CN104353704A - Pressing wheel lifting mechanism of straightening machine - Google Patents
Pressing wheel lifting mechanism of straightening machine Download PDFInfo
- Publication number
- CN104353704A CN104353704A CN201410632498.3A CN201410632498A CN104353704A CN 104353704 A CN104353704 A CN 104353704A CN 201410632498 A CN201410632498 A CN 201410632498A CN 104353704 A CN104353704 A CN 104353704A
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- CN
- China
- Prior art keywords
- transmission shaft
- power transmission
- screw
- screw power
- ball bearing
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
Abstract
The invention relates to a pressing wheel lifting mechanism of a straightening machine. The pressing wheel lifting mechanism comprises a flange, a lifting lead screw, a nut transmission shaft, a pinion, a reducer pedestal, a bull gear, a reducer and a frame, wherein the nut transmission shaft is arranged vertically and mounted on the frame by use of a carrying bearing assembly; the bull gear is fixedly mounted on the upper end of the nut transmission shaft; the reducer is mounted on the reducer pedestal which is fixedly mounted on the top of the frame; the pinion is mounted on the output shaft of the reducer and engaged with the bull gear; the nut transmission shaft is of a hollow structure; internal threads are formed in the wall of an inner hole formed in the lower end of the nut transmission shaft; the lifting lead screw is screwed down in the nut transmission shaft; the external threads of the lifting lead screw are in threaded transmission fit with the internal threads on the wall of the inner hole of the nut transmission shaft; the flange is mounted on the lower end of the lifting lead screw. The pressing wheel lifting mechanism of the straightening machine is simple in structure, and capable of accurately adjusting the position of the pressing wheel and further accurately straightening an H-shaped steel; besides, the pressing wheel lifting mechanism is convenient to operate; as a result, the product precision of the H-shaped steel, the processing efficiency and the automation degree are greatly improved.
Description
Technical field
The present invention relates to the pinch roller elevating mechanism of arbor press, belong to steel construction processing and manufacturing technical field.
Background technology
Along with the fast development of China's steel construction industry, the H profile steel for steel-structure factory building develops to meticulous type and heavy duty detergent day by day, and the group how improving H profile steel founds precision, working (machining) efficiency and automaticity, has become the difficult problem that steel construction industry must overcome.
H profile steel is by two blocks of wing plates and assembled group of one block of web is vertical forms, and the relative position relation of web and wing plate directly has influence on the qualification rate of H profile steel finished product.Existing general group to found machine be all by carrying out the setting of artificial position to the assembly welding of H profile steel needed in advance, and then carry out H-shaped steel assembly welding, adopt the position that the H profile steel of processing in this way is difficult to locate exactly each plate, always there will be some deviations, this just needs to use follow-up rectification step.But current arbor press by structural design too complicated, be not suitable for production requirement, and structure too simple exist correct the low problem of precision.Pinch roller is the vitals in arbor press, and its stability run and accuracy have vital impact for the rectification precision of H profile steel.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of pinch roller elevating mechanism of arbor press is provided, its structure is simple, can the position of fine adjustment pinch roller, and then accurate straightening H shaped steel, and easy to operate, substantially increase the Product Precision of H profile steel, working (machining) efficiency and automaticity.
According to technical scheme provided by the invention: the pinch roller elevating mechanism of arbor press, it is characterized in that: comprise flange, elevating screw, screw power transmission shaft, pinion, reducer pedestal, gear wheel, reductor and frame, described screw power transmission shaft is vertically arranged, be arranged in frame by loading bearing assembly, gear wheel is fixedly mounted on screw power transmission shaft upper end; Described reductor is arranged on reducer pedestal, and reducer pedestal is fixedly mounted on frame top, and the output shaft of reductor installs pinion, and this pinion engages with described gear wheel; Described screw power transmission shaft is hollow-core construction, and the inner hole wall of screw power transmission shaft lower end is provided with internal thread, and described elevating screw spiral shell is contained in screw power transmission shaft, and the external screw thread on elevating screw forms screw-driven with the internal thread on screw power transmission shaft inner hole wall and coordinates; Described flange is arranged on elevating screw lower end.
As a further improvement on the present invention, described gear wheel is sleeved on mount pad pipe upper end by its wheel hub and is locked by lock nut assembly.
As a further improvement on the present invention, the anti-loose structure that is made up of two round nuts of described lock nut assembly.
As a further improvement on the present invention, described frame is provided with mount pad pipe, and described screw power transmission shaft is arranged in mount pad pipe; Described loading bearing assembly comprises lower thrust ball bearing and lifting force ball bearing, described screw power transmission shaft lower end is provided with spacing outer step, described lower thrust ball bearing, lifting force ball bearing are set in the two ends up and down of screw power transmission shaft, lower thrust ball bearing is installed between spacing outer step upper surface and the lower surface of mount pad pipe, and lifting force ball bearing is installed between the upper surface of mount pad pipe and the wheel hub lower surface of gear wheel.
As a further improvement on the present invention, described gear wheel is outside equipped with gear house.
As a further improvement on the present invention, the lower surface of described flange is provided with stifle.
compared with prior art, tool has the following advantages in the present invention:structure of the present invention is simple, can the position of fine adjustment pinch roller, and then accurate straightening H shaped steel, and easy to operate, substantially increases the Product Precision of H profile steel, working (machining) efficiency and automaticity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure: stifle 1, flange 2, elevating screw 3, lower thrust ball bearing 4, screw power transmission shaft 5, lifting force ball bearing 6, pinion 7, reducer pedestal 8, round nut 9, gear wheel 10, gear house 11, reductor 12 and frame 13 form.
As shown in Figure 1, described screw power transmission shaft 5 is vertically arranged, and is arranged in frame 13 by loading bearing assembly, and gear wheel 10 is fixedly mounted on screw power transmission shaft 5 upper end; Described reductor 12 is arranged on reducer pedestal 8, and reducer pedestal 8 is fixedly mounted on frame 13 top, the output shaft of reductor 12 is installed pinion 7, and this pinion 7 engages with described gear wheel 10; Described screw power transmission shaft 5 is hollow-core construction, the inner hole wall of screw power transmission shaft 5 lower end is provided with internal thread, described elevating screw 3 spiral shell is contained in screw power transmission shaft 5, and the external screw thread on elevating screw 3 forms screw-driven with the internal thread on screw power transmission shaft 5 inner hole wall and coordinates; Described flange 2 is arranged on elevating screw 3 lower end, and flange 2 is for connecting pinch roller.
In the embodiment of the present invention, the installation fixed form of described gear wheel 10 as shown in Figure 1, gear wheel 10 is sleeved on mount pad pipe 13a upper end by its wheel hub and is locked by lock nut assembly, the anti-loose structure that described lock nut assembly is made up of two round nuts 9.
As shown in Figure 1, in the embodiment of the present invention, described frame 13 is provided with mount pad pipe 13a, and described screw power transmission shaft 5 is arranged in mount pad pipe 13a; Described loading bearing assembly forms primarily of lower thrust ball bearing 4 and lifting force ball bearing 6, described screw power transmission shaft 5 lower end is provided with spacing outer step 5a, described lower thrust ball bearing 4, lifting force ball bearing 6 are set in the two ends up and down of screw power transmission shaft 5, lower thrust ball bearing 4 is installed between the lower surface of spacing outer step 5a upper surface and mount pad pipe 13a, between the upper surface that lifting force ball bearing 6 is installed in mount pad pipe 13a and the wheel hub lower surface of gear wheel 10.
As shown in Figure 1, in order to improve barrier propterty of the present invention, described gear wheel 10 is outside equipped with gear house 11.The lower surface of described flange 2 is provided with stifle 1.
Claims (6)
1. the pinch roller elevating mechanism of arbor press, it is characterized in that: comprise flange (2), elevating screw (3), screw power transmission shaft (5), pinion (7), reducer pedestal (8), gear wheel (10), reductor (12) and frame (13), described screw power transmission shaft (5) is vertically arranged, be arranged in frame (13) by loading bearing assembly, gear wheel (10) is fixedly mounted on screw power transmission shaft (5) upper end; Described reductor (12) is arranged on reducer pedestal (8), and reducer pedestal (8) is fixedly mounted on frame (13) top, the output shaft of reductor (12) is installed pinion (7), and this pinion (7) engages with described gear wheel (10); Described screw power transmission shaft (5) is hollow-core construction, the inner hole wall of screw power transmission shaft (5) lower end is provided with internal thread, described elevating screw (3) spiral shell is contained in screw power transmission shaft (5), and the external screw thread on elevating screw (3) forms screw-driven with the internal thread on screw power transmission shaft (5) inner hole wall and coordinates; Described flange (2) is arranged on elevating screw (3) lower end.
2. the pinch roller elevating mechanism of arbor press as claimed in claim 1, is characterized in that: described gear wheel (10) is sleeved on mount pad pipe (13a) upper end by its wheel hub and is locked by lock nut assembly.
3. the pinch roller elevating mechanism of arbor press as claimed in claim 2, is characterized in that: the anti-loose structure that described lock nut assembly is made up of two round nuts (9).
4. the pinch roller elevating mechanism of arbor press as claimed in claim 1, it is characterized in that: described frame (13) is provided with mount pad pipe (13a), described screw power transmission shaft (5) is arranged in mount pad pipe (13a); Described loading bearing assembly comprises lower thrust ball bearing (4) and lifting force ball bearing (6), described screw power transmission shaft (5) lower end is provided with spacing outer step (5a), described lower thrust ball bearing (4), lifting force ball bearing (6) are set in the two ends up and down of screw power transmission shaft (5), lower thrust ball bearing (4) is installed between the lower surface of spacing outer step (5a) upper surface and mount pad pipe (13a), and lifting force ball bearing (6) is installed between the upper surface of mount pad pipe (13a) and the wheel hub lower surface of gear wheel (10).
5. the pinch roller elevating mechanism of arbor press as claimed in claim 1, is characterized in that: described gear wheel (10) is outside equipped with gear house (11).
6. the pinch roller elevating mechanism of arbor press as claimed in claim 1, is characterized in that: the lower surface of described flange (2) is provided with stifle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410632498.3A CN104353704A (en) | 2014-11-11 | 2014-11-11 | Pressing wheel lifting mechanism of straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410632498.3A CN104353704A (en) | 2014-11-11 | 2014-11-11 | Pressing wheel lifting mechanism of straightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104353704A true CN104353704A (en) | 2015-02-18 |
Family
ID=52521063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410632498.3A Pending CN104353704A (en) | 2014-11-11 | 2014-11-11 | Pressing wheel lifting mechanism of straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104353704A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0634235A1 (en) * | 1993-07-14 | 1995-01-18 | Sms Schloemann-Siemag Aktiengesellschaft | Straightening machine for rolled profiles, especially H-profiles |
| CN2335944Y (en) * | 1998-06-02 | 1999-09-01 | 刘国东 | Lifting adjuster |
| CN200942410Y (en) * | 2006-09-06 | 2007-09-05 | 长春试验机研究所 | Automatic shaft straihtener |
| CN201684800U (en) * | 2010-06-09 | 2010-12-29 | 天津重钢机械装备股份有限公司 | H-shaped steel flange plate straightening machine |
| JP2014014845A (en) * | 2012-07-10 | 2014-01-30 | Denso Corp | Wobbling correction device |
| CN204208933U (en) * | 2014-11-11 | 2015-03-18 | 无锡恒富科技有限公司 | The pinch roller elevating mechanism of arbor press |
-
2014
- 2014-11-11 CN CN201410632498.3A patent/CN104353704A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0634235A1 (en) * | 1993-07-14 | 1995-01-18 | Sms Schloemann-Siemag Aktiengesellschaft | Straightening machine for rolled profiles, especially H-profiles |
| CN2335944Y (en) * | 1998-06-02 | 1999-09-01 | 刘国东 | Lifting adjuster |
| CN200942410Y (en) * | 2006-09-06 | 2007-09-05 | 长春试验机研究所 | Automatic shaft straihtener |
| CN201684800U (en) * | 2010-06-09 | 2010-12-29 | 天津重钢机械装备股份有限公司 | H-shaped steel flange plate straightening machine |
| JP2014014845A (en) * | 2012-07-10 | 2014-01-30 | Denso Corp | Wobbling correction device |
| CN204208933U (en) * | 2014-11-11 | 2015-03-18 | 无锡恒富科技有限公司 | The pinch roller elevating mechanism of arbor press |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150218 |