CN217750715U

CN217750715U - Workpiece positioning mechanism of grinding machine for crankshaft machining

Info

Publication number: CN217750715U
Application number: CN202123409802.2U
Authority: CN
Inventors: 李岩
Original assignee: Hebei Jiexing Machinery Manufacturing Co ltd
Current assignee: Hebei Jiexing Machinery Manufacturing Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-11-08
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a work piece positioning mechanism of grinding machine for crankshaft machining, which comprises a supporting pedestal and is characterized by further comprising, support fixedly connected with fixed plate on the base, it is connected with first pivot to rotate on the fixed plate, sliding connection has the fly leaf on the support base, it is connected with the second pivot to rotate on the fly leaf, the equal fixedly connected with of one end that first pivot and second pivot are close to mutually changes the board, two connecting rods of equal fixedly connected with on two commentaries on classics boards, the same mounting panel of one end fixedly connected with who changes the board is kept away from to two connecting rods, two clamp plates of one side fixedly connected with of connecting rod are kept away from to the mounting panel, be connected with the centre gripping subassembly between two clamp plates, fixedly connected with support column on the support base, the top fixed mounting of support column has the motor, through two sets of centre gripping subassemblies, be convenient for fixed with the bent axle centre gripping, it rotates to drive first pivot through the motor, and then drive centre gripping subassembly and bent axle and rotate, be convenient for all-round polishing to the bent axle surface.

Description

Workpiece positioning mechanism of grinding machine for crankshaft machining

Technical Field

The utility model belongs to the technical field of the bent axle processing equipment, especially, relate to a workpiece positioning mechanism of grinding machine for bent axle processing.

Background

The crankshaft is a main rotating part of the engine, is an important part on the engine, plays a role in power output of the engine, bears force transmitted by a connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work, is subjected to the combined action of centrifugal force of rotating mass, gas inertia force with periodic change and reciprocating inertia force, bears the effect of bending and torsion load, and the rotation of the crankshaft is a power source of the engine and is also source power of the whole mechanical system.

When a crankshaft is machined, the surface of a workpiece needs to be polished, a grinding machine is needed, and the existing grinding machine for machining the crankshaft has poor clamping and positioning effects on the workpiece, so that the polishing efficiency is low.

Therefore, a workpiece positioning mechanism of a grinding machine for crankshaft machining is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a workpiece positioning mechanism of grinding machine for crankshaft machining.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a workpiece positioning mechanism of grinding machine for crankshaft machining, includes and supports the base, fixedly connected with fixed plate on the support base, it is connected with first pivot to rotate on the fixed plate, sliding connection has the fly leaf on the support base, it is connected with the second pivot to rotate on the fly leaf, the equal fixedly connected with commentaries on classics board of one end that first pivot and second pivot are close to mutually, two equal two connecting rods of fixedly connected with on the commentaries on classics board, two the same mounting panel of one end fixedly connected with of commentaries on classics board is kept away from to the connecting rod, two clamp plates of one side fixedly connected with of connecting rod are kept away from to the mounting panel, two be connected with the centre gripping subassembly between the clamp plate, fixedly connected with support column on the support base, the top fixed mounting of support column has the motor, the one end that first pivot is close to the motor extends the fixed plate and with the output fixed connection of motor.

Further, the bottom fixedly connected with slider of fly leaf, the spout has been seted up on the support base, slider and spout sliding connection.

Furthermore, the cross-section of slider and spout all is "T" style of calligraphy, the bottom of slider is embedded in the spout.

Further, the centre gripping subassembly is including solid fixed ring, arc splint and spring, two the clamp plate all with solid fixed ring's lateral wall fixed connection, spring fixed mounting is on solid fixed ring's inside wall, the one end and the arc splint fixed connection of solid fixed ring inside wall are kept away from to the spring.

Further, arc splint and spring are provided with the multiunit, multiunit arc splint and the cyclic annular array distribution of spring are in solid fixed ring's inboard, the inboard of arc splint is provided with the rubber pad.

Further, the centre gripping subassembly is provided with two sets ofly, two gu fixed ring level is unanimous.

Furthermore, a round opening is formed in the mounting plate and communicated with the inner side of the clamping assembly.

Further, the lateral wall of fly leaf is connected with locating component, locating component includes cylinder and roof, roof and fly leaf fixed connection, the output and the roof fixed connection of cylinder, fixedly connected with fixing base on the support base, cylinder fixed mounting is on the fixing base.

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

1. the crankshaft is clamped and fixed conveniently by arranging the motor, the first rotating shaft and the clamping assemblies and by two groups of clamping assemblies, the first rotating shaft is driven to rotate by the motor, the clamping assemblies and the crankshaft are further driven to rotate, and the surface of the crankshaft is polished in all directions conveniently;

2. through setting up locating component, flexible through the cylinder, drive the fly leaf and remove, and then be convenient for adjust the distance between two sets of centre gripping subassemblies, the not unidimensional bent axle of centre gripping of being convenient for facilitates the use.

Drawings

Fig. 1 is a schematic structural view of the whole workpiece positioning mechanism of the grinding machine for crankshaft machining according to the present invention;

fig. 2 is a schematic structural view of another overall view angle of the workpiece positioning mechanism of the grinding machine for processing the crankshaft provided by the present invention;

fig. 3 is a schematic structural view of a workpiece positioning mechanism clamping assembly of the grinding machine for crankshaft machining according to the present invention;

fig. 4 is a schematic structural view of the inner side of a chute of a workpiece positioning mechanism of the grinding machine for processing the crankshaft, provided by the utility model;

fig. 5 is the utility model provides a structural schematic diagram on the surface of workpiece positioning mechanism mounting plate of grinding machine for crankshaft machining.

In the figure: 1. a support base; 2. a fixing plate; 3. a first rotating shaft; 4. a movable plate; 5. a second rotating shaft; 6. rotating the plate; 7. a connecting rod; 8. mounting a plate; 9. pressing a plate; 10. a support pillar; 11. a motor; 12. a slider; 13. a chute; 14. a fixing ring; 15. an arc-shaped splint; 16. a spring; 17. a cylinder; 18. a top plate; 19. a fixed seat; 20. and (4) rounding the opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a workpiece positioning mechanism of grinding machine for crankshaft machining, including supporting base 1, fixedly connected with fixed plate 2 on supporting base 1, it is connected with first pivot 3 to rotate on fixed plate 2, it is connected with fly leaf 4 to slide on supporting base 1, it is connected with second pivot 5 to rotate on fly leaf 4, the equal fixedly connected with rotor 6 of one end that first pivot 3 and second pivot 5 are close to mutually, two connecting rods 7 of equal fixedly connected with on two rotor 6, the same mounting panel 8 of one end fixedly connected with of rotor 6 is kept away from to two connecting rods 7, two clamp plates 9 of one side fixedly connected with of connecting rod 7 are kept away from to mounting panel 8, be connected with the centre gripping subassembly between two clamp plates 9, fixedly connected with support column 10 on supporting base 1, the top fixed mounting of support column 10 has motor 11, the one end that first pivot 3 is close to motor 11 extends fixed plate 2 and is connected with the output of motor 11.

Referring to fig. 4, the bottom fixedly connected with slider 12 of fly leaf 4 has seted up spout 13 on the support base 1, and slider 12 and spout 13 sliding connection, the cross-section of slider 12 and spout 13 all are "T" style of calligraphy, and the bottom of slider 12 is embedded in spout 13, sets up slider 12 and spout 13, and the fly leaf 4 of being convenient for slides, carries on spacingly to fly leaf 4 simultaneously.

Referring to fig. 1 and 3, the centre gripping subassembly is including solid fixed ring 14, arc splint 15 and spring 16, two clamp plates 9 all with solid fixed ring 14's lateral wall fixed connection, spring 16 fixed mounting is on solid fixed ring 14's inside wall, spring 16 keeps away from the one end and the arc splint 15 fixed connection of solid fixed ring 14 inside wall, arc splint 15 and spring 16 are provided with the multiunit, multiunit arc splint 15 and the cyclic annular array distribution of spring 16 are at solid fixed ring 14's inboard, arc splint 15's inboard is provided with the rubber pad, the centre gripping subassembly is provided with two sets ofly, two solid fixed ring 14 level unanimity, place the tip of bent axle between arc splint 15 in, the restoring force through spring 16 makes arc splint 15 press from both sides the tip of bent axle tightly, through two sets of centre gripping subassemblies, press from both ends with the bent axle tightly respectively.

Referring to fig. 5, the mounting plate 8 is provided with a round opening 20, the round opening 20 is communicated with the inner side of the clamping assembly, and the round opening 20 is arranged, so that when the end of the crankshaft is long, the crankshaft can pass through the round opening 20, and the crankshaft can be clamped conveniently.

Referring to fig. 1, the lateral wall of fly leaf 4 is connected with locating component, and locating component includes cylinder 17 and roof 18, roof 18 and fly leaf 4 fixed connection, the output and roof 18 fixed connection of cylinder 17 support fixedly connected with fixing base 19 on the base 1, and cylinder 17 fixed mounting is on fixing base 19, and is flexible through cylinder 17, drives fly leaf 4 and removes, and then is convenient for adjust the distance between two sets of centre gripping subassemblies, is convenient for centre gripping not unidimensional bent axle.

Now, the operation principle of the present invention is described as follows: arrange the tip of bent axle in between the arc splint 15, the restoring force through spring 16 makes the arc splint 15 press from both sides the tip of bent axle tightly, through two sets of centre gripping subassemblies, press from both sides the both ends of bent axle tightly respectively, starter motor 11, motor 11 drives first pivot 3 and rotates, first pivot 3 drives commentaries on classics board 6 and rotates, and then drive mounting panel 8 through two connecting rods 7 and rotate, it rotates to drive centre gripping subassembly and bent axle through two clamp plates 9, be convenient for polish the bent axle surface, it is flexible through cylinder 17, drive fly leaf 4 and remove, and then be convenient for adjust the distance between two sets of centre gripping subassemblies, the not unidimensional bent axle of centre gripping of being convenient for, and convenient to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a workpiece positioning mechanism of grinding machine for crankshaft machining, is including supporting base (1), its characterized in that, fixedly connected with fixed plate (2) on supporting base (1), it is connected with first pivot (3) to rotate on fixed plate (2), sliding connection has fly leaf (4) on supporting base (1), it is connected with second pivot (5) to rotate on fly leaf (4), the equal fixedly connected with rotor plate (6) of one end that first pivot (3) and second pivot (5) are close to mutually, two equal fixedly connected with two connecting rods (7) on rotor plate (6), two the same mounting panel (8) of one end fixedly connected with of rotor plate (6) are kept away from in connecting rod (7), two clamp plates (9) of one side fixedly connected with of connecting rod (7) are kept away from in mounting panel (8), two be connected with the centre gripping subassembly between clamp plate (9), fixedly connected with support column (10) on supporting base (1), the top fixed mounting of support column (10) has motor (11), the one end that first pivot (3) extend the one end that is close to motor (11) and is connected with the output of fixed plate (11).

2. The workpiece positioning mechanism of the grinding machine for machining the crankshaft as claimed in claim 1, wherein a sliding block (12) is fixedly connected to the bottom of the movable plate (4), a sliding groove (13) is formed in the support base (1), and the sliding block (12) is slidably connected with the sliding groove (13).

3. The workpiece positioning mechanism of the grinding machine for machining the crankshaft according to claim 2, characterized in that the cross sections of the sliding block (12) and the chute (13) are T-shaped, and the bottom end of the sliding block (12) is embedded in the chute (13).

4. The workpiece positioning mechanism of the grinding machine for machining the crankshaft is characterized in that the clamping assembly comprises a fixing ring (14), an arc-shaped clamping plate (15) and a spring (16), the two pressing plates (9) are fixedly connected with the outer side wall of the fixing ring (14), the spring (16) is fixedly installed on the inner side wall of the fixing ring (14), and one end, far away from the inner side wall of the fixing ring (14), of the spring (16) is fixedly connected with the arc-shaped clamping plate (15).

5. The workpiece positioning mechanism of the grinding machine for machining the crankshaft according to claim 4, characterized in that the arc-shaped clamping plates (15) and the springs (16) are provided with multiple groups, the multiple groups of the arc-shaped clamping plates (15) and the springs (16) are distributed on the inner side of the fixing ring (14) in an annular array, and rubber pads are arranged on the inner sides of the arc-shaped clamping plates (15).

6. The workpiece positioning mechanism of the grinding machine for machining the crankshaft according to claim 4, characterized in that the clamping assemblies are arranged in two groups, and the horizontal heights of the two fixing rings (14) are consistent.

7. The workpiece positioning mechanism of the grinding machine for machining the crankshaft as claimed in claim 1, wherein a round opening (20) is formed in the mounting plate (8), and the round opening (20) is communicated with the inner side of the clamping assembly.

8. The workpiece positioning mechanism of the grinding machine for machining the crankshaft according to claim 1, characterized in that a positioning assembly is connected to a side wall of the movable plate (4), the positioning assembly comprises a cylinder (17) and a top plate (18), the top plate (18) is fixedly connected with the movable plate (4), an output end of the cylinder (17) is fixedly connected with the top plate (18), a fixed seat (19) is fixedly connected to the support base (1), and the cylinder (17) is fixedly mounted on the fixed seat (19).