Positioning clamp switching device

Abstract

The utility model discloses a positioning clamp switching device which comprises a base, a guide rail, a clamp module, a positioning mechanism, a driving mechanism and a control mechanism. The device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, can be designed according to different vehicle types through the adaptive shape part of the arranged clamp module, realizes rapid assembly and replacement, and improves the adaptability of the device to different vehicle types; according to the utility model, the inclined plane block, the cam, the sliding block and the locking piece in the positioning mechanism are matched, so that the fixture is ensured to quickly move to a preset position and be locked, and the welding accuracy is improved; according to the utility model, through the cooperation of the operating rod, the lever sliding group and the transmission rod of the control mechanism, the flexibility of the system is increased, and different clamp modules can be manually and quickly switched and positioned.

Description

Technical field:

[0001] The utility model relates to the field of positioning fixture switching, in particular to a positioning fixture switching device. Background technology:

[0002] Traditional automotive welding and assembly production lines are designed for a single vehicle model, with a separate welding and assembly line for each model. This results in low production efficiency and limited equipment versatility, making it incapable of meeting current automotive planning trends. For new vehicle production plans, the practice of building a single welding and assembly line for each model must be abandoned. Instead, welding and assembly lines must be able to accommodate the flexible mixing of multiple models.

[0003] The existing welding production line fixture design basically adopts a fixed method, that is, the fixtures are distributed on the welding line, each clamping point is fixed, and automatic switching cannot be achieved, resulting in low flexible production capacity of multiple models of production lines. Generally, one line can only produce one model. Therefore, a positioning fixture switching device is proposed. Utility model content:

[0004] The purpose of the present utility model is to provide a positioning fixture switching device in order to solve the above-mentioned problem, which solves the problem that the fixture design of the existing welding production line basically adopts a fixed method, that is, the fixture is distributed on the welding line, each clamping point is fixed, and automatic switching cannot be achieved, which leads to low flexible production capacity of multiple models of production lines, and generally one line can only produce one model of vehicle.

[0005] In order to solve the above problems, the utility model provides a technical solution: a positioning fixture switching device, comprising a base, a guide rail, a fixture module, a positioning mechanism, a driving mechanism and a control mechanism; the guide rail is fixedly connected to the center of the upper end of the base; the fixture module is slidably connected to the guide rail; the specific structure of the fixture module is: comprising a module body, an adaptable shape part and a connecting slider; an adaptable shape part is provided at the upper center of the module body; connecting sliders are fixedly connected on both sides of the lower end of the module body, and the connecting sliders are slidably connected to the guide rail; the positioning mechanism is arranged on both sides of the upper end of the base; the The specific structure of the positioning mechanism is: it includes an inclined plane block, a cam, a slider and a locking piece; the inclined plane blocks are fixedly connected to both sides of the upper end of the base; the slider is slidably connected to the inclined plane block; the slider is connected to the cam, and one end of the slider is connected to the locking piece; the driving mechanism is connected to one side of the base; the specific structure of the driving mechanism is: it includes a cylinder, a piston rod, and a connecting block; one side of the base is fixedly connected to the cylinder, and one end of the cylinder is connected to the piston rod; one end of the piston rod is fixedly connected to the connecting block, and the connecting block is connected to the clamp module; the control mechanism is arranged on the other side of the base.

[0006] Preferably, the surface of the adaptable shape portion is provided with anti-slip grooves.

[0007] Preferably, the connection between the slider and the cam is a movable connection.

[0008] Preferably, the specific structure of the control mechanism is: it includes an operating rod, a lever slide group and a transmission rod; the other side of the base is movably connected with an operating rod; the operating rod is connected to the lever slide group; the lever slide group is connected to the transmission rod, and the transmission rod is connected to the clamp module.

[0009] Preferably, an anti-slip cover is provided on the outer surface of the operating rod.

[0010] Preferably, the transmission rod is made of alloy steel.

[0011] The beneficial effects of the present invention are as follows: (1) The present invention has a reasonable and simple structure, low production cost, easy installation, and complete functions. The adaptable shape part of the clamp module can be designed according to different vehicle models, which enables rapid assembly and replacement and improves the adaptability of the device to different vehicle models.

[0012] (2) The utility model ensures that the clamp is quickly moved to the predetermined position and locked by cooperating the inclined block, cam, slider and locking member in the positioning mechanism, thereby improving the welding accuracy.

[0013] (3) The present invention increases the flexibility of the system by cooperating the operating lever, lever slide group and transmission rod of the control mechanism, and can manually and quickly switch and position different fixture modules. Description of the drawings:

[0014] Figure 1 It is a structural diagram of the present utility model.

[0015] Figure 2 This is a structural diagram of the fixture module of the present invention.

[0016] Figure 3 It is a structural schematic diagram of the positioning mechanism of the present utility model.

[0017] Figure 4 It is a structural schematic diagram of the driving mechanism of the utility model.

[0018] 1-base; 2-guide rail; 3-clamp module; 4-positioning mechanism; 5-driving mechanism; 6-control mechanism; 7-module body; 8-adaptive shape part; 9-connecting slider; 10-inclined block; 11-cam; 12-slider; 13-locking member; 14-cylinder; 15-piston rod; 16-connecting block; 17-operating lever; 18-lever slide group; 19-transmission rod. Specific implementation method:

[0019] like Figures 1 to 4 As shown, this specific embodiment adopts the following technical solutions: a positioning fixture switching device, including a base 1, a guide rail 2, a fixture module 3, a positioning mechanism 4, a driving mechanism 5 and a control mechanism 6; the guide rail 2 is fixedly connected to the center of the upper end of the base 1; the fixture module 3 is slidably connected to the guide rail 2; the specific structure of the fixture module 3 is: including a module body 7, an adaptive shape part 8 and a connecting slider 9; an adaptive shape part 8 is provided at the upper center of the module body 7; connecting sliders 9 are fixedly connected on both sides of the lower end of the module body 7, and the connecting slider 9 is slidably connected to the guide rail 2; the positioning mechanism 4 is arranged on both sides of the upper end of the base 1; the specific structure of the positioning mechanism 4 is: including an inclined surface Block 10, cam 11, slider 12 and locking piece 13; inclined plane blocks 10 are fixedly connected on both sides of the upper end of the base 1; a slider 12 is slidably connected to the inclined plane block 10; a cam 11 is connected to the slider 12, and one end of the slider 12 is connected to the locking piece 13; the driving mechanism 5 is connected to one side of the base 1; the specific structure of the driving mechanism 5 is: it includes a cylinder 14, a piston rod 15, and a connecting block 16; a cylinder 14 is fixedly connected to one side of the base 1, and one end of the cylinder 14 is connected to the piston rod 15; one end of the piston rod 15 is fixedly connected to the connecting block 16, and the connecting block 16 is connected to the clamp module 3; the control mechanism 6 is arranged on the other side of the base 1.

[0020] The surface of the adapting shape portion 8 is provided with anti-slip grooves; the connection between the slider 12 and the cam 11 is a movable connection.

[0021] like Figures 1 to 4 As shown, the specific structure of the control mechanism 6 is: it includes an operating rod 17, a lever slide group 18 and a transmission rod 19; the operating rod 17 is movably connected to the other side of the base 1; the operating rod 17 is connected to the lever slide group 18; the lever slide group 18 is connected to the transmission rod 19, and the transmission rod 19 is connected to the clamp module 3.

[0022] The outer surface of the operating rod 17 is provided with an anti-slip sleeve; the transmission rod 19 is made of alloy steel.

[0023] The use of the present invention is as follows: the present invention has a reasonable and simple structure, low production cost, easy installation, and complete functions. When the fixture needs to be switched to adapt to the welding of different vehicle models, the existing hydraulic or pneumatic source in the workshop drives the cylinder 14, the piston rod 15 pushes the connecting block 16, and the connecting block 16 drives the fixture module 3 to slide on the guide rail 2. When the vehicle enters the station, the cam 11 and the slider 12 of the positioning mechanism 4 slide on the inclined block 10, so that the fixture module 3 is quickly moved to the predetermined position, and then locked by the locking member 13. If the manual mode is adopted, the operator operates the operating lever 17 to drive the lever slide group 18 to move, the lever slide group 18 pushes the transmission rod 19, and the transmission rod 19 drives the fixture module 3 to slide to the appropriate position on the guide rail 2, and then uses the positioning mechanism 4 to lock it. The adaptive shape part 8 of the fixture module 3 is designed according to different vehicle models and can be quickly assembled and replaced, thereby improving the efficiency of fixture switching and meeting the needs of multi-model co-production.

[0024] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated 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. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0026] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

[0027] The control method of the present invention is to manually start and stop the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field. Moreover, the present invention is mainly used to protect mechanical devices. Therefore, the control method and wiring arrangement are not explained in detail in the present invention.

Claims

1. A positioning fixture switching device, characterized in that: It comprises a base (1), a guide rail (2), a fixture module (3), a positioning mechanism (4), a driving mechanism (5) and a control mechanism (6); The guide rail (2) is fixedly connected to the center of the upper end of the base (1); The clamp module (3) is slidably connected to the guide rail (2); The specific structure of the clamp module (3) is as follows: it includes a module body (7), an adaptable shape portion (8) and a connecting slider (9); An adaptable shape portion (8) is provided at the upper center of the module body (7); Connecting sliders (9) are fixedly connected to both sides of the lower end of the module body (7), and the connecting sliders (9) are slidably connected to the guide rails (2); The positioning mechanism (4) is arranged on both sides of the upper end of the base (1); The specific structure of the positioning mechanism (4) is as follows: it includes a ramp block (10), a cam (11), a slider (12) and a locking member (13); Inclined blocks (10) are fixedly connected to both sides of the upper end of the base (1); A slider (12) is slidably connected to the inclined surface block (10); The slider (12) is connected to a cam (11), and one end of the slider (12) is connected to a locking member (13); The driving mechanism (5) is connected to one side of the base (1); The specific structure of the driving mechanism (5) is as follows: it includes a cylinder (14), a piston rod (15), and a connecting block (16); A cylinder (14) is fixedly connected to one side of the base (1), and a piston rod (15) is connected to one end of the cylinder (14); One end of the piston rod (15) is fixedly connected to a connecting block (16), and the connecting block (16) is connected to the clamp module (3); The control mechanism (6) is arranged on the other side of the base (1).

2. The positioning fixture switching device according to claim 1, characterized in that: The surface of the adapting shape portion (8) is provided with anti-slip grooves.

3. The positioning fixture switching device according to claim 1, characterized in that: The connection between the slider (12) and the cam (11) is a movable connection.

4. The positioning fixture switching device according to claim 1, characterized in that: The specific structure of the control mechanism (6) is as follows: it includes an operating rod (17), a lever slide group (18) and a transmission rod (19); The other side of the base (1) is movably connected to an operating rod (17); The operating rod (17) is connected to a lever slide group (18); The lever slide group (18) is connected to a transmission rod (19), and the transmission rod (19) is connected to the clamp module (3).

5. The positioning fixture switching device according to claim 4, characterized in that: The outer surface of the operating rod (17) is provided with an anti-slip sleeve.

6. The positioning fixture switching device according to claim 4, characterized in that: The transmission rod (19) is made of alloy steel.

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