CN102979873B - Variable-speed transmission mechanism for vertical lathe - Google Patents
Variable-speed transmission mechanism for vertical lathe Download PDFInfo
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- CN102979873B CN102979873B CN201210514021.6A CN201210514021A CN102979873B CN 102979873 B CN102979873 B CN 102979873B CN 201210514021 A CN201210514021 A CN 201210514021A CN 102979873 B CN102979873 B CN 102979873B
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- angular contact
- contact ball
- ball bearing
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Abstract
The invention relates to a variable-speed transmission mechanism for a vertical lathe, which belongs to the technical field of machinery industry. The variable-speed transmission mechanism comprises a first bolt, a second bolt, a cylindrical roller bearing, a gear, a first angular contact ball bearing, a second angular contact ball bearing, a double-row self-aligning bearing, a bearing sleeve, a third bolt, a flange, a fourth bolt, a first belt pulley, a main shaft, a flat key, a slotted nut, a belt, a fifth bolt, a second belt pulley, a base, a tightening bolt, a pull block, a support plate, a planetary transmission, a sixth bolt and a motor, wherein the planetary transmission is fixed on the support plate; the input end of the planetary transmission is connected with the motor; the pull block is fixed on the base, and is connected with the tightening bolt through a screw thread; the output end of the planetary transmission is connected with the second belt pulley through the fifth bolt; and the second belt pulley and the first belt pulley are connected and driven through the belt. Due to the adoption of belt transmission, vibration can be buffered and absorbed, transmission stability is ensured, and the noise is low; and the planetary transmission is adopted, so that the transmission efficiency is high.
Description
Technical field
The present invention relates to a kind of vertical car variable transmission mechanism, belong to machinery industry technical field.
Background technique
In machinery industry, the stability of mechanical drive mode to transmission has a significant impact.The common mechanical kind of drive comprises belt transmission, Chain conveyer, gear transmission, Worm and Worm Gear Driving, screw rod transmission etc.; the various kind of drive has different features respectively; wherein belt transmission has that stable drive, noise are little, buffering absorbing; can overload protection; allow to use larger centre distance, the features such as convenient for installation and maintenance, cost is low.Therefore, belt transmission is a kind of development trend of Current mechanical transmission.
At present, in vertical Vehicle Processing process, vertical car variable transmission mechanism generally adopts speed-changing gear box gear, and by the impact of machining accuracy and mounting type, existing vertical car variable transmission mechanism transmission stability is poor, and noise is large.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, thus provide a kind of vertical car variable transmission mechanism, simple and reasonable for structure, stable drive, noise is little.
According to technological scheme provided by the invention, vertical car variable transmission mechanism comprises the first bolt, second bolt, roller bearing, gear, first angular contact ball bearing, second angular contact ball bearing, double-row self-aligning bearing, bearing housing, 3rd bolt, flange, 4th bolt, first belt wheel, main shaft, flat key, slotted nut, belt, 5th bolt, second belt wheel, base, turnbuckle, pulling block, dunnage, planetary transmission, 6th bolt and motor, base rotates main shaft is installed, main shaft lower end connects the first belt wheel by flat key, first belt wheel lower end is threaded connection slotted nut.Adpting flange, double-row self-aligning bearing, the second angular contact ball bearing and the first angular contact ball bearing successively in the middle part of main shaft, double-row self-aligning bearing, the second angular contact ball bearing and the first angular contact ball bearing outer ring coupling shaft bearing sleeve.Bearing housing and flange are by the 4th bolton.Described bearing housing is bolted on base by the 3rd.Main shaft upper end connects gear and roller bearing successively, it is characterized in that: by the 6th bolton dunnage on base, and dunnage side connects turnbuckle.Described dunnage fixes planetary transmission, and the input end of planetary transmission connects motor.Base fixes pulling block, and pulling block is threaded connection turnbuckle.The output terminal of described planetary transmission connects the second belt wheel by the 5th bolt.Described second belt wheel and the first belt wheel are by belt connection for transmission.
The 5th spacer is provided with between described first belt wheel and slotted nut.
Spacer is provided with between described flange and bearing housing.
The 4th spacer is provided with between described double-row self-aligning bearing and the second angular contact ball bearing.
The 3rd inner spacing collar and the 3rd outer separator is provided with between described second angular contact ball bearing and the first angular contact ball bearing.
Described 3rd inner spacing collar is positioned at the 3rd outer separator inner ring.
The first spacer is provided with between described roller bearing and gear.
The second spacer is provided with between described gear and the first angular contact ball bearing.
Described main shaft upper-end surface connects pressing plate by the second bolt.
Described base upper end is by the first bolted cover plate, and cover plate is positioned at above main shaft upper-end surface.
Compared with the prior art the present invention has the following advantages:
The present invention is simple, compact and reasonable for structure; Adopt belt transmission, can cushion absorbing, stable drive, noise is little; Convenient for installation and maintenance, cost is low; Adopt planetary transmission, output shaft end can bear higher radial force, and transmission efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Description of reference numerals: 1-first bolt, 2-cover plate, 3-the 3rd bolt, 4-pressing plate, 5-roller bearing, 6-first spacer, 7-gear, 8-second spacer, 9-first angular contact ball bearing, 10-the 3rd inner spacing collar, 11-the 3rd outer separator, 12-second angular contact ball bearing, 13-the 4th spacer, 14-double-row self-aligning bearing, 15-bearing housing, 16-the 3rd bolt, 17-spacer, 18-flange, 19-the 4th bolt, 20-first belt wheel, 21-main shaft, 22-the 5th spacer, 23-flat key, 24-slotted nut, 25-belt, 26-the 5th bolt, 27-second belt wheel, 28-base, 29-turnbuckle, 30-pulling block, 31-dunnage, 32-planetary transmission, 33-the 6th bolt, 34-motor.
Embodiment
Embodiment in is by reference to the accompanying drawings further described by the present invention below:
As shown in Figure 1, the present invention mainly comprises the first bolt 1, second bolt 3, roller bearing 5, gear 7, first angular contact ball bearing 9, second angular contact ball bearing 12, double-row self-aligning bearing 14, bearing housing 15, the 3rd bolt 16, flange 18, the 4th bolt 19, first belt wheel 20, main shaft 21, flat key 23, slotted nut 24, belt 25, the 5th bolt 26, second belt wheel 27, base 28, turnbuckle 29, pulling block 30, dunnage 31, planetary transmission 32, the 6th bolt 33 and motor 34.
By the 6th bolt 33 fastening support plate 31 on base 28, dunnage 31 side connects turnbuckle 29.Described dunnage 31 fixes planetary transmission 32, and the input end of planetary transmission 32 connects motor 34.Base 28 is fixed pulling block 30, pulling block 30 is threaded connection turnbuckle 29.The output terminal of described planetary transmission 32 connects the second belt wheel 27 by the 5th bolt 26.
Base 28 rotates and installs main shaft 21, main shaft 21 lower end connects the first belt wheel 20, first belt wheel 20 lower end by flat key 23 and is threaded connection slotted nut 24, and slotted nut 24 is spacing for the first belt wheel 20.The 5th spacer 22 is provided with between described first belt wheel 20 and slotted nut 24.
Adpting flange 18, double-row self-aligning bearing 14, second angular contact ball bearing 12 and the first angular contact ball bearing 9 successively in the middle part of main shaft 21, double-row self-aligning bearing 14, second angular contact ball bearing 12 and the first angular contact ball bearing 9 outer ring coupling shaft bearing sleeve 15.Bearing housing 15 is fastening by the 4th bolt 19 with flange 18.Described bearing housing 15 is fixed on base 28 by the 3rd bolt 16.Spacer 17 is provided with between described flange 18 and bearing housing 15.The 4th spacer 13 is provided with between described double-row self-aligning bearing 14 and the second angular contact ball bearing 12.The 3rd inner spacing collar 10 is provided with and the 3rd outer separator the 11, three inner spacing collar 10 is positioned at the 3rd outer separator 11 inner ring between described second angular contact ball bearing 12 and the first angular contact ball bearing 9.
Main shaft 21 upper end connects gear 7 and roller bearing 5 successively.Main shaft 21 upper-end surface connects pressing plate 4 by the second bolt 3.Base 28 upper end is by the first bolt 1 securing cover plate 2, and cover plate 2 is positioned at above main shaft 21 upper-end surface.The first spacer 6 is provided with between described roller bearing 5 and gear 7.The second spacer 8 is provided with between described gear 7 and the first angular contact ball bearing 9.
Described second belt wheel 27 and the first belt wheel 20 are by belt 25 connection for transmission.
The present invention is simple, compact and reasonable for structure; Adopt belt transmission, can cushion absorbing, stable drive, noise is little; Convenient for installation and maintenance, cost is low; Adopt planetary transmission, output shaft end can bear higher radial force, and transmission efficiency is high.
Claims (2)
1. a vertical car variable transmission mechanism, the first belt wheel (20), main shaft (21), flat key (23), the second belt wheel (27) belt (25) and motor (34); Described second belt wheel (27) and the first belt wheel (20) are by belt (25) connection for transmission; Main shaft (21) lower end connects the first belt wheel (20) by flat key (23);
It is characterized in that: comprise the first bolt (1), second bolt (3), roller bearing (5), gear (7), first angular contact ball bearing (9), second angular contact ball bearing (12), double-row self-aligning bearing (14), bearing housing (15), 3rd bolt (16), flange (18), 4th bolt (19), slotted nut (24), 5th bolt (26), base (28), turnbuckle (29), pulling block (30), dunnage (31), planetary transmission (32) and the 6th bolt (33), the upper rotation of base (28) installs main shaft (21), first belt wheel (20) lower end is threaded connection slotted nut (24), main shaft (21) middle part adpting flange (18), double-row self-aligning bearing (14), the second angular contact ball bearing (12) and the first angular contact ball bearing (9) successively, double-row self-aligning bearing (14), the second angular contact ball bearing (12) and the first angular contact ball bearing (9) outer ring coupling shaft bearing sleeve (15), bearing housing (15) is fastening by the 4th bolt (19) with flange (18), described bearing housing (15) is fixed on base (28) by the 3rd bolt (16), main shaft (21) upper end connects gear (7) and roller bearing (5) successively, and by the 6th bolt (33) fastening support plate (31) on base (28), dunnage (31) side connects turnbuckle (29), the upper fixing planetary transmission (32) of described dunnage (31), the input end of planetary transmission (32) connects motor (34), the upper fixing pulling block (30) of base (28), pulling block (30) is threaded connection turnbuckle (29), the output terminal of described planetary transmission (32) connects the second belt wheel (27) by the 5th bolt (26),
The 5th spacer (22) is provided with between described first belt wheel (20) and slotted nut (24);
Spacer (17) is provided with between described flange (18) and bearing housing (15);
The 4th spacer (13) is provided with between described double-row self-aligning bearing (14) and the second angular contact ball bearing (12);
The 3rd inner spacing collar (10) and the 3rd outer separator (11) is provided with between described second angular contact ball bearing (12) and the first angular contact ball bearing (9);
The first spacer (6) is provided with between described roller bearing (5) and gear (7);
The second spacer (8) is provided with between described gear (7) and the first angular contact ball bearing (9);
Described main shaft (21) upper-end surface connects pressing plate (4) by the second bolt (3);
Described base (28) upper end is by the first bolt (1) securing cover plate (2), and cover plate (2) is positioned at above main shaft (21) upper-end surface.
2. vertical car variable transmission mechanism as claimed in claim 1, is characterized in that: described 3rd inner spacing collar (10) is positioned at the 3rd outer separator (11) inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210514021.6A CN102979873B (en) | 2012-12-04 | 2012-12-04 | Variable-speed transmission mechanism for vertical lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210514021.6A CN102979873B (en) | 2012-12-04 | 2012-12-04 | Variable-speed transmission mechanism for vertical lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102979873A CN102979873A (en) | 2013-03-20 |
| CN102979873B true CN102979873B (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210514021.6A Expired - Fee Related CN102979873B (en) | 2012-12-04 | 2012-12-04 | Variable-speed transmission mechanism for vertical lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102979873B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722431A (en) * | 2013-11-25 | 2014-04-16 | 无锡京华重工装备制造有限公司 | Belt pulley transmission structure |
| CN103722185A (en) * | 2013-11-25 | 2014-04-16 | 无锡京华重工装备制造有限公司 | Spindle structure |
| CN104315104B (en) * | 2014-09-27 | 2017-02-15 | 张卫 | Dual-purpose transmission device |
| CN110394786A (en) * | 2019-08-13 | 2019-11-01 | 信达铝业有限公司 | Six-joint robot is used in a kind of teaching |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5324237A (en) * | 1992-01-25 | 1994-06-28 | Robert Bosch Gmbh | Belt drive for electrical machines |
| CN201346630Y (en) * | 2008-11-21 | 2009-11-18 | 沈阳机床股份有限公司 | Main servo mechanism of single main shaft |
| CN102126151A (en) * | 2010-12-13 | 2011-07-20 | 康凤明 | Spindle transmission device of milling and boring machine |
| CN102785164A (en) * | 2012-08-09 | 2012-11-21 | 绍兴市家度弹簧机械有限公司 | Main shaft transmission system of vertical-type grinding machine |
| CN202992091U (en) * | 2012-12-04 | 2013-06-12 | 无锡京华重工装备制造有限公司 | Vertical lathe speed change transmission mechanism |
-
2012
- 2012-12-04 CN CN201210514021.6A patent/CN102979873B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5324237A (en) * | 1992-01-25 | 1994-06-28 | Robert Bosch Gmbh | Belt drive for electrical machines |
| CN201346630Y (en) * | 2008-11-21 | 2009-11-18 | 沈阳机床股份有限公司 | Main servo mechanism of single main shaft |
| CN102126151A (en) * | 2010-12-13 | 2011-07-20 | 康凤明 | Spindle transmission device of milling and boring machine |
| CN102785164A (en) * | 2012-08-09 | 2012-11-21 | 绍兴市家度弹簧机械有限公司 | Main shaft transmission system of vertical-type grinding machine |
| CN202992091U (en) * | 2012-12-04 | 2013-06-12 | 无锡京华重工装备制造有限公司 | Vertical lathe speed change transmission mechanism |
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| Publication number | Publication date |
|---|---|
| CN102979873A (en) | 2013-03-20 |
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