Positioning module for assembling automobile chassis

Abstract

A positioning module for assembling an automobile chassis comprises an automobile body hoisting line, a chassis conveying line and lifting locking units which are sequentially arranged at intervals from top to bottom, the multiple lifting locking units are arranged at equal intervals in the conveying direction of the chassis conveying line, and multiple automobile body clamping frames are slidably mounted on the automobile body hoisting line; a plurality of chassis positioners are arranged on the chassis conveying line at equal intervals, a driving module is arranged at the top end of the vehicle body clamping frame and slidably connected with the vehicle body hoisting line through an overload clutch, a telescopic positioning rod is arranged at the bottom of the vehicle body clamping frame, and positioning guide holes matched with the telescopic positioning rod are formed in the tops of the chassis positioners. A limiting stopper is arranged at the top of the lifting locking unit and used for separating the chassis conveying line from the chassis positioner. And through the telescopic positioning rod and the positioning guide hole, the precision of the positioning module can be effectively improved, and the assembling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to a positioning module for assembling an automobile chassis. Background Art

[0002] The co-assembly process is the most complex process in the general assembly workshop. The components such as the front and rear suspensions of the chassis complete the "combination" and "assembly" processes with the body, directly affecting the production output, quality and efficiency. The integral co-assembly has high requirements for the body accuracy, component accuracy, pallet accuracy and positioning system. The integral static co-assembly system includes a conveying system and key components, etc. Among them, the positioning accuracy requirement for the automobile chassis in co-assembly is very high. If the accurate positioning cannot be achieved and once there is a problem in tightening, the adjustment period is long, which will affect the efficiency of the entire workshop. Content of the Utility Model

[0003] The purpose of the utility model is to provide a positioning module for assembling an automobile chassis to solve the problems existing in the above-mentioned prior art.

[0004] The above technical purpose of the utility model is achieved through the following technical solutions:

[0005] A positioning module for assembling an automobile chassis includes a body hoisting line, a chassis transportation line and a lifting and locking unit which are sequentially arranged at intervals from top to bottom. A plurality of the lifting and locking units are provided, and the plurality of lifting and locking units are arranged at equal intervals along the transportation direction of the chassis transportation line. A plurality of body clamping frames are slidably installed on the body hoisting line. A plurality of chassis positioners are arranged at equal intervals on the chassis transportation line. A driving module is arranged at the top of the body clamping frame. The driving module is slidably connected with the body hoisting line through an overload clutch. A telescopic positioning rod is arranged at the bottom of the body clamping frame. A positioning guide hole which is matched with the telescopic positioning rod is arranged at the top of the chassis positioner. A limit blocker is arranged at the top of the lifting and locking unit, and the limit blocker is used to separate the chassis transportation line from the chassis positioner.

[0006] By adopting the above technical solution, the overload clutch can cut off the transmission shaft at an appropriate time, so that the driving module no longer drives the body hoisting line to slide. This improves the stopping speed and stopping accuracy of the body hoisting line, enables the body clamping frame to stop the body at a proper position, and thus cooperates with the lifting and locking unit and the chassis transportation line to realize the co-assembly of the body and the chassis. Among them, a positioning guide hole which is matched with the telescopic positioning rod is also arranged on the chassis positioner. The accurate positioning of the chassis position can be realized through the telescopic positioning rod, the efficiency of co-assembly and tightening is improved, and the unnecessary waste of manpower and time caused by secondary rework is avoided.

[0007] In a further embodiment, a positioning guide is provided at the top end of the lifting rod of the lifting and locking unit, and a positioning guide groove cooperating with the positioning guide is provided at the bottom of the chassis.

[0008] By adopting the above technical solution, the cooperation between the positioning guide and the positioning guide groove can further improve the positioning accuracy and positioning speed of the two, and can also make it easier for the lifting and locking unit to match with the chassis and complete tightening.

[0009] In a further embodiment, a pressure sensor and an infrared switch are provided at the bottom end of the telescopic positioning rod, and the pressure sensor is used to measure the contact force between the bottom of the telescopic positioning rod and the positioning guide hole on the chassis locator.

[0010] By adopting the above technical solution, the pressure sensor can be used to judge whether the position between the telescopic positioning rod and the chassis is reasonable. If the data measured by the pressure sensor is consistent with the set data, the position of the telescopic positioning rod meets the requirements. If it exceeds or decreases, further adjustment is required. In addition to the infrared sensor, the pressure sensor can provide a non-direct measurement method.

[0011] In a further embodiment, the lifting and locking unit includes a base, a limit sliding rail, a mounting frame, a lifting motor and a locking unit. The limit sliding rail is horizontally and fixedly installed on the top of the base, the mounting frame is slidably installed on the limit sliding rail, the lifting motor is fixedly installed on the mounting frame, and the locking unit is fixedly installed on the top of the lifting motor.

[0012] By adopting the above technical solution, the limit sliding rail and the lifting unit provide two degrees of freedom of movement for the lifting and locking unit in two coordinate axes, and the lifting motor can rotate the locking unit to tighten the bolts of the vehicle chassis.

[0013] In a further embodiment, a driving motor is fixedly installed at the bottom of the mounting frame, a driving wheel is sleeved on the rotating shaft of the driving motor, and the surface of the driving wheel is attached to the surface of the limit sliding rail.

[0014] By adopting the above technical solution, the mounting frame realizes left and right lateral movement in the limit sliding rail through the rotation of the driving wheel sleeved on the driving motor. When adjusting the position of the lifting device, only need to make the driving motor rotate forward or backward.

[0015] In a further embodiment, an anti-slip layer is provided on the surface of the driving wheel.

[0016] By adopting the above technical solution, the anti-slip layer can ensure the safety and controllability of this driving method.

[0017] In a further embodiment, a plurality of drive motors are provided.

[0018] By adopting the above technical solution, the multiple drive motors are adapted to multiple different drive wheels. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure in a positioning module for assembling an automobile chassis according to the present utility model;

[0020] Figure 2 is a schematic diagram showing the structure of a chassis positioner in a positioning module for assembling an automobile chassis according to the present utility model;

[0021] Figure 3 is a schematic diagram showing the structure of a locking unit in a positioning module for assembling an automobile chassis according to the present utility model.

[0022] In the figures, 1, body hoisting line; 2, chassis transportation line; 3, lifting and locking unit; 31, base; 32, limit slide rail; 33, mounting bracket; 34, lifting motor; 35, locking mechanism; 4, body clamping bracket; 5, telescopic positioning rod; 6, chassis positioner; 7, drive module; 8, overload clutch; 9, limit stopper; 10, positioning guide; 11, pressure sensor; 12, infrared switch; 13, drive motor; 14, drive wheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0024] Among them, the same components are denoted by the same reference numerals. It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "bottom surface" and "top surface", "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this specification, "a plurality of" means two or more unless otherwise specifically defined. Figure 1

[0025]

[0026] Figures 1 - 3 ​​​As shown in the figure, a positioning module for automobile chassis assembly includes a body hoisting line 1, a chassis transportation line 2, and a lifting and locking unit 3 that are sequentially arranged at intervals from top to bottom. There are multiple lifting and locking units 3, which are equally spaced along the transportation direction of the chassis transportation line 2. A positioning guide 10 is provided at the top of the lifting rod of the lifting and locking unit 3, and a positioning guide groove that cooperates with the positioning guide 10 is provided at the bottom of the chassis. The lifting and locking unit 3 includes a base 31, a limit slide rail 32, a mounting frame 33, a lifting motor 34, and a locking mechanism 35. The limit slide rail 32 is horizontally and fixedly installed on the top of the base 31. The mounting frame 33 is slidably installed on the limit slide rail 32. The lifting motor 34 is fixedly installed on the mounting frame 33. The locking mechanism 35 is fixedly installed on the top of the lifting motor 34. A driving motor 13 is fixedly installed at the bottom of the mounting frame 33. There are multiple driving motors 13. A driving wheel 14 is sleeved on the rotating shaft of the driving motor 13. The surface of the driving wheel 14 is in contact with the surface of the limit slide rail 32. A non-slip layer is provided on the surface of the driving wheel 14. The lifting and locking unit 3 is positioned by the positioning guide 10 at the top of the lifting rod, and a positioning guide groove that cooperates with the positioning guide 10 is also provided at the bottom of the chassis. Through the cooperation of the groove and the rod, precise positioning of the lifting and locking device can be achieved. The preliminary positioning of the lifting and locking device depends on the rotation of the driving motor 13 at the bottom of the mounting frame 33 within the limit slide rail 32 to control the left or right movement of the lifting device, and the tightening is completed through the cooperation of the lifting motor 34 and the locking mechanism 35.

[0027] As Figures 1 - 3 As shown in the figure, multiple body clamping frames 4 are slidably installed on the body hoisting line 1. Multiple chassis positioners 6 are equally spaced on the chassis transportation line 2. A driving module 7 is provided at the top of the body clamping frame 4. The driving module 7 is slidably connected to the body hoisting line 1 through an overload clutch 8. A telescopic positioning rod 5 is provided at the bottom of the body clamping frame 4. A positioning guide hole that cooperates with the telescopic positioning rod 5 is provided at the top of the chassis positioner 6. A limit stopper 9 is provided at the top of the lifting and locking unit 3. The limit stopper 9 is used to separate the chassis transportation line 2 from the chassis positioner 6. A pressure sensor 11 and an infrared switch 12 are provided at the bottom end of the telescopic positioning rod 5. The pressure sensor 11 is used to measure the contact force between the bottom of the telescopic positioning rod 5 and the positioning guide hole on the chassis positioner 6. The lifting and locking unit 3 is positioned by the positioning guide 10 at the top of the lifting rod, and a positioning guide groove that cooperates with the positioning guide 10 is also provided at the bottom of the chassis. Through the cooperation of the groove and the rod, precise positioning of the lifting and locking device can be achieved. The lifting and locking device depends on the rotation of the driving motor 13 at the bottom of the mounting frame 33 within the limit slide rail 32 to control the rise or fall of the entire device, and the tightening is completed through the cooperation of the lifting motor 34 and the locking mechanism 35.

[0028] Specific implementation process: The body transported by the body hoisting line 1 corresponds to the chassis transported by the chassis transportation line 2. After the positions match, the lifting and locking unit 3 lifts the chassis and tightens the bolts on the body chassis so that the chassis can be fixed to the body. A positioning guide 10 is provided on the lifting and locking unit 3 for cooperation with the positioning guide groove at the bottom of the chassis. On the body clamping frame 4 of the body hoisting line 1, a telescopic positioning rod 5 is also provided, which can cooperate with the chassis positioner 6 on the chassis transportation line 2 for positioning. The pressure sensor 11 provided on the telescopic positioning rod 5 can sense whether the height of the telescopic rod meets the requirements, and the infrared switch 12 can further ensure safety. After being assembled, it is finally tightened by the lifting and locking unit 3.

[0029] In the embodiments disclosed in the present utility model, terms such as "installation", "connection", "coupling", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "coupling" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments disclosed in the present utility model can be understood according to specific circumstances.

[0030] This specific embodiment is only an explanation of the present utility model and is not a limitation thereof. After reading this specification, those skilled in the art can make modifications to this embodiment that do not contribute creatively as needed, but as long as it is within the scope of the claims of the present utility model, it is protected by the patent law.

Claims

1. A positioning module for automobile chassis assembly, comprising a body hoisting line (1), a chassis transportation line (2) and a lifting and locking unit (3) which are sequentially arranged at intervals from top to bottom. A plurality of the lifting and locking units (3) are provided, and the plurality of lifting and locking units (3) are arranged at equal intervals along the transportation direction of the chassis transportation line (2). A plurality of body clamping frames (4) are slidably installed on the body hoisting line (1), and a plurality of chassis positioners (6) are arranged at equal intervals on the chassis transportation line (2), characterized in that: A driving module (7) is provided at the top of the vehicle body clamping frame (4). The driving module (7) is slidably connected to the vehicle body hoisting line (1) through an overload clutch (8). A telescopic positioning rod (5) is provided at the bottom of the vehicle body clamping frame (4). A positioning guide hole that cooperates with the telescopic positioning rod (5) is provided at the top of the chassis positioner (6). A limit stopper (9) is provided at the top of the lifting and locking unit (3). The limit stopper (9) is used to separate the chassis transportation line (2) from the chassis positioner (6).

2. The positioning module for assembling an automotive chassis according to claim 1, characterized in that: A positioning guide (10) is provided at the top of the lifting rod of the lifting and locking unit (3). A positioning guide groove that cooperates with the positioning guide (10) is provided at the bottom of the chassis.

3. The positioning module for assembling an automobile chassis according to claim 1, characterized in that: A pressure sensor (11) and an infrared switch (12) are provided at the bottom end of the telescopic positioning rod (5). The pressure sensor (11) is used to measure the contact force between the bottom of the telescopic positioning rod (5) and the positioning guide hole on the chassis positioner (6).

4. A positioning module for assembling an automobile chassis according to claim 1, characterized in that: The lifting and locking unit (3) includes a base (31), a limit slide rail (32), a mounting frame (33), a lifting motor (34), and a locking mechanism (35). The limit slide rail (32) is horizontally and fixedly installed at the top of the base (31). The mounting frame (33) is slidably installed on the limit slide rail (32). The lifting motor (34) is fixedly installed on the mounting frame (33). The locking mechanism (35) is fixedly installed on the top of the lifting motor (34).

5. The positioning module for assembling an automobile chassis according to claim 4, wherein: A driving motor (13) is fixedly installed at the bottom of the mounting frame (33). A driving wheel (14) is sleeved on the rotating shaft of the driving motor (13). The surface of the driving wheel (14) is attached to the surface of the limit slide rail (32).

6. The positioning module for assembling an automobile chassis according to claim 5, characterized in that: A non-slip layer is provided on the surface of the driving wheel (14).

7. The positioning module for assembling an automotive chassis according to claim 5, characterized in that: A plurality of driving motors (13) are provided.

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