Fixing clamp for machining of automobile engine cover

Abstract

The utility model relates to the technical field of fixing clamps for machining, in particular to a fixing clamp for machining an automobile engine cover, which is accurate in positioning, synchronous in clamping, wide in applicability and convenient to maintain. Comprising a base plate, first sliding rails, a supporting frame and a plurality of clamping mechanisms, the first sliding rails are symmetrically arranged at the two ends of the base plate, the supporting frame is slidably arranged on the first sliding rails, and the clamping mechanisms are slidably arranged on the supporting frame; the clamping mechanism comprises a mounting block, a first connecting piece and a second connecting piece are arranged on the two sides of the mounting block, a lower clamping plate is arranged on the first connecting piece, a second driving mechanism is arranged on the second connecting piece, a third connecting piece is arranged on the second driving mechanism, an upper clamping plate is arranged at the bottom of the third connecting piece, and the second driving mechanism is used for driving the third connecting piece and the upper clamping plate to move in the vertical direction. A control valve is arranged in the second driving mechanism, and the action of the upper clamping plates of the multiple clamping mechanisms is synchronously controlled through the control valve.

Description

Technical Field

[0001] The utility model relates to the technical field of a fixing fixture for processing, in particular to a fixing fixture for processing an automobile engine hood. Background Art

[0002] The automobile engine hood, commonly known as the hood or engine cover, is a movable shell component covering the top of the automobile engine compartment, which constitutes an important part of the front appearance of the car. Its processing accuracy has high requirements, and in order to ensure the processing accuracy, it must be stably fixed. However, due to the large size of the automobile engine hood and the order of the clamping claws in the product clamping process, the product may move slightly during the fixing process, resulting in inaccurate positioning. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a fixing fixture for processing automobile engine hoods, which has the advantages of accurate positioning, synchronous clamping, wide applicability and convenient maintenance.

[0004] The utility model discloses a fixing fixture for processing an automobile engine hood, comprising a base plate, a slide rail 1, a support frame and a plurality of clamping mechanisms, wherein the slide rail 1 is symmetrically arranged at both ends of the base plate, the support frame is slidably arranged on the slide rail 1, and the clamping mechanism is slidably arranged on the support frame; the clamping mechanism comprises a mounting block, a connecting member 1 and a connecting member 2 are arranged on both sides of the mounting block, a lower clamping plate is arranged on the connecting member 1, a driving mechanism 2 is arranged on the connecting member 2, a connecting member 3 is arranged on the driving mechanism 2, an upper clamping plate is arranged at the bottom of the connecting member 3, and the driving mechanism 2 is used for driving the connecting member 3 and the upper clamping plate to move in a vertical direction; a control valve is arranged in the driving mechanism 2, and the movement of the upper clamping plates of a plurality of clamping mechanisms is synchronously controlled by the control valve.

[0005] Furthermore, a second limiting plate is provided at the bottom of the support frame, a second limiting bolt is provided on the second limiting plate, and the support frame is fixed on the base plate through the second limiting bolt.

[0006] Furthermore, a limiting plate 1 is arranged at the bottom of the clamping mechanism, a limiting bolt 1 is arranged on the limiting plate 1, and the clamping mechanism is fixed to the support frame through the limiting bolt 1.

[0007] Furthermore, the support frame includes a channel steel, a slide rail 2 is arranged on the channel steel, a support column is arranged at the bottom of the channel steel, a mounting plate is arranged at the bottom of the support column, a recessed block 1 is arranged at the bottom of the mounting plate, the recessed block 1 corresponds to the slide rail 1, and the support frame slides on the slide rail 1 through the recessed block 1.

[0008] Furthermore, a rib plate is provided on the support column, and the rib plate is connected to the channel steel.

[0009] Furthermore, the clamping mechanism also includes a second recessed block, which corresponds to a second slide rail provided on the support frame. The clamping mechanism slides on the support frame through the second recessed block and the second slide rail. A fixed plate is provided on the second recessed block, and a driving mechanism 1 is provided on the fixed plate. The output end of the driving mechanism 1 is connected to the mounting block, and the driving mechanism 1 is used to drive the mounting block and its upper components to rotate horizontally.

[0010] Furthermore, the clamping surfaces of the upper clamping plate and the lower clamping plate are made of soft material.

[0011] Furthermore, baffles are provided at both ends of the base plate and the slide rail.

[0012] Furthermore, a sensor is provided on the clamping mechanism to monitor the force change during the clamping process in real time.

[0013] Furthermore, an emergency stop button electrically connected to the clamping mechanism is provided on the substrate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By adopting the slide rail one and the support frame structure, the clamping mechanism can flexibly adjust its position in three-dimensional space, ensuring that the fixture can accurately align with different parts of the engine hood cover, reducing processing errors caused by inaccurate fixation, and thus significantly improving processing accuracy; through the design of the built-in control valve of the driving mechanism two, the simultaneous and synchronous action of the clamping plates on multiple clamping mechanisms is achieved, ensuring that the overall clamping force is evenly distributed during the fixation process, preventing the product from micro-moving during the fixation process, and further improving the positioning stability; since the clamping mechanism can slide on the support frame, it can adapt to engine hood covers of different sizes and shapes, improving the versatility and flexibility of the processing equipment, and reducing the cost and time of replacing the fixture; the clamping mechanism with a modular design is easy to maintain and replace. If a component is damaged, it can be directly replaced without replacing the entire device, reducing long-term maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

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

[0018] Figure 2 It is a structural schematic diagram of the support frame of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the clamping mechanism of the utility model;

[0020] Markings in the attached drawings: 1. Base plate; 2. Slide rail 1; 3. Support frame; 4. Clamping mechanism; 5. Limit plate 1; 6. Limit bolt 1; 7. Limit plate 2; 8. Limit bolt 2; 9. Baffle; 31. Channel steel; 32. Slide rail 2; 33. Support column; 34. Mounting plate; 35. Concave block 1; 36. Rib plate; 41. Concave block 2; 42. Fixed plate; 43. Drive mechanism 1; 44. Mounting block; 45. Connector 1; 46. Connector 2; 47. Drive mechanism 2; 48. Connector 3; 49. Upper clamping plate; 50. Lower clamping plate. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] like Figures 1 to 3 As shown, the fixing fixture for processing an automobile engine hood of the utility model comprises a base plate 1, a slide rail 2, a support frame 3 and a plurality of clamping mechanisms 4, wherein the slide rail 2 is symmetrically arranged at both ends of the base plate 1, the support frame 3 is slidably arranged on the slide rail 2, and the clamping mechanism 4 is slidably arranged on the support frame 3; the clamping mechanism 4 comprises a mounting block 44, a connecting member 45 and a connecting member 46 are arranged on both sides of the mounting block 44, a lower clamping plate 50 is arranged on the connecting member 45, a driving mechanism 2 47 is arranged on the connecting member 46, a connecting member 3 48 is arranged on the driving mechanism 2 47, an upper clamping plate 49 is arranged at the bottom of the connecting member 3 48, and the driving mechanism 2 47 is used to drive the connecting member 3 48 and the upper clamping plate 49 to move in a vertical direction; a control valve is arranged in the driving mechanism 2 47, and the actions of the upper clamping plates 49 of the plurality of clamping mechanisms 4 are synchronously controlled by the control valve;

[0023] By adopting the structure of the slide rail 2 and the support frame 3, the clamping mechanism 4 can flexibly adjust its position in three-dimensional space, ensuring that the fixture can accurately align with different parts of the engine hood cover, reducing processing errors caused by inaccurate fixation, and thus significantly improving processing accuracy; through the design of the built-in control valve of the driving mechanism 2 47, the simultaneous and synchronous action of the clamping plates 49 on multiple clamping mechanisms 4 is achieved, ensuring that the overall clamping force is evenly distributed during the fixation process, preventing the product from generating micro-movements during the fixation process, and further improving the positioning stability; since the clamping mechanism 4 can slide on the support frame 3, it can adapt to engine hood covers of different sizes and shapes, thereby improving the versatility and flexibility of the processing equipment and reducing the cost and time of replacing the fixture; the clamping mechanism 4 with a modular design is easy to maintain and replace. If a component is damaged, the component can be directly replaced without replacing the entire device, thereby reducing long-term maintenance costs.

[0024] A limiting plate 27 is provided at the bottom of the support frame 3, and a limiting bolt 28 is provided on the limiting plate 27, and the support frame 3 is fixed to the base plate 1 through the limiting bolt 28; the support frame 3 is firmly fixed to the base plate 1 through the limiting bolt 28, which effectively prevents vibration or displacement during the processing, increases the stability and rigidity of the entire clamp device, and thus ensures the smooth progress of the processing and the processing accuracy; the precise positioning and installation of the support frame 3 is achieved through the coordinated use of the limiting plate 27 and the limiting bolt 28, ensuring that the position of the support frame 3 remains consistent during each assembly, which helps to maintain the consistency and quality control of the finished product.

[0025] As a preferred embodiment of the above-mentioned embodiment, a limiting plate 5 is provided at the bottom of the clamping mechanism 4, and a limiting bolt 6 is provided on the limiting plate 5, and the clamping mechanism 4 is fixed to the support frame 3 through the limiting bolt 6; the limiting bolt 6 ensures that the position of the clamping mechanism 4 on the support frame 3 is fixed and accurate, helps each clamping point to maintain a preset position, improves the positioning reliability during the processing, and thus ensures the accuracy of the processing size; the limiting plate 5 and the limiting bolt 6 ensure that the clamping mechanism 4 is firmly supported, reduces the vibration during the processing, and maintains good stability even under high-load processing conditions, which is beneficial to improving the processing surface quality and processing efficiency; makes the assembly and disassembly of the clamping mechanism 4 simpler and faster, facilitates daily inspection and maintenance, and reduces maintenance costs and complexity; effectively avoids accidental movement of the clamping mechanism 4 during operation, improves operation safety, and reduces potential risks of work-related injuries.

[0026] As a preferred embodiment of the above embodiment, the support frame 3 includes a channel steel 31, a slide rail 2 32 is arranged on the channel steel 31, a support column 33 is arranged at the bottom of the channel steel 31, a mounting plate 34 is arranged at the bottom of the support column 33, a recessed block 35 is arranged at the bottom of the mounting plate 34, the recessed block 35 corresponds to the slide rail 2, and the support frame 3 slides on the slide rail 2 through the recessed block 35; by adopting the channel steel 31 as the main body of the support frame 3, the strength and rigidity of the overall structure are enhanced, and it can withstand greater pressure and vibration during the processing, thereby ensuring the stability and safety of the processing; through the corresponding design of the recessed block 35 and the slide rail 2, the installation and adjustment of the support frame 3 becomes simple and quick, and the precise adjustment of the position can be achieved without complex tools, thereby improving the efficiency of production preparation.

[0027] As a preferred embodiment of the above embodiment, a rib plate 36 is provided on the support column 33, and the rib plate 36 is connected to the channel steel 31; the rib plate 36 serves as a reinforcing structure, which increases the lateral stability of the support frame 3 and provides additional support in the horizontal direction to resist lateral force and vibration, so that the fixture can still maintain good positioning stability and processing accuracy in a dynamic processing environment.

[0028] As a preferred embodiment of the above, the clamping mechanism 4 also includes a concave block 41, which corresponds to the second slide rail 32 provided on the support frame 3. The clamping mechanism 4 slides on the support frame 3 through the concave block 41 and the second slide rail 32. A fixing plate 42 is provided on the concave block 41, and a driving mechanism 43 is provided on the fixing plate 42. The output end of the driving mechanism 43 is connected to the mounting block 44. The driving mechanism 43 is used to drive the mounting block 44 and its upper components to rotate horizontally; through the cooperation between the concave block 41 and the second slide rail 32, the clamping mechanism 4 It can slide horizontally on the support frame 3, can quickly adjust the clamping position according to different workpiece sizes and processing requirements, and accurately align the various clamping points of the engine hood cover to ensure that each clamping can achieve the best positioning effect, thereby improving processing flexibility and efficiency; through the connection between the driving mechanism 43 and the mounting block 44, the mounting block 44 and the components thereon can rotate horizontally, thereby increasing the adaptability of the clamping mechanism 4 to complex workpiece shapes, especially when processing engine hood covers with curved surfaces or irregular edges, a more fitting clamping can be achieved.

[0029] As a preferred embodiment of the above embodiment, the clamping surfaces of the upper clamping plate 49 and the lower clamping plate 50 are made of soft material; the soft material is used to avoid scratches or indentations on the surface of the engine hood during the clamping process, thereby protecting the appearance quality and coating layer of the automotive parts; the soft material can provide better friction, keep the workpiece stable, reduce sliding or displacement during processing, and improve processing accuracy; it can adapt to more diverse workpiece shapes and surface conditions, and even slightly uneven surfaces can be effectively clamped through slight deformation of the material, increasing the versatility of the fixture; the clamping force is evenly distributed to avoid excessive stress concentration at specific points of the workpiece, reduce the risk of workpiece deformation, and protect the integrity of the workpiece structure.

[0030] As a preferred embodiment of the above embodiment, baffles 9 are provided at both ends of the base plate 1 and the slide rail 2; the baffles 9 effectively prevent the clamping mechanism 4 from detaching from the slide rail during extreme operation or accidental circumstances, thereby reducing safety hazards in the workplace and protecting the safety of operators and equipment.

[0031] As a preferred embodiment of the above embodiment, a sensor is provided on the clamping mechanism 4 to monitor the force changes during the clamping process in real time; the sensor can provide real-time feedback on the clamping force data, and the control system can automatically adjust the clamping force of the clamping mechanism 4 to ensure uniform force distribution on the entire clamping surface and reduce deformation or damage to the workpiece caused by uneven clamping force; when the sensor detects an abnormally high clamping force, it can promptly issue an alarm or automatically adjust to avoid damage to the workpiece or the fixture itself due to excessive clamping, thereby reducing unexpected downtime and maintenance costs in production.

[0032] As a preferred embodiment of the above embodiment, an emergency stop button electrically connected to the clamping mechanism 4 is provided on the substrate 1; through the emergency stop button, the operator can quickly press the stop button in an emergency to immediately cut off the power supply of the clamping mechanism 4 and stop all actions, effectively preventing the accident from expanding and protecting the safety of the operator.

[0033] The fixing fixture for processing an automobile engine hood of the utility model, when working, first places the automobile engine hood near a predetermined position of a base plate 1, and adjusts the position of a support frame 3 on a slide rail 2 by sliding according to the size and shape of the engine hood to ensure that the support frame 3 matches the engine hood; slides and adjusts the clamping mechanism 4 on the support frame 3 to align it with a preset clamping point of the engine hood; uses a limit plate 5, a limit bolt 6, a limit plate 7 and a limit bolt 8 to ensure that the support frame 3 and the clamping mechanism 4 are stably locked in the correct position; turns on the sensor monitoring , prepare to record the force changes during the clamping process in real time; start the driving mechanism 2 47, and synchronously control the upper clamping plate 49 of multiple clamping mechanisms 4 through the control valve to make it move downward in the vertical direction, and the soft clamping surfaces of the upper clamping plate 49 and the lower clamping plate 50 contact the cover, and gradually apply clamping force to the workpiece; during the processing, continuously monitor the clamping force through sensors to ensure stable clamping, and take measures to adjust or stop processing immediately once an abnormality is detected; after the processing is completed, perform the above steps in reverse, first release the clamping force, retract the upper clamping plate 49, and remove the engine hood from the fixture.

[0034] The fixing fixture for processing the automobile engine hood of the utility model has common mechanical installation, connection or setting methods, and any method that can achieve its beneficial effects can be implemented.

[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A fixing fixture for processing an automobile engine hood, characterized in that: The invention comprises a base plate (1), a slide rail (2), a support frame (3) and a plurality of clamping mechanisms (4), wherein the slide rail (2) is symmetrically arranged at both ends of the base plate (1), the support frame (3) is slidably arranged on the slide rail (2), and the clamping mechanism (4) is slidably arranged on the support frame (3); the clamping mechanism (4) comprises a mounting block (44), a connecting member (45) and a connecting member (46) are arranged on both sides of the mounting block (44), and a lower clamping member (46) is arranged on the connecting member (45). Plate (50), the second connecting member (46) is provided with a second driving mechanism (47), the second driving mechanism (47) is provided with a third connecting member (48), an upper clamping plate (49) is provided at the bottom of the third connecting member (48), the second driving mechanism (47) is used to drive the third connecting member (48) and the upper clamping plate (49) to move in a vertical direction; a control valve is provided in the second driving mechanism (47), and the movement of the upper clamping plates (49) of multiple clamping mechanisms (4) is synchronously controlled by the control valve.

2. The fixing fixture for processing an automobile engine hood as claimed in claim 1, characterized in that: A second limiting plate (7) is arranged at the bottom of the support frame (3), a second limiting bolt (8) is arranged on the second limiting plate (7), and the support frame (3) is fixed on the base plate (1) via the second limiting bolt (8).

3. The fixing fixture for processing an automobile engine hood as claimed in claim 1, characterized in that: A limiting plate (5) is provided at the bottom of the clamping mechanism (4), a limiting bolt (6) is provided on the limiting plate (5), and the clamping mechanism (4) is fixed to the support frame (3) via the limiting bolt (6).

4. The fixing fixture for processing an automobile engine hood as claimed in claim 1, characterized in that: The support frame (3) comprises a channel steel (31), a slide rail 2 (32) is arranged on the channel steel (31), a support column (33) is arranged at the bottom of the channel steel (31), a mounting plate (34) is arranged at the bottom of the support column (33), a recessed block 1 (35) is arranged at the bottom of the mounting plate (34), the recessed block 1 (35) corresponds to the slide rail 1 (2), and the support frame (3) slides on the slide rail 1 (2) through the recessed block 1 (35).

5. The fixing fixture for processing an automobile engine hood as claimed in claim 4, characterized in that: The support column (33) is provided with a rib plate (36), and the rib plate (36) is connected to the channel steel (31).

6. The fixing fixture for processing an automobile engine hood as claimed in claim 1, characterized in that: The clamping mechanism (4) further comprises a second concave block (41), the second concave block (41) corresponds to a second slide rail (32) provided on the support frame (3), the clamping mechanism (4) slides on the support frame (3) via the second concave block (41) and the second slide rail (32), a fixing plate (42) is provided on the second concave block (41), a driving mechanism (43) is provided on the fixing plate (42), an output end of the driving mechanism (43) is connected to the mounting block (44), and the driving mechanism (43) is used to drive the mounting block (44) and the components thereon to rotate horizontally.

7. The fixing fixture for processing an automobile engine hood as claimed in claim 6, characterized in that: The clamping surfaces of the upper clamping plate (49) and the lower clamping plate (50) are made of soft material.

8. The fixing fixture for processing an automobile engine hood as claimed in claim 1, characterized in that: Baffles (9) are provided at both ends of the base plate (1) and the slide rail (2).

9. The fixing fixture for processing an automobile engine hood as claimed in claim 1, characterized in that: The clamping mechanism (4) is provided with a sensor to monitor the force changes during the clamping process in real time.

10. The fixing fixture for processing an automobile engine hood as claimed in claim 1, characterized in that: An emergency stop button electrically connected to the clamping mechanism (4) is provided on the base plate (1).

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