CN212734485U

CN212734485U - Numerical control lathe for gear machining

Info

Publication number: CN212734485U
Application number: CN202021245451.9U
Authority: CN
Inventors: 吴国权
Original assignee: Zhejiang Xinchang Huimeng Machinery Co ltd
Current assignee: Zhejiang Xinchang Huimeng Machinery Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-19
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a numerical control lathe for gear machining, which is applied in the field of gear machining, and the technical scheme is characterized in that the numerical control lathe comprises a frame, a main shaft rotationally connected with the frame and a clamping component for clamping a blank, wherein the clamping component is arranged on the main shaft; a tooth processing assembly for processing the teeth of the gear is arranged on the rack, and a scrap collecting assembly for collecting scraps and a cooling assembly for cooling the blank are arranged on the rack; the tooth processing assembly comprises a sliding plate sliding along the length direction of the rack, an installation plate rotationally arranged on the sliding plate, an adjusting plate slidably arranged on the installation plate and a tooth forming cutter rotationally arranged on the adjusting plate; the method has the technical effect that the helical gear or the bevel gear can be conveniently machined according to the requirement.

Description

Numerical control lathe for gear machining

Technical Field

The utility model relates to a gear machining equipment field, in particular to numerical control lathe is used in gear machining.

Background

At present, chinese patent publication No. CN109570556A discloses a numerically controlled lathe for gear machining, which includes a base, a fixing frame welded to the top of the base, a machine head body mounted on the inner wall of the top of the fixing frame, a drill bit mounted on the machine head body, a protection box welded to the inner wall of the fixing frame, symmetrically arranged support plates welded to the top of the base, a transversely arranged fixing plate welded between the two support plates, a vertically arranged through hole formed in the middle of the top of the fixing plate, a fixing groove formed outside the top end of the through hole, a positioning cylinder fixed to the inner wall of the fixing groove, and a transversely arranged limiting plate welded to the inner wall of the positioning cylinder.

Although this lathe can machine gears, it can machine only ordinary straight-toothed gears, and it is difficult to machine bevel gears and helical gears.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a numerical control lathe is used in gear machining, its advantage can be convenient process skewed tooth gear or bevel gear as required.

The above technical purpose of the present invention can be achieved by the following technical solutions: a numerical control lathe for gear machining comprises a rack, a main shaft rotationally connected with the rack and a clamping assembly for clamping a blank, wherein the clamping assembly is arranged on the main shaft;

the rack is provided with a tooth processing assembly for processing gear teeth, and the rack is provided with a scrap collecting assembly for collecting scraps and a cooling assembly for cooling blanks;

tooth processing subassembly includes the slide plate that slides along frame length direction, rotates the mounting panel of setting on the slide plate, slides the regulating plate of setting on the mounting panel and rotates the tooth shaping sword that sets up on the regulating plate.

According to the technical scheme, the clamping assembly is used for clamping a blank to be processed, and the main shaft can drive the clamping assembly to rotate so as to process different positions on the blank in the circumferential direction; the scrap collecting assembly is used for collecting scraps generated in the process of cutting and machining the blank, so that the interference of the scraps on machining caused by accumulation can be better avoided, and the machining of the blank is more stable; the cooling assembly is used for cooling the blank during processing, so that the blank can be better prevented from being overheated during processing, and the processing stability is ensured; the tooth forming cutter rotates to well process teeth, and the sliding plate can drive the tooth forming cutter to move along the length direction of the rack so as to cut the blank in the axial direction; the mounting plate can drive the adjusting plate to rotate to a certain angle, so that a helical gear or a bevel gear can be conveniently machined, and the machining is more convenient; the adjusting plate can slide in a direction close to or far away from the blank, so that the blank can be conveniently fed and processed to cut teeth to a specified depth.

The utility model discloses further set up to: and a forming motor for driving the tooth forming cutter to rotate is arranged on the adjusting plate.

Through above-mentioned technical scheme, the shaping motor is used for driving tooth shaping sword and rotates to can make things convenient for quick carry out cutting process to the embryo, thereby can carry out the processing of gear by the more efficient.

The utility model discloses further set up to: the chip collecting assembly comprises a chip guide hopper arranged on the frame and a chip collecting box arranged at the bottom of the chip guide hopper.

Through above-mentioned technical scheme, leak the bits hole and be arranged in supplying the piece that the cutting got off to drop the lead bits fill of frame below, lead the bits fill with the piece guide to album bits box in, collection bits box is with temporarily depositing the piece to can be better avoid the piece to pile up and influence cutting process, better assurance processingquality and efficiency.

The utility model discloses further set up to: the cooling assembly comprises a liquid storage tank for storing cooling liquid and a liquid outlet pipe for guiding the flowing direction of the cooling liquid, and the liquid outlet pipe is arranged on the rack.

Through above-mentioned technical scheme, the liquid reserve tank is used for saving the coolant liquid, and the drain pipe is used for guiding the flow direction of coolant liquid for the coolant liquid can be better cools off the embryo spare, makes can be more stable process the embryo spare.

The utility model discloses further set up to: and the positions of the side walls of the chip collecting box, which are close to the bottom, are provided with liquid leakage holes.

Through above-mentioned technical scheme, the weeping hole is used for supplying the coolant liquid to spill from the bottom of collection bits box to better separate coolant liquid and the piece that cuts.

The utility model discloses further set up to: the mounting panel rotates along vertical direction and sets up, be equipped with curved locking plate on the mounting panel, the last locking groove of having seted up of locking plate, run through in the locking groove and have set up the locking screw on the shifting board, threaded fit has lock nut on the locking screw.

Through the technical scheme, the mounting plate rotates along the vertical direction, so that the included angle between the axis of the tooth forming cutter and the axis of the blank in the vertical direction can be better changed, the included angle between the length direction of the tooth and the axis direction can be changed, and the helical gear can be better processed; the locking nut and the locking screw are matched to lock the locking plate on the sliding plate, so that the installation can be more stable relative to the sliding plate, and the processed gear is more stable.

The utility model discloses further set up to: the mounting panel rotates the setting along the horizontal direction, curved adjustment tank has been seted up on the mounting panel, be provided with the adjusting screw who runs through the adjustment tank on the slide plate, threaded fit has adjusting nut on the adjusting screw.

Through the technical scheme, the mounting plate rotates along the horizontal direction, so that the included angle between the tooth forming cutter and the axis of the blank in the horizontal direction can be well adjusted, and a bevel gear can be well machined according to actual needs; adjusting nut and adjusting screw cooperation can be better with mounting panel locking on the slide to make mounting panel and slide can relatively fixed more stable, make the processing gear more stable.

The utility model discloses further set up to: the clamping assembly comprises a clamping plate and at least three clamping claws which slide along the clamping plate, and the at least three clamping claws are uniformly distributed along the circumferential direction of the clamping plate.

Through the technical scheme, the clamping disc is used for installing at least three clamping claws, and the at least three clamping claws can stably and firmly clamp the blank to be processed on the clamping disc, so that the blank can be stably processed.

To sum up, the utility model discloses following beneficial effect has:

1. the included angle between the tooth forming cutter and the axis direction of the blank on a horizontal plane or a vertical plane can be quickly adjusted by rotating the mounting plate, so that a helical gear or a bevel gear can be conveniently and quickly machined as required;

2. the scrap collecting box in the scrap collecting assembly can collect the cut scraps together for subsequent centralized treatment.

Drawings

FIG. 1 is a schematic structural view of the whole of embodiment 1;

fig. 2 is a schematic structural view of the tooth processing assembly of embodiment 1;

fig. 3 is a schematic structural view of the tooth processing assembly of embodiment 2.

Reference numerals: 1. a frame; 2. a main shaft; 3. clamping the assembly; 4. a tooth machining assembly; 5. a chip collecting assembly; 6. a cooling assembly; 7. a slide plate; 8. mounting a plate; 9. an adjusting plate; 10. a tooth forming cutter; 11. molding the motor; 12. chip leakage holes; 13. a scrap guide hopper; 14. a scrap collecting box; 15. a liquid outlet pipe; 16. a liquid storage tank; 17. a weep hole; 18. a locking plate; 19. a locking groove; 20. locking the screw rod; 21. locking the nut; 22. an adjustment groove; 23. adjusting the screw rod; 24. adjusting the nut; 25. a clamping disc is arranged; 26. a gripper jaw.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1, a numerically controlled lathe for gear machining includes a frame 1, a spindle 2 and a clamping assembly 3, the spindle 2 is rotatably disposed on the frame 1, a driving motor for driving the spindle 2 to rotate is disposed on the frame 1, and the clamping assembly 3 is used for clamping a blank to be machined onto the spindle 2; the driving motor works to drive the main shaft 2 to rotate, so that the blank on the clamping assembly 3 is driven to rotate, the blank is rotated to a certain angle, the cutting processing can be carried out on different positions of the circumferential surface of the blank, and the driving motor is preferably a servo motor.

Referring to fig. 1, the clamping assembly 3 is preferably a four-jaw chuck, the clamping assembly 3 includes a clamping disk 25 bolted to the spindle 2 and four clamping jaws 26 disposed on the clamping disk 25, the four clamping jaws 26 are uniformly distributed along the circumferential direction of the clamping disk 25, the four clamping jaws 26 are all disposed in a sliding manner along the radial direction of the clamping disk 25, and the clamping assembly 3 can stably clamp the blank on the spindle 2.

Referring to fig. 1, a rack 1 is provided with a tooth machining assembly 4 for machining gear teeth, a chip collecting assembly 5 and a cooling assembly 6, wherein the chip collecting assembly 5 is used for collecting chips falling from a cutting blank, so that excessive chip accumulation is prevented from affecting machining; the cooling assembly 6 is used for cooling the blank in machining, so that the influence of overheating on the machining quality of the blank is avoided, and the stable machining of the gear is ensured.

Referring to fig. 1 and 2, a rack 1 is provided with a tooth processing assembly 4, the tooth processing assembly 4 is used for processing teeth of a gear, and the tooth processing assembly 4 comprises a sliding plate 7, a mounting plate 8, an adjusting plate 9 and a tooth forming cutter 10; the sliding plate 7 is arranged in a sliding mode along the length direction of the rack 1, a sliding guide rail is arranged on the rack 1, a driving screw rod is connected to the rack 1 in a rotating mode and is in threaded fit with the sliding plate 7, and a sliding seat in sliding fit with the sliding guide rail is arranged at the bottom of the sliding plate 7; the drive screw rod can conveniently drive the sliding plate 7 to slide along the length direction of the rack 1, so that the axis direction of the blank can be conveniently cut.

Referring to fig. 1, the cooling assembly 6 includes a liquid storage tank 16 and a liquid outlet pipe 15, the liquid storage tank 16 is used for storing cooling liquid, the liquid outlet pipe 15 is used for guiding the flowing direction of the cooling liquid, the liquid outlet pipe 15 guides the cooling liquid to wash away the blank being cut, and the cooling liquid takes away the heat generated by cutting the blank, so that the blank can be better prevented from being overheated, and the tooth forming cutter 10 is guaranteed to perform stable cutting processing on the blank.

Referring to fig. 1, the chip collecting assembly 5 includes a chip guide hopper 13 and a chip collecting box 14, the chip guide hopper 13 is funnel-shaped with a large top and a small bottom, the chip collecting box 14 is disposed below the chip guide hopper 13, a strip-shaped chip leaking hole 12 is disposed on the frame 1, and the chip leaking hole 12 is a through hole. The scrap guide hopper 13 guides the scraps to fall into the scrap collecting box 14, and the scrap collecting box 14 collects the scraps so as to perform centralized processing on the scraps; the side wall of the chip collecting box 14 close to the bottom is provided with a liquid leakage hole 17, and the liquid leakage hole 17 is used for flushing cooling liquid flowing down after the blank is washed, so that the cooling liquid and the chips can be better separated.

Referring to fig. 2, the mounting plate 8 is rotatably connected to the sliding plate 7, the mounting plate 8 is rotatably disposed along the vertical direction, and the rotating shafts of the mounting plate 8 and the sliding plate 7 are disposed at positions close to the side edges of the sliding plate 7; an arc-shaped locking plate 18 is fixed on the mounting plate 8, an arc-shaped locking groove 19 is formed in the locking plate 18, and the circle center of the arc-shaped locking groove 19 is located on the axis of the rotating shaft of the mounting plate 8 and the sliding plate 7; the sliding plate 7 is welded with a locking screw rod 20, the locking screw rod 20 penetrates through the locking groove 19, and a locking nut 21 is in threaded fit with the locking screw rod 20.

Referring to fig. 2, the adjusting plate 9 is slidably disposed along the length direction of the mounting plate 8, a sliding guide rail is bolted to one side of the mounting plate 8 facing the adjusting plate 9, and a sliding seat slidably engaged with the sliding guide rail is bolted to one side of the adjusting plate 9 facing the mounting plate 8; one side of the mounting plate 8 facing the adjusting plate 9 is rotatably connected with a driving screw rod, the driving screw rod is in threaded fit with the adjusting plate 9, and the driving screw rod can drive the adjusting plate 9 to slide towards the direction close to or far away from the blank.

Referring to fig. 2, the tooth forming cutter 10 is rotatably disposed on the adjusting plate 9, the tooth forming cutter 10 is integrally disc-shaped, the adjusting plate 9 is provided with a forming motor 11, the forming motor 11 is used for driving the tooth forming cutter 10 to rotate, and the tooth forming cutter 10 rotates to rapidly cut a blank; the adjusting plate 9 slides along the length direction of the mounting plate 8, and can cut the blank in the radial direction, so that the gear can be processed more quickly.

Example 2:

referring to fig. 3, a numerically controlled lathe for gear machining differs from embodiment 1 in that a mounting plate 8 is rotatably provided on a slide plate 7, the mounting plate 8 is rotatably provided in a horizontal direction, and the mounting plate 8 and the slide plate 7 are connected by a rotating shaft; an arc-shaped adjusting groove 22 is formed in the mounting plate 8, the circle center of the arc-shaped adjusting groove 22 is arranged on the axis of the rotating shaft, an adjusting screw 23 is welded on the sliding plate 7, and an adjusting nut 24 is in threaded fit with the adjusting screw 23; the mounting plate 8 can rotate along the horizontal direction, so that the included angle between the sliding direction of the adjusting plate 9 and the axis direction of the blank is changed, the mounting plate 8 can be locked on the sliding plate 7 by the cooperation of the adjusting nut 24 and the adjusting screw rod 23, the tooth forming knife 10 can stably cut the blank, and the bevel gear can be processed conveniently as required.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A numerical control lathe for gear machining comprises a rack (1), a main shaft (2) rotatably connected with the rack (1) and a clamping assembly (3) for clamping a blank, wherein the clamping assembly (3) is arranged on the main shaft (2);

the gear tooth machining device is characterized in that a gear tooth machining assembly (4) for machining gear teeth is arranged on the rack (1), and a scrap collecting assembly (5) for collecting scraps and a cooling assembly (6) for cooling blanks are arranged on the rack (1);

tooth processing subassembly (4) include along frame (1) length direction slide plate (7), rotate mounting panel (8) of setting on slide plate (7), slide adjusting plate (9) of setting on mounting panel (8) and rotate tooth shaping sword (10) of setting on adjusting plate (9).

2. The numerically controlled lathe for gear machining according to claim 1, wherein the adjusting plate (9) is provided with a forming motor (11) for driving the tooth forming cutter (10) to rotate.

3. The numerical control lathe for gear machining is characterized in that the machine frame (1) is provided with an elongated chip leaking hole (12), the chip collecting assembly (5) comprises a chip guide hopper (13) arranged on the machine frame (1) and a chip collecting box (14) arranged at the bottom of the chip guide hopper (13).

4. A numerically controlled lathe for gear machining according to claim 3, characterised in that the cooling group (6) comprises a tank (16) for storing the cooling fluid and a drain (15) for directing the flow of the cooling fluid, the drain (15) being arranged on the frame (1).

5. The numerically controlled lathe for gear machining according to claim 4, characterized in that the side wall of the chip collecting box (14) is provided with a weep hole (17) near the bottom.

6. The numerical control lathe for gear machining according to claim 1, wherein the mounting plate (8) is rotatably arranged in a vertical direction, an arc-shaped locking plate (18) is arranged on the mounting plate (8), a locking groove (19) is formed in the locking plate (18), a locking screw (20) arranged on the sliding plate (7) penetrates through the locking groove (19), and a locking nut (21) is in threaded fit with the locking screw (20).

7. The numerical control lathe for gear machining according to claim 1, wherein the mounting plate (8) is rotatably arranged in a horizontal direction, an arc-shaped adjusting groove (22) is formed in the mounting plate (8), an adjusting screw (23) penetrating through the adjusting groove (22) is arranged on the sliding plate (7), and an adjusting nut (24) is in threaded fit with the adjusting screw (23).

8. A numerically controlled lathe for gear machining according to claim 1, characterized in that said clamping assembly (3) comprises a clamping plate (25) and at least three clamping jaws (26) sliding along said clamping plate (25), said at least three clamping jaws (26) being uniformly distributed along the circumferential direction of the clamping plate (25).