Crankshaft outer surface strengthening treatment device

Abstract

The utility model relates to the field of crankshaft machining, in particular to a crankshaft outer surface strengthening treatment device. According to the crankshaft outer surface strengthening treatment device, the eccentricity can be adjusted according to the eccentric shaft neck on the crankshaft, rotation with the eccentric shaft neck as the circle center is facilitated, and the more uniform and consistent surface treatment effect is achieved. A crankshaft outer surface strengthening treatment device comprises a bottom plate, a movable support and the like, and the left portion of the bottom plate is connected with the movable support in a sliding mode. The first electric push rod is started to drive the eccentric disc to move forwards or backwards, so that the eccentric shaft neck, close to the outer side, on the crankshaft is aligned with the telescopic shaft, then the first motor drives the crankshaft to rotate, the crankshaft rotates with the eccentric shaft neck as the circle center, and the eccentricity can be adjusted according to the eccentric shaft neck on the crankshaft; and rotation with the eccentric shaft neck as the circle center is facilitated, and the more uniform and consistent surface treatment effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of crankshaft processing especially relates to a crankshaft outer surface strengthening treatment device. BACKGROUND

[0002] In the mechanical manufacturing industry, the crankshaft as the core component in the rotating mechanical equipment such as engine, compressor, its performance is directly related to the operation efficiency and reliability of the whole equipment. The outer surface of the crankshaft, especially the eccentric journal part, because of bearing complex mechanical load and friction and abrasion, often becomes the main source of equipment failure.

[0003] The existing crankshaft outer surface strengthening treatment usually fixes the two ends of the crankshaft to the clamp, then drives the crankshaft to rotate through the motor, then carries out shot blasting treatment to the surface of the crankshaft, but because of the eccentricity of the eccentric journal on the crankshaft, the problem of uneven surface treatment is prone to occur, and it cannot be ensured that each eccentric journal can be uniformly and consistently surface treated.

[0004] Therefore, a crankshaft outer surface strengthening treatment device that can adjust the eccentricity according to the eccentric journal on the crankshaft, facilitate rotation with the eccentric journal as the center, and realize more uniform and consistent surface treatment effect needs to be designed. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the existing crankshaft outer surface strengthening treatment, the eccentricity of the eccentric journal on the crankshaft, the problem of uneven surface treatment is prone to occur, and it cannot be ensured that each eccentric journal can be uniformly and consistently surface treated, the utility model provides a crankshaft outer surface strengthening treatment device that can adjust the eccentricity according to the eccentric journal on the crankshaft, facilitate rotation with the eccentric journal as the center, and realize more uniform and consistent surface treatment effect.

[0006] Technical scheme: a crankshaft outer surface strengthening treatment device, including bottom plate, moving support, first motor, telescopic shaft, eccentric assembly, drive assembly and shot blasting assembly, the moving support is slidably connected to the left part of the bottom plate, the first motor is connected to the front and rear parts of the moving support, the output shaft of the first motor is provided with a rotating shaft, the rotating shaft is rotatably connected with the moving support, the telescopic shaft is slidably connected to the rotating shaft, the eccentric assembly that can adjust the eccentricity according to the eccentric journal on the crankshaft is arranged on the telescopic shaft, the drive assembly that can automatically move the moving support is arranged between the bottom plate and the moving support, the shot blasting assembly that can shot blast the outer surface of the crankshaft is arranged on the right part of the bottom plate.

[0007] In a preferred embodiment of the utility model, eccentric assembly includes first electric push rod, eccentric disc, second electric push rod and clamping block, the left and right two parts of telescopic shaft are connected with first electric push rod, the adjacent two first electric push rod telescopic ends are connected with eccentric disc, eccentric disc is connected with adjacent telescopic shaft slidingly, the side of eccentric disc close to each other is connected with a plurality of second electric push rod, the telescopic end of second electric push rod is connected with clamping block.

[0008] In a preferred embodiment of the utility model, drive assembly includes second motor and first screw rod, the upper side of bottom plate left front part is connected with second motor, the output shaft of second motor is connected with first screw rod, first screw rod is connected with bottom plate rotatably, moving support is connected with first screw rod threadedly.

[0009] In a preferred embodiment of the utility model, the spray assembly includes hydraulic cylinder, connecting plate, moving shell, isolation shell, third motor, second screw rod, moving block, fourth motor, spray head and first collection frame, the upper side of bottom plate right rear part is connected with hydraulic cylinder, the telescopic end of hydraulic cylinder is connected with connecting plate, the lower side of connecting plate is connected with moving shell, the upper side of bottom plate right part is connected with first collection frame, the upper side of first collection frame right part is connected with isolation shell, the front upper part of isolation shell is connected with third motor, the output shaft of third motor is connected with second screw rod, second screw rod is connected with isolation shell rotatably, moving block is connected with second screw rod threadedly, moving block is connected with isolation shell slidingly, the lower part of moving block is connected with fourth motor, the output shaft of fourth motor is connected with spray head, spray head is connected with moving block rotatably.

[0010] In a preferred embodiment of the utility model, it further includes filter screen plate and third electric push rod, the upper part of first collection frame is rotatably connected with filter screen plate, the left rear side of first collection frame is connected with third electric push rod, the telescopic end of third electric push rod contacts filter screen plate.

[0011] In a preferred embodiment of the utility model, it further includes spring, baffle and second collection frame, the right side of first collection frame is connected with second collection frame, the right part of first collection frame is slidingly connected with baffle, the left and right parts of baffle are connected with first collection frame with spring.

[0012] Compared with the prior art, the utility model has the following advantages: 1, the utility model drives eccentric disc to move forward or backward by starting first electric push rod, makes the eccentric journal close to the outside on the crankshaft align with telescopic shaft, then drives the crankshaft to rotate by first motor, so that the crankshaft rotates with eccentric journal as the center, which can adjust eccentricity according to the eccentric journal on the crankshaft, facilitate rotation with eccentric journal as the center, realize more uniform and consistent surface treatment effect.

[0013] 2, the utility model discloses a third electric push rod telescopic end stretches out and pushes the filter screen board, drives the filter screen board to rotate, makes the filter screen board contact extrusion baffle, drives baffle to move down, and spring is extruded and contracts, makes the intact steel shot to be arranged in the second collection frame through the filter screen board inclination, reaches the effect that the used steel shot can be conveniently classified and collected, is convenient for subsequent processing and utilization, improves the resource utilization rate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the three-dimensional structure schematic diagram of the utility model.

[0016] Figure 3 It is the section three-dimensional structure schematic diagram of eccentric assembly of the utility model.

[0017] Figure 4 It is the three-dimensional structure schematic diagram of the utility model.

[0018] Figure 5 It is the three-dimensional structure schematic diagram of the utility model.

[0019] Figure 6 It is the three-dimensional structure schematic diagram of the utility model.

[0020] Figure 7 It is the section three-dimensional structure schematic diagram of the second collection frame of the utility model.

[0021] Figure 8 It is the section three-dimensional structure schematic diagram of baffle of the utility model.

[0022] The marks of each component in the drawing are as follows: 1, bottom plate, 2, mobile support, 3, first motor, 4, telescopic shaft, 5, first electric push rod, 6, eccentric disc, 7, second electric push rod, 8, clamping block, 9, second motor, 91, first screw rod, 10, hydraulic cylinder, 11, connecting plate, 12, mobile shell, 13, isolation shell, 14, third motor, 141, second screw rod, 15, moving block, 151, fourth motor, 16, spray head, 17, first collection frame, 18, filter screen board, 19, third electric push rod, 20, spring, 21, baffle, 22, second collection frame. DETAILED DESCRIPTION

[0023] While the present application can be described in relation to a particular application or industry, those skilled in the art will recognize a broader applicability of the present application. Those of ordinary skill in the art will recognize that terms such as: above, below, upper, lower, and the like are used as descriptions and not as limitations on the scope of the present application as defined by the appended claims. Any numerical designations such as: first or second are merely illustrative and are not intended to limit the scope of the present application in any way.

[0024] A crankshaft outer surface strengthening treatment device, such as Figures 1-8As shown, including the base plate 1, mobile support 2, the first motor 3, telescopic shaft 4, the first electric push rod 5, eccentric disc 6, the second electric push rod 7, clamping block 8, the second motor 9, the first screw 91, hydraulic cylinder 10, connecting plate 11, mobile shell 12, isolation shell 13, the third motor 14, the second screw 141, moving block 15, the fourth motor 151, nozzle 16, the first collection frame 17, filter screen plate 18, the third electric push rod 19, spring 20, baffle 21 and the second collection frame 22, the base plate 1 left part is slidably connected with the mobile support 2, the mobile support 2 front and rear parts are connected with the first motor 3, the first motor 3 output shaft is provided with a rotating shaft, the rotating shaft is rotatably connected with the mobile support 2, the rotating shaft is slidably connected with the telescopic shaft 4, the telescopic shaft 4 left and right parts are connected with the first electric push rod 5, the adjacent two first electric push rod 5 telescopic ends are connected with the eccentric disc 6, the eccentric disc 6 is slidably connected with the adjacent telescopic shaft 4, the eccentric disc 6 is connected with three second electric push rod 7 on the side close to each other, the second electric push rod 7 telescopic end is connected with the clamping block 8, the base plate 1 left front upper side is connected with the second motor 9, the second motor 9 output shaft is connected with the first screw 91, the first screw 91 is rotatably connected with the base plate 1, the mobile support 2 is threadedly connected with the first screw 91, the base plate 1 right rear upper side is connected with the hydraulic cylinder 10, the hydraulic cylinder 10 telescopic end is connected with the connecting plate 11, the connecting plate 11 lower side is connected with the mobile shell 12, the base plate 1 right part upper side is connected with the first collection frame 17, the first collection frame 17 right part upper side is connected with the isolation shell 13, the isolation shell 13 front upper part is connected with the third motor 14, the third motor 14 output shaft is connected with the second screw 141, the second screw 141 is rotatably connected with the isolation shell 13, the second screw 141 is threadedly connected with the moving block 15, the moving block 15 is slidably connected with the isolation shell 13, the moving block 15 lower part is connected with the fourth motor 151, the fourth motor 151 output shaft is connected with the nozzle 16, the nozzle 16 is rotatably connected with the moving block 15, the first collection frame 17 upper part is rotatably connected with the filter screen plate 18, the first collection frame 17 left part rear side is connected with the third electric push rod 19, the third electric push rod 19 telescopic end contacts the filter screen plate 18, the first collection frame 17 right side is connected with the second collection frame 22, the first collection frame 17 right part is slidably connected with the baffle 21, the baffle 21 front and rear parts are connected with the first collection frame 17 between the spring 20.

[0025] In use of the device, first, the base plate 1 is placed on the crankshaft outer surface strengthening treatment area, then the position of the telescopic shaft 4 on the rotating shaft is adjusted according to the length of the crankshaft, then the crankshaft is placed between the clamping blocks 8, then the second electric push rod 7 is started to drive the clamping blocks 8 to approach each other to fix the two ends of the crankshaft, then the second motor 9 is started to drive the first screw rod 91 to rotate, so that the moving support 2 moves right under the action of the screw, so that the crankshaft moves above the first collecting frame 17, then the hydraulic cylinder 10 is started to drive the connecting plate 11 and the moving shell 12 to move down, so that the moving shell 12 contacts the first collecting frame 17, then the first motor 3 is started to drive the telescopic shaft 4 to rotate, so that the crankshaft rotates, then the fourth motor 151 is started to drive the nozzle 16 to rotate and align with the crankshaft, then the third motor 14 is started to drive the second screw rod 141 to rotate, so that the moving block 15 moves under the action of the screw, and the crankshaft is treated by the nozzle 16, then the first electric push rod 5 is started to drive the eccentric disc 6 to move forward or backward, so that the eccentric journal close to the outer side of the crankshaft is aligned with the telescopic shaft 4, then the crankshaft is rotated by the first motor 3, so that the crankshaft rotates with the eccentric journal as the center, and then the nozzle 16 is used for shot blasting treatment, so that the eccentricity can be adjusted according to the eccentric journal on the crankshaft, the eccentric journal is used as the center for rotation, and more uniform and consistent surface treatment effect is realized, then the perfect steel shots fall on the filter screen plate 18, and the damaged steel shots are discharged into the first collecting frame 17 through the filter screen plate 18, after the shot blasting treatment is completed, the third electric push rod 19 can be started to drive the third electric push rod 19 to extend and push the filter screen plate 18, drive the filter screen plate 18 to rotate, drive the filter screen plate 18 to contact the extrusion baffle 21, drive the baffle 21 to move down, the spring 20 is extruded and contracted, so that the perfect steel shots are inclinedly discharged into the second collecting frame 22 through the filter screen plate 18, so that the used steel shots can be conveniently classified and collected, subsequent treatment and utilization are facilitated, resource utilization rate is improved, and classification is completed.

[0026] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A crankshaft outer surface strengthening treatment device, characterized in that: The utility model provides a kind of eccentricity-adjustable crankshaft, including bottom plate (1), mobile support (2), first motor (3), telescopic shaft (4), eccentric assembly, drive assembly and shot blasting assembly, mobile support (2) is slidably connected in the left part of bottom plate (1), first motor (3) is connected in the front and rear of mobile support (2), rotating shaft is equipped on the output shaft of first motor (3), rotating shaft is rotatably connected with mobile support (2), telescopic shaft (4) is slidably connected on rotating shaft, eccentric assembly is equipped on telescopic shaft (4) according to the eccentricity adjustment of eccentric journal on crankshaft, drive assembly is equipped between bottom plate (1) and mobile support (2), and shot blasting assembly is equipped in the right part of bottom plate (1).

2. A device for strengthening the outer surface of a crankshaft as set forth in claim 1, characterized in that: Eccentric assembly includes first electric push rod (5), eccentric disc (6), second electric push rod (7) and clamping block (8), first electric push rod (5) is connected in the left and right parts of telescopic shaft (4), eccentric disc (6) is connected between the telescopic end of adjacent two first electric push rods (5), eccentric disc (6) is slidably connected with adjacent telescopic shaft (4), a plurality of second electric push rods (7) are connected on the side of mutual approach of eccentric disc (6), clamping block (8) is connected on the telescopic end of second electric push rod (7).

3. A device for strengthening the outer surface of a crankshaft as set forth in claim 1, characterized in that: Drive assembly includes second motor (9) and first screw rod (91), second motor (9) is connected on the left front upper side of bottom plate (1), first screw rod (91) is connected on the output shaft of second motor (9), first screw rod (91) is rotatably connected with bottom plate (1), and mobile support (2) is threadedly connected with first screw rod (91).

4. A device for strengthening the outer surface of a crankshaft as set forth in claim 1, characterized in that: Shot blasting assembly includes hydraulic cylinder (10), connecting plate (11), moving shell (12), isolation shell (13), third motor (14), second screw rod (141), moving block (15), fourth motor (151), spray head (16) and first collection frame (17), hydraulic cylinder (10) is connected on the right rear upper side of bottom plate (1), connecting plate (11) is connected on the telescopic end of hydraulic cylinder (10), moving shell (12) is connected on the lower side of connecting plate (11), first collection frame (17) is connected on the right upper side of bottom plate (1), isolation shell (13) is connected on the right upper side of first collection frame (17), third motor (14) is connected on the front upper part of isolation shell (13), second screw rod (141) is connected on the output shaft of third motor (14), second screw rod (141) is rotatably connected with isolation shell (13), moving block (15) is threadedly connected on second screw rod (141), moving block (15) is slidably connected with isolation shell (13), fourth motor (151) is connected on the lower part of moving block (15), spray head (16) is connected on the output shaft of fourth motor (151), and spray head (16) is rotatably connected with moving block (15).

5. A device for strengthening the outer surface of a crankshaft as set forth in claim 4, characterized in that: It further comprises a filter screen (18) and a third electric push rod (19), the upper part of the first collecting frame (17) is rotatably connected with the filter screen (18), the left rear side of the first collecting frame (17) is connected with the third electric push rod (19), and the telescopic end of the third electric push rod (19) contacts the filter screen (18).

6. A device for strengthening the outer surface of a crankshaft as set forth in claim 4, characterized in that: It further comprises a spring (20), a baffle (21) and a second collecting frame (22), the right side of the first collecting frame (17) is connected with the second collecting frame (22), the right part of the first collecting frame (17) is slidably connected with the baffle (21), and the front and rear parts of the baffle (21) are connected with the first collecting frame (17) through the spring (20).

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