CN219026650U

CN219026650U - Clamp for positioning and processing outer diameter of crankshaft

Info

Publication number: CN219026650U
Application number: CN202221520923.6U
Authority: CN
Inventors: 李永生; 黄军林; 徐佳男
Original assignee: Hangzhou Wanbao Numerical Control Machine Tool Co ltd
Current assignee: Hangzhou Wanbao Numerical Control Machine Tool Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2023-05-16
Anticipated expiration: 2032-06-17

Abstract

The utility model provides a clamp for positioning and processing an outer diameter of a crankshaft, and belongs to the technical field of crankshaft processing clamps. The novel crank clamping device comprises a U-shaped frame, wherein a motor is fixedly arranged at one end of the U-shaped frame, an electric push rod is fixedly arranged at the other end of the U-shaped frame, an assembly disc is fixedly connected with a driving shaft of the motor, a pressure sensor is fixedly arranged at one end of the assembly disc, a front clamping seat is fixedly arranged at the stressed end of the pressure sensor, a connecting seat is fixedly arranged at the telescopic end of the electric push rod, a rear clamping seat is rotatably arranged at one end of the connecting seat through an assembly shaft, a controller is fixedly arranged on the side face of the U-shaped frame, and a first column head is fixedly connected at one end of the front clamping seat.

Description

Clamp for positioning and processing outer diameter of crankshaft

Technical Field

The utility model relates to the technical field of crankshaft machining clamps, in particular to a clamp for positioning and machining an outer diameter of a crankshaft.

Background

The crankshaft is the most important part in the engine, and is used for bearing the force transmitted by the connecting rod, converting the force into torque, outputting the torque through the crankshaft and driving other accessories on the engine to work, and the crankshaft is subjected to the combined action of the centrifugal force of the rotating mass, the periodically-changed gas inertia force and the reciprocating inertia force, so that the crankshaft is subjected to the action of bending torsion load. However, in the process of the traditional clamp for processing the outer diameter of the crankshaft, the clamping seat is driven by the hand wheel to clamp and position the crankshaft by manual rotation, so that the clamping and positioning operation of the crankshaft is inconvenient, the extrusion force born by the crankshaft is difficult to stop and control in time, and the crankshaft is easy to damage due to overlarge stress during clamping and positioning, so that the clamp for processing the outer diameter of the crankshaft is disclosed to meet the demands of people.

Disclosure of Invention

The utility model aims to provide a clamp for positioning and processing the outer diameter of a crankshaft, which aims to solve the problems that in the process of the clamp for processing the outer diameter of the crankshaft, the clamping and positioning operation of the crankshaft is inconvenient and the extrusion force born by the crankshaft is difficult to stop and control in time because a hand wheel is manually rotated to drive a clamping seat to clamp and position the crankshaft, and the crankshaft is easy to be damaged due to overlarge stress during clamping and positioning.

The technical scheme of the utility model is as follows: the utility model provides a be used for location processing bent axle external diameter anchor clamps, includes the U-shaped frame, the one end fixed mounting of U-shaped frame has the motor, the other end fixed mounting of U-shaped frame has electric putter, the drive shaft fixedly connected with assembly dish of motor, the one end fixed mounting of assembly dish has pressure sensor, pressure sensor's atress end fixed mounting has preceding cassette, electric putter's flexible fixed mounting has the connecting seat, the one end of connecting seat is rotated through the assembly axle and is installed back cassette, the side fixed mounting of U-shaped frame has the controller, the one end fixedly connected with first column cap of preceding cassette, the one end fixedly connected with second column cap of back cassette.

Preferably, the output end of the pressure sensor is electrically connected to the input end of the controller, and the output end of the controller is electrically connected to the input end of the electric push rod.

Preferably, a control switch is fixedly arranged at the bottom side of the controller, and the output end of the control switch is electrically connected with the input ends of the motor and the electric push rod.

Preferably, the end face of the front clamping seat is fixedly provided with an anti-slip gasket a, and the end face of the rear clamping seat is fixedly provided with an anti-slip gasket b.

Preferably, the anti-slip gasket a and the anti-slip gasket b are both made of rubber.

Preferably, the surface of the U-shaped frame is provided with a weight-reducing port, and the inner side of the weight-reducing port is fixedly connected with a connecting frame.

Preferably, a guide sliding groove is formed in the surface of the connecting frame, a guide sliding block is fixedly arranged at the bottom end of the connecting seat, and the guide sliding block is in sliding connection with the guide sliding groove.

Preferably, the bottom side of the U-shaped frame is fixedly connected with a mounting block, and the surface of the mounting block is provided with an assembly hole.

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

according to the utility model, the electric push rod is used for extending to drive the rear clamping seat to move forwards, the front clamping seat and the rear clamping seat are respectively extruded on the two end faces of the crankshaft, the extrusion force born by the crankshaft can be monitored in real time by the pressure sensor, and the controller is used for controlling the electric push rod to stop extending until the extrusion force born by the crankshaft reaches a preset value, so that the crankshaft can be clamped and positioned quickly, the use operation is convenient and simple, the extrusion force born by the crankshaft can be stopped and controlled in time, and the damage caused by overlarge stress during the clamping and positioning of the crankshaft can be effectively prevented.

Drawings

The utility model is further explained below with reference to the drawings and examples:

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic side view of the present utility model;

fig. 5 is a functional block diagram of the present utility model.

Reference numerals illustrate: 1. a U-shaped frame; 11. a weight reducing port; 12. a connecting frame; 13. a guide chute; 14. a controller; 15. a control switch; 16. a mounting block; 2. a motor; 21. a mounting plate; 22. a pressure sensor; 23. a front clamping seat; 24. a first column head; 25. a non-slip pad a; 3. an electric push rod; 31. a connecting seat; 32. assembling a shaft; 33. a rear clamping seat; 34. a guide slide block; 35. a second column; 36. an anti-slip pad b; 4. and (3) a crankshaft.

Detailed Description

The following detailed description of the present utility model refers to the accompanying drawings, which illustrate the utility model in a detailed manner, and it is apparent that the embodiments described are only some, but not all, of the embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model provides a fixture for positioning and processing an outer diameter of a crankshaft, which comprises a U-shaped frame 1, wherein a motor 2 is fixedly arranged at one end of the U-shaped frame 1, an electric push rod 3 is fixedly arranged at the other end of the U-shaped frame 1, a driving shaft of the motor 2 is fixedly connected with an assembly disc 21, a pressure sensor 22 is fixedly arranged at one end of the assembly disc 21, a front clamping seat 23 is fixedly arranged at a stress end of the pressure sensor 22, a connecting seat 31 is fixedly arranged at a telescopic end of the electric push rod 3, a rear clamping seat 33 is rotatably arranged at one end of the connecting seat 31 through an assembly shaft 32, a controller 14 is fixedly arranged at a side surface of the U-shaped frame 1, a first column head 24 is fixedly connected at one end of the front clamping seat 23, and a second column head 35 is fixedly connected at one end of the rear clamping seat 33.

The output end of the pressure sensor 22 is electrically connected to the input end of the controller 14, and the output end of the controller 14 is electrically connected to the input end of the electric putter 3, so that the controller 14 can control the electric putter 3 to operate according to the pressure information monitored by the pressure sensor 22. The bottom side of the controller 14 is fixedly provided with a control switch 15, and the output end of the control switch 15 is electrically connected with the input ends of the motor 2 and the electric push rod 3, so that the purpose of controlling the motor 2 and the electric push rod 3 to operate through the control switch 15 is achieved. The end face of the front clamping seat 23 is fixedly provided with an anti-slip gasket a25, and the end face of the rear clamping seat 33 is fixedly provided with an anti-slip gasket b36, so that the aim of improving the anti-slip performance of the front clamping seat 23 and the rear clamping seat 33 is fulfilled. The anti-slip pad a25 and the anti-slip pad b36 are both made of rubber. The surface of the U-shaped frame 1 is provided with a weight reducing opening 11, and the inner side of the weight reducing opening 11 is fixedly connected with a connecting frame 12.

The surface of the connecting frame 12 is provided with a guide chute 13, the bottom end of the connecting seat 31 is fixedly provided with a guide slide block 34, and the guide slide block 34 is in sliding connection with the guide chute 13, so that the aim of guiding and limiting the movement of the connecting seat 31 is fulfilled. The bottom side fixedly connected with installation piece 16 of U-shaped frame 1, the mounting hole has been seted up on the surface of installation piece 16, has reached the purpose that can carry out fixed mounting with U-shaped frame 1.

Working principle: in the use process, insert first column cap 24 in the one end centre bore of bent axle 4, use electric putter 3 extension to drive back holder 33 and remove forward, second column cap 35 inserts in the other end centre bore of bent axle 4, preceding holder 23 and back holder 33 extrude respectively in the both ends face of bent axle 4, utilize pressure sensor 22 to carry out real-time supervision to the extrusion force that bent axle 4 received, when the extrusion force that bent axle 4 received reaches the default, controller 14 controls electric putter 3 and stops the extension, guarantee to press from both sides tight location with bent axle 4 and can in time stop the extrusion force that bent axle 4 received simultaneously, can drive bent axle 4 through motor 2 and turn, be convenient for carry out the processing to bent axle 4 external diameter.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a be used for location processing bent axle external diameter anchor clamps, includes U-shaped frame (1), its characterized in that: the utility model discloses a motor, including U-shaped frame (1), motor (2) are installed to the one end fixed mounting of U-shaped frame (1), the other end fixed mounting of U-shaped frame (1) has electric putter (3), the drive shaft fixedly connected with assembly dish (21) of motor (2), the one end fixed mounting of assembly dish (21) has pressure sensor (22), the atress fixed mounting of pressure sensor (22) has preceding cassette (23), the flexible fixed mounting of electric putter (3) has connecting seat (31), back cassette (33) are installed through assembly axle (32) rotation to the one end of connecting seat (31), the side fixed mounting of U-shaped frame (1) has controller (14), the one end fixedly connected with first column cap (24) of preceding cassette (23), the one end fixedly connected with second column cap (35) of back cassette (33).

2. A fixture for locating machined crankshaft outer diameters as set forth in claim 1, wherein: the output end of the pressure sensor (22) is electrically connected to the input end of the controller (14), and the output end of the controller (14) is electrically connected to the input end of the electric push rod (3).

3. A fixture for locating machined crankshaft outer diameters as set forth in claim 1, wherein: the bottom side of the controller (14) is fixedly provided with a control switch (15), and the output end of the control switch (15) is electrically connected with the input ends of the motor (2) and the electric push rod (3).

4. A fixture for locating machined crankshaft outer diameters as set forth in claim 1, wherein: the anti-slip gasket a (25) is fixedly arranged on the end face of the front clamping seat (23), and the anti-slip gasket b (36) is fixedly arranged on the end face of the rear clamping seat (33).

5. The fixture for positioning and machining the outer diameter of a crankshaft as claimed in claim 4, wherein: the anti-skid pad a (25) and the anti-skid pad b (36) are both made of rubber.

6. A fixture for locating machined crankshaft outer diameters as set forth in claim 1, wherein: the surface of the U-shaped frame (1) is provided with a weight-reducing opening (11), and the inner side of the weight-reducing opening (11) is fixedly connected with a connecting frame (12).

7. The fixture for positioning and machining the outer diameter of a crankshaft as claimed in claim 6, wherein: the surface of link (12) has seted up guide chute (13), the bottom fixed mounting of connecting seat (31) has guide slider (34), guide slider (34) and guide chute (13) sliding connection.

8. A fixture for locating machined crankshaft outer diameters as set forth in claim 1, wherein: the U-shaped frame is characterized in that the bottom side of the U-shaped frame (1) is fixedly connected with a mounting block (16), and an assembly hole is formed in the surface of the mounting block (16).