CN219521744U

CN219521744U - Quick clamping device for engine crankshaft machining

Info

Publication number: CN219521744U
Application number: CN202320293913.1U
Authority: CN
Inventors: 潘荣伟; 林正飞; 吕存格
Original assignee: Zhejiang Carter Power Co ltd
Current assignee: Zhejiang Carter Power Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-08-15
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a rapid clamping device for processing an engine crankshaft, which relates to the technical field of engine crankshaft processing. The crankshaft to be processed is placed on the top surfaces of the first supporting seat and the second supporting seat, the two ends of the crankshaft are supported in an auxiliary mode through the first supporting seat and the second supporting seat, the crankshaft is supported in a suspended mode, then the rotating motor slides on the inner wall surface of the processing frame and drives the locking shaft rod to enter the locking hole, at the moment, the buckling blocks are buckled into the limiting grooves, rapid clamping of the driving shaft sleeve and the locking shaft rod is achieved, subsequent processing operation of the crankshaft is facilitated, clamping is simple, and installation and detachment are easy.

Description

Quick clamping device for engine crankshaft machining

Technical Field

The utility model relates to the field of engine crankshaft machining, in particular to a rapid clamping device for engine crankshaft machining.

Background

The surface roughness quality of the crankshaft journal is usually required to be polished, and the journal of the main shaft is searched, and the utility model patent with publication number of CN216422154U discloses a polishing device for engine crankshaft processing, which is used for rapidly driving the crankshaft to rotate for polishing through matching components such as a plate box, a motor, a first gear and the like, thereby being beneficial to improving the working efficiency of staff, being convenient for comprehensively polishing the crankshaft and avoiding flaws caused by incomplete polishing; through setting up the subassembly cooperatees such as threaded rod grip block and fixed block, be convenient for treat the bent axle of processing and carry out the centre gripping, and then drive the bent axle rotation and polish different positions, be favorable to carrying out comprehensive polishing to the bent axle.

When processing the surface of the crankshaft, the end part of the engine crankshaft is required to be assembled and clamped, so that the processing stability is ensured, and the subsequent processing of the engine crankshaft is convenient.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a rapid clamping device for engine crankshaft machining.

The utility model can be realized by the following technical scheme: the quick clamping device for machining the engine crankshaft comprises a crankshaft and a base, wherein the crankshaft is arranged above the base, the crankshaft comprises a driving shaft sleeve and a rotating rod, a supporting seat II and a supporting seat I which are used for supporting the crankshaft in an auxiliary mode are arranged on the top surface of the base, a locking hole is formed in the surface of the end portion of the driving shaft sleeve, two limiting grooves are symmetrically formed in the inner wall surface of the locking hole, a machining frame is arranged in the middle of the top surface of the base, a rotating motor is slidably arranged on the inner wall surface of the machining frame, a locking shaft rod matched with the locking hole in a plugging mode is arranged at the output end of the rotating motor, and a buckling block matched with the limiting grooves in a clamping mode is arranged on the outer surface of the locking shaft rod.

The utility model further technically improves that: the top end surfaces of the first supporting seat and the second supporting seat are respectively rotationally attached to the outer surfaces of the driving shaft sleeve and the rotating rod.

The utility model further technically improves that: the top surface of base station is equipped with the slide rail, the inside slidable mounting of slide rail has the slide frame with rotating electrical machines bottom surface rigid coupling, install the sharp cylinder that is used for promoting the rotating electrical machines motion on the outer wall surface of processing frame.

The utility model further technically improves that: the top side surface of the second supporting seat is fixedly connected with a blocking piece with an L-shaped structure, and the end surface of the rotating rod is abutted with the inner wall surface of the blocking piece.

The utility model further technically improves that: the crankshaft further comprises a crank fixedly connected with the end part of the driving shaft sleeve, a connecting rod journal is arranged on one side surface of the crank, and a main journal is arranged at the end part of the connecting rod journal through the crank.

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

1. the crankshaft to be processed is placed on the top surfaces of the first supporting seat and the second supporting seat, the two ends of the crankshaft are supported in an auxiliary mode through the first supporting seat and the second supporting seat, the crankshaft is supported in a suspended mode, the situation that the crankshaft falls off in taking out is avoided, the rotating motor slides on the inner wall surface of the processing frame and drives the locking shaft rod to enter the locking hole, at the moment, the buckling blocks are buckled into the limiting grooves, rapid clamping of the driving shaft sleeve and the locking shaft rod is achieved, follow-up processing operation of the crankshaft is facilitated, clamping is simple, and installation and detachment are easy;

2. after the locking shaft rod stretches into the locking hole, the linear cylinder pushes the end part of the rotating rod on the crankshaft to move towards the inner wall surface of the blocking piece until the end surface of the rotating rod is abutted with the inner wall surface of the blocking piece, so that the crankshaft can be clamped conveniently.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

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

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;

fig. 3 is an enlarged schematic view of the structure of the portion B in fig. 1 according to the present utility model.

In the figure: 1. a base station; 2. a processing rack; 3. a crank; 4. a main journal; 5. a connecting rod journal; 6. a straight line cylinder; 7. a sliding frame; 8. a slide rail; 9. a rotating electric machine; 10. a locking shaft lever; 11. a buckling block; 12. a driving shaft sleeve; 13. a locking hole; 14. a limit groove; 15. a first supporting seat; 16. a second supporting seat; 17. a rotating lever; 18. a barrier sheet.

Detailed Description

In order to further describe the technical means and effects adopted by the utility model for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the utility model with reference to the attached drawings and the preferred embodiment.

Referring to fig. 1-3, the utility model provides a quick clamping device for processing an engine crankshaft, which comprises the crankshaft and a base 1, wherein the crankshaft is arranged above the base 1, the crankshaft comprises a driving shaft sleeve 12 and a rotating rod 17 at the end part, a processing frame 2 is arranged in the middle of the top surface of the base 1, a supporting seat two 16 for supporting the crankshaft in an auxiliary way and a supporting seat one 15 are arranged on the top surface of the base 1, a locking hole 13 is arranged on the end surface of the driving shaft sleeve 12, two limiting grooves 14 are symmetrically arranged on the inner wall surface of the locking hole 13, a rotating motor 9 is slidably arranged on the inner wall surface of the processing frame 2, a locking shaft rod 10 matched with the locking hole 13 is arranged at the output end of the rotating motor 9, a buckling block 11 matched with the limiting groove 14 is arranged on the outer surface of the locking shaft rod 10, when the crankshaft is processed, the crankshaft to be processed is placed on the top surface of the supporting seat one 15 and the supporting seat two 16, the supporting seat two ends of the crankshaft are supported in an auxiliary way by the supporting seat one 15 and further, the condition that the crankshaft is suspended and the motor falls down in the taking out is avoided, then the rotating shaft sleeve 9 is easily clamped into the inner wall of the locking shaft sleeve 10 after the rotating shaft sleeve is clamped into the locking shaft sleeve 10, and the locking shaft 10 is easily clamped into the inner wall 10, and the locking shaft is easily clamped into the inner wall of the locking shaft 10, and the locking shaft is conveniently clamped into the locking shaft sleeve 10 after the locking shaft is clamped into the inner wall 10, and is conveniently clamped into the inner locking hole and has been clamped.

The top end surfaces of the first support seat 15 and the second support seat 16 are respectively rotationally attached to the outer surfaces of the driving shaft sleeve 12 and the rotating rod 17, so that the rotation operation of the crankshaft on the first support seat 15 and the second support seat 16 is realized.

The top surface of the base 1 is provided with a sliding rail 8, a sliding frame 7 fixedly connected with the bottom surface of the rotating motor 9 is slidably arranged in the sliding rail 8, a linear cylinder 6 for pushing the rotating motor 9 to move is arranged on the outer wall surface of the processing frame 2, the sliding frame 7 at the bottom of the rotating motor 9 is driven to directionally slide on the sliding rail 8 through linear driving of the linear cylinder 6, the rotating motor 9 is driven to be assisted to perform linear movement, a supporting effect is provided for the rotating motor 9 through the sliding frame 7, and when a locking shaft rod 10 and a buckling block 11 enter into a locking hole 13 and a limiting groove 14, the rotating motor 9 starts to rotate to drive a crankshaft to rotate at a constant speed, and then different sides of the crankshaft are convenient to process.

The blocking piece 18 with an L-shaped structure is fixedly connected to the surface of one side of the top of the second supporting seat 16, the end surface of the rotating rod 17 is abutted to the inner wall surface of the blocking piece 18, after the locking shaft rod 10 stretches into the locking hole 13, the linear cylinder 6 pushes the end of the rotating rod 17 on the crankshaft to move towards the inner wall surface of the blocking piece 18 until the end surface of the rotating rod 17 is abutted to the inner wall surface of the blocking piece 18, and the crankshaft is clamped conveniently.

The crankshaft further comprises a crank 3 fixedly connected with the end part of the driving shaft sleeve 12, a connecting rod journal 5 is arranged on one side surface of the crank 3, and a main journal 4 is arranged at the end part of the connecting rod journal 5 through the crank 3.

When the crankshaft to be processed is placed on the top surfaces of the first supporting seat 15 and the second supporting seat 16, the two ends of the crankshaft are supported in an auxiliary way by the first supporting seat 15 and the second supporting seat 16, so that the crankshaft is supported in a suspended way, then the rotating motor 9 slides on the inner wall surface of the processing frame 2 and drives the locking shaft rod 10 to enter the locking hole 13, at the moment, the buckling block 11 is buckled and enters the limiting groove 14, and the quick clamping of the driving shaft sleeve 12 and the locking shaft rod 10 is realized, so that the subsequent processing operation of the crankshaft is convenient, the clamping is simple, and the installation and the dismounting are easy;

after the locking shaft lever 10 stretches into the locking hole 13, the linear cylinder 6 pushes the end part of the rotating rod 17 on the crankshaft to move towards the inner wall surface of the blocking piece 18 until the end surface of the rotating rod 17 abuts against the inner wall surface of the blocking piece 18, so that the crankshaft can be clamped conveniently.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present utility model.

Claims

1. Quick clamping device of engine crankshaft processing, including bent axle and base (1), the bent axle sets up in the top of base (1), its characterized in that: the bent axle includes driving axle sleeve (12) and dwang (17) of tip, install on the top surface of base (1) be used for supporting seat two (16) and supporting seat one (15) to the bent axle is assisted, be equipped with locking hole (13) on the tip surface of driving axle sleeve (12), the symmetry is equipped with two spacing grooves (14) on the internal face of locking hole (13), top surface mid-mounting of base (1) has processing frame (2), slidable mounting has rotating electrical machines (9) on the internal face of processing frame (2), locking axostylus axostyle (10) with locking hole (13) cooperation grafting are installed to the output of rotating electrical machines (9), be provided with on the surface of locking axostylus axostyle (10) with spacing groove (14) joint complex lock piece (11).

2. The quick clamping device for engine crankshaft machining according to claim 1, wherein the top end surfaces of the first supporting seat (15) and the second supporting seat (16) are respectively in rotary fit with the outer surfaces of the driving shaft sleeve (12) and the rotating rod (17).

3. The quick clamping device for machining the engine crankshaft according to claim 1, wherein a sliding rail (8) is arranged on the top surface of the base (1), a sliding frame (7) fixedly connected with the bottom surface of the rotating motor (9) is slidably arranged in the sliding rail (8), and a linear cylinder (6) for pushing the rotating motor (9) to move is arranged on the outer wall surface of the machining frame (2).

4. The rapid clamping device for engine crankshaft machining according to claim 1, wherein a blocking piece (18) with an L-shaped structure is fixedly connected to the top side surface of the second supporting seat (16), and the end surface of the rotating rod (17) is abutted to the inner wall surface of the blocking piece (18).

5. The quick clamping device for engine crankshaft machining according to claim 1, characterized in that the crankshaft further comprises a crank (3) fixedly connected with the end of the driving shaft sleeve (12), a connecting rod journal (5) is mounted on one side surface of the crank (3), and a main journal (4) is mounted at the end of the connecting rod journal (5) through the crank (3).