High-precision gear shaft garland cutter structure

Abstract

The utility model discloses a high-precision gear shaft garland cutter structure which comprises an installation table, the upper end of the installation table is fixedly connected with a first vertical plate and a second vertical plate, an installation plate is connected between the first vertical plate and the second vertical plate through a driving assembly, and the driving assembly drives the installation plate to move horizontally. The mounting plate is connected with a protective shell capable of moving front and back through an adjusting assembly. The gear shaft knurling device is reasonable in structural design, the clamp assembly can fix a gear shaft and can drive the gear shaft to rotate so that knurling work can be conveniently conducted, the adjusting assembly can drive the mounting shell to move front and back so that the knurling cutter body can abut against the gear shaft, the knurling depth can be adjusted, and the driving assembly drives the mounting plate to horizontally move back and forth. The garland cutter bodies can conduct garland work on the gear shaft, the positions of the multiple garland cutter bodies can be changed, the garland cutter bodies needing to be used face the gear shaft, different garland use requirements are met, and the machining precision is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of gear shaft processing, in particular to a high-precision gear shaft drawing knife structure. Background Art

[0002] Gear shaft refers to a mechanical part that supports rotating parts and rotates with them to transmit motion, torque or bending moment. It is usually in the shape of a metal round rod, and each section can have different diameters. The parts that make rotating motion in the machine are installed on the shaft. In the process of high-precision gear shaft processing, it is usually necessary to draw patterns on it.

[0003] For example, the application document with application number: CN201220662320.X and application name: Automatic embossing device for automobile engine motor shaft, including a clamp, a tool for embossing, the tool is arranged on a tool holder, the tool holder is connected to a first power device, the first power device controls the tool holder to move back and forth, and also includes a controller, a through hole is arranged in the middle of the clamp, the clamp is connected to a plate body... This application document is prior art relative to the present application document, but in this application document, the tool is arranged on the tool holder, the tool can only move horizontally, and the distance between the tool and the motor shaft cannot be adjusted, and thus the embossing depth cannot be adjusted, and the tool is difficult to replace, which is not conducive to adjusting the embossing width according to actual use requirements, and has limitations in use. For this reason, we have designed a high-precision gear shaft embossing knife structure to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art, and a high-precision gear shaft drawing knife structure is proposed, the setting of the clamp assembly of which can fix the gear shaft and can drive it to rotate for garland work, the adjustment assembly can drive the mounting shell to move back and forth so that the drawing knife body and the gear shaft are against each other, and the drawing depth can be adjusted, the driving assembly drives the mounting plate to move back and forth horizontally, so that the drawing knife body can draw patterns on the gear shaft, and the positions of multiple drawing knife bodies can be exchanged so that the drawing knife body to be used faces the gear shaft, thereby meeting different drawing needs and ensuring processing precision.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A high-precision gear shaft drawing knife structure comprises a mounting platform, the upper end of which is fixedly connected to a first vertical plate and a second vertical plate, a mounting plate is connected between the first vertical plate and the second vertical plate via a driving component, the driving component drives the mounting plate to move horizontally, a protective shell that can move forward and backward is connected to the mounting plate via an adjusting component, a mounting component extending to the outside of the protective shell is rotatably connected inside the protective shell, a plurality of drawing knife bodies are detachably mounted on the mounting component, a polygonal cylinder extending to the top of the protective shell is fixedly connected to the mounting component, a limiting component extending into the polygonal cylinder to fix it is provided on the protective shell, and a clamp assembly for fixing the gear shaft is provided on the mounting platform.

[0007] Preferably, the driving assembly includes a connecting rod fixedly connected between the first vertical plate and the second vertical plate, the mounting plate is slidably mounted on the side wall of the connecting rod, a servo motor is installed on the side wall of the first vertical plate, and a first threaded rod rotatably connected to the side wall of the second vertical plate is installed at the end of the output shaft of the servo motor, and the first threaded rod threads through the mounting plate.

[0008] Preferably, the adjustment component includes a guide slot opened on the upper end of the mounting plate, a guide slider matched with the guide slot is slidably connected in the guide slot, a second threaded rod threadedly passing through the guide slider is rotatably connected to the inner side wall of the guide slot, and a rotating handle is fixedly connected to the end of the second threaded rod.

[0009] Preferably, the protective shell includes a mounting shell fixedly connected to the upper end of the mounting plate, the mounting shell is fixedly connected to the upper end of the guide slider, the mounting shell is open at one end close to the clamp assembly, and a cover plate is connected to the mounting shell by screws.

[0010] Preferably, the mounting assembly comprises a rotating plate rotatably connected to the bottom of the mounting shell, the side walls of the rotating plate are fixedly connected with a plurality of support plates at equal intervals, the pattern drawing knife body is fixedly connected to the support plate by screws, and the polygonal tube is fixedly connected to the upper end of the rotating plate.

[0011] Preferably, the limiting assembly includes a T-shaped plate fixedly connected to the upper end of the cover plate, a horizontal plate is slidably sleeved on the T-shaped plate, a polygonal plug rod extending into the polygonal tube is fixedly connected to the bottom of the horizontal plate, and a plurality of springs are connected between the horizontal plate and the T-shaped plate.

[0012] Preferably, the clamp assembly includes a third vertical plate fixedly connected to the upper end of the mounting table, the third vertical plate is connected to a first three-jaw chuck via a driving motor, the upper end of the mounting table is fixedly connected to a fourth vertical plate, the side wall of the fourth vertical plate is installed with an electric telescopic rod, and the end of the electric telescopic rod is rotatably connected to a second three-jaw chuck.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. This high-precision gear shaft drawing knife structure has an electric telescopic rod that can drive the second three-jaw chuck to move horizontally. The first three-jaw chuck and the second three-jaw chuck work together to clamp and fix the gear shaft through both ends of the gear shaft. The driving motor drives the first three-jaw chuck to rotate, which can make the gear shaft rotate, making it easier to do drawing work.

[0015] 2. This high-precision gear shaft drawing knife structure has an adjusting component that can drive the mounting shell to move forward and backward so that the drawing knife body and the gear shaft are against each other and can adjust the drawing depth. The driving component drives the mounting plate to move back and forth horizontally so that the drawing knife body can draw patterns on the gear shaft. Pulling the cross plate upwards can move the polygonal insertion rod out of the polygonal cylinder. Rotating the polygonal cylinder can rotate the rotating plate to adjust the position of the drawing knife body so that the drawing knife body to be used faces the gear shaft to meet the use requirements of different drawing widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a first-view structural schematic diagram of a high-precision gear shaft engraving knife structure proposed by the utility model;

[0017] Figure 2 This is a second perspective structural schematic diagram of a high-precision gear shaft engraving knife structure proposed by the utility model;

[0018] Figure 3 for Figure 2 A magnified view of the structure at center;

[0019] Figure 4 This is a schematic diagram of the connection between the mounting shell, rotating plate, supporting plate, and the drawing knife body;

[0020] Figure 5 This is a schematic diagram of the main plane structure of a high-precision gear shaft engraving knife structure proposed by the utility model;

[0021] Figure 6 for Figure 5 Enlarged view of the structure at point B in the middle.

[0022] In the figure: 1. mounting table; 2. first vertical plate; 3. second vertical plate; 4. connecting rod; 5. servo motor; 6. first threaded rod; 7. mounting plate; 8. guide slide groove; 9. rotating handle; 10. mounting shell; 11. rotating plate; 12. supporting plate; 13. drawing knife body; 14. polygonal cylinder; 15. T-plate; 16. horizontal plate; 17. polygonal plug rod; 18. spring; 19. cover plate; 20. third vertical plate; 21. driving motor; 22. first three-jaw chuck; 23. fourth vertical plate; 24. electric telescopic rod; 25. second three-jaw chuck. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-Figure 6 A high-precision gear shaft drawing knife structure includes a mounting platform 1, a first vertical plate 2 and a second vertical plate 3 are fixedly connected to the upper end of the mounting platform 1, a mounting plate 7 is connected between the first vertical plate 2 and the second vertical plate 3 through a driving component, and the driving component drives the mounting plate 7 to move horizontally, and the driving component includes a connecting rod 4 that is fixedly connected between the first vertical plate 2 and the second vertical plate 3, and the mounting plate 7 is slidably sleeved on the side wall of the connecting rod 4, and a servo motor 5 is installed on the side wall of the first vertical plate 2, and a first threaded rod 6 that is rotatably connected to the side wall of the second vertical plate 3 is installed at the end of the output shaft of the servo motor 5, and the first threaded rod 6 is threadedly penetrated through the mounting plate 7, and under the limiting action of the first threaded rod 6 and the connecting rod 4, the mounting plate 7 can only move horizontally, and then when the servo motor 5 drives the first threaded rod 6 to rotate, the mounting plate 7 can be moved horizontally under the action of its thread meshing;

[0025] The mounting plate 7 is connected with a protective shell that can move forward and backward through an adjustment component. The adjustment component includes a guide slot 8 provided at the upper end of the mounting plate 7. A guide slider matched with the guide slot 8 is slidably connected in the guide slot 8. The mounting shell 10 is fixedly connected to the upper end of the guide slider. The inner side wall of the guide slot 8 is rotatably connected with a second threaded rod that passes through the guide slider. The end of the second threaded rod is fixedly connected with a rotating handle 9. Rotating the rotating handle 9 can rotate the second threaded rod, and then the guide slider can drive the mounting shell 10 to move forward and backward to adjust the position under the meshing action of the second threaded rod and the guide slider;

[0026] The protective shell includes a mounting shell 10 fixedly connected to the upper end of the mounting plate 7. The mounting shell 10 is open at one end close to the clamp assembly so that the drawing knife body 13 can extend to the outside of the mounting shell 10. The mounting shell 10 is connected to a cover plate 19 by screws. The screw connection facilitates the mounting of the cover plate 19 on the mounting shell 10 or its removal from the mounting shell 10.

[0027] A mounting assembly extending to the outside of the protective shell is rotatably connected inside the protective shell, and a plurality of flower drawing knife bodies 13 are detachably mounted on the mounting assembly. A polygonal cylinder 14 extending to the top of the protective shell is fixedly connected to the mounting assembly. The mounting assembly includes a rotating plate 11 rotatably connected to the bottom of the mounting shell 10, and a plurality of support plates 12 are fixedly connected to the side walls of the rotating plate 11 at equal intervals. The flower drawing knife body 13 is fixedly connected to the support plate 12 by screws, and the screw connection facilitates the installation or removal of the flower drawing knife body 13. The polygonal cylinder 14 is fixedly connected to the upper end of the rotating plate 11 and rotates to extend through the top of the mounting shell 10. The number of sides of the polygonal cylinder 14 corresponds to the number of the flower drawing knife bodies 13. The thickness of the plurality of flower drawing knife bodies 13 is different, which can meet the needs of flower drawing with different widths.

[0028] The protective shell is provided with a limit assembly extending into the polygonal tube 14 to fix it. The limit assembly includes a T-shaped plate 15 fixedly connected to the upper end of the cover plate 19. A horizontal plate 16 is slidably sleeved on the T-shaped plate 15. The cross section of the T-shaped plate 15 is rectangular, so that the horizontal plate 16 can stably slide up and down on the T-shaped plate 15. The bottom of the horizontal plate 16 is fixedly connected with a polygonal plug rod 17 extending into the polygonal tube 14. The polygonal plug rod 17 is adapted to the polygonal tube 14 and can fix the polygonal tube 14 so that it cannot rotate. A plurality of springs 18 are connected between the horizontal plate 16 and the T-shaped plate 15. The spring 18 is an elastic spring, which can push the horizontal plate 16 downward in a natural state so that the polygonal plug rod 17 is inserted into the polygonal tube 14.

[0029] A clamp assembly for fixing the gear shaft is provided on the mounting platform 1, and the clamp assembly includes a third vertical plate 20 fixedly connected to the upper end of the mounting platform 1, and a first three-jaw chuck 22 is connected to the third vertical plate 20 through a driving motor 21, and the driving motor 21 can drive the first three-jaw chuck 22 to rotate, and a fourth vertical plate 23 is fixedly connected to the upper end of the mounting platform 1, and an electric telescopic rod 24 is installed on the side wall of the fourth vertical plate 23, and the end of the electric telescopic rod 24 is rotatably connected to the second three-jaw chuck 25, and a plurality of telescopic guide rods are fixedly connected to the side wall of the fourth vertical plate 23, and an annular groove is provided on the side wall of the second three-jaw chuck 25, and the end of the telescopic guide rod extends into the annular groove and is slidably connected thereto, so that the second three-jaw chuck 25 can rotate stably. The first three-jaw chuck 22 and the second three-jaw chuck 25 are both prior art and will not be described in detail here.

[0030] The functional principle of the utility model can be explained through the following operation modes:

[0031] In the utility model, when the high-precision gear shaft drawing knife structure is in use, the electric telescopic rod 24 is extended and retracted to drive the second three-jaw chuck 25 to move horizontally, and the first three-jaw chuck 22 and the second three-jaw chuck 25 can work together to clamp and fix the gear shaft, and the driving motor 21 drives the first three-jaw chuck 22 to rotate to make the gear shaft rotate, so as to facilitate the drawing work on it;

[0032] The rotating handle 9 drives the second threaded rod to rotate, and the guide slider drives the mounting shell 10 to move forward and backward under the meshing action of the thread, so that the drawing knife body 13 abuts against the gear shaft and the drawing depth is adjusted;

[0033] The servo motor 5 drives the first threaded rod 6 to rotate, and the mounting plate 7 can be reciprocated horizontally under the action of the thread meshing, so that the pattern drawing knife body 13 performs pattern drawing on the gear shaft;

[0034] When the drawing knife needs to be replaced according to the width of the drawing, the cross plate 16 is pulled upwards to move the polygonal insertion rod 17 out of the polygonal tube 14, and the polygonal tube 14 is rotated to rotate the rotating plate 11, so that the position of the drawing knife body 13 can be adjusted so that the drawing knife body 13 to be used faces the gear shaft. After the adjustment is completed, the cross plate 16 is loosened, and the spring 18 can push the cross plate 16 to move downward, so that the polygonal insertion rod 17 extends into the polygonal tube 14, fixing it stably and no longer rotating.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-precision gear shaft engraving knife structure, comprising a mounting platform (1), characterized in that: The upper end of the mounting platform (1) is fixedly connected with a first vertical plate (2) and a second vertical plate (3); a mounting plate (7) is connected between the first vertical plate (2) and the second vertical plate (3) via a driving component; the driving component drives the mounting plate (7) to move horizontally; a protective shell that can move forward and backward is connected to the mounting plate (7) via an adjusting component; a mounting component extending to the outside of the protective shell is rotatably connected inside the protective shell; a plurality of pattern drawing knife bodies (13) are detachably mounted on the mounting component; a polygonal cylinder (14) extending to the top of the protective shell is fixedly connected to the mounting component; a limit assembly extending into the polygonal cylinder (14) to fix it is provided on the protective shell; and a clamp assembly for fixing the gear shaft is provided on the mounting platform (1).

2. A high-precision gear shaft engraving knife structure according to claim 1, characterized in that: The driving assembly comprises a connecting rod (4) fixedly connected between a first vertical plate (2) and a second vertical plate (3); the mounting plate (7) is slidably sleeved on a side wall of the connecting rod (4); a servo motor (5) is mounted on the side wall of the first vertical plate (2); a first threaded rod (6) rotatably connected to the side wall of the second vertical plate (3) is mounted at the end of an output shaft of the servo motor (5); and the first threaded rod (6) is threadedly penetrated through the mounting plate (7).

3. A high-precision gear shaft engraving knife structure according to claim 1, characterized in that: The adjustment assembly comprises a guide slot (8) provided at the upper end of the mounting plate (7), a guide slider matched therewith being slidably connected in the guide slot (8), a second threaded rod threadedly penetrating the guide slider being rotatably connected to the inner side wall of the guide slot (8), and a rotating handle (9) being fixedly connected to the end of the second threaded rod.

4. A high-precision gear shaft engraving knife structure according to claim 3, characterized in that: The protective shell comprises a mounting shell (10) fixedly connected to the upper end of the mounting plate (7), the mounting shell (10) fixedly connected to the upper end of the guide slider, the mounting shell (10) is open at one end close to the clamp assembly, and a cover plate (19) is connected to the mounting shell (10) by screws.

5. A high-precision gear shaft engraving knife structure according to claim 4, characterized in that: The mounting assembly comprises a rotating plate (11) rotatably connected to the bottom of the mounting shell (10); a plurality of supporting plates (12) are fixedly connected to the side walls of the rotating plate (11) at equal intervals; the pattern drawing knife body (13) is fixedly connected to the supporting plate (12) by means of screws; and the polygonal cylinder (14) is fixedly connected to the upper end of the rotating plate (11).

6. A high-precision gear shaft engraving knife structure according to claim 4, characterized in that: The limit assembly comprises a T-shaped plate (15) fixedly connected to the upper end of the cover plate (19), a transverse plate (16) being slidably sleeved on the T-shaped plate (15), a polygonal plug rod (17) extending into the polygonal tube (14) being fixedly connected to the bottom of the transverse plate (16), and a plurality of springs (18) being connected between the transverse plate (16) and the T-shaped plate (15).

7. The high-precision gear shaft engraving knife structure according to claim 1, characterized in that: The clamp assembly comprises a third vertical plate (20) fixedly connected to the upper end of the mounting platform (1); a first three-jaw chuck (22) is connected to the third vertical plate (20) via a drive motor (21); a fourth vertical plate (23) is fixedly connected to the upper end of the mounting platform (1); an electric telescopic rod (24) is installed on the side wall of the fourth vertical plate (23); and the end of the electric telescopic rod (24) is rotatably connected to the second three-jaw chuck (25).

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