶梯轴、10是下二阶梯轴、11是单列圆柱滚珠轴承、12是单向推力球轴承、13是底盖、14是轴承I、15是上盖、16是隔套、17是支承轴、18是凸杆、19是复合轴承、20是垫板、21是碟簧、22是滚轮、23是销轴、24是轴承II、25是伺服减速电机、26是连接板。
具体实施方式
一种摆剪模四点支承浮动摆动机构，包括位于底座1上方的下模架2，所述下模架2的中间设有中部浮动支承机构3与底座1连接，下模架2的左右两端的下方和中间后端的下方分别设有辅助支承机构4位于底座1上方，下模架2的后端设有大齿轮5，所述大齿轮5与小齿轮6相啮合；所述中部浮动支承机构3包括放置在底座1阶梯孔的主轴7，所 述主轴7上下两端分别设有上阶梯轴8、下一阶梯轴9和下二阶梯轴10，所述主轴7上下两端圆周外分别套有单列圆柱滚子轴承11，主轴7下端的单列圆柱滚子轴承11放置在阶梯孔的台阶上，所述下一阶梯轴9外套有单向推力球轴承12，单向推力球轴承12上端支承下一台阶面和单列圆柱滚子轴承11，底座1下端设有底盖13，下二阶梯轴10位于底盖13通孔内，下二阶梯轴10与底盖13通孔之间设有轴承I14，单向推力球轴承12下端抵住底盖13上端面，下模架2下端设有套在上阶梯轴8的安装孔，上阶梯轴8外套有上盖15，上盖15通过螺钉与底座1连接，主轴7上端的单列圆柱滚子轴承11上端支承上盖15，下模架2下端通过螺栓与上盖15连接，上阶梯轴8与安装孔的配合方式为过盈配合；所述主轴7上下两端套有的单列圆柱滚子轴承11之间设有隔套16；所述辅助支承机构4包括安装在下模架2下端阶梯孔内的支承轴17，所述支承轴17上端设有凸杆18，下模架2上端设有沉孔与阶梯孔相对，沉孔与阶梯孔之间设有一通孔相通，所述凸杆18上端套有复合轴承19，复合轴承19安装在通孔内，沉孔内设有垫板20，所述垫板20通过螺栓与凸杆18连接，凸杆18外套有碟簧21，支承轴17上端面设有环形凹槽，所述碟簧21下端位于环形凹槽内，碟簧21上端抵住阶梯孔上端面，支承轴17下端面轴向方向设有凹槽，所述凹槽内设有滚轮22，所述滚轮22通过销轴23与支承轴17连接，阶梯孔内设有第一台阶位于支承轴17上端面上方，阶梯孔下端内设有第二台阶，所述第二台阶上设有轴承II24，所述销轴23两端贯穿支承轴17，销轴23两端设有支撑板，所述轴承II24套在支承轴17下端并位于支撑板上；所述小齿轮6安装在伺服减速电机25的输出轴上，所述伺服减速电机25安装在机架上的连接板26上，所述连接板26上设有滑槽，所述伺服减速电机25安装在滑槽内，所述大齿轮5为1/4扇形齿轮。

Claims (5)

  1. 一种摆剪模四点支承浮动摆动机构，其特征在于，包括位于底座上方的下模架，所述下模架的中间设有中部浮动支承机构与底座连接，下模架的左右两端的下方和中间后端的下方分别设有辅助支承机构位于底座上方，下模架的后端设有大齿轮，所述大齿轮与小齿轮相啮合。
  2. 根据权利要求1所述的一种摆剪模四点支承浮动摆动机构，其特征在于，所述中部浮动支承机构包括放置在底座阶梯孔的主轴，所述主轴上下两端分别设有上阶梯轴、下一阶梯轴和下二阶梯轴，所述主轴上下两端圆周外分别套有单列圆柱滚子轴承，主轴下端的单列圆柱滚子轴承放置在阶梯孔的台阶上，所述下一阶梯轴外套有单向推力球轴承，单向推力球轴承上端支承下一台阶面和单列圆柱滚子轴承，底座下端设有底盖，下二阶梯轴位于底盖通孔内，下二阶梯轴与底盖通孔之间设有轴承I，单向推力球轴承下端抵住底盖上端面，下模架下端设有套在上阶梯轴的安装孔，上阶梯轴外套有上盖，上盖通过螺钉与底座连接，主轴上端的单列圆柱滚子轴承上端支承上盖，下模架下端通过螺栓与上盖连接，上阶梯轴与安装孔的配合方式为过盈配合。
  3. 根据权利要求2所述的一种摆剪模四点支承浮动摆动机构，其特征在于，所述主轴上下两端套有的单列圆柱滚子轴承之间设有隔套。
  4. 根据权利要求1所述的一种摆剪模四点支承浮动摆动机构，其特征在于，所述辅助支承机构包括安装在下模架下端阶梯孔内的支承轴，所述支承轴上端设有凸杆，下模架上端设有沉孔与阶梯孔相对，沉孔与阶梯孔之间设有一通孔相通，所述凸杆上端套有复合轴承，复合轴承安装在通孔内，沉孔内设有垫板，所述垫板通过螺栓与凸杆连接，凸杆外套有碟簧，支承轴上端面设有环形凹槽，所述碟簧下端位于环形凹槽内，碟簧上端抵住阶梯孔上端面，支承轴下端面轴向方向设有凹槽，所述凹槽内设有滚轮，所述滚轮通过销轴与支承轴连接，阶梯孔内设有第一台阶位于支承轴上端面上方，阶梯孔下端内设有第二台阶，所述第二台阶上设有轴承II，所述销轴两端贯穿支承轴，销轴两端设有支撑板，所述轴承II套在支承轴下端并位于支撑板上。
  5. 根据权利要求1所述的一种摆剪模四点支承浮动摆动机构，其特征在于，所述小齿轮安装在伺服减速电机的输出轴上，所述伺服减速电机安装在机架上的连接板上，所述连接板上设有滑槽，所述伺服减速电机安装在滑槽内，所述大齿轮为1/4扇形齿轮。
PCT/CN2015/093785 2015-10-08 2015-11-04 一种摆剪模四点支承浮动摆动机构 WO2017059615A1 (zh)

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