Car window glue scraper and glue scraping method

Abstract

The invention relates to the technical field of rail transit vehicle maintenance, in particular to a vehicle window glue scraper and a glue scraping method. The glue scraper comprises a fixing frame, a glue scraping knife and walking wheels; the fixing frame comprises fixing plates, a clamping assembly and a supporting shaft, the fixing plates are located on the two sides, the clamping assembly and the telescopic rod are installed on the fixing plates on the two sides and are perpendicular to the fixing plates, the supporting shaft is located at the front end of the clamping assembly, and the supporting shaft and the clamping assembly can stretch out and draw back in the direction perpendicular to the fixing plates; the glue scraping knife comprises a shell and a blade, the shell is clamped and installed in the clamping assembly, and the blade is installed in the shell and can stretch out and draw back in the direction parallel to the fixing plate; the walking wheels are rotationally installed on the supporting shafts. The problems that the glue scraping efficiency is low, the quality is poor, the tool adaptability is poor, and the safety is insufficient are solved, and the efficiency and quality of glue scraping operation of the train window of the motor train unit are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rail transit vehicle maintenance, and in particular to a window rubber scraping device and a rubber scraping method. BACKGROUND

[0002] In the process of EMU senior repair, a large number of window glasses need to be replaced, and the window sealant needs to be cleaned and re-applied. After the application, the sealant needs to be scraped to ensure the sealing performance and appearance quality.

[0003] At present, the window rubber scraping operation of the EMU generally uses a common wallpaper knife for manual scraping. The operator holds the knife handle and scrapes along the surface of the rubber body. This scraping method has the following technical problems: Firstly, since the blade is thin and low in strength, and has no guiding and supporting structure, it is difficult to control the angle and force of the blade during the scraping process. Not only is the scraping efficiency low, but also quality defects such as rubber residue, uneven surface and uneven edges may occur, which increases the rework rate and seriously affects the operation efficiency.

[0004] Secondly, the EMU has various types, and the window is mostly of irregular shape. The traditional tool has poor universality. For the windows of different types, different sizes or shapes of tools need to be frequently replaced. The tool switching process is complicated and time-consuming, which further reduces the overall operation efficiency.

[0005] In addition, the blade is directly exposed without protection. When scraping hard or thick rubber, the blade is subjected to a large resistance and is prone to breakage. The broken blade fragments may splash and cause harm to the operator and the vehicle body. SUMMARY

[0006] In view of the deficiencies of the prior art, the purpose of the embodiments of the present application is to provide a window rubber scraping device to solve the problems of low scraping efficiency, poor quality, poor tool adaptability and insufficient safety in the prior art, and to improve the efficiency and quality of the window rubber scraping operation of the EMU.

[0007] In order to achieve the above-mentioned purpose, the embodiments of the present application provide the following technical solutions: A window rubber scraping device, comprising: a fixing frame, a rubber scraping knife and a walking wheel; the fixing frame comprises a fixing plate, a clamping assembly and a supporting shaft, the fixing plate is located on both sides, the clamping assembly and the telescopic rod are both installed on the fixing plate on both sides and are both perpendicular to the fixing plate, the supporting shaft is located at the front end of the clamping assembly, and the supporting shaft and the clamping assembly can both stretch and contract along a direction perpendicular to the fixing plate; the rubber scraping knife comprises a shell and a blade, the shell is clamped and installed in the clamping assembly, and the blade is installed in the shell and can stretch and contract along a direction parallel to the fixing plate; and the walking wheel is rotatably installed on the supporting shaft.

[0008] Optionally, the walking wheels are two, and the two walking wheels are respectively located on the left and right sides of the glue scraping knife.

[0009] Optionally, the clamping assembly comprises an upper telescopic rod and a lower telescopic rod, both ends of the upper telescopic rod and the lower telescopic rod are installed on the two fixed plates, and the outer shell of the glue scraping knife is clamped between the upper telescopic rod and the lower telescopic rod.

[0010] Optionally, the upper telescopic rod comprises an upper sleeve shell in the middle and upper core rods at both ends of the upper sleeve shell, the upper core rods are L-shaped structures, the inner ends of the upper core rods are inserted into the upper sleeve shell and fastened by screws, and the outer ends of the upper core rods are fixedly installed on the outer side of the fixed plate.

[0011] Optionally, the lower telescopic rod comprises a lower sleeve shell in the middle and lower core rods at both ends of the lower sleeve shell, the lower core rods are flat plates, the inner ends of the lower core rods are inserted into the lower sleeve shell and fastened by screws, and the outer ends of the lower core rods are installed on the upper core rods by screws, so as to clamp the glue scraper between the upper telescopic rod and the lower telescopic rod.

[0012] Optionally, the clamping assembly comprises at least two groups, the front clamping assembly clamps the front end of the glue scraper, and the rear clamping assembly clamps the rear end of the glue scraper.

[0013] Optionally, the glue scraper further comprises a protective cover, the upper telescopic rod of the front clamping assembly is provided with a clamping block, the top surface of the clamping block is provided with a clamping groove, and the protective cover is clamped on the clamping groove of the clamping block.

[0014] Optionally, the glue scraper further comprises a handle, and the handle is installed on the upper telescopic rod of the rear clamping assembly.

[0015] Optionally, the support shaft comprises a sleeve pipe in the middle and core shafts at both ends of the sleeve pipe, the inner ends of the core shafts are inserted into the sleeve pipe and fastened by screws, the outer ends of the core shafts are installed on the inner side of the fixed plate, and the walking wheels are installed on the core shafts.

[0016] The embodiment of the application also provides a glue scraping method of the vehicle window glue scraper. The lengths of the clamping assembly and the support shaft are adjusted according to the size of the vehicle window, so as to adapt to the width of the edge of the vehicle window and make the walking wheels contact the edge of the vehicle window; The extending length of the blade of the glue scraping knife is adjusted according to the thickness of the glue body. The glue scraper is moved along the edge of the vehicle window, one walking wheel walks along the side of the glass, and the other walking wheel walks along the side of the vehicle body on which the glass is installed, so that the glue scraping knife scrapes off the excess glue body.

[0017] The one or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages: 1. In the window glue scraper of the present application, the fixing plate of the fixing frame is located on both sides to provide stable support for the entire device. The clamping assembly and the support shaft are vertically installed on the fixing plate and can be extended and retracted in a direction perpendicular to the fixing plate, so that the device can be adjusted according to the size of the window. The outer shell of the scraping knife is clamped in the clamping assembly, and the blade can be extended and retracted in a direction parallel to the fixing plate, which can adapt to different thicknesses of glue. The walking wheel is rotatably installed on the support shaft and can roll along the edge of the window. The extension and retraction characteristics of the support shaft and the clamping assembly cooperate to enable the device to adapt to different sizes of windows, solving the poor adaptability of traditional tools to different window sizes of different vehicle models. The extension and retraction design of the blade can be adjusted for different thicknesses of glue, avoiding the problem of incomplete scraping or scratching the window caused by the fixed length of the blade in traditional tools. The walking wheel rolls in contact with the edge of the window, providing stable guidance for the scraping operation. In cooperation with the stable state of the blade, it is convenient to control the angle and force of the blade, control the thickness deviation of the residual glue, solve the quality problem caused by unstable operation track, and realize efficient operation, precise quality control and adaptation to all vehicle models.

[0018] 2. The glue scraper includes a protective cover located above the blade to block the debris generated when the blade breaks, preventing the debris from splashing and injuring the operator or the vehicle body, thereby improving the safety of the operation. The connection mode of the clamping block and the clamping groove facilitates the installation and removal of the protective cover without affecting the normal operation of the scraping operation.

[0019] The advantages of the additional aspects of the present application will be given in the following description, some of which will become apparent from the following description, or will be understood through practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings. In addition, the size or distance between each other is exaggerated for showing the position of each component, and the schematic diagram is only used for illustration.

[0021] Figure 1 is the overall schematic diagram of the glue scraper provided by the embodiments of the present application; Figure 2 is the schematic diagram of the glue scraper after removing the protective cover provided by the embodiments of the present application; Figure 3 is the schematic diagram of the fixing frame provided by the embodiments of the present application; Figure 4 is the schematic diagram of the clamping assembly provided by the embodiments of the present application; Figure 5 is a schematic view of a support shaft provided by an embodiment of the present application; Figure 6 is a schematic view of a glue scraping knife provided by an embodiment of the present application; In the figure: 1, a fixing frame; 11, a clamping assembly; 111, an upper core rod; 112, an upper sleeve; 113, a lower core rod; 114, a lower sleeve; 12, a fixing plate; 13, a support shaft; 14, a clamping block; 131, a core shaft; 132, a sleeve; 2, a walking wheel; 3, a protective cover; 4, a glue scraping knife; 5, a handle; DETAILED DESCRIPTION It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. Furthermore, it should be understood that the use of the terms "including", "comprising", "having" and "with" herein are meant to be taken in a non-limiting sense.

[0022] Embodiment 1 As shown in Figure 1 , the embodiment provides a car window glue scraper, which comprises a fixing frame 1, a glue scraping knife 4 and a walking wheel 2; as shown in Figure 2 , Figure 3 , the fixing frame 1 comprises a fixing plate 12, a clamping assembly 11 and a support shaft 13, the fixing plate 12 is located on both sides, the clamping assembly 11 and the telescopic rod are both installed on the fixing plate 12 on both sides and are both perpendicular to the fixing plate 12, the support shaft 13 is located at the front end of the clamping assembly 11, and the support shaft 13 and the clamping assembly 11 can both stretch and retract in a direction perpendicular to the fixing plate 12; as shown in Figure 6 , the glue scraping knife 4 comprises a shell and a blade, the shell is clamped and installed in the clamping assembly 11, and the blade is installed in the shell and can stretch and retract in a direction parallel to the fixing plate 12; the walking wheel 2 is rotatably installed on the support shaft 13.

[0023] The glue scraper provides overall rigidity through the fixing frame 1, the fixing plate 12 serves as a mounting basis on both sides, and the vertical stretching and retracting capability of the clamping assembly 11 and the support shaft 13 enables it to adapt to the edges of car windows with different widths and profiles. The blade of the glue scraping knife 4 can stretch and retract parallel to the fixing plate 12, so as to flexibly adjust the scraping depth according to the actual thickness of the glue. The walking wheel 2 rotates on the support shaft 13 to provide rolling support and guidance for the movement of the glue scraper along the car window.

[0024] The glue scraping knife 4 is of an existing structure as shown in Figure 6As shown, the glue thickness can be adjusted to ensure that the glue scraper 4 can effectively remove glue of different thicknesses. The telescopic design of the glue scraper 4 not only improves its applicability, but also enables the operator to perform the glue scraping operation more flexibly, avoiding incomplete scraping or damage to the edge of the window due to inappropriate blade length. The walking wheels 2 can be rubber wheels installed on both sides of the glue scraper 4 and slide along the edge of the window to provide rolling assistance for the glue scraper, making the glue scraping operation smoother.

[0025] By adjusting the telescopic glue scraper 4 and the clamping assembly 11, different glue thicknesses can be scraped, and the rolling guidance of the walking wheels 2 significantly improves the scraping efficiency and safety, which is suitable for different thicknesses of glue and different sizes of windows for high-speed train window glue scraping operation.

[0026] As shown in Figure 5 The walking wheels 2 have two, and the two walking wheels 2 are located on the left and right sides of the glue scraper 4. The front end of the blade is a scraping edge. During scraping, one walking wheel 2 walks along the side of the glass, and the other walking wheel 2 walks along the side of the vehicle body where the glass is installed.

[0027] The two walking wheels 2 respectively adhere to different sides to form bidirectional guidance, which can more accurately position the scraping position of the glue scraper 4 to ensure that the scraping edge always acts on the appropriate area of the sealant. The rolling track of the walking wheels 2 is consistent with the contour of the window edge, and cooperates with the telescopic state of the glue scraper 4 to reduce the position deviation during scraping, further controlling the residual thickness deviation of the glue. Stable double-sided guidance and support enable the glue scraper 4 to maintain balance during scraping, avoiding deflection, thereby improving the straightness of the scraping track and the uniformity of the sealant scraping.

[0028] As shown in Figure 4 The clamping assembly 11 includes an upper telescopic rod and a lower telescopic rod, both ends of the upper telescopic rod and the lower telescopic rod are installed on the fixed plates 12 on both sides, and the shell of the glue scraper 4 is clamped between the upper telescopic rod and the lower telescopic rod.

[0029] The upper telescopic rod and the lower telescopic rod jointly clamp the shell of the glue scraper 4 from top to bottom to stably fix the glue scraper 4 and prevent it from shaking during scraping, solving the problem of poor scraping quality caused by unstable fixation of the blade of the traditional tool. The guidance effect of the walking wheels 2 cooperates to improve the stability and precision of the glue scraping operation.

[0030] Further, the upper telescopic rod includes an upper sleeve 112 in the middle and upper core rods 111 at both ends of the upper sleeve 112. The upper core rods 111 are L-shaped structures, the inner ends of the upper core rods 111 are inserted into the upper sleeve 112 and fastened by screws, and the outer ends of the upper core rods 111 are fixedly installed on the outer side of the fixed plate 12.

[0031] The upper core rod 111 of the L-shaped structure is convenient to connect with the fixing plate 12 and can stably transmit the expansion and contraction force of the telescopic rod; the inner end of the upper core rod 111 is inserted into the upper sleeve 112 and fastened by a screw, so that the length is steplessly adjusted, and the structure is stable after adjustment. This design enables the upper telescopic rod to adapt to different window widths, improves the adaptability of the device to different vehicle models, reduces the tool switching time, and solves the problem of poor universality of the traditional tool.

[0032] The specific adjustment steps are as follows: first, loosen the screw, and the upper core rod 111 can freely slide in the sliding groove of the sleeve, so that stepless adjustment is realized; after adjusting to the required length, tighten the screw, and the screw fixes the core rod and the sleeve together to lock the length.

[0033] Similarly, the lower telescopic rod comprises a lower sleeve 114 in the middle and lower core rods 113 at both ends of the lower sleeve 114, the lower core rod 113 is a flat plate type, the inner end of the lower core rod 113 is inserted into the lower sleeve 114 and fastened by a screw, and the outer end of the lower core rod 113 is installed on the upper core rod 111 by a screw, thereby clamping the glue scraper between the upper telescopic rod and the lower telescopic rod.

[0034] The flat plate type lower core rod 113 cooperates with the L-shaped upper core rod 111 to form a stable structure clamped from top to bottom with the upper telescopic rod, and together forms a stable clamping space for the glue scraper 4 shell, thereby enhancing the overall rigidity.

[0035] The clamping assembly 11 comprises at least two groups, the front clamping assembly 11 clamps the front end of the glue scraper, and the rear clamping assembly 11 clamps the rear end of the glue scraper.

[0036] The multiple clamping assemblies 11 fix the glue scraper from different positions in front and back, can comprehensively limit the position of the glue scraper, and avoid the inclination or shaking of the glue scraper. The multi-point clamping improves the stability and uniformity of force of the glue scraper 4 installation, prevents the long-size glue scraper 4 from being twisted and deformed during operation, and is beneficial to ensure the glue scraping quality. In cooperation with the guiding effect of the walking wheel 2, the overall stable scraping angle of the glue scraper 4 is ensured, and the stability of the operation process is improved.

[0037] As shown in Figure 1 , Figure 3 , the glue scraper further comprises a protective cover 3, the protective cover 3 can be made of transparent material, the upper telescopic rod of the front clamping assembly 11 is provided with a clamping block 14, the top surface of the clamping block 14 is provided with a clamping groove, and the protective cover 3 is clamped on the clamping groove of the clamping block 14.

[0038] The protective cover 3 is located above the blade and can block the fragments generated when the blade is broken, prevent the fragments from splashing and injuring the operator or the vehicle body, and improve the operation safety. The connection mode of the clamping block 14 and the clamping groove is convenient for the installation and disassembly of the protective cover 3, and does not affect the normal operation of the glue scraping operation.

[0039] The glue scraper further comprises a handle 5 mounted on the upper telescopic rod of the rear clamping assembly 11.

[0040] The handle 5 provides a stable gripping point for the operator, facilitating control of the moving direction, angle and speed of the glue scraper, so that the glue scraper can move along the edge of the vehicle window more accurately. The guiding cooperation of the handle 5 and the walking wheel 2 can reduce the trajectory deviation caused by human operation, indirectly improve the glue scraping precision, and solve the problem of high operation difficulty caused by unstable holding of traditional tools.

[0041] As shown in Figure 5 The support shaft 13 comprises a middle sleeve 132 and a mandrel 131 at both ends of the sleeve 132, the inner end of the mandrel 131 is inserted into the sleeve 132 and fastened by a screw, and the outer end of the mandrel 131 is mounted on the inner side of the fixed plate 12, and the walking wheel 2 is mounted on the mandrel 131.

[0042] The telescopic design of the sleeve 132 and the mandrel 131 enables the support shaft 13 to adapt to the width of the edge of different vehicle windows, and the installation of the walking wheel 2 at the outer end of the mandrel 131 ensures that the walking wheel 2 can closely fit the edge of the vehicle window. This structure cooperates with the telescopic feature of the clamping assembly 11, so that when the size is adjusted, the walking wheel 2 can always maintain good rolling guiding effect, ensuring smooth glue scraping operation.

[0043] In summary, the glue scraper comprises a telescopic glue scraper knife 4, a walking wheel 2 guiding mechanism, a segmented clamping assembly 11, a fixed plate 12, a protective cover 3 and a non-slip handle 5, which form a modular structure. The innovative design of thickness adjustment + rolling guidance realizes the adaptation of the glue thickness through the linkage adjustment mechanism of the telescopic glue scraper knife 4 and the segmented clamping assembly 11, and cooperates with the rolling guidance of the walking wheel 2 along the edge of the vehicle window, so that the glue scraping efficiency is improved. In addition, the non-slip handle 5 cooperates with the stepless adjustment function of the clamping assembly 11 to adapt to the vehicle window of CRH series vehicles, solving the quality problem of removing the sealant from the vehicle window of the EMU, and improving the safety and standardization level of the EMU senior repair operation.

[0044] Example 2 The present embodiment provides a glue scraping method of a vehicle window glue scraper as described above, comprising: Adjusting the length of the clamping assembly 11 and the support shaft 13 according to the size of the vehicle window to adapt to the width of the edge of the vehicle window, and making the walking wheel 2 contact with the edge of the vehicle window; Adjusting the blade extension length of the glue scraper knife 4 according to the thickness of the glue; Moving the glue scraper along the edge of the vehicle window, one walking wheel 2 walks along the glass side, and the other walking wheel 2 walks along the vehicle body side where the glass is installed, so that the glue scraper knife 4 scrapes off the excess glue.

[0045] Adjusting the length of the clamping assembly 11 and the support shaft 13 is achieved by its telescopic characteristics to match the size of the window, which lays the foundation for subsequent glue scraping operation; adjusting the length of the blade is to optimize the scraping effect according to the thickness of the glue, avoiding incomplete scraping or damaging the window; the walking wheel 2 walks along the glass and the side of the vehicle body, providing stable guidance for the scraping knife 4 and ensuring the accuracy of the scraping track. By physically avoiding the defects of traditional process, the quality and efficiency problem of removing the sealing glue of the EMU window is systematically solved: 1. High efficiency operation ability: through the linkage adjustment of the telescopic scraping knife 4 and the segmented clamping assembly 11, the self-adaptive scraping of the glue thickness is realized, and the efficiency is improved compared with the traditional process.

[0046] 2. Precise quality control: the rolling guidance of the walking wheel 2 and the cooperation of the blade stable system can control the deviation of the residual thickness of the glue groove.

[0047] 3. Safety guarantee: the combination of the fixed plate 12, the protective cover 3 and the anti-skid handle 5 reduces the risk of blade fracture and completely eliminates the hidden danger of blade splashing injury in more than 90% of traditional operations. 4. Full series vehicle adaptation: the modular structure supports stepless adjustment of the clamping assembly 11 and curve fitting of the walking wheel 2, covering all series of CRH special-shaped windows, and reducing the tool switching time.

[0048] The above describes the specific embodiments of the present application in combination with the drawings, but is not a limitation on the protection scope of the present application. Those skilled in the art should understand that various modifications or variations made by those skilled in the art on the basis of the technical solutions of the present application without creative labor are still within the protection scope of the present application.

Claims

1. A car window sealant scraper, characterized in that, include: Mounting frame, glue scraper, and wheels; The fixing frame includes a fixing plate, a clamping assembly, and a support shaft. The fixing plate is located on both sides. The clamping assembly and the telescopic rod are both mounted on the fixing plates on both sides and are perpendicular to the fixing plate. The support shaft is located at the front end of the clamping assembly. Both the support shaft and the clamping assembly can extend and retract in a direction perpendicular to the fixing plate. The scraper includes a housing and a blade. The housing is clamped and installed in the clamping assembly, and the blade is installed in the housing and can extend and retract in a direction parallel to the fixed plate. The walking wheels are rotatably mounted on the support shaft.

2. The window sealant scraper as described in claim 1, characterized in that, The device has two wheels, which are located on the left and right sides of the adhesive scraper. The front end of the blade is an adhesive scraping edge. When scraping adhesive, one wheel travels along the side of the glass, and the other wheel travels along the side of the vehicle body where the glass is installed.

3. The window sealant scraper as described in claim 1, characterized in that, The clamping assembly includes an upper telescopic rod and a lower telescopic rod, both ends of which are mounted on fixed plates on both sides, and the outer shell of the scraper is clamped between the upper telescopic rod and the lower telescopic rod.

4. The window sealant scraper as described in claim 3, characterized in that, The upper telescopic rod includes an upper housing in the middle and upper core rods located at both ends of the upper housing. The upper core rod has an L-shaped structure. The inner end of the upper core rod is inserted into the upper housing and fastened with screws. The outer end of the upper core rod is fixedly installed on the outside of the fixing plate.

5. The window sealant scraper as described in claim 4, characterized in that, The lower telescopic rod includes a lower housing in the middle and lower core rods located at both ends of the lower housing. The lower core rod is flat. The inner end of the lower core rod is inserted into the lower housing and fastened with screws. The outer end of the lower core rod is installed on the upper core rod with screws, thereby clamping the glue scraper between the upper telescopic rod and the lower telescopic rod.

6. The window sealant scraper as described in claim 3, characterized in that, The clamping assembly includes at least two sets, with the front clamping assembly clamping the front end of the scraper and the rear clamping assembly clamping the rear end of the scraper.

7. The window sealant scraper as described in claim 6, characterized in that, The scraper also includes a protective cover. A locking block is provided on the upper telescopic rod of the front clamping assembly. A locking groove is provided on the top surface of the locking block. The protective cover is locked onto the locking groove of the locking block.

8. The window sealant scraper as described in claim 6, characterized in that, The scraper also includes a handle, which is mounted on the upper telescopic rod of the rear clamping assembly.

9. The window grease scraper as described in claim 1, characterized in that, The support shaft includes a central sleeve and spindles located at both ends of the sleeve. The inner end of the spindle is inserted into the sleeve and fastened with screws. The outer end of the spindle is mounted on the inner side of the fixed plate. The traveling wheel is mounted on the spindle.

10. A method for applying adhesive to a car window squeegee as described in any one of claims 1-9, characterized in that, include: Adjust the length of the clamping assembly and support shaft according to the window size to accommodate the width of the window edge and ensure that the traveling wheel contacts the window edge; Adjust the blade extension length of the scraper according to the thickness of the colloid; Move the squeegee along the edge of the window. One wheel travels along the side of the glass, and the other wheel travels along the side of the vehicle body where the glass is installed, so that the squeegee can scrape off the excess adhesive.

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