Gluing tool for rear top assembly
By designing a hollow upper mold and using a round rod double extrusion technology, combined with a limiting ring and pressure block, the problem of weak adhesion of the automotive rear roof fabric was solved, achieving full pressing and stable adhesion between the fabric and the automotive rear roof, thus avoiding the risk of crushing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI SHANSHENG COMPOSITE MATERIALS CO LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-04-28
AI Technical Summary
In the existing technology, when bonding automotive rear roof fabric, the circular holes on the upper mold are not squeezed, resulting in weak bonding.
A rear roof assembly bonding fixture was designed, which adopts a hollow upper mold and combines components such as a turbine fan, a telescopic cylinder and a round rod. The round rod squeezes the fabric to the position of the round hole, and during the separation process, the limiting ring and the pressure block block block the movement to ensure that the fabric is fully pressed with the rear roof of the car.
It effectively avoids the problem of insufficient pressing caused by round holes, improves the bonding stability, and prevents the fabric from being peeled off during the separation process, reducing the risk of pressure injury.
Smart Images

Figure CN224170516U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of automobile manufacturing. More specifically, this utility model relates to a rear roof assembly bonding tooling. Background Technology
[0002] In existing technology for bonding fabric to the rear roof of a car, the rear roof is typically placed on a lower mold, and then the fabric is suctioned to the upper mold using air force. Glue is then applied to the bonding area on the rear roof, and the upper mold presses the fabric firmly onto the rear roof to complete the bonding operation. However, the upper mold has circular holes for suctioning the fabric. When the fabric is pressed onto the rear roof by the upper mold, the area of the fabric corresponding to the circular holes is not compressed, resulting in a problem of weak bonding at this location.
[0003] In summary, this application proposes a rear top assembly bonding tooling to improve the aforementioned technical problems. Utility Model Content
[0004] In order to overcome the disadvantage that the fabric is not squeezed at the position corresponding to the upper mold hole, resulting in weak adhesion at this position, this utility model provides a back top assembly bonding tooling.
[0005] The technical solution is as follows: A rear top assembly bonding fixture includes a worktable 1, a lower mold, and a worktable 2; the lower mold is fixedly connected to the worktable 1; the worktable 2 is provided on one side of the worktable; it also includes a connecting frame, a round rod 1, an upper mold, an electric clamp, a turbine fan, a pipe, a telescopic cylinder, a connecting plate, and the round rod 2; the connecting frame is rotatably connected to the worktable 1; the round rod 1 is fixedly connected to the connecting frame; the upper mold is fixedly connected to the connecting frame; the upper mold is a hollow structure with several round holes at the beginning; the electric clamp is installed on the worktable 1; the turbine fan is fixedly connected to the worktable 1; the output end of the turbine fan is connected to a pipe, and the pipe is connected to the upper mold; the turbine fan is used to deliver air into the pipe; several telescopic cylinders are bolted to the upper mold; several connecting plates are provided above the upper mold, and the connecting plates are fixedly connected to the telescopic ends of the corresponding telescopic cylinders; several round rods 2 are fixedly connected to each connecting plate, and the round rods 2 are slidably and sealed to the upper mold, and the round rods 2 are aligned with the round holes.
[0006] Preferably, the system also includes auxiliary components, which include a sphere, an arc strip, a pressure block, and a limiting ring; a sphere is slidably connected to each of the two round rods; an arc strip is fixedly connected to each sphere, and the arc strip is slidably connected to the corresponding round rod; a pressure block is fixedly connected to each sphere; several limiting rings are fixedly connected to the inner side of the upper mold, and the limiting rings are located outside the corresponding pressure blocks; several notches are provided on each limiting ring.
[0007] Preferably, the upper mold is made of lightweight aluminum alloy.
[0008] Preferably, the surface of the upper mold is provided with an anti-stick coating.
[0009] Preferably, the electric clamp is equipped with a pressure sensor.
[0010] As a preferred option, the turbine fan is equipped with an intelligent control module.
[0011] The beneficial effects of this utility model are:
[0012] 1. By pressing the fabric against the corresponding round hole using the round rod, the fabric is fully pressed against the rear roof of the car, avoiding the problem of insufficient pressing caused by the round hole on the upper mold for gripping the fabric.
[0013] 2. The second round rod is used to squeeze the fabric at the corresponding round hole position. It is also used to block and limit the fabric during the separation process between the upper mold and the fabric. By blocking and limiting the fabric with the second round rod, the upper mold is prevented from lifting the fabric upward by the adhesive force, which helps to improve the adhesion stability.
[0014] Third, even if the second round rod moves to an inclined state, the lower side of the pressure block can still ensure complete contact with the fabric, avoiding the problem of pressure damage caused by the small contact area between the inclined second round rod and the fabric. Attached Figure Description
[0015] Figure 1 A schematic diagram of the rear top assembly bonding tooling of this utility model is shown;
[0016] Figure 2 The diagram shows the closed state of the bonding fixture for the rear top assembly of this utility model;
[0017] Figure 3 This utility model is shown Figure 2 Enlarged view of point A in the middle;
[0018] Figure 4 This diagram shows the first state of the upper mold moving upwards away from the fabric according to this invention;
[0019] Figure 5 This utility model is shown Figure 4 Enlarged view of point B in the middle;
[0020] Figure 6 This diagram shows a second state in which the upper mold of this invention moves upward and away from the fabric.
[0021] Explanation of reference numerals in the attached drawings: 1-Workbench 1, 2-Lower mold, 3-Workbench 2, 4-Connecting frame, 5-Round rod 1, 6-Upper mold, 7-Electric clamp, 8-Turbine fan, 9-Pipe, 10-Telescopic cylinder, 11-Connecting plate, 12-Round rod 2, 13-Sphere, 14-Arc strip, 15-Pressure block, 16-Limiting ring, 17-Pressure piece, 91-Round hole. Detailed Implementation
[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0023] Example 1
[0024] A type of rear roof assembly bonding tooling, such as Figures 1-6 As shown, it includes a worktable 1, a lower mold 2, and a worktable 3; the lower mold 2 is bolted to the worktable 1, and the worktable 1 is made of alloy material; the worktable 3 is located on the side of the worktable 1; it also includes a connecting frame 4, a round rod 5, an upper mold 6, an electric clamp 7, a turbine fan 8, a pipe 9, a telescopic cylinder 10, a connecting plate 11, and a round rod 12; the connecting frame 4 is rotatably connected to the worktable 1; the round rod 5 is bolted to the connecting frame 4; the upper mold 6 is bolted to the connecting frame 4; the upper mold 6 is a hollow structure, and has several round holes 91; the electric clamp 7 is installed on the worktable 1; the worktable A turbine fan 8 is bolted to the upper mold 6. The output end of the turbine fan 8 is connected to and fixed to a pipe 9, which is connected to and fixed to the upper mold 6. The pipe 9 is made of soft rubber. Several telescopic cylinders 10 are bolted to the upper mold 6. Eight connecting plates 11 are set above the upper mold 6. The connecting plates 11 are fixed to the telescopic ends of the corresponding telescopic cylinders 10. Five round rods 12 are fixed to each connecting plate 11. The round rods 12 are slidably connected to the upper mold 6 in a sealed manner. The round rods 12 are aligned with the round holes 91. The telescopic cylinders 10 drive the connecting plates 11 to move, and the connecting plates 11 drive the round rods 12 to move, so that the round rods 12 are inserted into the round holes 91.
[0025] It also includes auxiliary components, including a ball 13, an arc strip 14, a pressure block 15, and a limiting ring 16; a ball 13 is slidably connected to each round rod 12; an arc strip 14 is welded to each ball 13, and the arc strip 14 is slidably connected to the corresponding round rod 12; a pressure block 15 is fixedly connected to each ball 13, and the pressing part 17 is pressed onto the lower mold 2 by the pressure block 15; several limiting rings 16 are fixedly connected to the inner side of the upper mold 6, and the limiting rings 16 are located outside the corresponding pressure block 15; each limiting ring 16 has four notches.
[0026] The upper mold 6 is made of lightweight aluminum alloy to reduce weight and achieve lightweight processing.
[0027] The surface of the upper mold 6 is provided with an anti-stick coating to prevent the fabric from sticking due to glue seeping into the surface of the upper mold 6.
[0028] The electric clamp 7 is equipped with a pressure sensor, which can monitor the pressure generated during the pressing process so that the pressure can be adjusted as needed.
[0029] The turbine fan 8 is equipped with an intelligent control module, which can adjust the suction power according to needs.
[0030] First, the car's rear roof is placed on the upper side of the lower mold 2 using an external robotic arm. Adhesive is applied to the bonding area of the rear roof. The fabric is then placed on the upper mold 6 using the same robotic arm. The turbine fan 8 is activated, allowing air from the outside environment to flow into the inner side of the upper mold 6 through the round hole 91. Air then flows from the inner side of the upper mold 6 into the pipe 9, then into the turbine fan 8, and finally back into the outside environment from the turbine fan 8's outlet. During this process, because the fabric is placed on the upper side of the upper mold 6 and covers the round hole 91, the fabric is firmly adhered to the upper mold 6. Then, the external robotic arm pulls the round rod 5, which in turn rotates the connecting frame 4. Viewed from front to back, the connecting frame 4 rotates counterclockwise, causing the upper mold 6 to rotate. Figure 2 As shown, the upper mold 6 rotates to directly above the lower mold 2. During this process, the upper mold 6 also moves the fabric, thus adhering the fabric to the rear roof of the car. Then, the electric clamp 7 is activated, pushing the end of the connecting frame 4 away from its pivot downwards. The connecting frame 4 drives the upper mold 6 downwards, thus pressing the fabric tightly against the rear roof of the car. The turbine fan 8 is then turned off, stopping the upper mold 6 from gripping the fabric. Then, the telescopic cylinder 10 is activated, moving the connecting plate 11. The connecting plate 11 moves the second round rod 12, causing the second round rod 12 to insert into the round hole 91 of the upper mold 6 and come into contact with the fabric. The fabric is pressed against the corresponding hole 91 by the round rod 12, thus pressing and bonding the fabric to the rear roof of the car. After the bonding operation is completed, the electric clamp 7 stops pressing the connecting frame 4, and the external robot arm drives the connecting frame 4 to flip back to its original position, so that the end of the connecting frame 4 is put back on the worktable 3. Then, the external robot arm takes out the bonded rear roof of the car and the fabric. When in use, the fabric is pressed against the corresponding hole 91 by the round rod 12, so that the fabric and the rear roof of the car are fully pressed together, avoiding the problem of insufficient pressing caused by the round hole 91 on the upper mold 6 for clamping the fabric.
[0031] During the pressing and bonding process, a small amount of adhesive will seep into the surface of the upper mold 6. After pressing and bonding, when the upper mold 6 detaches from the fabric, the adhesive remaining on the surface of the upper mold 6 will stick to the fabric, thus applying an upward pulling force to the fabric. At this time, the adhesive between the fabric and the rear roof of the car is not completely solidified, resulting in a decrease in the bonding stability between the fabric and the rear roof of the car. Therefore, after pressing and bonding, the connecting frame 4 drives the upper mold 6 to rotate upward. At this time, the telescopic cylinder 10 is activated, which drives the connecting plate 11 to move towards the fabric. The connecting plate 11 drives the round rod 12 to move towards the fabric, so that while the upper mold 6 rotates upward, the round rod 12 keeps the fabric pressed. On the rear of the car, the round rod 12 blocks and limits the fabric, preventing the upper mold 6 from lifting the fabric upwards through adhesive force, which helps improve the bonding stability. After the upper mold 6 separates from the fabric, the telescopic cylinder 10 stops moving, and the connecting frame 4 drives the upper mold 6 to rotate. The upper mold 6 drives the parts on it to move, so that the round rod 12 moves away from the fabric. In use, the round rod 12 is used to squeeze the fabric at the position corresponding to the round hole 91, and it is also used to block and limit the fabric during the separation process between the upper mold 6 and the fabric. The round rod 12 blocks and limits the fabric, preventing the upper mold 6 from lifting the fabric upwards through adhesive force, which helps improve the bonding stability.
[0032] During the separation process between the upper mold 6 and the fabric, the upper mold 6 will cause the round rod 12 to rotate and tilt, thereby causing the lower side of the round rod 12 to be in an tilted state, such as... Figure 4 and Figure 5 As shown, the upper layer of the pressing component 17 is made of fabric, and the lower layer of the pressing component 17 is made of car rear roof. At this time, the contact area between the round rod 12 and the fabric is greatly reduced, which leads to the risk of fabric being crushed. Therefore, a movable ball 13, an arc strip 14 and a pressure block 15 are provided at the lower end of the round rod 12. During the process of clamping the fabric, air flows from the round hole 91 into the notch of the limiting ring 16, and then flows into the inner side of the upper mold 6 from the notch. During the pressing process, the round rod 12 drives the ball 13, the arc strip 14 and the pressure block 15 to move downward, and the limiting ring 16 presses against the fabric. Block 15 is positioned to limit the movement of the pressure block 15, allowing it to slide inside the circular hole 91 until it contacts and presses the fabric. At this point, the pressure block 15 remains inside the circular hole 91, preventing movement and ensuring stable pressure on the fabric. During the separation of the upper die 6 from the fabric, the upper die 6 moves upwards away from the pressure block 15, stopping it from contacting the inside of the circular hole 91. This restores the pressure block 15's mobility. Under the pressure, the sphere 13, the arc strip 14, and the pressure block 15 rotate adaptively. Figure 6 As shown, the upper layer of the pressing component 17 is made of fabric, and the lower layer of the pressing component 17 is made of car rear roof. Even if the second round rod 12 moves to an inclined state, the lower side of the pressing block 15 can still fully contact the fabric, avoiding the problem of pressure damage caused by the small contact area between the inclined second round rod 12 and the fabric.
[0033] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A rear top assembly bonding fixture, comprising a first worktable (1), a lower mold (2), and a second worktable (3); the lower mold (2) is fixedly connected to the first worktable (1); the second worktable (3) is provided on the side of the first worktable (1); characterized in that, It also includes a connecting frame (4), a first round rod (5), an upper mold (6), an electric clamp (7), a turbine fan (8), a pipe (9), a telescopic cylinder (10), a connecting plate (11), and a second round rod (12); the connecting frame (4) is rotatably connected to the first workbench (1); the first round rod (5) is fixedly connected to the connecting frame (4); the upper mold (6) is fixedly connected to the connecting frame (4); the upper mold (6) is set as a hollow structure, and there are several round holes (91) on the upper mold (6); the electric clamp (7) is installed on the first workbench (1); the turbine fan is fixedly connected to the first workbench (1). (8); The output end of the turbine fan (8) is connected to the pipe (9), and the pipe (9) is connected to the upper mold (6); the turbine fan (8) is used to deliver air into the pipe (9); several telescopic cylinders (10) are bolted to the upper mold (6); several connecting plates (11) are set above the upper mold (6), and the connecting plates (11) are fixed to the telescopic ends of the corresponding telescopic cylinders (10); several round rods (12) are fixed to each connecting plate (11), and the round rods (12) are sealed and slidably connected to the upper mold (6), and the round rods (12) are aligned with the round holes (91).
2. The rear top assembly bonding tooling according to claim 1, characterized in that, It also includes auxiliary components, which include a ball (13), an arc strip (14), a pressure block (15), and a limiting ring (16); a ball (13) is slidably connected to each of the two round rods (12); an arc strip (14) is fixedly connected to each ball (13), and the arc strip (14) is slidably connected to the corresponding two round rod (12); a pressure block (15) is fixedly connected to each ball (13); several limiting rings (16) are fixedly connected to the inner side of the upper mold (6), and the limiting rings (16) are located outside the corresponding pressure block (15); several notches are opened on each limiting ring (16).
3. The rear roof assembly bonding fixture according to claim 2, characterized in that, The upper mold (6) is made of lightweight aluminum alloy.
4. The rear roof assembly bonding fixture according to claim 2, characterized in that, The surface of the upper mold (6) is provided with an anti-stick coating.
5. The rear roof assembly bonding tooling according to claim 4, characterized in that, A pressure sensor is installed on the electric clamp (7).
6. A rear top assembly bonding tooling according to any one of claims 1-5, characterized in that, The turbine fan (8) is equipped with an intelligent control module.