CN203830470U - Auxiliary bolt straightening device - Google Patents
Auxiliary bolt straightening device Download PDFInfo
- Publication number
- CN203830470U CN203830470U CN201420154749.7U CN201420154749U CN203830470U CN 203830470 U CN203830470 U CN 203830470U CN 201420154749 U CN201420154749 U CN 201420154749U CN 203830470 U CN203830470 U CN 203830470U
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- China
- Prior art keywords
- wheel
- straightening
- wheels
- bolt
- fast pulley
- 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.)
- Expired - Lifetime
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- 238000005096 rolling process Methods 0.000 claims description 13
- 230000013011 mating Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model discloses an auxiliary bolt straightening device. The auxiliary bolt straightening device comprises a box, a motor, a groove track, a drive shaft, a bracket, an ejector rod, fixed wheels, straightening wheels, a bolt, a supporting wheel, a supporting wheel seat, a driven shaft and a driven wheel, wherein a straightening platform is arranged on the upper plane of the box; a left roller group is assembled on the left side of the straightening platform; a right roller group is assembled on the right side of the straightening platform; the groove track is arranged in the middle of the straightening platform; a supporting roller group is assembled on the groove track between the left roller group and the right roller group; a limiter and the supporting roller group are assembled together in the groove track; the left roller group consists of the drive shaft, fixed wheels L and straightening wheels L; the right roller group consists of the driven shaft, fixed wheels R and straightening wheels R; the supporting roller group consists of the supporting wheel and the supporting wheel seat; the limiter consists of the bracket and the ejector rod. According to the auxiliary bolt straightening device, the straightening effect is ensured, displacement is avoided, the product quality is guaranteed, and the production efficiency is improved.
Description
Technical field
The utility model relates to a kind of securing member production and processing technical equipment field, particularly a kind of bolt alignment assisting device.
Background technology
In mechanical association area, large multi-work piece must just can be processed or use after alignment, and therefore, alignment is a quite general thing.Axle, component of rod category can produce flexural deformation in heat treatment process, need subsequent handling to carry out alignment to it, are to use oil pressure lathe for the alignment of larger part, and alignment operating efficiency is lower; For relatively undersize part of bolt class, due to production and processing enormous amount, be generally to adopt roll-type straightener.
The process of manufacture of bolt is: milling round steel is processed into bolt blank through cold headers, the screw thread that completes bolt blank by hinge silk machine is again processed, bolt blank is to complete processing by multi-locating automatic cold forging machine, bolt blank is heat-treated, described bolt blank is after heat treatment step, can cause bolt distortion in various degree, so need roll-type straightener to carry out alignment; The deficiency that prior art exists is: existing straightener is carrying out in alignment process the bolt of different length, and bolt is moved in aligning mechanism, makes alignment effect bad, and bolt is difficult to obtain completely alignment, thereby affects product quality, and production efficiency is low.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of bolt alignment assisting device, the mesopodium existing for roll-type straightener in prior art, design is assemblied in the servicing unit on straightener, optimize structure, guarantee the alignment effect of roll-type straightener to bolt, avoid bolt to be shifted in alignment process, ensure product quality, enhance productivity.
Because bolt after heat treatment exists bending, can cause that by bearing element it moves forward and backward, thereby not reach alignment effect.This novel being fixed on straightener, when bolt move encounter push rod just stop mobile, then after just can push and make bolt reach alignment effect by each roller.
For achieving the above object, the technical solution of the utility model is as follows: a kind of bolt alignment assisting device, comprise casing, motor, grooved rail, driving shaft, support, push rod, fast pulley L, straightening-wheel L, bolt, support wheel, support wheel base, fast pulley R, straightening-wheel R, driven shaft, fixed screw and drive, it is characterized in that:
Described bolt alignment assisting device is made up of the wheels that roll left, right roller set, back-up roller wheels and stop; On described casing, plane is alignment platform, described left wheel assembling is assigned in alignment platform left side, described right roller set is assemblied in alignment platform right side, in the middle of described alignment platform, be provided with grooved rail, the assembling of described back-up roller is assigned in rolls left between wheels and right roller set on grooved rail, and described stop and back-up roller wheels are assemblied in grooved rail jointly; The described wheels that roll left are made up of driving shaft, fast pulley L, straightening-wheel L, described driving shaft is fixed on box frame by bearing, described fast pulley L and straightening-wheel L are socketed on described driving shaft, described driving shaft is connected with motor-driven, and described driving shaft drives the whole wheels rotation of rolling left to carry out alignment campaign under described motor drives; Described right roller set is made up of driven shaft, fast pulley R, straightening-wheel R, described driven shaft is fixed on box frame by bearing, described fast pulley R and straightening-wheel R are socketed on described driven shaft, and described driven shaft drives whole right roller set rotation to carry out alignment campaign under drive drives; Described motor and described drive are by worm gear, worm drive, and synchronously connection; Described back-up roller wheels are made up of support wheel and support wheel base, described support wheel and support wheel base socket, and described support wheel freely rotates without driving on described support wheel base, and described back-up roller wheels are fastened in described grooved rail by fixed screw; Described stop is made up of support and push rod, and described support is vertical with push rod to be spirally connected, and described stop is arranged at one end of described grooved rail, and described support is fastened in described grooved rail by fixed screw; Described bolt is placed in the space that the wheels that roll left, right roller set and back-up roller group form, by rolling left, wheels and right roller set clamp, support wheels support, described bolt and described stop push rod coaxially arrange, described stop push rod has limited the shift position of described bolt, under the rotating Vortex of left wheel group and right rolling wheels, described bolt is by effectively alignment.
On the driving shaft of the described wheels that roll left, fixed cover is connected to multiple fast pulley L and straightening-wheel L, each described straightening-wheel L grips and is socketed on described driving shaft by the fast pulley L described in two, described fast pulley L external diameter is less than described straightening-wheel L, between described adjacent fast pulley L, retain certain distance, so that straightening-wheel R and support wheel in right roller set are interconnected; On the driving shaft of the described wheels that roll left, at least fixed cover is connected to 3 straightening-wheel L and 6 fast pulley L.
On the driven shaft of described right roller set, fixed cover is connected to multiple fast pulley R and straightening-wheel R, each described straightening-wheel R grips and is socketed on described driven shaft by the fast pulley R described in two, described fast pulley R external diameter is less than described straightening-wheel R, between described adjacent fast pulley R, retain certain distance, so that the straightening-wheel L and the support wheel that roll left in wheels are interconnected; On the driven shaft of described right roller set, at least fixed cover is connected to 2 straightening-wheel R and 4 fast pulley R.
Described fast pulley L and the measure-alike setting of fast pulley R, described straightening-wheel L and the measure-alike setting of straightening-wheel R; On described casing, be provided with external diameter precision adjusting sleeve, can regulate the spacing between driving shaft and driven shaft, thereby be adapted to the bolt alignment operation needs of different-diameter; By adjusting the spacing of described driving shaft and driven shaft, ensure that described bolt center line is positioned at straightening-wheel L and below the straightening-wheel R axle line of centres, described like this bolt will be locked, and prevents from being ejected in rolling process by alignment bolt.
Described back-up roller group is at least provided with 4 groups, described back-up roller group independently arranges separately, be assemblied in described grooved rail by fixed screw respectively, described support wheel is assemblied between the distance that roll left wheels and right roller set retain, the wheel rim of described support wheel is lower than the center line of straightening-wheel L and straightening-wheel R, each described support wheel height is consistent, so that guarantee to be kept level by alignment bolt, reduces the wearing and tearing in bolt alignment process; Each described support wheel base is provided with the structure of mating with grooved rail, and is individually fixed in described grooved rail by fixed screw.
Described stop is arranged at one end of described grooved rail, described support upper end is vertical with push rod to be spirally connected, so described push rod can be adjusted length on request, thereby can adjust effective alignment space of bolt, make bolt in by alignment process, keep limited displacement, realize alignment operation effectively and fully; Described frame bottom and described grooved rail connect, and are fixedly connected with described grooved rail by fixed screw, and therefore the position of described stop in grooved rail can regulate.
Described grooved rail is the rectangular groove that interior side Tu-shaped structure, outside are rectangle, and the frame bottom structure matching of described interior type groove and described support wheel base and stop arranges.
Described bolt is positioned on the support wheel between straightening-wheel L, straightening-wheel R, under the driving of described motor, straightening-wheel L and straightening-wheel R do rotating Vortex, and drive bolt to rotate, described bolt further drives support wheel rotation, described alignment wheel rim contacts described bolt out-of-flatness face, and bolt out-of-flatness face is pushed, thereby bolt is carried out to alignment operation; In alignment process, wheels and the right roller set of rolling left can regularly be tightened up and loosen operation, constantly the bolt in rotation is applied to rotational pressure, and make described bolt by further alignment, the tightening up and loosen in process of roll left wheels and right roller set, described bolt can move forward and backward position in rotary rolling, under the control of described stop, can guarantee that described bolt moves in limited distance, and by effectively fully alignment.Described bolt head one end is positioned over operating surface one end, after bolt is by effective alignment, replaces new bolt and re-starts alignment.
Pass through technique scheme, the beneficial effect of technical solutions of the utility model is: adopt the servicing unit of stop and support wheel base, guarantee the alignment effect of roll-type straightener to bolt, avoid bolt to be shifted in alignment process, ensure product quality, enhance productivity.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed a kind of bolt alignment assisting device structural representation of the utility model embodiment, and wherein Fig. 1 a is front view, and Fig. 1 b is left view, and Fig. 1 c is top view;
Fig. 2 is the disclosed a kind of bolt alignment assisting device stop structural representation of the utility model embodiment, and wherein Fig. 2 a is front view, and Fig. 2 b is left view, and Fig. 2 c is top view;
Fig. 3 is the disclosed a kind of bolt alignment assisting device support wheel base structural representation of the utility model embodiment, and wherein Fig. 3 a is front view, and Fig. 3 b is left view, and Fig. 3 c is top view;
Fig. 4 is the disclosed a kind of bolt alignment assisting device grooved rail structural representation of the utility model embodiment, wherein Fig. 4 a front view, and Fig. 4 b is left view, Fig. 4 c is top view.
Numeral and the represented corresponding component title of letter in figure:
1. casing 2. motor 3. grooved rail 4. driving shafts
5. support 6. push rod 7. fast pulley L 8. straightening-wheel L
9. bolt 10. support wheel 11. support wheel base 12. fast pulley R
13. straightening-wheel R 14. driven shaft 15. fixed screw 16. drives
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
According to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model provides a kind of bolt alignment assisting device, comprises casing 1, motor 2, grooved rail 3, driving shaft 4, support 5, push rod 6, fast pulley L7, straightening-wheel L8, bolt 9, support wheel 10, support wheel base 11, fast pulley R12, straightening-wheel R13, driven shaft 14, fixed screw 15 and drive 16.
Described bolt alignment assisting device is made up of the wheels that roll left, right roller set, back-up roller wheels and stop; On described casing 1, plane is alignment platform, described left wheel assembling is assigned in alignment platform left side, described right roller set is assemblied in alignment platform right side, in the middle of described alignment platform, be provided with grooved rail 3, the assembling of described back-up roller is assigned in rolls left between wheels and right roller set on grooved rail 3, and described stop and back-up roller wheels are assemblied in grooved rail 3 jointly; The described wheels that roll left are made up of driving shaft 4, fast pulley L7, straightening-wheel L8, described driving shaft 4 is fixed on 1 of casing by bearing, described fast pulley L7 and straightening-wheel L8 are socketed on described driving shaft 4, described driving shaft 4 is in transmission connection with motor 2, and described driving shaft 4 drives the whole wheels rotation of rolling left to carry out alignment campaign under described motor 2 drives; Described right roller set is made up of driven shaft 14, fast pulley R12, straightening-wheel R13, described driven shaft 14 is fixed on 1 of casing by bearing, described fast pulley R12 and straightening-wheel R13 are socketed on described driven shaft, and described driven shaft 14 drives whole right roller set rotation to carry out alignment campaign under drive drives; Described motor 2 passes through worm gear, worm drive with described drive 16, and synchronously connects; Described back-up roller wheels are made up of support wheel 10 and support wheel base 11, described support wheel 10 is socketed with support wheel base 11, described support wheel 10 freely rotates without driving on described support wheel base 11, and described back-up roller wheels are fastened in described grooved rail 3 by fixed screw 15; Described stop is made up of support 5 and push rod 6, and described support 5 is vertical with push rod 6 to be spirally connected, and described stop is arranged at one end of described grooved rail 3, and described support 5 is fastened in described grooved rail 3 by fixed screw 15; Described bolt 9 is placed in the space that the wheels that roll left, right roller set and back-up roller group form, by rolling left, wheels and right roller set clamp, support wheels support, described bolt 9 coaxially arranges with described stop push rod 6, described stop push rod 6 has limited the shift position of described bolt 9, under the rotating Vortex of left wheel group and right rolling wheels, described bolt 9 is by effectively alignment.
On the driving shaft 4 of the described wheels that roll left, fixed cover is connected to multiple fast pulley L7 and straightening-wheel L8, each described straightening-wheel L8 grips and is socketed on described driving shaft 4 by the fast pulley L7 described in two, described fast pulley L7 external diameter is less than described straightening-wheel L8, between described adjacent fast pulley L7, retain certain distance, so that the straightening-wheel R13 in right roller set and support wheel 10 are interconnected; On the driving shaft 4 of the described wheels that roll left, at least fixed cover is connected to 3 straightening-wheel L8 and 6 fast pulley L7.
On the driven shaft 14 of described right roller set, fixed cover is connected to multiple fast pulley R12 and straightening-wheel R13, each described straightening-wheel R13 grips and is socketed on described driven shaft 14 by the fast pulley R12 described in two, described fast pulley R12 external diameter is less than described straightening-wheel R13, between described adjacent fast pulley R12, retain certain distance, so that the straightening-wheel L8 and the support wheel that roll left in wheels are interconnected; On the driven shaft 14 of described right roller set, at least fixed cover is connected to 2 straightening-wheel R13 and 4 fast pulley R12.
Described fast pulley L7 and the measure-alike setting of fast pulley R12, described straightening-wheel L8 and the measure-alike setting of straightening-wheel R13; On described casing 1, be provided with external diameter precision adjusting sleeve, can regulate the spacing between driving shaft 4 and driven shaft 14, thereby be adapted to the bolt 9 alignment operation needs of different-diameter; By adjusting the spacing of described driving shaft 4 and driven shaft 14, ensure that described bolt 9 center lines are positioned at straightening-wheel L8 and below the straightening-wheel R13 axle line of centres, described like this bolt 9 will be locked, and prevents from being ejected in rolling process by alignment bolt 9.
Described back-up roller group is at least provided with 4 groups, described back-up roller group independently arranges separately, be assemblied in described grooved rail 3 by fixed screw 15 respectively, described support wheel 10 is assemblied between the distance that roll left wheels and right roller set retain, the wheel rim of described support wheel 10 is lower than the center line of straightening-wheel L8 and straightening-wheel R13, each described support wheel 10 is highly consistent, so that guarantee to be kept level by alignment bolt 9, reduces the wearing and tearing in bolt 9 alignment process; Each described support wheel base 11 is provided with the structure of mating with grooved rail 3, and is individually fixed in described grooved rail 3 by fixed screw 15.
Described stop is arranged at one end of described grooved rail 3, be spirally connected vertical with push rod 6 of described support 5 upper ends, so described push rod 6 can be adjusted length on request, thereby can adjust effective alignment space of bolt 9, make bolt 9 in by alignment process, keep limited displacement, realize alignment operation effectively and fully; Described support 5 bottoms and described grooved rail 3 connect, and are fixedly connected with described grooved rail 3 by fixed screw 15, and therefore the position of described stop in grooved rail 3 can regulate.
The rectangular groove that described grooved rail 3 is rectangle for interior side Tu-shaped structure, outside, described interior type groove mates setting with described support wheel base 11 and support 5 polycrystalline substances of stop.
Described bolt 9 is positioned on the support wheel 10 between straightening-wheel L8, straightening-wheel R13, under the driving of described motor 2, straightening-wheel L8 and straightening-wheel R13 do rotating Vortex, and drive bolt 9 to rotate, described bolt 9 further drives support wheel 10 to rotate, the wheel rim of described straightening-wheel (L8, R13) contacts described bolt 9 out-of-flatness faces, and bolt 9 out-of-flatness faces are pushed, thereby bolt 9 is carried out to alignment operation; In alignment process, wheels and the right roller set of rolling left can regularly be tightened up and loosen operation, constantly the bolt 9 in rotation is applied to rotational pressure, and make described bolt 9 by further alignment, the tightening up and loosen in process of roll left wheels and right roller set, described bolt 9 can move forward and backward position in rotary rolling, under the control of described stop, can guarantee that described bolt 9 moves in limited distance, and by effectively fully alignment.Described bolt 9 head ends are positioned over operating surface one side, after bolt 9 is by effective alignment, replaces new bolt 9 and re-start alignment.
By above-mentioned specific embodiment, the beneficial effects of the utility model are: adopt the servicing unit of stop and support wheel base, guarantee the alignment effect of roll-type straightener to bolt, avoid bolt to be shifted in alignment process, ensure product quality, enhance productivity.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a bolt alignment assisting device, it is characterized in that, comprise casing, motor, grooved rail, driving shaft, support, push rod, fast pulley L, straightening-wheel L, bolt, support wheel, support wheel base, fast pulley R, straightening-wheel R, driven shaft, fixed screw and drive; Described bolt alignment assisting device is made up of the wheels that roll left, right roller set, back-up roller wheels and stop; On described casing, plane is alignment platform, described left wheel assembling is assigned in alignment platform left side, described right roller set is assemblied in alignment platform right side, in the middle of described alignment platform, be provided with grooved rail, the assembling of described back-up roller is assigned in rolls left between wheels and right roller set on grooved rail, and described stop and back-up roller wheels are assemblied in grooved rail jointly; The described wheels that roll left are made up of driving shaft, fast pulley L, straightening-wheel L, described driving shaft is fixed on box frame by bearing, described fast pulley L and straightening-wheel L are socketed on described driving shaft, described driving shaft is connected with motor-driven, and described driving shaft drives the whole wheels rotation of rolling left to carry out alignment campaign under described motor drives; Described right roller set is made up of driven shaft, fast pulley R, straightening-wheel R, described driven shaft is fixed on box frame by bearing, described fast pulley R and straightening-wheel R are socketed on described driven shaft, and described driven shaft drives whole right roller set rotation to carry out alignment campaign under drive drives; Described motor and described drive are by worm gear, worm drive, and synchronously connection; Described back-up roller wheels are made up of support wheel and support wheel base, described support wheel and support wheel base socket, and described support wheel freely rotates without driving on described support wheel base, and described back-up roller wheels are fastened in described grooved rail by fixed screw; Described stop is made up of support and push rod, and described support is vertical with push rod to be spirally connected, and described stop is arranged at one end of described grooved rail, and described support is fastened in described grooved rail by fixed screw; Described bolt is placed in the space that the wheels that roll left, right roller set and back-up roller group form, and is clamped by roll left wheels and right roller set, supports wheels and supports, and described bolt and described stop push rod coaxially arrange.
2. a kind of bolt alignment assisting device according to claim 1, it is characterized in that, on the driving shaft of the described wheels that roll left, fixed cover is connected to multiple fast pulley L and straightening-wheel L, each described straightening-wheel L grips and is socketed on described driving shaft by the fast pulley L described in two, described fast pulley L external diameter is less than described straightening-wheel L, between described adjacent fast pulley L, retain certain distance, so that straightening-wheel R and support wheel in right roller set are interconnected; On the driving shaft of the described wheels that roll left, at least fixed cover is connected to 3 straightening-wheel L and 6 fast pulley L.
3. a kind of bolt alignment assisting device according to claim 1, it is characterized in that, on the driven shaft of described right roller set, fixed cover is connected to multiple fast pulley R and straightening-wheel R, each described straightening-wheel R grips and is socketed on described driven shaft by the fast pulley R described in two, described fast pulley R external diameter is less than described straightening-wheel R, between described adjacent fast pulley R, retain certain distance, so that the straightening-wheel L and the support wheel that roll left in wheels are interconnected; On the driven shaft of described right roller set, at least fixed cover is connected to 2 straightening-wheel R and 4 fast pulley R.
4. a kind of bolt alignment assisting device according to claim 1, is characterized in that, described fast pulley L and the measure-alike setting of fast pulley R, described straightening-wheel L and the measure-alike setting of straightening-wheel R.
5. a kind of bolt alignment assisting device according to claim 1, it is characterized in that, described back-up roller group is at least provided with 4 groups, described back-up roller group independently arranges separately, be assemblied in described grooved rail by fixed screw respectively, described support wheel is assemblied between the distance that roll left wheels and right roller set retain, and the wheel rim of described support wheel is lower than the center line of straightening-wheel L and straightening-wheel R, and each described support wheel height is consistent; Each described support wheel base is provided with the structure of mating with grooved rail, and is individually fixed in described grooved rail by fixed screw.
6. a kind of bolt alignment assisting device according to claim 1, it is characterized in that, described stop is arranged at one end of described grooved rail, and described support upper end is vertical with push rod to be spirally connected, so described push rod can be adjusted length on request, thereby can adjust effective alignment space of bolt; Described frame bottom and described grooved rail connect, and are fixedly connected with described grooved rail by fixed screw, and therefore the position of described stop in grooved rail can regulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420154749.7U CN203830470U (en) | 2014-04-01 | 2014-04-01 | Auxiliary bolt straightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420154749.7U CN203830470U (en) | 2014-04-01 | 2014-04-01 | Auxiliary bolt straightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203830470U true CN203830470U (en) | 2014-09-17 |
Family
ID=51508361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420154749.7U Expired - Lifetime CN203830470U (en) | 2014-04-01 | 2014-04-01 | Auxiliary bolt straightening device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203830470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935017A (en) * | 2021-04-07 | 2021-06-11 | 潍坊通达齿轮箱有限责任公司 | Hydraulic rolling straightening machine tool |
-
2014
- 2014-04-01 CN CN201420154749.7U patent/CN203830470U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935017A (en) * | 2021-04-07 | 2021-06-11 | 潍坊通达齿轮箱有限责任公司 | Hydraulic rolling straightening machine tool |
| CN112935017B (en) * | 2021-04-07 | 2024-05-31 | 潍坊通达齿轮箱有限责任公司 | Hydraulic rolling straightening machine tool |
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Granted publication date: 20140917 |