Automatic seam pressing machine for welding seam of hub of electric vehicle

Abstract

The utility model provides an automatic seam pressing machine for electric vehicle hub welding seams. The automatic seam pressing machine comprises a base, a seam pressing mechanism, a pressing mechanism and a pushing-out mechanism. The seam pressing mechanism comprises a frame, an upper rolling mechanism, a lower rolling mechanism and a sliding hydraulic cylinder, and the upper rolling mechanism comprises an upper sliding plate slidably connected to the frame, a seam pressing hydraulic cylinder arranged at the top of the upper sliding plate, a roller seat in driving connection with the seam pressing hydraulic cylinder and an upper roller rotationally connected to the roller seat; the lower rolling mechanism comprises an X-axis sliding rail arranged at the top of the base, a lower sliding plate slidably connected to the X-axis sliding rail and fixedly connected with the upper sliding plate, and a lower rolling wheel rotationally connected to the lower sliding plate, and a sliding hydraulic cylinder is arranged on one side of the frame and used for driving the upper sliding plate and the lower sliding plate to move in the X-axis direction; the pressing mechanism is used for pressing the two ends of the hub to the tops of the X-axis sliding rails. The push-out mechanism is used for pushing out the hub from the X-axis sliding rail, the automation degree of production can be improved, manpower is saved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub processing equipment, in particular to an automatic welding seam pressing machine for an electric vehicle wheel hub. Background Art

[0002] The wheel hub is a round metal part that supports the tire. The wheel hub of an electric vehicle is mainly made by cutting a steel strip, rolling it into a circle, and then welding the two ends of the steel strip together. At present, after the electric vehicle wheel hub is welded, workers need to use a clamp to position the two ends of the wheel hub, then push the wheel hub to move and use a rolling device to flatten the weld of the wheel hub. The operation process is cumbersome, wastes manpower, has low production efficiency, and high production costs. Summary of the invention

[0003] The problem to be solved by the utility model is to provide an automatic welding seam pressing machine for an electric vehicle wheel hub, so as to improve the degree of production automation, save manpower and improve production efficiency.

[0004] To solve the above technical problems, an automatic seam pressing machine for electric vehicle wheel hub welding seams provided by the utility model includes a base, a seam pressing mechanism, a clamping mechanism, and a pushing mechanism; the seam pressing mechanism includes a frame arranged on the top of the base, an upper rolling mechanism, a lower rolling mechanism, and a sliding hydraulic cylinder, the upper rolling mechanism includes an upper slide plate slidably connected to the frame along the X-axis direction, a seam pressing hydraulic cylinder arranged on the top of the upper slide plate, a roller seat driven and connected to the seam pressing hydraulic cylinder, and an upper roller rotatably connected to the roller seat, the lower rolling mechanism includes an X-axial slide rail arranged on the top of the base, a lower slide plate slidably connected to the X-axial slide rail and fixedly connected to the upper slide plate, and a lower roller rotatably connected to the lower slide plate, and the sliding hydraulic cylinder is arranged on one side of the frame for driving the upper slide plate and the lower slide plate to move along the X-axis direction; the clamping mechanism is used to clamp the two ends of the wheel hub on the top of the X-axial slide rail; the pushing mechanism is used to push the wheel hub out of the X-axial slide rail.

[0005] Preferably, the frame includes two side plates arranged in parallel on the top of the base, a back plate fixedly connected between one end of the two side plates, and a top plate fixedly connected between the two side plates and the top of the back plate, an X-axial movable groove is penetrated on the top plate, a transverse connecting plate is fixedly connected to the top of the lower slide plate, a longitudinal connecting plate is fixedly connected between the transverse connecting plate and the upper slide plate, the longitudinal connecting plate is movably arranged on the X-axial movable groove, and the sliding hydraulic cylinder is arranged on the back plate and its output shaft is fixedly connected to the longitudinal connecting plate.

[0006] Preferably, the clamping mechanism includes a gantry arranged on the top of the top plate, two symmetrically arranged clamping components, the clamping component includes a clamping drive cylinder hinged on one side of the gantry, two connecting arms fixedly connected in parallel to the side plate, and a clamping arm hinged between the two connecting arms, and the output shaft of the clamping drive cylinder is hinged on one end of the clamping arm.

[0007] Preferably, the pushing mechanism includes two symmetrically arranged pushing cylinders and a pushing plate. The pushing cylinders are arranged on the inner wall of the side plate. The output shafts of the two pushing cylinders are respectively fixedly connected to one end of the pushing plate. The pushing plate is penetrated by a gap avoiding groove matching the X-axial slide rail, and the X-axial slide rail is arranged in the gap avoiding groove.

[0008] Preferably, a pad is fixedly connected to the top of the roller seat, and guide rods are connected to the four sides of the pad through bearings, and the top of the guide rod is fixedly connected to the bottom of the upper slide plate.

[0009] Preferably, both ends of the push plate are fixedly connected with an X-axial slide plate, and the X-axial slide plate is slidably connected to the top of the base along the X-axis direction.

[0010] The beneficial effects of the utility model are as follows: the utility model provides an automatic welding seam pressing machine for an electric vehicle wheel hub, which hangs the welded wheel hub on the X-axial slide rail, and allows the weld seam of the wheel hub to be located between the upper roller and the lower roller, and then the two ends of the wheel hub are pressed against the top of the X-axial slide rail by a clamping mechanism to position the two ends of the wheel hub, and the upper roller is driven downward by a seam pressing hydraulic cylinder, and the upper roller and the lower roller clamp the weld seam position, and then the upper slide plate and the lower slide plate are driven forward along the X-axis direction by the sliding hydraulic cylinder to drive the upper roller and the lower roller to roll the weld seam of the wheel hub to flatten the weld seam, and after the seam pressing is completed, the clamping mechanism releases the wheel hub, and then the pushing mechanism pushes the processed wheel hub out of the X-axial slide rail for unloading, automatically completing the positioning, seam pressing and material discharging operations of the wheel hub, which can improve the degree of automation in production, save manpower, improve production efficiency and ensure stable product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The schematic diagram of the appearance structure of the utility model is illustrated.

[0012] Figure 2 A cross-sectional view of the first direction of the utility model is illustrated.

[0013] Figure 3 A cross-sectional view in the second direction of the present invention is illustrated.

[0014] Figure 4 The structural schematic diagram of the seam pressing mechanism of the utility model is illustrated.

[0015] Description of the accompanying drawings: base 1, seam pressing mechanism 2, frame 20, side plate 200, back plate 201, top plate 202, X-axial movable groove 202a, upper rolling mechanism 21, upper slide plate 210, seam pressing hydraulic cylinder 211, roller seat 212, upper roller 213, pad 214, guide rod 215, lower rolling mechanism 22, X-axial slide rail 220, lower slide plate 221, lower roller 222, transverse connecting plate 223, longitudinal connecting plate 224, sliding hydraulic cylinder 23, clamping mechanism 3, gantry 30, clamping assembly 31, clamping drive cylinder 310, connecting arm 311, clamping arm 312, ejection mechanism 4, pushing cylinder 40, pushing plate 41, air avoidance groove 410, X-axial slide plate 411. DETAILED DESCRIPTION

[0016] To make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments.

[0017] Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present disclosure.

[0018] refer to Figure 1-4 .

[0019] The utility model provides an automatic welding seam pressing machine for an electric vehicle hub, comprising a base 1, a welding press mechanism 2, a pressing mechanism 3, and a pushing mechanism 4; the welding press mechanism 2 comprises a frame 20 arranged on the top of the base 1, an upper rolling mechanism 21, a lower rolling mechanism 22, and a sliding hydraulic cylinder 23; the upper rolling mechanism 21 comprises an upper slide plate 210 slidingly connected to the frame 20 along the X-axis direction, a welding press hydraulic cylinder 211 arranged on the top of the upper slide plate 210, a roller seat 212 drivingly connected to the welding press hydraulic cylinder 211, and an upper roller seat 212 rotatably connected to the roller seat 212. Roller 213, the lower rolling mechanism 22 includes an X-axis slide rail 220 arranged on the top of the base 1, a lower slide plate 221 slidably connected to the X-axis slide rail 220 and fixedly connected to the upper slide plate 210, and a lower roller 222 rotatably connected to the lower slide plate 221. The sliding hydraulic cylinder 23 is arranged on one side of the frame 20 to drive the upper slide plate 210 and the lower slide plate 221 to move along the X-axis direction; the clamping mechanism 3 is used to clamp the two ends of the wheel hub on the top of the X-axis slide rail 220; the pushing mechanism 4 is used to push the wheel hub from the X-axis slide rail 220.

[0020] The working principle is as follows: the welded wheel hub is hung on the X-axis slide rail 220, and the weld seam of the wheel hub is located between the upper roller 213 and the lower roller 222, and then the two ends of the wheel hub are pressed against the top of the X-axis slide rail 220 by the clamping mechanism 3 to position the two ends of the wheel hub, and the upper roller 213 is driven downward by the seam pressing hydraulic cylinder 211, and the upper roller 213 and the lower roller 222 clamp the weld seam position, and then the upper slide plate 210 and the lower slide plate 221 are driven forward along the X-axis direction by the sliding hydraulic cylinder 23 to drive the upper roller 213 and the lower roller 222 to roll the weld seam of the wheel hub to flatten the weld seam, and after the seam pressing is completed, the clamping mechanism 3 releases the wheel hub, and then the pushing mechanism 4 pushes the processed wheel hub out of the X-axis slide rail 220 for unloading, automatically completing the positioning, seam pressing and material discharging operations of the wheel hub, which can improve the degree of automation of production, save manpower, improve production efficiency and ensure stable product quality.

[0021] Based on the above embodiment, the frame 20 comprises two side plates 200 arranged in parallel on the top of the base 1, a back plate 201 fixedly connected between one end of the two side plates 200, and a top plate 202 fixedly connected between the two side plates 200 and the top of the back plate 201, the top plate 202 is provided with an X-axis movable groove 202a, a transverse connecting plate 223 is fixedly connected to the top of the lower slide plate 221, a longitudinal connecting plate 224 is fixedly connected between the transverse connecting plate 223 and the upper slide plate 210, and the longitudinal connecting plate 224 is movably arranged on the X-axis movable groove 202a, and a sliding hydraulic cylinder 23 is arranged on the back plate 201 and its output shaft is fixedly connected to the longitudinal connecting plate 224. When the sliding hydraulic cylinder 23 is working, it will drive the longitudinal connecting plate 224 to move left and right on the X-axis movable groove 202a, thereby driving the upper roller 213 and the lower roller 222 to move forward and backward to perform a rolling operation on the press seam.

[0022] Based on the above embodiment, the clamping mechanism 3 includes a gantry 30 arranged on the top of the top plate 202, two symmetrically arranged clamping assemblies 31, the clamping assembly 31 includes a clamping drive cylinder 310 hinged on one side of the gantry 30, two connecting arms 311 fixedly connected to the side plate 200 in parallel, and a clamping arm 312 hinged between the two connecting arms 311, and the output shaft of the clamping drive cylinder 310 is hinged at one end of the clamping arm 312. After the wheel hub is hung on the X-axis slide rail 220, the clamping drive cylinders 310 on both sides drive the clamping arm 312 to move, so that one end of the clamping arm 312 is pressed on one end of the wheel hub, and the end of the wheel hub will be pressed between the top of the X-axis slide rail 220 and one end of the clamping arm 312, thereby positioning the end of the wheel hub.

[0023] Based on the above embodiment, the push mechanism 4 includes two symmetrically arranged push cylinders 40 and a push plate 41. The push cylinders 40 are arranged on the inner side wall of the side plate 200. The output shafts of the two push cylinders 40 are respectively fixedly connected to one end of the push plate 41. The push plate 41 is provided with a clearance groove 410 matching the X-axis slide rail 220, and the X-axis slide rail 220 is arranged in the clearance groove 410. When the wheel hub completes the seam pressing operation, the push cylinder 40 drives the push plate 41 to move forward so that the push plate 41 pushes the wheel hub on the X-axis slide rail 220 out for unloading.

[0024] Based on the above embodiment, a pad 214 is fixedly connected to the top of the roller seat 212, and guide rods 215 are connected to the four sides of the pad 214 through bearings. The top of the guide rod 215 is fixedly connected to the bottom of the upper slide plate 210, which can improve the stability of the upper roller 213 moving up and down.

[0025] Based on the above embodiment, both ends of the push plate 41 are fixedly connected with an X-axial slide plate 411, and the X-axial slide plate 411 is slidably connected to the top of the base 1 along the X-axis direction, which can improve the movement stability of the push plate 41.

[0026] The above implementation modes are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

Claims

1. An automatic welding seam press machine for electric vehicle hub, characterized in that: The invention comprises a base, a press seam mechanism, a clamping mechanism, and a pushing mechanism; the press seam mechanism comprises a frame arranged on the top of the base, an upper rolling mechanism, a lower rolling mechanism, and a sliding hydraulic cylinder, the upper rolling mechanism comprises an upper slide plate slidably connected to the frame along the X-axis direction, a press seam hydraulic cylinder arranged on the top of the upper slide plate, a roller seat drivingly connected to the press seam hydraulic cylinder, and an upper roller rotatably connected to the roller seat, the lower rolling mechanism comprises an X-axis slide rail arranged on the top of the base, a lower slide plate slidably connected to the X-axis slide rail and fixedly connected to the upper slide plate, and a lower roller rotatably connected to the lower slide plate, the sliding hydraulic cylinder is arranged on one side of the frame for driving the upper slide plate and the lower slide plate to move along the X-axis direction; the clamping mechanism is used to clamp the two ends of the wheel hub on the top of the X-axis slide rail; the pushing mechanism is used to push the wheel hub out of the X-axis slide rail.

2. The electric vehicle wheel hub welding seam automatic press machine according to claim 1, characterized in that: The frame includes two side plates arranged in parallel on the top of the base, a back plate fixedly connected between one ends of the two side plates, and a top plate fixedly connected between the two side plates and the top of the back plate, an X-axial movable groove is penetrated on the top plate, a transverse connecting plate is fixedly connected to the top of the lower slide plate, a longitudinal connecting plate is fixedly connected between the transverse connecting plate and the upper slide plate, the longitudinal connecting plate is movably arranged on the X-axial movable groove, and the sliding hydraulic cylinder is arranged on the back plate and its output shaft is fixedly connected to the longitudinal connecting plate.

3. The automatic welding seam pressing machine for electric vehicle wheel hub according to claim 2 is characterized in that: The clamping mechanism includes a gantry arranged on the top of the top plate, two symmetrically arranged clamping components, the clamping components include a clamping drive cylinder hinged on one side of the gantry, two connecting arms fixedly connected in parallel to the side plate, and a clamping arm hinged between the two connecting arms, and the output shaft of the clamping drive cylinder is hinged on one end of the clamping arm.

4. The electric vehicle wheel hub welding seam automatic press machine according to claim 3, characterized in that: The ejection mechanism includes two symmetrically arranged pushing cylinders and a pushing plate. The pushing cylinders are arranged on the inner wall of the side plate. The output shafts of the two pushing cylinders are respectively fixedly connected to one end of the pushing plate. The pushing plate is penetrated by a gap avoidance groove matching the X-axial slide rail, and the X-axial slide rail is arranged in the gap avoidance groove.

5. The electric vehicle wheel hub welding seam automatic press machine according to claim 2, characterized in that: A pad is fixedly connected to the top of the roller seat, and guide rods are connected to the four sides of the pad through bearings, and the top of the guide rod is fixedly connected to the bottom of the upper slide plate.

6. The electric vehicle wheel hub welding seam automatic press machine according to claim 4, characterized in that: Both ends of the push plate are fixedly connected with an X-axis slide plate, and the X-axis slide plate is slidably connected to the top of the base along the X-axis direction.

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