CN210231098U - Three-roller plate bending machine - Google Patents

Three-roller plate bending machine Download PDF

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Publication number
CN210231098U
CN210231098U CN201921041597.9U CN201921041597U CN210231098U CN 210231098 U CN210231098 U CN 210231098U CN 201921041597 U CN201921041597 U CN 201921041597U CN 210231098 U CN210231098 U CN 210231098U
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China
Prior art keywords
frame
height adjusting
roller
rollers
eccentric wheel
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Active
Application number
CN201921041597.9U
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Chinese (zh)
Inventor
Jiayuan Ran
冉加远
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Nantong Zhonghao Microfiber Products Co ltd
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Nantong Zhonghao Microfiber Products Co ltd
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Abstract

The utility model relates to a three-roller plate bending machine, which comprises a left frame and a right frame, wherein three rollers are rotatably arranged on the left frame and the right frame, the three rollers are parallel to each other, one of the rollers is arranged on the upper frame and is an upper roller, the other two rollers are arranged on the lower frame and are parallel to each other and are lower rollers, the upper roller is a movable roller, the two ends of the upper roller are respectively rotated on a sliding block, the sliding block is respectively movably arranged on the left frame and the right frame up and down, a height adjusting eccentric wheel is correspondingly arranged above the sliding block, the height adjusting eccentric wheel is sleeved on a height adjusting shaft, the two ends of the height adjusting shaft are respectively rotatably arranged on the left frame and the right frame, one end of the height adjusting shaft passes through the left frame or the; the height adjusting knob is rotated to adjust the height adjusting eccentric wheel, and the sliding block moves up and down. The distance between the two rollers is adjusted through the height adjusting knob, the roller is in place in one step, and the roller is convenient and fast and high in precision.

Description

Three-roller plate bending machine
Technical Field
The utility model relates to a veneer reeling machine field, concretely relates to three-roller veneer reeling machine.
Background
The three-roller symmetrical type is characterized in that the upper roller vertically moves at the central symmetrical position of the two lower rollers and is obtained through the transmission of a screw rod, a nut and a worm, the two lower rollers rotate and are meshed with the lower roller through an output gear of a speed reducer, and torque is provided for rolling plates. The plastic metal plate with flat specification passes through three upper rollers of a plate bending machine, and is continuously bent for multiple times by means of the downward pressing of the upper rollers and the rotating motion of the lower rollers to generate permanent plastic deformation, and the plastic metal plate is rolled into a required cylinder, a required conical cylinder or a part of the cylinder and the conical cylinder.
In the prior art, the three-roller plate bending machine comprises two side brackets, and a pair of lower rollers which are parallel to each other is rotatably arranged between the lower parts of the brackets; the upper part of the bracket is rotatably provided with an upper roller matched with the lower roller. The upper roller is controlled by manually adjusting a lead screw nut to control the distance between the upper roller and the lower roller, so that the adjustment is inconvenient and the adjustment precision is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a three-roller plate bending machine of adjustable roller distance.
A three-roller plate bending machine comprises a left machine frame and a right machine frame, wherein three rollers are rotatably arranged on the left machine frame and the right machine frame and are parallel to each other, one of the rollers is an upper roller, the other two rollers are arranged below and side by side and are lower rollers, the upper roller is over against the middle position of the two lower rollers, and a space for a plate to pass through is reserved between the upper roller and the lower rollers; the left machine frame or the right machine frame is also provided with a power mechanism, and the power mechanism is connected with the lower rolls in a driving way and drives the two lower rolls to rotate in the same direction; the upper roll is a movable roll, two ends of the upper roll are respectively rotated on a sliding block, the sliding blocks are respectively movably mounted on the left frame and the right frame up and down, a height adjusting eccentric wheel is correspondingly arranged above the sliding blocks and sleeved on a height adjusting shaft, two ends of the height adjusting shaft are respectively rotatably mounted on the left frame and the right frame, one end of the height adjusting shaft penetrates through the left frame or the right frame to extend out, a height adjusting knob is fixedly mounted on the height adjusting shaft, and a reset spring is arranged on the sliding block; the height adjusting knob is rotated to adjust the height adjusting eccentric wheel, and the sliding block moves up and down.
This patent adopts the mode of eccentric wheel, adjusts and goes up axial up and down to shorten the distance between last roller and the lower roll. The specific operation mode is that the height adjusting knob is rotated to drive the height adjusting eccentric wheel to rotate, the height adjusting eccentric wheel is propped against the sliding block to drive the sliding block to move downwards or drive the sliding block to move upwards under the matching of the reset spring, and the up-and-down movement of the upper roller is realized. When the device is adopted, the adjusting range is reduced compared with the prior art, but the plate rolling machine is only suitable for rolling a relatively thin plate, the requirement on the adjusting range is not large, and the device can completely meet the requirement on normal plate rolling; compared with the conventional plate rolling machine, the plate rolling machine is more convenient to adjust and high in adjusting precision.
The technical scheme is further improved and refined, the height adjusting eccentric wheel is polygonal, adjacent side edges are in transition connection through arc surfaces, a shaft hole is formed in the height adjusting eccentric wheel, the distance between the shaft hole and the side edge of the height adjusting eccentric wheel is unequal, and the height adjusting shaft penetrates through the shaft hole to be fixedly connected with the height adjusting eccentric wheel; this kind of design satisfies the upper and lower movable adjustment demand of going up the roller, this patent has considered on adopting the bearing, when the circular eccentric wheel of simple adoption, when adopting circular eccentric wheel, the board of rolling up is simultaneously, can produce ascending thrust to last roller, can drive the slider top and move the altitude mixture control eccentric wheel, thereby easily cause the altitude mixture control eccentric wheel to deflect and cause the ineffectiveness of roller lifting, thereby can't provide effective moment of torsion for rolling up the board, adopt multilateral shape design, altitude mixture control eccentric wheel deflection can not appear under the thrust effect, multi-stage control has been realized, in order to satisfy the board roll board demand of different thickness.
The technical scheme is further improved and refined, and the height adjusting shaft is a hexagonal shaft.
The technical scheme is further improved and refined, a track for the upper sliding block and the lower sliding block to slide is arranged on the machine frame, and the sliding space is the space for the height adjusting eccentric wheel to deviate.
The technical scheme is further improved and refined, gears are respectively arranged on the two lower rollers, and the two gears are respectively meshed and connected with a middle gear rotatably arranged on the left machine frame or the right machine frame; the power mechanism comprises a crank; and the crank is fixedly arranged on any one lower roller.
The technical scheme is further improved and refined, long-tooth gears are respectively arranged on any one of the lower roller and the upper roller, the two long-tooth gears are meshed and connected, and the distance between the two long-tooth gears is the same as the floating distance of the upper roller; the former upper roller is driven to rotate by the counterforce generated when the plate passes through, and the upper roller and the lower roller rotate in opposite directions to act on the plate together, so that the plate rolling effect is better. The upper roller and the lower roller are difficult to rotate in opposite directions through gear meshing because of the large vertical moving range of the conventional upper roller.
The technical scheme is further improved and refined, and the return spring is a pressure spring arranged at the bottoms of the two sliding blocks or a torsion spring arranged at the side of the two sliding blocks; preferably, a torsion spring design is adopted; the design of the compression spring is adopted, the lower limit of the up-and-down movement of the upper roller is inevitably reduced, and the design of the compression spring is free from the problem and convenient to install.
The plate bending machine further comprises a base, wherein the base is arranged below the left rack and the right rack and is connected with the left rack and the right rack in a supporting mode, the base is a frame, the four corners of the bottom of the base are respectively provided with a support, and the two supports on the same side are fixedly connected through a connecting rod obliquely arranged between the two supports.
The utility model has the advantages of, reasonable in design, simple structure adjusts the distance between two rollers through high adjust knob, targets in place in one step, and is convenient, and the precision is high.
Drawings
FIG. 1 is a main view of a three-roll plate rolling machine.
FIG. 2 is a left side view of the three-roll plate bending machine.
FIG. 3 is a right side view of the three-roll plate bending machine.
FIG. 4 is a partial cross-sectional view of a three-roll plate bending machine.
In the figure, a left machine frame 1, a right machine frame 2, an upper roller 3, a lower roller 4, a sliding block 5-1, a height adjusting eccentric wheel 5-2, a height adjusting shaft 5-3, a height adjusting knob 5-4, a return spring 5-5, a gear 6, an intermediate gear 7, a crank 8, a long-tooth gear 9, a base 10, a support 11 and a connecting rod 12.
Detailed Description
As shown in fig. 1-4, a three-roller plate bending machine comprises a left frame 1 and a right frame 2, three rollers are rotatably mounted on the left frame 1 and the right frame 2, the three rollers are parallel to each other, one of the rollers is an upper roller 3, the other two rollers are arranged side by side and are lower rollers 4, the upper roller 3 is opposite to the middle position of the two lower rollers 2, and a space for a plate to pass through is reserved between the upper roller 3 and the lower rollers 4; the right rack 2 is also provided with a power mechanism, the power mechanism is in driving connection with the lower rollers 4 and drives the two lower rollers 4 to rotate in the same direction; the upper roll 3 is a movable roll, two ends of the upper roll are respectively rotated on a sliding block 5-1, the sliding block 5-1 is respectively and movably mounted on a left frame 1 and a right frame 2 up and down, a height adjusting eccentric wheel 5-2 is correspondingly arranged above the sliding block 5-1, the height adjusting eccentric wheel 5-2 is sleeved on a height adjusting shaft 5-3, two ends of the height adjusting shaft 5-3 are respectively and rotatably mounted on the left frame 1 and the right frame 2, one end of the height adjusting shaft penetrates through the left frame 1 to extend out, a height adjusting knob 5-4 is fixedly mounted on the height adjusting shaft, and a reset spring 5-5 is arranged on the sliding block 5-1; rotating a height adjusting knob 5-4 to adjust a height adjusting eccentric wheel 5-2, and moving a sliding block 5-1 up and down; the height adjusting eccentric wheel 5-2 is polygonal, adjacent side edges are in transition connection through an arc surface, a shaft hole is formed in the height adjusting eccentric wheel 5-2, the distance between the shaft hole and the side edge of the height adjusting eccentric wheel 5-2 is unequal, and the height adjusting shaft 5-3 penetrates through the shaft hole to be fixedly connected with the height adjusting eccentric wheel 5-2; the height adjusting shaft 5-3 is a hexagonal shaft; a track for sliding the upper and lower sliding blocks 5-1 is arranged on the left frame 1 and the right frame 2, and the sliding space is a space for offsetting the height adjusting eccentric wheel 5-2; gears 6 are respectively arranged on the two lower rollers 4, and the two gears 6 are respectively meshed and connected with a middle gear 7 which is rotatably arranged on the right rack; the power mechanism comprises a crank 8, and the crank 8 is fixedly arranged on any one lower roller 4; long-tooth gears 9 are respectively arranged on any one of the lower roller 4 and the upper roller 3, the two long-tooth gears 9 are meshed and connected, and the distance between the two long-tooth gears 9 is the same as the floating distance of the upper roller 3; the reset spring 5-5 is a torsion spring arranged on the side of the two sliding blocks; the plate bending machine further comprises a base 10, the base 10 is arranged below the left rack 1 and the right rack 2, the left rack 1 and the right rack 2 are connected in a supporting mode, the base 10 is a frame, the four corners of the bottom of the base are respectively provided with a support 11, and the two supports 11 on the same side are fixedly connected through a connecting rod 12 which is obliquely arranged between the two supports 11.
Because of the limited character expression, there exists an infinite concrete structure objectively, for those skilled in the art, without departing from the principle of the present invention, a plurality of improvements, decorations or changes can be made, and the above technical features can be combined in a proper way; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims (8)

1. A three-roller plate bending machine comprises a left machine frame and a right machine frame, wherein three rollers are rotatably arranged on the left machine frame and the right machine frame and are parallel to each other, one of the rollers is an upper roller, the other two rollers are arranged below and side by side and are lower rollers, the upper roller is over against the middle position of the two lower rollers, and a space for a plate to pass through is reserved between the upper roller and the lower rollers; the left machine frame or the right machine frame is also provided with a power mechanism, and the power mechanism is connected with the lower rolls in a driving way and drives the two lower rolls to rotate in the same direction; the upper roll is a movable roll, two ends of the upper roll are respectively rotated on a sliding block, the sliding blocks are respectively movably mounted on a left frame and a right frame up and down, a height adjusting eccentric wheel is correspondingly arranged above the sliding blocks and sleeved on a height adjusting shaft, two ends of the height adjusting shaft are respectively rotatably mounted on the left frame and the right frame, one end of the height adjusting shaft penetrates through the left frame or the right frame to extend out, a height adjusting knob is fixedly mounted on the height adjusting shaft, and a reset spring is arranged on the sliding block; the height adjusting knob is rotated to adjust the height adjusting eccentric wheel, and the sliding block moves up and down.
2. The three-roller plate rolling machine according to claim 1, wherein the height adjusting eccentric wheel is polygonal, adjacent side edges are in transition connection through an arc surface, the height adjusting eccentric wheel is provided with a shaft hole, the distance between the shaft hole and the side edge of the height adjusting eccentric wheel is unequal, and the height adjusting shaft penetrates through the shaft hole and is fixedly connected with the height adjusting eccentric wheel.
3. The three-roll plate bending machine as claimed in claim 1, wherein the height adjustment shaft is a hexagonal shaft.
4. The three-roller plate bending machine as claimed in claim 1, wherein the left frame and the right frame are respectively provided with a track for sliding the sliding block, and the sliding space is a space for offsetting the height adjusting eccentric wheel.
5. The three-roller plate bending machine as claimed in claim 1, wherein gears are respectively mounted on the two lower rollers, and the two gears are respectively engaged with a middle gear rotatably mounted on the left stand or the right stand; the power mechanism comprises a crank which is fixedly arranged on any one lower roller.
6. The three-roller plate bending machine as claimed in claim 1, wherein the long-toothed gears are respectively mounted on any one of the lower roller and the upper roller, the two long-toothed gears are meshed and connected, and the distance between the two long-toothed gears is the same as the floating distance of the upper roller.
7. The three-roller plate rolling machine according to claim 1, wherein the return spring is a compression spring arranged at the bottom of the two sliding blocks or a torsion spring arranged at the side of the two sliding blocks.
8. The three-roller plate bending machine according to claim 1, further comprising a base, wherein the base is disposed under the left frame and the right frame, the supports are connected with the left frame and the right frame, the base is a frame, the four corners of the bottom of the base are respectively provided with the supports, and the two supports on the same side are fixedly connected through the connecting rods which are obliquely disposed.
CN201921041597.9U 2019-07-05 2019-07-05 Three-roller plate bending machine Active CN210231098U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921041597.9U CN210231098U (en) 2019-07-05 2019-07-05 Three-roller plate bending machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921041597.9U CN210231098U (en) 2019-07-05 2019-07-05 Three-roller plate bending machine

Publications (1)

Publication Number Publication Date
CN210231098U true CN210231098U (en) 2020-04-03

Family

ID=69989793

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921041597.9U Active CN210231098U (en) 2019-07-05 2019-07-05 Three-roller plate bending machine

Country Status (1)

Country Link
CN (1) CN210231098U (en)

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