CN116586695A - Tooling for internal and external fixation of large-diameter end teeth - Google Patents

Abstract

The invention provides a large-diameter end-tooth internal and external fixation tooling, which includes an end-tooth clamping structure, which includes a moving frame, a through hole at the bottom of the moving frame cooperates with a driving screw, and the two sides of the bottom of the moving frame are provided with There is a fitting groove, and the fitting groove is slidably connected with the frame rod. The outer wall of one side of the fitting groove is provided with a connecting pipe, and the outer wall of the other side of the moving frame is provided with a liquid outlet groove. communicate with the connecting pipe. In the process of clamping the end teeth through the end tooth clamping structure provided by the present invention, the liquid outlet groove provided on the top of the inner side of the moving frame can evenly spray the cooling liquid to the surface of the end tooth processing, and at the same time, how many liquid outlet grooves It is installed obliquely and has a rotating plate inside. The rotating plate blocks the coolant, so that the coolant can be evenly sprayed on the surface of the end teeth, so that the overall temperature difference of the end teeth is small, and the end teeth are prevented from being fixed and processed inside the tooling. thermal deformation during the process.

Description

Tooling for internal and external fixation of large-diameter end teeth

technical field

The invention belongs to the technical field of end gear processing, and in particular relates to a tool for fixing the inside and outside of a large-diameter end gear.

Background technique

The end tooth is a kind of gear that is matched with a spur gear or a helical gear at an angle of 90 degrees. The central axes of the pinion and the end teeth of this type of gear are vertical, and the two perpendicular central axes can intersect. There can also be an offset distance;

End teeth are mainly used in industries such as helicopters, fishing reels, clocks, and bicycles. Its heavy load and stable transmission characteristics have a wide range of application space.

In the process of grinding and cutting the end teeth, the end teeth need to be fixed by tooling, and the end teeth need to be cooled during the processing of the end teeth. The cooling liquid directly contacts with the part of the end tooth processing surface, which is easy to cause the processing of the end teeth. The local temperature differs greatly from the temperature of the end teeth not in contact with the coolant.

Contents of the invention

1. The purpose of the invention

In view of the above technical problems, the present invention provides a tool for internal and external fixation of large-diameter end teeth to solve the technical problems mentioned in the background technology.

2. Technical solution

In order to achieve the above purpose, the technical solution provided by the present invention is a tool for internal and external fixing of large-diameter end teeth, including a support block. A gear box and a transmission are arranged between the block and the support block, and the output ends of the two ends of the gear box and the transmission are provided with driving screw rods;

The end tooth clamping structure includes a mobile frame, the through hole at the bottom of the mobile frame cooperates with the transmission screw, and the two sides of the bottom of the mobile frame are provided with fitting grooves, and the fitting grooves are slidably connected with the frame rod, The outer wall of one side of the fitting groove is provided with a connecting pipe, and the outer wall of the other side of the moving frame is provided with a liquid outlet groove.

Preferably, a servo motor is provided at the bottom of the support block, and a driving gear is provided at the output end of the servo motor.

Preferably, the top of the gearbox and the transmission is provided with a slide groove, the bottom of the gearbox and the transmission is provided with a driven gear, the driven gear is connected to the input end of the gearbox and the transmission, and the driven gear and the driving gear Mesh with each other.

Preferably, a mechanical arm is arranged between the two mounting blocks, and one end of the mechanical arm is rotatably connected to a terminal tooth fixing structure, and the bottommost part of the terminal tooth fixing structure and the topmost part of the sliding groove are located in the same cross section.

Preferably, the outer wall on one side of the mounting block is rotatably connected to a worm, one end of the worm is connected to the output end of the driving motor, and the driving motor is fixedly connected to the outer wall of the mounting block.

Preferably, a worm gear is slidably connected to the inner wall of the sliding groove, and the worm gear cooperates with the worm.

Preferably, the two mobile frames are arranged opposite to each other, and the bottoms of the opposite surfaces of the mobile frames are inclined.

Preferably, the inner wall of the liquid outlet tank is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is rotatably connected to a rotating plate, one end of the rotating plate is provided with a planar scroll spring, and one end of the planar scroll spring is connected to the liquid outlet .

Preferably, the outer wall of the installation shaft has a plurality of rotating plates in an annular array, and the cross section of the rotating plates in the same section is equal to the cross section inside the moving frame.

3. Beneficial effect

Compared with the prior art, the technical solution provided by the invention has the following beneficial effects:

In the process of clamping the end teeth through the end tooth clamping structure provided by the present invention, the liquid outlet groove provided on the top of the inner side of the moving frame can evenly spray the cooling liquid to the surface of the end tooth processing, and at the same time, how many liquid outlet grooves It is installed obliquely and has a rotating plate inside. The rotating plate blocks the coolant, so that the coolant can be evenly sprayed on the surface of the end teeth, so that the overall temperature difference of the end teeth is small, and the end teeth are prevented from being fixed and processed inside the tooling. Thermal deformation during the process;

There is a mounting shaft inside the moving frame, and the coolant will push the rotating plate in the mounting shaft to rotate. When the rotating plate fits with the inner side of the moving frame, the cooling liquid will be cut off, and then the cooling hydraulic pressure sprayed from the outlet tank will The force is reduced, so that the coolant flows from the inside to the outside of the end teeth, and the coverage area of the coolant sprayed out of the liquid outlet is increased;

Through the mechanical arms arranged at both ends of the mounting block, the processed end teeth in the tooling can be turned over, so that the tooling can stably fix the front and back of the end teeth.

Description of drawings

Fig. 1 is a perspective view of the present invention;

Fig. 2 is a perspective view of the present invention;

Fig. 3 is a three-dimensional sectional view of the present invention;

Fig. 4 is a perspective view of a support block of the present invention;

Fig. 5 is a three-dimensional view of the end tooth clamping structure of the present invention;

Fig. 6 is a partial enlarged view of place A in Fig. 5 of the present invention;

Fig. 7 is a partial enlarged view of A in Fig. 3 of the present invention.

reference sign

1. Support block; 2. Rack rod; 3. Mounting block; 4. Gear box and transmission; 5. Driven gear; 6. Sliding groove; 7. Servo motor; 8. Drive gear; 9. Drive motor; 10. Worm screw; 11, transmission screw; 12, end tooth clamping structure; 1201, moving frame; 1202, fitting groove; 1203, connecting pipe; 1204, liquid outlet groove; Plane scroll spring; 1208, installation shaft; 1209, rotating plate; 13, mechanical arm; 14, end tooth fixed structure; 15, worm wheel.

Detailed ways

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Page", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Coaxial", The orientation or positional relationship indicated by "bottom", "one end", "top", "the other end", "one side", "front", "both ends", "both sides" etc. are based on the Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixed", "installed" and other terms should be understood in a broad sense, for example, it can be a fixed connection, or It can be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Referring now to the drawings, the drawings are for purposes of illustrating certain exemplary embodiments only and are not intended to limit the invention. In the respective drawings, the same reference numerals denote the same or corresponding parts. The dimensions and ratios in the drawings are only for illustration and should not be construed as limiting the present invention, and these dimensions may be exaggerated relative to the actual product.

Referring to Figures 1-7, a tooling for internal and external fixation of large-diameter end teeth is shown, including a support block 1, the outer wall of the support block 1 is provided with a frame rod 2, and one end of the frame rod 2 is provided with a mounting block 3, so A gear box and a transmission 4 are arranged between the installation block 3 and the support block 1, and the output ends of the two ends of the gear box and the transmission 4 are provided with transmission screw rods 11;

The end tooth clamping structure 12 includes a mobile frame 1201, the through hole at the bottom of the mobile frame 1201 cooperates with the transmission screw 11, and the two sides of the bottom of the mobile frame 1201 are provided with fitting grooves 1202, and the fitting grooves 1202 is slidingly connected with the frame rod 2, the outer wall of one side of the fitting groove 1202 is provided with a connecting pipe 1203, and the outer wall of the other side of the moving frame 1201 is provided with a liquid outlet groove 1204, and the inside of the moving frame 1201 is connected with the connecting pipe 1203 communicates, and the inside of the moving frame 1201 is rotatably connected to the installation shaft 1208 .

Further, in the above technical solution, the bottom of the support block 1 is provided with a servo motor 7, the output end of the servo motor 7 is provided with a driving gear 8, and the top of the gearbox and the transmission 4 is provided with a sliding groove 6, and the The bottom of the gearbox and the transmission 4 is provided with a driven gear 5, the driven gear 5 is connected to the input end of the gearbox and the transmission 4, and the driven gear 5 and the driving gear 8 mesh with each other, and the servo motor 7 drives the driving gear 8 to rotate , then the driving gear 8 drives the engaged driven gear 5 to rotate, the driven gear 5 drives the gears inside the gearbox and the transmission 4 to rotate, and the gearbox and the transmission 4 can drive the transmission screw rods 11 at both ends to rotate respectively or simultaneously, and also The rotation speeds of the transmission screw rods 11 at both ends of the gear box and the transmission 4 can be different to drive the end tooth clamping structure 12 to move inward at the same time to fix the end teeth.

Further, in the above technical solution, a mechanical arm 13 is arranged between the two mounting blocks 3, and one end of the mechanical arm 13 is rotatably connected to a terminal tooth fixing structure 14, and the bottom of the terminal tooth fixing structure 14 is connected to The top of the sliding groove 6 is located at the same cross section, the inner wall of the end tooth fixing structure 14 is driven by the mechanical arm 13 to fit the outer wall of the end tooth, and then the end tooth fixing structure 14 clamps the end teeth, and the end tooth is fixed by the mechanical arm 13 The structure 14 moves and rotates, so that the end tooth fixing structure 14 can drive the end teeth to rotate 180°, so as to realize the front and back processing of the end teeth.

Further, in the above technical solution, the outer wall on one side of the installation block 3 is rotatably connected to a worm 10, one end of the worm 10 is connected to the output end of the drive motor 9, and the drive motor 9 is fixedly connected to the outer wall of the installation block 3 , the inner wall of the sliding groove 6 is slidably connected with a worm wheel 15, and the worm wheel 15 cooperates with the worm 10, and the unfixed end teeth are attached to the bottom of the worm wheel 15, and then the drive motor 9 drives the worm 10 to rotate, and the worm 10 drives the engaged worm wheel 15 rotations, so that the unfixed end teeth can be rotated to adjust the fixed angle of the end teeth.

Further, in the above technical solution, the two moving frames 1201 are arranged opposite to each other, and the bottoms of the opposite surfaces of the moving frames 1201 are inclined, and the two ends of the gearbox and the transmission 4 are provided with driving screw rods 11, and The transmission screw 11 drives the moving frame 1201 to move inward, so that the inclined surface at the bottom of the moving frame 1201 squeezes the end teeth, and then the end teeth move upwards to fit the vertical surface of the moving frame 1201, so that the tooling is fixed to the end teeth. In addition, two sets of moving frames 1201 can simultaneously fix the end teeth from the inside and outside of the end teeth.

Further, in the above technical solution, the inner wall of the outlet tank 1204 is rotatably connected to a rotating shaft 1205, and the outer wall of the rotating shaft 1205 is rotatably connected to a rotating plate 1206, and one end of the rotating plate 1206 is provided with a planar scroll spring 1207, One end of the planar scroll spring 1207 is connected to the liquid outlet groove 1204, and the outer wall of the installation shaft 1208 has a plurality of rotating plates 1209 in an annular array, and the cross section of the rotating plate 1209 of the same section is the same as the horizontal plane of the moving frame 1201. The cross sections are equal, the coolant enters the inside of the moving frame 1201 through the connecting pipe 1203 and pushes the rotating plate 1209 to rotate. The cooling liquid flowing out can flow inward on the surface of the end teeth, increasing the spraying range of the cooling liquid.

The working principle of the present invention:

Referring to accompanying drawings 1-7 of the specification, firstly, when the end teeth need to be fixed for surface cutting of the end teeth, the end teeth are placed on the top of the worm wheel 15, and then the drive motor 9 drives the worm wheel 15 to rotate through the worm 10, and the worm wheel 15 drives the end teeth to rotate to adjust the angle of the end teeth, then starts the servo motor 7, the servo motor 7 drives the driving gear 8 to rotate, and the driving gear 8 drives the driven gear 5 to rotate, so that the driven gear 5 drives the gears inside the gearbox and the transmission 4 Rotate, then the output ends of the gear box and the speed changer 4 respectively drive the transmission screw 11 to rotate, the transmission screw 11 drives the bottom of the mobile frame 1201 to fit the outer wall and the inner wall of the end teeth, and the inclination at the bottom of the mobile frame 1201 faces the end teeth. The inner and outer walls are extruded, so that the end teeth can move upward along the inclined surface of the bottom of the mobile frame 1201 and enter the vertical surface of the upper end of the mobile frame 1201, so that the tooling can fix the end teeth;

Then, during the processing of the end teeth, the water pump pumps the cooling liquid into the inside of the moving frame 1201 through the connecting pipe 1203, and the cooling liquid drives the rotating plate 1209 to rotate, and then the bottom of the rotating plate 1209 is provided with a deflector. When one end of the plate 1209 is attached to the inner wall of the movable frame 1201, the coolant pressure at the upper end of the movable frame 1201 is reduced, and the rotating plate 1206 cannot be pushed to rotate, and the plane scroll spring 1207 drives the rotating plate 1206 to reset, reducing the cross-sectional area of the liquid outlet tank 1204 , so that the sprayed coolant can move along the horizontal plane of the end teeth in the direction of the moving frame 1201, increasing the coverage area of the coolant;

After one side of the end tooth is processed, the mechanical arm 13 drives the end tooth fixing structure 14 to fit the outer wall of the end tooth, and then the mechanical arm 13 drives the end tooth through the end tooth fixing structure 14 to move upward and rotate 180°, and then the end tooth Put it back into the mobile frame 1201 and fix it. The mechanical arm 13 and the end tooth fixing structure 14 that can be lifted and turned over can adopt the models sold on the market.

The above-described embodiment only expresses a certain implementation mode of the present invention, and its description is relatively specific and detailed, but it should not be interpreted as limiting the patent scope of the present invention; it should be pointed out that for those of ordinary skill in the art That is to say, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention; therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (9)

1. Frock is used in inside and outside fixed of major diameter end tooth, its characterized in that includes

The support block (1), the outer wall of the support block (1) is provided with a hack lever (2), one end of the hack lever (2) is provided with a mounting block (3), a gear box and a speed changer (4) are arranged between the mounting block (3) and the support block (1), and the output ends at two ends of the gear box and the speed changer (4) are respectively provided with a transmission screw rod (11);

the end tooth clamping structure (12) comprises a movable frame (1201), through holes in the bottom of the movable frame (1201) are matched with a transmission screw rod (11), bonding grooves (1202) are formed in two sides of the bottom of the movable frame (1201), the bonding grooves (1202) are slidably connected with a frame rod (2), a connecting pipe (1203) is arranged on the outer wall of one side of each bonding groove (1202), a liquid outlet groove (1204) is formed in the outer wall of the other side of the movable frame (1201), the inside of the movable frame (1201) is communicated with the connecting pipe (1203), and a mounting shaft (1208) is rotatably connected in the inside of the movable frame (1201).

2. The tooling for fixing the inside and outside of the large-diameter end tooth according to claim 1, wherein: the bottom of the supporting block (1) is provided with a servo motor (7), and the output end of the servo motor (7) is provided with a driving gear (8).

3. The tooling for fixing the inside and outside of the large-diameter end tooth according to claim 1, wherein: the gear box and the transmission (4) are characterized in that a sliding groove (6) is formed in the top of the gear box and the transmission (4), a driven gear (5) is arranged at the bottom of the gear box and the transmission (4), the driven gear (5) is connected with the input end of the gear box and the transmission (4), and the driven gear (5) is meshed with a driving gear (8).

4. The tooling for fixing the inside and outside of the large-diameter end tooth according to claim 1, wherein: be provided with arm (13) between two installation pieces (3), arm (13) one end rotates and is connected with end tooth fixed knot constructs (14), the bottommost of end tooth fixed knot constructs (14) and the topmost of sliding tray (6) are located same cross section.

5. The tooling for fixing the inside and outside of the large-diameter end tooth according to claim 1, wherein: the outer wall on one side of the installation block (3) is rotationally connected with a worm (10), one end of the worm (10) is connected with the output end of the driving motor (9), and the driving motor (9) is fixedly connected to the outer wall of the installation block (3).

6. A large diameter end tooth internal and external fixture tool according to claim 3, wherein: the inner wall of the sliding groove (6) is connected with a worm wheel (15) in a sliding manner, and the worm wheel (15) is matched with the worm (10).

7. The tooling for fixing the inside and outside of the large-diameter end tooth according to claim 1, wherein: the two moving frames (1201) are oppositely arranged, and bottoms of opposite faces of the moving frames (1201) are obliquely arranged.

8. The tooling for fixing the inside and outside of the large-diameter end tooth according to claim 1, wherein: the inner wall of the liquid outlet groove (1204) is rotationally connected with a rotating shaft (1205), the outer wall of the rotating shaft (1205) is rotationally connected with a rotating plate (1206), one end of the rotating plate (1206) is provided with a plane scroll spring (1207), and one end of the plane scroll spring (1207) is connected with the liquid outlet groove (1204).

9. The tooling for fixing the inside and outside of the large-diameter end tooth according to claim 1, wherein: the outer wall of the mounting shaft (1208) is annularly arrayed with a plurality of rotating plates (1209), and the cross section of the rotating plates (1209) with the same cross section is equal to the cross section of the inside of the movable frame (1201).