CN108955464A - A kind of automatic detection device and its control method of hole site and face position - Google Patents
A kind of automatic detection device and its control method of hole site and face position Download PDFInfo
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Abstract
本发明公开了一种孔位置和面位置的自动检测装置及其控制方法，装置包括支撑座，支撑座上安装有孔位置检测单元和面位检测单元。孔位置检测单元包括孔检测驱动件，孔检测驱动件固定连接支撑座，孔检测驱动件驱动连接有孔检测销；孔检测销成阶梯结构，包括孔检测销插入段和孔检测销连接段，孔检测销插入段的横截面积小于孔检测销连接段的横截面积，孔检测销插入段和孔检测销连接段之间形成一阶梯面；面位置检测单元包括面检测驱动件和面检测件，面检测驱动件固定连接支撑座；面检测驱动件驱动连接有面检测销，面检测件固定连接孔检测销，面检测件上开设有面检测孔。该自动检测装置可自动化地检测待检产品的孔位置和面位置是否合格。
The invention discloses an automatic detection device for a hole position and a surface position and a control method thereof. The device includes a support seat on which a hole position detection unit and a surface position detection unit are installed. The hole position detection unit includes a hole detection driver, the hole detection driver is fixedly connected to the support seat, and the hole detection driver is driven and connected with a hole detection pin; the hole detection pin is in a stepped structure, including a hole detection pin insertion section and a hole detection pin connection section, The cross-sectional area of the hole detection pin insertion section is smaller than the cross-sectional area of the hole detection pin connection section, and a stepped surface is formed between the hole detection pin insertion section and the hole detection pin connection section; the surface position detection unit includes a surface detection driver and a surface detection The surface detection drive part is fixedly connected to the support seat; the surface detection drive part is driven and connected with a surface detection pin, the surface detection part is fixedly connected to the hole detection pin, and the surface detection part is provided with a surface detection hole. The automatic detection device can automatically detect whether the hole position and surface position of the product to be inspected are qualified.
Description
技术领域technical field
本发明涉及汽车检测设备技术领域，尤其涉及一种孔位置和面位置的自动检测装置及其控制方法。The invention relates to the technical field of automobile detection equipment, in particular to an automatic detection device for a hole position and a surface position and a control method thereof.
背景技术Background technique
检具是汽车生产中最为重要的装置，它是所有成型零件的检验工具，汽车的质量起着至关重要的作用。现在检具中对孔位置和面位置的检测常采用人工检测的方式，利用通止规来逐一检测零件孔和面的位置精度，工作量大，检测效率低。The inspection tool is the most important device in automobile production. It is the inspection tool for all formed parts, and the quality of the automobile plays a vital role. At present, the detection of the hole position and surface position in the inspection tool is often carried out manually, and the position accuracy of the hole and surface of the part is detected one by one by using the go-no-go gauge. The workload is large and the detection efficiency is low.
发明内容Contents of the invention
本发明的目的在于提供一种孔位置和面位置的自动检测装置及其控制方法，提高孔位置和面位置的检测效率。The object of the present invention is to provide an automatic detection device and control method for the hole position and the surface position, so as to improve the detection efficiency of the hole position and the surface position.
为达此目的，本发明采用以下技术方案：For reaching this purpose, the present invention adopts following technical scheme:
一种孔位置和面位置的自动检测装置，包括支撑座，所述支撑座上安装有孔位置检测单元和面位检测单元；待检产品包括待检面，待检面上开设有待检孔；An automatic detection device for hole position and surface position, comprising a support base, on which a hole position detection unit and a surface position detection unit are installed; the product to be inspected includes a surface to be inspected, and a hole to be inspected is opened on the surface to be inspected;
所述孔位置检测单元包括孔检测驱动件，所述孔检测驱动件固定连接所述支撑座，所述孔检测驱动件驱动连接有孔检测销；所述孔检测销成阶梯结构，包括孔检测销插入段和孔检测销连接段，所述孔检测销插入段的横截面积小于所述孔检测销连接段的横截面积，所述孔检测销插入段和所述孔检测销连接段之间形成一阶梯面；The hole position detection unit includes a hole detection driver, the hole detection driver is fixedly connected to the support seat, and the hole detection driver is drivingly connected with a hole detection pin; the hole detection pin is in a stepped structure, including a hole detection A pin insertion section and a hole detection pin connection section, the cross-sectional area of the hole detection pin insertion section is smaller than the cross-sectional area of the hole detection pin connection section, the hole detection pin insertion section and the hole detection pin connection section form a stepped surface;
所述面位置检测单元包括面检测驱动件，所述面检测驱动件固定连接所述支撑座；所述面检测驱动件驱动连接有面检测销，所述面位置检测单元还包括面检测件，所述面检测件固定连接所述孔检测销，所述面检测件上开设有面检测孔；The surface position detection unit includes a surface detection driver, which is fixedly connected to the support seat; the surface detection driver is drivingly connected with a surface detection pin, and the surface position detection unit also includes a surface detection member, The surface detection part is fixedly connected to the hole detection pin, and a surface detection hole is opened on the surface detection part;
所述孔检测销插入段受驱插入待检孔时，待检孔合格；所述面检测销受驱插入所述面检测孔时，待检面合格。When the hole detection pin insertion section is driven into the hole to be inspected, the hole to be inspected is qualified; when the surface detection pin is driven to be inserted into the surface detection hole, the surface to be inspected is qualified.
可选的，所述支撑座上开设有孔检测限位孔，所述孔检测销连接段穿设于所述孔检测限位孔内。Optionally, a hole detection limit hole is opened on the support base, and the hole detection pin connection section is passed through the hole detection limit hole.
可选的，所述孔检测限位孔内设有孔检测直线轴承，所述孔检测销连接段穿设于所述孔检测直线轴承内。Optionally, a hole detection linear bearing is provided in the hole detection limit hole, and the hole detection pin connection section is passed through the hole detection linear bearing.
可选的，所述孔检测销连接段远离所述孔检测销插入段的一端固定连接所述面检测件，所述面检测件固定连接有孔检测浮动接头，所述孔检测浮动接头固定连接所述孔检测驱动件。Optionally, one end of the hole detection pin connection section away from the hole detection pin insertion section is fixedly connected to the surface detection part, the surface detection part is fixedly connected to a hole detection floating joint, and the hole detection floating joint is fixedly connected to The aperture senses the drive.
可选的，所述支撑座上设有支撑限位块，所述支撑限位块上开设有面检测限位孔，所述面检测销穿设于所述面检测限位孔内。Optionally, a support limit block is provided on the support seat, a surface detection limit hole is opened on the support limit block, and the surface detection pin is passed through the surface detection limit hole.
可选的，所述面检测限位孔内设有面检测直线轴承，所述面检测销穿设于所述面检测直线轴承内。Optionally, a surface detection linear bearing is provided in the surface detection limit hole, and the surface detection pin is passed through the surface detection linear bearing.
可选的，所述面检测销固定连接有面检测浮动接头，所述面检测浮动接头固定连接所述面检测驱动件。Optionally, the surface detection pin is fixedly connected with a surface detection floating joint, and the surface detection floating joint is fixedly connected with the surface detection driving member.
可选的，所述面检测孔为长孔，所述长孔沿所述孔检测销方向的宽度等于所述面检测销的直径与待检面的位置公差之和。Optionally, the surface detection hole is a long hole, and the width of the long hole along the direction of the hole detection pin is equal to the sum of the diameter of the surface detection pin and the position tolerance of the surface to be tested.
可选的，所述孔检测驱动件为孔检测气缸，所述面检测驱动件为面检测气缸；所述自动检测装置还包括控制器和显示屏，所述控制器电连接所述显示屏、所述孔检测驱动件和所述面检测驱动件。Optionally, the hole detection driver is a hole detection cylinder, and the surface detection driver is a surface detection cylinder; the automatic detection device also includes a controller and a display screen, and the controller is electrically connected to the display screen, The hole detection driver and the surface detection driver.
一种如上所述的自动检测装置的控制方法，所述控制方法包括：A control method of the automatic detection device as described above, the control method comprising:
孔检测驱动件驱动孔检测销朝待检孔的方向移动，判断孔检测驱动件是否打开至孔检测预定行程，若是，则反馈孔位置合格的信号，进行下一步；若否，则反馈孔位置不合格的信号，反馈面位置不合格的信号，结束检测；The hole detection driver drives the hole detection pin to move in the direction of the hole to be inspected, and judges whether the hole detection driver is opened to the predetermined stroke of the hole detection. If so, feedback the signal that the hole position is qualified, and proceed to the next step; if not, feedback the hole position The unqualified signal, the unqualified signal of the position of the feedback surface, ends the detection;
孔检测驱动件驱动孔检测销继续移动至孔检测销遇到阻力，孔检测驱动件停止驱动；The hole detection driver drives the hole detection pin to continue to move until the hole detection pin encounters resistance, and the hole detection driver stops driving;
面检测驱动件驱动面检测销朝面检测孔的方向移动，判断面检测驱动件是否打开至面检测预定行程，若是，则反馈面位置合格的信号；若否，则反馈面位置不合格的信号。The surface detection driver drives the surface detection pin to move towards the direction of the surface detection hole, and judges whether the surface detection driver is opened to the predetermined stroke of the surface detection. If so, the signal of the surface position is passed; if not, the signal of the surface position is unqualified .
与现有技术相比，本发明实施例具有以下有益效果：Compared with the prior art, the embodiments of the present invention have the following beneficial effects:
本发明提供的一种孔位置和面位置的自动检测装置可自动化地检测待检产品的孔位置和面位置是否合格，检测准确，检测速度快，大大提升了检测效率，减少人力成本。The automatic detection device for hole position and surface position provided by the present invention can automatically detect whether the hole position and surface position of the product to be inspected are qualified, the detection is accurate, the detection speed is fast, the detection efficiency is greatly improved, and the labor cost is reduced.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative efforts.
图1为本发明实施例提供的自动检测装置的结构示意图。Fig. 1 is a schematic structural diagram of an automatic detection device provided by an embodiment of the present invention.
图2为本发明实施例提供的自动检测装置的侧视示意图。Fig. 2 is a schematic side view of the automatic detection device provided by the embodiment of the present invention.
图3为本发明实施例提供的支撑座的结构示意图。Fig. 3 is a schematic structural diagram of a support seat provided by an embodiment of the present invention.
图4为本发明实施例提供的面检测销和面检测件的结构示意图。Fig. 4 is a schematic structural diagram of a surface detection pin and a surface detection piece provided by an embodiment of the present invention.
图5为本发明实施例提供的自动检测装置的控制方法示意图。Fig. 5 is a schematic diagram of a control method of an automatic detection device provided by an embodiment of the present invention.
图示说明：1、支撑座；101、孔检测限位孔；11、支撑限位块；102、面检测限位孔；2、孔位置检测单元；21、孔检测驱动件；22、孔检测销；221、孔检测销插入段；222、孔检测销连接段；23、孔检测浮动接头；3、面位置检测单元；31、面检测驱动件；32、面检测销；33、面检测件；331、面检测孔；34、面检测浮动接头；4、待检产品；41、待检面。Illustration: 1. Support seat; 101. Hole detection limit hole; 11. Support limit block; 102. Surface detection limit hole; 2. Hole position detection unit; 21. Hole detection driver; 22. Hole detection Pin; 221, hole detection pin insertion section; 222, hole detection pin connection section; 23, hole detection floating joint; 3, surface position detection unit; 31, surface detection driving part; 32, surface detection pin; 33, surface detection part ; 331 , surface detection hole; 34 , surface detection floating joint; 4, product to be inspected; 41 , surface to be inspected.
具体实施方式Detailed ways
为使得本发明的发明目的、特征、优点能够更加的明显和易懂，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，下面所描述的实施例仅仅是本发明一部分实施例，而非全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
在本发明的描述中，需要理解的是，术语“上”、“下”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。需要说明的是，当一个组件被认为是“连接”另一个组件，它可以是直接连接到另一个组件或者可能同时存在居中设置的组件。In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner" and "outer" are based on those shown in the accompanying drawings. Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a centered component at the same time.
下面结合附图并通过具体实施方式来进一步说明本发明的技术方案。The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
本发明提供了一种孔位置和面位置的自动检测装置，能够实现自动快速地检测待检产品4的孔位置和面位置是否符合设计要求。The present invention provides an automatic detection device for the hole position and the surface position, which can automatically and quickly detect whether the hole position and the surface position of the product 4 to be inspected meet the design requirements.
请参考图1，本实施例提供的自动检测装置包括支撑座1，支撑座1上安装孔位置检测单元2和面位置检测单元3。待检产品4被定位于待检位置，待检产品4包括待检面41，待检面41上开设有待检孔。Please refer to FIG. 1 , the automatic detection device provided in this embodiment includes a support base 1 , a hole position detection unit 2 and a surface position detection unit 3 installed on the support base 1 . The product 4 to be inspected is positioned at the position to be inspected, and the product 4 to be inspected includes a surface 41 to be inspected, and a hole to be inspected is opened on the surface 41 to be inspected.
请参考图2，孔位置检测单元2包括孔检测驱动件21，孔检测驱动件21固定连接支撑座1。孔检测驱动件21驱动连接孔检测销22。孔检测销22成阶梯结构，包括孔检测销插入段221和孔检测销连接段222，孔检测销插入段221的横截面积小于孔检测销连接段222的横截面积，孔检测销插入段221和孔检测销连接段222之间形成一阶梯面。Please refer to FIG. 2 , the hole position detection unit 2 includes a hole detection driver 21 , and the hole detection driver 21 is fixedly connected to the support base 1 . The hole detection driver 21 drives the connection hole detection pin 22 . The hole detection pin 22 has a stepped structure, including a hole detection pin insertion section 221 and a hole detection pin connection section 222, the cross-sectional area of the hole detection pin insertion section 221 is smaller than the cross-sectional area of the hole detection pin connection section 222, and the hole detection pin insertion section 221 and the hole detection pin connection section 222 form a stepped surface.
孔检测销插入段221受驱插入待检孔，待检孔合格。The hole detection pin insertion section 221 is driven and inserted into the hole to be inspected, and the hole to be inspected is qualified.
面位置检测单元3包括面检测驱动件31，面检测驱动件31固定连接支撑座1。面检测驱动件31驱动连接面检测销32。面位置检测单元3还包括面检测件33，面检测件33固定连接孔检测销22，面检测件33上开设有面检测孔331。The surface position detection unit 3 includes a surface detection driver 31 , and the surface detection driver 31 is fixedly connected to the support base 1 . The surface detection driver 31 drives the connecting surface detection pin 32 . The surface position detection unit 3 further includes a surface detection part 33 , the surface detection part 33 is fixed to the connection hole detection pin 22 , and the surface detection part 33 is provided with a surface detection hole 331 .
面检测销32受驱插入面检测孔331，待检面合格。The surface detection pin 32 is driven to insert into the surface detection hole 331, and the surface to be inspected is qualified.
请参考图2至图4，具体的，支撑座1上开设有孔检测限位孔101，孔检测限位孔101内设有孔检测直线轴承，孔检测销连接段222穿设于孔检测直线轴承内。孔检测销连接段222远离孔检测销检测段221的一端穿过孔检测直线轴承，固定连接面检测件33，面检测件33固定连接孔检测浮动接头23，孔检测浮动接头23固定连接孔检测驱动件21，孔检测驱动件21为孔检测气缸。Please refer to Fig. 2 to Fig. 4, specifically, a hole detection limit hole 101 is opened on the support base 1, a hole detection linear bearing is arranged in the hole detection limit hole 101, and a hole detection pin connecting section 222 is installed on the hole detection line inside the bearing. The end of the hole detection pin connection section 222 away from the hole detection pin detection section 221 passes through the hole detection linear bearing, and is fixedly connected to the surface detection part 33, and the surface detection part 33 is fixedly connected to the hole detection floating joint 23, and the hole detection floating joint 23 is fixed to the connection hole detection The driver 21, the hole detection driver 21 is a hole detection cylinder.
孔检测限位孔101和孔检测直线轴承的设置确保孔检测销22沿直线运动，孔检测浮动接头23保证孔检测气缸可顺利驱动孔检测销22移动，避免孔检测销22和孔检测气缸偏心时产生的故障。The setting of the hole detection limit hole 101 and the hole detection linear bearing ensures that the hole detection pin 22 moves along a straight line, and the hole detection floating joint 23 ensures that the hole detection cylinder can smoothly drive the hole detection pin 22 to move, avoiding the eccentricity of the hole detection pin 22 and the hole detection cylinder when the fault occurs.
类似的，支撑座1上设有支撑限位块11，支撑限位块11上开设有面检测限位孔102，面检测限位孔102内设有面检测直线轴承，面检测销32穿设于面检测直线轴承内。面检测销32固定连接面检测浮动接头34，面检测浮动接头34固定连接面检测驱动件31，面检测驱动件31为面检测气缸。面检测件33位于支撑限位块11的上方。Similarly, the support base 1 is provided with a support limit block 11, and the support limit block 11 is provided with a surface detection limit hole 102, and the surface detection limit hole 102 is provided with a surface detection linear bearing, and the surface detection pin 32 is penetrated In-surface detection of linear bearings. The surface detection pin 32 is fixedly connected to the surface detection floating joint 34, and the surface detection floating joint 34 is fixedly connected to the surface detection driving part 31, and the surface detection driving part 31 is a surface detection cylinder. The surface detecting member 33 is located above the supporting limit block 11 .
具体的，面检测孔331为长孔，该长孔沿孔检测销22方向的宽度(图2或图3中的A)等于面检测销32的直径与待检面41的位置公差之和。例如，若检测销的直径为7.4mm，待检测面的位置公差为2mm(±1mm)，A为9.4mm。Specifically, the surface detection hole 331 is a long hole, and the width of the long hole along the direction of the hole detection pin 22 (A in FIG. 2 or FIG. 3 ) is equal to the sum of the diameter of the surface detection pin 32 and the position tolerance of the surface to be detected 41 . For example, if the diameter of the detection pin is 7.4 mm, the position tolerance of the surface to be detected is 2 mm (±1 mm), and A is 9.4 mm.
自动检测装置还包括控制器和显示屏，控制器电连接显示屏、孔检测驱动件和面检测驱动件。The automatic detection device also includes a controller and a display screen, and the controller is electrically connected to the display screen, the hole detection driver and the surface detection driver.
本实施例提供的自动检测装置的工作流程如下：The workflow of the automatic detection device provided by the present embodiment is as follows:
孔位置检测：孔检测驱动件21驱动孔检测销22朝待检孔方向移动。若孔检测销插入段221遇到阻力无法插入待检孔，孔检测驱动件21停止驱动，反馈孔位置和面位置均不合格的信号；若孔检测销插入段221插入待检孔，孔检测驱动件21打开至孔检测预定行程，反馈孔位置合格的信号，进行下一步面位置检测。Hole position detection: the hole detection driver 21 drives the hole detection pin 22 to move toward the hole to be inspected. If the hole detection pin insertion section 221 encounters resistance and cannot be inserted into the hole to be inspected, the hole detection driver 21 stops driving, and the feedback hole position and surface position are all unqualified signals; if the hole detection pin insertion section 221 is inserted into the hole to be inspected, the hole detection The driving part 21 is opened to the predetermined stroke of the hole detection, and the signal that the hole position is qualified is fed back, and the next surface position detection is performed.
面位置检测：孔检测销22的阶梯面紧贴待检测面，面检测驱动件31驱动面检测销32朝面检测孔331的方向移动。若面检测销32遇到阻力无法插入面检测孔331，面检测驱动件31停止驱动，反馈面位置不合格的信号；若面检测销32插入面检测孔331，面检测驱动件31打开至面检测预定行程，反馈面位置合格的信号。Surface position detection: the stepped surface of the hole detection pin 22 is close to the surface to be detected, and the surface detection driver 31 drives the surface detection pin 32 to move toward the surface detection hole 331 . If the surface detection pin 32 encounters resistance and cannot be inserted into the surface detection hole 331, the surface detection driver 31 stops driving, and the signal that the surface position is unqualified is fed back; if the surface detection pin 32 is inserted into the surface detection hole 331, the surface detection driver 31 is opened to the surface. Detect the predetermined stroke, and the signal of the feedback surface position is qualified.
本实施例还提供了自动检测装置的控制方法，请参考图5，控制方法包括：This embodiment also provides a control method for the automatic detection device, please refer to FIG. 5, the control method includes:
步骤101、孔检测驱动件21驱动孔检测销22朝待检孔的方向移动；判断孔检测驱动件21是否打开至孔检测预定行程，若是，则执行步骤102；若否，则执行步骤111。Step 101, the hole detection driver 21 drives the hole detection pin 22 to move toward the hole to be inspected; judge whether the hole detection driver 21 is opened to the predetermined stroke of hole detection, if so, execute step 102; if not, execute step 111.
步骤102、反馈孔位置合格的信号。Step 102, feedback the signal that the position of the hole is qualified.
步骤103、孔检测驱动件21驱动孔检测销22继续移动至孔检测销22遇到阻力，孔检测驱动件21停止驱动。Step 103 , the hole detection driver 21 drives the hole detection pin 22 to continue moving until the hole detection pin 22 encounters resistance, and the hole detection driver 21 stops driving.
步骤104、面检测驱动件31驱动面检测销32朝面检测孔的方向移动；判断面检测驱动件是否打开至面检测预定行程，若是，则执行步骤105；若否，则执行步骤112。Step 104, the surface detection driver 31 drives the surface detection pin 32 to move towards the direction of the surface detection hole; judge whether the surface detection driver is opened to the predetermined stroke of surface detection, if so, perform step 105; if not, then perform step 112.
步骤105、反馈面位置合格的信号。Step 105 , a signal that the position of the surface is qualified is fed back.
步骤111、反馈孔位置不合格的信号，反馈面位置不合格的信号。Step 111 , feedback the signal that the position of the hole is unqualified, and the signal that the position of the surface is unqualified.
步骤121、反馈面位置不合格的信号。Step 121 , feedback a signal that the surface position is unqualified.
本实施例提供的自动检测装置可自动化地检测待检产品4的孔位置和面位置是否合格，检测准确，检测速度快，只需50s可完成对一个产品的检测。The automatic detection device provided in this embodiment can automatically detect whether the hole position and the surface position of the product 4 to be inspected are qualified, the detection is accurate, and the detection speed is fast. It only takes 50 seconds to complete the detection of one product.
以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be described in the foregoing embodiments The recorded technical solutions are modified, or some of the technical features are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
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Address after: 523000 Guangdong province Houjie town of Dongguan City, Bao Tang Bao Sen Road No. 2 building, A Applicant after: Guangdong gaowo Technology Co.,Ltd. Address before: 523000 Guangdong province Houjie town of Dongguan City, Bao Tang Bao Sen Road No. 2 building, A Applicant before: DONGGUAN SUNYUU AUTOMOTIVE EQUIPMENT Co.,Ltd. |
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Application publication date: 20181207 |