Profiling cold bending jig for assembling vehicle-mounted LCM and rear shell

Abstract

The utility model relates to the technical field of cold bending glass, and discloses a profiling cold bending jig for assembling a vehicle-mounted LCM (Liquid Crystal Module) and a rear shell, which comprises an upper jig and a lower jig which are matched with the curved surface shapes of the rear shell and the vehicle-mounted LCM, and adjusting mechanisms which are arranged at four corners of two ends of the upper jig and are used for visually adjusting a gap between the upper jig and the lower jig, therefore, the vehicle-mounted LCM and the rear shell with different sizes can be adapted. According to the utility model, through the arrangement of the adjusting mechanism and the cooperative operation among the height adjusting column, the adjusting nut and the adjusting support, the vertical adjustment of the jig is realized so as to adapt to vehicle-mounted LCMs and rear shells with different sizes, the visual adjustment of the clearance of the jig is realized through adjusting the height adjusting column and monitoring the reading on the dial indicator, and the whole system works cooperatively, so that the production efficiency is improved. And accurate assembly of the curved-surface vehicle-mounted LCM and the rear shell is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of cold-bending glass, in particular to a contoured cold-bending jig for assembling a vehicle-mounted LCM and a rear shell. Background Art

[0002] In the field of assembling curved automotive LCMs and backshells, the use of jigs is a key step in ensuring product quality. The current general background technology mainly involves the precise assembly of liquid crystal display modules (LCMs) and backshells, usually by using jigs to support and position the two components. The design of the jig directly affects the shape matching and distance control between the LCM and the backshell, which is crucial to the appearance and performance of the final product.

[0003] The existing jigs have poor shape adaptability and are unable to simultaneously meet the complex shape requirements of the curved vehicle-mounted LCM and the back shell. In addition, traditional jigs have limitations in the vacuum adsorption and gluing assembly process and are unable to effectively maintain a firm connection between the LCM and the back shell, resulting in an unstable assembly. Utility Model Content

[0004] The utility model aims to provide a contoured cold bending jig for assembling a vehicle-mounted LCM and a rear shell, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a contoured cold-bending jig for assembling a vehicle-mounted LCM and a rear shell, comprising an upper jig and a lower jig that match the curved surface shapes of the rear shell and the vehicle-mounted LCM, and an adjustment mechanism arranged at the four corners at both ends of the upper jig for visually adjusting the gap between the upper and lower jigs to adapt to vehicle-mounted LCMs and rear shells of different sizes.

[0006] The following improvement is made in the solution of the present application: the adjustment mechanism includes a dial indicator, a dial indicator support mounted on the dial indicator, and is connected and fixed to the upper fixture via the dial indicator support.

[0007] The following improvement is made in the present application: the dial indicator support is arranged in a T-shaped structure, one end of which is provided with a through hole matching the dial indicator, and the other end is provided with fixing holes on both sides connected to the upper fixture.

[0008] The following improvement is made in the solution of the present application: a height adjustment column is provided at the lower end of the dial indicator, an adjustment support is sleeved on the height adjustment column, and the height adjustment column is connected to the upper fixture through the adjustment support.

[0009] The following improvement is made in the present application: both ends of the height adjustment column are threadedly connected with adjustment nuts, and the top of the adjustment nut located above the adjustment support is connected and fixed to the bottom of the dial indicator.

[0010] The following improvements are made in the present application: a negative pressure leak-free joint of a lower jig is provided at the lower end of the upper jig between the two dial indicators, and a channel matching the negative pressure leak-free joint of the lower jig is provided at the top of the lower jig. The negative pressure leak-free joint of the lower jig is connected to a vacuum source to achieve firm adsorption of the vehicle-mounted LCM, so that the negative pressure effect can still be maintained when the vacuum source is disconnected, thereby ensuring the stability of the assembly.

[0011] The following improvements are made in the present application: the lower end surface of the upper fixture is arranged in an arc-shaped structure, which is matched with the rear shell; the top two sides of the upper fixture are respectively provided with a positive pressure leak-free joint and a negative pressure leak-free joint; the bottom two sides of the upper fixture are evenly distributed with a plurality of steel ball lockers; the lower fixture is provided with a locking sleeve that corresponds to the steel ball locker. The positive pressure is provided by the positive pressure leak-free joint, and the steel ball locker and the locking sleeve are used to ensure that the upper and lower fixtures can fit firmly, and the steel ball expands outward to prevent it from falling off, so as to achieve automatic clamping and enhance the connection stability of the fixture.

[0012] The following improvements are made in the present application: the upper end surface of the lower jig is arranged in an arc-shaped structure to cooperate with the vehicle-mounted LCM, a plurality of middle suction cups are evenly distributed on the upper end surface of the lower jig, edge suction cups are arranged on both sides of the middle suction cups, a vacuum groove is arranged between the edge suction cups and the middle suction cups, and handles are arranged on the sides at both ends of the lower jig.

[0013] The following improvements are made in the present application: a positioning mechanism is provided between the upper fixture and the lower fixture to keep the vehicle-mounted LCM and the rear shell accurately aligned, and the positioning mechanism includes a fixing seat provided at the lower ends of both sides of the upper fixture, a guide column connected to the lower end of the fixing seat, and a guide sleeve installed at the top of the lower fixture, and a connecting hole corresponding to the guide column is provided in the middle of the guide sleeve, and the connecting hole extends downward through the lower fixture. The guide column guides the relative position of the vehicle-mounted LCM and the rear shell to ensure the correct alignment of the two during the assembly process.

[0014] Compared with the prior art, the utility model provides a contoured cold bending jig for assembling a vehicle-mounted LCM and a rear shell, which has the following beneficial effects:

[0015] The utility model realizes vertical adjustment of the jig by setting an adjustment mechanism and utilizing the cooperation between a height adjustment column, an adjustment nut and an adjustment support to adapt to vehicle-mounted LCMs and rear shells of different sizes. By adjusting the height adjustment column and monitoring the reading on the dial indicator, visual adjustment of the jig gap is realized. The whole system works in coordination to ensure accurate assembly of the curved vehicle-mounted LCM and the rear shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the upper fixture in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the lower fixture in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the adjustment mechanism in the utility model. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Example

[0024] like Figure 1-4 As shown, a contoured cold-bending jig for assembling a vehicle-mounted LCM and a rear shell is mainly composed of an upper jig 1, a lower jig 2 and an adjustment mechanism 3. When the upper jig 1 and the lower jig 2 are combined together, the overall transportation can be realized. At this time, the lower jig 2 and the upper jig 1 can be separated from the vacuum source and the positive pressure source to ensure that the vehicle-mounted LCM 5, the rear shell 4 and the upper and lower jigs are tightly fitted.

[0025] The upper jig 1 and the lower jig 2 match the curved shapes of the rear shell 4 and the vehicle-mounted LCM5 respectively. The lower end face of the upper jig 1 is arranged in an arc-shaped structure and is located above the assembly system for supporting and clamping the rear shell 4. It has a special shape and can adapt to the complex shape of the rear shell 4. A positive-pressure leak-free joint 12 and a negative-pressure leak-free joint 13 are provided on both sides of the top of the upper jig 1, respectively, and the rear shell 4 is firmly adsorbed through the negative-pressure leak-free joint 13; eight steel ball lockers 14 are evenly distributed on both sides of the bottom end of the upper jig 1, and a locking sleeve 22 corresponding to the steel ball locker 14 is provided on the lower jig 2; and a lower-jig negative-pressure leak-free joint 11 is provided at the lower end of the upper jig 1 between the two dial indicators 31, which is connected to a vacuum source through the joint to achieve firm adsorption of the vehicle-mounted LCM5.

[0026] The upper end surface of the lower fixture 2 is arranged in an arc-shaped structure, which cooperates with the vehicle-mounted LCM5; a plurality of intermediate suction cups 23 are evenly distributed on the upper end surface of the lower fixture 2, edge suction cups 24 are arranged on both sides of the intermediate suction cups 23, a vacuum groove 25 is arranged between the edge suction cups 24 and the intermediate suction cups 23, and handles 26 are respectively arranged on the sides of both ends of the lower fixture 2; at the same time, a channel 21 is opened on the top of the lower fixture 2 to cooperate with the negative pressure leakage-free joint 11 of the lower fixture.

[0027] The adjustment mechanism 3 is arranged at the four corners at both ends of the upper fixture 1, and is used to visually adjust the gap between the upper and lower fixtures to adapt to vehicle-mounted LCM5 and rear shell 4 of different sizes. The adjustment mechanism 3 is composed of a dial indicator 31, a dial indicator support 32, a height adjustment column 33 and an adjustment support 34; the dial indicator support 32 is arranged in a T-shaped structure, one end of which is provided with a through hole matching the dial indicator 31, and is mounted on the dial indicator 31 through the through hole, and the other end is provided with fixing holes 321 on both sides to form a connection with the upper fixture 1; a height adjustment column 33 is arranged at the lower end of the dial indicator 31, and adjustment nuts 35 are threadedly connected at both ends of the height adjustment column 33, and the top of the adjustment nut 35 located above the adjustment support 34 is connected and fixed to the bottom end of the dial indicator 31; the adjustment support 34 is mounted on the height adjustment column 33, and is fixedly connected to the upper fixture 1 through the adjustment support 34.

[0028] A positioning mechanism 6 is provided between the upper jig 1 and the lower jig 2 for maintaining accurate alignment of the vehicle-mounted LCM5 and the rear shell 4, including a fixing seat 61 arranged at the lower ends of both sides of the upper jig 1, a guide column 62 connected to the lower end of the fixing seat 61, and a guide sleeve 63 installed on the top of the lower jig 2; a connecting hole 631 corresponding to the guide column 62 is provided in the middle of the guide sleeve 63, and the connecting hole 631 extends downward through the lower jig 2, and the guide column 62 cooperates with the connecting hole 631 to guide the relative position of the vehicle-mounted LCM5 and the rear shell 4, ensuring the correct alignment of the two during the assembly process.

[0029] Working principle: During the assembly process, the lower fixture 2 uses the suction cup and vacuum groove to adsorb and fix the vehicle-mounted LCM5, and the upper fixture 1 uses positive pressure and negative pressure leak-free joints to achieve stable adsorption of the back shell 4. The guide sleeve 43 and the locking sleeve 22 are used to maintain the accurate alignment of the vehicle-mounted LCM5 and the back shell 4, while the steel ball locker 14 ensures the close fit of the upper and lower fixtures. The adjustment mechanism 3 realizes vertical adjustment of the fixture through the height adjustment column 33, the adjustment nut 35 and the adjustment support 34 to adapt to vehicle-mounted LCM5 and back shell 4 of different sizes; the dial indicator support 32 and the dial indicator 31 are used to realize the visual adjustment of the fixture gap. The entire system works together to ensure the precise assembly of the curved vehicle-mounted LCM5 and the back shell 4.

Claims

1. A contoured cold bending jig for assembling a vehicle-mounted LCM and a rear shell, characterized in that: It comprises an upper jig (1) and a lower jig (2) that match the curved surface shapes of a rear shell (4) and an on-vehicle LCM (5), and an adjustment mechanism (3) disposed at four corners at both ends of the upper jig (1) for visually adjusting the gap between the upper and lower jigs, so as to accommodate on-vehicle LCMs (5) and rear shells (4) of different sizes; The adjustment mechanism (3) comprises a dial gauge (31), a dial gauge support (32) sleeved on the dial gauge (31), and is connected and fixed to the upper fixture (1) via the dial gauge support (32).

2. The cold-bending jig for assembling a vehicle-mounted LCM and a rear shell according to claim 1, characterized in that: The dial gauge support (32) is arranged in a T-shaped structure, with a through hole matching the dial gauge (31) being provided at one end, and fixing holes (321) connected to the upper fixture (1) being provided on both sides of the other end.

3. The cold-bending jig for assembling a vehicle-mounted LCM and a rear shell according to claim 2, characterized in that: A height adjustment column (33) is provided at the lower end of the dial indicator (31), and an adjustment support (34) is sleeved on the height adjustment column (33), and is connected to the upper fixture (1) via the adjustment support (34).

4. The cold-bending jig for assembling a vehicle-mounted LCM and a rear shell according to claim 3, characterized in that: The two ends of the height adjustment column (33) are threadedly connected with adjustment nuts (35), and the top end of the adjustment nut (35) located above the adjustment support (34) is connected and fixed to the bottom end of the dial indicator (31).

5. The cold-bending jig for assembling a vehicle-mounted LCM and a rear shell according to claim 1, characterized in that: A lower jig negative pressure leak-free joint (11) is provided at the lower end of the upper jig (1) located between the two dial gauges (31), and a channel (21) matching the negative pressure leak-free joint (11) is provided at the top of the lower jig (2).

6. The cold-bending jig for assembling a vehicle-mounted LCM and a rear shell according to claim 1, characterized in that: The lower end surface of the upper jig (1) is arranged in an arc-shaped structure, which is matched with the rear shell (4); the top of the upper jig (1) is provided with a positive pressure leak-free joint (12) and a negative pressure leak-free joint (13) on both sides, and a plurality of steel ball lockers (14) are evenly distributed on both sides of the bottom of the upper jig (1); and the lower jig (2) is provided with a locking sleeve (22) corresponding to the steel ball locker (14).

7. The cold-bending jig for assembling a vehicle-mounted LCM and a rear shell according to claim 1, characterized in that: The upper end surface of the lower fixture (2) is arranged in an arc-shaped structure, which cooperates with the vehicle-mounted LCM (5). A plurality of intermediate suction cups (23) are evenly distributed on the upper end surface of the lower fixture (2). Edge suction cups (24) are arranged on both sides of the intermediate suction cups (23). A vacuum groove (25) is arranged between the edge suction cups (24) and the intermediate suction cups (23). Handles (26) are respectively arranged on the side edges of both ends of the lower fixture (2).

8. The cold-bending jig for assembling a vehicle-mounted LCM and a rear shell according to claim 1, characterized in that: A positioning mechanism (6) for maintaining accurate alignment between the vehicle-mounted LCM (5) and the rear housing (4) is provided between the upper jig (1) and the lower jig (2); the positioning mechanism (6) comprises a fixing seat (61) provided at the lower ends of both sides of the upper jig (1), a guide column (62) connected to the lower end of the fixing seat (61), and a guide sleeve (63) installed at the top end of the lower jig (2); a connecting hole (631) corresponding to the guide column (62) is provided in the middle of the guide sleeve (63); and the connecting hole (631) extends downward and penetrates the lower jig (2).

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