CN210820532U

CN210820532U - Online heavy load clearance fine-tuning of super wide PC sheet make-up machine

Info

Publication number: CN210820532U
Application number: CN201921758146.7U
Authority: CN
Inventors: 杨新生
Original assignee: Chongqing Ronghao Taishi Science And Technology Co ltd
Current assignee: Chongqing Ronghao Taishi Science And Technology Co ltd
Priority date: 2019-10-20
Filing date: 2019-10-20
Publication date: 2020-06-23
Anticipated expiration: 2029-10-20

Abstract

An online heavy-load clearance fine-tuning mechanism of an ultra-wide PC sheet forming machine comprises a lifter and a motor, wherein one end of a shaft of the lifter is connected with a shaft of the motor through a worm gear mechanism, the other end of the shaft of the lifter is connected with a screw rod through a reduction gear mechanism, a lifting arm is in threaded fit with the upper end of the screw rod, a nut is arranged at the lower end of the lifting arm, a wedge block is fixedly connected with the upper end of the lifting arm, the screw rod extends into a guide groove which is arranged in the lifting arm and extends along the axial direction, the top end of the screw rod is movably connected with a rectangular guide block, the rectangular guide block is in circumferential spacing clearance fit in the guide groove, a dovetail guide rail is arranged on the straight surface of the wedge block, the dovetail guide rail is in sliding fit with a dovetail groove arranged on a linear slide block, the linear slide block is fixedly arranged on a bearing seat of a fixed roller of the ultra-wide, the lifting motion of the lifting arm adjusts the distance between the linear sliding block and the inclined plane sliding block.

Description

Online heavy load clearance fine-tuning of super wide PC sheet make-up machine

Technical Field

The utility model relates to a PC sheet shaping field, in particular to online heavy load clearance fine-tuning of super wide PC sheet make-up machine.

Background

Polycarbonate (abbreviated as PC) which is one of five engineering plastics is rapidly developed due to excellent comprehensive properties and outstanding physical, mechanical and thermal properties. At present, the width of a PC sheet production line is relatively small, the width of a PC sheet product is usually about 1.5m, the gap adjustment of a sheet forming machine is relatively easy, and the gap adjustment requirement of the forming machine can be met by adopting a common worm gear elevator. However, with the development, the social demand for ultra-wide PC sheets is increasing, the weight of a forming machine for producing the ultra-wide PC sheets is greatly increased, the gap needs to be adjusted by sufficient jacking force, and the gap needs to be kept unchanged under a large pressure. If bigger elevator and motor are used to adjust the gap of super wide PC sheet forming machine, in order to meet the installation requirement of bigger elevator, the gap of forming machine must be big enough, and increase the gap of forming machine needs to use forming machine with bigger diameter, thus the manufacturing cost of super wide PC sheet is increased greatly, and when adjusting the gap, the operation of forming machine is stopped usually, then the gap adjustment is carried out, which not only affects the production efficiency of factory, but also increases the initial preparation time of forming machine, and causes the waste of raw material in initial operation. In addition, the elevator is used under very high pressure for a long time, which can cause the turbine and worm of the elevator to wear, thereby affecting the accuracy of gap adjustment of the ultra-wide PC sheet forming machine.

Disclosure of Invention

The utility model aims at prior art not enough, provide an online heavy load clearance fine-tuning of super wide PC sheet make-up machine, its clearance that can online adjustment make-up machine when super wide PC sheet make-up machine heavy load, device safe and reliable, easy operation is convenient.

The technical scheme of the utility model is that: an online heavy-load clearance fine-tuning mechanism of an ultra-wide PC sheet forming machine comprises a lifter and a motor, wherein one end of a shaft of the lifter is connected with the shaft of the motor through a turbine worm mechanism, the other end of the shaft of the lifter is connected with a screw rod through a reduction gear mechanism, the screw rod is supported in a shell of the lifter through a bearing, one end of the screw rod extends outwards, a lifting arm is matched with the extending end of the screw rod through threads, a nut is arranged at the lower end of the lifting arm, a wedge block is fixedly connected at the upper end of the lifting arm, a guide groove extending along the axial direction is arranged in the lifting arm, the screw rod extends into the guide groove, the top end of the screw rod is movably connected with a rectangular guide block, the circumferential limiting clearance of the rectangular guide block is matched in the guide groove, one side of the wedge block is a straight surface, a dovetail guide rail is arranged on the straight surface, the dovetail guide rail is in sliding fit with a dovetail groove arranged on a straight line, the other side of the wedge block is an inclined plane, the inclined plane is in sliding fit with an inclined plane of an inclined plane sliding block, the inclined plane sliding block is fixedly arranged on a bearing seat of a moving roller of the ultra-wide PC sheet forming machine, and the distance between the linear sliding block and the inclined plane sliding block is increased or reduced through the lifting motion of the lifting arm.

The worm of the worm gear mechanism is driven by a motor, the worm gear of the worm gear mechanism is circumferentially fixed on a shaft of the lifter, and the worm is meshed with the worm gear.

The driving gear of the reduction gear mechanism is circumferentially fixed on the shaft of the elevator, the driven gear of the reduction gear mechanism is circumferentially fixed on the screw, and the diameter of the driving gear is smaller than that of the driven gear.

The lifting arm is symmetrically provided with two parallel supporting plates, two parallel supporting plates are respectively provided with an axially extending strip-shaped hole, and the strip-shaped holes are used for being in sliding fit with screws fixed on the wall plate of the ultra-wide PC forming machine.

And a fine adjustment hand wheel is arranged on the shaft of the elevator.

Adopt above-mentioned technical scheme: one end of a shaft of the elevator is connected with the shaft of the motor through the worm gear mechanism, the other end of the shaft of the elevator is connected with a screw through the reduction gear mechanism, the shaft of the elevator rotates through the worm gear mechanism after the motor runs, the shaft of the elevator drives the screw to rotate through the reduction gear mechanism, and the rotating speed of the screw is reduced. The screw rod is provided with a lifting arm at the outer extending end in a threaded fit mode, a nut is arranged at the lower end of the lifting arm, a wedge block is fixedly connected to the upper end of the lifting arm, and along with rotation of the screw rod, the rotating motion of the screw rod is converted into linear motion through the nut at the lower end of the lifting arm, so that the lifting arm can do linear lifting motion. The dovetail guide rail on the straight surface of the wedge block is in sliding fit with the dovetail groove formed in the linear sliding block, the inclined surface of the wedge block is in sliding fit with the inclined surface of the inclined surface sliding block, the linear sliding block is fixedly arranged on a bearing seat of a fixed roller of the ultra-wide PC sheet forming machine, the inclined surface sliding block is fixedly arranged on a bearing seat of a movable roller of the ultra-wide PC sheet forming machine, and the wedge block is driven to move up and down between the linear sliding block and the inclined surface sliding block by the lifting motion of the lifting arm, so that the distance between the linear sliding block and the inclined surface sliding block is increased or reduced, and the gap adjustment between the fixed roller and the movable roller of the ultra. The spacing clearance fit in the guide way of top swing joint's rectangle guide block circumference of screw rod, this rectangle guide block can play the spacing effect of circumference to the lifing arm, prevents that the lifing arm from rotating along with the screw rod. The mechanism adopts the wedge block which can do lifting motion to realize the gap adjustment between the fixed roller and the movable roller of the ultra-wide PC sheet forming machine, the vertical component force of the wedge block is far smaller than the pressing force of the fixed roller and the movable roller to the wedge block, the vertical component force required by the wedge block can be met only by the elevator with smaller load, and the worm gear mechanism is adopted between the elevator and the motor, so the gap adjustment of the forming machine with heavy load can be completed by adopting the elevator with smaller load, the cost is greatly saved, the worm gear mechanism has a self-locking function, and once the gap adjustment is completed, the size of the gap can be ensured not to be changed. In addition, because this mechanism sets up between the fixed roller of super wide PC sheet make-up machine and the removal roller, so, when needing to change the thickness of sheet in process of production, need not open the roller and adjust the clearance, the clearance adjustment between fixed roller and the removal roller just can be accomplished on line, has greatly reduced initial preparation time, avoids the waste of raw and other materials to and improve production efficiency.

The worm of the worm gear and worm mechanism is driven by a motor, the worm gear of the worm gear and worm mechanism is circumferentially fixed on a shaft of the lifter, the worm is meshed with the worm gear, the motor drives the worm to rotate, and the worm gear is meshed with the worm gear to enable the worm gear to drive the shaft of the lifter to rotate.

The driving gear of the reduction gear mechanism is circumferentially fixed on the shaft of the elevator, the driven gear of the reduction gear mechanism is circumferentially fixed on the screw, the diameter of the driving gear is smaller than that of the driven gear, the driving gear rotates along with the shaft of the elevator, the driving gear is meshed with the driven gear to enable the screw to rotate, and the rotating speed of the screw is smaller than that of the driving gear through the driven gear.

The lifting arm symmetry is equipped with the backup pad of two parallels, be equipped with an axial extension's bar hole in the backup pad of two parallels respectively, the bar hole be used for with fix the screw sliding fit on super wide PC make-up machine wallboard, when the lifting arm was made sharp elevating movement, played the effect of direction through the screw of sliding fit in the bar hole, this screw can also make two backup pads taut in super wide PC sheet make-up machine's wallboard both sides moreover, played the effect that prevents the lifting arm and warp.

The shaft of the lifter is provided with a fine adjustment hand wheel, and the shaft of the lifting arm can be rotated through the fine adjustment hand wheel, so that the screw rod is driven to rotate, and the gap of the ultra-wide PC sheet forming machine is finely adjusted.

The invention is further described with reference to the drawings and the specific embodiments.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of FIG. 1 taken along line A;

FIG. 3 is an assembly view of the present invention with an ultra-wide PC sheet forming machine;

fig. 4 is a schematic view of the worm-and-gear mechanism and the reduction gear mechanism.

In the attached drawing, 1 is a lifter, 2 is a motor, 3 is a screw rod, 4 is a lifting arm, 4-1 is a guide groove, 4-2 is a support plate, 4-3 is a strip-shaped hole, 5 is a nut, 6 is a wedge block, 7 is a rectangular guide block, 8 is a linear slide block, 9 is a fixed roller, 10 is an inclined plane slide block, 11 is a movable roller, 12 is a screw, 13 is a fine adjustment hand wheel, 14 is a driving gear, 15 is a driven gear, 16 is a hydraulic power part, 17 is a worm, and 18 is a turbine.

Detailed Description

Referring to fig. 1 to 4, an online heavy-duty gap fine-tuning mechanism of an ultra-wide PC sheet forming machine comprises an elevator 1 and a motor 2. One end of a shaft of the elevator 1 is connected with a shaft of the motor 2 through a worm gear mechanism, a worm 17 of the worm gear mechanism is driven by the motor 2, a worm wheel 18 of the worm gear mechanism is circumferentially fixed on the shaft of the elevator 1, the worm 17 is meshed with the worm wheel 18, the motor 2 drives the worm 17 to rotate, the worm 17 is meshed with the worm wheel 18, and the worm wheel 18 drives the shaft of the elevator 1 to rotate; the other end of the lifting device is connected with a screw 3 through a reduction gear mechanism, a driving gear 14 of the reduction gear mechanism is circumferentially fixed on a shaft of the lifting device 1, a driven gear 15 of the reduction gear mechanism is circumferentially fixed on the screw 3, the diameter of the driving gear 14 is smaller than that of the driven gear 15, the driving gear 14 rotates along with the shaft of the lifting device 1, the driving gear 14 is meshed with the driven gear 15 to enable the screw 3 to rotate, and the driven gear 15 can play a role in reducing speed due to the fact that the diameter of the driving gear 14 is smaller than that of the driven gear 15, so that the rotating speed transmitted to the screw 3 by the lifting device 1 is reduced, and the driving gear 14 and the driven gear 15. The screw 3 is supported on a shell of the lifter 1 through a bearing, one end of the screw extends outwards, the extending end of the screw 3 is matched with a lifting arm 4 through threads, a nut 5 is arranged at the lower end of the lifting arm 4, a wedge block 6 is fixedly connected at the upper end of the lifting arm 4, and along with the rotation of the screw 3, the rotation motion of the screw 3 is converted into linear motion through the nut 5 at the lower end of the lifting arm 4, so that the lifting arm 4 performs linear lifting motion, and the wedge block 6 at the upper end of the lifting arm 4 performs lifting motion along with the lifting arm 4. The lifting arm 4 is internally provided with a guide groove 4-1 extending along the axial direction, and the screw 3 extends into the guide groove 4-1 to ensure that the lifting arm 4 has enough lifting distance. The lifting arm 4 is symmetrically provided with two parallel supporting plates 4-2, the two parallel supporting plates 4-2 are respectively provided with an axially extending strip-shaped hole 4-3, the strip-shaped hole 4-3 is used for being in sliding fit with a screw 12 fixed on a wallboard of the ultra-wide PC forming machine, when the lifting arm 4 makes a straight lifting motion, the screw 12 in the strip-shaped hole 4-3 is in sliding fit to play a guiding role, and the screw 12 can also enable the two supporting plates 4-2 to be fixed on two sides of the wallboard of the ultra-wide PC sheet forming machine, so that the supporting plates 4-2 are tensioned towards one side of the wallboard of the ultra-wide PC sheet forming machine, and the lifting arm 4 is prevented from being deformed. The top end of the screw rod 3 is movably connected with a rectangular guide block 7, the rectangular guide block 7 can be prevented from rotating along with the screw rod 3 in a movable connection mode, the rectangular guide block 7 is circumferentially limited and in clearance fit in the guide groove 4-1, the rectangular guide block 7 plays a circumferential limiting role on the lifting arm 4, the lifting arm 4 is prevented from rotating along with the screw rod 3, and the lifting arm 4 is guaranteed to do linear lifting motion. One side of the wedge block 6 is a straight surface, a dovetail guide rail is arranged on the straight surface, the dovetail guide rail is in sliding fit with a dovetail groove formed in a linear sliding block 8, the linear sliding block 8 is fixedly installed on a bearing seat of a fixed roller 9 of the ultra-wide PC sheet forming machine, the other side of the wedge block 6 is an inclined surface, the inclined surface is in sliding fit with an inclined surface of an inclined surface sliding block 10, the inclined surface sliding block 10 is fixedly installed on a bearing seat of a moving block 11 of the ultra-wide PC sheet forming machine, and the wedge block 6 is driven to slide between the linear sliding block 8 and the inclined surface sliding block 10 by the lifting motion of the lifting arm 4, so that the distance between the linear sliding block 8 and the inclined surface sliding block 10 is increased or reduced by the lifting motion of the lifting arm 4, and the purpose of fine adjustment of the clearance of the ultra-wide PC sheet forming machine is realized even.

The fine adjustment hand wheel 13 is arranged on the shaft of the elevator 1, when the distance deviation between the fixed roller 9 and the movable roller 11 is small, the shaft of the elevator 1 can be manually rotated through the fine adjustment hand wheel 13 to drive the screw rod 3 to rotate, and the distance between the fixed roller 9 and the movable roller 11 is finely adjusted.

The utility model discloses when using, earlier make super wide PC sheet make-up machine's removal 11 and fixed roller 9 part through hydraulic power spare 16, then according to required PC sheet thickness, starter motor 2 drives 1 messenger lifing arm 4 and makes rising or descending motion, thereby make the forked tail guide rail of voussoir 6 slide in sharp slider 8's dovetail, adjust suitable interval with sharp slider 8 and inclined plane slider 10, rethread hydraulic power spare 16 promotes to move 11 antedisplacement, the inclined plane that makes inclined plane slider 10 is in the same place with the inclined plane pressfitting of voussoir 6. After the inclined plane slider 10 and the wedge block 6 are pressed together, the gap between the fixed roller 9 and the movable roller 11 is measured, if deviation exists, the motor 2 can be started again, the elevator 1 pushes the lifting arm 4 to do ascending or descending motion, so that the dovetail guide rail of the wedge block 6 is driven to slide in the dovetail groove of the linear slider 8, the gap between the fixed roller 9 and the movable roller 11 is finely adjusted, or the fine adjustment hand wheel 13 is used for manually finely adjusting the gap between the fixed roller 9 and the movable roller 11.

The utility model discloses a can make elevating movement's voussoir 6 realize the fixed roller 9 of super wide PC sheet forming machine and remove the clearance adjustment between the roller 11, the vertical component that voussoir 6 received is less than fixed roller 9 far away and removes roller 11 to its pressfitting power, only need use the less lift 1 of load can satisfy the required vertical component of voussoir 6, and adopted worm gear 17 mechanism between lift 1 and the motor 2, consequently, adopt the less lift 1 of load just can accomplish the clearance fine setting of the super wide PC sheet forming machine of great load, the cost is practiced thrift widely, and worm gear 17 mechanism has self-locking function, in case after clearance adjustment accomplishes, can guarantee that the size in this clearance does not change, make this mechanism safe and reliable in the use. In addition, because this mechanism sets up between the fixed roller 9 of super wide PC sheet make-up machine and removes roller 11, so, when the thickness of needs change sheet in process of production, need not open the roller and just can carry out the clearance fine setting to make this mechanism can accomplish the clearance fine setting between fixed roller 9 and the removal roller 11 on line, need not carry out initial clearance again and adjust, greatly reduced initial preparation time, avoid the waste of raw and other materials, and improve production efficiency.

The mechanism is arranged at two ends of the roller, and when the thickness of the PC sheet is inconsistent, the clearance on one side can be finely adjusted through the mechanism, so that the thickness of the PC sheet is kept uniform and consistent. Moreover, because the width of the ultra-wide PC sheet forming machine is usually very large, after the forming machine is installed, the position of the roller is higher, and the lifting arm 4 arranged in the mechanism is longer, so that a worker can operate the mechanism on the ground, and the use is very convenient.

Claims

1. The utility model provides an online heavy load clearance fine-tuning of super wide PC sheet make-up machine which characterized in that: the lifting mechanism comprises a lifter (1) and a motor (2), wherein one end of a shaft of the lifter (1) is connected with the shaft of the motor (2) through a worm gear mechanism, the other end of the shaft is connected with a screw (3) through a reduction gear mechanism, the screw (3) is supported in a shell of the lifter (1) through a bearing, one end of the screw is extended outwards, the extended end of the screw (3) is matched with a lifting arm (4) through threads, the lower end of the lifting arm (4) is provided with a nut (5), the upper end of the lifting arm is fixedly connected with a wedge block (6), a guide groove (4-1) extending along the axial direction is arranged in the lifting arm (4), the screw (3) extends into the guide groove (4-1), the top end of the screw (3) is movably connected with a rectangular guide block (7), the rectangular guide block (7) is circumferentially limited and is in clearance fit in the guide groove (4-1), one side of the wedge block (, be equipped with the dovetail guide rail on this straight face, the dovetail sliding fit that sets up on dovetail guide rail and a straight line slider (8), straight line slider (8) are used for fixed mounting on the bearing frame of super wide PC sheet forming machine's fixed roller (9), and the opposite side of voussoir (6) is the inclined plane, and the inclined plane sliding fit of this inclined plane and an inclined plane slider (10), inclined plane slider (10) are used for fixed mounting on the bearing frame of super wide PC sheet forming machine's removal roller (11), and the elevating movement through lifing arm (4) makes the interval increase between straight line slider (8) and inclined plane slider (10) or dwindle.

2. The on-line heavy duty gap fine adjustment mechanism for an ultra-wide PC sheet former of claim 1, further comprising: the worm (17) of the worm gear and worm mechanism is driven by the motor (2), the worm gear (18) of the worm gear and worm mechanism is circumferentially fixed on the shaft of the lifter (1), and the worm is meshed with the worm gear.

3. The on-line heavy duty gap fine adjustment mechanism for an ultra-wide PC sheet former of claim 1, further comprising: a driving gear (14) of the reduction gear mechanism is circumferentially fixed on a shaft of the elevator (1), a driven gear (15) of the reduction gear mechanism is circumferentially fixed on the screw (3), and the diameter of the driving gear (14) is smaller than that of the driven gear (15).

4. The on-line heavy duty gap fine adjustment mechanism for an ultra-wide PC sheet former of claim 1, further comprising: the lifting arm (4) is symmetrically provided with two parallel supporting plates (4-2), the two parallel supporting plates (4-2) are respectively provided with an axially extending strip-shaped hole (4-3), and the strip-shaped hole (4-3) is used for being in sliding fit with a screw (12) fixed on a wall plate of the ultra-wide PC forming machine.

5. The on-line heavy duty gap fine adjustment mechanism for an ultra-wide PC sheet former of claim 1, further comprising: the shaft of the elevator (1) is provided with a fine adjustment hand wheel (13).