Pretreatment device before coating repair

Abstract

The utility model relates to a pretreatment device used before coating repair, which comprises a base, a plurality of pretreatment devices, a plurality of pretreatment devices and a plurality of pretreatment devices, the middle of the base is provided with a through hole, and the damaged part of the coating is arranged in the through hole; the coating removing device is located above the base and connected with the base through an elastic component, so that the coating removing device can move up and down in the direction perpendicular to the base; the coating removing device comprises a sliding part and a milling cutter part, the milling cutter part is detachably connected with the sliding part, the milling cutter part removes the coating of the coating damage part along the movement track of the sliding part, and a coating removing area in a preset shape is formed; and the limiting component is arranged on the coating removing device, and the distance between the milling cutter component and the coating damage part is limited through the limiting component. According to the pretreatment device before coating repair, regular blade coating can be achieved on irregular scratches, a coating removal area in a preset shape is formed, follow-up rapid repair is facilitated, and damage to a base material can be achieved in the coating removal process.

Description

Technical Field

[0001] The utility model belongs to the technical field of coating damage repair, and in particular relates to a pretreatment device before coating repair. Background Art

[0002] Electromagnetic protection coatings are widely used in the field of electromagnetic pollution protection due to their advantages such as simple construction, good electromagnetic shielding / absorption performance, and no shape restrictions. However, due to the coating's own performance or environmental factors, the coating will inevitably be damaged by cracking, falling off, etc. Damage to the coating will cause the electromagnetic protection performance to decline. In order to ensure the stability of the electromagnetic protection performance, the coating damage must be repaired in a timely manner.

[0003] Generally speaking, electromagnetic protection coating damage is irregular in shape. If it is repaired directly, its irregular damage shape will bring certain repair difficulties. In addition, during the electromagnetic protection coating repair process, the damaged coating needs to be removed, but the coating thickness is generally in the mm level. How to achieve non-destructive removal of the substrate is also an urgent problem to be solved. Utility Model Content

[0004] In order to solve the above problems existing in the prior art, the utility model provides a pretreatment device before coating repair. The technical problem to be solved by the utility model is achieved through the following technical solutions:

[0005] The utility model provides a pretreatment device before coating repair, comprising:

[0006] A base, wherein a through hole is provided in the middle of the base, and the damaged portion of the coating is placed in the through hole to locate the position of the damaged portion of the coating;

[0007] A coating removal device, located above the base, the coating removal device and the base are connected via an elastic component so that the coating removal device can move up and down in a direction perpendicular to the base;

[0008] The coating removal device comprises a sliding component and a milling cutter component, wherein the milling cutter component is detachably connected to the sliding component, and the milling cutter component removes the coating of the coating damaged portion along the motion trajectory of the sliding component to form a coating removal area of ​​a preset shape; the sliding component comprises a connected rotary motion component and a radial sliding component, wherein the radial sliding component is detachably connected to the milling cutter component; the milling cutter component realizes radial sliding along the motion trajectory of the radial sliding component, and forms a circular coating removal area on the coating damaged portion with the rotary motion of the rotary motion component;

[0009] A limiting component is arranged on the coating removal device, and the distance between the milling cutter component and the coating damaged portion is limited by the limiting component.

[0010] In one embodiment of the utility model, the rotary motion component includes a flange ring upper cover, a rotating disk and a flange ring lower cover, wherein:

[0011] A first groove is provided on the lower surface of the flange ring upper cover along the circumferential direction, and the first groove is located near the middle through hole of the flange ring upper cover;

[0012] A second groove is provided on the upper surface of the flange ring lower cover along the circumferential direction, and the second groove is located near the middle through hole of the flange ring lower cover;

[0013] The rotating disk is provided with a step structure along the circumferential direction, the flange ring upper cover, the rotating disk and the flange ring lower cover are arranged in sequence from top to bottom, and the step structure of the rotating disk is placed in the rotating groove formed by the first groove and the second groove, so as to realize the rotating disk to perform a rotary motion along the rotating groove;

[0014] The rotating disk is provided with a guide groove along the radial direction, and the radial sliding component is slidably connected with the rotating disk through the guide groove.

[0015] In one embodiment of the present utility model, the radial sliding component includes a slider and a clamping member, wherein:

[0016] The sliding block is in the shape of a hollow cylinder, and a third groove is provided on the outer surface of the hollow cylinder near the bottom;

[0017] The third groove is cooperatively connected with the guide groove to enable the slider to slide along the radial direction of the rotating disk;

[0018] The clamping member is arranged in the hollow part of the hollow cylinder, and the milling cutter component is detachably connected to the clamping member.

[0019] In one embodiment of the present invention, the radial sliding component further comprises a latch pin, which is used to fill the vacant portion on the surface of the turntable after the slider is installed in the guide groove to prevent the slider from falling out.

[0020] In one embodiment of the present invention, the milling cutter component comprises a connected milling cutter and a driving device, wherein the milling cutter is detachably connected to the clamping member, and the driving device drives the milling cutter to rotate to remove the coating.

[0021] In one embodiment of the present invention, the elastic component includes a bolt and a spring, wherein:

[0022] The bolts connect the coating removal device to the base through threaded holes provided on the flange ring upper cover, the flange ring lower cover and the base;

[0023] The spring is sleeved on the bolt guide rod between the coating removal device and the base.

[0024] In an embodiment of the present invention, four threaded holes are arranged along the circumferential direction on the flange ring upper cover, the flange ring lower cover and the base.

[0025] In one embodiment of the utility model, the limiting component includes a limiting bolt, and the limiting bolt is installed in a limiting threaded hole set on the flange ring upper cover and the flange ring lower cover. The distance between the milling cutter component and the coating damaged part is limited by adjusting the distance between the limiting bolt and the base.

[0026] Compared with the prior art, the beneficial effects of the utility model are:

[0027] The pretreatment device before coating repair of the utility model can achieve regular scraping of irregular scratches to form a coating removal area of ​​a preset shape, which is convenient for subsequent rapid repair. Secondly, the set limiting component can accurately control the distance limit between the milling cutter component and the damaged part of the coating, so that the substrate can be non-destructive during the coating removal process.

[0028] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of a pretreatment device before coating repair provided by an embodiment of the utility model;

[0030] Figure 2 This is a schematic structural diagram of a flange ring upper cover provided by an embodiment of the utility model;

[0031] Figure 3 This is a schematic structural diagram of a flange ring lower cover provided by an embodiment of the utility model;

[0032] Figure 4 It is a structural schematic diagram of a turntable provided by an embodiment of the utility model;

[0033] Figure 5 It is a structural schematic diagram of a slider provided by an embodiment of the utility model;

[0034] Figure 6 It is a schematic diagram of the assembly of a sliding component and a limiting component provided by an embodiment of the utility model;

[0035] Figure 7 It is a structural schematic diagram of a base provided by an embodiment of the utility model.

[0036] Icons: 1-base; 11-through hole; 2-limiting component; 3-sliding component; 31-flange ring upper cover; 311-first groove; 32-turntable; 321-step structure; 322-guide groove; 33-flange ring lower cover; 331-second groove; 34-slider; 341-third groove; 35-clamping part; 36-pin; 4-milling cutter component; 5-elastic component; 51-bolt; 52-spring. DETAILED DESCRIPTION

[0037] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the present invention, a pretreatment device before coating repair proposed by the present invention is described in detail below in combination with the accompanying drawings and specific implementation methods.

[0038] The above and other technical contents, features and effects of the utility model are clearly presented in the following detailed description of the specific implementation mode in conjunction with the accompanying drawings. Through the description of the specific implementation mode, the technical means and effects adopted by the utility model to achieve the predetermined purpose can be more deeply and specifically understood. However, the attached drawings are only for reference and explanation, and are not used to limit the technical solution of the utility model.

[0039] In the first aspect, the present invention provides a pretreatment device before coating repair, please refer to Figure 1 , Figure 1 It is a structural schematic diagram of a pretreatment device before coating repair provided by an embodiment of the utility model.

[0040] like Figure 1 As shown, the pretreatment device before coating repair of this embodiment includes: a base 1, a coating removal device and a limiting component 2, wherein the structural schematic diagram of the base is as shown Figure 7 As shown, a through hole 11 is provided in the middle of the base 1 to place the coating damage portion in the through hole 11 to locate the coating damage portion. The coating removal device is located above the base 1, and the coating removal device is connected to the base 1 through an elastic component 5 so that the coating removal device can move up and down in a direction perpendicular to the base 1.

[0041] The coating removal device includes a sliding component 3 and a milling cutter component 4. The milling cutter component 4 is detachably connected to the sliding component 3. The milling cutter component 4 removes the coating of the coating damaged part along the motion trajectory of the sliding component 3 to form a coating removal area of ​​a preset shape. The limiting component 2 is arranged on the coating removal device, and the distance between the milling cutter component 4 and the coating damaged part is limited by the limiting component 2.

[0042] The pretreatment device before coating repair of this embodiment can achieve regular scraping of irregular scratches through the provided sliding parts and milling cutter parts, forming a coating removal area of ​​a preset shape, which is convenient for subsequent rapid repairs.

[0043] In an optional embodiment, the sliding component 3 includes a connected rotary motion component and a radial sliding component. The radial sliding component is detachably connected to the milling cutter component 4; the milling cutter component 4 radially slides along the motion trajectory of the radial sliding component, and forms a circular coating removal area at the coating damage portion as the rotary motion component rotates.

[0044] Optionally, the rotary motion component includes a flange ring upper cover 31 , a rotating disk 32 and a flange ring lower cover 33 .

[0045] Please refer to Figure 2 , Figure 2 Schematic diagram of the structure of a flange ring cover provided by an embodiment of the utility model. Figure 2 As shown, a first groove 311 is provided on the lower surface of the flange ring upper cover 31 along the circumferential direction, and the first groove 311 is located near the middle through hole of the flange ring upper cover 31 .

[0046] Please refer to Figure 3 , Figure 3 : is a schematic diagram of the structure of a flange ring lower cover provided by an embodiment of the utility model, such as Figure 3 As shown, a second groove 331 is provided on the upper surface of the flange ring lower cover 33 along the circumferential direction, and the second groove 331 is located near the middle through hole of the flange ring lower cover 33 .

[0047] Please refer to Figure 4 , Figure 4 Schematic diagram of the structure of a turntable provided by an embodiment of the utility model, such as Figure 4 As shown, the turntable 32 is provided with a step structure 321 along the circumferential direction, and the flange ring upper cover 31, the turntable 32 and the flange ring lower cover 33 are arranged in sequence from top to bottom. The step structure 321 of the turntable 32 is placed in the rotating groove formed by the first groove 311 and the second groove 331 to realize the turntable 32 to rotate along the rotating groove. At the same time, the step structure 321 can realize the radial positioning of the turntable 32.

[0048] Please continue to see Figure 4 The turntable 32 is provided with a guide groove 322 along the radial direction, and the radial sliding component is slidably connected to the turntable 32 through the guide groove 322 .

[0049] Optionally, the radial sliding component includes a sliding block 34 and a clamping member 35 .

[0050] Please refer to Figure 5 , Figure 5 : is a structural schematic diagram of a slider provided by an embodiment of the utility model, such as Figure 5 As shown, the slider 34 is a hollow cylinder, and a third groove 341 is provided at a position near the bottom of the outer surface of the hollow cylinder; the third groove 341 is matched and connected with the guide groove 322 to enable the slider 34 to slide along the radial direction of the rotating disk 32. The clamping member 35 is provided in the hollow part of the slider 34, and the milling cutter component 4 is detachably connected to the clamping member 35.

[0051] Optionally, threaded holes may be provided on the cylindrical surface of the slider 34 for installing set screws to achieve circumferential positioning with the clamping member 35 .

[0052] Optionally, the clamping member 35 may be a clamping sleeve, the curve of which matches the contour of the milling cutter, and is used to clamp the milling cutter so that the milling cutter is fixed on the device.

[0053] In this embodiment, the coating is milled by the rotary motion of the rotary disk 32 and the linear motion of the slider 34 mounted thereon to form a circular coating removal area.

[0054] Optionally, the radial sliding component further includes a latch 36, which is used to fill the vacant portion on the surface of the turntable 32 after the slider 34 is inserted into the guide groove 322, so as to prevent the slider 34 from falling out. Figure 6 , Figure 6 : is a schematic diagram of an assembly of a sliding component and a limiting component provided by an embodiment of the utility model, such as Figure 6 As shown, the latch 36 is in a crescent shape, and a protrusion is provided on the upper surface of the latch 36 to facilitate the operator to take it.

[0055] In an optional embodiment, the milling cutter component 4 includes a connected milling cutter and a driving device, wherein the milling cutter is detachably connected to the clamping member 35, and the driving device drives the milling cutter to rotate to remove the coating. Optionally, the driving device can be a driving motor, and the milling cutter is fixed to the driving motor.

[0056] It should be noted that grinding heads and grinding discs of different shapes and materials can be selected according to the coating material design, and there is no limitation here.

[0057] Please continue to see Figure 1In an optional embodiment, the elastic component 5 includes a bolt 51 and a spring 52. The bolt 51 connects the coating removal device to the base 1 through the threaded holes provided on the flange ring upper cover 31, the flange ring lower cover 33 and the base 1; the spring 52 is sleeved on the bolt guide rod between the coating removal device and the base 1.

[0058] Optionally, four threaded holes are arranged along the circumferential direction on the flange ring upper cover 31 , the flange ring lower cover 33 and the base 1 .

[0059] In an optional embodiment, the limiting component 2 includes a limiting bolt, which is installed in a limiting threaded hole provided on the flange ring upper cover 31 and the flange ring lower cover 33, and the distance between the milling cutter component 4 and the coating damaged part is limited by adjusting the distance between the limiting bolt and the base 1. Figure 6 shown.

[0060] The pretreatment device before coating repair of this embodiment can accurately control the distance limit between the milling cutter component and the damaged part of the coating by using the set limiting component, so that the substrate can be left intact during the coating removal process.

[0061] Further, the assembly and working process of the pretreatment device before coating repair of this embodiment are explained. First, the milling cutter is fixed on the driving motor, the slider 34 is installed in the guide groove 322 of the turntable 32, the pin 36 is installed in the vacant part of the surface of the turntable 32, and the milling cutter component 4 is connected to the clamp 35. Then, the distance between the limiting component 2 and the base 1 is adjusted according to the thickness of the coating, so that the milling cutter can just extend 1mm, that is, the coating thickness. Then, the coating damage part is placed at the center of the through hole 11 of the base 1, and the left hand applies pressure to fix the pretreatment device, and the driving motor is turned on to start destroying the damaged plane. The range of motion of the milling cutter is controlled by the slider 34 limit, so that the milling cutter can sweep a long radius area along the guide groove 322 under the drive of the slider 34. At the same time, the turntable 32 performs a circular rotation motion, so that the milling cutter forms a circular coating removal area on the coating damage part as the turntable 32 rotates back and forth.

[0062] It should be noted that, in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the term "include", "comprise" or any other variant is intended to cover non-exclusive inclusion, so that the article or device including a series of elements includes not only those elements, but also other elements that are not explicitly listed. In the absence of more restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the article or device including the elements. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The orientation or position relationship indicated by "up", "down", "left", "right", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the utility model.

[0063] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A pretreatment device before coating repair, characterized in that: include: A base, wherein a through hole is provided in the middle of the base, and the damaged portion of the coating is placed in the through hole to locate the position of the damaged portion of the coating; A coating removal device, located above the base, the coating removal device and the base are connected via an elastic component so that the coating removal device can move up and down in a direction perpendicular to the base; The coating removal device comprises a sliding component and a milling cutter component, wherein the milling cutter component is detachably connected to the sliding component, and the milling cutter component removes the coating of the coating damaged portion along the motion trajectory of the sliding component to form a coating removal area of ​​a preset shape; the sliding component comprises a connected rotary motion component and a radial sliding component, wherein the radial sliding component is detachably connected to the milling cutter component; the milling cutter component realizes radial sliding along the motion trajectory of the radial sliding component, and forms a circular coating removal area on the coating damaged portion with the rotary motion of the rotary motion component; A limiting component is arranged on the coating removal device, and the distance between the milling cutter component and the coating damaged portion is limited by the limiting component.

2. The pretreatment device before coating repair according to claim 1, characterized in that: The rotary motion component includes a flange ring upper cover, a rotating disk and a flange ring lower cover, wherein: A first groove is provided on the lower surface of the flange ring upper cover along the circumferential direction, and the first groove is located near the middle through hole of the flange ring upper cover; A second groove is provided on the upper surface of the flange ring lower cover along the circumferential direction, and the second groove is located near the middle through hole of the flange ring lower cover; The rotating disk is provided with a step structure along the circumferential direction, the flange ring upper cover, the rotating disk and the flange ring lower cover are arranged in sequence from top to bottom, and the step structure of the rotating disk is placed in the rotating groove formed by the first groove and the second groove, so as to realize the rotating disk to perform a rotary motion along the rotating groove; The rotating disk is provided with a guide groove along the radial direction, and the radial sliding component is slidably connected with the rotating disk through the guide groove.

3. The pretreatment device before coating repair according to claim 2, characterized in that: The radial sliding component includes a slider and a clamping member, wherein: The sliding block is in the shape of a hollow cylinder, and a third groove is provided on the outer surface of the hollow cylinder near the bottom; The third groove is cooperatively connected with the guide groove to enable the slider to slide along the radial direction of the rotating disk; The clamping piece is arranged in the hollow part of the sliding block, and the milling cutter component is detachably connected to the clamping piece.

4. The pretreatment device before coating repair according to claim 3 is characterized in that: The radial sliding component also includes a latch pin, which is used to fill the vacant portion on the surface of the turntable after the slider is installed in the guide groove to prevent the slider from falling out.

5. The pretreatment device before coating repair according to claim 3, characterized in that: The milling cutter component comprises a connected milling cutter and a driving device, wherein the milling cutter is detachably connected to the clamping member, and the driving device drives the milling cutter to rotate to remove the coating.

6. The pretreatment device before coating repair according to claim 2, characterized in that: The elastic component includes a bolt and a spring, wherein: The bolts connect the coating removal device to the base through threaded holes provided on the flange ring upper cover, the flange ring lower cover and the base; The spring is sleeved on the bolt guide rod between the coating removal device and the base.

7. The pretreatment device before coating repair according to claim 6, characterized in that: The flange ring upper cover, the flange ring lower cover and the base are all provided with four threaded holes along the circumferential direction.

8. The pretreatment device before coating repair according to claim 2, characterized in that: The limiting component includes a limiting bolt, which is installed in a limiting threaded hole provided on the flange ring upper cover and the flange ring lower cover. The distance between the milling cutter component and the coating damaged part is limited by adjusting the distance between the limiting bolt and the base.

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