阅读说明：本技术 一种新型伺服压机 (Novel servo press ) 是由 罗时源 于 2020-07-20 设计创作，主要内容包括：本发明涉及一种新型伺服压机,包括下台板、立柱、上台板、底板、压板、丝杆和驱动压力机构,下台板上方安装立柱、底板,立柱上方安装上台板,上台板边侧安装驱动压力机构,丝杆下端连接压板,压板位于底板上方,所述驱动压力机构包括压力伺服电机、减速器和升降器,压力伺服电机输入动力到减速器,减速器输出动力到升降器,升降器驱动丝杆带动压板下压,压力伺服电机精确调节压力控制压板下移位置,而且减速器、升降器都采用蜗轮蜗杆传动结构,成倍地加大压力伺服伺服电机的扭矩,保证丝杆在压力的反作用下不会反向位移,自锁保压效果好。(The invention relates to a novel servo press, which comprises a lower platen, an upright post, an upper platen, a bottom plate, a pressing plate, a screw rod and a driving pressure mechanism, wherein the upright post and the bottom plate are arranged above the lower platen, the upper platen is arranged above the upright post, the driving pressure mechanism is arranged on the side of the upper platen, the lower end of the screw rod is connected with the pressing plate, the pressing plate is positioned above the bottom plate, the driving pressure mechanism comprises a pressure servo motor, a speed reducer and a lifter, the pressure servo motor inputs power to the speed reducer, the speed reducer outputs power to the lifter, the lifter drives the screw rod to drive the pressing plate to press downwards, the pressure servo motor accurately adjusts the downward moving position of the pressure control pressing plate, the speed reducer and the lifter adopt a worm and gear transmission structure, the torque of the pressure servo motor is increased exponentially, the screw rod cannot be.)

1. The utility model provides a novel servo press which characterized in that: the automatic pressing device comprises a lower platen, a stand column, an upper platen, a bottom plate, a pressing plate, a screw rod and a driving pressure mechanism, wherein the stand column and the bottom plate are installed above the lower platen, the upper platen is installed above the stand column, the driving pressure mechanism is installed on the side of the upper platen, the pressing plate is connected with the lower end of the screw rod and is located above the bottom plate, the driving pressure mechanism comprises a pressure servo motor, a speed reducer and a lifter, the pressure servo motor inputs power to the speed reducer, the speed reducer outputs power to the lifter, and the lifter drives the screw rod to drive the pressing.

2. The new servo press as claimed in claim 1, wherein: the speed reducer comprises a speed reducer shell, a reduction worm and a reduction worm wheel, wherein the reduction worm and the reduction worm wheel are installed inside the speed reducer shell, the pressure servo motor outputs a shaft to connect the reduction worm, the reduction worm is meshed with the reduction worm wheel, the lifter comprises a lifter shell, a lifting worm and a lifting worm wheel which are installed inside the lifter shell, the reduction worm wheel is coaxially connected with the lifting worm, the lifting worm is meshed with the lifting worm wheel, a screw rod is meshed inside the lifting worm wheel, and the lifting worm wheel drives the screw rod to press down.

3. The new servo press as claimed in claim 2, wherein: still include the quick displacement mechanism of the quick oscilaltion of drive lead screw, quick displacement mechanism includes quick servo motor, shaft joint, motor mounting panel, guide and fixed frame, and quick servo motor output shaft passes through the shaft joint and connects the lead screw upper end, and quick servo motor installs in the motor mounting panel, and the motor mounting panel passes through the fixed frame of guide sliding connection, and fixed frame is installed in the top of the platen.

4. A novel servo press as claimed in claim 3, wherein: the guide piece comprises a sliding block and a sliding rail, the sliding block is fixedly installed on the front side and the rear side of the motor installation plate, the sliding block is connected with the sliding rail in a sliding mode, and the sliding rail is fixedly installed on the fixed frame.

5. A novel servo press as claimed in claim 3, wherein: and a magnetic stripe displacement sensor for detecting the moving position of the rapid servo motor is arranged in the fixing frame.

6. The new servo press as claimed in claim 1, wherein: the pressure sensor is installed at the upper end of the pressure plate, the shaft end plate is installed at the upper end of the pressure sensor, the two tapered roller bearings are installed inside the shaft end plate, and the lower end of the screw rod penetrates through the rear threads of the tapered roller bearings to be connected with the nut.

7. The new servo press as claimed in claim 1, wherein: the servo control system is composed of a control screen, a pressure control module and a quick displacement control module.

8. The new servo press as claimed in claim 1, wherein: the upper end of the bottom plate is provided with a guide rod, the guide rod is sleeved with a guide sleeve, and the guide sleeve is arranged on the pressing plate.

Technical Field

The invention relates to the field of pressing equipment, in particular to a novel servo press.

Background

The press machine used in the present market is an oil press machine, the principle of the press machine is that a hydraulic cylinder is used as pressure power, hydraulic oil in an oil tank is pumped by an oil pump and enters the oil cylinder from an oil pipe, pressure oil generated by a motor-driven oil pump pushes a piston rod in the oil cylinder, and the piston rod pressurizes a load. The oil press with the traditional structure has the defects that the pressure change is unstable, the pressure cannot be accurately adjusted, the piston rod can move in a reverse displacement mode, and the pressure maintaining effect is poor.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a novel servo press which is reasonable in structural design, more stable in pressure output and controllable in pressure, and the specific technical scheme is as follows:

the utility model provides a novel servo press, includes platen, stand, last platen, bottom plate, clamp plate, lead screw and drive pressure mechanism down, and lower platen top installation stand, bottom plate, the platen is installed to the stand top, goes up platen avris installation drive pressure mechanism, and the clamp plate is connected to the lead screw lower extreme, and the clamp plate is located the bottom plate top, drive pressure mechanism includes pressure servo motor, reduction gear and riser, and pressure servo motor input power is to the reduction gear, and reduction gear output power is to the riser, and riser drive lead screw drives the clamp plate and pushes down.

As a preferable scheme of the invention, the speed reducer comprises a speed reducer shell, a reduction worm and a reduction worm gear which are arranged inside the speed reducer shell, an output shaft of the pressure servo motor is connected with the reduction worm, the reduction worm is meshed with the reduction worm gear, the lifter comprises a lifter shell, a lifting worm and a lifting worm gear which are arranged inside the lifter shell, the reduction worm gear is coaxially connected with the lifting worm, the lifting worm is meshed with the lifting worm gear, a screw rod is meshed inside the lifting worm gear, and the lifting worm gear drives the screw rod to press down.

As a preferred scheme of the invention, the rapid displacement mechanism for driving the screw rod to rapidly lift up and down is further included, the rapid displacement mechanism comprises a rapid servo motor, a coupler, a motor mounting plate, a guide piece and a fixing frame, an output shaft of the rapid servo motor is connected with the upper end of the screw rod through the coupler, the rapid servo motor is mounted on the motor mounting plate, the motor mounting plate is slidably connected with the fixing frame through the guide piece, and the fixing frame is mounted above the upper platen.

As a preferable scheme of the invention, the guide piece comprises a sliding block and a sliding rail, the sliding block is fixedly installed on the front side and the rear side of the motor installation plate, the sliding block is connected with the sliding rail in a sliding mode, and the sliding rail is fixedly installed on the fixed frame.

As a preferred scheme of the invention, a magnetic stripe displacement sensor for detecting the moving position of the rapid servo motor is installed in the fixing frame.

As a preferable scheme of the invention, the upper end of the pressure plate is provided with a pressure sensor, the upper end of the pressure sensor is provided with an axial end plate, two tapered roller bearings are arranged in the axial end plate, and the lower end of the screw rod penetrates through the tapered roller bearings and then is in threaded connection with a nut.

As a preferred scheme of the invention, the system further comprises a servo control system, and the servo control system consists of a control screen, a pressure control module and a rapid displacement control module.

As a preferred scheme of the invention, the upper end of the bottom plate is provided with a guide rod, the guide rod is sleeved with a guide sleeve, and the guide sleeve is arranged on the pressure plate.

The invention has the beneficial effects that: the pressure servo motor inputs power to the speed reducer, the speed reducer outputs power to the lifter, the lifter drives the screw rod to drive the pressing plate to press downwards, the pressure servo motor accurately adjusts the pressure to control the pressing plate to move downwards, the speed reducer and the lifter adopt worm and gear transmission structures, the torque of the pressure servo motor is increased in a multiplied mode, the screw rod is guaranteed not to displace reversely under the reaction of pressure, and the self-locking pressure maintaining effect is good.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a perspective view of the driving pressure mechanism of the present invention in cooperation with a lead screw;

FIG. 3 is a perspective view of the reducer, riser of the present invention;

FIG. 4 is a perspective view of the rapid displacement mechanism of the present invention;

FIG. 5 is a perspective view of another perspective of the rapid displacement mechanism of the present invention;

FIG. 6 is a perspective view of the screw of the present invention in cooperation with a shaft end plate;

fig. 7 is a control flow block diagram of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 and 2, a novel servo press comprises a lower platen 1, a column 2, an upper platen 3, a bottom plate 4, a pressing plate 5, a screw rod 6 and a driving pressure mechanism 7, wherein the column 2 and the bottom plate 4 are installed above the lower platen 1, the column 2 is located at four corners of the lower platen 1, the upper platen 3 is installed above the column 2, the driving pressure mechanism 7 is installed at the side of the upper platen 3, the lower end of the screw rod 6 is connected with the pressing plate 5, the pressing plate 5 is located above the bottom plate 4, a guide rod 10 is installed at the upper end of the bottom plate 4, the guide rod 10 is sleeved on a guide sleeve 11, the guide sleeve 11 is installed on the pressing plate 5, the driving pressure mechanism 7 comprises a pressure servo motor 71, a speed reducer 72 and a lifter 73, the pressure servo motor 71 inputs power to the speed reducer 72, the speed reducer 72.

As shown in fig. 3, the reducer 72 includes a reducer housing 721, and a reduction worm 722 and a reduction worm wheel 723 installed inside the reducer housing, the output shaft of the pressure servo motor 17 is connected with the reduction worm 722, the reduction worm 722 is engaged with the reduction worm wheel 723, the elevator 73 includes an elevator housing 731, a lifting worm 732 and a lifting worm wheel 733 installed inside the elevator 731 housing, the reduction worm wheel 723 is coaxially connected with the lifting worm 732, the lifting worm 732 is engaged with the lifting worm wheel 733, the lifting worm wheel 733 is provided with an internal thread, the lifting worm wheel 733 is internally engaged with the screw rod 6, and the driving pressure mechanism 7 has the following principle: the pressure servo motor 71 drives the reduction worm 722 to rotate, the reduction worm 722 drives the reduction worm wheel 723 to rotate, the reduction worm wheel 723 drives the lifting worm 732 to rotate, the lifting worm 732 drives the lifting worm wheel 733 to rotate, the lifting worm wheel 733 drives the screw rod 6 to rotate and lift up and down, and the screw rod 6 further drives the pressing plate 6 to press down a workpiece placed on the bottom plate 4.

As shown in fig. 4 and 5, the novel servo press further comprises a fast displacement mechanism 8 for driving the screw rod 6 to rotate rapidly to ascend and descend, the fast displacement mechanism 8 is installed in the control box 9, the control box 9 is installed on the upper platen, a control system is arranged in the control box, the fast displacement mechanism 8 comprises a fast servo motor 81, a coupling 82, a motor mounting plate 83, a guide and a fixed frame 84, an output shaft of the fast servo motor is connected with the upper end of the screw rod 6 through the coupling 82, the upper end of the screw rod 6 passes through the upper platen, the fast servo motor 81 is installed on the motor mounting plate 83, the motor mounting plate 83 is connected with the fixed frame 84 through the guide in a sliding manner, the fixed frame 84 is installed above the upper platen 3, the guide comprises a slide block 85 and a slide rail 86, the slide block 85 is fixedly installed on the front and back sides of the motor, the driving pressure mechanism 7 is used for starting the pressing plate 5 after approaching the workpiece to ensure that the large pressure moves downwards, when the pressing plate 5 is far away from the workpiece, the quick displacement mechanism 8 is started, the quick servo motor 81 drives the screw rod 6 to rotate through the coupler 82, the screw rod 6 ascends and descends when rotating due to the fact that the screw rod 6 is meshed with the lifting worm wheel 733 in the lifter, and the quick servo motor 81 and the motor mounting plate 83 synchronously ascend and descend with the screw rod 6 under the guiding effect of the guiding piece.

As shown in fig. 2 and 6, a pressure sensor 12 is mounted at the upper end of the pressure plate 5, a shaft end plate 13 is mounted at the upper end of the pressure sensor 12, two tapered roller bearings 14 are mounted inside the shaft end plate 13, and the lower end of the screw rod 6 penetrates through the tapered roller bearings 14 and then is in threaded connection with a nut 15, so that the screw rod can rotate, lift and bear pressure.

As shown in fig. 1 and 7, a servo control system is installed in the control box 9, the servo control system is composed of a control screen, a pressure control module, and a fast displacement control module, a magnetic strip displacement sensor 87 for detecting the moving position of the fast servo motor is installed in the fixing frame 84, the magnetic strip displacement sensor 87 detects the moving position of the fast servo motor so as to know the moving position of the screw rod, the fast displacement position and the pressure value are set on the control screen, the fast displacement control module controls the servo motor 81 to start the screw rod to move down fast, the magnetic strip sensor 87 detects the position of the screw rod and transmits the position to the fast displacement control module, when the set fast displacement position is reached, the fast displacement control module controls the fast servo motor 81 to stop braking, the pressure control module controls the pressure servo motor 71 to start, the screw rod is pressed down slowly, the pressure sensor 12 detects instant pressure, when the detected pressure value reaches the set pressure value, the pressure control module controls the pressure servo motor 71 to stop achieving the self-locking pressure maintaining effect.

The above description is for the purpose of describing the invention in more detail with reference to specific preferred embodiments, and it should not be construed that the embodiments of the invention are limited to those described herein, and it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention.