CN206588191U - A kind of channel-section steel bending roll machine - Google Patents
A kind of channel-section steel bending roll machine Download PDFInfo
- Publication number
- CN206588191U CN206588191U CN201720239006.3U CN201720239006U CN206588191U CN 206588191 U CN206588191 U CN 206588191U CN 201720239006 U CN201720239006 U CN 201720239006U CN 206588191 U CN206588191 U CN 206588191U
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- Prior art keywords
- lower compression
- compression roller
- channel
- section steel
- plate
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Abstract
The utility model is related to a kind of channel-section steel roll bending system, more particularly to a kind of channel-section steel bending roll machine, including left plate, right plate, upper pressure roller, the first lower compression roller, the second lower compression roller and drive mechanism, and left plate be arranged in parallel in opposite directions with right plate；Upper pressure roller, the first lower compression roller and the second lower compression roller are rotatably arranged between left plate and right plate respectively；First lower compression roller and the second lower compression roller same level are set；Misplace parallel arrangement above and below upper pressure roller and the first lower compression roller and the second lower compression roller；Drive mechanism is connected with one of upper pressure roller, the first lower compression roller, the second lower compression roller, wherein：Also include with left plate and the vertically disposed upper plate of right plate, be provided with upper plate and be connected with upper pressure roller for the apparatus for adjusting position for adjusting upper pressure roller upper-lower position.Channel-section steel bending roll machine of the present utility model can meet the requirement of the different roll bending angles of channel-section steel, also, simple in construction, and service life is long.
Description
Technical field
The utility model is related to a kind of channel-section steel roll bending system, more particularly to a kind of channel-section steel bending roll machine.
Background technology
Bending roll machine is the equipment according to certain angle roll bending by section bars such as sheet material, round steel, square steel, steel pipes, and channel-section steel is rolled
Bender is then the equipment for being specially adapted for channel-section steel roll bending.Prior art channel-section steel bending roll machine mainly includes falsework, located at falsework
Pressure roller on the workbench of top and axle center is parallel to each other on workbench end face two lower compression rollers and one, upper pressure roller is set
Between two lower compression rollers, wherein upper pressure roller is drive roll, lower compression roller is driven voller, and the reductor that drive roll is driven by motor drives
It is dynamic, detent is provided with drive roll.
From said structure, there are some drawbacks in existing channel-section steel bending roll machine：Upper pressure roller and two lower compression roller relative positions are solid
Determine, therefore the roll bending angle of channel-section steel is relatively fixed, it is impossible to meet the requirement of the different roll bending angles of channel-section steel；It is difficult to ensure that two lower compression rollers
Absolute synchronization operating, cause to bear extra duty in channel-section steel roll bending process；The model for the channel-section steel being applicable is more single, for
The roll bending operation of different model channel-section steel needs more exchange device, inconvenient for use, and channel-section steel roll bending cost is high；Can not be simultaneously to many channel-section steels
Roll bending operation is carried out, production efficiency is relatively low.
Utility model content
The purpose of this utility model is to provide a kind of channel-section steel bending roll machine for meeting the different roll bending angle requirements of channel-section steel.
To achieve these goals, the utility model provide a kind of channel-section steel bending roll machine, including left plate, right plate, on
Pressure roller, the first lower compression roller, the second lower compression roller and drive mechanism, left plate be arranged in parallel in opposite directions with right plate；Upper pressure roller,
One lower compression roller and the second lower compression roller are rotatably arranged between left plate and right plate respectively；First lower compression roller and second
Lower compression roller same level is set；Misplace parallel arrangement above and below upper pressure roller and the first lower compression roller and the second lower compression roller；Drive mechanism with
One of upper pressure roller, the first lower compression roller, second lower compression roller are connected, wherein：Also include set vertical with left plate and right plate
It is provided with and is connected with upper pressure roller for the apparatus for adjusting position for adjusting upper pressure roller upper-lower position on the upper plate put, upper plate.
Further, apparatus for adjusting position includes U-shaped frame, liner plate, handle, stud and nut, wherein：In stud
Between shaft part be machined with motion thread, one end of stud is machined with connection screw thread；Had in U-shaped frame wing plates on two sides and upper pressure roller
The through hole of diameter of axle matching, U-shaped frame is set on upper pressure roller by through hole, and the bottom of U-shaped frame is further opened with wearing for stud end
The through hole crossed；Liner plate center is provided with the screwed hole being engaged with the motion thread of stud, and liner plate passes through upper plate, and with upper top
Plate is fixedly connected；One end that stud is machined with connection screw thread sequentially passes through liner plate and U-shaped frame, and end is positioned by nut, spiral shell
The other end of post is fixedly connected with handle.
Further, channel-section steel bending roll machine also includes lazy-tongs, and lazy-tongs include first gear, second gear and the
Three gears, wherein：First gear is set in the left end of the first lower compression roller, and second gear is rotatably connected on left plate, the 3rd tooth
Wheel is set in the left end of the second lower compression roller, first gear and second gear engaged transmission, and second gear engages biography with the 3rd gear
It is dynamic.
Further, drive mechanism is motor, and is fixedly connected with the first lower compression roller.
Further, drive mechanism also includes handwheel, and handwheel is fixedly connected with the second lower compression roller.
Further, it is arranged with the first lower compression roller relative with the first lower compression roller on multiple moulding stampers, the second lower compression roller
The position answered is arranged with same moulding stamper.
Further, position corresponding with moulding stamper on upper pressure roller is arranged with bearing.
Further, multiple detents are provided with the first lower compression roller and the second lower compression roller, detent is against setting
In the both sides of moulding stamper.
Further, first gear is identical with the modulus of the 3rd gear, the number of teeth is equal.
Further, it is respectively perpendicular the guide groove for offering and being slided up and down for upper pressure roller on left plate and right plate.
Channel-section steel bending roll machine of the present utility model, has the advantages that：
1st, by the setting of apparatus for adjusting position on upper plate and upper plate, the upper-lower position of upper pressure roller can be carried out
Regulation, it is achieved that the relative position between upper pressure roller and the first lower compression roller and the second lower compression roller is adjustable, so as to meet
The requirement of channel-section steel difference roll bending angle.
2nd, the lazy-tongs being made up of first gear, second gear and the 3rd gear, realize the first lower compression roller and
Absolute synchronization operating between two lower compression rollers, it is to avoid bear extra load in channel-section steel roll bending process, it is ensured that the rolling of channel-section steel
Curved quality.
3rd, it is connected lower compression roller as drive roll, and a lower compression roller with motor, another lower compression roller is connected with handwheel, because
This is realized both can also manual actuation with motorized motions so that equipment operation is more flexible.
4th, multiple moulding stampers are provided with the first lower compression roller and the second lower compression roller, moulding stamper model can be identical
Difference, the setting with model forming pressing mold realizes channel-section steel bending roll machine simultaneously many channel-section steels can be carried out with roll bending operations, production
Efficiency high；The setting of different model forming pressing molds realizes the roll bending operation that channel-section steel bending roll machine is applied to different model channel-section steel；Into
Type pressing mold it is replaceable so that channel-section steel bending roll machine is more suitable for actual production application.
5th, position corresponding with moulding stamper is arranged with bearing on upper pressure roller, and channel-section steel can be between bearing and moulding stamper
Realized and advanced using the rotation of the first lower compression roller, the second lower compression roller and bearing, and complete roll bending operation, therefore avoid the
One lower compression roller, the second lower compression roller and upper pressure roller and the extruding contact wear of channel-section steel upper and lower surface, extend making for channel-section steel bending roll machine
Use the life-span.The setting of bearing it also avoid the rotation of pressure roller, so that the skimming wear between pressure roller and U-shaped frame is avoided,
Equally extend the service life of channel-section steel bending roll machine.
6th, channel-section steel bending roll machine structure design of the present utility model is simple, ingenious, applied widely, and production efficiency is high, and
Service life is long, with the stronger market competitiveness.
Brief description of the drawings
, below will be to embodiment for clearer explanation the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it is clear that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of the utility model channel-section steel bending roll machine；
Fig. 2 is the top view of the utility model channel-section steel bending roll machine；
Fig. 3 is the left view of the utility model channel-section steel bending roll machine；
Fig. 4 is the structural representation of the liner plate of the utility model channel-section steel bending roll machine；
Fig. 5 is the structural representation of the stud of the utility model channel-section steel bending roll machine；
Fig. 6 is the structural representation of the U-shaped frame of the utility model channel-section steel bending roll machine；
In figure：1- left plates, 2- right plates, 3- upper plates, the upper pressure rollers of 4-, the lower compression rollers of 5- first, the lower compression rollers of 6- second, 7-
Moulding stamper, 8- detents, 9- bearings, 10-U type frame, 11- liner plates, 12- handles, 13- studs, 14- nuts, the teeth of 15- first
Wheel, 16- second gears, the gears of 17- the 3rd, 18- handwheels
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model embodiment is carried out it is clear,
Complete description, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole implementation
Example.Based on the embodiment in the utility model, those skilled in the art is not on the premise of creative work is made
The all other embodiment obtained, belongs to protection domain of the present utility model.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of channel-section steel bending roll machine of the utility model embodiment, including left plate 1, right plate
2nd, upper pressure roller 4, the first lower compression roller 5, the second lower compression roller 6 and drive mechanism, left plate 1 be arranged in parallel in opposite directions with right plate 2；
Upper pressure roller 4, the first lower compression roller 5 and the second lower compression roller 6 are rotatably arranged between left plate 1 and right plate 2 respectively；First
The same level of 5 and second lower compression roller of lower compression roller 6 is set；The upper lower compression roller 5 of pressure roller 4 and first and the second lower compression roller misplace about 6
Parallel arrangement；Drive mechanism is connected with one of upper pressure roller 4, the first lower compression roller 5, the second lower compression roller 6, wherein：Also include with
It is provided with and is connected with upper pressure roller 4 for adjusting upper pressure on left plate 1 and the vertically disposed upper plate 3 of right plate 2, upper plate 3
The apparatus for adjusting position of the upper-lower position of roller 4.
Specifically, left plate 1 and right plate 2 are mainly used in the carrying and installation of other parts, preferred left plate 1 and
Right plate 2 is structure, shape and the consistent slab construction of size, but should ensure that left plate 1 and the opposite parallel cloth of right plate 2
Postpone with certain bearing capacity and stability；Upper pressure roller 4, the first lower compression roller 5 and the second lower compression roller 6 are cylinder
Roller, those skilled in the art can directly purchase commercially available all kinds of rollers and installed according to the specific running parameter of bending roll machine；
It is preferred that upper pressure roller 4 be arranged on the top in the centre position between the first lower compression roller 5 and the second lower compression roller 6, such equipment operation
It is more steady, and it is easy to the calculating of channel-section steel angle of bend；The two ends of first lower compression roller 5 and the second lower compression roller 6 respectively with a left side
Side plate 1 and right plate 2 are connected by bearing rotary, or can be realized by the cooperation of axle and axis hole the first lower compression roller 5 with
And second lower compression roller 6 it is rotatable；Upper plate 3 is similarly slab construction, is mainly used in the installation of apparatus for adjusting position, upper plate
3 two ends are fixedly connected with left plate 1 and the bolt of right plate 2 respectively, also can realize fixation by welding, three can also pass through
Casting integrated shaping；Apparatus for adjusting position is mounted on upper plate 3, and is connected with upper pressure roller 4, pressure roller 4 in realization
Opposing left plate 1 and right plate 2 it is rotatable, realize that upper pressure roller 4 can be moved up and down with the action of apparatus for adjusting position in addition,
It is achieved thereby that the relative position between the upper lower compression roller 5 of pressure roller 4 and first and the second lower compression roller 6 is adjustable so that this practicality is new
The channel-section steel bending roll machine of type can meet the job requirements of the different roll bending angles of channel-section steel；Drive mechanism be mainly used in driving pressure roller 4,
One of first lower compression roller 5, second lower compression roller 6 rotate, and remaining is driven voller.The utility model to left plate 1, right plate 2,
Upper plate 3, upper pressure roller 4, the material of the first lower compression roller 5 and the second lower compression roller 6 are not specifically limited, and belong to the utility model
Protection domain.
In the embodiment of channel-section steel bending roll machine of the present utility model, as shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, position is adjusted
Regulating device has carried out independent structure design, apparatus for adjusting position mainly include U-shaped frame 10, liner plate 11, handle 12, stud 13, with
And nut 14, wherein：The middle shaft part of stud 13 is machined with motion thread, and one end of stud 13 is machined with connection screw thread；U-shaped frame
The through hole matched with the upper diameter of axle of pressure roller 4 is had in 10 wing plates on two sides, U-shaped frame 10 is set on upper pressure roller 4 by through hole, U
The bottom of type frame 10 is further opened with the through hole passed through for the end of stud 13；The center of liner plate 11 is provided with the motion thread with stud 13
The screwed hole being engaged, liner plate 11 passes through upper plate 3, and is fixedly connected with upper plate 3；Stud 13 is machined with connection screw thread
One end sequentially passes through liner plate 11 and U-shaped frame 10, and end is positioned by nut 14, and the other end of stud 13 is fixed with handle 12 to be connected
Connect.
Specifically, the diameter of axle of the middle shaft part of stud 13 is more than the diameter of axle at two ends, peace of the shaft shoulder to handle 12 and U-shaped frame 10
Put into row positioning；U-shaped frame 10 is set on pressure roller 4, it is achieved thereby that pressure roller 4 can be driven to rise or fall, and is caused
Upper the opposing left plate 1 of pressure roller 4 and right plate 2 are rotatable, the through hole passed for the end of stud 13 opened up on U-shaped frame 10
Diameter is more than the diameter of axle of the end shaft part of stud 13, and less than the diameter of axle of the middle shaft part of stud 13, works as stud so as to realize
13 ends are passed through after U-shaped frame 10, U-shaped frame 10 are carried out by the shaft shoulder of stud 13 spacing, then are fixed by nut 14；Stud
Liner plate 11 is set between 13 and upper plate 3, and liner plate 11 can be projection shape, and dome partially passes through upper plate 3, and boss surrounding is led to
Cross bolt to fix with upper plate 3, being threadedly coupled between liner plate 11 and stud 13 realizes spiral and the decline of stud 13,
Therefore U-shaped frame 10 can be driven to rise or fall, so as to drive pressure roller 4 to move up and down；Handle 12 can have any shape, and be easy to
The rotation of stud 13.It is noted that the concrete structure of apparatus for adjusting position provided here is only one kind of the present utility model
Preferred embodiment, apparatus for adjusting position of the present utility model is not limited to the said structure of the present embodiment, can be by many
Kind of mode realizes the regulatory function to the upper upper-lower position of pressure roller 4, and the mechanical structure with identical function belongs to this practicality newly
Type protection domain, for example, apparatus for adjusting position of the present utility model can also be not provided with liner plate 11, stud 13 directly with upper plate 3
Spiral is connected, to realize spiral and the decline of stud 13；And for example stud 13 in apparatus for adjusting position of the present utility model
Effect also can be by setting vertical turn-screw to realize at the upper two ends of pressure roller 4.
It is preferred that, the guide groove for offering and being slided up and down for upper pressure roller 4 is respectively perpendicular on left plate 1 and right plate 2,
With cause upper pressure roller 4 to move up and down more steady, perpendicularity higher.In addition can also be set in the end of upper pressure roller 4 roller,
Pulley etc. so that the sliding friction between upper pressure roller 4 and chute is changed into rolling friction so that upper pressure roller 4 on move down
It is dynamic more smoothly.
In some embodiments of channel-section steel bending roll machine of the present utility model, as shown in figure 3, also include lazy-tongs, it is synchronous
Mechanism includes first gear 15, the gear 17 of second gear 16 and the 3rd, wherein：First gear 15 is set in the first lower compression roller 5
Left end, second gear 16 is rotatably connected on left plate 1, and the 3rd gear 17 is set in the left end of the second lower compression roller 6, first gear
15 with the engaged transmission of second gear 16, second gear 16 and the engaged transmission of the 3rd gear 17.By setting lazy-tongs, Ke Yibao
The absolute synchronization operating between the first lower compression roller 5 and the second lower compression roller 6 is demonstrate,proved, therefore can avoid bearing volume in channel-section steel roll bending process
Outer load, it is ensured that the roll bending quality of channel-section steel.
Specifically, the left end and the second lower compression roller 6 of the gear 17 of first gear 15 and the 3rd respectively with the first lower compression roller 5
Left end key connection；The protrusion optical axis with the shaft hole matching of second gear 16 is fixedly installed on left plate 1, second gear 16 rotates
It is set on optical axis；First gear 15, the gear 17 of second gear 16 and the 3rd can be arranged in the outside of left plate 1 simultaneously,
The inner side of left plate 1 can also be arranged in simultaneously；First gear 15, the specific modulus of the gear 17 of second gear 16 and the 3rd,
The parameter the utility model such as number of teeth is not specifically limited, and belongs to the utility model protection domain, but should ensure that first gear 15
And the 3rd gear 17 the parameter such as modulus, the number of teeth it is consistent, to ensure that the first lower compression roller 5 and the synchronous of the second lower compression roller 6 revolve
Turn." first " " second " " the 3rd " " left side " " right side " employed in the utility model description etc. is intended merely to the convenience of description, and
It should not be construed the limitation to the utility model substantive content.
Further, drive mechanism is motor, and is fixedly connected with the first lower compression roller 5, it is preferred that drive mechanism also includes
Handwheel 18, handwheel 18 is fixedly connected with the second lower compression roller 6, so as to realize that channel-section steel bending roll machine of the present utility model can drive manually
It is dynamic, also can motor driving, it is easy to operate.
In above-described embodiment of channel-section steel bending roll machine of the present utility model, multiple shaping pressures are arranged with the first lower compression roller 5
6 positions corresponding with the first lower compression roller 5 are arranged with same moulding stamper 7 on mould 7, the second lower compression roller.Each pair of moulding stamper 7
Model may be the same or different, the setting with model forming pressing mold 7 realizes channel-section steel bending roll machine many channel-section steels is carried out simultaneously
Roll bending operation, production efficiency is high；The setting of different model forming pressing molds 7 realizes channel-section steel bending roll machine suitable for different model channel-section steel
Roll bending operation；Moulding stamper 7 is replaceable to be set on the first lower compression roller 5 and the second lower compression roller 6 so that channel-section steel bending roll machine
It is more suitable for actual production application.
Further, multiple determining for the positioning of the wing plate of channel-section steel two are provided with the first lower compression roller 5 and the second lower compression roller 6
Position groove 8, detent 8 is against the both sides located at moulding stamper 7, so as to avoid channel-section steel from being misplaced in roll bending process.
It is more highly preferred to, the position corresponding with moulding stamper is arranged with bearing 9, the internal diameter of bearing 9 and upper pressure on upper pressure roller 4
Roller 4 is interference fitted.Specifically, bearing 9 can be rolling bearing, concrete model the utility model of bearing 9 is not specifically limited,
Those skilled in the art can voluntarily determine according to the diameter of axle of upper pressure roller 4；Channel-section steel utilizes first between bearing 9 and moulding stamper 7
The rotation of lower compression roller 5, the second lower compression roller 6 and bearing 9, which is advanced, completes roll bending operation, so as to avoid the first lower compression roller 5, the
Two lower compression rollers 6 and upper pressure roller 4 extrude contact wear with channel-section steel upper and lower surface, extend the service life of channel-section steel bending roll machine.Together
When, the setting of bearing 9 it also avoid the rotation of pressure roller 4, so that the skimming wear between pressure roller 4 and U-shaped frame 10 is avoided,
Equally extend the service life of channel-section steel bending roll machine.
The utility model is further described by specific embodiment above, it should be understood that, have here
The description of body, should not be construed as the restriction to spirit and scope of the present utility model, and one of ordinary skilled in the art is readding
The various modifications made after reader specification to above-described embodiment, belong to the scope that the utility model is protected.
Claims (10)
1. a kind of channel-section steel bending roll machine, including left plate, right plate, upper pressure roller, the first lower compression roller, the second lower compression roller and driving
Mechanism, the left plate be arranged in parallel in opposite directions with the right plate；The upper pressure roller, the first lower compression roller and described second push
Roller is rotatably arranged between the left plate and the right plate respectively；First lower compression roller and described second push
Roller same level is set；The upper pressure roller is arranged in parallel with being misplaced above and below first lower compression roller and second lower compression roller；Institute
Drive mechanism is stated with one of the upper pressure roller, the first lower compression roller, the second lower compression roller to be connected, it is characterised in that：Also include with
It is provided with and is mutually used in conjunction with the upper pressure roller on the left plate and the vertically disposed upper plate of the right plate, the upper plate
In the apparatus for adjusting position for adjusting the upper pressure roller upper-lower position.
2. channel-section steel bending roll machine according to claim 1, it is characterised in that the apparatus for adjusting position includes U-shaped frame, lining
Plate, handle, stud and nut, wherein：
The middle shaft part of the stud is machined with motion thread, and one end of the stud is machined with connection screw thread；
The through hole matched with the upper pressure roller diameter of axle is had in the U-shaped frame wing plates on two sides, the U-shaped frame passes through described logical
Borehole jack is located on the upper pressure roller, and the bottom of the U-shaped frame is further opened with the through hole passed through for the stud end；
The liner plate center is provided with the screwed hole being engaged with the motion thread of the stud, and the liner plate passes through the upper top
Plate, and be fixedly connected with the upper plate；
One end that the stud is machined with connection screw thread sequentially passes through the liner plate and the U-shaped frame, and end passes through the spiral shell
Mother's positioning, the other end of the stud is fixedly connected with the handle.
3. channel-section steel bending roll machine according to claim 1, it is characterised in that also including lazy-tongs, the lazy-tongs bag
First gear, second gear and the 3rd gear are included, wherein：The first gear is set in the left end of first lower compression roller, institute
Second gear rotatable connection is stated on the left plate, the 3rd gear is set in the left end of second lower compression roller, described
First gear and the second gear engaged transmission, the second gear and the 3rd meshed transmission gear.
4. channel-section steel bending roll machine according to claim 3, it is characterised in that the drive mechanism is motor, and with described the
One lower compression roller is fixedly connected.
5. channel-section steel bending roll machine according to claim 4, it is characterised in that the drive mechanism also includes handwheel, the hand
Wheel is fixedly connected with second lower compression roller.
6. channel-section steel bending roll machine according to claim 5, it is characterised in that be arranged with multiple shapings on first lower compression roller
The position corresponding with first lower compression roller is arranged with same moulding stamper on pressing mold, second lower compression roller.
7. channel-section steel bending roll machine according to claim 6, it is characterised in that relative with the moulding stamper on the upper pressure roller
The position answered is arranged with bearing.
8. channel-section steel bending roll machine according to claim 6, it is characterised in that on first lower compression roller and the second lower compression roller
It is provided with multiple detents, the detent is against the both sides located at the moulding stamper.
9. channel-section steel bending roll machine according to claim 3, it is characterised in that the first gear and the mould of the 3rd gear
The identical, number of teeth of number is equal.
10. the channel-section steel bending roll machine according to any one of claim 1-9, it is characterised in that the left plate and described
The guide groove for offering and being slided up and down for the upper pressure roller is respectively perpendicular on right plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720239006.3U CN206588191U (en) | 2017-03-13 | 2017-03-13 | A kind of channel-section steel bending roll machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720239006.3U CN206588191U (en) | 2017-03-13 | 2017-03-13 | A kind of channel-section steel bending roll machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206588191U true CN206588191U (en) | 2017-10-27 |
Family
ID=60123780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720239006.3U Expired - Fee Related CN206588191U (en) | 2017-03-13 | 2017-03-13 | A kind of channel-section steel bending roll machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206588191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694652A (en) * | 2017-03-13 | 2017-05-24 | 唐山宏正机械设备有限公司 | Channel steel roll bending machine |
-
2017
- 2017-03-13 CN CN201720239006.3U patent/CN206588191U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694652A (en) * | 2017-03-13 | 2017-05-24 | 唐山宏正机械设备有限公司 | Channel steel roll bending machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 |