CN210995959U - Fixing device for upper and lower roll shafts of four-roll bending machine - Google Patents
Fixing device for upper and lower roll shafts of four-roll bending machine Download PDFInfo
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- CN210995959U CN210995959U CN201921180718.8U CN201921180718U CN210995959U CN 210995959 U CN210995959 U CN 210995959U CN 201921180718 U CN201921180718 U CN 201921180718U CN 210995959 U CN210995959 U CN 210995959U
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- shaft
- roll
- roller
- fixedly connected
- fixing device
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Abstract
The utility model discloses a fixing device for upper and lower roll shafts of a four-roll bending machine, which belongs to the technical field of the bending machine, and has the technical proposal that the fixing device comprises a frame, an upper shaft and a lower shaft, wherein the upper shaft and the lower shaft are positioned inside the frame, the upper shaft is positioned above the lower shaft, the left ends of the upper shaft and the lower shaft are respectively provided with the upper roll shaft and the lower roll shaft, the upper roll shaft is positioned above the lower roll shaft, the outer side walls of the upper shaft and the lower shaft are provided with a fixing device, two bearings which are symmetrically distributed up and down are arranged inside the fixing device, the centers of the upper roll shaft and the lower roll shaft are always kept consistent when the fixing device rolls a section bar and pre-bends the section bar by connecting the fixing device together, adjusting screw rods arranged at the upper end and the lower end of the fixing device are adjusted according to the central distance of the upper roll shaft and the lower roll shaft, so that the central distance between the two bearings in the fixing device and the central, thereby improving the rolling precision of the section bar and ensuring the flatness of the rolled section bar.
Description
Technical Field
The utility model relates to a type bender technical field, in particular to roller securing device about four roller type benders.
Background
The section bender is mainly used for rolling angle iron, channel steel, flat steel, round pipe, square pipe section steel and section steel, the existing four-roller type bender is far higher than a three-roller type bender in the aspect of material forming precision compared with the three-roller type bender, which is also the reason that most of clients accept the four-roller type bender, along with the continuous improvement of section processing requirements, the four-roller type bender has been used in many occasions, and comprises an upper roller, a lower roller, two side rollers, an upper roller die, a lower roller die and side roller dies, wherein a lower shaft die is arranged below the upper shaft in parallel with the upper shaft, a lower roller cylinder is arranged below the lower shaft die, the two sides of the lower shaft are respectively provided with the side roller die, the lower roller cylinder is arranged below the side shaft die, all actions of the lower roller cylinder are controlled by an electric system, the controllability is good in the rolling process, the precision of a product workpiece is favorably improved, the residual straight edge of the product workpiece is smaller, and simultaneously, it can also roll special-shaped materials, and expand the variety of rolled section bars.
But the upper roll shaft and the lower roll shaft of the existing four-roll bending machine are not provided with a stabilizing device to fix the upper roll shaft and the lower roll shaft, so that the sectional material is easy to fold when being rolled, and the rolling precision is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a roller securing device about four roller type benders, it does not set up securing device and fixes last roller and lower roller to aim at solving current four roller type benders to roll up the roller about to make the section bar roll up and make the easy problem of folding down, and the precision of rolling up is low.
The utility model is realized in such a way that the fixing device for the upper and lower roll shafts of the four-roll bending machine comprises a frame, an upper shaft and a lower shaft, the upper shaft and the lower shaft are positioned in the frame, the upper shaft is positioned above the lower shaft, the left ends of the upper shaft and the lower shaft are respectively provided with an upper roll shaft and a lower roll shaft, the upper roll shaft is positioned above the lower roll shaft, the outer side walls of the upper shaft and the lower shaft are provided with stabilizing devices, the fixing device is characterized in that two bearings which are symmetrically distributed up and down are arranged inside the fixing device, the fixing device is movably connected with the upper roller shaft and the lower roller shaft through bearings, two bearing blocking seats are fixedly connected to one sides of the two opposite sides of the bearings, two guide blocks are fixedly connected to one ends, far away from the bearings, of the bearing blocking seats, two adjusting screw rods are fixedly connected to one ends, far away from the bearing blocking seats, of the guide blocks, and the two adjusting screw rods penetrate through the upper end and the lower end of the fixing device and extend to the outside of the fixing device.
Roll up the system to the section bar in order to rotate when through last roller and lower roller, conduct the utility model relates to a roller securing device is preferred about four roller type benders, the coaxial hydraulic motor of right-hand member fixedly connected with upper shaft of upper shaft, the coaxial hydraulic motor of right-hand member fixedly connected with lower shaft of lower shaft, the coaxial hydraulic motor of upper shaft is located the coaxial hydraulic motor's of lower shaft top.
In order to roll up the system for the convenience to the section bar, as the utility model relates to a roller securing device is preferred about four roller type benders, the below swing joint of lower axle has the lower axle hydro-cylinder, the below fixedly connected with bracing piece of lower axle hydro-cylinder, the lower extreme of bracing piece and the inside bottom fixed connection of frame.
In order to roll up the system to the section bar, as the utility model relates to a roller securing device is preferred about four roller type benders, the inside of frame is provided with two side shafts, two the side shaft is located the oblique below in the left and right sides of upper shaft, two the below swing joint of side shaft has the side shaft hydro-cylinder.
In order to fix the side shaft hydro-cylinder, as the utility model relates to a roller securing device is preferred about four roller type benders, two the bottom swing joint of side shaft hydro-cylinder has the fixed plate, two the lower terminal surface of fixed plate all with the inside bottom fixed connection of frame and about bracing piece symmetric distribution, two one side fixedly connected with dead lever that the fixed plate carried on the back mutually, the lower extreme of dead lever and the inside bottom fixed connection of frame.
In order to prevent the section bar at the crooked in-process of rolling up the system of folding, conduct the utility model relates to a roller securing device is preferred about four roller type benders, the inside of frame is provided with left bearing roller and right bearing roller, left side bearing roller and right bearing roller are located the left and right sides of upper shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the fixing device for the upper and lower roll shafts of the four-roll bending machine is characterized in that two bearings which are symmetrically distributed up and down are arranged inside the fixing device, one sides of the two bearings which are opposite to each other are fixedly connected with bearing baffle seats, one ends of the two bearing baffle seats, which are far away from the bearings, are fixedly connected with guide blocks, one ends of the two guide blocks, which are far away from the bearing baffle seats, are fixedly connected with adjusting screw rods, the centers of the upper roll shaft and the lower roll shaft are always kept consistent when the fixing device rolls and pre-bends a section bar by connecting the fixing device for the upper roll shaft and the lower roll shaft together, the adjusting screw rods arranged at the upper end and the lower end of the fixing device are adjusted according to the center distance of the upper roll shaft and the lower roll shaft, the center distance between the two bearings in the fixing device and the center distance of the upper roll shaft and the lower roll shaft are on the same horizontal line, so that, the effect of improving the section bar rolling precision is achieved.
2. The utility model provides a four roller type bending machine is roller securing device from top to bottom, the coaxial hydraulic motor of upper shaft of right-hand member fixedly connected with upper shaft of upper shaft, the coaxial hydraulic motor of right-hand member fixedly connected with lower shaft of lower shaft, the coaxial hydraulic motor of upper shaft is located the coaxial hydraulic motor's of lower shaft top, through setting up the coaxial hydraulic motor of upper shaft, make the start-up of the coaxial hydraulic motor of upper shaft drive the upper shaft and rotate, thereby drive the left last roller of upper shaft and rotate, roll up the section bar, through setting up the coaxial hydraulic motor of lower shaft, make the start-up of the coaxial hydraulic motor of lower shaft drive the lower shaft and rotate, thereby drive the left lower roller of lower shaft and rotate, roll up the section bar, the effect of rolling up the section bar has been reached through the rotation in the time.
3. This kind of roll axle securing device about four roller type benders, the inside of frame is provided with two side shafts, and two side shafts are located the oblique below in the left and right sides of upper shaft, and the below swing joint of two side shafts has the side shaft hydro-cylinder, through setting up two side shafts, makes the start-up of the side shaft hydro-cylinder that the below of two side shafts set up drive two side shafts and rotate, rotates when two side shafts and rolls up the system to the equidirectional book of section bar to the effect of rolling up the section bar has been reached.
Drawings
FIG. 1 is an overall structure diagram of a four-roll bending machine upper and lower roll shaft stabilizing device of the present invention;
FIG. 2 is a sectional structure view of the upper shaft and the lower shaft of the present invention;
FIG. 3 is a drawing showing the connection structure of the upper shaft and the lower shaft with the fixing device according to the present invention;
FIG. 4 is a structural view of the fixing device of the present invention;
in the figure, 1, an upper shaft; 101. an upper shaft coaxial hydraulic motor; 102. an upper roll shaft; 2. a lower shaft; 201. a lower shaft coaxial hydraulic motor; 202. a lower shaft oil cylinder; 203. a lower roll shaft; 3. a side shaft; 301. a side shaft oil cylinder; 3011. a fixing plate; 3012. fixing the rod; 4. a left idler; 401. a right idler; 5. a securing device; 501. adjusting the screw rod; 502. a guide block; 503. a bearing; 5031. a bearing block seat; 6. a frame; 601. a support rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides a technical solution: a fixing device for upper and lower roll shafts of a four-roll bending machine comprises a frame 6, the fixing device comprises an upper shaft 1 and a lower shaft 2, wherein the upper shaft 1 and the lower shaft 2 are positioned inside a rack 6, the upper shaft 1 is positioned above the lower shaft 2, an upper roller shaft 102 and a lower roller shaft 203 are respectively arranged at the left ends of the upper shaft 1 and the lower shaft 2, the upper roller shaft 102 is positioned above the lower roller shaft 203, a stabilizing device 5 is arranged on the outer side walls of the upper shaft 1 and the lower shaft 2, two bearings 503 which are distributed up and down symmetrically are arranged inside the stabilizing device 5, the stabilizing device 5 is movably connected with the upper roller shaft 102 and the lower roller shaft 203 through the bearings 503, bearing blocking seats 5031 are fixedly connected to one sides of the two bearings 503 which are opposite to each other, guide blocks 502 are fixedly connected to one ends of the two bearing blocking seats 5031 which are far away from the bearings 503, adjusting screws 501 are fixedly connected to one ends of the two guide blocks 502 which are far away from the bearing blocking seats 5031.
In this embodiment: through linking together last roller 102 and lower roller 203 with securing device 5, the center of going up roller 102 and lower roller 203 remains the unanimity throughout when making securing device 5 roll up the section bar and pre-bending, adjust the adjusting screw 501 that securing device 5 both ends set up about according to the size of going up roller 102 and lower roller 203 centre-to-centre spacing, the centre-to-centre spacing between two bearings 503 and the centre-to-centre spacing of going up roller 102 and lower roller 203 are on same water flat line in messenger securing device 5, thereby the roll up precision of section bar has been improved, the roughness after the section bar is rolled up has been guaranteed, the effect of improving the section bar and roll up the precision has been reached.
Specifically, the right end of the upper shaft 1 is fixedly connected with an upper shaft coaxial hydraulic motor 101, the right end of the lower shaft 2 is fixedly connected with a lower shaft coaxial hydraulic motor 201, and the upper shaft coaxial hydraulic motor 101 is positioned above the lower shaft coaxial hydraulic motor 201.
In this embodiment: the types of the upper-shaft coaxial hydraulic motor 101 and the lower-shaft coaxial hydraulic motor 201 are as follows: NHM6-600, through setting up the coaxial hydraulic motor 101 of upper shaft, make the start-up of the coaxial hydraulic motor 101 of upper shaft drive the upper shaft 1 and rotate, thereby drive the left last roller 102 of upper shaft 1 and rotate, roll up the section bar, through setting up the coaxial hydraulic motor 201 of lower shaft, make the start-up of the coaxial hydraulic motor 201 of lower shaft drive lower shaft 2 and rotate, thereby drive the left lower roller 203 of lower shaft 2 and rotate, advance to roll up the section bar and make, reached and rotated the effect of rolling up the section bar through last roller 102 and lower roller 203 simultaneously.
Specifically, a lower shaft cylinder 202 is movably connected to the lower portion of the lower shaft 2, a support rod 601 is fixedly connected to the lower portion of the lower shaft cylinder 202, and the lower end of the support rod 601 is fixedly connected to the bottom end of the inside of the frame 6.
In this embodiment: support lower shaft oil cylinder 202 through setting up bracing piece 601, lower shaft oil cylinder 202 drives lower shaft 2 and removes to make the removal of lower shaft 2 drive lower roller 203 and remove, roll up the section bar, reached the convenient effect of rolling up the section bar.
Specifically, two side shafts 3 are arranged in the frame 6, the two side shafts 3 are positioned obliquely below the left and right sides of the upper shaft 1, and a side shaft cylinder 301 is movably connected below the two side shafts 3.
In this embodiment: through setting up two side shafts 3, the start-up of the side shaft hydro-cylinder 301 that makes the below of two side shafts 3 set up drives two side shafts 3 and rotates, rotates when two side shafts 3 and rolls up the system to the equidirectional not of section bar to the effect of rolling up the system has been reached to the section bar.
Specifically, the bottom ends of the two side shaft cylinders 301 are movably connected with fixing plates 3011, the lower end surfaces of the two fixing plates 3011 are both fixedly connected with the inner bottom end of the frame 6 and symmetrically distributed around the supporting rod 601, fixing rods 3012 are fixedly connected to the opposite sides of the two fixing plates 3011, and the lower ends of the fixing rods 3012 are fixedly connected with the inner bottom end of the frame 6.
In this embodiment: the fixing plate 3011 is arranged to fix the side shaft cylinder 301, so that the side shaft cylinder 301 is kept connected with the fixing plate 3011 after being started, and the side shaft cylinder 301 is prevented from moving freely in the frame 6 after being started, thereby achieving the effect of fixing the side shaft cylinder 301.
Specifically, the inside of frame 6 is provided with left bearing roller 4 and right bearing roller 401, and left bearing roller 4 and right bearing roller 401 are located the left and right sides of upper shaft 1.
In this embodiment: the left carrier roller 4 and the right carrier roller 401 are arranged to fix the edges of the section bars fixed by the upper shaft 1, the lower shaft 2 and the side shaft 3, so that the section bars are prevented from being bent and folded in the rolling process.
The working principle is as follows: firstly, the upper roll shaft 102 and the lower roll shaft 203 are connected together by the stabilizing device 5, the centers of the upper roll shaft 102 and the lower roll shaft 203 are always kept consistent when the stabilizing device 5 rolls and pre-bends the section, the adjusting screw rods 501 arranged at the upper end and the lower end of the stabilizing device 5 are adjusted according to the center distance between the upper roll shaft 102 and the lower roll shaft 203, the center distance between two bearings 503 in the stabilizing device 5 is enabled to be on the same horizontal line with the center distance between the upper roll shaft 102 and the lower roll shaft 203, then the upper shaft coaxial hydraulic motor 101 is started to drive the upper shaft 1 to rotate by starting the upper shaft coaxial hydraulic motor 101 and the lower shaft coaxial hydraulic motor 201, so as to drive the upper roll shaft 102 at the left side of the upper shaft 1 to rotate, the section is rolled, the lower shaft coaxial hydraulic motor 201 is started to drive the lower shaft 2 to rotate, the lower roll shaft 203 at the left side of the lower shaft 2 is driven to rotate, the section is rolled, the starting of the side shaft oil cylinder 301 drives the two side shafts 3 to rotate, the two side shafts 3 rotate simultaneously to roll the profiles in different directions, and meanwhile, the left carrier roller 4 and the right carrier roller 401 fix the edges of the profiles, so that the profiles are rolled, and the flatness after the profiles are rolled is guaranteed.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a roll axle securing device about four roller type benders, includes frame (6), upper shaft (1) and lower shaft (2) are located the inside of frame (6), upper shaft (1) is located the top of lower shaft (2), its characterized in that: the left ends of the upper shaft (1) and the lower shaft (2) are respectively provided with an upper roller shaft (102) and a lower roller shaft (203), the upper roll shaft (102) is positioned above the lower roll shaft (203), the outer side walls of the upper shaft (1) and the lower shaft (2) are provided with stabilizing devices (5), two bearings (503) which are distributed up and down symmetrically are arranged in the stabilizing device (5), the stabilizing device (5) is movably connected with the upper roller shaft (102) and the lower roller shaft (203) through bearings (503), one side of each of the two bearings (503), which is back to the back, is fixedly connected with a bearing blocking seat (5031), one end, far away from the bearings (503), of each bearing blocking seat (5031) is fixedly connected with a guide block (502), one end, far away from the bearing blocking seats (5031), of each guide block (502) is fixedly connected with an adjusting screw rod (501), and the adjusting screw rods (501) penetrate through the upper end and the lower end of the stabilizing device (5) and extend to the outside of the stabilizing device (5).
2. The upper and lower roll shaft stabilizing device of the four-roll type bending machine according to claim 1, wherein: the hydraulic motor with the coaxial upper shaft is characterized in that the right end of the upper shaft (1) is fixedly connected with the upper shaft coaxial hydraulic motor (101), the right end of the lower shaft (2) is fixedly connected with the lower shaft coaxial hydraulic motor (201), and the upper shaft coaxial hydraulic motor (101) is located above the lower shaft coaxial hydraulic motor (201).
3. The upper and lower roll shaft stabilizing device of the four-roll type bending machine according to claim 1, wherein: the lower shaft oil cylinder (202) is movably connected to the lower portion of the lower shaft (2), a supporting rod (601) is fixedly connected to the lower portion of the lower shaft oil cylinder (202), and the lower end of the supporting rod (601) is fixedly connected with the bottom end of the inner portion of the rack (6).
4. The upper and lower roll shaft stabilizing device of the four-roll type bending machine according to claim 1, wherein: two side shafts (3) are arranged in the rack (6), the two side shafts (3) are positioned at the left and right oblique lower parts of the upper shaft (1), and side shaft oil cylinders (301) are movably connected below the two side shafts (3).
5. The upper and lower roll shaft stabilizing device of the four-roll type bending machine according to claim 4, wherein: two the bottom swing joint of side shaft hydro-cylinder (301) has fixed plate (3011), two the lower terminal surface of fixed plate (3011) all with the inside bottom fixed connection of frame (6) and about bracing piece (601) symmetric distribution, two one side fixedly connected with dead lever (3012) that fixed plate (3011) carried on the back mutually, the lower extreme of dead lever (3012) and the inside bottom fixed connection of frame (6).
6. The upper and lower roll shaft stabilizing device of the four-roll type bending machine according to claim 1, wherein: the inner part of the frame (6) is provided with a left carrier roller (4) and a right carrier roller (401), and the left carrier roller (4) and the right carrier roller (401) are positioned at the left side and the right side of the upper shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921180718.8U CN210995959U (en) | 2019-07-25 | 2019-07-25 | Fixing device for upper and lower roll shafts of four-roll bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921180718.8U CN210995959U (en) | 2019-07-25 | 2019-07-25 | Fixing device for upper and lower roll shafts of four-roll bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210995959U true CN210995959U (en) | 2020-07-14 |
Family
ID=71500966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921180718.8U Expired - Fee Related CN210995959U (en) | 2019-07-25 | 2019-07-25 | Fixing device for upper and lower roll shafts of four-roll bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210995959U (en) |
-
2019
- 2019-07-25 CN CN201921180718.8U patent/CN210995959U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20200714 Termination date: 20210725 |
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| CF01 | Termination of patent right due to non-payment of annual fee |