Automobile engine fan bracket punching equipment

Abstract

The utility model discloses punching equipment for an automobile engine fan bracket. The punching equipment comprises a rack, a chuck is installed above the rack, the bottom of the chuck is connected with the rack through a hollow main shaft, a first telescopic cylinder is arranged below the hollow main shaft, a piston rod of the first telescopic cylinder is arranged in the hollow main shaft in a penetrating mode in the vertical direction, and a push plate is installed at the top end of the piston rod. A liftable gear box is installed over the chuck, a second motor is arranged at the top of the gear box, an output shaft of the second motor extends into the gear box, a driving gear is installed on the output shaft of the second motor, and at least two driven gears connected with the driving gear in a meshed mode are arranged on the periphery of the driving gear; the driven gears are installed on driven shafts respectively, sleeves are installed at the bottom ends of the driven shafts, and drill bits are installed in the sleeves. According to the utility model, synchronous drilling of a plurality of hole sites can be carried out, the drilling efficiency is improved, the fan bracket in the chuck can be automatically disassembled, and the problem that the fan bracket is difficult to disassemble due to overlarge clamping force is solved.

Description

Technical Field

[0001] The utility model relates to a punching device for an automobile engine fan bracket, belonging to the technical field of fan bracket punching. Background Technique

[0002] The engine fan is an important part of the engine cooling system. It drives air flow to reduce the engine temperature and keep the engine working within an appropriate temperature range. The normal operation of the engine fan is crucial for the performance, life and fuel efficiency of the engine.

[0003] Multiple mounting holes for installing the fan are machined in the end face of the fan bracket. The patent number CN212664963U discloses a drilling machine tool for a fan bracket with an adjustable distance mechanism, including: a base plate, an electric telescopic rod, a motor, a top plate, a punching tool and a handheld column. The electric telescopic rod is fixedly installed on the upper surface of the base plate, the top plate is fixedly installed at the upper end of the electric telescopic rod, the motor is fixedly installed on one side of the electric telescopic rod on the lower surface of the top plate, and the punching tool is fixedly installed on the side of the lower surface of the top plate away from the motor. The drilling machine tool for the fan bracket with an adjustable distance mechanism provided by the utility model is beneficial to drill the workpiece, is easy to operate, and improves the convenience of use for the user.

[0004] Regarding the technical solution disclosed in the above patent document, through practice, the following technical problems are considered to still exist:

[0005] 1. By drilling holes on the surface of the workpiece with a punching tool, only one single hole can be processed each time. Since multiple holes need to be machined in the end face of the fan bracket, the processing efficiency of the above drilling machine tool needs to be improved;

[0006] 2. The fan bracket is inserted into the chuck hole and clamped and locked by the jaws. After the processing is completed, it is necessary to manually remove the fan bracket from the chuck. Sometimes, due to excessive clamping force, it is difficult to remove the fan bracket.

[0007] In summary, the existing technology obviously has inconveniences and defects in actual use, so it is necessary to improve it. Content of the Utility Model

[0008] Aiming at the deficiencies in the background technique, the utility model provides a punching device for an automobile engine fan bracket, which can perform synchronous drilling of multiple holes, improve the drilling efficiency, and can also automatically remove the fan bracket in the chuck, solving the problem that it is difficult to remove the fan bracket due to excessive clamping force.

[0009] To solve the above technical problems, the utility model adopts the following technical solutions:

[0010] An automobile engine fan bracket drilling device, comprising a frame, a chuck is installed above the frame, and a plurality of chucks are arranged inside the chuck; the bottom of the chuck is connected to the frame through a hollow main shaft, and a first telescopic cylinder is arranged below the hollow main shaft, and the piston rod of the first telescopic cylinder penetrates vertically inside the hollow main shaft, and a push plate is installed at the top of the piston rod;

[0011] A liftable gear box is installed directly above the chuck. A second motor is arranged at the top of the gear box. The output shaft of the second motor extends into the interior of the gear box. A driving gear is installed on the output shaft of the second motor. At least two driven gears meshed with it are arranged around the driving gear; the driven gears are respectively installed on driven shafts, and a sleeve is installed at the bottom end of the driven shaft, and a drill bit is installed inside the sleeve.

[0012] Further, the hollow main shaft penetrates vertically through a bearing seat, and the bearing seat rotatably supports it.

[0013] Further, the bottom end of the hollow main shaft is drivingly connected to a first motor through a gear, and the first motor drives the chuck and the fan bracket to perform a step-by-step rotation through the hollow main shaft.

[0014] Further, the driven shaft is rotatably installed inside the gear box, and the bottom end of the driven shaft passes through the bottom of the gear box.

[0015] Further, the gear box and the second motor are fixedly connected to the side of a lifting plate, and the lifting plate is connected to a linear slide rail through a slider.

[0016] Further, the linear slide rail is fixedly connected to the upper surface of the frame in the vertical direction.

[0017] Further, the side of the lifting plate is connected to the piston rod of a second telescopic cylinder through a connecting block, and the cylinder body of the second telescopic cylinder is fixedly arranged in the vertical direction.

[0018] Further, the cylinder body of the first telescopic cylinder is fixedly arranged.

[0019] After the present utility model adopts the above technical solutions, compared with the prior art, it has the following advantages:

[0020] The second motor synchronously drives at least two drill bits to rotate at high speed through gear transmission. During the high-speed rotation of the drill bits, the second telescopic cylinder drives the drill bits to feed vertically, and synchronously drills multiple holes in the chuck, significantly improving the drilling efficiency;

[0021] After drilling is completed, the chuck releases the clamping of the fan bracket, and the first telescopic cylinder drives the push plate to rise, and automatically pushes out and removes the fan bracket in the chuck vertically, solving the problem of difficult disassembly due to excessive clamping force.

[0022] The present utility model will be described in detail below in conjunction with the drawings and embodiments. Description of the Drawings

[0023] Figure 1 is a schematic structural view of the present utility model;

[0024] Figure 2 is a schematic diagram of the drive of the drill bit.

[0025] In the figure, 1 - frame, 2 - chuck, 3 - jaw, 4 - hollow main shaft, 5 - bearing seat, 6 - first telescopic cylinder, 7 - push plate, 8 - first motor, 9 - gearbox, 10 - second motor, 11 - lifting plate, 12 - driving gear, 13 - driven gear, 14 - driven shaft, 15 - sleeve, 16 - drill bit, 17 - linear slide rail, 18 - second telescopic cylinder, 19 - connecting block, 20 - fan bracket. Detailed Embodiment

[0026] For a clearer understanding of the technical features, objectives, and effects of the present utility model, the specific embodiments of the present utility model will now be described with reference to the drawings.

[0027] As Figure 1 and Figure 2 collectively shown, the present utility model provides a punching device for an automotive engine fan bracket, including a frame 1, a chuck 2 rotatably connected to the upper part of the frame 1, and a plurality of jaws 3 for clamping the fan bracket 20 are arranged inside the chuck 2.

[0028] The bottom of the chuck 2 is connected to the frame 1 through a hollow main shaft 4, and the hollow main shaft 4 is vertically arranged inside the bearing seat 5, and the bearing seat 5 rotatably supports it.

[0029] A first telescopic cylinder 6 is arranged below the hollow main shaft 4. The cylinder body of the first telescopic cylinder 6 is fixedly arranged, and the piston rod of the first telescopic cylinder 6 is vertically arranged inside the hollow main shaft 4, and the top end of the piston rod is provided with a push plate 7. The push plate 7 can lift and lower with the first telescopic cylinder 6, and can push out the fan bracket 20 inside the chuck 2 in the vertical direction.

[0030] The bottom end of the hollow main shaft 4 is in transmission connection with a first motor 8 through a gear, and the first motor 8 drives the chuck 2 and the fan bracket 20 to perform step-by-step rotation through the hollow main shaft 4.

[0031] A liftable gearbox 9 is installed directly above the chuck 2. A second motor 10 is arranged at the top of the gearbox 9. The output shaft of the second motor 10 extends into the interior of the gearbox 9. A driving gear 12 is installed on the output shaft of the second motor 10, and at least two driven gears 13 meshed with it are arranged around the driving gear 12.

[0032] The driven gears 13 are respectively mounted on a driven shaft 14. The driven shaft 14 is rotatably mounted inside a gearbox 9. The bottom end of the driven shaft 14 passes through the bottom of the gearbox 9. Sleeve 15s are respectively mounted on the bottom ends of the driven shaft 14. Inside the sleeve 15s, drills 16 for drilling the fan bracket 20 are mounted. The second motor 10 synchronously drives at least two drills 16 to rotate at high speed through a gear drive.

[0033] The gearbox 9 and the second motor 10 are fixedly connected to the side of a lifting plate 11. The lifting plate 11 is connected to a linear slide rail 17 through a slider. The linear slide rail 17 is fixedly connected to the upper surface of the frame 1 in the vertical direction.

[0034] The side of the lifting plate 11 is connected to the piston rod of a second telescopic cylinder 18 through a connecting block 19. The cylinder body of the second telescopic cylinder 18 is fixedly arranged in the vertical direction. The second telescopic cylinder 18 drives the drill 16 to feed in the vertical direction.

[0035] The specific working principle of the present utility model:

[0036] The fan bracket 20 to be drilled is inserted into the chuck 2 and clamped by the jaws 3. The second motor 10 synchronously drives at least two drills 16 to rotate at high speed through a gear drive. During the high-speed rotation of the drills 16, the second telescopic cylinder 18 drives the drills 16 to feed in the vertical direction, and synchronous drilling of multiple holes is performed on the chuck 2. After drilling is completed, the drills 16 return to the initial height, the jaws 3 release the clamping of the fan bracket 20, and then the first telescopic cylinder 6 drives the push plate 7 to rise, and the fan bracket 20 in the chuck 2 is automatically pushed out in the vertical direction.

[0037] The above is an example of the best implementation mode of the present utility model. The parts not described in detail are all common general knowledge of those skilled in the art. The protection scope of the present utility model is subject to the content of the claims. Any equivalent transformation based on the technical inspiration of the present utility model is also within the protection scope of the present utility model.

Claims

1. A punching device for a fan bracket of an automobile engine, comprising a frame (1), a chuck (2) mounted above the frame (1), a plurality of claws (3) disposed in the chuck (2), and characterized in that: The bottom of the chuck (2) is connected to the frame (1) via a hollow main shaft (4), a first telescopic cylinder (6) is provided below the hollow main shaft (4), a piston rod of the first telescopic cylinder (6) is vertically inserted into the hollow main shaft (4), and a push plate (7) is installed at the top end of the piston rod; A gear box (9) that can be lifted and lowered is installed just above the chuck (2). A second motor (10) is provided on the top of the gear box (9). The output shaft of the second motor (10) extends into the interior of the gear box (9). A driving gear (12) is installed on the output shaft of the second motor (10). At least two driven gears (13) are arranged around the driving gear (12) and meshed with the driving gear (12). The driven gears (13) are respectively installed on driven shafts (14). A sleeve (15) is installed on the bottom end of the driven shaft (14), and a drill bit (16) is installed inside the sleeve (15).

2. The punching device for an automobile engine fan bracket according to claim 1, characterized in that: The hollow main shaft (4) is vertically inserted into the bearing seat (5), and the bearing seat (5) rotatably supports the main shaft.

3. The punching device for an automobile engine fan bracket according to claim 2, characterized in that: The bottom end of the hollow main shaft (4) is connected to the first motor (8) through a gear, and the first motor (8) drives the chuck (2) and the fan bracket (20) to rotate step by step through the hollow main shaft (4).

4. The punching device for the fan bracket of an automotive engine according to claim 1, wherein: The driven shaft (14) is rotatably mounted inside the gear box (9), and the bottom end of the driven shaft (14) passes through the bottom of the gear box (9).

5. The punching device for the fan bracket of an automotive engine according to claim 1, wherein: The gear box (9) and the second motor (10) are fixed to the side of the lifting plate (11), and the lifting plate (11) is connected to the linear slide rail (17) through a slider.

6. The punching device for the fan bracket of an automotive engine according to claim 5, wherein: The linear slide rail (17) is fixed to the upper surface of the frame (1) in a vertical direction.

7. The punching device for the fan bracket of an automotive engine according to claim 6, characterized in that: The side of the lifting plate (11) is connected to the piston rod of the second telescopic cylinder (18) through a connecting block (19), and the cylinder body of the second telescopic cylinder (18) is fixedly arranged in the vertical direction.

8. The punching device for the fan bracket of an automobile engine according to claim 1, characterized in that: The cylinder body of the first telescopic cylinder (6) is fixed.

Images