Ear hook spray shielding device
By designing an ear-hook spraying and shading device for plastic products, the problems of hot melt line falling off and appearance surface spraying in ultrasonic hot melt method are solved, and effective shading and spraying operations are achieved smoothly.
Patent Information
- Application Number
- CN202420741821.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-04-11
AI Technical Summary
In the manufacturing process of plastic products, ultrasonic hot melting method makes it impossible to avoid conductive paint at the position of the hot melt line, resulting in the problem of hot melt line falling off and the appearance of paint spraying.
An ear-hanging spray-cover device is designed, including an upper cover and a lower cover, locking the upper cover with a lower cover by fastening screws, locking handles and pins, a sealing block is provided to block the appearance of the ear-hanging, and the upper cover and the lower cover are combined with the lower cover through guide posts and guide holes.
Effectively block the position of the ultrasonic line and the appearance of the workpiece to avoid the appearance of spraying paint on the hot melt line and appearance surface, and achieve the smooth progress of spraying operations.
Smart Images
Figure CN222709944U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a shielding device, in particular to an ear hook spray shielding device. Background Art
[0002] In order to ensure the beauty and integrity of plastic products, screw holes are avoided as much as possible on the outer surface of the product. In many cases, ultrasonic hot melting is used to melt two plastic parts together.
[0003] Because the inner surface of the plastic part needs to be sprayed with a layer of conductive paint, if the ultrasonic hot melt method is used, there must be no conductive paint at the location of the hot melt line, so the location of the hot melt line needs to be covered to prevent the plastic part from falling off after hot melting. Because the appearance of the plastic part is not allowed to have spray paint, the appearance of the plastic part also needs to be covered. Therefore, a shielding device is needed that can not only cover the ultrasonic line position but also the appearance of the workpiece. Utility Model Content
[0004] The purpose of the utility model is to provide an ear hook spray shielding device for shielding the position of ultrasonic line.
[0005] The purpose of the utility model can be achieved through the following technical solutions:
[0006] An earhook spray shielding device comprises an upper cover and a pin located in the upper part and a lower cover, a fastening screw and a locking handle located in the lower part, the interior of the lower cover is used to place the earhook, the upper cover is provided with an inward opening, the position of the opening corresponds to the placement position of the earhook, the edge of the opening is consistent with the shape of the earhook ultrasonic line, and is used to cover the earhook ultrasonic line, the pin is arranged on two opposite sides of the upper cover, and two opposite sides of the lower cover are provided with a fastening screw and a locking handle, the first end of the locking handle is used to be placed on the fastening screw on the same side, and the second end is installed on the side of the lower cover on the same side as the fastening screw, the tip of the second end is in a curved hook shape, and the pin for the same side is located in the curved hook structure.
[0007] Furthermore, it also includes a blocking block, which is arranged inside the side surface of the lower cover and is used to block the appearance surface of the ear hook.
[0008] Furthermore, the blocking block is made of rubber.
[0009] Furthermore, the second end of the locking handle is mounted on the side surface of the lower cover by a fastening screw.
[0010] Furthermore, it also includes a rotating washer, which is installed on the fastening screw at the second end of the locking handle, and the second end of the locking handle is inserted into the rotating washer and installed on the side of the lower cover through the fastening screw.
[0011] Furthermore, it also includes a guide column arranged inside the upper cover and a guide hole arranged inside the lower cover, wherein the guide column and the guide hole are positioned opposite to each other and are used to put the upper cover and the lower cover together.
[0012] Furthermore, the number of the guide posts and guide holes ranges from 1 to 4, and the guide posts and guide holes are respectively arranged at the edges inside the upper cover and the lower cover.
[0013] Furthermore, it also includes a limiting groove arranged inside the lower cover for fixing the ear hook.
[0014] Furthermore, the opening of the ear hook shape is made into a 45° chamfer.
[0015] Furthermore, the first end of the locking handle is in a bent buckle shape.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] (1) The utility model places the ear hook to be sprayed in the lower cover, and the upper cover is provided with an inward opening corresponding to the ear hook. The upper cover and the lower cover are locked by means of a fastening screw, a locking handle and a pin component on the outside of the device. The edge of the opening blocks the position of the ultrasonic line, so that no spray material will appear at the position of the ultrasonic line during spraying.
[0018] (2) The utility model also provides a blocking block to shield the exterior surface of the ear hook workpiece, so that the exterior surface of the ear hook workpiece will not be sprayed during the spraying operation.
[0019] (3) The device of the utility model has low cost, simple operation and good shielding effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 Schematic diagram of the lower cover structure of the utility model, wherein (a) is a top view of the lower cover, and (b) is a side view of the lower cover;
[0022] Figure 3 This is a schematic diagram of the side explosion structure of the utility model;
[0023] Figure 4 It is a schematic diagram of the structure of the upper cover and the lower cover of the utility model after being combined, wherein (a) is a main view and (b) is a top view. DETAILED DESCRIPTION
[0024] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.
[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0026] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.
[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected 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 according to specific circumstances.
[0028] This embodiment provides an ear hook spray shielding device, such as Figure 1 As shown in FIG. 1 , the device is mainly divided into an upper part and an upper part. The upper part includes an upper cover 1, a pin 7 and a guide column 9, and the lower part includes a lower cover 2, a blocking block 3, a fastening screw 4, a locking handle 5, a rotating washer 6 and a guide hole 10. Figure 2 As shown, Figure 2 Figure a in the figure shows that a limiting groove 11 is provided inside the lower cover 2 for placing the ear hook 12 in the limiting groove 11 to prevent sliding. The upper cover 1 is provided with an inward 45° chamfered opening 8, one is to make the spraying angle larger, and the other is to make the airflow flow more easily to prevent local material shortage. The position of the opening 8 corresponds to the placement position of the ear hook 12, and the edge of the opening 8 is consistent with the shape of the ear hook ultrasonic line. The edge of the opening 8 covers the ear hook ultrasonic line to avoid the appearance of spray material at the ultrasonic line position of the ear hook 12 during spraying. Pins 7 are provided on two opposite sides of the upper cover 1. Figure 2Figure b in the figure shows that two opposite sides of the lower cover 2 are provided with a fastening screw 4 and a locking handle 5. The first end 5-1 of the locking handle 5 is placed on the fastening screw 4 on the same side, and the second end 5-2 is installed on the side of the lower cover 2 on the same side as the fastening screw 4. The end of the second end 5-2 is in a curved hook shape, and the pin 7 on the same side is located in the curved hook structure, which can lock the upper cover 1 and the lower cover 2. In addition, the second end 5-2 is installed on the side of the lower cover 2 by the fastening screw 4, and the rotating washer 6 is installed on the fastening screw 4 at the second end 5-2 of the locking handle 5. The second end 5-2 of the locking handle 5 is inserted into the rotating washer 6 and installed on the side of the lower cover 2 by the fastening screw 4. Figure 3 As shown, the guide column 9 inside the upper cover 1 and the guide hole 10 inside the lower cover 2 are positioned opposite to each other and are respectively arranged at the edges inside the upper cover 1 and the lower cover 2, so that the upper cover 1 and the lower cover 2 can be put together by engaging the guide column 9 with the guide hole 10. The blocking block 3 is arranged inside the side surface of the lower cover 2 to block the appearance surface of the ear hook 12. The blocking block 3 can be made of rubber material and has good sealing performance.
[0029] During the use of the above device, the upper and lower parts of the device are first assembled, the locking handle 5 is rotated to a certain angle, the ear hook 12 is placed in the limit groove 11, and the blocking block 3 is inserted into the plastic ear hook 12 from the side of the device to block the position on the inner surface that does not need to be sprayed, and then the guide column 9 is inserted into the guide hole 10, so that the upper cover 1 and the lower cover 2 are put together, and finally the locking handle 5 is pulled to lock the upper and lower parts of the device. The locked device is as shown in FIG. Figure 4 As shown, Figure 4 Figure a is the front view of the device after locking, and Figure b is the top view of the device after locking. Finally, it is sent to the spraying workshop for spraying operation.
[0030] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.
Claims
1. An ear hook spray shielding device, characterized in that: The invention comprises an upper cover (1) and a pin (7) located at the upper part, and a lower cover (2), a fastening screw (4) and a locking handle (5) located at the lower part. The interior of the lower cover (2) is used to place an ear hook (12). The upper cover (1) is provided with an inward opening (8). The position of the opening (8) corresponds to the placement position of the ear hook (12). The edge of the opening (8) is consistent with the shape of the ear hook ultrasound line and is used to cover the ear hook ultrasound line. The pin (7) is arranged on two opposite sides of the upper cover (1). The two opposite sides of the lower cover (2) are both provided with a fastening screw (4) and a locking handle (5). The first end (5-1) of the locking handle (5) is used to be placed on the fastening screw (4) on the same side, and the second end (5-2) is installed on the side of the lower cover (2) on the same side as the fastening screw (4). The tip of the second end (5-2) is in the shape of a curved hook, and the pin (7) on the same side is located in the curved hook structure.
2. The ear hook spray shielding device according to claim 1, characterized in that: It also includes a blocking block (3), which is arranged inside the side surface of the lower cover (2) and is used to block the appearance surface of the ear hook (12).
3. The ear hook spray shielding device according to claim 2, characterized in that: The blocking block (3) is made of rubber.
4. The ear hook spray shielding device according to claim 1, characterized in that: The second end (5-2) of the locking handle (5) is mounted on the side of the lower cover (2) via a fastening screw (4).
5. The ear hook spray shielding device according to claim 4, characterized in that: It also includes a rotating washer (6), which is installed on the fastening screw (4) at the second end (5-2) of the locking handle (5), and the second end (5-2) of the locking handle (5) is inserted into the rotating washer (6) and installed on the side of the lower cover (2) through the fastening screw (4).
6. The ear hook spray shielding device according to claim 1, characterized in that: It also includes a guide column (9) arranged inside the upper cover (1) and a guide hole (10) arranged inside the lower cover (2), wherein the guide column (9) and the guide hole (10) are located opposite to each other and are used to put the upper cover (1) and the lower cover (2) together.
7. The ear hook spray shielding device according to claim 6, characterized in that: The number of the guide posts (9) and the guide holes (10) ranges from 1 to 4, and the guide posts (9) and the guide holes (10) are respectively arranged at the edges inside the upper cover (1) and the lower cover (2).
8. The ear hook spray shielding device according to claim 1, characterized in that: It also includes a limiting groove (11) arranged inside the lower cover (2) and used for fixing the ear hook (12).
9. The ear hook spray shielding device according to claim 1, characterized in that: The ear hook-shaped opening (8) is made into a 45° chamfer.
10. The ear hook spray shielding device according to claim 1, characterized in that: The first end (5-1) of the locking handle (5) is in a bent buckle shape.