CN103423397A - Reduction gearbox for eliminating intervals of nut strip - Google Patents

Reduction gearbox for eliminating intervals of nut strip Download PDF

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Publication number
CN103423397A
CN103423397A CN2013103263610A CN201310326361A CN103423397A CN 103423397 A CN103423397 A CN 103423397A CN 2013103263610 A CN2013103263610 A CN 2013103263610A CN 201310326361 A CN201310326361 A CN 201310326361A CN 103423397 A CN103423397 A CN 103423397A
Authority
CN
China
Prior art keywords
nut strip
worm screw
shaft
worm
gear
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.)
Pending
Application number
CN2013103263610A
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Chinese (zh)
Inventor
张谦勇
张恺睿
薛兆云
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.)
SHANDONG LUZHONG CNC MACHINE CO Ltd
Original Assignee
SHANDONG LUZHONG CNC MACHINE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANDONG LUZHONG CNC MACHINE CO Ltd filed Critical SHANDONG LUZHONG CNC MACHINE CO Ltd
Priority to CN2013103263610A priority Critical patent/CN103423397A/en
Publication of CN103423397A publication Critical patent/CN103423397A/en
Pending legal-status Critical Current

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses a reduction gearbox for eliminating intervals of a nut strip. The reduction gearbox comprises a reduction gearbox body, the nut strip is arranged outside the reduction gearbox body, a transmission shaft, an intermediate shaft and a main shaft are arranged in the reduction gearbox body side by side, and a left worm and a right worm are installed on the main shaft side by side. The left worm and the right worm are meshed with the nut strip respectively, rotational motion of the left worm and rotational motion of the right worm are converted into linear motion of the nut strip, the left worm moves to the right to make the interval between the left worm and the nut strip be wholly concentrated on the left side for emitting the interval on the right side of the nut strip is eliminated, the right worm moves to the left to make the interval between the right worm and the nut strip be wholly concentrated on the right for emitting the interval on the left side of the nut strip is eliminated, therefore, the right worm is stressed when moving to the left, and the left worm is stressed when moving to the right, so that the left interval and the right interval are eliminated. Cost is not increased, errors caused by machine tool transmission are effectively eliminated, transmission accuracy is improved, and machining accuracy is also greatly improved.

Description

The nut strip gap speed reducer that disappears
Technical field
The present invention relates to a kind of machining equipment transmission part, especially a kind of nut strip that is applicable to the X-axis such as gantry mill, single armed mill, facing cut gap speed reducer that disappears, for eliminating backlass.
Background technique
Gantry mill, single armed mill, facing cut etc. is as universal equipment, generally do not have backlash eliminating equipment, and backlass is larger, and numerical control device adopts backlash eliminating equipment more, but most gap device complex structure, precision is higher, and manufacture cost is very high.It is upper that the gap that considers gantry mill mainly is present in the end final stage engagement of transmission, because front what engagement is in manufacturing or all fine assurances on assembling is adjusted, and final stage engagement is adjusted and measures difficulty, and wearing and tearing are more serious.
Summary of the invention
The nut strip that the problem to be solved in the present invention is a kind of gap that can eliminate final stage, reduce reverse error, the improve transmission accuracy gap speed reducer that disappears.
In order to address the above problem, the present invention by the following technical solutions:
A kind of nut strip gap speed reducer that disappears, comprise deceleration box, the outside of deceleration box is provided with nut strip, be provided with side by side transmission shaft, jack shaft and main shaft in described deceleration box, two worm screws are installed side by side: left worm screw and right worm screw on described main shaft, left worm screw and right worm screw mesh with nut strip respectively, rotatablely moving of left worm screw and right worm screw can be converted to the straight line motion of nut strip.
Below the further improvement of the present invention to above-mentioned division:
Be provided with butterfly spring between left worm screw and right worm screw.
Further improve: described deceleration box is provided with the power input shaft be connected with transmission shaft driven, and described power input shaft and Power Drive Unit are in transmission connection.
Further improve: the first umbrella gear is installed, the second umbrella gear that driving gear is installed on described transmission shaft and is meshed with the first umbrella gear on power input shaft;
Spline gear also is installed on described main shaft, is in transmission connection by driven gear between described spline gear and driving gear, described driven gear is arranged on jack shaft.
Further improve: Power Drive Unit comprises the speed reducer be connected by the second shaft coupling transmission with power input shaft, on the power input shaft of described speed reducer, by the first shaft coupling transmission, is connected with variable-frequency motor.
During work, the power of power source variable-frequency motor is in transmission connection by speed reducer and power input shaft, the first umbrella gear on power input shaft connects, the first umbrella gear and the second umbrella gear are connected with a joggle, the second umbrella gear coaxially is connected on transmission shaft with driving gear, and driving gear and driven gear are connected with a joggle, and driven gear rotates at jack shaft, driven gear and spline gear are connected with a joggle, and spline gear coaxially is connected with main shaft by spline.
Left worm screw moves right the gap of left worm screw and nut strip is all concentrated on to left side, for the gap, right side of eliminating nut strip, right worm screw is moved to the left the gap of right worm screw and nut strip is all concentrated on to right side, for the gap, left side of eliminating nut strip, while being moved to the left like this, right worm screw is stressed, while moving right, left worm screw is stressed, realizes elimination gap, left and right.When not increasing cost, effectively eliminated the error that the lathe transmission produces, improve transmission accuracy, machining accuracy also increases substantially.
Below in conjunction with drawings and Examples, the invention will be further described.
The accompanying drawing explanation
The structural representation that accompanying drawing 1 is the embodiment of the present invention;
Accompanying drawing 2 is that A-A in accompanying drawing 1 is to sectional view;
The structure for amplifying schematic diagram that accompanying drawing 3 is worm screw and nut strip in the embodiment of the present invention.
In figure: the 1-variable-frequency motor; 2-the first coupling; The 3-speed reducer; 4-the second coupling; The 5-nut strip; The 6-thrust ball bearing; The 7-butterfly spring; The 8-main shaft; The left worm screw of 9-; The right worm screw of 91-; The 10-spline gear; The 11-needle bearing; The 12-driven gear; The 13-jack shaft; The 14-driving gear; The 15-transmission shaft; 16-the second umbrella gear; 17-the first umbrella gear; The 18-pto=power take-off; The 19-deceleration box.
Embodiment
Embodiment, as shown in Figure 1 and Figure 2, a kind of nut strip gap speed reducer that disappears, comprise deceleration box 19, be provided with side by side transmission shaft 15, jack shaft 13 and main shaft 8 in described deceleration box 19, two worm screws are installed on described main shaft 8 side by side: left worm screw 9 and right worm screw 91 are provided with butterfly spring 7 between left worm screw 9 and right worm screw 91; The assurance gap is stable, prevents oppositely locked.
The outside of described deceleration box 19 is provided with the nut strip 5 with left worm screw 9 and right worm screw 91 difference engagement driving; Nut strip 5 is fixed on worktable.
Described deceleration box 19 is provided with the power input shaft 18 be in transmission connection with transmission shaft 15, and described power input shaft 18 is in transmission connection with Power Drive Unit.
Left worm screw 9 and right worm screw 91 be the disappear final stage of gap speed reducer of nut strip for this reason, for gap and the power output of disappearing.
The first umbrella gear 17 is installed, the second umbrella gear 16 that driving gear 14 is installed on described transmission shaft 15 and is meshed with the first umbrella gear 17 on power input shaft 18;
Described main shaft 8 and two ends are rotationally connected with deceleration box 19 by thrust ball bearing 6 and needle bearing 11 respectively.Bearing capacity is large, operates steadily, and realizes high pulling torque, high rigidity.
On described main shaft 8, spline gear 10 also is installed, is in transmission connection by driven gear 12 between described spline gear 10 and driving gear 14, described driven gear 12 is arranged on jack shaft 13.
Power Drive Unit comprises the speed reducer 3 be in transmission connection by the second coupling 4 with power input shaft 18, on the power input shaft of described speed reducer 3, by the first coupling 2, is connected with variable-frequency motor 1.
The power of power source variable-frequency motor 1 is in transmission connection by speed reducer 3 and power input shaft 18, the first umbrella gear 17 on power input shaft 18 connects, the first umbrella gear 17 and the second umbrella gear 16 are connected with a joggle, the second umbrella gear 16 coaxially is connected on transmission shaft 15 with driving gear 14, driving gear 14 is connected with a joggle with driven gear 12, driven gear 12 rotates at jack shaft 13, and driven gear 12 is connected with a joggle with spline gear 10, and spline gear 10 coaxially is connected with main shaft 8 by spline.
Left worm screw 9 and right worm screw 91 respectively with main shaft 8 spline joints, left worm screw 9 is connected with nut strip 5 spirals respectively with right worm screw 91, and rotatablely moving of left worm screw 9 and right worm screw 91 is converted to the straight line motion of nut strip.
As shown in Figure 3, left worm screw 9 moves right left worm screw 9 and the gap of nut strip 5 is all concentrated on to left side t1, for the gap, right side of eliminating nut strip 5, right worm screw 9 is moved to the left right worm screw 9 and the gap of nut strip 5 is all concentrated on to right side t2, for the gap, left side of eliminating nut strip 5, while being moved to the left like this, right worm screw 9 is stressed, and while moving right, left worm screw 9 is stressed, realizes elimination gap, left and right.When not increasing cost, effectively eliminated the error that the lathe transmission produces, improve transmission accuracy, machining accuracy also increases substantially.

Claims (5)

1. the nut strip gap speed reducer that disappears, comprise deceleration box (19), and the outside of deceleration box (19) is provided with nut strip (5), is provided with side by side transmission shaft (15), jack shaft (13) and main shaft (8) in described deceleration box (19), it is characterized in that:
Two worm screws are installed side by side: left worm screw (9) and right worm screw (91) on described main shaft (8), left worm screw (9) and right worm screw (91) mesh with nut strip (5) respectively, rotatablely moving of left worm screw (9) and right worm screw (91) can be converted to the straight line motion of nut strip (5).
2. the nut strip according to claim 1 gap speed reducer that disappears is characterized in that:
Be provided with butterfly spring (7) between left worm screw (9) and right worm screw (91).
3. the nut strip according to claim 1 and 2 gap speed reducer that disappears is characterized in that:
Described deceleration box (19) is provided with the power input shaft (18) be in transmission connection with transmission shaft (15), and described power input shaft (18) is in transmission connection with Power Drive Unit.
4. the nut strip according to claim 3 gap speed reducer that disappears is characterized in that:
The first umbrella gear (17) is installed, the second umbrella gear (16) that driving gear (14) is installed on described transmission shaft (15) and is meshed with the first umbrella gear (17) on power input shaft (18);
Spline gear (10) also is installed on described main shaft (8), is in transmission connection by driven gear (12) between described spline gear (10) and driving gear (14), described driven gear (12) is arranged on jack shaft (13).
5. the nut strip according to claim 4 gap speed reducer that disappears is characterized in that:
Power Drive Unit comprises the speed reducer (3) be in transmission connection by the second coupling (4) with power input shaft (18), on the power input shaft of described speed reducer (3), by the first coupling (2), is connected with variable-frequency motor (1).
CN2013103263610A 2013-07-31 2013-07-31 Reduction gearbox for eliminating intervals of nut strip Pending CN103423397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013103263610A CN103423397A (en) 2013-07-31 2013-07-31 Reduction gearbox for eliminating intervals of nut strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013103263610A CN103423397A (en) 2013-07-31 2013-07-31 Reduction gearbox for eliminating intervals of nut strip

Publications (1)

Publication Number Publication Date
CN103423397A true CN103423397A (en) 2013-12-04

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104942595A (en) * 2014-03-31 2015-09-30 青岛青宏机械制造有限公司 Novel planer milling machine
CN105849491A (en) * 2013-12-23 2016-08-10 株式会社Posco Equipment for manufacturing sintered ore and method for manufacturing sintered ore using same
CZ306718B6 (en) * 2014-05-21 2017-05-24 Deprag Cz A.S. Actuation of pneumatic tools

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1718469A (en) * 1926-03-03 1929-06-25 Maag Zahnraeder & Maschinen Ag Device for taking up the play in gears
US3659474A (en) * 1969-07-11 1972-05-02 Waldrich Werkzeugmasch Worm gear for driving machine-tool slides, in particular in milling machines
DE4310130C2 (en) * 1993-03-29 2001-06-07 Rsa Entgrat U Trenn Systeme Gm Matched linear drive
WO2007031603A1 (en) * 2005-09-14 2007-03-22 Mandrel Oy Arrangement in cutting tool
CN200985997Y (en) * 2006-12-25 2007-12-05 中国船舶重工集团公司第七一三研究所 Semi-nut chain transmission mechanism capable of self locking
CN201747915U (en) * 2010-06-30 2011-02-16 芜湖金鹏高速冲槽机制造有限公司 Gap adjustable mechanism of screw rods and nuts
CN102654192A (en) * 2012-05-07 2012-09-05 中国重型机械研究院有限公司 System and method for eliminating thread clearance
CN203431117U (en) * 2013-07-31 2014-02-12 山东鲁重数控机床股份有限公司 Anti-backlash reduction gearbox for nut strip

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1718469A (en) * 1926-03-03 1929-06-25 Maag Zahnraeder & Maschinen Ag Device for taking up the play in gears
US3659474A (en) * 1969-07-11 1972-05-02 Waldrich Werkzeugmasch Worm gear for driving machine-tool slides, in particular in milling machines
DE4310130C2 (en) * 1993-03-29 2001-06-07 Rsa Entgrat U Trenn Systeme Gm Matched linear drive
WO2007031603A1 (en) * 2005-09-14 2007-03-22 Mandrel Oy Arrangement in cutting tool
CN200985997Y (en) * 2006-12-25 2007-12-05 中国船舶重工集团公司第七一三研究所 Semi-nut chain transmission mechanism capable of self locking
CN201747915U (en) * 2010-06-30 2011-02-16 芜湖金鹏高速冲槽机制造有限公司 Gap adjustable mechanism of screw rods and nuts
CN102654192A (en) * 2012-05-07 2012-09-05 中国重型机械研究院有限公司 System and method for eliminating thread clearance
CN203431117U (en) * 2013-07-31 2014-02-12 山东鲁重数控机床股份有限公司 Anti-backlash reduction gearbox for nut strip

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105849491A (en) * 2013-12-23 2016-08-10 株式会社Posco Equipment for manufacturing sintered ore and method for manufacturing sintered ore using same
CN105849491B (en) * 2013-12-23 2017-10-13 株式会社Posco Manufacture the equipment and the method using the device fabrication sintering deposit of sintering deposit
CN104942595A (en) * 2014-03-31 2015-09-30 青岛青宏机械制造有限公司 Novel planer milling machine
CZ306718B6 (en) * 2014-05-21 2017-05-24 Deprag Cz A.S. Actuation of pneumatic tools

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