CN211638558U

CN211638558U - Small-modulus automatic gear hobbing machine

Info

Publication number: CN211638558U
Application number: CN201922500540.7U
Authority: CN
Inventors: 叶海燕; 刘荣昌
Original assignee: Dongguan Naigoo Precision Machinery Co ltd
Current assignee: Dongguan Naigoo Precision Machinery Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-09
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a small module automatic gear hobbing machine, belonging to the technical field of gear processing machine tools; the device comprises a lathe bed, a housing and an oil mist collector, wherein the lathe bed is provided with a hobbing device, a double-linkage clamping device and a cooling liquid circulating device; the clamping rotating mechanism and the abutting rotating mechanism are arranged correspondingly, the workpiece is clamped and abutted between the clamping rotating mechanism and the abutting rotating mechanism, two ends of the workpiece are driven to rotate synchronously, and the hobbing device performs hobbing on the workpiece under the spraying effect of the cooling liquid circulating device on the workpiece. And a ring piece feeding device is additionally arranged and comprises a vibration disc erected on the lathe bed, a straight vibration track arranged at the outlet end of the vibration disc and a feeding mechanism arranged at the outlet end of the straight vibration track. The utility model adopts a double-linkage clamping mode to improve the precision of small module tooth profile processing and reduce the abrasion of a hobbing cutter; by additionally arranging the ring piece feeding device, the automatic processing of the ring tooth processing piece is realized under the condition of ensuring the accuracy of the tooth shape processing, and the processing efficiency of the ring tooth processing piece is improved.

Description

Small-modulus automatic gear hobbing machine

Technical Field

The utility model relates to a gear cutting machine's technical field especially relates to an automatic gear hobbing machine of little modulus.

Background

The gear is regarded as an important mechanical transmission part and is generally recognized as a symbol of industrialization, the manufacturing process level and the precision of production equipment directly influence the performance and the quality of products, wherein the small module gear is widely applied to systems such as electronics, aviation, navigation, precision instruments and the like, the precision of the gear directly influences the precision of the whole system, so the processing of the small module gear is important in mechanical processing, particularly precision mechanical processing, and the processing precision of one small module gear directly represents the technical level of precision mechanical processing of a factory.

At present, most of clamping devices of a small module gear processing machine tool adopt a single actively rotating working head and a follow-up tailstock ejector to clamp a workpiece, the workpiece is driven by the working head to rotate, and the tailstock ejector pin follows up along with the rotation of the workpiece, so that the hobbing device performs hobbing on the workpiece; the disadvantages caused by the clamping mode processing are as follows: because the clamping conditions at the two ends of the workpiece are inconsistent, certain resistance and behavior tolerance jumping exist in the rotating process of the workpiece, and the hobbing precision of the workpiece is influenced; in addition, for the hobbing of the annular small-module gear, the feeding design of the prior art for the annular piece is not reasonable, so that the automation degree of the annular small-module gear is not high, and the hobbing precision and the machining efficiency are influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a small-module automatic gear hobbing machine which adopts a double-linkage clamping mode to improve the precision of small-module tooth profile machining and reduce the abrasion of a gear hobbing cutter; and through additionally arranging the automatic feeding device for the ring gear machined part, the automatic machining of the ring gear machined part is realized under the condition of ensuring the precision of the tooth shape machining, and the machining efficiency of the ring gear machined part is greatly improved.

The utility model provides the following technical proposal, a small modulus automatic hobbing machine, which comprises a machine body with a leveling foot at the bottom end, a housing arranged above the machine body and an oil mist collector arranged at the upper end of the housing and communicated with the inner cavity of the housing; the machine tool body is provided with a hobbing device, a double-linkage clamping device and a cooling liquid circulating device, wherein the double-linkage clamping device and the cooling liquid circulating device are arranged at the front end of the hobbing device; through the arrangement of the housing and the oil mist collector, the pollution to the production environment is reduced.

Preferably, the double-linkage clamping device comprises a Z-axis base arranged on the lathe bed, two first guide rails arranged on the Z-axis base in parallel, and a clamping rotating mechanism and a butting rotating mechanism which respectively slide along the two first guide rails; the clamping rotating mechanism and the abutting rotating mechanism are arranged correspondingly, a workpiece is clamped and abutted between the clamping rotating mechanism and the abutting rotating mechanism, two ends of the workpiece are driven to rotate synchronously, and under the spraying action of the cooling liquid circulating device on the workpiece, the hobbing device performs hobbing on the workpiece; by adopting the double-linkage clamping mode of the double-linkage clamping device, the purpose of improving the precision of small-modulus tooth profile machining is achieved.

Preferably, the clamping and rotating mechanism comprises a first lead screw sliding table module matched with the two first guide rails and a clamping and rotating assembly arranged on the first lead screw sliding table module; the centre gripping runner assembly passes through first lead screw slip table module carries out accurate location, is convenient for accord with the processing demand of different machined parts.

Preferably, the clamping rotating assembly comprises a clamping fixed seat arranged on the first screw rod sliding table module, a clamping rotating shaft rotatably arranged on the clamping fixed seat, and a first motor and a first chuck respectively arranged at two ends of the clamping rotating shaft; be equipped with first jack catch in the first chuck, the machined part is installed in the first chuck and pass through the fixed centre gripping of first jack catch, the centre gripping axis of rotation passes the centre gripping fixing base, thereby first motor drive first chuck rotates and drives the synchronous revolution motion is done to the machined part.

Preferably, the tightening rotating mechanism comprises a second screw rod sliding table module matched with the two first guide rails, a locking assembly arranged on the second screw rod sliding table module and a tightening rotating assembly arranged on the locking assembly; support tight rotating assembly and pass through second lead screw slip table module carries out accurate location, is convenient for accord with the processing demand of different machined parts.

Preferably, the anti-loosening assembly comprises a second guide rail and a first air cylinder which are arranged on the second lead screw sliding table module, a telescopic shaft which is arranged on a piston rod of the first air cylinder, and a connecting block which is arranged on the telescopic shaft; the abutting rotating assembly is fixedly arranged on the connecting block, the first air cylinder drives the telescopic shaft to slide along the second guide rail, so that the phenomenon that a workpiece is loosened in the gear hobbing process is prevented, and the gear hobbing precision of the workpiece is improved.

Preferably, the tightening rotating assembly comprises a tightening fixing seat arranged on the anti-loosening assembly, a tightening rotating shaft rotatably arranged on the tightening fixing seat, and a second motor and a second chuck arranged at two ends of the tightening rotating shaft; the second chuck is internally provided with a tip, a workpiece is clamped by the clamping and rotating mechanism and is tightly pressed by the tip, the abutting rotating shaft penetrates through the abutting fixing seat, and the second motor drives the second chuck to rotate, so that the workpiece is fixed and tightly abutted between the second chuck and the workpiece, and the two ends of the workpiece are driven to synchronously rotate, and the purpose of improving the precision of small-modulus tooth profile machining is achieved.

Preferably, the clamping rotating assembly and the abutting rotating assembly are respectively provided with a deburring mechanism which is arranged corresponding to the clamping rotating assembly and the abutting rotating assembly; the deburring mechanism comprises a first XY adjusting platform, a deburring mounting plate arranged on the first XY adjusting platform, a second air cylinder arranged on the deburring mounting plate, a deburring movable plate arranged on a piston rod of the second air cylinder, a cutter fixing plate arranged on the deburring movable plate and a deburring cutter movably arranged on the cutter fixing plate; by additionally arranging the deburring mechanism, the influence of burrs generated in the gear hobbing process on the gear hobbing processing quality is avoided, and the gear hobbing processing quality is improved.

Preferably, the hobbing device comprises a third screw rod sliding table module which is arranged on the lathe bed and is arranged in the X-axis direction, a swing angle feeding mechanism which is arranged on the third screw rod sliding table module, and a hobbing processing mechanism which is arranged on the swing angle feeding mechanism; through the design of this gear hobbing device structure, expand the scope of processing of this automatic gear hobbing machine processing, realize the diversification of its function.

Preferably, the swing angle feeding mechanism comprises an index plate rotary table arranged on the third screw rod sliding table module, an installation base arranged on a rotary plate of the index plate rotary table and a fourth screw rod sliding table module arranged on the installation base; the rotary disc of the index disc rotary worktable is vertically arranged, so that the hobbing mechanism realizes Y-axial feeding hobbing; through the design of the swing angle feeding mechanism, the gear shape requirements of various structural requirements on a machined part can be processed by the gear hobbing mechanism, and the application range of the small-modulus automatic gear hobbing machine is expanded.

Preferably, the hobbing mechanism comprises a hobbing fixing plate arranged on the fourth screw rod sliding table module, a hobbing fixing seat arranged on the hobbing fixing plate, a hobbing rotating shaft rotatably arranged on the hobbing fixing seat, a third motor and a third chuck arranged at two ends of the hobbing rotating shaft, and a hobbing processing assembly connected with the third chuck; and the machining feed motion of the hobbing machining assembly is realized through the driving action of the fourth screw rod sliding table module.

Preferably, the hobbing machining assembly comprises a third jaw arranged on the third chuck, a hobbing cutter fixing rod arranged on the third jaw, a hobbing cutter arranged on the hobbing cutter fixing rod, a hobbing cutter tip mounting seat arranged on the hobbing cutter fixing plate and a hobbing cutter tip rotatably arranged on the hobbing cutter tip mounting seat; the hob is fixed on the hob fixing rod through a fastener, the top of the hob abuts against the hob fixing rod, and the third motor drives the third chuck to rotate so as to drive the hob fixing rod to rotate, so that the hob performs gear hobbing operation on a machined part.

Preferably, the small-modulus automatic hobbing machine further comprises a ring piece feeding device which is arranged on the lathe bed and is positioned in front of the double-linkage clamping device; the ring piece feeding device comprises a vibrating disc erected on the lathe bed, a straight vibrating track arranged at the outlet end of the vibrating disc and a feeding mechanism arranged at the outlet end of the straight vibrating track; the feeding mechanism realizes continuous feeding of the ring piece to the double-linkage clamping device through continuous feeding of the vibrating disc.

Preferably, the feeding mechanism comprises a mounting frame horizontally and movably arranged on the lathe bed, a second XY adjustment platform vertically and movably arranged on the mounting frame, a feeding fixed frame arranged on the second XY adjustment platform, a stripping cantilever and a first cylinder sliding table which are arranged on the feeding fixed frame, and a feeding cantilever arranged on a piston rod of the first cylinder sliding table; the stripping cantilever is provided with a stripping notch, and the center line of the stripping notch is superposed with the center line of the clamping and rotating mechanism; the feeding cantilever is provided with a bearing groove, a material guide plate is arranged on the feeding fixed frame and above the bearing groove, the material guide plate is provided with a material guide through hole corresponding to the bearing groove, and the material guide through hole is positioned at the outlet end of the direct vibration track; through the structural design of the feeding mechanism, the smooth and automatic feeding and discharging operation of the ring workpiece is realized.

Preferably, a blanking guide mechanism is further arranged on the ring piece feeding device, and the blanking guide mechanism comprises a second cylinder sliding table arranged on the feeding fixed frame and below the first cylinder sliding table, a blanking guide fixed plate arranged on a piston rod of the second cylinder sliding table, a blanking guide piece arranged on the blanking guide fixed plate, and a collecting basket arranged on the lathe bed; the feeding end of the blanking material guide piece is arranged below the double-linkage clamping device, and the outlet end of the blanking material guide piece is arranged above the collecting basket; by additionally arranging the blanking guide mechanism, the machined parts after the gear hobbing are orderly output or collected.

Preferably, the cover casing is provided with an acrylic plate door body, a control touch screen and a three-color lamp; the acrylic plate door body is pivoted on the housing, the touch screen is arranged at the front end of the housing, and the three-color lamp is arranged at the upper end of the housing.

The beneficial effects of the utility model are that, the gear hobbing machine of comparatively prior art has following advantage:

1. the double-linkage clamping device is adopted, wherein the clamping rotating mechanism and the abutting rotating mechanism are arranged correspondingly and respectively slide along the two first guide rails, a workpiece is clamped and abutted between the clamping rotating mechanism and the abutting rotating mechanism, two ends of the workpiece can be driven to rotate synchronously, and the hobbing device performs hobbing on the rotating workpiece; by adopting the double-linkage clamping mode of the double-linkage clamping device, the defects of certain resistance and behavior tolerance jumping in the process of clamping and machining a workpiece by adopting a single-initiative rotating working head and a follow-up tailstock top can be avoided, and the aims of improving the precision of small-modulus tooth profile machining, reducing the abrasion of a hobbing cutter and prolonging the service life of the hobbing cutter are fulfilled.

2. The adoption is add on the hobbing device pendulum angle feed mechanism, including locating graduated disk rotary worktable on the third lead screw slip table module, locate installation base on this graduated disk rotary worktable's the gyration dish and locate the fourth lead screw slip table module on this installation base, just graduated disk rotary worktable's gyration dish is vertical setting, makes hobbing mechanism realizes the axial hobbing of feeding of Y, realizes the profile of tooth requirement that the hobbing mechanism can process the multiple structure requirement on the machined part, expands the application scope of this automatic hobbing machine processing of little modulus, realizes the diversification of this automatic hobbing machine function of little modulus.

3. The feeding mechanism is additionally arranged, wherein the center line of the material removing notch is superposed with the center line of the clamping and rotating mechanism; the feeding cantilever is provided with a bearing groove, a material guide plate is arranged on the feeding fixed frame and above the bearing groove, the material guide plate is provided with a material guide through hole corresponding to the bearing groove, and the material guide through hole is positioned at the outlet end of the direct vibration track; through the structural design, smooth and automatic feeding and material supporting operation of the ring workpiece is realized, so that the small-modulus automatic gear hobbing machine is suitable for automatic gear hobbing of shaft materials and full-automatic gear hobbing of rings.

Drawings

Fig. 1 is a schematic perspective view of a small module automatic gear hobbing machine of the utility model;

FIG. 2 is a schematic structural view showing the small module automatic gear hobbing machine of the utility model in a non-housing state;

fig. 3 is a schematic structural view of a double-linkage clamping device of the small-modulus automatic gear hobbing machine of the utility model;

fig. 4 is a schematic structural view of a clamping and rotating mechanism of the small-modulus automatic gear hobbing machine of the utility model;

fig. 5 is a schematic structural view of a pressing rotating mechanism of the small module automatic gear hobbing machine of the utility model;

fig. 6 is a schematic structural view of a locking assembly of the small module automatic gear hobbing machine of the utility model;

fig. 7 is a schematic structural view of a pressing rotating assembly of the small module automatic gear hobbing machine of the utility model;

FIG. 8 is a schematic structural view of a deburring mechanism of the small module automatic gear hobbing machine of the utility model;

fig. 9 is a schematic structural view of a hobbing device of the small-module automatic hobbing machine of the utility model;

fig. 10 is a schematic structural view of a hobbing mechanism of the small-module automatic hobbing machine of the utility model;

FIG. 11 is an enlarged partial view of FIG. 10 labeled A;

fig. 12 is a schematic structural view of a ring piece feeding device of the small-modulus automatic gear hobbing machine of the utility model;

fig. 13 is a schematic view of a structure of a feeding mechanism of the small module automatic gear hobbing machine of the utility model;

FIG. 14 is an enlarged partial view of FIG. 13 at B;

fig. 15 is a schematic structural view of a blanking and material guiding mechanism of the small module automatic gear hobbing machine of the utility model;

description of reference numerals: 10-lathe bed, 11-cover shell, 111-acrylic plate door body, 112-control touch screen, 113-tricolor lamp, 12-oil mist collector, 20-hobbing device, 21-third screw rod sliding table module, 22-swing angle feeding mechanism, 221-index plate rotary worktable, 222-mounting base, 223-fourth screw rod sliding table module, 23-hobbing processing mechanism, 231-hobbing fixing plate, 232-hobbing fixing seat, 233-hobbing rotating shaft, 234-third motor, 235-third chuck, 240-hobbing processing assembly, 241-third jaw, 242-hobbing fixing rod, 243-hobbing cutter, 244-hobbing cutter tip mounting seat, 245-hobbing cutter tip, 30-double-linkage clamping device, 31-Z axial base, and the like, 32-a first guide rail, 33-a clamping rotating mechanism, 331-a first screw rod sliding table module, 332-a clamping rotating assembly, 333-a clamping fixed seat, 334-a clamping rotating shaft, 335-a first cylinder, 336-a first chuck, 337-a first clamping jaw, 34-a tight rotating mechanism, 341-a second screw rod sliding table module, 350-a loose prevention assembly, 351-a second guide rail, 352-a first cylinder, 353-a telescopic shaft, 354-a connecting block, 360-a tight rotating assembly, 361-a tight fixed seat, 362-a tight rotating shaft, 363-a second motor, 364-a second chuck, 365-a tip, 37-a deburring mechanism, 371-a first XY adjusting platform, 372-a deburring mounting plate, 373-a second cylinder, 374-a movable plate, 373-a deburring plate, 375-cutter fixing plate, 376-deburring cutter, 40-cooling liquid circulating device, 50-ring feeding device, 51-vibrating disk, 52-direct vibration track, 53-feeding mechanism, 531-mounting rack, 532-second XY adjusting platform, 533-feeding fixing frame, 534-stripping cantilever, 5341-stripping notch, 535-first cylinder sliding table, 536-feeding cantilever, 5361-receiving groove, 537-guide plate, 5371-guide through hole, 54-blanking guide mechanism, 541-second cylinder sliding table, 542-blanking guide fixing plate, 543-blanking guide piece and 544-collecting basket.

Detailed Description

In order to make the object, technical solution and technical effect of the present invention more clearly understood, the present invention will be further described with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1, the small module automatic gear hobbing machine comprises a machine body 10 with a leveling pin at the bottom end, a cover 11 arranged above the machine body, and an oil mist collector 12 arranged at the upper end of the cover and communicated with the inner cavity of the cover. The cover 11 is provided with an acrylic plate door body 111, a control touch screen 112 and a three-color lamp 113; specifically, the acrylic board door 111 is pivoted to the housing 11, the control touch screen 112 is disposed at the front end of the housing 11, and the tri-color light 113 is disposed at the upper end of the housing 11. In the production practice of machining, need cool down to the machining cutter and handle, what adopt usually is coolant liquid such as soapy water, emulsion oil, easily produces oil mist etc. at the in-process that sprays, through addding oil mist collector 12 can absorb the collection to oil mist etc. reduces the pollution of the oil mist that produces to the surrounding environment to play the effect of purifying the workshop. In order to clearly observe the production condition in the housing, an anti-exposure lamp can be additionally arranged in the inner cavity of the housing.

Referring to fig. 2, a hobbing device 20, a double-linkage clamping device 30 arranged at the front end of the hobbing device and a cooling liquid circulating device 40 are arranged on the lathe bed 10; specifically, the housing 11 encloses the hobbing device 20 and the double-linkage clamping device 30 at the upper end of the machine tool body 10, and the housing 11 isolates noise and oil mist in the hobbing process and enhances the safety performance in the hobbing process. It should be noted that the coolant circulating device 40 generally includes a storage tank containing a pump body, a spraying pipeline and a spraying head, a recycling tank body and a filter, and the coolant circulating device automatically performs a spraying and cooling operation on the machining tool, and is not described herein again because the coolant circulating device is not a main technical point of the automatic gear hobbing machine.

Referring to fig. 3, the double-linkage clamping device 30 includes a Z-axis base 31 disposed on the bed 10, two first guide rails 32 disposed on the Z-axis base in parallel, and a clamping rotating mechanism 33 and a tightening rotating mechanism 34 sliding along the two first guide rails, respectively; the clamping rotating mechanism 33 and the abutting rotating mechanism 34 are arranged correspondingly, so as to clamp and abut the workpiece between the clamping rotating mechanism and the abutting rotating mechanism and drive two ends of the workpiece to rotate synchronously, and under the spraying effect of the cooling liquid circulating device 40 on the workpiece, the hobbing device 20 performs hobbing on the workpiece. According to the small-modulus automatic hobbing machine, the double-linkage clamping mode of the double-linkage clamping device 30 is adopted, the defects that certain resistance and behavior tolerance jumping occur in the process of clamping and machining a workpiece by adopting a single-initiative rotating working head and a follow-up tailstock top can be avoided, and the purposes of improving the precision of small-modulus tooth profile machining, reducing the abrasion of a hobbing cutter and prolonging the service life of the hobbing cutter are achieved.

Referring to fig. 4, the clamping and rotating mechanism 33 includes a first lead screw sliding table module 331 engaged with the two first guide rails 32 and a clamping and rotating assembly 332 disposed on the first lead screw sliding table module; in this embodiment, the clamping rotating assembly 332 can be precisely positioned through the first screw rod sliding table module 331, so as to meet the processing requirements of different workpieces, and also facilitate the automatic control of the clamping rotating mechanism 33 through the electric connection with the control touch screen 112. Specifically, the clamping rotating assembly 332 comprises a clamping fixing seat 333 arranged on the first screw rod sliding table module 331, a clamping rotating shaft 334 rotatably arranged on the clamping fixing seat, and a first motor 335 and a first chuck 336 respectively arranged at two ends of the clamping rotating shaft; preferably, the first chuck 336 is provided with a first claw 337 therein; aiming at the hobbing of the shaft parts, a workpiece is automatically installed in the first chuck 336 through an external automatic feeding structure and is stably installed on the clamping rotating assembly 332 through the fixed clamping of the first clamping jaw 337, wherein the clamping rotating shaft 334 penetrates through the clamping fixing seat 333, and the first motor 335 drives the first chuck 336 to rotate so as to drive the workpiece to perform synchronous rotating motion.

Referring to fig. 5, the tightening rotating mechanism 34 includes a second lead screw sliding table module 341 engaged with the two first guide rails 32, a locking assembly 350 disposed on the second lead screw sliding table module, and a tightening rotating assembly 360 disposed on the locking assembly. Specifically, the tightening rotating assembly 360 is precisely positioned through the second lead screw sliding table module 341, so as to meet the processing requirements of different workpieces, and the tightening action on the other end of the workpiece is structurally matched, and the automatic control of the tightening rotating mechanism 34 is realized through the electrical connection with the control touch screen 112; the anti-loosening assembly 350 is additionally arranged, so that the tight rotating assembly 360 in the machining process of the hobbing of the machined part is loosened due to factors such as mechanical vibration, and the hobbing precision of the machined part is influenced.

Referring to fig. 5 and 6, the anti-loosening assembly 350 includes a second guide rail 351 and a first air cylinder 352 disposed on the second lead screw sliding table module 341, a telescopic shaft 353 disposed on a piston rod of the first air cylinder, and a connecting block 354 disposed on the telescopic shaft. Specifically, the abutting rotating assembly 360 is fixedly arranged on the connecting block 354, and the first cylinder 352 drives the telescopic shaft 353 to slide along the second guide rail 351, so that the connecting block 354 is in a continuous elastic compression state of the first cylinder 352, a phenomenon that a workpiece is loosened in a gear hobbing process is prevented, and the gear hobbing precision of the workpiece is improved.

Referring to fig. 5 and 7, the tightening rotating assembly 34 includes a tightening fixing base 361 disposed on the anti-loosening assembly 33, a tightening rotating shaft 362 rotatably disposed on the tightening fixing base, and a second motor 363 and a second chuck 364 disposed at two ends of the tightening rotating shaft. Preferably, a tip 365 is provided in the second chuck 364; on the basis that the clamping rotating mechanism 33 clamps the workpiece, the workpiece is tightly pressed by the top point 365, so that the form and position tolerance of the workpiece in the gear hobbing process is improved, and the gear hobbing precision is ensured; the abutting rotating shaft 362 penetrates through the abutting fixing seat 361, and the second motor 363 drives the second chuck 364 to rotate, so that the workpiece is fixed and abutted between the abutting rotating shaft and the abutting fixing seat, and both ends of the workpiece are driven to synchronously rotate, the defects of certain resistance and behavior tolerance jumping in the process of clamping the workpiece by adopting a single-initiative rotating working head and a follow-up tailstock top can be structurally avoided, and the purpose of improving the precision of small-modulus tooth profile machining is achieved.

Referring to fig. 8, in the mechanical processing process, the generation of burrs is unavoidable, the burrs have a great influence on the processing precision of the processed product and the service life of the processing tool, and in order to avoid the burrs generated in the gear hobbing process, in this embodiment, the clamping rotating assembly 332 and the abutting rotating assembly 360 are respectively provided with a deburring mechanism 37 corresponding thereto. Specifically, the deburring mechanism 37 includes a first XY adjustment platform 371, a deburring mounting plate 372 arranged on the first XY adjustment platform, a second cylinder 373 arranged on the deburring mounting plate, a deburring movable plate 374 arranged on a piston rod of the second cylinder, a cutter fixing plate 375 arranged on the deburring movable plate, and a deburring cutter 376 movably arranged on the cutter fixing plate. In a specific working process, the first XY adjusting platform 371 and the second cylinder 373 are respectively electrically connected with the control touch screen 112 to realize automatic control of the movement of the deburring mechanism 37, the first XY adjusting platform 371 enables the deburring cutter 376 to be in a position meeting the technological requirements, and the second cylinder 373 drives the deburring cutter 376 to feed for removing burrs generated in the gear hobbing process, so that the influence of the burrs generated in the gear hobbing process on the gear hobbing processing quality is avoided, and the gear hobbing processing quality is improved.

Referring to fig. 9, the hobbing device 20 includes a third lead screw sliding table module 21 disposed on the bed 10 and arranged in the X-axis direction, a swing angle feeding mechanism 22 disposed on the third lead screw sliding table module, and a hobbing mechanism 23 disposed on the swing angle feeding mechanism. In this embodiment, the third screw sliding table module 21, the swing angle feeding mechanism 22 and the hobbing mechanism 23 are all electrically connected to the control touch screen 112, so as to realize automatic control of the hobbing device 20, wherein the swing angle feeding mechanism 22 is used for realizing the processing of tooth profiles with various structural requirements, such as straight teeth, helical teeth and the like, so as to expand the processing range of the automatic hobbing machine and realize the diversification of functions thereof.

Further, the swing angle feeding mechanism 22 includes an index plate rotary table 221 disposed on the third screw rod sliding table module 21, an installation base 222 disposed on a rotary plate of the index plate rotary table, and a fourth screw rod sliding table module 223 disposed on the installation base. In this embodiment, the rotary disk of the index disk rotary table 221 is vertically arranged, the hobbing processing mechanism 23 is disposed on the fourth screw rod sliding table module 223, wherein the index disk rotary table 221 and the fourth screw rod sliding table module 223 are electrically connected to the control touch screen 112 respectively, so that the hobbing processing mechanism 23 automatically realizes the axial feeding hobbing processing of the Y axis, and the hobbing processing required by multiple structures is automatically realized from the structure.

Referring to fig. 10, the hobbing mechanism 23 includes a hobbing fixing plate 231 disposed on the fourth screw sliding table module 223, a hobbing fixing seat 232 disposed on the hobbing fixing plate, a hobbing rotating shaft 233 rotatably disposed on the hobbing fixing seat, a third motor 234 and a third chuck 235 disposed at two ends of the hobbing rotating shaft, and a hobbing assembly 340 connected to the third chuck 235. The third motor 234 is electrically connected to the control touch screen 112, and the third motor 234 drives the hobbing rotation shaft 233 to rotate, so as to drive the hobbing processing assembly 240 to rotate, which is clamped by the third chuck 235, and the fourth screw rod sliding table module 223 is driven to perform the processing and feeding movement of the hobbing processing assembly 240.

Referring to fig. 11, the hobbing processing assembly 240 includes a third jaw 241 provided on the third chuck 235, a hob fixing rod 242 provided on the third jaw, a hob 243 provided on the hob fixing rod, a hob center mounting seat 244 provided on the hob fixing plate 231, and a hob center 245 rotatably provided on the hob center mounting seat; the hob 243 is fixed on the hob fixing rod 242 through a fastener, the hob apex 245 abuts against the hob fixing rod 242, the third motor 234 drives the third chuck 235 to rotate so as to drive the hob fixing rod 242 to rotate, and therefore the hob 243 rotates to perform hobbing operation on a workpiece.

Referring to fig. 12, for the feeding of the shaft hobbing, the feeding can be realized by an automatic feeding device such as an external manipulator, and for the feeding of the ring gear products, the feeding of a common manipulator cannot realize the flow-type full-automatic production such as the feeding of the ring gear products and the hobbing, so in this embodiment, the feeding can be realized by adding a ring piece feeding device 50 on the small-modulus automatic hobbing machine; preferably, the ring feeding device is arranged on the machine body 10 and in front of the double-linkage clamping device 30, and includes a vibrating disk 51 erected on the machine body 10, a straight vibrating track 52 arranged at an outlet end of the vibrating disk, and a feeding mechanism 53 arranged at an outlet end of the straight vibrating track; the feeding mechanism 53 continuously feeds the annular workpiece to the double-linkage clamping device 30 for clamping and hobbing through the vibration disc 51 and the straight vibration rail 52 to the feeding mechanism 53.

Referring to fig. 13 and 14, the feeding mechanism 53 includes a mounting frame 531 horizontally and movably disposed on the bed 10, a second XY adjustment platform 532 vertically and movably disposed on the mounting frame, a feeding fixing frame 533 disposed on the second XY adjustment platform, a stripping boom 534 and a first cylinder sliding table 535 disposed on the feeding fixing frame, and a feeding boom 536 disposed on a piston rod of the first cylinder sliding table; the stripping cantilever 534 is provided with a stripping notch 5341, and the center line of the stripping notch coincides with the center line of the clamping and rotating mechanism 33; the feeding cantilever 536 is provided with a receiving groove 5361, the feeding fixing frame 523 is provided with a material guiding plate 537 above the receiving groove, the material guiding plate is provided with a material guiding through hole 5371 corresponding to the receiving groove 5361, and the material guiding through hole is located at the outlet end of the straight vibration rail 52. Specifically, the second XY adjustment platform 532 and the first cylinder sliding table 535 are electrically connected to the control touch screen 112, so that the feeding mechanism 53 automatically adjusts the positions of different workpieces; the annular workpieces are continuously fed one by one through the vibration disk 51 and the straight vibration track 52 and enter the receiving groove 5361 through the material guide through hole 5371, the first cylinder sliding table 535 drives the feeding cantilever 536 to move to a position between the clamping rotating mechanism 33 and the abutting rotating mechanism 34, the clamping is carried out from two ends of the annular workpieces through the clamping rotating mechanism and the abutting rotating mechanism, and the feeding cantilever 536 is restored to the original position under the action of the first cylinder sliding table 535 so as to receive the next annular workpiece; after the gear hobbing process is completed, the clamping rotating mechanism 33 and the abutting rotating mechanism 34 are restored to the original positions, and the material-removing cantilever 534 removes the ring-shaped processed workpiece after the gear hobbing process from the clamping rotating mechanism 33. It should be noted here that, for the machining of the annular machined workpiece, the center 365 in the tightening rotating mechanism 34 needs to be replaced by a tightening cylinder so as to perform a tightening action on a partial end face of the annular machined workpiece. In this embodiment, through the structural design of the feeding mechanism 53, smooth and automatic feeding and discharging operations of the ring workpiece are realized.

Referring to fig. 15, in order to perform blanking of an annular workpiece, in the present embodiment, a blanking guide mechanism 54 is additionally provided to the ring feeding device 50 to perform blanking of the annular workpiece after gear hobbing. In this embodiment, the blanking guiding mechanism 54 includes a second cylinder sliding table 541 disposed on the feeding fixing frame 533 and disposed below the first cylinder sliding table 535, a blanking guiding fixing plate 542 disposed on the piston rod of the second cylinder sliding table, a blanking guiding member 543 disposed on the blanking guiding fixing plate, and a collecting basket 544 disposed on the bed. Specifically, the feeding end of the blanking material guiding piece 543 is arranged below the double-linkage clamping device 30, the outlet end of the blanking material guiding piece 543 is arranged above the collecting basket 544, and the blanking material guiding piece 543 has a tubular structure; after the gear hobbing process is finished, the feeding guide piece 543 moves to the position below the stripping cantilever 534 through the telescopic action of the second cylinder sliding table 541, and the annular machined piece after the gear hobbing process is slid to the collecting basket 544 for collection. It should be noted that, for blanking of the shaft workpieces, the blanking guide 543 is in a funnel shape, and its outlet end conveys the machined shaft workpieces through the conveying belt.

The utility model discloses a theory of operation does: for a shaft workpiece, the shaft workpiece is transplanted between the clamping rotating mechanism 33 and the tightening rotating mechanism 34 through an external manipulator, the clamping rotating assembly 332 is positioned through the first lead screw sliding table module 331, one end of the shaft workpiece is automatically installed in the first chuck 336, the workpiece is stably installed on the clamping rotating assembly 332 through the fixed clamping of the first clamping jaw 337, the tightening rotating assembly 360 is positioned through the second lead screw sliding table module 341, and the other end of the shaft workpiece is tightly pressed through the tip 365; the first motor 335 drives the first chuck 336 to rotate and the second motor 363 drives the second chuck 364 to synchronously rotate, so that the two ends of the shaft workpiece are synchronously rotated; according to the processing requirements, the swing angle feeding mechanism 22 is positioned through the third lead screw sliding table module 21, the swing angle feeding mechanism 22 adjusts the angle of the hobbing mechanism 23 according to different tooth profile processing requirements, then the tooth profile processing is performed on the shaft workpiece through the action of the hobbing mechanism 23, and meanwhile, the deburring mechanism 37 removes generated burrs; after the gear hobbing process is completed, the clamping rotating mechanism 33 and the abutting rotating mechanism 34 are restored to the original positions, and the shaft workpieces after the gear hobbing process are sequentially conveyed out of the housing 11 through the blanking guide 543 and the conveying belt.

Aiming at annular workpieces, considering the problem of low automation degree of the existing feeding, the embodiment is realized by additionally arranging the ring feeding device 50, the annular workpieces are continuously fed one by one through the vibration disk 51 and the straight vibration rail 52 and enter the receiving groove 5361 through the material guide through hole 5371, the first cylinder sliding table 535 drives the feeding cantilever 536 to move to between the clamping rotating mechanism 33 and the abutting rotating mechanism 34, the clamping is carried out from the two ends of the annular workpieces through the two mechanisms, and the feeding cantilever 536 is restored to the original position under the action of the first cylinder sliding table 535 so as to receive the next annular workpiece; after the gear hobbing of the annular workpiece is finished, the clamping rotating mechanism 33 and the abutting rotating mechanism 34 are restored to the original positions, and the material-removing cantilever 534 removes the annular workpiece after the gear hobbing from the clamping rotating mechanism 33. It should be noted that the gear hobbing process is basically similar to that of the shaft-like workpieces, and the description is not expanded.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims

1. A small-modulus automatic gear hobbing machine comprises a machine body, a housing and an oil mist collector, wherein the bottom end of the machine body is provided with a leveling pin, the housing is arranged above the machine body, and the oil mist collector is arranged at the upper end of the housing and communicated with an inner cavity of the housing; the machine tool body is provided with a hobbing device, a double-linkage clamping device and a cooling liquid circulating device, wherein the double-linkage clamping device and the cooling liquid circulating device are arranged at the front end of the hobbing device; the method is characterized in that: the double-linkage clamping device comprises a Z-axis base arranged on the lathe bed, two first guide rails arranged on the Z-axis base in parallel, and a clamping rotating mechanism and a propping rotating mechanism which respectively slide along the two first guide rails; the clamping rotating mechanism and the abutting rotating mechanism are arranged correspondingly, a workpiece is clamped and abutted between the clamping rotating mechanism and the abutting rotating mechanism, two ends of the workpiece are driven to rotate synchronously, and the hobbing device performs hobbing on the workpiece under the spraying effect of the cooling liquid circulating device on the workpiece.

2. The small module automatic gear hobbing machine of claim 1, characterized by: the clamping and rotating mechanism comprises a first lead screw sliding table module matched with the two first guide rails and a clamping and rotating assembly arranged on the first lead screw sliding table module; the clamping rotating assembly comprises a clamping fixing seat arranged on the first lead screw sliding table module, a clamping rotating shaft rotatably arranged on the clamping fixing seat, and a first motor and a first chuck which are respectively arranged at two ends of the clamping rotating shaft; be equipped with first jack catch in the first chuck, the machined part is installed in the first chuck and pass through the fixed centre gripping of first jack catch, the centre gripping axis of rotation passes the centre gripping fixing base, first motor drive thereby first chuck rotates and drives the machined part and be synchronous rotary motion.

3. The small module automatic gear hobbing machine of claim 2, characterized by: the abutting rotating mechanism comprises a second lead screw sliding table module matched with the two first guide rails, a locking assembly arranged on the second lead screw sliding table module and an abutting rotating assembly arranged on the locking assembly;

the anti-loosening assembly comprises a second guide rail and a first air cylinder which are arranged on the second lead screw sliding table module, a telescopic shaft arranged on a piston rod of the first air cylinder and a connecting block arranged on the telescopic shaft; the abutting rotating assembly is fixedly arranged on the connecting block, the first air cylinder drives the telescopic shaft to slide along the second guide rail, and the phenomenon that a machined part is loosened in the gear hobbing machining process is avoided.

4. The small module automatic gear hobbing machine of claim 3, characterized by: the tightening rotating assembly comprises a tightening fixing seat arranged on the anti-loosening assembly, a tightening rotating shaft rotatably arranged on the tightening fixing seat, and a second motor and a second chuck which are arranged at two ends of the tightening rotating shaft; the second chuck is internally provided with a tip, a workpiece is clamped by the clamping and rotating mechanism and is tightly pressed by the tip, the abutting rotating shaft penetrates through the abutting fixing seat, the second motor drives the second chuck to rotate, and therefore the workpiece is fixed and tightly abutted between the second chuck and the workpiece, and the two ends of the workpiece are driven to synchronously rotate.

5. The small module automatic gear hobbing machine of claim 3, characterized by: the clamping rotating assembly and the abutting rotating assembly are respectively provided with a deburring mechanism which is arranged correspondingly; the deburring mechanism comprises a first XY adjusting platform, a deburring mounting plate arranged on the first XY adjusting platform, a second air cylinder arranged on the deburring mounting plate, a deburring movable plate arranged on a piston rod of the second air cylinder, a cutter fixing plate arranged on the deburring movable plate and a deburring cutter movably arranged on the cutter fixing plate.

6. The small module automatic gear hobbing machine of claim 1, characterized by: the hobbing device comprises a third screw rod sliding table module, a swing angle feeding mechanism and a hobbing processing mechanism, wherein the third screw rod sliding table module is arranged on the lathe bed in the X-axis direction;

the swing angle feeding mechanism comprises an index plate rotary worktable arranged on the third screw rod sliding table module, an installation base arranged on a rotary plate of the index plate rotary worktable and a fourth screw rod sliding table module arranged on the installation base; the rotary plate of the index plate rotary working table is vertically arranged, so that the hobbing mechanism realizes Y-axial feeding hobbing.

7. The small module automatic gear hobbing machine of claim 6, characterized by: the hobbing processing mechanism comprises a hobbing fixing plate arranged on the fourth screw rod sliding table module, a hobbing fixing seat arranged on the hobbing fixing plate, a hobbing rotating shaft rotatably arranged on the hobbing fixing seat, a third motor and a third chuck arranged at two ends of the hobbing rotating shaft and a hobbing processing assembly connected with the third chuck;

the hobbing machining assembly comprises a third clamping jaw arranged on the third clamping disc, a hobbing cutter fixing rod arranged on the third clamping jaw, a hobbing cutter arranged on the hobbing cutter fixing rod, a hobbing cutter tip mounting seat arranged on the hobbing cutter fixing plate and a hobbing cutter tip rotatably arranged on the hobbing cutter tip mounting seat; the hob is fixed on the hob fixing rod through a fastener, the top of the hob abuts against the hob fixing rod, and the third motor drives the third chuck to rotate so as to drive the hob fixing rod to rotate, so that the hob performs gear hobbing operation on a machined part.

8. The small module automatic gear hobbing machine of claim 1, characterized by: the ring piece feeding device is arranged on the lathe bed and positioned in front of the double-linkage clamping device; the ring piece feeding device comprises a vibrating disc erected on the lathe bed, a straight vibrating track arranged at the outlet end of the vibrating disc and a feeding mechanism arranged at the outlet end of the straight vibrating track;

the feeding mechanism comprises a mounting frame which is horizontally and movably arranged on the lathe bed, a second XY adjusting platform which is vertically and movably arranged on the mounting frame, a feeding fixed frame which is arranged on the second XY adjusting platform, a stripping cantilever and a first cylinder sliding table which are arranged on the feeding fixed frame, and a feeding cantilever which is arranged on a piston rod of the first cylinder sliding table; the stripping cantilever is provided with a stripping notch, and the center line of the stripping notch is superposed with the center line of the clamping and rotating mechanism; the feeding cantilever is provided with a bearing groove, a material guide plate is arranged on the feeding fixed frame and above the bearing groove, the material guide plate is provided with a material guide through hole corresponding to the bearing groove, and the material guide through hole is positioned at the outlet end of the direct vibration track.

9. The small module automatic gear hobbing machine of claim 8, characterized by: the ring piece feeding device is also provided with a blanking guide mechanism, and the blanking guide mechanism comprises a second cylinder sliding table, a blanking guide fixing plate, a blanking guide piece and a collecting basket, wherein the second cylinder sliding table is arranged on the feeding fixing frame and is arranged below the first cylinder sliding table; the feeding end of the discharging material guide piece is arranged below the double-linkage clamping device, and the outlet end of the discharging material guide piece is arranged above the collecting basket.

10. The small module automatic gear hobbing machine of claim 1, characterized by: the cover is provided with an acrylic plate door body, a control touch screen and a three-color lamp; the acrylic plate door body is pivoted on the housing, the touch screen is arranged at the front end of the housing, and the three-color lamp is arranged at the upper end of the housing.