CN204771784U - Install worktable mechenism on gear -hobbing machine lathe bed - Google Patents

Install worktable mechenism on gear -hobbing machine lathe bed Download PDF

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Publication number
CN204771784U
CN204771784U CN201520383228.3U CN201520383228U CN204771784U CN 204771784 U CN204771784 U CN 204771784U CN 201520383228 U CN201520383228 U CN 201520383228U CN 204771784 U CN204771784 U CN 204771784U
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CN
China
Prior art keywords
gear
ball
little axle
main shaft
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201520383228.3U
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Chinese (zh)
Inventor
徐长春
陶新根
闵中华
周伟强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG RICHUANG ELECTROMECHANICAL SCIENCE & TECHNOLOGY Co Ltd
Original Assignee
ZHEJIANG RICHUANG ELECTROMECHANICAL SCIENCE & TECHNOLOGY Co Ltd
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Filing date
Publication date
Application filed by ZHEJIANG RICHUANG ELECTROMECHANICAL SCIENCE & TECHNOLOGY Co Ltd filed Critical ZHEJIANG RICHUANG ELECTROMECHANICAL SCIENCE & TECHNOLOGY Co Ltd
Priority to CN201520383228.3U priority Critical patent/CN204771784U/en
Application granted granted Critical
Publication of CN204771784U publication Critical patent/CN204771784U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an install worktable mechenism on gear -hobbing machine lathe bed, including workstation, main shaft, install knife rest axle, linear guide, nut support, a ball screw pair in the main shaft. The level is made to the reciprocating motion that makes a round trip to nut support and ball screw pair cooperation drive workstation on linear guide. The workstation is the T font, and T font workstation includes portion of left wing, right flank portion and vertical portion, run through the passageway that reciprocates of workstation about vertical portion sets up, the main shaft activity is inserted and is established in reciprocating the passageway, install the lift drive of driving spindle lift and the rotation driving device of the drive knife rest rotation of axes on the lateral wall of vertical portion. According to above -mentioned technical scheme, because the workstation is the T font, above -mentioned lift drive and rotation driving device install on the lateral wall of the vertical portion of T font workstation and are located the below of portion of left wing and right flank portion, so, make whole worktable mechenism structure under the complete prerequisite of function become compact and simple.

Description

A kind of table mechanism be arranged on gear-hobbing machine lathe bed
Technical field:
The utility model relates to gear-hobbing machine equipment, in particular to a kind of table mechanism be arranged on gear-hobbing machine lathe bed.
Background technology:
Chain digital control gear hobbing machine, main shaft is installed on the table, and workbench moves back and forth back and forth on bed piece horizontal plane, completes machine Z-axis feeding; Knife rest is arranged on main shaft, and drive unit drives saddle rotation motion; Main shaft moves both vertically relative to workbench, i.e. X-axis feeding, to complete gear hobbing process.
Chain digital control gear hobbing machine of the prior art, main shaft and workbench adopt Split type structure, not only not easily make both coordinations, and the machining accuracy of workpiece is also difficult to control.Even if main shaft and workbench adopt integrative-structure, also make Working table structure too fat to move, action inconvenience.
Utility model content:
The technical problem that the utility model solves: chain digital control gear hobbing machine of the prior art, adopts main shaft and the workbench of integral structure, makes Working table structure too fat to move, action inconvenience.
The utility model provides following technical scheme:
Be arranged on the table mechanism on gear-hobbing machine lathe bed, comprise workbench, main shaft, knife rest, line slideway, nut bracket, the first ball wire bar pair;
Described first ball wire bar pair and line slideway are arranged on gear-hobbing machine lathe bed, and nut bracket coordinates with the first ball wire bar pair and drives workbench on line slideway, to make level to moving back and forth back and forth;
Described main shaft is installed on the table, main shaft hollow, and described knife rest is arranged on tool axis, and described tool axis is arranged in main shaft;
Described workbench is in T shape, and T-shaped workbench comprises left wing, right wing part and vertical portion; Described nut bracket is arranged in left wing, and described left wing and right wing part make level to moving back and forth back and forth on line slideway; Described vertical portion offer run through workbench up and down move up and down passage, described spindle mobility is plugged in and moves up and down in passage; The lateral wall of described vertical portion is provided with lifting drive, and lifting drive comprises the second ball wire bar pair, and the second ball wire bar pair drive shaft moves up and down moving up and down in passage; The lateral wall of described vertical portion is offered installation through hole, the sidewall of described main shaft is offered and slides through hole, the lateral wall of vertical portion is provided with rotating driving device, rotating driving device comprises bevel gear mechanism, and bevel gear mechanism is through installing through hole and sliding the tool axis rotation in through hole drive shaft.
By technique scheme, the first ball wire bar pair is by driving workbench horizontal linear on line slideway to run with coordinating of nut bracket; The second ball wire bar pair drive shaft in lifting drive moves up and down moving up and down in passage of workbench; Rotating driving device by bevel gear mechanism by power transmission to tool axis, tool axis is rotated.Because workbench is in T shape, the sidewall that above-mentioned lifting drive and rotating driving device are arranged on T-shaped workbench vertical portion is positioned at the below of left wing and right wing part, so, whole table mechanism structure under function completely prerequisite is made to become compact and simple.
Describe in detail the one of above-mentioned lifting drive as the utility model, described lifting drive also comprises the first servomotor, the first shaft coupling, worm screw, worm gear, the first housing; The second nut that described second ball wire bar pair comprises the second ball screw, coordinates with the second ball screw; Described first housing is arranged on the sidewall of T-shaped workbench vertical portion, and the first shaft coupling, worm screw, worm gear are installed in the first housing, and the first servomotor is arranged on the first housing; Described second nut is arranged on the bottom of main shaft, and the second ball screw is vertically arranged, and worm gear is arranged on the second ball screw, and worm and wheel engages, and worm screw is connected with the motor shaft of the first servomotor by the first shaft coupling.Wherein, the bottom of described main shaft is provided with base plate, and described second nut is arranged on base plate.
Describe in detail the one of above-mentioned rotating driving device as the utility model, described rotating driving device also comprises the second servomotor, the second shaft coupling, gear shaft, the second housing, contiguous block, fixed cover; Described bevel gear mechanism comprises master bevel gear and secondary bevel gear; Described second housing is arranged on the sidewall of T-shaped workbench vertical portion, and the second shaft coupling, gear shaft are positioned at the second housing, and the second servomotor is installed on the second housing; The motor shaft of the second servomotor is connected with gear shaft by the second shaft coupling, master bevel gear is arranged on gear shaft, secondary bevel gear is arranged on tool axis, master bevel gear engages with secondary bevel gear, the upper sheathed bearing of secondary bevel gear, described fixed cover is set on bearing, and fixed cover is fixedly connected with contiguous block, and contiguous block is fixedly connected with the second housing.
One as the utility model cutter setting frame axle illustrates, the top of described main shaft is provided with top board, and the top of described tool axis is articulated on top board, and secondary bevel gear is installed in the bottom of described tool axis.
Improve as one of the present utility model, the utility model also comprises guiding mechanism, and described guiding mechanism comprises the first little axle and the second little axle, the first roller and the second roller, the first ball and the second ball; Particularly, the described sidewall moving up and down passage is fixed the first little axle and the second little axle, described first little axle and the second little axle horizontal cross give prominence to the sidewall moving up and down passage, and the first little axle and the second little axle are fixed in mode arranged side by side up and down and move up and down on the sidewall of passage; Sheathed first roller on described first little axle, sheathed second roller on described second little axle; The sidewall of described main shaft is offered about one straight trough moved towards, described first roller and the second roller are engaged in the straight trough of main shaft, the left and right sides of described first roller contacts with the left and right sides wall of straight trough, and the left and right sides of described second roller contacts with the left and right sides wall of straight trough; The top end face of described first little axle establishes the first ball, the top end face of described second little axle establishes the second ball, described first ball is arranged on the top end face of the first little axle in the mode embedding the first little axle, described second ball is arranged on the top end face of the second little axle in the mode embedding the second little axle, and described first ball all contacts with the bottom surface of straight trough with the second ball; Described first little axle and on the first roller and the first ball, described second little axle and on the second roller and the second ball can move up and down relative to straight trough when main shaft moves up and down relative to workbench.
By above-mentioned improvement, when main shaft does upper and lower displacement relative to workbench, namely main shaft workbench move up and down move up and down in passage time, first little axle and on parts (comprising the first roller and the first ball) and the second little axle and on parts (comprising the second roller and the second ball) can move up and down (certainly relative to straight trough, this is a kind of relative motion, and essence is straight trough along with main shaft moves up and down).Because the left and right sides of the first roller contacts with the left and right sides wall of straight trough, the left and right sides of the second roller contacts with the left and right sides wall of straight trough (external diameter being equivalent to the first roller and the second roller equals the left and right width of straight trough), so, can prevent main shaft from the microdisplacement deviation of left and right directions occurring when moving up and down; Because the first ball all contacts with the bottom surface of straight trough with the second ball, namely the first ball and the second ball are against on the bottom surface of straight trough, with the microdisplacement deviation preventing main shaft from fore-and-aft direction occurring when moving up and down.To sum up, when above-mentioned improvement can make main shaft move up and down relative to workbench, accomplish vertical not deflection, and then improve the machining accuracy of product.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of a kind of table mechanism be arranged on gear-hobbing machine lathe bed of the utility model;
Fig. 2 is the structural representation of rotating driving device 60 in Fig. 1;
Fig. 3 is the structural representation of lifting drive 50 in Fig. 1;
Fig. 4 is the combining structure schematic diagram of the first servomotor 52, first shaft coupling 53, worm screw 54 in lifting drive 50 described in the utility model;
Fig. 5 is the structural representation of guiding mechanism described in the utility model.
Symbol description in figure:
10, workbench; 11, left wing; 12, right wing part; 13, vertical portion; 130, through hole is slided;
20, main shaft; 200, straight trough; 21, base plate; 22, top board;
30, line slideway;
40, nut bracket;
50, lifting drive; 51, the second ball wire bar pair; 52, the first servomotor; 53, the first shaft coupling; 54, worm screw; 55, worm gear; 56, the first housing; 57, the second ball screw; 58, the second nut;
60, rotating driving device; 61, bevel gear mechanism; 62, the second servomotor; 63, the second shaft coupling; 64, gear shaft; 65, the second housing; 66, contiguous block; 67, fixed cover; 68, master bevel gear; 69, secondary bevel gear;
71, the first little axle; 72, the second little axle; 81, the first roller; 82, the second roller; 91, the first ball; 92, the second ball;
A, tool axis.
Detailed description of the invention
As Fig. 1, a kind of table mechanism be arranged on gear-hobbing machine lathe bed, comprises workbench 10, main shaft 20, knife rest, line slideway 30, nut bracket 40, first ball wire bar pair; Described first ball wire bar pair and line slideway are arranged on gear-hobbing machine lathe bed, and nut bracket coordinates with the first ball wire bar pair and drives workbench on line slideway, to make level to moving back and forth back and forth; Described main shaft is installed on the table, and main shaft hollow, described knife rest is arranged on tool axis a, and described tool axis is arranged in main shaft.
As Fig. 1, described workbench is in T shape, and T-shaped workbench comprises left wing 11, right wing part 12 and vertical portion 13; Described nut bracket is arranged in left wing, and described left wing and right wing part make level to moving back and forth back and forth on line slideway; Described vertical portion offer run through workbench up and down move up and down passage, described spindle mobility is plugged in and moves up and down in passage; The lateral wall of described vertical portion is provided with lifting drive 50, lifting drive comprises the second ball wire bar pair 51, second ball wire bar pair drive shaft moving up and down in passage and moves up and down; The lateral wall of described vertical portion is offered installation through hole, the sidewall of described main shaft is offered and slides through hole 130, the lateral wall of vertical portion is provided with rotating driving device 60, rotating driving device comprises bevel gear mechanism 61, and bevel gear mechanism is through installing through hole and sliding the tool axis rotation in through hole drive shaft.
Above-mentioned lifting drive 50, composition graphs 3, Fig. 4, also comprise the first servomotor 52, first shaft coupling 53, worm screw 54, worm gear 55, first housing 56; The second nut 58 that described second ball wire bar pair 51 comprises the second ball screw 57, coordinates with the second ball screw; Described first housing is arranged on the sidewall of T-shaped workbench vertical portion 13, and the first shaft coupling, worm screw, worm gear are installed in the first housing, and the first servomotor is arranged on the first housing; Described second nut is arranged on the bottom of main shaft, and the second ball screw is vertically arranged, and worm gear is arranged on the second ball screw, and worm and wheel engages, and worm screw is connected with the motor shaft of the first servomotor by the first shaft coupling.Wherein, as Fig. 1, the bottom of described main shaft 20 is provided with base plate 21, and described second nut 58 is arranged on base plate.
Above-mentioned rotating driving device 60, as Fig. 2, also comprises the second servomotor 62, second shaft coupling 63, gear shaft 64, second housing 65, contiguous block 66, fixed cover 67; Described bevel gear mechanism 61 comprises master bevel gear 68 and secondary bevel gear 69; Described second housing is arranged on the sidewall of T-shaped workbench vertical portion 13, and the second shaft coupling, gear shaft are positioned at the second housing, and the second servomotor is installed on the second housing; The motor shaft of the second servomotor is connected with gear shaft by the second shaft coupling, master bevel gear is arranged on gear shaft, secondary bevel gear is arranged on tool axis a, master bevel gear engages with secondary bevel gear, the upper sheathed bearing of secondary bevel gear, described fixed cover is set on bearing, and fixed cover is fixedly connected with contiguous block, and contiguous block is fixedly connected with the second housing.Wherein, the top of described main shaft 20 is provided with top board 22, and the top of described tool axis a is articulated on top board, and described secondary bevel gear is arranged on the bottom of tool axis.
As Fig. 5, moving up and down between passage and main shaft 20 of described workbench 10 is provided with guiding mechanism, and this guiding mechanism comprises the first little axle 71 and the second little axle 72, first roller 81 and the second roller 82, first ball 91 and the second ball 92.Particularly, the described sidewall moving up and down passage is fixed the first little axle 71 and the second little axle 72, described first little axle and the second little axle horizontal cross give prominence to the sidewall moving up and down passage, and the first little axle and the second little axle are fixed in mode arranged side by side up and down and move up and down on the sidewall of passage; Sheathed first roller 81 on described first little axle, sheathed second roller 82 on described second little axle; The sidewall of described main shaft is offered about one straight trough moved towards 200, described first roller and the second roller are engaged in the straight trough of main shaft, the left and right sides of described first roller contacts with the left and right sides wall of straight trough, and the left and right sides of described second roller contacts with the left and right sides wall of straight trough; The top end face of described first little axle establishes the first ball 91, the top end face of described second little axle establishes the second ball 92, described first ball is arranged on the top end face of the first little axle in the mode embedding the first little axle, described second ball is arranged on the top end face of the second little axle in the mode embedding the second little axle, and described first ball all contacts with the bottom surface of straight trough with the second ball; Described first little axle and on the first roller and the first ball, described second little axle and on the second roller and the second ball can move up and down relative to straight trough when main shaft moves up and down relative to workbench.
In practical operation, the first ball wire bar pair is by driving workbench 10 horizontal linear on line slideway 30 to run with coordinating of nut bracket 40; The second ball wire bar pair 51 drive shaft 20 in lifting drive 50 moves up and down moving up and down in passage of workbench 10; Rotating driving device 60 by bevel gear mechanism 61 by power transmission to tool axis a, tool axis a is rotated.
Above content is only better embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.

Claims (6)

1. be arranged on the table mechanism on gear-hobbing machine lathe bed, comprise workbench (10), main shaft (20), knife rest, line slideway (30), nut bracket (40), the first ball wire bar pair; Described first ball wire bar pair and line slideway are arranged on gear-hobbing machine lathe bed, and nut bracket coordinates with the first ball wire bar pair and drives workbench on line slideway, to make level to moving back and forth back and forth; Described main shaft is installed on the table, main shaft hollow, and described knife rest is arranged on tool axis (a), and described tool axis is arranged in main shaft; It is characterized in that: described workbench is in T shape, T-shaped workbench comprises left wing (11), right wing part (12) and vertical portion (13); Described nut bracket is arranged in left wing, and described left wing and right wing part make level to moving back and forth back and forth on line slideway; Described vertical portion offer run through workbench up and down move up and down passage, described spindle mobility is plugged in and moves up and down in passage; The lateral wall of described vertical portion is provided with lifting drive (50), lifting drive comprises the second ball wire bar pair (51), and the second ball wire bar pair drive shaft moves up and down moving up and down in passage; The lateral wall of described vertical portion is offered installation through hole, the sidewall of described main shaft is offered and slides through hole (130), the lateral wall of vertical portion is provided with rotating driving device (60), rotating driving device comprises bevel gear mechanism (61), and bevel gear mechanism is through installing through hole and sliding the tool axis rotation in through hole drive shaft.
2. a kind of table mechanism be arranged on gear-hobbing machine lathe bed as claimed in claim 1, is characterized in that: described lifting drive (50) also comprises the first servomotor (52), the first shaft coupling (53), worm screw (54), worm gear (55), the first housing (56); The second nut (58) that described second ball wire bar pair (51) comprises the second ball screw (57), coordinates with the second ball screw; Described first housing is arranged on the sidewall of T-shaped workbench vertical portion (13), and the first shaft coupling, worm screw, worm gear are installed in the first housing, and the first servomotor is arranged on the first housing; Described second nut is arranged on the bottom of main shaft, and the second ball screw is vertically arranged, and worm gear is arranged on the second ball screw, and worm and wheel engages, and worm screw is connected with the motor shaft of the first servomotor by the first shaft coupling.
3. a kind of table mechanism be arranged on gear-hobbing machine lathe bed as claimed in claim 2, it is characterized in that: the bottom of described main shaft (20) is provided with base plate (21), described second nut (58) is arranged on base plate.
4. a kind of table mechanism be arranged on gear-hobbing machine lathe bed as claimed in claim 1, is characterized in that: described rotating driving device (60) also comprises the second servomotor (62), the second shaft coupling (63), gear shaft (64), the second housing (65), contiguous block (66), fixed cover (67); Described bevel gear mechanism (61) comprises master bevel gear (68) and secondary bevel gear (69); Described second housing is arranged on the sidewall of T-shaped workbench vertical portion (13), and the second shaft coupling, gear shaft are positioned at the second housing, and the second servomotor is installed on the second housing; The motor shaft of the second servomotor is connected with gear shaft by the second shaft coupling, master bevel gear is arranged on gear shaft, secondary bevel gear is arranged on tool axis (a), master bevel gear engages with secondary bevel gear, the upper sheathed bearing of secondary bevel gear, described fixed cover is set on bearing, and fixed cover is fixedly connected with contiguous block, and contiguous block is fixedly connected with the second housing.
5. a kind of table mechanism be arranged on gear-hobbing machine lathe bed as claimed in claim 1, is characterized in that: the top of described main shaft (20) is provided with top board (22), and described tool axis (a) is articulated on top board.
6. a kind of table mechanism be arranged on gear-hobbing machine lathe bed as claimed in claim 1, it is characterized in that: described in move up and down passage sidewall on be fixed with the first little axle (71) and the second little axle (72), described first little axle and the second little axle horizontal cross give prominence to the sidewall moving up and down passage, and the first little axle and the second little axle are fixed in mode arranged side by side up and down and move up and down on the sidewall of passage; Described first little axle is arranged with the first roller (81), described second little axle is arranged with the second roller (82); The sidewall of described main shaft is offered about one straight trough moved towards (200), described first roller and the second roller are engaged in the straight trough of main shaft, the left and right sides of described first roller contacts with the left and right sides wall of straight trough, and the left and right sides of described second roller contacts with the left and right sides wall of straight trough; The top end face of described first little axle is provided with the first ball (91), the top end face of described second little axle is provided with the second ball (92), described first ball is arranged on the top end face of the first little axle in the mode embedding the first little axle, described second ball is arranged on the top end face of the second little axle in the mode embedding the second little axle, and described first ball all contacts with the bottom surface of straight trough with the second ball; Described first little axle and on the first roller and the first ball, described second little axle and on the second roller and the second ball can move up and down relative to straight trough when main shaft moves up and down relative to workbench.
CN201520383228.3U 2015-06-04 2015-06-04 Install worktable mechenism on gear -hobbing machine lathe bed Withdrawn - After Issue CN204771784U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520383228.3U CN204771784U (en) 2015-06-04 2015-06-04 Install worktable mechenism on gear -hobbing machine lathe bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520383228.3U CN204771784U (en) 2015-06-04 2015-06-04 Install worktable mechenism on gear -hobbing machine lathe bed

Publications (1)

Publication Number Publication Date
CN204771784U true CN204771784U (en) 2015-11-18

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CN201520383228.3U Withdrawn - After Issue CN204771784U (en) 2015-06-04 2015-06-04 Install worktable mechenism on gear -hobbing machine lathe bed

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104858700A (en) * 2015-06-04 2015-08-26 浙江日创机电科技有限公司 Working table mechanism installed on gear hobbing machine lathe bed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104858700A (en) * 2015-06-04 2015-08-26 浙江日创机电科技有限公司 Working table mechanism installed on gear hobbing machine lathe bed

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20151118

Effective date of abandoning: 20171114