CN223561619U

CN223561619U - Crank shaft outer surface strengthening treatment device

Info

Publication number: CN223561619U
Application number: CN202423200236.8U
Authority: CN
Inventors: 陈为伦; 魏恒响; 李伟; 岳要明
Original assignee: Linyi Hongyunshan Machinery Manufacturing Co ltd
Current assignee: Linyi Hongyunshan Machinery Manufacturing Co ltd
Priority date: 2024-12-24
Filing date: 2024-12-24
Publication date: 2025-11-18
Anticipated expiration: 2034-12-24

Abstract

The utility model relates to the field of crankshaft machining, in particular to a strengthening treatment device for the outer surface of a crankshaft. The utility model provides a crank outer surface strengthening treatment device which can adjust the eccentricity according to an eccentric journal on a crank shaft, is convenient to rotate by taking the eccentric journal as a circle center and realizes more uniform and consistent surface treatment effect. A strengthening treatment device for the outer surface of a crankshaft comprises a bottom plate, a movable support and the like, wherein the left part of the bottom plate is connected with the movable support in a sliding manner. According to the utility model, the first electric push rod is started to drive the eccentric disc to move forwards or backwards, so that the eccentric shaft neck on the outer side of the crankshaft is aligned with the telescopic shaft, and then the first motor drives the crankshaft to rotate, so that the crankshaft rotates by taking the eccentric shaft neck as the circle center, the eccentricity can be regulated according to the eccentric shaft neck on the crankshaft, the eccentric shaft neck can be conveniently rotated by taking the eccentric shaft neck as the circle center, and the effect of more uniform and consistent surface treatment effect is realized.

Description

Crank shaft outer surface strengthening treatment device

Technical Field

The utility model relates to the field of crankshaft machining, in particular to a strengthening treatment device for the outer surface of a crankshaft.

Background

In the machine industry, the performance of crankshafts as core components in rotary mechanical devices such as engines, compressors, etc., is directly related to the operational efficiency and reliability of the overall device. The outer surface of the crankshaft, particularly the eccentric journal portion, is often the primary source of equipment failure due to the complex mechanical loading and frictional wear experienced.

The existing strengthening treatment of the outer surface of the crankshaft usually comprises the steps of fixing two ends of the crankshaft to a clamp, driving the crankshaft to rotate through motor driving, and then performing shot blasting treatment on the surface of the crankshaft, but the problem of uneven surface treatment easily occurs due to the eccentric characteristic of eccentric journals on the crankshaft, and the uniform surface treatment of each eccentric journal cannot be ensured.

Therefore, it is necessary to design a crank outer surface strengthening treatment device which can adjust the eccentricity according to the eccentric journal on the crank shaft, is convenient to rotate by taking the eccentric journal as the center of a circle and realizes more uniform and consistent surface treatment effect.

Disclosure of utility model

In order to overcome the defects that the eccentric characteristic of eccentric journals on a crankshaft is easy to cause uneven surface treatment and uniform surface treatment of each eccentric journal cannot be ensured in the existing strengthening treatment of the outer surface of the crankshaft, the utility model provides a strengthening treatment device for the outer surface of the crankshaft, which can adjust the eccentricity according to the eccentric journals on the crankshaft, is convenient to rotate by taking the eccentric journals as the circle centers and realizes more uniform and consistent surface treatment effect.

According to the technical scheme, the crank shaft outer surface strengthening treatment device comprises a bottom plate, a movable support, a first motor, a telescopic shaft, an eccentric assembly, a driving assembly and a shot blasting assembly, wherein the left part of the bottom plate is connected with the movable support in a sliding mode, the front part and the rear part of the movable support are connected with the first motor, the output shaft of the first motor is provided with a rotating shaft, the rotating shaft is connected with the movable support in a rotating mode, the telescopic shaft is connected with the telescopic shaft in a sliding mode, the eccentric assembly for adjusting the eccentricity according to an eccentric shaft neck on a crank shaft is arranged on the telescopic shaft, the driving assembly capable of automatically moving the movable support is arranged between the bottom plate and the movable support, and the shot blasting assembly capable of shot blasting the outer surface of the crank shaft is arranged on the right part of the bottom plate.

In a preferred embodiment of the utility model, the eccentric assembly comprises a first electric push rod, an eccentric disc, a second electric push rod and a clamping block, wherein the left part and the right part of the telescopic shaft are respectively connected with the first electric push rod, the eccentric disc is respectively connected between the telescopic ends of two adjacent first electric push rods, the eccentric disc is respectively connected with the adjacent telescopic shafts in a sliding manner, one side, close to each other, of the eccentric disc is respectively connected with a plurality of second electric push rods, and the telescopic ends of the second electric push rods are respectively connected with the clamping block.

In a preferred embodiment of the utility model, the driving assembly comprises a second motor and a first screw rod, the upper side of the left front part of the bottom plate is connected with the second motor, the output shaft of the second motor is connected with the first screw rod, the first screw rod is rotatably connected with the bottom plate, and the movable support is in threaded connection with the first screw rod.

In a preferred embodiment of the utility model, the shot blasting assembly comprises a hydraulic cylinder, a connecting plate, a movable shell, an isolation shell, a third motor, a second screw rod, a movable block, a fourth motor, a spray head and a first collecting frame, wherein the upper side of the right rear part of the bottom plate is connected with the hydraulic cylinder, the telescopic end of the hydraulic cylinder is connected with the connecting plate, the lower side of the connecting plate is connected with the movable shell, the upper side of the right part of the bottom plate is connected with the first collecting frame, the upper side of the right part of the first collecting frame is connected with the isolation shell, the front upper part of the isolation shell is connected with the third motor, the output shaft of the third motor is connected with the second screw rod, the second screw rod is connected with the isolation shell in a rotary mode, the movable block is connected with the isolation shell in a sliding mode, the lower part of the movable block is connected with the fourth motor, the spray head is connected with the output shaft of the fourth motor, and the spray head is connected with the movable block in a rotary mode.

In a preferred embodiment of the utility model, the filter screen plate is rotatably connected to the upper part of the first collecting frame, the third electric push rod is connected to the rear side of the left part of the first collecting frame, and the telescopic end of the third electric push rod contacts with the filter screen plate.

In a preferred embodiment of the utility model, the device further comprises a spring, a baffle plate and a second collecting frame, wherein the second collecting frame is connected to the right side of the first collecting frame, the baffle plate is connected to the right part of the first collecting frame in a sliding mode, and the spring is connected between the front part and the rear part of the baffle plate and the first collecting frame.

Compared with the prior art, the utility model has the advantages that 1, the eccentric disc is driven to move forwards or backwards by starting the first electric push rod, so that the eccentric shaft neck on the outer side of the crankshaft is aligned with the telescopic shaft, and then the crankshaft is driven to rotate by the first motor, so that the crankshaft rotates by taking the eccentric shaft neck as the circle center, the eccentricity can be adjusted according to the eccentric shaft neck on the crankshaft, the eccentric shaft neck can be conveniently rotated by taking the eccentric shaft neck as the circle center, and the effect of more uniform and consistent surface treatment effect is realized.

2. According to the utility model, the extension end of the third electric push rod extends out to push the filter screen plate to drive the filter screen plate to rotate, so that the filter screen plate contacts with the extrusion baffle plate to drive the baffle plate to move downwards, the spring is extruded and contracted, and the intact steel shots are obliquely discharged into the second collecting frame through the filter screen plate, so that the effects of conveniently classifying and collecting the used steel shots, facilitating subsequent processing and utilization and improving the resource utilization rate are achieved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of a partial perspective structure of the present utility model.

Fig. 3 is a schematic cross-sectional perspective view of the eccentric assembly of the present utility model.

FIG. 4 is a schematic perspective view of a shot blasting assembly according to the present utility model.

FIG. 5 is a schematic perspective view of a shot blasting assembly according to the present utility model.

Fig. 6 is a schematic perspective view of a screen panel according to the present utility model.

Fig. 7 is a schematic cross-sectional perspective view of a second collecting frame according to the present utility model.

Fig. 8 is a schematic cross-sectional perspective view of a baffle plate according to the present utility model.

The marks of all parts in the drawing are as follows, 1, a bottom plate, 2, a movable support, 3, a first motor, 4, a telescopic shaft, 5, a first electric push rod, 6, an eccentric disc, 7, a second electric push rod, 8, a clamping block, 9, a second motor, 91, a first screw rod, 10, a hydraulic cylinder, 11, a connecting plate, 12, a movable shell, 13, a separation shell, 14, a third motor, 141, a second screw rod, 15, a movable block, 151, a fourth motor, 16, a spray head, 17, a first collecting frame, 18, a filter screen plate, 19, a third electric push rod, 20, a spring, 21, a baffle plate, 22 and a second collecting frame.

Detailed Description

Although the utility model may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the utility model. Those of ordinary skill in the art will recognize that terms such as above, below, upward, downward, etc. are used descriptively of the figures, and do not represent limitations on the scope of the utility model, as defined by the appended claims. Any numerical designation such as first or second is merely exemplary and is not intended to limit the scope of the present utility model in any way.

1-8, Including bottom plate 1, movable support 2, first motor 3, telescopic shaft 4, first electric push rod 5, eccentric disc 6, second electric push rod 7, grip block 8, second motor 9, first lead screw 91, pneumatic cylinder 10, connecting plate 11, movable shell 12, isolation shell 13, third motor 14, second lead screw 141, movable block 15, fourth motor 151, shower nozzle 16, first collection frame 17, filter screen plate 18, third electric push rod 19, spring 20, baffle 21 and second collection frame 22, the left part of bottom plate 1 is connected with movable support 2 in a sliding manner, both front and back parts of movable support 2 are connected with first motor 3, the output shaft of first motor 3 is provided with a rotation shaft, both rotation shafts are connected with movable support 2 in a rotating manner, both left and right parts of telescopic shaft 4 are connected with first electric push rod 5 in a sliding manner, an eccentric disc 6 is connected between the telescopic ends of two adjacent first electric push rods 5, the eccentric disc 6 is connected with an adjacent telescopic shaft 4 in a sliding manner, one side, close to each other, of the eccentric disc 6 is connected with three second electric push rods 7, the telescopic ends of the second electric push rods 7 are connected with clamping blocks 8, the upper side of the left front part of a bottom plate 1 is connected with a second motor 9, the output shaft of the second motor 9 is connected with a first screw rod 91, the first screw rod 91 is connected with the bottom plate 1 in a rotary manner, a movable support 2 is connected with the first screw rod 91 in a threaded manner, the upper side of the right rear part of the bottom plate 1 is connected with a hydraulic cylinder 10, the telescopic end of the hydraulic cylinder 10 is connected with a connecting plate 11, the lower side of the connecting plate 11 is connected with a movable shell 12, the upper side of the right part of the bottom plate 1 is connected with a first collecting frame 17, the upper side of the right part of the first collecting frame 17 is connected with a separating shell 13, the front upper part of the separating shell 13 is connected with a third motor 14, the output shaft of the third motor 14 is connected with a second screw rod 141, the second screw rod 141 is rotationally connected with the isolation shell 13, the second screw rod 141 is connected with a moving block 15 in a threaded manner, the moving block 15 is slidably connected with the isolation shell 13, the lower part of the moving block 15 is connected with a fourth motor 151, the output shaft of the fourth motor 151 is connected with a spray head 16, the spray head 16 is rotationally connected with the moving block 15, the upper part of the first collecting frame 17 is rotationally connected with a filter screen plate 18, the left rear side of the first collecting frame 17 is connected with a third electric push rod 19, the telescopic end of the third electric push rod 19 is contacted with the filter screen plate 18, the right side of the first collecting frame 17 is connected with a second collecting frame 22, the right side of the first collecting frame 17 is slidably connected with a baffle 21, and springs 20 are connected between the front part and the rear part of the baffle 21 and the first collecting frame 17.

When the device is used, firstly, the bottom plate 1 is placed in a strengthening treatment area on the outer surface of a crankshaft, 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, the clamping blocks 8 are driven to be close to each other to fix two ends of the crankshaft, then the second motor 9 is started, the first screw rod 91 is driven to rotate, the movable support 2 is driven to move rightwards under the action of threads, the crankshaft is driven to move above the first collecting frame 17, then the hydraulic cylinder 10 is started, the connecting plate 11 and the movable shell 12 are driven to move downwards, the movable shell 12 is driven to contact the first collecting frame 17, the first motor 3 is started again, the telescopic shaft 4 is driven to rotate, the crankshaft is driven to rotate, the fourth motor 151 is started, the spray head 16 is driven to rotate and align with the crankshaft, the third motor 14 is started, and the second screw rod 141 is driven to rotate, the moving block 15 moves under the action of the screw thread, the shot blasting is carried out on the crankshaft through the spray head 16, then the first electric push rod 5 is started to drive the eccentric disc 6 to move forwards or backwards, the eccentric shaft neck close to the outer side on the crankshaft is aligned with the telescopic shaft 4, then the first motor 3 drives the crankshaft to rotate, the crankshaft rotates around the eccentric shaft neck as the center of a circle, the spray head 16 carries out the shot blasting, the eccentricity of the crankshaft can be regulated according to the eccentric shaft neck, the eccentric shaft neck is convenient to rotate around the center of a circle, the more uniform and consistent surface treatment effect is realized, the sprayed intact steel shots fall onto the filter screen 18, the damaged steel shots are discharged into the first collecting frame 17 through the filter screen 18, the third electric push rod 19 can be started after the shot blasting is finished, the telescopic end of the third electric push rod 19 stretches out to push the filter screen 18, the filter screen plate 18 is driven to rotate, the filter screen plate 18 is enabled to contact the extrusion baffle plate 21, the baffle plate 21 is driven to move downwards, the springs 20 are extruded and contracted, and good steel shots are enabled to be obliquely 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, the subsequent processing and utilization are facilitated, the resource utilization rate is improved, after classification is completed, the third electric push rod 19 is reversely started, the springs 20 are restored, the baffle plate 21 is driven to move and reset, and the filter screen plate 18 is enabled to rotate and reset.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The crank shaft outer surface strengthening treatment device is characterized by comprising a bottom plate (1), a movable support (2), a first motor (3), a telescopic shaft (4), an eccentric assembly, a driving assembly and a shot blasting assembly, wherein the movable support (2) is connected to the left part of the bottom plate (1) in a sliding mode, the first motor (3) is connected to the front part and the rear part of the movable support (2), a rotating shaft is arranged on an output shaft of the first motor (3), the rotating shaft is connected with the movable support (2) in a rotating mode, the telescopic shaft (4) is connected to the rotating shaft in a sliding mode, the eccentric assembly for adjusting the eccentricity according to an eccentric shaft neck on a crank shaft is arranged on the telescopic shaft (4), the driving assembly capable of automatically moving the movable support (2) is arranged between the bottom plate (1) and the movable support (2), and the shot blasting assembly capable of carrying out shot blasting on the outer surface of the crank shaft is arranged on the right part of the bottom plate (1).

2. The crank shaft outer surface strengthening treatment device according to claim 1, wherein the eccentric assembly comprises a first electric push rod (5), an eccentric disc (6), a second electric push rod (7) and clamping blocks (8), the left and right parts of the telescopic shafts (4) are respectively connected with the first electric push rod (5), the eccentric discs (6) are respectively connected between the telescopic ends of the two adjacent first electric push rods (5), the eccentric discs (6) are respectively connected with the adjacent telescopic shafts (4) in a sliding mode, one sides, close to each other, of the eccentric discs (6) are respectively connected with a plurality of second electric push rods (7), and the telescopic ends of the second electric push rods (7) are respectively connected with the clamping blocks (8).

3. The crank shaft outer surface strengthening treatment device according to claim 1, wherein the driving assembly comprises a second motor (9) and a first screw rod (91), the upper side of the left front part of the bottom plate (1) is connected with the second motor (9), the output shaft of the second motor (9) is connected with the first screw rod (91), the first screw rod (91) is rotationally connected with the bottom plate (1), and the movable support (2) is in threaded connection with the first screw rod (91).

4. The strengthening treatment device for the outer surface of the crankshaft, as set forth in claim 1, characterized in that the shot blasting assembly comprises a hydraulic cylinder (10), a connecting plate (11), a movable shell (12), an isolation shell (13), a third motor (14), a second screw rod (141), a movable block (15), a fourth motor (151), a spray head (16) and a first collecting frame (17), wherein the hydraulic cylinder (10) is connected to the upper side of the right rear part of the bottom plate (1), the connecting plate (11) is connected to the telescopic end of the hydraulic cylinder (10), the movable shell (12) is connected to the lower side of the connecting plate (11), the first collecting frame (17) is connected to the upper side of the right part of the bottom plate (1), the isolation shell (13) is connected to the upper side of the right part of the first collecting frame (17), the third motor (14) is connected to the front upper part of the isolation shell (13), the second screw rod (141) is connected to the output shaft of the third motor (14), the second screw rod (141) is connected to the rotary type of the isolation shell (13), the movable block (15) is connected to the upper screw rod (141), the movable block (15) is connected to the upper side of the isolation shell (13) in a sliding mode, the upper part of the fourth motor (151) is connected to the upper part of the output shaft (151), the spray head (16) is rotationally connected with the moving block (15).

5. The device for strengthening the outer surface of the crankshaft as claimed in claim 4, further comprising a filter screen plate (18) and a third electric push rod (19), wherein the filter screen plate (18) is rotatably connected to the upper portion of the first collecting frame (17), the third electric push rod (19) is connected to the rear side of the left portion of the first collecting frame (17), and the telescopic end of the third electric push rod (19) is in contact with the filter screen plate (18).

6. The device for strengthening the outer surface of the crankshaft as set forth in claim 4, further comprising a spring (20), a baffle plate (21) and a second collecting frame (22), wherein the second collecting frame (22) is connected to the right side of the first collecting frame (17), the baffle plate (21) is connected to the right part of the first collecting frame (17) in a sliding manner, and the spring (20) is connected between the front part and the rear part of the baffle plate (21) and the first collecting frame (17).