CN215089856U - Lower roll lifting device of four-roll plate rolling machine - Google Patents
Lower roll lifting device of four-roll plate rolling machine Download PDFInfo
- Publication number
- CN215089856U CN215089856U CN202120388957.3U CN202120388957U CN215089856U CN 215089856 U CN215089856 U CN 215089856U CN 202120388957 U CN202120388957 U CN 202120388957U CN 215089856 U CN215089856 U CN 215089856U
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- China
- Prior art keywords
- worm wheel
- roll
- lifting device
- worm
- lower roll
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- Expired - Fee Related
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- 238000005096 rolling process Methods 0.000 title description 9
- 230000003028 elevating effect Effects 0.000 claims abstract 2
- 238000005452 bending Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses a four-roller veneer reeling machine lower roll elevating gear, including fixing the reducing gear box on horizontal base, the inside central point of reducing gear box puts and is equipped with the worm wheel, is equipped with the worm along worm wheel excircle circumference and meshes mutually with the worm wheel excircle, worm wheel center axial is equipped with the worm wheel axle, the reducing gear box upper cover is passed to worm wheel axle upper end to be connected with T type nut, in T type nut head embedding bearing body lower part recess. The utility model discloses a vice lug connection lower roll bearing body of spiral that worm-gear shaft and T type nut formed and bear the reaction force that rolls up board in-process and produce, the vice combination of spiral can effectively avoid sliding because of the atress produces, the threaded connection auto-lock is reliable, driving system separates alone, avoids hydraulic motor directly to participate in and bears, roll up board in-process motor only need provide can promote spare parts such as roller and bearing required moment of torsion of self weight can, bear pressure little, small size, it is with low costs.
Description
Technical Field
The utility model relates to a sheet metal processing technology field, specific can drive four-roller veneer reeling machine roller and reach appointed station that says so to bear the device of roll board in-process reaction force.
Background
The four-roller plate bending machine is a common machining machine device capable of bending metal plates into cylinders, wherein a lower roller lifting device is a very important component in the four-roller plate bending machine and can push rollers and bearings thereof to move up and down along the height direction of a lower roller guide plate and bear the reaction force in the plate bending process. In the existing lower roll lifting device, most of the lower roll lifting devices adopt oil cylinders to be directly connected with bearing bodies, and the bearing bodies are driven to move up and down through oil cylinder movable devices, so that the rollers are lifted, the oil cylinders directly provide power required by lifting of the rollers and the bearings, and simultaneously bear reverse acting force in the plate rolling process; the oil cylinder is fixed on the bottom plate of the lower roller, a connecting beam, an oxide skin collecting device and the like are usually arranged at the periphery of the lower roller, and the installation position space is limited, so that the oil cylinder is very difficult to install, position, disassemble and maintain; in the plate rolling process, the problems that the oil cylinder is unbalanced in load, serious in vibration, and the sliding position of a movable device of the oil cylinder and the like are caused due to the hydraulic self-locking failure of the oil cylinder exist, and the plate rolling quality is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lower roll lifting device of a four-roll plate bending machine, which solves the problems of large size of an oil cylinder, high bearing pressure and high cost when the traditional lower roll lifting device is used; the installation position space of the oil cylinder is limited, and the installation, the positioning, the disassembly and the maintenance are difficult; in the plate rolling process, the oil cylinder is unbalanced in load and serious in vibration, and the movable device of the oil cylinder is easy to slide, so that the plate rolling quality is influenced.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does:
the lower roll lifting device of the four-roll plate bending machine comprises a reduction gearbox fixed on a horizontal base, wherein a worm wheel is arranged in the center of the interior of the reduction gearbox, a worm is arranged along the circumferential direction of the outer circle of the worm wheel and meshed with the outer circle of the worm wheel, a worm wheel shaft is axially arranged at the center of the worm wheel, the upper end of the worm wheel shaft penetrates through an upper cover of the reduction gearbox and is connected with a T-shaped nut, and the head of the T-shaped nut is embedded into a groove in the lower part of a bearing body.
Preferably, the lower part of the T-shaped nut is a hollow threaded hole, and the threaded section at the upper end of the worm wheel shaft is sleeved in the T-shaped nut through screwing.
Preferably, the head of the T-shaped nut is of a straight-line-shaped boss structure and is embedded into a straight-line-shaped groove in the base of the bearing body.
Preferably, the end of the worm shaft is connected with a hydraulic motor, and the hydraulic motor is arranged on the base.
Preferably, the reduction gearbox bottom plate is fixed on the base through a first screw.
Preferably, an angle steel is arranged between the upper cover of the reduction gearbox and the supporting vertical plates at two sides and is fixed with the angle steel through a second screw.
Preferably, a rubber pad is arranged between the angle steel and the upper cover of the reduction gearbox.
Preferably, supporting vertical plates are arranged on two sides of the outer wall of the reduction gearbox, a horizontal supporting transverse plate is arranged on the upper portion of each supporting vertical plate, and reinforcing ribs are arranged between each supporting vertical plate and the corresponding supporting transverse plate.
Preferably, guide plates are arranged on two sides of the bearing body, and an upper rib plate is arranged between each guide plate and the corresponding supporting transverse plate.
The utility model discloses a use does:
during installation, the reduction gearbox bottom plate is fixed on the base through a first screw, then angle steel is positioned between the reduction gearbox upper cover and the two side supporting vertical plates and is fixed through a second screw, then the angle steel is screwed into the worm wheel shaft threaded section through the T-shaped nut lower threaded hole, after the adjustment is proper, the linear boss on the upper portion of the T-shaped nut is embedded into the linear groove in the bottom of the bearing body, the T-shaped nut is properly clamped, and the hydraulic motor is connected with the end of the worm shaft.
During operation, the hydraulic motor drives a worm wheel shaft in the reduction gearbox to rotate, based on the principle of a screw nut, the worm wheel shaft rotates to drive the T-shaped nut to move axially, the bearing body is further driven to move along the direction limited by the guide plate through force transmission, and therefore the roller is driven to lift and reach a designated station.
The utility model has the advantages that:
(1) the utility model discloses a vice lug connection lower roll bearing body of spiral that worm-gear shaft and T type nut formed bears the reaction force that the roll board in-process produced, and the vice combination of spiral can effectively avoid sliding because of the atress probably produces, and the threaded connection auto-lock is reliable.
(2) The utility model discloses separate driving system alone, avoid hydraulic motor directly to participate in and bear, roll up the board in-process motor only need provide can promote spare parts such as roller and bearing required moment of torsion of self weight can, consequently driving system bears pressure little, and the size is little, and is with low costs.
(3) The utility model discloses be releasable connection between each part, hydraulic motor external installation, the reducing gear box passes through rubber slab buffering atress, and consequently hydraulic motor bears the load evenly, and the vibration is little, and the system adopts the modularized design, optimizes spatial arrangement, compact structure, and installation, dismantlement, maintenance convenience.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the invention of fig. 1;
fig. 3 is a side cross-sectional view of the invention of fig. 2;
fig. 4 is a state diagram of the present invention in fig. 1;
in the figure: 1. the worm, 2, worm wheel, 3, base, 4, support riser, 5, rubber slab, 6, angle steel, 7, support diaphragm, 8, deflector, 9, go up the gusset, 10, second screw, 11, bearing body, 12, T nut, 13, worm-wheel axle, 14, reducing gear box, 15, strengthening rib, 16, first screw, 17, hydraulic motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The lower roll lifting device of the four-roll plate bending machine shown in the figures 1-4 comprises a reduction gearbox 14 fixed on a horizontal base 3, wherein a worm wheel 2 is arranged at the center inside the reduction gearbox 14, a worm 1 is arranged along the circumferential direction of the outer circle of the worm wheel 2 and meshed with the outer circle of the worm wheel 2, a worm wheel shaft 13 is axially arranged at the center of the worm wheel 2, the upper end of the worm wheel shaft 13 penetrates through the upper cover of the reduction gearbox 14 and is connected with a T-shaped nut 12, and the head of the T-shaped nut 12 is embedded into a groove at the lower part of a bearing body 11.
The lower part of the T-shaped nut 12 is a hollow threaded hole, and the thread section at the upper end of the worm wheel shaft 13 is sleeved in through thread screwing.
The head of the T-shaped nut 12 is of a linear boss structure and is embedded in a linear groove on the base of the bearing body 11.
The shaft end of the worm 1 is connected with a hydraulic motor 17, and the hydraulic motor 17 is arranged on the base 3.
The bottom plate of the reduction box 14 is fixed on the base 3 through a first screw 16.
An angle steel 6 is arranged between the upper cover of the reduction gearbox 14 and the supporting vertical plates 4 at the two sides and is fixed with the angle steel 6 through a second screw 10.
A rubber pad 5 is arranged between the angle steel 6 and the upper cover of the reduction gearbox 14.
Two sides of the outer wall of the reduction gearbox 14 are provided with supporting vertical plates 4, the upper parts of the supporting vertical plates 4 are provided with horizontal supporting transverse plates 7, and reinforcing ribs 15 are arranged between the supporting transverse plates 7.
Guide plates 8 are arranged on two sides of the bearing body 11, and an upper rib plate 9 is arranged between each guide plate 8 and the corresponding supporting transverse plate 7.
The utility model discloses a use does:
during installation, a bottom plate of the reduction gearbox 14 is fixed on the base 3 through a first screw 16, then the angle steel 6 is positioned between an upper cover of the reduction gearbox 14 and the two side supporting vertical plates 4 and is fixed through a second screw 10, the T-shaped nut 12 is screwed into a thread section of the worm wheel shaft 13, after the adjustment is proper, a linear boss on the upper portion of the T-shaped nut 12 is embedded into a linear groove at the bottom of the bearing body 11, the clamping is proper, and the hydraulic motor 17 is connected with the shaft end of the worm 1.
When the device works, the hydraulic motor 17 drives the worm wheel shaft 13 in the reduction gearbox 14 to rotate, based on the principle of a screw nut, the worm wheel shaft 13 rotates to drive the T-shaped nut 12 to axially move, the bearing body 11 is further driven to move along the direction limited by the guide plate 8 through force transmission, and therefore the roller is driven to lift and reach a specified station.
The utility model discloses a vice lug connection lower roll bearing body of spiral that worm-gear shaft and T type nut formed bears the reaction force that the roll board in-process produced, and the vice combination of spiral can effectively avoid sliding because of the atress produces, and the threaded connection auto-lock is reliable. The power system is separated independently, the hydraulic motor is prevented from directly participating in bearing, the motor only needs to provide torque required by the self weight of parts such as a roller and a bearing in the plate rolling process, and the plate rolling device is small in bearing pressure, small in size and low in cost.
Claims (9)
1. The utility model provides a four roller veneer reeling machine lower roll elevating gear which characterized in that: the worm gear type worm gear transmission mechanism comprises a reduction gearbox (14) fixed on a horizontal base (3), a worm wheel (2) is arranged in the center of the interior of the reduction gearbox (14), a worm (1) is arranged in the circumferential direction of the outer circle of the worm wheel (2) and meshed with the outer circle of the worm wheel (2), a worm wheel shaft (13) is axially arranged in the center of the worm wheel (2), the upper end of the worm wheel shaft (13) penetrates through an upper cover of the reduction gearbox (14) and is connected with a T-shaped nut (12), and the head of the T-shaped nut (12) is embedded into a groove in the lower portion of a bearing body (11).
2. The lower roll lifting device of the four-roll plate bending machine as claimed in claim 1, wherein: the lower part of the T-shaped nut (12) is a hollow threaded hole, and the threaded section at the upper end of the worm wheel shaft (13) is sleeved in through threaded screwing.
3. The lower roll lifting device of the four-roll plate bending machine as claimed in claim 1 or 2, wherein: the head of the T-shaped nut (12) is of a straight-line-shaped boss structure and is embedded into a straight-line-shaped groove in the base of the bearing body (11).
4. The lower roll lifting device of the four-roll plate bending machine as claimed in claim 3, wherein: the shaft end of the worm (1) is connected with a hydraulic motor (17), and the hydraulic motor (17) is arranged on the base (3).
5. The lower roll lifting device of the four-roll plate bending machine as claimed in claim 4, wherein: the base plate of the reduction gearbox (14) is fixed on the base (3) through a first screw (16).
6. The lower roll lifting device of the four-roll plate bending machine as claimed in claim 5, wherein: an angle steel (6) is arranged between the upper cover of the reduction gearbox (14) and the support vertical plates (4) on the two sides, and the angle steel (6) and the angle steel are fixed through second screws (10).
7. The lower roll lifting device of the four-roll plate bending machine as claimed in claim 6, wherein: a rubber pad (5) is arranged between the angle steel (6) and the upper cover of the reduction gearbox (14).
8. The lower roll lifting device of the four-roll plate bending machine as claimed in claim 7, wherein: supporting vertical plates (4) are arranged on two sides of the outer wall of the reduction gearbox (14), a horizontal supporting transverse plate (7) is arranged on the upper portions of the supporting vertical plates (4), and reinforcing ribs (15) are arranged between the supporting vertical plates and the supporting transverse plate (7).
9. The lower roll lifting device of the four-roll plate bending machine as claimed in claim 8, wherein: guide plates (8) are arranged on two sides of the bearing body (11), and an upper rib plate (9) is arranged between each guide plate (8) and the corresponding supporting transverse plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120388957.3U CN215089856U (en) | 2021-02-22 | 2021-02-22 | Lower roll lifting device of four-roll plate rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120388957.3U CN215089856U (en) | 2021-02-22 | 2021-02-22 | Lower roll lifting device of four-roll plate rolling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215089856U true CN215089856U (en) | 2021-12-10 |
Family
ID=79335619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120388957.3U Expired - Fee Related CN215089856U (en) | 2021-02-22 | 2021-02-22 | Lower roll lifting device of four-roll plate rolling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215089856U (en) |
-
2021
- 2021-02-22 CN CN202120388957.3U patent/CN215089856U/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: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |