Spraying auxiliary tool and spraying method for connecting corners of sealing strips

Abstract

The invention relates to the technical field of sealing strip manufacturing, and provides an auxiliary spraying tool and method for a sealing strip connecting corner. The auxiliary spraying tool comprises a hanging frame and an opening device rotationally arranged on the hanging frame; a first profiling piece is arranged on the hanging frame, a second profiling piece is arranged on the opening device, and the first profiling piece and the second profiling piece are used for being inserted into the containing grooves in the two clamping parts on the connecting corner of the sealing strip correspondingly; when the opening device is driven by external force, the second profiling piece can rotate relative to the first profiling piece and drive one clamping part to be turned over and opened relative to the other clamping part, so that the non-appearance surface between the two clamping parts is exposed. According to the spraying auxiliary tool for the sealing strip connecting corner, the non-appearance face of the sealing strip connecting corner can be exposed, online automatic spraying of the appearance face and the non-appearance face of the sealing strip connecting corner can be achieved easily, and therefore the production takt and the product quality can be improved easily.

Description

Technical Field

[0001] The present invention relates to the technical field of sealing strip manufacturing, and in particular to a spraying auxiliary tooling for sealing strip corner joints. The present invention also relates to a spraying method for spraying the sealing strip corner joints using the spraying auxiliary tooling. Background Art

[0002] In the prior art, the structure of the frameless sealing strip is a strip-shaped sealing strip body and a sealing strip corner connected to the end of the sealing strip body, wherein the sealing strip corner has two clamping parts for clamping the glass, and the surface between the two clamping parts constitutes a non-appearance surface relative to the other surfaces (i.e., appearance surfaces) of the sealing strip corner. When spraying the frameless sealing strip, there are two spraying modes for spraying the sealing strip corner, one is a full manual spraying mode, and the other is a semi-automatic spraying mode. Among them, the full manual spraying mode means that both the appearance surface and the non-appearance surface of the frameless sealing strip product are sprayed manually. The semi-automatic spraying mode means that the non-appearance surface of the frameless sealing strip product is sprayed manually, and the appearance surface is sprayed by a robot.

[0003] When the full manual spraying mode is used, the manufacturing cost is relatively low, but the uniformity of the sprayed particles and the consistency of the film thickness on the product surface cannot be guaranteed, resulting in relatively poor quality. When the semi-automatic spraying mode is used, two operation processes are required, involving two bakings, low production efficiency, long cycle time, relatively high manufacturing cost, and during the turnover process, frameless sealing strip products are prone to scratches, deformation and other quality problems. Summary of the invention

[0004] In view of this, the present invention aims to provide a spraying auxiliary tool for the sealing strip corner, so as to facilitate the automatic spraying of the appearance surface and the non-appearance surface on the sealing strip corner.

[0005] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0006] A spraying auxiliary tool for sealing strip corner joints, comprising a hanger and an opening device rotatably arranged on the hanger;

[0007] The hanger is provided with a first profiling member, and the opening device is provided with a second profiling member, and the first profiling member and the second profiling member are respectively used to be inserted into the receiving grooves in the two clamping parts on the corner of the sealing strip;

[0008] When the opening device is driven by external force, the second profiling member can rotate relative to the first profiling member and drive one of the clamping parts to flip and open relative to the other clamping part, so that the non-exterior surface between the two clamping parts is exposed.

[0009] Furthermore, the opening device includes an active rod and a driven rod which are connected in transmission, and the second profiling member is located on the driven rod; the active rod is driven by the external force, so that the driven rod can drive the second profiling member to rotate.

[0010] Furthermore, a reset member is provided between the opening device and the bracket; the opening device rotates relative to the bracket, so that the reset member can store energy; and the drive to the opening device is removed, so that the reset member releases energy, so that the opening device can be reset.

[0011] Furthermore, a mounting frame is provided on one side of the hanger, and a first driving device is provided on the mounting frame, and the first driving device is used to output the external force.

[0012] Furthermore, the position of the first driving device in the height direction of the mounting frame is adjustable.

[0013] Furthermore, the mounting frame is provided with a second driving device and a support plate connected to the second driving device; the support plate is driven by the second driving device and can move along the height direction of the mounting frame; the first driving device is arranged on the support plate.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] The spraying auxiliary tooling for the sealing strip corner described in the present invention enables the first profiling member and the second profiling member to be respectively inserted into the accommodating grooves in the two clamping parts on the sealing strip corner through the first profiling member arranged on the hanging bracket and the second profiling member arranged on the opening device. In this way, when the second profiling member rotates relative to the first profiling member, it can drive one of the two clamping parts to flip relative to the other clamping part, so that the non-appearance surface between the two clamping parts is exposed. At this time, when the non-appearance surface is exposed, it is beneficial to realize the online automatic spraying of the appearance surface and the non-appearance surface on the sealing strip corner, thereby facilitating the improvement of production rhythm and product quality, and having a good use effect.

[0016] In addition, the opening device includes a driven rod and an active rod, so that the second profiling member is located on the driven rod, and the active rod receives external force, so that the driven rod drives the second profiling member to rotate, which makes the structure simpler, the cost is lower, and it is convenient to drive the second profiling member to rotate. The reset member arranged between the opening device and the hanger enables the reset member to store energy when the opening device rotates relative to the hanger, and when the driving of the opening device is removed, the reset member releases energy, and the elastic force of the reset member drives the opening device to reset. At this time, the reset member can be used to reset the second profiling member after rotation, so that after the sealing strip joint is sprayed, it is convenient to disassemble the sealing strip joint.

[0017] Secondly, the mounting frame arranged on one side of the bracket can provide an installation basis for the first driving device, and the first driving device is used to drive the opening device to rotate relative to the bracket, so that the second contour part rotates, which is beneficial to improve the automation degree of the spray auxiliary tooling. At the same time, the first driving device is arranged on one side of the bracket, which is beneficial to save the number of driving devices. By cooperating with the first driving device one by one through multiple brackets, the non-exterior surface of the sealing strip corner can be opened, which is also conducive to the smooth progress of the assembly line operation of the sealing strip corner spraying.

[0018] In addition, the first driving device is arranged to be positionally adjustable in the height direction of the mounting frame, so that it can be well matched with the opening devices on the racks at different heights, which is conducive to improving the versatility of the spray auxiliary tooling. A support plate for carrying the first driving device is arranged on the mounting frame, and a second driving device is driven to move the support plate along the height direction of the mounting frame, so that the second driving device drives the support plate to move along the height direction of the mounting frame, so that the position adjustment of the first driving device in the height direction of the mounting frame can be realized. This structure is simple and compact, and is easy to design and implement.

[0019] Another object of the present invention is to provide a method for spraying a sealing strip corner, the method comprising:

[0020] Insert the first profiling member on the hanger and the second profiling member on the opening device into the receiving grooves in the two clamping parts on the corner of the sealing strip respectively;

[0021] The driving opening device drives the second profiling member to rotate relative to the first profiling member, so that the non-appearance surface of the sealing strip corner located between the two clamping parts is exposed;

[0022] The exterior surface of the sealing strip corner and the exposed non-exterior surface are sprayed.

[0023] Furthermore, before spraying the exterior surface and the exposed non-exterior surface, the spraying method further includes: preheating the sealing strip joint.

[0024] Furthermore, spraying the exterior surface of the sealing strip corner and the exposed non-exterior surface includes: spraying primer on the exterior surface of the sealing strip corner and the exposed non-exterior surface; and spraying topcoat on the primer after the primer on the exterior surface and the non-exterior surface is dry.

[0025] Furthermore, before spraying the topcoat on the primer, the spraying method includes heating and curing the sealing strip joints sprayed with the primer; and / or, after spraying the topcoat, the spraying method includes heating and baking the sealing strip joints.

[0026] Compared with the prior art, the present invention has the following advantages:

[0027] The spraying method for the sealing strip corners described in the present invention, by utilizing the above-mentioned spraying auxiliary tooling for the sealing strip corners, can reduce the spraying steps and the operating procedures compared to the manual spraying or semi-automatic spraying method used in the prior art, and is conducive to the online automatic spraying of the appearance surface and non-appearance surface of the sealing strip corners, and can ensure the uniformity of the spraying, thereby improving the production cycle and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0029] Figure 1 This is a schematic structural diagram of a sealing strip corner according to an embodiment of the present invention;

[0030] Figure 2 It is a structural schematic diagram of the spraying auxiliary tooling for the sealing strip corner according to an embodiment of the present invention;

[0031] Figure 3 It is a structural schematic diagram of the coordination state of the hanger and the opening device according to an embodiment of the present invention;

[0032] Figure 4 A schematic diagram of the structure of the first profiling member and the second profiling member according to an embodiment of the present invention cooperating with each other;

[0033] Figure 5 It is a flow chart of the method for spraying the sealing strip corner according to an embodiment of the present invention;

[0034] Description of reference numerals:

[0035] 1. Hanging rack; 2. Opening device; 3. Sealing strip corner; 4. Mounting rack; 5. First driving device; 6. Second driving device;

[0036] 11. first mounting seat; 12. first profiling member; 13. hanging part; 111. mounting hole; 22. driven rod; 21. active rod; 211. load-bearing part; 212. fixing hole; 221. second profiling member; 41. supporting plate; 51. pushing plate;

[0037] 1000, sealing strip corner; 100, receiving groove; 100a, appearance surface; 100b, non-appearance surface; 10a, first clamping part; 20a, second clamping part; 10, first part; 20, second part; 30, third part. DETAILED DESCRIPTION

[0038] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0039] In the description of the present invention, it should be noted that if there are terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc., they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 limiting the present invention. In addition, if there are terms such as "first", "second", etc., they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0040] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installed", "connected", "connection" and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0041] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0042] Embodiment 1

[0043] The present embodiment relates to a spraying auxiliary tooling for a sealing strip corner joint, which is beneficial to the automatic spraying of the appearance surface and the non-appearance surface of the sealing strip corner joint, and is beneficial to improving the production cycle and product quality.

[0044] It should be noted that the spraying auxiliary tooling for the sealing strip corner of this embodiment is described by taking the application to a frameless sealing strip as an example. The frameless sealing strip has a strip-shaped sealing strip body and a sealing strip corner connected to the end of the sealing strip body. Figure 1 As shown, the sealing strip corner 3 has two clamping parts for clamping the glass, namely the first clamping part 10a and the second clamping part 20a, and the first clamping part 10a and the second clamping part 20a are respectively located on both sides of the glass. The surface between the two clamping parts constitutes a non-appearance surface 100b relative to the other surfaces of the sealing strip corner 3 (i.e., the appearance surface 100a). Of course, it can be understood that the spray auxiliary tooling of the sealing strip corner of this embodiment can also be applied to other types of sealing strips as long as they can meet the above structure.

[0045] In the prior art, when spraying the sealing strip corner 3 on the frameless sealing strip, a full manual spraying mode or a semi-automatic spraying mode is usually adopted. Among them, the full manual spraying mode means that both the appearance surface 100a and the non-appearance surface 100b of the frameless sealing strip product are sprayed manually. The semi-automatic spraying mode means that the non-appearance surface 100b of the frameless sealing strip product is sprayed manually, and the appearance surface 100a is sprayed by a robot.

[0046] However, the full manual spraying mode has a relatively low manufacturing cost, but the uniformity of the sprayed particles and the consistency of the film thickness on the product surface cannot be guaranteed, resulting in relatively poor quality. When the semi-automatic spraying mode is used, two operation processes are required, involving two bakings, low production efficiency, long cycle time, relatively high manufacturing cost, and during the turnover process, frameless sealing strip products are prone to scratches, deformation and other quality problems.

[0047] Therefore, this embodiment aims at the shortcomings of the prior art in the spraying of the sealing strip corners, and proposes a spraying auxiliary tooling for the sealing strip corners, and in terms of the overall structure, such as Figures 2 to 4 As shown, the spraying auxiliary tooling for the sealing strip corner of this embodiment includes a hanger 1 and an opening device 2 rotatably arranged on the hanger 1.

[0048] The rack 1 is provided with a first profiling member 12, and the opening device 2 is provided with a second profiling member 221. The first profiling member 12 and the second profiling member 221 are respectively used to be inserted into the receiving grooves 100 in the two clamping parts on the sealing strip corner 3. The opening device 2 is driven by an external force to rotate relative to the rack 1, and the second profiling member 221 rotates relative to the first profiling member 12, driving one of the two clamping parts to flip relative to the other clamping part, so as to open the non-appearance surface 100b between the two clamping parts, so that the non-appearance surface 100b is exposed.

[0049] At this time, as in the above structure, by using the first profiling member 12 arranged on the hanger 1 and the second profiling member 221 arranged on the opening device 2, the first profiling member 12 and the second profiling member 221 can be respectively inserted into the accommodating grooves 100 in the two clamping parts on the sealing strip corner 3.

[0050] In this way, when the opening device 2 is driven by an external force to rotate relative to the hanger 1, the second profiling member 221 rotates relative to the first profiling member 12, and drives one of the clamping parts to flip relative to the other clamping part, thereby exposing the non-appearance surface 100b between the two clamping parts. At this time, when the non-appearance surface 100b is exposed, it is beneficial to realize the online automatic spraying of the appearance surface and the non-appearance surface 100b on the sealing strip corner 3, thereby helping to improve the production rhythm and product quality.

[0051] It should be noted that the aforementioned receiving groove 100 is an existing structure of the sealing strip corner 3, and the receiving groove 100 is used to cooperate with the body sheet metal to fix the sealing strip corner 3 on the body. At this time, the first profiling member 12 and the second profiling member 221 cooperate with the structure of the sealing strip corner 3 to expose the non-exterior surface 100b, which also makes the spray auxiliary tooling of this embodiment have the advantages of relatively simple structure and ingenious design.

[0052] For more details, see Figures 2 to 4 , and combined with Figure 1 As shown, in this embodiment, the receiving groove 100 formed inside the sealing strip corner 3 has a first portion 10 located in the first clamping portion 10a, a second portion 20 located in the second clamping portion 20a, and a third portion 30 located in the corner body.

[0053] In this embodiment, the first profiling member 12 provided on the hanger 1 preferably adopts a plate structure, which can at least be installed in the first part 10 of the receiving groove 100 by interference, so as to fix the sealing strip corner 3. Of course, as a further preferred embodiment, the first profiling member 12 can be installed in the first part 10 and the third part 30 of the receiving groove 100 by interference, so as to further improve the reliability of fixing the sealing strip corner 3.

[0054] The second profiling member 221 provided on the opening device 2 can be interference-fitted in the second portion 20 of the accommodating groove 100, and the second profiling member 221 preferably adopts a block structure, so that the second profiling member 221 can better match the shape of the second portion 20 and has no relative rotation with the second clamping portion 20a.

[0055] At this time, when the second profiling member 221 rotates relative to the first profiling member 12, the second clamping portion 20a is flipped open relative to the first clamping portion 10a, thereby exposing the non-exterior surface 100b between the first clamping portion 10a and the second clamping portion 20a.

[0056] See also Figure 2 and Figure 3 As shown, in this embodiment, the hanger 1 has a first mounting seat 11 for mounting a first profiling member 12, and the first mounting seat 11 is provided with a mounting hole 111, and the first profiling member 12 is screwed into the mounting hole 111, for example, by a threaded connector, thereby achieving the fixed arrangement of the first profiling member 12 on the hanger 1. In addition, a second mounting seat (not shown in the figure) is provided on the hanger 1, and the second mounting seat is located below the first mounting seat 11, and the opening device 2 is rotatably arranged on the second mounting seat. In addition, the hanger 1 is also provided with a hanging portion 13 for hanging on the conveyor line equipment. At this time, the arrangement of the hanging portion 13 is conducive to enabling the hanger 1 to move on the conveyor line.

[0057] It is worth noting that the hanger 1 of this embodiment is preferably formed by welding of rectangular tubes or square tubes, and the first profiling member 12 is preferably made of sheet metal, which has a simple structure, is easy to design and implement, and has a low cost.

[0058] Continue to view Figure 2 and Figure 3 As shown, the opening device 2 of this embodiment includes a driven rod 22 and an active rod 21 which are connected in transmission, and a second profiling member 221 is located on the driven rod 22. The active rod 21 receives external force, so that the driven rod 22 can drive the second profiling member 221 to rotate. Such an arrangement makes the structure of the opening device 2 simpler, the cost is lower, and it is convenient to drive the second profiling member 221 to rotate.

[0059] In terms of specific structure, as a preferred implementation form, the active rod 21 and the driven rod 22 are arranged to intersect, and the active rod 21 and the driven rod 22 are fixedly connected. A load-bearing portion 211 is provided at one end of the active rod 21, and the load-bearing portion 211 is used to bear external force. The load-bearing portion 211 preferably adopts a fixed shaft fixed to one end of the active rod 21. The driven rod 22 is vertically arranged on the second mounting seat and can rotate relative to the second mounting seat. In specific implementation, for example, a bearing is arranged between the second mounting seat and the end of the driven rod 22, and the axial direction of the bearing is consistent with the axial direction of the driven rod 22. At this time, the driven rod 22 is rotated relative to the second mounting seat by using the arranged bearing.

[0060] It is understandable that, in addition to providing a bearing between the second mounting seat and the end of the driven rod 22, other structures in the prior art may also be adopted to enable the driven rod 22 to be rotatably arranged relative to the second mounting seat.

[0061] As a preferred implementation, in this embodiment, a reset member is provided between the opening device 2 and the bracket 1. The opening device 2 rotates relative to the bracket, so that the reset member can store energy, and the drive to the opening device 2 is removed, and the reset member releases energy, so that the opening device 2 can be reset. At this time, the reset member can be used to reset the second contour member 221 after rotation, thereby facilitating the disassembly of the sealing strip corner 3 after the sealing strip corner 3 is sprayed.

[0062] Specifically, in this embodiment, a reset member is provided between the active rod 21 and the bracket 1. When the active rod 21 is driven, it can drive the driven rod 22 to rotate, and the reset member can store energy. When the drive to the active rod 21 is removed, the reset member releases energy, and the elastic force of the reset member drives the active rod 21 to drive the driven rod 22 to reset. In the specific implementation, the reset member is, for example, installed on the end of the active rod 21 away from the load-bearing part 211 and the second mounting seat, and the reset member is preferably a spring, that is, one end of the spring is installed in the fixing hole 212 on the active rod 21, and the other end is installed on the second mounting seat. At this time, the active rod 21 rotates under the external force, and the reset member stores energy. When the external force is removed, the reset member releases energy, and the active rod is reset under the elastic force of the reset member. Its structure is simple and easy to design and arrange.

[0063] It is worth noting that, in addition to providing a reset member between the active rod 21 and the bracket 1 , a reset member may also be provided between the driven rod 22 and the bracket 1 , so that the reset of the opening device 2 after rotation can also be achieved.

[0064] As a preferred implementation method, Figure 1 As shown, in this example, a mounting frame 4 is provided on one side of the hanger 1, and a first driving device 5 is provided on the mounting frame 4, and the first driving device 5 is used to output the above-mentioned external force. Among them, the mounting frame 4 can provide a mounting base for the first driving device 5, and the first driving device 5 is used to drive the opening device 2 to rotate relative to the hanger 1, so that the second contour member 221 rotates, which is conducive to improving the automation degree of the spray auxiliary tooling. At the same time, the first driving device 5 is set on one side of the hanger 1, which is conducive to saving the number of driving devices set. Through multiple hangers 1 one by one and in turn with the first driving device 5, the non-exterior surface 100b of the sealing strip corner 3 is opened, which is also conducive to the smooth flow operation of the spraying of the sealing strip corner 3.

[0065] As a further preferred embodiment, in this embodiment, the first driving device 5 is adjustable in the height direction of the mounting frame 4. This can better match the opening device 2 on the rack 1 at different heights, which is conducive to improving the versatility of the spray auxiliary tooling.

[0066] In order to achieve the position adjustment of the first driving device 5 in the height direction of the mounting frame 4, in this embodiment, a second driving device 6 and a support plate 41 connected to the second driving device 6 are provided on the mounting frame 4. The support plate is driven by the second driving device 6 and can move in the height direction of the mounting frame 4. The first driving device 5 is specifically provided on the support plate 41. At this time, the second driving device 6 drives the support plate 41 to move in the height direction of the mounting frame 4, so that the position adjustment of the first driving device 5 in the height direction of the mounting frame 4 can be achieved. This structure is simple and compact, and is easy to design and implement.

[0067] Moreover, in a specific implementation, the first driving device 5 and the second driving device 6 preferably adopt cylinders, and a push plate 51 is fixed at the power output end of the first driving device 5, and the push plate 51 is used to push the load-bearing part 211.

[0068] In the specific use of the spray auxiliary tooling of this embodiment, the first driving device 5 drives the push plate 51 to move close to the opening device 2, abuts against and pushes the load-bearing part 211, so that the active rod 21 and the driven rod 22 rotate together. At this time, the driven rod 22 drives the second contour member 221 to rotate, and drives the second clamping part 20a to flip relative to the first clamping part 10a, thereby exposing the non-appearance surface 100b between the two clamping parts. At this time, when the non-appearance surface 100b is exposed, the appearance surface and the non-appearance surface 100b on the sealing strip corner 3 are automatically sprayed online by the robot.

[0069] The spraying auxiliary tooling of the sealing strip corner of the present embodiment can expose the non-exterior surface 100b of the sealing strip corner 3, and can facilitate the online automatic spraying of the exterior surface and the non-exterior surface 100b of the sealing strip corner 3, thereby facilitating the improvement of production rhythm and product quality.

[0070] Embodiment 2

[0071] This embodiment relates to a method for spraying a sealing strip corner, and the spraying method is implemented based on the spraying auxiliary tooling for the sealing strip corner of the first embodiment, such as Figure 5 As shown, the spraying method comprises the following steps:

[0072] Step S1, inserting the first profiling member 12 on the hanger 1 and the second profiling member 221 on the opening device 2 into the receiving grooves 100 in the two clamping parts on the sealing strip corner 3 respectively.

[0073] In this step, when it is implemented, the accommodating grooves 100 in the two clamping parts on the sealing strip corner 3 are aligned with the first profiling member 12 and the second profiling member 221, and the sealing strip corner 3 is manually pressed so that the sealing strip corner 3 is interference fit on the first profiling member 12 and the second profiling member 221, that is, the first profiling member 12 and the second profiling member 221 are interference fit in the accommodating grooves 100 in the two clamping parts on the sealing strip corner 3, thereby fixing the sealing strip corner 3 on the hanger 1 and the opening device 2.

[0074] It should be noted that before performing this step, the surface of the sealing strip corner 3 needs to be cleaned. In specific implementation, an air gun can be used to clean the surface of the sealing strip corner 3 to remove dust and impurities on the product surface. Then use alcohol to wipe the spraying surface to remove oil stains and small attachments on the surface to be sprayed. It is worth mentioning that for a frameless sealing strip having a sealing strip body and a sealing strip corner 3, the entire frameless sealing strip needs to be surface cleaned.

[0075] Step S2, driving the opening device 2 to drive the second profiling member 221 to rotate relative to the first profiling member 12, so that the non-exterior surface 100b between the two clamping parts on the sealing strip corner 3 is exposed.

[0076] In this step, the opening device 2 is driven by an external force and rotates relative to the bracket 1. At this time, the opening device 2 drives the second profiling member 221 to rotate relative to the first profiling member 12, and the second clamping portion 20a on the sealing strip corner 3 is opened relative to the first clamping portion 10a, so that the non-exterior surface 100b located between the first clamping portion 10a and the second clamping portion 20a is exposed.

[0077] When implementing it, Figure 1 As shown, the power output end of the first driving device 5 abuts against and pushes the active rod 21, so that the active rod 21 rotates around the axis of the driven rod 22 and drives the driven rod 22 to rotate. At this time, the second contour piece 221 fixed at the end of the driven rod 22 drives the corresponding clamping part to flip, thereby exposing the non-exterior surface 100b between the two clamping parts.

[0078] Step S3, spraying the exterior surface 100a of the sealing strip corner 3 and the exposed non-exterior surface 100b.

[0079] In this step, when spraying the exterior surface 100a and the non-exterior surface 100b of the sealing strip corner 3, a robot can be used for the spraying operation, which is conducive to ensuring uniform spraying such as spray film thickness and particle size, and can reduce manual labor intensity and save labor costs, thereby improving product quality and increasing production rhythm.

[0080] In addition, before spraying the exterior surface 100a and the exposed non-exterior surface 100b, the spraying method further includes: preheating the sealing strip corner 3. In specific implementation, the preheating of the sealing strip corner 3 can be performed in a heating furnace, wherein the heating furnace has circulating hot air, the preheating temperature is 70°C-120°C, and the preheating time is 5min-10min.

[0081] In this embodiment, as a preferred implementation, the above step S3 includes:

[0082] Step S31, spraying primer on the exterior surface 100a of the sealing strip corner 3 and the exposed non-exterior surface 100b.

[0083] Step S32: After the primer on the exterior surface 100a and the non-exterior surface 100b is dried, a topcoat is sprayed on the primer.

[0084] Specifically, before spraying the topcoat on the primer, the spraying method of this embodiment includes heating and baking the sealing strip corner 3 sprayed with the primer to cure the primer. When the primer on the sealing strip corner 3 is heated and cured, the heating temperature is 70°C-120°C and the heating time is 5min-10min.

[0085] Furthermore, after spraying the topcoat, the spraying method of this embodiment also includes heating and baking the sealing strip corner 3. In specific implementation, as a preferred embodiment, the baking temperature of the sealing strip corner 3 is 180°C-220°C, and the drying time is 10min-20min.

[0086] It is worth mentioning that the primer spraying and the topcoat spraying of the sealing strip corner 3 are preferably performed by a robot.

[0087] In addition, the spraying method of the sealing strip corner of this embodiment also includes cooling the sealing strip corner 3 after the topcoat is dried, and removing the cooling sealing strip from the hanger 1 to check the spraying quality.

[0088] The spraying method of the sealing strip corner of the present embodiment utilizes the spraying auxiliary tooling of the sealing strip corner of the first embodiment. Compared with the manual spraying or semi-automatic spraying method in the prior art, it can reduce the spraying steps and the operation procedures, and is conducive to the online automatic spraying of the appearance surface and the non-appearance surface 100b on the sealing strip corner 3, and can ensure the uniformity of the spraying, thereby improving the production cycle and product quality.

[0089] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A spraying auxiliary tool for sealing strip corners, characterized in that: It comprises a hanging rack (1), and an opening device (2) rotatably arranged on the hanging rack (1); The hanger (1) is provided with a first profiling member (12), and the opening device (2) is provided with a second profiling member (221), wherein the first profiling member (12) and the second profiling member (221) are respectively used for being inserted into the receiving grooves (100) in the two clamping parts on the sealing strip corner (3); When the opening device (2) is driven by an external force, the second profiling member (221) can rotate relative to the first profiling member (12), and drive one of the clamping parts to flip and open relative to the other clamping part, so that the non-exterior surface (100b) between the two clamping parts is exposed.

2. The spraying auxiliary tooling for the sealing strip corner according to claim 1 is characterized in that: The opening device (2) comprises an active rod (21) and a driven rod (22) which are connected in a transmission manner, and the second contoured member (221) is located on the driven rod (22); The active rod (21) receives the external force drive, and can enable the driven rod (22) to drive the second contour member (221) to rotate.

3. The spraying auxiliary tooling for the sealing strip corner according to claim 2 is characterized in that: A reset member is provided between the opening device (2) and the hanging bracket (1); The opening device (2) rotates relative to the hanger (1) to enable the reset member to store energy; When the drive to the opening device (2) is removed, the reset element releases energy, thereby resetting the opening device (2).

4. The spraying auxiliary tooling for the sealing strip corner according to any one of claims 1 to 3, characterized in that: A mounting frame (4) is provided on one side of the hanger (1), and a first driving device (5) is provided on the mounting frame (4), wherein the first driving device is used to output the external force.

5. The spraying auxiliary tooling for the sealing strip corner according to claim 4 is characterized in that: The position of the first driving device (5) is adjustable in the height direction of the mounting frame (4).

6. The spraying auxiliary tooling for the sealing strip corner according to claim 5 is characterized in that: The mounting frame (4) is provided with a second driving device (6) and a supporting plate (41) connected to the second driving device (6); The support plate (41) is driven by the second driving device (6) and is capable of moving along the height direction of the mounting frame (4); The first driving device (5) is arranged on the supporting plate (41).

7. A method for spraying a sealing strip corner, characterized in that: The spraying method comprises: The first profiling member (12) on the hanger (1) and the second profiling member (221) on the opening device (2) are respectively inserted into the receiving grooves (100) in the two clamping parts on the sealing strip corner (3); The driving opening device (2) drives the second profiling member (221) to rotate relative to the first profiling member (12), so that the non-exterior surface (100b) between the two clamping parts on the sealing strip corner (3) is exposed; The exterior surface (100a) of the sealing strip corner (3) and the exposed non-exterior surface (100b) are sprayed.

8. The method for spraying the sealing strip corner according to claim 7, characterized in that: Before spraying the exterior surface (100a) and the exposed non-exterior surface (100b), the spraying method further comprises: The sealing strip corner (3) is preheated.

9. The method for spraying a sealing strip corner according to claim 7, characterized in that: The spraying of the appearance surface (100a) and the exposed non-appearance surface (100b) of the sealing strip corner (3) comprises: Spraying primer on the exterior surface (100a) of the sealing strip corner (3) and the exposed non-exterior surface (100b); After the primer on the exterior surface (100a) and the non-exterior surface (100b) is dried, a topcoat is sprayed on the primer.

10. The method for spraying the sealing strip corner according to claim 9, characterized in that: Before spraying the topcoat on the primer, the spraying method comprises heating and baking the sealing strip joint (3) sprayed with the primer; and / or, After spraying the topcoat, the spraying method includes heating and baking the sealing strip corner (3).

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