CN218856246U

CN218856246U - Single cylinder diesel engine flywheel processing milling machine location fixture

Info

Publication number: CN218856246U
Application number: CN202223308177.7U
Authority: CN
Inventors: 祁志文
Original assignee: Changzhou Changshu Machinery Co ltd
Current assignee: Changzhou Changshu Machinery Co ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-04-14
Anticipated expiration: 2032-12-10

Abstract

The utility model belongs to the field of diesel engine manufacturing, in particular to a positioning and clamping mechanism of a single cylinder diesel engine flywheel processing milling machine, which comprises a milling machine; a clamping mechanism is arranged on the milling machine workbench through a bolt and a support in a matched manner, the clamping mechanism comprises a chuck, and the clamping mechanism is provided with a clamping jaw, a first clamping plate and a second clamping plate; through rotating the second handle, drive smooth gear and the work of screw thread gear assembly to interval between the adjustment clamping jaw realizes fixed the centre gripping outside the flywheel, through rotating the first in command, drives the second splint and impels to the first splint, realizes fixed the flywheel tangent plane centre gripping, and the alternative work of clamping jaw and splint has realized fixing the polymorphic potential of flywheel under the condition of not changing fixture, has improved the efficiency of flywheel processing.

Description

Single cylinder diesel engine flywheel processing milling machine location fixture

Technical Field

The utility model relates to a diesel engine field of making specifically is a single cylinder diesel engine flywheel processing milling machine location fixture.

Background

The flywheel of the single cylinder diesel mainly serves for storage, drives the crankshaft connecting rod mechanism to cross an upper dead point and a lower dead point, ensures stable operation of the internal combustion engine, and improves the short-time overload resistance of the internal combustion engine; in the process of processing the flywheel of the single-cylinder diesel engine by the milling machine, the flywheel needs to be clamped and fixed by a clamping mechanism to keep the flywheel stable.

The existing clamping mechanism consists of clamps and a rotating shaft, and the distance between the clamps is adjusted through the rotating shaft, so that the flywheel is clamped and fixed.

When the existing clamping mechanism is used, the clamping means is single, multi-state clamping of the flywheel cannot be realized, if the clamping form needs to be changed, a new clamping mechanism needs to be replaced, so that unnecessary steps are added in the flywheel machining process, and the flywheel machining and manufacturing efficiency is reduced; therefore, the positioning and clamping mechanism of the milling machine for processing the single-cylinder diesel engine flywheel is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, solve current problem, the utility model provides a single cylinder diesel engine flywheel processing milling machine location fixture.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a positioning and clamping mechanism of a single cylinder diesel engine flywheel processing milling machine, which comprises a milling machine; the method is characterized in that: a clamping mechanism is arranged on the milling machine workbench through a bolt and a support in a matched manner; the clamping mechanism comprises a chuck, a first cavity is arranged inside the chuck, a sliding chute is arranged outside the chuck, a fixing column is fixedly arranged at the center of the chuck, one end of the fixing column is fixedly connected with a first clamping plate, threaded holes are formed in the fixing column and the first clamping plate, a threaded rod is assembled in the threaded hole, one end of the threaded rod is fixedly connected with a T-shaped block, a first handle is arranged at the other end of the threaded rod, second cavities are arranged on two sides of the T-shaped block, a second clamping plate is rotatably installed at the port position of each second cavity in a matched mode of knob buckling, and a spring is fixedly connected between the inner wall of each second cavity and the second clamping plate;

the outer side of the middle of the fixing column is sleeved with a first bearing, a threaded gear is installed on the first bearing in a matched mode, the threaded gear is arranged inside a first cavity, the bottom of the first cavity is fixedly connected with a positioning frame, the top of the positioning frame is fixedly connected with a protective shell, a second bearing is arranged inside the protective shell, the inner ring of the second bearing is fixedly connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a smooth gear, the other end of the rotating shaft is provided with a second handle, the smooth gear is vertically meshed with the threaded gear, a sliding block is arranged in a sliding groove, trapezoidal teeth are arranged at the bottom of the sliding block, spiral teeth are arranged on the tangent plane of the threaded gear and meshed with the trapezoidal teeth at the bottom side of the sliding block, a clamping arm is fixed on the sliding block, and a clamping jaw is fixedly connected to the clamping arm.

Preferably, the bottom of the support is provided with a mounting hole, the support is fixed on a workbench of a milling machine under the matching of a bolt, and the diameter of a knob of the bolt is larger than that of the mounting hole, so that the positioning and clamping mechanism is tightly mounted on the workbench of the milling machine, and the positioning and clamping mechanism is prevented from falling off during working.

Preferably, the clamping jaw clamping face is the arc, the clamping jaw is established to four, and four clamping jaws are the same apart from the axis interval of chuck, and is more firm in order to realize that the clamping jaw is to the centre gripping of flywheel, and the structure of better adaptation flywheel.

Preferably, the slider is "ten" font, and in the slider card established the spout, in order to realize that the slider can be stable remove in the spout, improve equipment's stability.

Preferably, the second splint are triangle-shaped, and the second splint inclined plane outwards, and a lateral perpendicular face is towards first splint, and when in order to realize first splint and the cooperation centre gripping flywheel of second splint, two splint can reach the biggest contact with the flywheel tangent plane, improve the fastness of equipment centre gripping.

Preferably, the size of the threaded gear is larger than that of the smooth gear, the threaded gear is perpendicular to the upper side of the smooth gear, and in order to achieve larger adjustability of the distance between the clamping jaws, the equipment can better clamp flywheels of different sizes.

The utility model discloses an useful part lies in:

1. the utility model discloses a structural design of first splint and second splint has realized the function of equipment to the polymorphic potential centre gripping of flywheel, has solved the flywheel if need change the centre gripping form in the course of working, then need change fixture's problem, has improved the efficiency of milling machine to the flywheel processing.

2. The utility model discloses a structural design of chuck, gear and clamping jaw has realized freely adjusting the function of interval between the clamping jaw through rotating the pivot, makes equipment fix a position fixed centre gripping to unidimensional flywheel, has improved the suitability of equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the milling machine of the present invention;

fig. 2 is a schematic front structural view of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is a schematic view of the internal structure of the chuck according to the present invention;

fig. 5 is an enlarged schematic view of a structure in fig. 4 according to the present invention.

In the figure: 1. milling machine; 2. a bolt; 3. a support; 4. a rotating shaft; 5. a threaded rod; 6. a clamping jaw; 7. a first splint; 8. a second splint; 9. a flywheel; 10. a chuck; 11. a first cavity; 12. fixing a column; 13. a T-shaped block; 14. a first handle; 15. a second cavity; 16. screwing the button; 17. a spring; 18. a threaded gear; 19. a first bearing; 20. a positioning frame; 21. a protective shell; 22. a second bearing; 23. a smooth gear; 24. a chute; 25. clamping arms; 26. a slider; 27. a second handle; 28. helical teeth.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-5, a positioning and clamping mechanism of a single cylinder diesel engine flywheel processing milling machine comprises a milling machine 1; the method is characterized in that: a clamping mechanism is arranged on the workbench of the milling machine 1 through a bolt 2 and a bracket 3 in a matching way; the clamping mechanism comprises a chuck 10, a first cavity 11 is arranged inside the chuck 10, a sliding groove 24 is arranged outside the chuck 10, a fixed column 12 is fixedly arranged at the center of the chuck 10, one end of the fixed column 12 is fixedly connected with a first clamping plate 7, threaded holes are formed in the fixed column 12 and the first clamping plate 7, a threaded rod 5 is assembled in the threaded hole, one end of the threaded rod 5 is fixedly connected with a T-shaped block 13, the other end of the threaded rod 5 is provided with a first handle 14, two sides of the T-shaped block 13 are provided with second cavities 15, the port positions of the second cavities 15 are rotatably installed through the cooperation of rotating buttons 16, and a spring 17 is fixedly connected between the inner wall of each second cavity 15 and the corresponding second clamping plate 8;

a first bearing 19 is sleeved on the outer side of the middle of the fixed column 12, a threaded gear 18 is installed on the first bearing 19 in a matched mode, the threaded gear 18 is arranged inside the first cavity 11, the bottom of the first cavity 11 is fixedly connected with a positioning frame 20, the top of the positioning frame 20 is fixedly connected with a protective shell 21, a second bearing 22 is arranged inside the protective shell 21, an inner ring of the second bearing 22 is fixedly connected with a rotating shaft 4, one end of the rotating shaft 4 is fixedly connected with a smooth gear 23, the other end of the rotating shaft 4 is provided with a second handle 27, the smooth gear 23 is vertically meshed with the threaded gear 18, a sliding block 26 is arranged in the sliding groove 24, trapezoidal teeth are arranged at the bottom of the sliding block 26, spiral teeth 28 are arranged on the tangent plane of the threaded gear 18, the spiral teeth 28 are meshed with the trapezoidal teeth at the bottom side of the sliding block 26, a clamping arm 25 is fixed on the sliding block 26, and a clamping jaw 6 is fixedly connected to the clamping arm 25;

the bottom of the bracket 3 is provided with a mounting hole, the bracket 3 is fixed on a workbench of the milling machine 1 under the matching of the bolt 2, and the diameter of a knob of the bolt 2 is larger than that of the mounting hole;

the clamping surfaces of the clamping jaws 6 are arc-shaped, the number of the clamping jaws 6 is four, and the distances from the four clamping jaws 6 to the central axis of the chuck 10 are the same;

the size of the threaded gear 18 is larger than that of the smooth gear 23, and the threaded gear 18 is vertical to the upper side of the smooth gear 23;

when the milling machine is used for processing the single-cylinder diesel engine flywheel during working, the positioning and clamping mechanism is required to clamp and fix the flywheel so as to keep the flywheel stable; when the existing clamping mechanism is used, the clamping means is single, multi-state clamping of the flywheel cannot be realized, if the clamping form needs to be changed, a new clamping mechanism needs to be replaced, so that unnecessary steps are added in the flywheel machining process, and the flywheel machining and manufacturing efficiency is reduced; when the device is used for clamping and fixing the flywheel 9, an operator firstly fixedly installs the clamping mechanism on a workbench of a milling machine 1 by using a bolt 2, clockwise rotates a second handle 27, the second handle 27 drives a rotating shaft 4 to rotate in a first cavity 11, under the action of a second bearing 22 in a protective shell 21, the rotating shaft 4 drives a smooth gear 23 to rotate along with the rotating shaft 4, at the moment, a threaded gear 18 vertically meshed with the upper side of the smooth gear 23 synchronously rotates along with the smooth gear 23, under the action of a spiral tooth 28 on the section of the threaded gear 18, the rotation of the threaded gear 18 enables a sliding block 26 to be pushed in a sliding groove 24, the pushing of the sliding block 26 simultaneously drives a clamping arm 25 to push in the same direction with a clamping jaw 6, when the space between the clamping jaws 6 is proper, the four clamping jaws 6 mutually clamp and fix the outer side of the flywheel 9, and the section of the flywheel 9 can be machined and manufactured; after the section of the flywheel 9 is machined, if the outer side of the flywheel 9 needs to be machined, the first handle 14 can be rotated clockwise, the threaded rod 5 rotates under the action of the first handle 14 in the fixed column 12 and the threaded hole in the first clamping plate 7 to push the T-shaped block 13 to move towards the inner ring of the flywheel 9, when the T-shaped block 13 enters the inner ring of the flywheel 9, the second clamping plate 8 contracts towards the second cavity 15 under the action of the spring 17 and the knob buckle 16 to adapt to the size of the inner ring of the flywheel 9, when the T-shaped block 13 and the second clamping plate 8 penetrate through the inner ring of the flywheel 9, the second clamping plate 8 returns to the initial state, the flywheel 9 is placed between the first clamping plate 7 and the second clamping plate 8, then the second handle 27 is rotated anticlockwise to loosen the clamping jaw 6, the first handle 14 is rotated anticlockwise, the second clamping plate 8 is driven to move towards the first clamping plate 7 under the action of the threaded rod 5, when the first clamping plate 7 and the second clamping plate 8 are in proper interval, the inner ring of the section 9 is clamped and fixed, the outer side of the flywheel 9 can be machined, and the clamping jaw 6 and the clamping jaw can be machined alternately worked, and the multi-state of the clamping jaw can be realized.

The sliding block 26 is in a cross shape, and the sliding block 26 is clamped in the sliding groove 24; during operation, the sliding block 26 is clamped at two sides and arranged in the sliding groove 24 to move, so that the stability of the sliding block 26 in moving is ensured, and the sliding block is not easy to fall off.

The second clamping plate 8 is triangular, the inclined surface of the second clamping plate 8 faces outwards, and the vertical surface of one side faces the first clamping plate 7; when the flywheel clamping device works, the vertical surface of the second clamping plate 8 and the side surface of the first clamping plate 7 are tightly attached to the tangent plane of the flywheel 9, so that the stability of clamping and fixing the flywheel 9 between the two clamping plates is ensured.

According to the working principle, in the process of machining the single-cylinder diesel engine flywheel by using a milling machine, a positioning and clamping mechanism is required to clamp and fix the flywheel so as to keep the flywheel stable; when the existing clamping mechanism is used, the clamping means is single, multi-state clamping of the flywheel cannot be realized, if the clamping form needs to be changed, a new clamping mechanism needs to be replaced, so that unnecessary steps are added in the flywheel machining process, and the flywheel machining and manufacturing efficiency is reduced; when the device is used for clamping and fixing the flywheel 9, an operator firstly fixedly installs the clamping mechanism on a workbench of a milling machine 1 by using a bolt 2, clockwise rotates a second handle 27, the second handle 27 drives a rotating shaft 4 to rotate in a first cavity 11, under the action of a second bearing 22 in a protective shell 21, the rotating shaft 4 drives a smooth gear 23 to rotate along with the rotating shaft 4, at the moment, a threaded gear 18 vertically meshed with the upper side of the smooth gear 23 synchronously rotates along with the smooth gear 23, under the action of a spiral tooth 28 on the section of the threaded gear 18, the rotation of the threaded gear 18 enables a sliding block 26 to be pushed in a sliding groove 24, the pushing of the sliding block 26 simultaneously drives a clamping arm 25 to push in the same direction with a clamping jaw 6, when the space between the clamping jaws 6 is proper, the four clamping jaws 6 mutually clamp and fix the outer side of the flywheel 9, and the section of the flywheel 9 can be machined and manufactured; after the section of the flywheel 9 is machined, if the outer side of the flywheel 9 needs to be machined, the first handle 14 can be rotated clockwise at the moment, the threaded rod 5 rotates under the action of the first handle 14 in the fixed column 12 and a threaded hole in the first clamp plate 7 to push the T-shaped block 13 to move towards the inner ring of the flywheel 9, when the T-shaped block 13 enters the inner ring of the flywheel 9, the second clamp plate 8 contracts towards the second cavity 15 under the action of the spring 17 and the knob buckle 16 to adapt to the size of the inner ring of the flywheel 9, when the T-shaped block 13 and the second clamp plate 8 penetrate through the inner ring of the flywheel 9, the second clamp plate 8 restores to the initial state, the flywheel 9 is placed between the first clamp plate 7 and the second clamp plate 8 at the moment, then the second handle 27 is rotated anticlockwise to loosen the clamping jaw 6, the first handle 14 is rotated anticlockwise, the second clamp plate 8 is driven to move towards the first clamp plate 7 under the action of the threaded rod 5, when the first clamp plate 7 and the second clamp plate 8 are in a proper interval, the clamping and fixing of the inner ring of the section 9 are tightly attached to the outer side face of the flywheel 9, the flywheel can be machined and the flywheel 9, the clamping jaw can be machined and the clamping of the clamping jaw 9, the sliding block can be clamped between the sliding block 26, the sliding block can be clamped and the sliding block 26, the sliding block can be stably clamped between the sliding block 26, and the sliding block 9.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A single cylinder diesel engine flywheel processing milling machine positioning clamping mechanism comprises a milling machine (1); the method is characterized in that: a clamping mechanism is arranged on the workbench of the milling machine (1) through a bolt (2) and a bracket (3) in a matching way; the clamping mechanism comprises a chuck (10), a first cavity (11) is arranged inside the chuck (10), a sliding groove (24) is formed in the outer portion of the chuck (10), a fixing column (12) is fixedly arranged at the center of the chuck (10), one end of the fixing column (12) is fixedly connected with a first clamping plate (7), threaded holes are formed in the fixing column (12) and the first clamping plate (7), a threaded rod (5) is assembled in each threaded hole, one end of the threaded rod (5) is fixedly connected with a T-shaped block (13), the other end of the threaded rod (5) is provided with a first handle (14), second cavities (15) are formed in two sides of the T-shaped block (13), a second clamping plate (8) is rotatably installed at the port position of each second cavity (15) in a matched mode through a rotating button (16), and a spring (17) is fixedly connected between the inner wall of each second cavity (15) and the second clamping plate (8);

the clamping jaw is characterized in that a first bearing (19) is sleeved on the outer side of the middle of the fixing column (12), a threaded gear (18) is installed on the first bearing (19) in a matched mode, the threaded gear (18) is arranged inside the first cavity (11), the bottom of the first cavity (11) is fixedly connected with a positioning frame (20), the top of the positioning frame (20) is fixedly connected with a protective shell (21), a second bearing (22) is arranged inside the protective shell (21), a rotating shaft (4) is fixedly connected to the inner ring of the second bearing (22), one end of the rotating shaft (4) is fixedly connected with a smooth gear (23), the other end of the rotating shaft (4) is provided with a second handle (27), the smooth gear (23) is vertically meshed with the threaded gear (18), a sliding block (26) is arranged inside the sliding groove (24), trapezoidal teeth are arranged at the bottom of the sliding block (26), spiral teeth (28) are arranged on the tangent plane of the threaded gear (18), the spiral teeth (28) are meshed with the trapezoidal teeth of the sliding block (26), a clamping arm (25) is fixed on the bottom side of the sliding block (26), and a clamping jaw (6) is fixedly connected to the clamping arm (25).

2. The positioning and clamping mechanism of the single-cylinder diesel engine flywheel machining milling machine according to claim 1, characterized in that: the support is characterized in that a mounting hole is formed in the bottom of the support (3), the support (3) is fixed on a workbench of the milling machine (1) under the cooperation of the bolt (2), and the diameter of a knob of the bolt (2) is larger than that of the mounting hole.

3. The single cylinder diesel engine flywheel processing milling machine positioning and clamping mechanism of claim 2, characterized in that: clamping jaw (6) clamping surface is the arc, clamping jaw (6) are established to four, and four clamping jaws (6) are the same apart from the axis interval of chuck (10).

4. The single cylinder diesel engine flywheel processing milling machine positioning and clamping mechanism of claim 3, characterized in that: the sliding block (26) is in a cross shape, and the sliding block (26) is clamped in the sliding groove (24).

5. The single cylinder diesel engine flywheel processing milling machine positioning and clamping mechanism of claim 4, characterized in that: the second clamping plate (8) is triangular, the inclined surface of the second clamping plate (8) faces outwards, and the vertical surface on one side faces the first clamping plate (7).

6. The positioning and clamping mechanism of the single-cylinder diesel engine flywheel machining milling machine according to claim 5, characterized in that: the size of the threaded gear (18) is larger than that of the smooth gear (23), and the threaded gear (18) is perpendicular to the upper side of the smooth gear (23).