A crankshaft automatic detection device

Abstract

The invention discloses an automatic crankshaft detection device, comprising: an annular guide rail, a push-turn assembly, and a detector, wherein: the annular guide rail comprises a closed track, a slide and a driving mechanism, the slide is provided with a first support frame and a second support frame, the first support frame is provided with a rotating shaft, the second support frame is provided with a rotatable turntable; the rotating shaft is provided with a connecting plate, the connecting plate is provided with a first card slot and a first locking mechanism; the turntable is provided with a second card slot and a second locking mechanism; the push-turn mechanism comprises a motor located outside the track and a power unit for driving the motor to move horizontally in the direction of the track, the output shaft of the motor is fixed with a connecting sleeve for the rotating shaft to be inserted; the detector is located at the position of the push-turn mechanism and above the track. The invention can effectively improve work efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of crankshaft detection, and in particular to an automatic crankshaft detection device. Background Art

[0002] The crankshaft is the core component of the engine and has very strict dimensional requirements. During the crankshaft production process, the crankshaft surface needs to be inspected to ensure that it has no surface defects. In the past, inspections were done manually with handheld detectors, which was inefficient and time-consuming. Summary of the invention

[0003] In order to solve the technical problems existing in the background technology, the present invention provides an automatic crankshaft detection device.

[0004] The present invention provides an automatic crankshaft detection device, comprising: an annular guide rail, a push-rotation assembly, and a detector for detecting whether the crankshaft surface is damaged, wherein:

[0005] The annular guide rail comprises a closed track, a plurality of slides slidably mounted on the track, and a driving mechanism for driving the slides to move sequentially on the track, each slide is provided with a first support frame and a second support frame opposite to the first support frame, and a rotatable rotating shaft is mounted on the first support frame, and a rotatable turntable is mounted on the second support frame;

[0006] The rotating shaft is perpendicular to the track, and a key block is fixed on the outer wall of the rotating shaft facing the outer side of the track, and a connecting plate fixed to the rotating shaft is provided on the inner side of the track; the connecting plate is provided with a first clamping groove coaxial with the connecting plate, and the connecting plate is provided with a first guide groove for radially taking and placing the end of the crankshaft and a first locking mechanism for fixing the crankshaft clamped in the first clamping groove;

[0007] The turntable is coaxial with the rotating shaft, and a second slot coaxial with the turntable is provided on the turntable. The turntable is provided with a second guide slot for the end of the crankshaft to radially enter and exit the second slot, and a second locking mechanism for fixing the crankshaft inserted into the second slot;

[0008] The push-turn mechanism includes a motor located outside the track and a power unit for driving the motor to move horizontally toward the track. The output shaft of the motor faces the track and is perpendicular to the track. A connecting sleeve for the shaft to be inserted is fixed on the output shaft of the motor. A key slot extending axially for the key block to be inserted is provided on the inner side wall of the connecting sleeve.

[0009] The detector is located where the push-turn mechanism is located and above the track.

[0010] Preferably, the first locking mechanism comprises at least two first telescopic components arranged circumferentially around the first slot, and the first telescopic components comprise a pressing block and a cylinder for pushing the pressing block to move radially toward the first slot.

[0011] Preferably, the first locking mechanism comprises a first support seat arranged outside the first slot and provided with a threaded hole, and a first fastening bolt threadably matched with the threaded hole, and the axis of the threaded hole passes through the center line of the first slot.

[0012] Preferably, the second locking mechanism comprises at least two second telescopic components arranged circumferentially around the second slot, and the second telescopic components comprise a pressing block and a cylinder for pushing the pressing block to move radially toward the first slot.

[0013] Preferably, the second locking mechanism comprises a second support seat arranged outside the second slot and provided with a threaded hole, and a second fastening bolt threadably matched with the threaded hole, wherein the axis of the threaded hole passes through the center line of the second slot.

[0014] Preferably, a slide rail perpendicular to the track is provided on the outer side of the track, and the motor is slidably mounted on the slide rail and driven by a power unit to move on the slide rail.

[0015] Preferably, the power unit comprises a cylinder, and the ejection end of the cylinder piston rod is connected to the motor.

[0016] Preferably, the power unit includes an electric push rod, and the ejection end of the electric push rod is connected to the motor

[0017] In the present invention, a plurality of slides are arranged on the track of the annular guide rail, and a first support frame and a second support frame are arranged on each slide respectively, a rotating shaft is arranged on the first support frame, a rotating disk is arranged on the second support frame, and the structures of the rotating shaft and the rotating disk are arranged so that the crankshaft to be detected can be fixed on the rotating shaft and the rotating disk to rotate with the rotation of the two; at the same time, a push-turn mechanism is arranged on the outer side of the track, a connecting sleeve matching the rotating shaft is arranged on the motor in the push-turn mechanism, and the detector is arranged at the position of the push-turn mechanism and above the guide rail, so that when the slide on the guide rail moves to the push-turn mechanism, the power unit in the push-turn mechanism is used to push the motor to move toward the track direction, so that the rotating shaft is inserted into the connecting sleeve and rotates with the rotation of the motor to drive the crankshaft to rotate, so that the detector performs a comprehensive detection on the surface of the workpiece. The arrangement of this structure can effectively improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of an automatic crankshaft detection device proposed for the invention;

[0019] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 A schematic diagram of the structure of the connecting plate in the crankshaft automatic detection device proposed in the invention;

[0021] Figure 4 The present invention is a schematic diagram of the structure of the turntable in the crankshaft automatic detection device proposed in the invention. DETAILED DESCRIPTION

[0022] The technical solution of the present invention is described in detail below through specific embodiments.

[0023] like Figure 1-4 As shown, Figure 1 A schematic diagram of the structure of an automatic crankshaft detection device proposed for the invention; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 A schematic diagram of the structure of the connecting plate in the crankshaft automatic detection device proposed in the invention; Figure 4 The present invention is a schematic diagram of the structure of the turntable in the crankshaft automatic detection device proposed in the invention.

[0024] Reference Figure 1-4 The present invention proposes an automatic crankshaft detection device, comprising: an annular guide rail, a push-rotation assembly, and a detector 1 for detecting whether the crankshaft surface is damaged, wherein:

[0025] The annular guide rail comprises a closed track 2, a plurality of slides 3 slidably mounted on the track 2, and a driving mechanism 4 for driving each slide 3 to move on the track 2 in sequence. Each slide 3 is provided with a first support frame and a second support frame opposite to the first support frame, and a rotatable rotating shaft 5 is mounted on the first support frame, and a rotatable rotating disk 6 is mounted on the second support frame. The rotating shaft 5 is perpendicular to the track 2, and a key block is fixed on the outer wall of the rotating shaft 5 facing the outer end of the track 2, and a connecting disk 7 fixed to it is provided on the inner end of the track 2; the connecting disk 7 is provided with a first slot a coaxial with it, and a first guide groove for the first slot a for radially taking and placing the end of the crankshaft is provided on the connecting disk 7, and a first locking mechanism 8 for fixing the crankshaft stuck in the first slot a is provided. The rotating disk 6 is coaxial with the rotating shaft 5, and a second slot b coaxial with it is provided on the rotating disk 6, and a second guide groove for radially entering and exiting the end of the crankshaft in the second slot b is provided on the rotating disk 6, and a second locking mechanism 9 for fixing the crankshaft stuck in the second slot b is provided. During operation, the two ends of the crankshaft can be respectively inserted into the first slot a and the second slot b, and the first locking mechanism 8 and the second locking mechanism 9 are used to fix the crankshaft so that the crankshaft can rotate with the rotation of the rotating shaft 5.

[0026] The push-turn mechanism includes a motor 10 located outside the track 2 and a power unit 11 for driving the motor 10 to move horizontally toward the track 2. The output shaft of the motor 10 faces the track 2 and is perpendicular to the track 2. A connecting sleeve 12 is fixed on the output shaft of the motor 10 for the shaft 5 to be inserted. The inner wall of the connecting sleeve 12 is provided with a keyway extending axially for the key block to be inserted, so that after the shaft 5 is inserted into the connecting sleeve 12, the key block cooperates with the keyway so that the shaft 5 rotates with the rotation of the output shaft of the motor 10. The detector 1 is located at the position of the push-turn mechanism and above the track 2.

[0027] As can be seen from the above, the present invention arranges a plurality of slides 3 on the track 2 of the annular guide rail, and arranges a first support frame and a second support frame on each slide 3, arranges a rotating shaft 5 on the first support frame, arranges a turntable 6 on the second support frame, and arranges the structure of the rotating shaft 5 and the turntable 6 so that the crankshaft to be detected can be fixed on the rotating shaft 5 and the turntable 6 to rotate with the rotation of the two; at the same time, a push-turn mechanism is arranged on the outer side of the track 2, a connecting sleeve 12 matching the rotating shaft 5 is arranged on the motor 10 in the push-turn mechanism, and the detector 1 is arranged at the position of the push-turn mechanism and above the guide rail, so that when the slide 3 on the guide rail moves to the push-turn mechanism, the power unit 11 in the push-turn mechanism is used to push the motor 10 to move toward the track 2, so that the rotating shaft 5 is inserted into the connecting sleeve 12 and rotates with the rotation of the motor 10 to drive the crankshaft to rotate, so that the detector 1 performs a comprehensive detection on the surface of the workpiece. The arrangement of this structure can effectively improve work efficiency.

[0028] In addition, in this embodiment, a slide rail perpendicular to the track 2 is provided on the outer side of the track 2, and the motor 10 is slidably mounted on the slide rail and driven to move on the slide rail by the power unit 11. The power unit 11 includes a cylinder (or an electric push rod), and the ejection end of the cylinder piston rod is connected to the motor 10 (or the ejection end of the electric push rod is connected to the motor 10).

[0029] Example 1

[0030] The first locking mechanism 8 includes at least two first telescopic components arranged around the circumference of the first slot a, the first telescopic components including a pressure block and a cylinder for pushing the pressure block to move radially in the direction of the first slot a. The second locking mechanism 9 includes at least two second telescopic components arranged around the circumference of the second slot b, the second telescopic components including a pressure block and a cylinder for pushing the pressure block to move radially in the direction of the first slot a, so as to use the pressure block to press the crankshaft.

[0031] Example 2

[0032] The first locking mechanism 8 includes a first support seat provided at the outside of the first slot a and having a threaded hole, and a first fastening bolt threadedly matched with the threaded hole, the axis of which passes through the center line of the first slot a. The second locking mechanism 9 includes a second support seat provided at the outside of the second slot b and having a threaded hole, and a second fastening bolt threadedly matched with the threaded hole, the axis of which passes through the center line of the second slot b. The first fastening bolt and the second fastening bolt are screwed in and out to achieve compression of the two ends of the crankshaft.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A crankshaft automatic detection device, characterized in that: include: An annular guide rail, a push-turn assembly, and a detector (1) for detecting whether the crankshaft surface is damaged, wherein: The annular guide rail comprises a closed track (2), a plurality of slides (3) slidably mounted on the track (2), and a driving mechanism (4) for driving each slide (3) to move sequentially on the track (2), each slide (3) being provided with a first support frame and a second support frame opposite to the first support frame, the first support frame being provided with a rotatable rotating shaft (5), and the second support frame being provided with a rotatable rotating disk (6); The rotating shaft (5) is perpendicular to the track (2), and a key block is fixed on the outer wall of the rotating shaft (5) facing the outer end of the track (2), and a connecting plate (7) fixed thereto is provided on the inner end of the rotating shaft (5) facing the track (2); a first clamping groove (a) coaxial with the connecting plate (7) is provided on the connecting plate (7), and a first guide groove of the first clamping groove (a) for radially taking and placing the end of the crankshaft is provided on the connecting plate (7), and a first locking mechanism (8) for fixing the crankshaft clamped in the first clamping groove (a); The rotating disk (6) is coaxial with the rotating shaft (5), and a second clamping groove (b) coaxial with the rotating shaft (5) is provided on the rotating disk (6). The rotating disk (6) is provided with a second guide groove for allowing the end of the crankshaft to radially enter and exit the second clamping groove (b), and a second locking mechanism (9) for fixing the crankshaft clamped in the second clamping groove (b); The push-and-turn mechanism comprises a motor (10) located outside the track (2) and a power unit (11) for driving the motor (10) to move horizontally in the direction of the track (2); the output shaft of the motor (10) faces the track (2) and is perpendicular to the track (2); a connecting sleeve (12) for inserting the rotating shaft (5) is fixed on the output shaft of the motor (10); and a key groove extending axially for inserting the key block is provided on the inner side wall of the connecting sleeve (12); The detector (1) is located at the position of the push-turn mechanism and above the track (2).

2. The crankshaft automatic detection device according to claim 1, characterized in that: The first locking mechanism (8) comprises at least two first telescopic components circumferentially arranged around the first slot (a), and the first telescopic components comprise a pressing block and a cylinder for pushing the pressing block to move radially in the direction of the first slot (a).

3. The crankshaft automatic detection device according to claim 1, characterized in that: The first locking mechanism (8) comprises a first support seat arranged outside the first slot (a) and provided with a threaded hole, and a first fastening bolt threadably matched with the threaded hole, wherein the axis of the threaded hole passes through the center line of the first slot (a).

4. The crankshaft automatic detection device according to claim 1, characterized in that: The second locking mechanism (9) comprises at least two second telescopic components circumferentially arranged around the second slot (b), and the second telescopic components comprise a pressing block and a cylinder for pushing the pressing block to move radially in the direction of the first slot (a).

5. The crankshaft automatic detection device according to claim 1, characterized in that: The second locking mechanism (9) comprises a second support seat arranged outside the second slot (b) and provided with a threaded hole, and a second fastening bolt threadably matched with the threaded hole, wherein the axis of the threaded hole passes through the center line of the second slot (b).

6. The crankshaft automatic detection device according to claim 1, characterized in that: A slide rail perpendicular to the track (2) is arranged on the outer side of the track (2), and the motor (10) is slidably mounted on the slide rail and driven by a power unit (11) to move on the slide rail.

7. The crankshaft automatic detection device according to any one of claims 1 to 6, characterized in that: The power unit (11) comprises a cylinder, and the ejection end of the cylinder piston rod is connected to the motor (10).

8. The crankshaft automatic detection device according to any one of claims 1 to 6, characterized in that: The power unit (11) comprises an electric push rod, and the ejection end of the electric push rod is connected to the motor (10).

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