CN215615570U

CN215615570U - Spiral bevel gear milling machine

Info

Publication number: CN215615570U
Application number: CN202122372723.2U
Authority: CN
Inventors: 顾家豪
Original assignee: Nantong Kaixi Electromechanical Tools Co ltd
Current assignee: Nantong Kaixi Electromechanical Tools Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-01-25
Anticipated expiration: 2031-09-28

Abstract

The application relates to the technical field of gear processing machines, in particular to a spiral bevel gear milling machine which comprises a machine body, a spindle box and a workpiece box, wherein the spindle box and the workpiece box are both provided with speed reducing motors, the machine body is of a vertical column structure, and the spindle box and the workpiece box are arranged on two adjacent side surfaces of the machine body; the spindle box is arranged on the side face of the lathe bed through a rotating shaft, the upper end and the lower end of the spindle box are respectively provided with a rotating adjusting frame, the end part of the spindle box is provided with a gear cutting tool, and the gear cutting tool is provided with a cooling mechanism; the workpiece box is installed on a guide rail seat on the side wall of the lathe bed, the end part of the workpiece box is provided with a clamping assembly, the clamping assembly comprises a gear sleeving frame and a gear fixing frame, the gear sleeving frame is installed at the end part of an output shaft of the speed reducing motor, the gear fixing frame comprises an extrusion block connected with the gear sleeving frame in a clamped mode and a supporting frame body used for installing the extrusion block, and the end part of the supporting frame body is fixedly connected with the workpiece box. The utility model provides the convenient degree of regulation of high milling tooth angle has improved the milling tooth efficiency.

Description

Spiral bevel gear milling machine

Technical Field

The application relates to the technical field of gear machining machines, in particular to a curved-tooth bevel-tooth gear milling machine.

Background

The spiral bevel gear milling machine adopts an alternating-current variable-frequency motor as a main driving force source, the cradle and the workpiece main shaft are driven by a servo motor to drive a precise worm gear pair, and the saddle feeding is driven by the servo motor through a precise ball screw, so that the traditional mechanical transmission is simplified, a change of a hanging wheel is not needed, the machine tool adjusting time is shortened, a transmission chain is simplified, the precision is further improved, and the operation is more accurate and convenient. The machine tool is provided with an independently sealed electrical cabinet, an air conditioner and a heat exchanger.

Chinese patent CN201735905U is a three-axis numerical control spiral bevel gear milling machine, a saddle feeding mechanism is combined by a rolling linear guide rail and a precise ball screw and is driven by numerical control, two ends of a cradle drum wheel are supported by two rolling bearings, the cradle drum wheel, an eccentric drum wheel and a cutter shaft adopt split structures, worm gears and worms of a cradle and a workpiece box are vertically installed and are driven by numerical control, the gap between the worm gears and the worms is adjusted by using eccentric sleeves respectively, meanwhile, the workpiece box can adjust the workpiece installation distance through a rotary planker, hydraulic and cooling systems are respectively independent and distributed in a machine body, so that the occupied area is smaller, and the land is saved; the spiral bevel gear is suitable for the production of spiral bevel gears in industries such as garden tools, pneumatic tools, electric tools, industrial and household sewing machines and the like, and can be used in small batches and large batches.

However, in the structure of the horizontal type gear milling machine tool adopted in the prior art, in the process of milling teeth of arc teeth or bevel teeth, the position of a rotary dragging plate at the bottom of a workpiece box needs to be adjusted firstly, the workpiece box and a cutter spindle are moved linearly to cut after a correct position is found, and chips generated in the cutting process cannot be completely absorbed by a chip cleaner arranged on a machine body, easily fall into the connecting part of a saddle and the rotary dragging plate and a sliding linear guide rail, so that the angle adjustment of the tool box and the reciprocating motion in the gear milling process are influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the prior art, the application provides a curved-tooth bevel gear milling machine.

The application provides a curved tooth bevel gear mills tooth machine adopts following technical scheme:

a spiral bevel gear milling machine comprises a machine body, a spindle box and a workpiece box, wherein the spindle box and the workpiece box are both provided with speed reducing motors, the machine body is of a stand column structure, and the spindle box and the workpiece box are arranged on two adjacent side surfaces of the machine body; the spindle box is arranged on the side face of the lathe bed through a rotating shaft, the upper end and the lower end of the spindle box are respectively provided with a rotating adjusting frame, the end part of the spindle box is provided with a gear cutting tool, and the gear cutting tool is provided with a cooling mechanism; the workpiece box is installed on a guide rail seat on the side wall of the lathe bed, the end part of the workpiece box is provided with a clamping assembly, the clamping assembly comprises a gear sleeving frame and a gear fixing frame, the gear sleeving frame is installed at the end part of an output shaft of the speed reducing motor, the gear fixing frame comprises an extrusion block connected with the gear sleeving frame in a clamped mode and a supporting frame body used for installing the extrusion block, and the end part of the supporting frame body is fixedly connected with the workpiece box.

Through adopting above-mentioned technical scheme, lathe bed among the gear milling machine of curved teeth awl tooth is through adopting the stand structure, install headstock and work piece case on the side of stand, wherein the headstock is installed on the side of lathe bed through the pivot, can let to take place relative rotation between headstock and the lathe bed, and the rotation alignment jig of the upper and lower both ends installation of headstock can consolidate and spacing the pivoted headstock body, and rotate the alignment jig and can control headstock pivoted angle, thereby the headstock can mill its angle of self of position adjustment of tooth as required. The gear cutting tool mounted on the end of the main spindle box is used for cutting clamped workpieces in the workpiece box, and the gear cutting tool is provided with a cooling mechanism for cooling the gear cutting tool in the cutting process. The workpiece box is arranged on the guide rail seat on the side wall of the lathe bed and can move transversely and longitudinally on the guide rail seat, so that the gear clamped by the workpiece box is matched with the spindle box to mill teeth, the guide rail seat is arranged on the side wall of the lathe bed, chips generated by milling the teeth easily slide off the guide rail seat, accumulation is not easy to generate, and normal operation of the guide rail seat is ensured. The clamping assembly arranged at the end part of the workpiece box sleeves the gear through the gear sleeve bracket in the clamping assembly, and reinforces and limits the sleeved gear through the action of the gear fixing bracket. The gear sleeving frame is sleeved with the workpiece, and the gear fixing frame is matched with the gear sleeving frame through the extrusion block arranged on the support frame body to fix the workpiece, so that the workpiece is conveniently milled.

Preferably, the column structure of lathe bed adopts the cuboid structure, and the pivot setting of installation on the headstock is in the junction of adjacent both sides face.

Through adopting above-mentioned technical scheme, lathe bed stand structure adopts the cuboid structure, consequently is the right angle and distributes between the two adjacent sides to the mounted position of pivot can realize adjusting at turned angle's within range along with the rotation of pivot in the junction of adjacent surface in the headstock installation, satisfies different gear milling demands.

Preferably, the cooling mechanism comprises a cooling water spray head arranged at the top of the gear cutting tool and a cooling water collecting tank arranged at the bottom of the gear cutting tool, and a water outlet at the bottom of the cooling water collecting tank is connected with the cooling water spray head through a water pipe.

Through adopting above-mentioned technical scheme, the cooling water shower nozzle at top sprinkles to the gear cutting cutter among the cooling body, and the cooling water collecting vat of gear cutting cutter bottom is collected the cooling water, and the outlet of cooling water collecting vat bottom is with the water cooling wherein after isomorphic water pipe transmission back cooling water shower nozzle again and circulate.

Preferably, the bottom of the cooling water collecting tank is provided with a filter screen, the filter screen is obliquely arranged, and the water outlet is arranged at one end of a high point of the filter screen.

Through adopting above-mentioned technical scheme, the filter screen of cooling water collecting vat bottom installation can filter the cutting piece that has in the cooling water to the slope of filter screen can let filterable piece to one side motion of filter screen, has avoided piling up for a long time and has caused the jam of filter screen, and the outlet sets up one side of refilter net high point, the effectual circulation of guaranteeing cooling water flow.

Preferably, the guide rail seat comprises a transverse sliding guide rail and a longitudinal sliding guide rail, wherein the longitudinal sliding guide rail is directly fixed on the bed body, and the transverse sliding guide rail is arranged on one side of the longitudinal sliding guide rail far away from the bed body and is in sliding connection with the longitudinal sliding guide rail.

By adopting the technical scheme, the longitudinal sliding rail in the guide rail seat is directly fixed on the lathe bed, the transverse sliding rail slides up and down on the longitudinal sliding rail, the workpiece box is arranged on the transverse sliding rail, and the workpiece box can move transversely, so that the transverse and longitudinal free movement of the workpiece box is formed.

Preferably, the gear sleeving frame comprises a fixed ring sleeve and a connecting shaft penetrating through the fixed ring sleeve, wherein the connecting shaft is circumferentially arrayed on the fixed ring sleeve, the end, located on the inner side of the fixed ring sleeve, of the connecting shaft is provided with an extrusion sheet, and the end, located on the outer side of the fixed ring sleeve, of the connecting shaft is provided with an annular clamping block.

Through adopting above-mentioned technical scheme, the work piece in the outer suit of solid fixed ring cover in the gear suit frame, the internal connection that runs through the connecting axle of solid fixed ring cover has the extrusion piece, and the extrusion piece forms an annular cavity, the shape adaptation of cavity and extrusion piece, the extrusion piece in the gear fixed shelf is to adding the extrusion piece wherein and extrude, thereby drive the connecting axle to the outside motion, the annular grip block that the connecting axle outer end set up extrudees the interior wall of surveying of work piece, thereby the realization is fixed to the work piece.

Preferably, one end of the connecting shaft close to the extrusion sheet is sleeved with a spring, and a guide sleeve is arranged at the position of the connecting shaft penetrating through the fixed ring sleeve.

Through adopting above-mentioned technical scheme, the one end cover that the coupling shaft is close to the extrusion piece is equipped with the spring, and the spring can provide the buffering when the extrusion piece just gets into the annular cavity in the extrusion piece, avoids the coupling shaft horizontal atress to cause buckling to run through fixed ring cover department on the coupling shaft and be provided with guide sleeve, further the buckling of coupling shaft has been avoided.

Preferably, the support frame body adopts an L-shaped structure, a cylinder is installed at the joint of the support frame body and the extrusion block, and the cylinder is arranged on the fixing sleeve on the support frame.

Through adopting above-mentioned technical scheme, the support frame adopts the structure of "L" shape, can not influence the milling tooth of work piece to the cylinder is installed to the junction of support frame and extrusion piece, and the cylinder can get the fixed cover at the support frame and remove, gets the dismouting in-process at the work piece and carries out concertina movement.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lathe bed adopts the design of a vertical column, so that when the spindle box and the workpiece box are matched to cut the arc-tooth bevel gear, the generated scraps can directly slide and be collected, and the influence on the normal operation of the workpiece box caused by the scraps entering the guide rail seat is avoided;

2. the cooling mechanism arranged on the gear cutting tool can filter and circulate the cooled water through spraying of the cooling water spray head and collection of the cooling water collecting tank, so that the cyclic utilization of the cooling water is realized;

3. the spindle box is provided with the rotating shaft between the spindle box and the lathe bed, the workpiece box moves through the guide rail seat with the transverse sliding guide rail and the longitudinal sliding guide rail, the requirements of milling teeth of workpieces at different angles are met, the angle adjustment is convenient and fast, and the production efficiency is greatly improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a curved-tooth bevel-tooth gear milling machine;

fig. 2 is an enlarged view of a clamping assembly in the spiral bevel gear milling machine.

Description of reference numerals: 1. a bed body; 2. a main spindle box; 21. a rotating shaft; 22. rotating the adjusting frame; 23. a gear cutting tool; 24. a cooling mechanism; 241. cooling water spray heads; 242. a cooling water collecting tank; 243. a water outlet; 244. a filter screen; 3. a workpiece box; 4. a guide rail seat; 41. a lateral sliding guide rail; 42. a longitudinal sliding guide rail; 5. a clamping assembly; 51. the gear is sleeved with the frame; 511. fixing the loop; 512. a coupling shaft; 513. extruding the sheet; 514. an annular clamping block; 515. a spring; 516. a guide sleeve; 52. a gear fixing frame; 521. extruding the block; 522. a support frame body; 523. a cylinder; 524. and (4) fixing sleeves.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a curved-tooth bevel gear milling machine.

Referring to fig. 1 and 2, the arc-tooth bevel gear milling machine comprises a machine body 1, a spindle box 2 and a workpiece box 3, wherein the spindle box 2 and the workpiece box 3 are respectively provided with a speed reducing motor, the machine body 1 adopts a column structure, and the spindle box 2 and the workpiece box 3 are arranged on two adjacent side surfaces of the machine body 1; the spindle box 2 is arranged on the side face of the lathe bed 1 through a rotating shaft 21, the upper end and the lower end of the spindle box 2 are both provided with a rotating adjusting frame 22, the end part of the spindle box 2 is provided with a gear cutting tool 23, and the gear cutting tool 23 is provided with a cooling mechanism 24; the workpiece box 3 is arranged on a guide rail seat 4 on the side wall of the machine body 1, the end part of the workpiece box 3 is provided with a clamping assembly 5, the clamping assembly 5 comprises a gear sleeve frame 51 and a gear fixing frame 52, the gear sleeve frame 51 is arranged at the end part of an output shaft of the speed reducing motor, the gear fixing frame 52 comprises an extrusion block 521 clamped with the gear sleeve frame 51 and a support frame body 522 used for installing the extrusion block 521, and the end part of the support frame body 522 is fixedly connected with the workpiece box 3. Lathe bed 1 among the gear milling machine of arc tooth awl tooth is through adopting the stand structure, install headstock 2 and work piece case 3 on the side of stand, wherein headstock 2 is installed on the side of lathe bed 1 through pivot 21, can let take place relative rotation between headstock 2 and the lathe bed 1, and the rotation adjusting bracket 22 of headstock 2's upper and lower both ends installation can consolidate and spacing the 2 bodies of pivoted headstock, and rotate adjusting bracket 22 and can control 2 pivoted angles of headstock, thereby headstock 2 can be as required mill its angle of position adjustment of tooth. A gear cutting tool 23 mounted on an end portion of the headstock 2 is used for cutting the clamped workpiece in the workpiece box 3, and a cooling mechanism 24 is mounted on the gear cutting tool 23 for cooling it during the cutting process. Workpiece box 3 is installed on guide rail seat 4 on the lateral wall of lathe bed 1, can go on horizontal and fore-and-aft removal on guide rail seat 4 to the gear of 3 centre grippings of cooperation workpiece box mills the tooth with headstock 2, and cut guide rail seat 4 and set up on the lateral wall of lathe bed 1, the piece that the tooth produced of milling easily follows guide rail seat 4 and slides down, and difficult production is piled up, has guaranteed the normal operation of guide rail seat 4. The clamping component 5 arranged at the end part of the workpiece box 3 is sleeved with the gear through a gear sleeving frame 51 in the clamping component 5, and the sleeved gear is reinforced and limited through the action of a gear fixing frame 52. The gear sleeving frame 51 is sleeved with a workpiece, the gear fixing frame 52 is matched with the gear sleeving frame 51 through the extrusion block 521 mounted on the support frame body 522 to fix the workpiece, and the workpiece is conveniently milled.

Referring to fig. 1, a column structure of a lathe bed 1 is a rectangular parallelepiped structure, and a rotating shaft 21 mounted on a spindle box 2 is arranged at a joint of two adjacent side surfaces. The column structure of the lathe bed 1 adopts a cuboid structure, so that two adjacent side surfaces are distributed at a right angle, the mounting position of the spindle 21 in the mounting of the spindle box 2 is at the joint of the adjacent surfaces, the workpiece on the workpiece box 3 can be adjusted within the range of the rotation angle along with the rotation of the spindle 21, and different gear milling requirements are met.

Referring to fig. 1, the cooling mechanism 24 includes a cooling water shower 241 installed at the top of the cutter 23 and a cooling water collecting tank 242 installed at the bottom of the cutter 23, and a drain port 243 at the bottom of the cooling water collecting tank 242 is connected to the cooling water shower 241 through a water pipe. The cooling water spray head 241 at the top of the cooling mechanism 24 sprays the gear cutting tool 23, the cooling water collecting tank 242 at the bottom of the gear cutting tool 23 collects the cooling water, and the water outlet 243 at the bottom of the cooling water collecting tank 242 cools the water therein and then transmits the water to the cooling water spray head 241 through the same water pipe for circulation.

Referring to fig. 1 and 2, a filter screen 244 is installed at the bottom of the cooling water collecting tank 242, the filter screen 244 is disposed obliquely, and the drain opening 243 is disposed at one end of a high point of the filter screen 244. The cutting piece that has in the cooling water can be filtered to the filter screen 244 of cooling water collecting groove 242 bottom installation to the slope of filter screen 244 can let filterable piece to one side motion of filter screen 244, has avoided piling up for a long time and has caused the jam of filter screen 244, and the drain opening 243 sets up the one side of refilter screen 244 high point, the effectual circulation that guarantees cooling water flow.

Referring to fig. 1, the rail base 4 includes a transverse sliding rail 41 and a longitudinal sliding rail 42, wherein the longitudinal sliding rail 42 is directly fixed on the bed 1, and the transverse sliding rail 41 is installed on a side of the longitudinal sliding rail 42 away from the bed 1 and is slidably connected with the longitudinal sliding rail 42. The longitudinal sliding rail in the guide rail seat 4 is directly fixed on the machine body 1, the transverse sliding rail slides up and down on the longitudinal sliding rail, the workpiece box 3 is arranged on the transverse sliding rail, and the workpiece box 3 can move transversely, so that the workpiece box 3 can move freely transversely and longitudinally.

Referring to fig. 1 and 2, the gear housing 51 includes a fixed ring housing 511 and a coupling shaft 512 penetrating the fixed ring housing 511, wherein the coupling shaft 512 is circumferentially arrayed on the fixed ring housing 511, a pressing piece 513 is installed at one end of the coupling shaft 512 located inside the fixed ring housing 511, and an annular clamping block 514 is installed at one end of the coupling shaft 512 located outside the fixed ring housing 511. A workpiece is sleeved outside a fixed ring sleeve 511 in a gear sleeving frame 51, an extrusion sheet 513 is connected inside a connecting shaft 512 penetrating through the fixed ring sleeve 511, the extrusion sheet 513 forms an annular cavity, the cavity is matched with the extrusion block 521 in shape, the extrusion block 521 in the gear fixing frame 52 extrudes the extrusion sheet 513 added in the cavity, so that the connecting shaft 512 is driven to move outwards, and an annular clamping block 514 arranged at the outer end of the connecting shaft extrudes the inner side wall of the workpiece, so that the workpiece is fixed.

Referring to fig. 1 and 2, a spring 515 is sleeved on one end of the coupling shaft 512 close to the pressing plate 513, and a guide sleeve 516 is disposed at a position where the coupling shaft 512 penetrates through the fixing ring sleeve 511. One end of the coupling shaft 512 close to the extrusion plate 513 is sleeved with a spring 515, the spring 515 can provide buffer when the extrusion block 521 just enters the annular cavity in the extrusion plate 513, so as to avoid bending of the coupling shaft 512 due to transverse stress, and a guide sleeve 516 is arranged on the coupling shaft at the position penetrating through the fixed ring sleeve 511, so as to further avoid bending of the coupling shaft 512.

Referring to fig. 1 and 2, the support frame body 522 is of an L-shaped structure, an air cylinder 523 is installed at a connection position of the support frame body 522 and the extrusion block 521, and the air cylinder 523 is arranged on a fixing sleeve 524 on the support frame. The support frame adopts the structure of "L" shape, can not influence the milling tooth of work piece to the cylinder 523 is installed to the junction of support frame and extrusion piece 521, and the cylinder 523 can remove on the fixed cover 524 of support frame, carries out telescopic motion in the dismouting in-process of work piece.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an arc tooth bevel gear milling machine, includes lathe bed (1), headstock (2) and work piece case (3), wherein all installs gear motor, its characterized in that in headstock (2) and work piece case (3): the lathe bed (1) adopts a column structure, and the spindle box (2) and the workpiece box (3) are arranged on two adjacent side surfaces of the lathe bed (1); the spindle box (2) is installed on the side face of the lathe bed (1) through a rotating shaft (21), the upper end and the lower end of the spindle box (2) are both provided with a rotating adjusting frame (22), the end part of the spindle box (2) is provided with a gear cutting tool (23), and the gear cutting tool (23) is provided with a cooling mechanism (24); the workpiece box (3) is installed on a guide rail seat (4) on the side wall of the lathe bed (1), the end part of the workpiece box (3) is provided with a clamping assembly (5), the clamping assembly (5) comprises a gear sleeve frame (51) and a gear fixing frame (52), the gear sleeve frame (51) is installed at the end part of an output shaft of the speed reducing motor, the gear fixing frame (52) comprises an extrusion block (521) connected with the gear sleeve frame (51) in a clamped mode and a supporting frame body (522) used for installing the extrusion block (521), and the end part of the supporting frame body (522) is fixedly connected with the workpiece box (3).

2. The curved-tooth bevel gear milling machine according to claim 1, wherein: the column structure of the lathe bed (1) adopts a cuboid structure, and a rotating shaft (21) arranged on the spindle box (2) is arranged at the joint of two adjacent side faces.

3. The curved-tooth bevel gear milling machine according to claim 1, wherein: the cooling mechanism (24) comprises a cooling water spray head (241) arranged at the top of the gear cutting tool (23) and a cooling water collecting tank (242) arranged at the bottom of the gear cutting tool (23), and a water outlet (243) at the bottom of the cooling water collecting tank (242) is connected to the cooling water spray head (241) through a water pipe.

4. A curved-tooth bevel gear milling machine according to claim 3, characterized in that: a filter screen (244) is installed at the bottom of the cooling water collecting tank (242), the filter screen (244) is obliquely arranged, and the water outlet (243) is arranged at one end of a high point of the filter screen (244).

5. The curved-tooth bevel gear milling machine according to claim 1, wherein: the guide rail seat (4) comprises a transverse sliding guide rail (41) and a longitudinal sliding guide rail (42), wherein the longitudinal sliding guide rail (42) is directly fixed on the bed body (1), the transverse sliding guide rail (41) is installed on one side, far away from the bed body (1), of the longitudinal sliding guide rail (42), and the transverse sliding guide rail and the longitudinal sliding guide rail are in sliding connection.

6. The curved-tooth bevel gear milling machine according to claim 1, wherein: the gear sleeving frame (51) comprises a fixed ring sleeve (511) and a coupling shaft (512) penetrating through the fixed ring sleeve (511), wherein the circumferential array of the coupling shaft (512) is arranged on the fixed ring sleeve (511), one end of the coupling shaft (512) located on the inner side of the fixed ring sleeve (511) is provided with an extrusion sheet (513), and one end of the coupling shaft (512) located on the outer side of the fixed ring sleeve (511) is provided with an annular clamping block (514).

7. The curved-tooth bevel gear milling machine according to claim 6, wherein: one end of the coupling shaft (512) close to the extrusion sheet (513) is sleeved with a spring (515), and a guide sleeve (516) is arranged at the position where the coupling shaft (512) penetrates through the fixed ring sleeve (511).

8. The curved-tooth bevel gear milling machine according to claim 1, wherein: the support frame body (522) adopts an L-shaped structure, a cylinder (523) is installed at the joint of the support frame body (522) and the extrusion block (521), and the cylinder (523) is arranged on a fixed sleeve (524) on the support frame.