CN216029763U

CN216029763U - Crankshaft grinding and clamping device

Info

Publication number: CN216029763U
Application number: CN202122165133.2U
Authority: CN
Inventors: 张军粱; 干永良
Original assignee: Anhui Yiheng Machinery Co ltd
Current assignee: Anhui Yiheng Machinery Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-03-15
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a crankshaft grinding and clamping device, which comprises a base and an operation table arranged on the top of the base. The top of the operation table is provided with a first support plate and a second support plate, the first support plate and the second support plate The sides of the support plates that are close to each other are connected with mounting blocks through connecting shafts, and the mounting blocks are provided with limiting components, the first support plate and the second support plate are provided with rotating components, and the base is provided with a A drive assembly that drives the operating table to rotate; the limit assembly is used to fix both ends of the crankshaft, including a limit slot opened on the side of the mounting block away from the connecting shaft, and both sides of the limit slot are threadedly connected There is a threaded rod, one end of the threaded rod is connected to the limit plate, and the end of the threaded rod away from the limit plate extends to the outside of the mounting block and is provided with a knob. flexibility and practicality.

Description

Crankshaft grinding and clamping device

Technical Field

The utility model relates to the technical field of crankshaft machining equipment, in particular to a crankshaft grinding and clamping device.

Background

The crankshaft is the most important component in the engine. It takes the force from the connecting rod and converts it into torque to be output by the crankshaft and drive other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load. After the crankshaft is machined, the crankshaft generally needs to be polished to remove burrs, mantles and the like left on the surface of the crankshaft by machining.

In the crankshaft grinding clamping device with the current notice number of CN206154103U, a crankshaft can be driven to rotate on a grinding plane at will by being provided with a rotatable movable clamping frame and a movable positioning chuck, the crankshaft grinding device has some defects when in use, the crankshaft is inconvenient to drive to rotate in the grinding process, the grinding surface is limited, the flexibility of the device is influenced, and the crankshaft with different sizes is inconvenient to clamp and fix when in use, so that the practicability is influenced.

To address the above issues, an improved crankshaft sanding clamping device is now devised.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crankshaft grinding and clamping device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a crankshaft polishing clamping device comprises a base and an operating platform arranged on the top of the base, wherein a first supporting plate and a second supporting plate are arranged on the top of the operating platform, one sides, close to each other, of the first supporting plate and the second supporting plate are connected with mounting blocks through connecting shafts, limiting assemblies are arranged on the mounting blocks, rotating assemblies are arranged inside the first supporting plate and the second supporting plate, and driving assemblies used for driving the operating platform to rotate are arranged inside the base;

the limiting assembly is used for fixing two ends of the crankshaft and comprises a limiting groove which is formed in the installation block and is far away from one side of the connecting shaft, threaded rods are connected to two sides of the limiting groove in a threaded mode, one end of each threaded rod is connected with a limiting plate, and one end, far away from the limiting plate, of each threaded rod extends to the outside of the installation block and is provided with a knob.

Preferably, the rotating assembly is used for driving the mounting block to rotate and comprises a rotating motor arranged inside the second support plate, the output end of the rotating motor is connected with a transmission shaft perpendicular to the connecting shaft, a first bevel gear is arranged on the transmission shaft, and one end, far away from the mounting block, of the connecting shaft extends into the second support plate and is provided with a second bevel gear meshed with the first bevel gear.

Preferably, drive assembly is including setting up the driving motor in the base is inside, driving motor's output is connected with the pivot, the one end that driving motor was kept away from in the pivot extends to the base outside and is connected with the operation panel.

Preferably, a hydraulic rod is arranged at the top of the operating platform, and the output end of the hydraulic rod is connected with one side, far away from the first supporting plate, of the second supporting plate.

Preferably, the bottom end of the second supporting plate is provided with a guide block, and the operating platform is provided with a sliding groove matched with the guide block.

Preferably, the limiting plate is arc-shaped, and the surface of the limiting plate is provided with a cushion pad.

Compared with the prior art, the utility model has the beneficial effects that:

1. the device is provided with the limiting assembly, the two ends of the crankshaft are respectively inserted into the corresponding limiting grooves, the threaded rod can be driven to rotate by rotating the knob, so that the limiting plate is driven to move until the limiting plate is in surface contact with the crankshaft, the crankshaft can be clamped and fixed, meanwhile, the device can adapt to crankshafts of various sizes, the crankshaft is prevented from moving in the polishing process, the distance between the two mounting blocks can be adjusted by arranging the hydraulic rod, the crankshafts of different lengths can be clamped and fixed conveniently, and the device is high in practicability.

2. The device is provided with the rotating assembly, the transmission shaft can be driven to rotate by starting the rotating motor, so that the first bevel gear is driven to rotate, the connecting shaft can be driven to rotate under the action of the second bevel gear, the mounting block is driven to rotate, the crankshaft is driven to rotate, the periphery of the crankshaft can be uniformly polished, and the device is high in practicability.

3. The device is provided with the driving assembly, the rotating shaft can be driven to rotate by starting the driving motor to rotate, so that the operating platform is driven to rotate, the crankshaft is driven to rotate, the flexibility of the limiting assembly can be improved, the polishing position can be conveniently adjusted, and the practicability is high.

Drawings

Fig. 1 is a schematic structural view of a crankshaft grinding and clamping device.

Fig. 2 is a schematic structural diagram of a mounting block in a crankshaft grinding and clamping device.

Fig. 3 is a schematic structural view of the interior of a second support plate in a crankshaft grinding and clamping device.

Fig. 4 is a schematic structural view of the inside of a base in a crankshaft grinding and clamping device.

The device comprises a base 11, an operation table 12, a first supporting plate 13, a second supporting plate 14, a hydraulic rod 15, a connecting shaft 16, a mounting block 17, a limiting groove 18, a threaded rod 19, a knob 20, a limiting plate 21, a driving motor 22, a rotating shaft 23, a sliding groove 24, a rotating motor 25, a transmission shaft 26, a first bevel gear 27 and a second bevel gear 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, in the embodiment of the present invention, a crankshaft grinding and clamping device includes a base 11 and an operating platform 12 disposed on the top of the base 11, a first supporting plate 13 and a second supporting plate 14 are disposed on the top of the operating platform 12, one sides of the first supporting plate 13 and the second supporting plate 14, which are close to each other, are connected to an installation block 17 through a connecting shaft 16, a limiting assembly is disposed on the installation block 17, a rotating assembly is disposed inside the first supporting plate 13 and the second supporting plate 14, and a driving assembly for driving the operating platform 12 to rotate is disposed inside the base 11;

spacing subassembly for fix the both ends of bent axle, including seting up the spacing groove 18 of keeping away from connecting axle 16 one side at installation piece 17, the equal threaded connection in both sides of spacing groove 18 inside has threaded

rod

19, 19 one end of threaded rod is connected with limiting plate 21, the one end that limiting plate 21 was kept away from to threaded rod 19 extends to installation piece 17 outside and is provided with knob 20.

The rotating assembly is used for driving the installation block 17 to rotate, and comprises a rotating motor 25 arranged inside the second support plate 14, the output end of the rotating motor 25 is connected with a transmission shaft 26 perpendicular to the connecting shaft 16, a first bevel gear 27 is arranged on the transmission shaft 26, one end, away from the installation block 17, of the connecting shaft 16 extends into the second support plate 14 and is provided with a second bevel gear 28 meshed with the first bevel gear 27, the transmission shaft can be driven to rotate by starting the rotating motor, so that the first bevel gear is driven to rotate, the connecting shaft can be driven to rotate under the action of the second bevel gear, the installation block is driven to rotate, then the crankshaft is driven to rotate, and the periphery of the crankshaft can be uniformly polished.

Drive assembly is including setting up the driving motor 22 in base 11 inside, driving motor 22's output is connected with pivot 23, the one end that driving motor 22 was kept away from in pivot 23 extends to base 11 outside and is connected with operation panel 12, rotates through starting driving motor and can drive the pivot and rotate to drive the operation panel and rotate, thereby drive the bent axle and rotate, can improve the flexibility of spacing subassembly, be convenient for adjust the position of polishing.

The top of operation panel 12 is provided with hydraulic stem 15, hydraulic stem 15's output and the one side of second backup pad 14 keeping away from first backup pad 13 are connected, 14 bottom of second backup pad are provided with the guide block, set up the spout 24 that matches with the guide block on the operation panel 12, can drive the second backup pad through starting the hydraulic stem and remove to adjust the distance between two installation pieces, be convenient for carry out the centre gripping to not unidimensional bent axle and fix, can improve the steadiness of second backup pad at the removal in-process through the cooperation of guide block and spout.

Example 2

The difference from example 1 is: limiting plate 21 is the arc and its surface is provided with the blotter, and curved limiting plate can improve the area of contact of limiting plate and bent axle with the outside phase-match of bent axle, is favorable to improving spacing effect, and the setting of blotter can be protected the bent axle surface, prevents to receive wearing and tearing at spacing in-process bent axle surface, and the practicality is strong.

The working principle of the utility model is as follows: can drive the second backup pad through starting the hydraulic stem and remove, thereby adjust the distance between two installation pieces, be convenient for carry out the centre gripping to not unidimensional bent axle and fix, through inserting the both ends of bent axle respectively corresponding spacing inslot, can drive the threaded rod through rotating the knob and rotate, thereby drive the limiting plate and remove, until limiting plate and bent axle surface contact, can carry out the centre gripping to the bent axle and fix, can adapt to the bent axle of multiple size simultaneously, can drive the transmission shaft through starting rotating electrical machines and rotate, thereby drive first bevel gear and rotate, can drive the connecting axle and rotate under second bevel gear's effect, thereby drive the installation piece and rotate, then drive the bent axle rotation, be favorable to improving device's flexibility, moreover, the steam generator is simple in structure, therefore, the clothes hanger is strong in practicability.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. A crankshaft grinding and clamping device, comprising a base (11) and an operating table (12) arranged on the top of the base (11), wherein the top of the operating table (12) is provided with a first support plate (13) ) and the second support plate (14), the sides of the first support plate (13) and the second support plate (14) close to each other are connected with a mounting block (17) through a connecting shaft (16), the mounting block (17) is A limit component is arranged on the block (17), a rotating component is arranged inside the first support plate (13) and the second support plate (14), and a rotation component is arranged inside the base (11) for driving the operating table (12) to rotate drive components;

The limiting assembly is used to fix both ends of the crankshaft, and includes a limiting groove (18) opened on the side of the mounting block (17) away from the connecting shaft (16), and two inside the limiting groove (18). A threaded rod (19) is threaded on both sides, one end of the threaded rod (19) is connected to a limiting plate (21), and one end of the threaded rod (19) away from the limiting plate (21) extends to the mounting block (17) External and provided with a knob (20).

2 . The crankshaft grinding and clamping device according to claim 1 , wherein the rotating assembly, used for driving the mounting block (17) to rotate, comprises a rotary motor arranged inside the second support plate (14). 3 . (25), the output end of the rotating electrical machine (25) is connected with a transmission shaft (26) perpendicular to the connecting shaft (16), the transmission shaft (26) is provided with a first bevel gear (27), the One end of the connecting shaft (16) away from the mounting block (17) extends to the inside of the second support plate (14) and is provided with a second bevel gear (28) meshing with the first bevel gear (27).

3. A crankshaft grinding and clamping device according to claim 1, characterized in that the drive assembly comprises a drive motor (22) arranged inside the base (11), and an output end of the drive motor (22) A rotating shaft (23) is connected, and one end of the rotating shaft (23) away from the driving motor (22) extends to the outside of the base (11) and is connected with the operating table (12).

4. A crankshaft grinding and clamping device according to claim 1, characterized in that a hydraulic rod (15) is provided on the top of the operating table (12), and the output end of the hydraulic rod (15) is connected to the second The support plate (14) is connected to one side away from the first support plate (13).

5 . The crankshaft grinding and clamping device according to claim 4 , wherein a guide block is provided at the bottom end of the second support plate ( 14 ), and a guide block is provided on the operating table ( 12 ). 6 . Matching chute (24).

6 . The crankshaft grinding and clamping device according to claim 1 , wherein the limiting plate ( 21 ) is arc-shaped and a buffer pad is provided on its surface. 7 .