CN213103924U

CN213103924U - Protection device of upper roller type plate bending machine

Info

Publication number: CN213103924U
Application number: CN202021028478.2U
Authority: CN
Inventors: 王少锋
Original assignee: Chengxi Shipyard Co Ltd
Current assignee: Chengxi Shipyard Co Ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-05-04
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a protection device of an upper roller type plate rolling machine, which comprises a protection structure which is arranged on a turnover oil cylinder and is fixed with a turnover plate and a limiting mechanism which is arranged on a base and is positioned below a plate rolling mechanism; according to the protection device of the upper roller type plate bending machine, dust or solidified lubricating oil accumulated on the surface of the transverse shaft is removed through the self-cleaning assembly, so that the resistance between the shaft head and the transverse shaft is prevented from increasing; through the safety assembly, the shaft head and the cross shaft can be clamped, and when the stress of a piston rod of the turnover oil cylinder reaches a certain threshold value, the piston rod is separated from the shaft head, so that the piston rod is prevented from being bent; through stop gear, can add man-hour at panel feeding or panel, adjust the interval of two guide assembly according to the size of a dimension of panel, workable panel size range increases, can withdraw after panel processing is accomplished again, does not influence the panel that processing was accomplished and takes out.

Description

Protection device of upper roller type plate bending machine

Technical Field

The utility model relates to a veneer reeling machine field, concretely relates to a protection device who goes up roller veneer reeling machine for 70000 ton saw-dust ship is built.

Background

For the construction of ships such as 70000 ton wood chip ships and the like, the protection device of the upper roller type plate rolling machine is generally used for processing and treating plates, but the door frame of the protection device of the existing upper roller type plate rolling machine is high, the piston rod of the turnover oil cylinder is very long, and if lubricating oil on the transverse shaft is solidified or dust is accumulated on the piston rod, certain resistance is generated on the sliding of a shaft head and an inner hole. The moment of flexure increase that the resistance produced, piston rod spindle nose and axle probably will bite each other, can not smoothly slide, lead to the piston rod to take place the bending, and the unable normal work of upset hydro-cylinder causes the veneer reeling machine can't continue to use, influences the production operation, in addition, in panel feeding and course of working, because panel slope, can cause panel shape and size precision after the processing to be unsatisfactory, waste time and energy, still extravagant raw and other materials.

Therefore, there is a need to provide a new protection device for an upper roll type plate bending machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide a protection device of roller veneer reeling machine can prevent effectively that the piston rod of the hydro-cylinder that overturns is crooked, and can inject the position of panel, guarantee the machining precision of panel.

In order to achieve the above object, the technical solution of the present invention is to provide a protection device for an upper roller type plate rolling machine, comprising a horizontally disposed base, a fixed plate fixed on the base, a roll-over plate disposed at one end of the base opposite to the fixed plate and hinged to the base, a plate rolling mechanism disposed between the roll-over plate and the fixed plate, a roll-over cylinder hinged to one end of the base close to the roll-over plate and hinged to the roll-over plate, and a protection device, wherein the protection device comprises a protection structure disposed on the roll-over cylinder and fixed to the roll-over plate, and a limit mechanism disposed on the base and located below the plate rolling mechanism;

the protection structure comprises two limiting plates fixed on the turnover plate, a cross shaft fixed between the two limiting plates, a rack fixed between the two limiting plates and positioned above the cross shaft, a shaft head sleeved on the cross shaft, a self-cleaning assembly arranged on the upper portion of the shaft head and a safety assembly arranged on the lower portion of the shaft head.

According to a further preferred scheme, the self-cleaning assembly comprises an outer gear, an inner bevel gear and two cleaning bevel gears, the outer gear is arranged above the shaft head and matched with the rack, the inner bevel gear is coaxially fixed with the outer gear and arranged in the top of the shaft head, the two cleaning bevel gears are respectively arranged on two sides of the inner bevel gear and matched with the inner bevel gear, the cleaning bevel gears are sleeved on the transverse shaft, and one side, close to the transverse shaft, of the cleaning bevel gears is provided with a cleaning brush.

In a further preferred scheme, a limiting groove is formed in the cleaning bevel gear, and a limiting ring matched with the limiting groove is arranged on the shaft head.

The safety component comprises a positioning block fixed on the piston rod of the turnover oil cylinder, positioning grooves arranged on the shaft head and matched with the positioning block, two positioning plates respectively arranged at two sides of the piston rod of the turnover oil cylinder, safety ropes for fixing the positioning plates and the base, and clamping units arranged at two ends of the positioning plates.

In addition, the clamping unit comprises a clamp spring arranged in the positioning plate and a clamping block connected with the clamp spring.

Further preferred scheme is, stop gear includes that the level sets up lead screw, drive lead screw pivoted first motor on the base, symmetry set up two nuts at the lead screw both ends, fix guide rail on the base, set up the guide subassembly on the nut, the nut removes along the guide rail, the both ends of lead screw are equipped with opposite direction's screw respectively, nut and lead screw-thread fit, the guide subassembly is including fixing guide holder, bottom and guide holder articulated roll-over stand, setting pivot, the cover on the roll-over stand and establishing at the epaxial guide roller of commentaries on classics, drive roll-over stand pivoted drive unit and auxiliary unit on the nut, the both ends of pivot all are equipped with buffer unit.

In addition, the driving unit comprises a turnover rope fixed with the turnover frame, a second motor for driving the turnover rope to be tightened or loosened, and a pulley for changing the moving direction of the turnover rope. The auxiliary unit comprises an auxiliary cylinder and a roller driven by the auxiliary cylinder to move. The buffer unit comprises a sleeve sleeved at the end part of the rotating shaft, a limiting rod fixed with the sleeve and a pressure spring sleeved on the limiting rod.

Further preferably, the first motor and the second motor are both servo motors.

The utility model has the advantages and the beneficial effects that:

1. through the self-cleaning assembly, when the shaft head moves, the surface of the transverse shaft can be automatically scraped, dust or solidified lubricating oil accumulated on the surface of the transverse shaft can be removed, and the increase of resistance between the shaft head and the transverse shaft can be avoided.

2. Through the safety assembly, the shaft head and the cross shaft can be clamped, and when the stress of a piston rod of the turnover oil cylinder reaches a certain threshold value, the piston rod is separated from the shaft head, so that the piston rod is prevented from being bent.

3. Through the guide assembly, the position of the plate can be limited when the plate is fed or processed, and the plate processing precision is prevented from being reduced due to the dislocation of the plate.

4. Through stop gear, can add man-hour at panel feeding or panel, adjust the interval of two guide assembly according to the size of a dimension of panel, workable panel size range increases, can withdraw in the base again after panel processing is accomplished, does not influence the panel that processing was accomplished and takes out.

Drawings

FIG. 1 is a schematic structural view of a protection device of an upper roll type plate bending machine according to the present invention;

FIG. 2 is a partial cross-sectional view taken from perspective A of the protective structure of FIG. 1;

FIG. 3 is a schematic structural diagram of a self-cleaning assembly of the protecting device of the upper roller type plate bending machine according to the present invention;

FIG. 4 is a partial cross-sectional view taken from perspective B of the safety assembly of FIG. 2;

fig. 5 is a schematic structural view of a blocking unit of the protecting device of the upper roll type plate bending machine of the present invention;

FIG. 6 is a schematic structural view of a limiting mechanism of the protecting device of the upper roller type plate bending machine of the present invention;

fig. 7 is a schematic structural view of a guide assembly of the protection device of the upper roll type plate bending machine of the present invention;

FIG. 8 is an enlarged view of section C of FIG. 7;

in the figure: 1. the automatic cleaning device comprises a base, 2. a rolling plate mechanism, 3. a turnover oil cylinder, 4. a protection structure, 41. a transverse shaft, 42. a limit plate, 43. a rack, 44. a shaft head, 45. a self-cleaning component, 451. an outer gear, 452. an inner bevel gear, 453. a cleaning bevel gear, 454. a cleaning brush, 46. a safety component, 461. a positioning block, 462. a positioning groove, 463. a positioning plate, 464. a clamping unit, 4641. a clamping spring, 4642. a clamping block, 47. a safety rope, 5. a limiting mechanism, 51. a first motor, 52. a lead screw, 53. a nut, 54. a guide rail, 55. a guide component, 551. a guide seat, 552. a turnover frame, a guide roller, 554. a second motor, 555. a turnover rope, 556. a pulley, 557. an auxiliary cylinder, 558. a roller, 559. a rotating shaft, 560. a sleeve, 561. a limit rod, 562. a compression spring, 6. a fixing plate and.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1, a protection device of an upper roller type plate rolling machine comprises a base 1 horizontally arranged, a fixed plate 6 fixed on the base 1, a turnover plate 7 arranged at one end of the base 1 opposite to the fixed plate 6 and hinged to the base 1, a plate rolling mechanism 2 arranged between the turnover plate 7 and the fixed plate 6, a turnover oil cylinder 3 hinged to one end of the base 1 close to the turnover plate 7 and hinged to the turnover plate 7, and a protection device, wherein the protection device comprises a protection structure 4 arranged on the turnover oil cylinder 3 and fixed to the turnover plate 7, and a limiting mechanism 5 arranged on the base 1 and located below the plate rolling mechanism 2;

as shown in FIG. 2, the protecting structure 4 comprises two limiting plates 42 fixed on the turning plate, a cross shaft 41 fixed between the two limiting plates 42, a rack 43 fixed between the two limiting plates 42 and positioned above the cross shaft 41, a shaft head 44 sleeved on the cross shaft 41, a self-cleaning assembly 45 arranged at the upper part of the shaft head 44, and a safety assembly 46 arranged at the lower part of the shaft head 44.

As shown in fig. 3, the self-cleaning assembly 45 comprises an external gear 451 which is arranged above the shaft head 44 and matched with the rack 43, an inner bevel gear 452 which is coaxially fixed with the external gear 451 and arranged in the top of the shaft head 44, and two cleaning bevel gears 453 which are respectively arranged at both sides of the inner bevel gear 452 and matched with the inner bevel gear 452, wherein the cleaning bevel gears 453 are sleeved on the transverse shaft 41, and one side of the cleaning bevel gears 453 close to the transverse shaft 41 is provided with a cleaning brush 454. When the spindle head 44 moves, the external gear 451 moves along the rack 43 and rotates, and rotates the internal bevel gear 452 and the washing bevel gear 453, so that the brush 454 rotates around the horizontal shaft 41, automatically scrapes the surface of the horizontal shaft 41, removes dust or solidified lubricating oil accumulated on the surface of the horizontal shaft 41, and prevents an increase in resistance between the spindle head 44 and the horizontal shaft 41.

In a further preferred embodiment, a limiting groove is formed in the cleaning bevel gear 453, and a limiting ring matched with the limiting groove is formed in the shaft head 44. The bevel gear 453 can be prevented from falling off by the arrangement of the limiting ring and the limiting groove.

As shown in fig. 4, the safety assembly 46 includes a positioning block 461 fixed on the piston rod of the tilting cylinder 3, a positioning slot 462 disposed on the shaft head 44 and engaged with the positioning block 461, two positioning plates 463 respectively disposed on two sides of the piston rod of the tilting cylinder 3, a safety rope 47 fixing the positioning plates 463 and the base 1, and locking units 464 disposed at two ends of the positioning plates 463. When the spindle head 44 is engaged with the lateral shaft 41, the safety rope 47 pulls the positioning plate 463, and the positioning plate 463 is pushed by the piston rod, and when the force applied to the positioning plate 463 reaches a predetermined threshold value, the positioning plate 463 rotates upward, and the piston rod is separated from the spindle head 44, thereby preventing the piston rod from bending.

As shown in fig. 5, the locking unit 464 includes a locking spring 4641 disposed in the positioning plate 463 and a locking block 4642 connected to the locking spring 4641.

As shown in fig. 6-8, as shown in fig. 6, the limiting mechanism 5 includes a lead screw 52 horizontally disposed on the base 1, a first motor 51 driving the lead screw 52 to rotate, two nuts 53 symmetrically disposed at two ends of the lead screw 52, a guide rail 54 fixed on the base 1, and a guide assembly 55 disposed on the nuts 53, wherein the nuts 53 move along the guide rail 54, two ends of the lead screw 52 are respectively provided with threads in opposite directions, the nuts 53 are in threaded engagement with the lead screw 52, the guide assembly 55 includes a guide base 551 fixed on the nut 53, a flip stand 552 hinged to the guide base 551 at the bottom, a rotating shaft 559 disposed on the flip stand 552, a guide roller 553 sleeved on the rotating shaft 559, a driving unit driving the flip stand 552 to rotate, and an auxiliary unit, and two ends of the rotating shaft 559 are respectively provided with a buffer unit. When panel feeding or panel processing, the taut upset rope 555 of drive unit straightens roll-over stand 552, prescribes a limit to the panel position through roll-over stand 552, prevents that the panel dislocation from causing panel machining precision to descend, when needs take out panel, drive unit relaxs upset rope 555, and auxiliary unit work for in roll-over stand 552 rotates downwards and returns base 1, does not influence the panel of processing completion and takes out.

Further preferably, the driving unit comprises a turning rope 555 fixed to the turning frame 552, a second motor 554 driving the turning rope 555 to be tightened or loosened, and a pulley 556 changing the moving direction of the turning rope 555. The auxiliary unit comprises an auxiliary cylinder 557 and a roller 558 driven by the auxiliary cylinder 557 to move. The buffer unit comprises a sleeve 560 sleeved at the end of the rotating shaft 559, a limiting rod 561 fixed with the sleeve 560, and a pressure spring 562 sleeved on the limiting rod 561.

Further preferably, the first motor 51 and the second motor 554 are both servo motors.

The working principle of the protection device of the upper roller type plate bending machine is as follows: when the spindle head 44 moves, the external gear 451 moves along the rack 43 to rotate, and drives the internal bevel gear 452 and the cleaning bevel gear 453 to rotate, so that the cleaning brush 454 rotates around the transverse shaft 41, the surface of the transverse shaft 41 is automatically scraped, dust accumulated on the surface of the transverse shaft 41 or solidified lubricating oil is removed, and the resistance between the spindle head 44 and the transverse shaft 41 is prevented from increasing; when the shaft head 44 is clamped with the transverse shaft 41, the safety rope 47 can pull the positioning plate 463, meanwhile, the positioning plate 463 is estimated by the piston rod, when the stress of the positioning plate 463 reaches a certain threshold value, the positioning plate 463 rotates upwards, and the piston rod is separated from the shaft head 44, so that the piston rod is prevented from bending; at panel feeding or panel processing man-hour, according to the size of a dimension of panel, two nuts 53 of first motor 51 drive move, adjust two guide assembly 55's interval, workable panel size range increases, the taut upset rope 555 of drive unit, straighten roll-over stand 552, position is injectd to panel through roll-over stand 552, prevent that the panel dislocation from causing panel machining precision to descend, when needs take out panel, drive unit relaxs upset rope 555, auxiliary unit work, make roll-over stand 552 rotate back in base 1 downwards, the panel that does not influence processing and accomplish takes out.

The protection device of the upper roller type plate bending machine has the advantages that:

1. through the self-cleaning assembly 45, when the shaft head 44 moves, the surface of the transverse shaft 41 can be automatically cleaned, dust or solidified lubricating oil accumulated on the surface of the transverse shaft 41 can be removed, and the resistance between the shaft head 44 and the transverse shaft 41 is prevented from increasing.

2. Through the safety assembly 46, when the shaft head 44 is clamped with the transverse shaft 41 and the stress of the piston rod of the turnover cylinder 3 reaches a certain threshold value, the piston rod is separated from the shaft head 44, so that the piston rod is prevented from bending.

3. Through guide assembly 55, can carry out position limitation to panel when panel feeding or panel processing, prevent that the panel dislocation from causing panel machining precision to descend.

4. Through stop gear 5, can add man-hour at panel feeding or panel, adjust the interval of two guide assembly 55 according to the size of a dimension of panel, workable panel size range increases, can be again after panel processing is accomplished, withdraws in base 1, does not influence the panel that processing was accomplished and takes out.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A protection device of an upper roller type plate rolling machine comprises a horizontally arranged base, a fixed plate fixed on the base, a turnover plate arranged at one end of the base opposite to the fixed plate and hinged with the base, a plate rolling mechanism arranged between the turnover plate and the fixed plate, a turnover oil cylinder hinged at one end of the base close to the turnover plate and hinged with the turnover plate, and a protection device, and is characterized in that the protection device comprises a protection structure arranged on the turnover oil cylinder and fixed with the turnover plate, and a limiting mechanism arranged on the base and positioned below the plate rolling mechanism;

2. The protection device for upper roller type plate bending machine according to claim 1, wherein said self-cleaning assembly comprises an external gear disposed above the shaft head and matching with the rack, an internal bevel gear coaxially fixed with the external gear and disposed in the top of the shaft head, two cleaning bevel gears disposed on both sides of the internal bevel gear and matching with the internal bevel gear, said cleaning bevel gears are sleeved on the cross shaft, and a cleaning brush is disposed on one side of the cleaning bevel gears near the cross shaft.

3. The protection device for an upper roll type plate bending machine according to claim 2, wherein the cleaning bevel gear is provided with a limiting groove, and the shaft head is provided with a limiting ring engaged with the limiting groove.

4. The protection device for an upper roller type plate bending machine according to claim 1, wherein the safety assembly comprises a positioning block fixed on the piston rod of the turnover cylinder, a positioning groove disposed on the shaft head and engaged with the positioning block, two positioning plates disposed on both sides of the piston rod of the turnover cylinder, a safety rope for fixing the positioning plates and the base, and locking units disposed on both ends of the positioning plates.

5. The protection device for the upper roll plate bending machine according to claim 4, wherein the locking unit comprises a snap spring disposed in the positioning plate and a locking block connected to the snap spring.

6. The protection device for the upper roller type plate bending machine according to claim 1, wherein the limiting mechanism comprises a lead screw horizontally arranged on the base, a first motor for driving the lead screw to rotate, two nuts symmetrically arranged at two ends of the lead screw, a guide rail fixed on the base, and a guiding assembly arranged on the nuts, the nuts move along the guide rail, two ends of the lead screw are respectively provided with threads in opposite directions, the nuts are in threaded fit with the lead screw, the guiding assembly comprises a guiding seat fixed on the nut, a roll-over stand with the bottom hinged to the guiding seat, a rotating shaft arranged on the roll-over stand, a guiding roller sleeved on the rotating shaft, a driving unit for driving the roll-over stand to rotate, and an auxiliary unit, and two ends of the rotating shaft are respectively provided with a buffer unit.

7. The protection device for the upper roller type plate bending machine as claimed in claim 6, wherein the driving unit comprises a turning rope fixed to the turning frame, a second motor for driving the turning rope to be tightened or loosened, and a pulley for changing the moving direction of the turning rope, the auxiliary unit comprises an auxiliary cylinder, a roller driven by the auxiliary cylinder to move, and the buffer unit comprises a sleeve sleeved on the end of the rotating shaft, a limiting rod fixed to the sleeve, and a pressure spring sleeved on the limiting rod.

8. The apparatus for protecting a top roll plate bending machine as claimed in claim 6, wherein said first motor and said second motor are both servo motors.