Hole opening device for sound transmission hole of automobile ceiling

Abstract

An automobile ceiling sound transmission hole opening device comprises a bearing plate which is transverse in the front-back direction, an opening is formed in the middle of the bearing plate, two blanching hole forming devices are arranged above the positions, located on the left side and the right side of the opening, of the top wall of the bearing plate respectively, and the two blanching hole forming devices can move downwards; a frame-shaped containing groove is formed in the position, close to the four edges, of the bottom wall of the blanching hole forming device, a pressing frame is arranged under the frame-shaped containing groove, a plurality of vertical springs are arranged between the frame-shaped containing groove and the pressing frame, and the upper ends and the lower ends of the vertical springs are connected with the bottom of the frame-shaped containing groove and the top wall of the pressing frame respectively. A plurality of hot ironing salient points are arranged on the bottom wall of the hot ironing hole forming device in a space between the left side edge and the right side edge of the pressing frame, the hot ironing salient points can emit heat, and the bottom wall of each hot ironing salient point is higher than the bottom wall of the pressing frame; the bearing plate is used for placing the automobile ceiling in a front-back transverse mode, and an opening of the bearing plate is matched with a skylight reserved opening of the automobile ceiling in shape and size and is upwards aligned to the skylight reserved opening of the automobile ceiling.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile roof manufacturing, especially to an automobile roof sound hole drilling device. BACKGROUND

[0002] In the automobile roof manufacturing process, two sound holes are respectively drilled on the left and right sides of the automobile roof sunroof reserved opening, and the positions of the two sound holes on the automobile roof correspond to the positions of the automobile sound playing opening on the inner top wall of the automobile cabin, so as to avoid the automobile roof from shielding the automobile sound playing opening. The operator places the automobile roof on the supporting plate, two laser hole forming mechanisms are arranged above the supporting plate, the two laser hole forming mechanisms are respectively located on the left and right sides of the automobile roof sunroof reserved opening, and are respectively aligned with the left and right two local parts of the automobile roof top wall. The two laser hole forming mechanisms do not need to contact the automobile roof, and only need to emit laser at close range to drill two sound holes on the left and right two local parts of the automobile roof. Under the premise of not shielding the laser hole forming mechanism, in order to prevent the automobile roof from shifting, two horizontal pressure rods are arranged on the left and right sides of the supporting plate, the two horizontal pressure rods on the same side are located in front of and behind the laser hole forming mechanism, press the local part of the automobile roof on the side, and a space is left between the two horizontal pressure rods, so that the laser of the laser hole forming mechanism irradiates the automobile roof in the space. In order to avoid shielding the laser, a space is left between the two horizontal pressure rods, and the automobile roof is not pressed and fixed in the space. However, the local part of the automobile roof in the space will generate heat during the process of being drilled by the laser, which will cause the local part to easily arch due to heat. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims to provide a kind of automobile roof sound hole drilling device, during the sound hole drilling, the local part of the automobile roof in the space does not easily arch due to heat.

[0004] The application discloses a hole opening device for a car roof, which comprises front and rear horizontal supporting plates, an opening is formed in the middle of the supporting plates, two hot pressing hole formers are arranged above the left and right sides of the opening on the top wall of the supporting plates, and the two hot pressing hole formers can move downward; a frame-shaped accommodating groove is formed near the four edges on the bottom wall of the hot pressing hole former, a pressing frame is arranged below the frame-shaped accommodating groove, a plurality of vertical springs are arranged between the frame-shaped accommodating groove and the pressing frame, the upper and lower ends of the vertical springs are connected to the bottom of the frame-shaped accommodating groove and the top wall of the pressing frame, respectively, a plurality of hot pressing protrusions are arranged on the bottom wall of the hot pressing hole former between the left and right sides of the pressing frame, the hot pressing protrusions can generate heat, and the bottom wall of the hot pressing protrusions is higher than the bottom wall of the pressing frame; the supporting plates are arranged in front and rear horizontal modes for the car roof, the opening of the supporting plates is matched with the shape and size of the reserved opening of the sunroof of the car roof, and the opening of the supporting plates is upwardly aligned with the reserved opening of the sunroof of the car roof; the two hot pressing hole formers are moved downward to press the left and right sides of the reserved opening of the sunroof on the top wall of the car roof, respectively, then the two hot pressing hole formers are moved downward to be blocked by the car roof, thereby overcoming the elastic force of the vertical springs and being retracted into the frame-shaped accommodating groove until the bottom wall of the pressing frame is at the same height as the bottom wall of the hot pressing hole former, then the hot pressing protrusions press the to-be-opened parts of the car roof and press the sound holes.

[0005] Further, two downward pressing fixing devices are arranged above the front and rear sides of the opening on the top wall of the supporting plate, respectively, and the four downward pressing fixing devices press the front and rear sides of the reserved opening of the sunroof on the top wall of the car roof.

[0006] Further, four edge covering and pressing blocks are arranged, respectively, corresponding to the four edge covering reserved openings of the car roof, the four inner sides of each edge covering reserved opening are provided with to-be-pressed edges, the four edge covering and pressing blocks are moved downward to press and form the edges on the four edge covering reserved openings, and the four edge covering and pressing blocks also press the front and rear sides of the reserved opening of the sunroof on the top wall of the car roof as the downward pressing fixing devices.

[0007] Further, a second vertical cylinder is arranged in the opening, a lifting platform is arranged on the top wall of the second vertical cylinder, a left and right horizontal second sliding rail is arranged on the lifting platform, a left and right second sliding block is movably arranged on the second sliding rail, and the two hot pressing hole formers are arranged on the left side wall of the left second sliding block and the right side wall of the right second sliding block, respectively; the lifting platform is driven by the second vertical cylinder to move upward to be above the car roof, the left second sliding block moves leftward along the second sliding rail until the corresponding hot pressing hole former moves to the left side of the reserved opening of the sunroof on the top wall of the car roof, the right second sliding block moves rightward along the second sliding rail until the corresponding hot pressing hole former moves to the right side of the reserved opening of the sunroof on the top wall of the car roof, then the second vertical cylinder drives the lifting platform to move downward, and the two hot pressing hole formers are moved downward to press the two to-be-opened parts on the left and right sides of the reserved opening of the sunroof on the top wall of the car roof, respectively, and the two hot pressing hole formers generate heat to press the sound holes on the two to-be-opened parts.

[0008] The beneficial effect is that two pressing frames press the automobile roof respectively, and the hot pressing protrusions are located in the interval between the front and rear sides of the corresponding pressing frame, and also press the automobile roof for fixing. During the hot pressing protrusions pressing the sound hole on the automobile roof, the local part of the automobile roof in the interval will also be heated, but because it is pressed by the hot pressing protrusions, it is not easy to arch due to the heat. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 is a perspective view of the automobile roof sound hole opening device of the utility model;

[0010] Figure 2 is a top view of Figure 1 ;

[0011] Figure 3 is a perspective view of the automobile roof sound hole opening device of the utility model, in which four edge covering pressure maintaining blocks (9) have been installed on the edge frames of the four edge covering reserved openings (11) of the automobile roof for pressure maintaining;

[0012] Figure 4 is a top view of Figure 3 ;

[0013] Figure 5 is a perspective view of the automobile roof sound hole opening device of the utility model, in which two hot pressing hole forming devices (17) have respectively opened holes in the left part and the right part of the automobile roof;

[0014] Figure 6 is a perspective view of the hot pressing hole forming device (17) from the bottom angle;

[0015] In the figure: 1, base; 2, supporting block; 3, vertical rotating shaft; 4, horizontal pressing rod; 5, supporting plate; 6, first sliding rail; 7, first sliding block; 8, first vertical air cylinder; 9, edge covering pressure maintaining block; 10, automobile roof body; 11, edge covering reserved opening; 13, second vertical air cylinder; 14, lifting platform; 15, second sliding rail; 16, second sliding block; 17, hot pressing hole forming device; 20, opening; 21, hot pressing protrusion; 22, pressing frame; 23, to-be-opened hole. DETAILED DESCRIPTION

[0016] The utility model creation will be further explained in detail in combination with the specific implementation manners.

[0017] For example, Figure 1 and Figure 2As shown, the base 1 top wall near the left and right sides along the two sides are respectively provided with two supporting blocks 2, and a front and rear transverse supporting plate 5 is arranged above the two supporting blocks 2, and the bottom wall of the supporting plate 5 near the left and right sides along the two sides is respectively arranged on the two supporting blocks 2. The part of the supporting plate 5 between the two supporting blocks 2 is provided with an opening 20. The front and rear transverse automobile roof body 10 is placed on the supporting plate 5, and the automobile roof window reserved opening is matched with the shape and size of the supporting plate opening 20, and the automobile roof window reserved opening is downwardly aligned with the supporting plate opening 20. The automobile roof is provided with two edge covering reserved openings 11 in front of and behind the window reserved opening. The base 1 is provided with two first sliding rails 6 transversely between the two supporting blocks 2, and each first sliding rail 6 is provided with a front and rear first sliding block 7, and the top wall of each of the two front first sliding blocks 7 is respectively provided with a first vertical cylinder 8, and the top wall of each of the two rear first sliding blocks 7 is respectively provided with a first vertical cylinder 8, and the top ends of the four first vertical cylinders 8 are respectively provided with four edge covering pressure maintaining blocks 9.

[0018] The edge covering process is as follows: the operator installs four edge covering accessories on the four edge covering reserved openings 11 respectively, and then the four edge covering pressure maintaining blocks 9 are driven by the corresponding first sliding blocks 7 to move to the upper side of the four edge covering reserved openings 11, and then are driven by the corresponding first vertical cylinders 8 to move downward to press the edge covering accessories for one minute for pressure maintaining, so as to complete the edge covering accessory installation process.

[0019] As shown in Figure 1 and Figure 2 , the opening 20 of the supporting plate 5 is provided with a second vertical cylinder 13, the top wall of the second vertical cylinder 13 is provided with a lifting platform 14, the lifting platform 14 is provided with a left and right transverse second sliding rail 15, the left and right two second sliding blocks 16 are movably installed on the second sliding rail 15, a hot pressing hole maker 17 is installed on the left side wall of the left second sliding block 16, and a hot pressing hole maker 17 is also installed on the right side wall of the right second sliding block 16. As shown in Figure 6 , the bottom wall of each hot pressing hole maker 17 near the four edges is provided with a frame-shaped containing groove (not shown in the figure), a pressing frame 22 is arranged below the frame-shaped containing groove, a plurality of vertical springs are arranged between the frame-shaped containing groove and the pressing frame 22, and the upper and lower ends of the vertical springs are connected with the groove bottom and the top wall of the pressing frame 22 respectively; a plurality of hot pressing protrusions 21 are arranged in the space between the left and right sides of the pressing frame 22 on the bottom wall of the hot pressing hole maker 17, the hot pressing protrusions 21 can generate heat, and the bottom wall of the hot pressing protrusion 21 is higher than the height of the bottom wall of the pressing frame 22.

[0020] The sound hole opening process is carried out simultaneously during the edge covering, and the edge covering pressure retaining block 9 is used to press the automobile roof to be fixed, that is, the edge covering pressure retaining block 9 serves as a downward fixing device. The specific process is as follows: the lifting platform 14 is driven by the second vertical cylinder 13 to move upwards to be above the automobile roof, the left second sliding block 16 moves left along the second sliding rail 15 until the corresponding hot forming hole maker 17 is moved to the left side of the sunroof reserved hole of the top wall of the automobile roof, the right second sliding block 16 moves right along the second sliding rail 15 until the corresponding hot forming hole maker 17 is moved to the right side of the sunroof reserved hole of the top wall of the automobile roof, then the second vertical cylinder 13 drives the lifting platform 14 to move downwards, and drives the two hot forming hole makers 17 to move downwards to press the two to-be-opened holes 23 on the left and right sides of the sunroof reserved hole of the top wall of the automobile roof respectively, and the two hot forming hole makers 17 heat and form sound holes on the two to-be-opened holes 23 respectively.

[0021] Preferably, as shown in Figure 2 , the vertical rotating shaft 3 near the left edge of the top wall of the base 1 is provided with a horizontal pressing rod 4 at the top end, and the horizontal pressing rod 4 faces left. When the automobile roof is placed on the supporting plate 5, the horizontal pressing rod 4 is rotated with the vertical rotating shaft 3 to face right, that is, as shown in Figure 3 , the automobile roof is prevented from being accidentally moved upwards.

[0022] The above-mentioned is only an embodiment of the present application, and does not limit the patent protection range. Those skilled in the art can make non-essential changes or substitutions on the basis of the present application, and still fall within the patent protection range.

Claims

1. A device for opening sound holes in a roof of a vehicle, characterized in that: The utility model relates to a supporting plate (5) that includes front and rear transverse directions, and an opening (20) is formed in the middle of the supporting plate (5), two hot pressing hole formers (17) are arranged above the left and right sides of the opening (20) on the top wall of the supporting plate (5), and the two hot pressing hole formers (17) can move downward, a frame-shaped accommodation groove is formed near the four edges on the bottom wall of the hot pressing hole former (17), a pressing frame (22) is arranged directly below the frame-shaped accommodation groove, a plurality of vertical springs are arranged between the frame-shaped accommodation groove and the pressing frame (22), the upper and lower ends of the vertical springs are connected to the groove bottom and the top wall of the pressing frame (22) respectively, a plurality of hot pressing protrusions (21) are arranged on the bottom wall of the hot pressing hole former (17) between the left and right sides of the pressing frame (22), the hot pressing protrusions (21) can generate heat, and the bottom wall of the hot pressing protrusions (21) is higher than the height of the bottom wall of the pressing frame (22), the supporting plate (5) is used for placing the automobile roof (10) in the front and rear transverse directions, the opening (20) of the supporting plate (5) is matched with the size and shape of the sunroof reserved opening of the automobile roof (10), and the opening (20) of the supporting plate (5) is aligned with the sunroof reserved opening of the automobile roof (10) upward. The two hot pressing hole formers (17) move downward to press the left and right sides of the sunroof reserved opening on the top wall of the automobile roof (10) through the two pressing frames (22), then the hot pressing hole formers (17) are blocked by the automobile roof (10) and are retracted into the frame-shaped accommodation groove against the elastic force of the vertical springs until the bottom wall of the pressing frame (22) is at the same height as the bottom wall of the hot pressing protrusions (21), and then the hot pressing protrusions (21) press the to-be-formed opening (23) of the automobile roof (10) and form sound transmission holes.

2. The automotive sunroof acoustical hole opening device of claim 1, wherein: Two downward pressing fixing devices are arranged above the front and rear sides of the opening (20) on the top wall of the supporting plate (5), and the four downward pressing fixing devices press the front and rear sides of the sunroof reserved opening on the top wall of the automobile roof (10).

3. The automotive sunroof acoustical hole opening device of claim 2, wherein: Four edge covering pressure maintaining blocks (9) are arranged, the four edge covering pressure maintaining blocks (9) are aligned with the four edge covering reserved openings (11) of the automobile roof (10), the four inner sides of each edge covering reserved opening (11) are provided with to-be-pressed edge coverings, the four edge covering pressure maintaining blocks (9) move downward to press and form the edge coverings on the four edge covering reserved openings (11), and the four edge covering pressure maintaining blocks (9) also serve as the downward pressing fixing devices that press the front and rear sides of the sunroof reserved opening on the top wall of the automobile roof (10).

4. The automotive sunroof acoustical hole opening device of claim 1, wherein: The second vertical air cylinder (13) is arranged in the opening (20), the top wall of the second vertical air cylinder (13) is provided with a lifting platform (14), the lifting platform (14) is provided with a left-right transverse second sliding rail (15), the left-right transverse second sliding rail (15) is movably provided with a left second sliding block (16) and a right second sliding block (16), and the two hot pressing hole forming devices (17) are respectively arranged on the left side wall of the left second sliding block (16) and the right side wall of the right second sliding block (16); the lifting platform (14) is driven by the second vertical air cylinder (13) to move upwards to be above the automobile top cover (10), the left second sliding block (16) moves leftwards along the second sliding rail (15) until the corresponding hot pressing hole forming device (17) is moved to the left side of the sunroof reserved opening on the top wall of the automobile top cover (10), the right second sliding block (16) moves rightwards along the second sliding rail (15) until the corresponding hot pressing hole forming device (17) is moved to the right side of the sunroof reserved opening on the top wall of the automobile top cover (10), then the second vertical air cylinder (13) drives the lifting platform (14) to move downwards, and the two hot pressing hole forming devices (17) move downwards to press the two to-be-formed holes (23) on the left side and the right side of the sunroof reserved opening on the top wall of the automobile top cover (10) respectively, and the two hot pressing hole forming devices (17) heat and press to form sound transmission holes on the two to-be-formed holes (23) respectively.

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