WO2021223576A1 - 一种注塑机合模区域使用的安全维修工作平台 - Google Patents

一种注塑机合模区域使用的安全维修工作平台 Download PDF

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Publication number
WO2021223576A1
WO2021223576A1 PCT/CN2021/086649 CN2021086649W WO2021223576A1 WO 2021223576 A1 WO2021223576 A1 WO 2021223576A1 CN 2021086649 W CN2021086649 W CN 2021086649W WO 2021223576 A1 WO2021223576 A1 WO 2021223576A1
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WIPO (PCT)
Prior art keywords
injection molding
molding machine
bracket
guide post
travel switch
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PCT/CN2021/086649
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English (en)
French (fr)
Inventor
乐罗威
吴悠
赵杰锋
石乘铭
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海天塑机集团有限公司
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Publication of WO2021223576A1 publication Critical patent/WO2021223576A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/84—Safety devices

Definitions

  • the invention relates to the technical field of injection molding machines, in particular to a safety maintenance work platform used in the clamping area of the injection molding machine.
  • the safety maintenance work platform used in the clamping area of the injection molding machine mostly uses springs to directly support the pedals and pedals.
  • the trigger stroke will change due to the weight changes of the pedals and pedals, requiring manual labor. Repeated adjustment, and after adjustment, the trigger strokes are different, which is greatly affected by the quality of the assembly personnel, and the later maintenance is cumbersome.
  • the assembly adjustment is not convenient enough, and the fixed mode cannot be formed; due to the large tonnage span of the current injection molding machine model, due to safety factors, different tonnage injection opportunities require different tread surfaces.
  • the initial load-bearing capacity of the spring is different; if a series of parts of the adjustment mechanism such as the safety pedal spring and the travel switch are not universal, and to adapt to different pedals and pedals, many similar parts will appear, which is not convenient for management and not conducive to assembly.
  • the present invention is made in consideration of the aforementioned problems.
  • the purpose of the invention is to provide a safe maintenance work platform used in the clamping area of an injection molding machine, which is convenient to install, saves debugging time, and the adjustment mechanism is suitable for all types of injection molding machines, and is versatile. powerful.
  • the present invention provides a safety maintenance work platform used in the clamping area of an injection molding machine, which includes a bracket, a guide post, a compression spring, a pedal, a pedal, and a travel switch.
  • the bracket is rectangular, and the guide The posts are arranged on the four corners of the bracket, the compression spring is sleeved on the guide post, the upper end of the guide post is arranged in the step frame, the lower end surface of the step frame and the compression spring The upper end abuts, the pedal is arranged on the pedal, the travel switch is arranged between the pedal and the bracket, the travel switch abuts against the lower end surface of the pedal, and the travel The switch is connected to the main engine of the injection molding machine, including:
  • An adjustment mechanism the adjustment mechanism includes a folding plate and a lifting adjustment device, the folding plate is sleeved on the guide post and abuts against the lower end of the compression spring, and the lifting adjustment device controls the folding plate in a vertical direction move.
  • the lifting adjustment device includes an adjustment screw, an adjustment nut and a fixing screw. It is arranged on the guide post, and the other side is attached to the side surface of the bracket through the fixing screw.
  • a threaded hole is provided on one side of the folding plate sleeved on the guide post, and one end of the adjusting screw is engaged with the threaded hole Inside, the adjusting nut is arranged on the adjusting screw for restricting the folded plate.
  • the side where the folding plate is attached to the bracket is provided with vertically distributed first limiting grooves, and the side of the bracket A fixing hole is provided, the first limiting groove communicates with the fixing hole, one end of the fixing screw passes through the first limiting groove and is clamped in the fixing hole, and a gasket is provided on the fixing screw , The gasket is attached to the outside of the folded plate.
  • the folding plate is sleeved on one side of the guide post and is provided with a horizontally distributed second limit slot, and the guide post movable clamp Set in the second limiting slot.
  • a cavity is provided in the step frame, a mounting hole is provided on the lower end surface of the step frame, and the guide post passes through the mounting hole Set in the cavity.
  • a first limiting hole is provided on the upper end surface of the step frame
  • a second limiting hole is provided on the top surface of the guide post
  • the first limiting hole is provided on the top surface of the guide post.
  • a limiting hole communicates with the second limiting hole
  • a limiting screw is provided on the step frame, and one end of the limiting screw passes through the first limiting hole and is clamped in the second limiting hole .
  • a rotating arm is arranged on the side of the travel switch, and the upper end of the rotating arm is close to the lower end surface of the step frame.
  • a cushion block is arranged under the travel switch, one side of the cushion block is fixedly connected to the top surface of the bracket, and the other side is connected to the top surface of the bracket.
  • the bottom of the travel switch is connected.
  • the initial distance between the pedal and the pedal can be fixed and unified. Regardless of the number of pedals and pedals, the adjustment mechanism and the compression spring can be used to make their initial depression position and depression stroke a certain value. Fixed means that the trigger weight is fixed and the trigger position of the travel switch is fixed, which ensures the convenience of installation and the stability of use.
  • One set of adjusting device can be applied to all types of injection molding machines, with strong versatility.
  • Figure 1 is a schematic diagram of the overall structure of the present invention.
  • Figure 2 is an exploded schematic diagram of a partial structure of the present invention
  • Figure 3 is a schematic diagram of the assembly structure of the adjustment mechanism of the present invention.
  • Figure 4 is a schematic diagram of a partial assembly structure of the present invention.
  • Figure 5 is a side view of the pedal mounting structure of the present invention.
  • Fig. 6 is a partial schematic diagram of the positional relationship between the travel switch and the pedal of the present invention.
  • a safety maintenance work platform used in the clamping area of an injection molding machine includes a bracket 100, a guide post 200, a compression spring 300, a step 400, a pedal 500 and a travel switch 600.
  • the bracket 100 is Rectangle
  • the guide post 200 is arranged on the four corners of the bracket 100
  • the compression spring 300 is sleeved on the guide post 200
  • the upper end of the guide post 200 is arranged in the pedal 400
  • the lower end of the pedal 400 abuts against the upper end of the compression spring 300
  • the pedal 500 is set on the pedal 400
  • the travel switch 600 is set between the pedal 400 and the bracket 100
  • the travel switch 600 is in contact with the lower end surface of the pedal 400
  • the travel switch 600 is connected to the main engine of the injection molding machine, in order to avoid When a maintenance person enters the injection molding machine maintenance area, a safety accident occurs.
  • a guide post 200 and a compression spring 300 sleeved on the guide post 200 are provided under the tread surface formed by the combination of the pedal 500 and the step 400.
  • the elastic force supports the pedal 500 and the pedal 400.
  • the travel switch 600 is in contact with the lower end surface of the pedal 400.
  • the pedal 400 will be further squeezed due to the increase in weight.
  • the compression spring 300 is pressed, the pedal 400 moves downward, and the travel switch 600 is also squeezed by the pedal 400.
  • the travel switch 600 controls the injection molding machine to power off, preventing the injection molding machine from continuing to work , Threatening the safety of maintenance personnel.
  • the initial pedal 500 and the initial position of the pedal 400 are fixed, but the weights of the pedal 400 and the pedal 500 are different for different models of injection molding machines, and different types of compression springs 300 are required during the assembly process. Adjust its initial position, the standard is different, it is more troublesome to assemble, and it is inconvenient for the later maintenance
  • the height of the downward pressing is determined by the weight of the object or person on the pedal 500.
  • an adjustment mechanism is also provided.
  • the adjustment mechanism includes a folding plate 710 and a lifting adjustment device.
  • the folding plate 710 is sleeved on the guide post 200 and abuts against the lower end of the compression spring 300.
  • the lifting adjustment device controls the folding plate 710 to move in the vertical direction.
  • a folding plate 710 is provided under the compression spring 300.
  • the lifting adjusting device includes an adjusting screw 720, an adjusting nut 730, and a fixing screw 740.
  • the folded plate 710 is L-shaped as a whole. The side of the bracket 100 is attached.
  • the folding plate 710 is sleeved on one side of the guide post 200 with a threaded hole, one end of the adjusting screw 720 is engaged in the threaded hole, and the adjusting nut 730 is arranged on the adjusting screw 720 to limit the folding plate 710.
  • the screw 720 rotates, through the threaded engagement, the folding plate 710 is driven to move up or down, which depends on the rotation direction of the adjusting screw 720.
  • the adjusting nut 730 is set to limit the position of the folding plate 710.
  • the bottom surface of the adjusting nut 730 is close to When the upper surface of the folded plate 710 is pressed, the folded plate 710 cannot continue to move upward.
  • first limiting slots 711 vertically distributed
  • the side of the bracket 100 is provided with fixing holes 110, the first limiting slots 711 and the fixing holes 110 Connected, one end of the fixing screw 740 passes through the first limiting slot 711 and is clamped in the fixing hole 110.
  • a washer 741 is arranged on the fixing screw 740. The movement of 710 in the horizontal direction makes it only move up and down along the direction of the first limiting slot 711.
  • the folded plate 710 is sleeved on one side of the guide post 200 and is provided with a horizontally distributed second limit slot 712, and the guide post 200 is movably clamped in the second limit slot 712.
  • the step 400 is provided with a cavity 410
  • the lower end surface of the step 400 is provided with a mounting hole 420
  • the guide post 200 is set in the cavity 410 through the mounting hole 420.
  • the guide post 200 and the step A gap is provided between the tops of the chambers 410, so that the step 400 can lower the squeeze travel switch 600 after being subjected to additional gravity.
  • the upper end surface of the step 400 is provided with a first limiting hole 430
  • the top surface of the guide post 200 is provided with a second limiting hole 210
  • the first limiting hole 430 is connected to the second limiting hole 210
  • the step 400 is provided with a limiting Screw 440.
  • One end of the limiting screw 440 passes through the first limiting hole 430 and is clamped in the second limiting hole 210.
  • the aperture of the first limiting hole 430 is larger than the screw of the limiting screw 440, but smaller than the limiting screw 440 nut, it is convenient to use the limit screw 440 to limit the maximum upward position of the tread 400, that is, when the bottom surface of the upper nut of the limit screw 440 is attached to the upper end surface of the tread 400, even if it continues to squeeze When the spring 300 is compressed, the pedal 400 cannot continue to move upward.
  • a rotating arm 610 is provided on the side of the travel switch 600.
  • the upper end of the swing arm 610 is close to the lower end surface of the pedal frame 400.
  • the swing arm 610 is the trigger device of the travel switch 600. Then the travel switch 600 feeds the information back to the host of the injection molding machine, and the host of the injection molding machine controls the power supply of the injection molding machine to be cut off, forcing the injection molding machine to fail to work to ensure safety.
  • a cushion block 620 is arranged under the limit switch 600.
  • One side of the cushion block 620 is fixedly connected to the top surface of the bracket 100, and the other side is connected to the bottom of the limit switch 600. Since the height of the limit switch 600 is low, if it is placed directly on the bracket 100 The bottom surface of the step frame 400 cannot be touched up, and the cushion block 620 can be set up to raise it.
  • the present invention provides a safety maintenance work platform used in the clamping area of an injection molding machine.
  • a guide post is arranged on a bracket, and a compression spring is sleeved on the guide post.
  • the compression spring is used to support the treadle, and at the same time
  • the travel switch can be used to cut off the power supply of the injection molding machine when the maintenance personnel step on the pedal to ensure the safety performance of the maintenance personnel.
  • the screw controls the compression spring, so that the initial position of the pedal can be adjusted, which can be applied to injection molding machines of different models, and is easy to assemble and maintain.

Abstract

本发明公开了一种注塑机合模区域使用的安全维修工作平台，包括托架、踏架、踏板、导柱、压缩弹簧、行程开关以及调节机构，通过在托架上设置导柱，在导柱上套设有压缩弹簧，利用压缩弹簧对踏架起到支撑作用，同时在踏架与托架之间设置有行程开关，利用该行程开关可以在维修人员踩到踏板上时，切断注塑机的电源，保证维修人员的安全性能，又设置有调节机构，通过折板以及调节螺钉来控制压缩弹簧，使得踏架的初始位置可调，可以适用于不同机型的注塑机，且容易装配、方便维护。

Description

一种注塑机合模区域使用的安全维修工作平台 技术领域
本发明涉及注塑机技术领域，特指一种注塑机合模区域使用的安全维修工作平台。
背景技术
目前注塑机合模区域所使用的安全维修工作平台(后文以“安全踏板”替代)，大多以弹簧直接支撑踏架和踏板，触发行程会由于踏架、踏板的重量变化而变化，需人工反复调节，且调节后触发行程各异，受装配人员素质影响较大，后期维护繁琐。
在现有技术中还存在以下技术问题：装配调节不够方便，也无法形成固定模式；由于目前注塑机的机型吨位跨度比较大，由于安全因素，吨位不同的注射机会需要尺寸不同的踩踏面，引起弹簧初始承重不同；若所采用的安全踏板弹簧、行程开关等调节机构的一系列零件不通用，而去适应不同踏架和踏板，则会出现很多类似零件，不便于管理，也不利于装配，且效果也只能大致相同；若所采用的安全踏板弹簧、行程开关等调节机构的一系列零件都是通用的，则会导致踩踏面的初始下压行程不同，安装人员只能根据实际情况进行调节，无法形成固定的流水装配模式，且效果各异，后期维护更不方便。
发明内容
本发明考虑了前述问题而做出，发明的目的是提供一种注塑机合模区域使用的安全维修工作平台，安装方便，节约调试时间，且调节机构适用于所有机型的注塑机，通用性强。
为实现上述目的，本发明提供一种注塑机合模区域使用的安全维修工作平台，包括托架、导柱、压缩弹簧、踏架、踏板以及 行程开关，所述托架为矩形，所述导柱设置在所述托架的四个角上，所述压缩弹簧套设在所述导柱上，所述导柱上端设置在所述踏架内，所述踏架下端面与所述压缩弹簧上端抵接，所述踏板设置在所述踏架上，所述行程开关设置在所述踏架与所述托架之间，所述行程开关与所述踏架下端面抵接，所述行程开关与注塑机的主机连接，还包括：
调节机构，所述调节机构包括折板和升降调节装置，所述折板套设在所述导柱上并与所述压缩弹簧下端抵接，所述升降调节装置控制所述折板在垂直方向移动。
据上所述的一种注塑机合模区域使用的安全维修工作平台，所述升降调节装置包括调节螺钉、调节螺母以及固定螺钉，所述折板整体呈L型，所述折板一侧套设在所述导柱上，另一侧通过所述固定螺钉与所述托架侧面贴合。
据上所述的一种注塑机合模区域使用的安全维修工作平台，所述折板套设在所述导柱的一侧上设置有螺纹孔，所述调节螺钉一端啮合在所述螺纹孔内，所述调节螺母设置在所述调节螺钉上，用于限制所述折板。
据上所述的一种注塑机合模区域使用的安全维修工作平台，所述折板与所述托架贴合的一侧上设置有垂直分布的第一限位槽，所述托架侧面设置有固定孔，所述第一限位槽与所述固定孔连通，所述固定螺钉一端穿过所述第一限位槽卡设在所述固定孔内，所述固定螺钉上设置垫片，所述垫片与所述折板外侧贴合。
据上所述的一种注塑机合模区域使用的安全维修工作平台，所述折板套设在所述导柱的一侧上设置水平分布的第二限位槽，所述导柱活动卡设在所述第二限位槽内。
据上所述的一种注塑机合模区域使用的安全维修工作平台，所述踏架内设置有容腔，所述踏架下端面上设置有安装孔，所述导柱通过所述安装孔设置在所述容腔内。
据上所述的一种注塑机合模区域使用的安全维修工作平台，所述踏架上端面上设置有第一限位孔，所述导柱顶面设置第二限位孔，所述第一限位孔与所述第二限位孔连通，所述踏架上设置限位螺钉，所述限位螺钉一端穿过所述第一限位孔卡设在所述第二限位孔内。
据上所述的一种注塑机合模区域使用的安全维修工作平台，所述行程开关侧边设置有转臂，所述转臂上端紧贴所述踏架下端面。
据上所述的一种注塑机合模区域使用的安全维修工作平台，所述行程开关下方设置垫块，所述垫块一侧与所述托架顶面固定连接，另一侧与所述行程开关底部相接。
本发明具有以下有益效果：
1、踏板以及踏架的初始距离可以固定统一，不管踏架和踏板多重，都可以利用调节机构和压缩弹簧的配合使它们的下压初始位置与下压行程是一个确定的数值，下压数值固定也就意味着触发重量固定和行程开关触发位置固定，保证了安装的方便和使用的稳定。
2、节省安装调试时间，可按部就班地在短时间内完成安装过程，而无需装后调试，实现流水装配。对比于传统结构，节省了维护成本。
3、设置有行程开关，可以通过行程开关切断注塑机的电力，防止发生危险事故。
4、一套调节装置就可以应用于所有机型的注塑机，通用性强。
5、适用于因特殊原因导致无法现场调节的情况，无需拆卸，可现场调节，短时间内就可以达到标准要求。
附图说明
图1是本发明的整体结构示意图；
图2是本发明的局部结构分解示意图；
图3是本发明的调节机构装配结构示意图；
图4是本发明的局部装配结构示意图；
图5是本发明的踏架安装结构侧视图；
图6是本发明的行程开关与踏架位置关系局部示意图。
具体实施方式
以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步的描述，但发明并不限于这些实施例。
如1-6图所示，一种注塑机合模区域使用的安全维修工作平台，包括托架100、导柱200、压缩弹簧300、踏架400、踏板500以及行程开关600，托架100为矩形，导柱200设置在托架100的四个角上，压缩弹簧300套设在导柱200上，导柱200上端设置在踏架400内，踏架400下端面与压缩弹簧300上端抵接，踏板500设置在踏架400上，行程开关600设置在踏架400与托架100之间，行程开关600与踏架400下端面抵接，行程开关600与注塑机的主机连接，为了实现避免当维修人员进入注塑机维修区域的时候发生安全事故，在踏板500和踏架400结合形成的踩踏面下方设置有导柱200以及套设在导柱200上的压缩弹簧300，利用压缩弹簧300的弹性力来支撑踏板500以及踏架400，此时行程开关600是与踏架400的下端面抵接的，当有维修人员站立在踏板500上时，由于重量增加，踏架400会进一步的挤压该压缩弹簧300，踏架400向下运动，而行程开关600同样的会被踏架400挤压，当挤压一定的高度时，行程开关600就控制注塑机断电，防止注塑机继续工作，威胁到维修人员的安全。
优选地，最开始的踏板500以及踏架400初始位置是固定的，但是不同机型的注塑机，踏架400与踏板500的重量是不一致的，在装配过程中需要不同类型的压缩弹簧300来调节其初始位置， 标准不同，装配起来较为麻烦，同时后期的维护也不方便
优选地，向下挤压的高度由在踏板500上的物体或人的重量来决定。
优选地，还设置有调节机构，调节机构包括折板710和升降调节装置，折板710套设在导柱200上并与压缩弹簧300下端抵接，升降调节装置控制折板710在垂直方向移动，则在压缩弹簧300下设置有折板710，当折板710利用升降调节装置向上移动时，就会进一步挤压压缩弹簧300，压缩弹簧300提供更大的弹性力给到踏架400，驱动踏架400向上运动，可以通过调节机构自主的调节驱动踏架400的初始位置，且不受踏架400以及踏板500的重量影响，适应性好，便于装配、方便维修。
优选地，升降调节装置包括调节螺钉720、调节螺母730以及固定螺钉740，折板710整体呈L型，折板710一侧套设在导柱200上，另一侧通过固定螺钉740与所述托架100侧面贴合。
优选地，折板710套设在导柱200的一侧上设置有螺纹孔，调节螺钉720一端啮合在螺纹孔内，调节螺母730设置在调节螺钉720上，用于限制折板710，在调节螺钉720转动的时候，通过螺纹啮合，带动折板710向上或向下运动，这取决于调节螺钉720的旋转方向，调节螺母730设置用于限制折板710的位置，当调节螺母730底面紧贴折板710上表面的时候，折板710就不能继续向上运动。
优选地，折板710与所述托架100贴合的一侧上设置有垂直分布的第一限位槽711，托架100侧面设置有固定孔110，第一限位槽711与固定孔110连通，固定螺钉740一端穿过第一限位槽711卡设在固定孔110内，固定螺钉740上设置垫片741，垫片741与折板710外侧贴合，则固定螺钉740限制了折板710在水平方向的运动，使其只能沿第一限位槽711的方向上下运动。
进一步优选地，折板710套设在导柱200的一侧上设置水平 分布的第二限位槽712，导柱200活动卡设在第二限位槽712内。
优选地，踏架400内设置有容腔410，踏架400下端面上设置有安装孔420，导柱200通过安装孔420设置在容腔410内，在装配好之后，导柱200与踏架400容腔410顶部之间是设置有间隙的，方便踏架400在受到额外的重力后，能够下降挤压行程开关600。
踏架400上端面上设置有第一限位孔430，导柱200顶面设置第二限位孔210，第一限位孔430与第二限位孔210连通，踏架400上设置限位螺钉440，限位螺钉440一端穿过第一限位孔430卡设在第二限位孔210内，第一限位孔430的孔径是大于限位螺钉440的螺杆的，但是小于限位螺钉440的螺帽的，便于利用该限位螺钉440能限定踏架400的最大上行位置，即限位螺钉440的上端螺帽底面与踏架400上端面贴合的时候，此时即使继续挤压压缩弹簧300，踏架400也无法继续往上运动。
行程开关600侧边设置有转臂610，转臂610上端紧贴踏架400下端面，该转臂610为行程开关600的触发装置，当踏架400往下运动时，压迫转臂610转动，然后行程开关600将信息反馈到注塑机的主机上，注塑机主机控制将注塑机的电源切断，强制注塑机不能工作，保证安全性。
行程开关600下方设置垫块620，垫块620一侧与托架100顶面固定连接，另一侧与行程开关600底部相接，由于行程开关600高度较低，如果是直接放置在托架100上，则接触不到踏架400底面，设置垫块620可将其垫高。
本发明提供的一种注塑机合模区域使用的安全维修工作平台，通过在托架上设置导柱，在导柱上套设有压缩弹簧，利用压缩弹簧对踏架起到支撑作用，同时在踏架与托架之间设置有行程开关，利用该行程开关可以在维修人员踩到踏板上时，切断注塑机的电源，保证维修人员的安全性能，又设置有调节机构，通过 折板以及调节螺钉来控制压缩弹簧，使得踏架的初始位置可调，可以适用于不同机型的注塑机，且容易装配、方便维护。
以上结合附图对本发明的技术方案进行了详细的阐述，所描述的实施例用于帮助理解本发明的思想。本文中所描述的具体实施例仅仅是对本发明精神作举例说明。发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。

Claims (9)

  1. 一种注塑机合模区域使用的安全维修工作平台，包括托架、导柱、压缩弹簧、踏架、踏板以及行程开关，所述托架为矩形，所述导柱设置在所述托架的四个角上，所述压缩弹簧套设在所述导柱上，所述导柱上端设置在所述踏架内，所述踏架下端面与所述压缩弹簧上端抵接，所述踏板设置在所述踏架上，所述行程开关设置在所述踏架与所述托架之间，所述行程开关与所述踏架下端面抵接，所述行程开关与注塑机的主机连接，其特征在于，还包括：
    调节机构，所述调节机构包括折板和升降调节装置，所述折板套设在所述导柱上并与所述压缩弹簧下端抵接，所述升降调节装置控制所述折板在垂直方向移动。
  2. 根据权利要求1所述的一种注塑机合模区域使用的安全维修工作平台，其特征在于，所述升降调节装置包括调节螺钉、调节螺母以及固定螺钉，所述折板整体呈L型，所述折板一侧套设在所述导柱上，另一侧通过所述固定螺钉与所述托架侧面贴合。
  3. 根据权利要求2所述的一种注塑机合模区域使用的安全维修工作平台，其特征在于，所述折板套设在所述导柱的一侧上设置有螺纹孔，所述调节螺钉一端啮合在所述螺纹孔内，所述调节螺母设置在所述调节螺钉上，用于限制所述折板。
  4. 根据权利要求2所述的一种注塑机合模区域使用的安全维修工作平台，其特征在于，所述折板与所述托架贴合的一侧上设置有垂直分布的第一限位槽，所述托架侧面设置有固定孔，所述第一限位槽与所述固定孔连通，所述固定螺钉一端穿过所述第一限位槽卡设在所述固定孔内，所述固定螺钉上设置垫片，所述垫片与所述折板外侧贴合。
  5. 根据权利要求2所述的一种注塑机合模区域使用的安全维修工作平台，其特征在于，所述折板套设在所述导柱的一侧上设置水平分布的第二限位槽，所述导柱活动卡设在所述第二限位槽内。
  6. 根据权利要求1所述的一种注塑机合模区域使用的安全维修工作平台，其特征在于，所述踏架内设置有容腔，所述踏架下端面上设置有安装孔，所述导柱通过所述安装孔设置在所述容腔内。
  7. 根据权利要求6所述的一种注塑机合模区域使用的安全维修工作平台，其特征在于，所述踏架上端面上设置有第一限位孔，所述导柱顶面设置第二限位孔，所述第一限位孔与所述第二限位孔连通，所述踏架上设置限位螺钉，所述限位螺钉一端穿过所述第一限位孔卡设在所述第二限位孔内。
  8. 根据权利要求1所述的一种注塑机合模区域使用的安全维修工作平台，其特征在于，所述行程开关侧边设置有转臂，所述转臂上端紧贴所述踏架下端面。
  9. 根据权利要求8所述的一种注塑机合模区域使用的安全维修工作平台，其特征在于，所述行程开关下方设置垫块，所述垫块一侧与所述托架顶面固定连接，另一侧与所述行程开关底部相接。
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