Lever type mechanical press
阅读说明：本技术 一种杠杆式机械压力机 (Lever type mechanical press ) 是由 张凤明 于 2019-11-11 设计创作，主要内容包括：本发明公开了一种杠杆式机械压力机,其特征在于：包括机架,模锻设备,冲压装置,机架底部设置底座,模锻设备分为上模和下模,冲压装置是由上轴、中轴、下轴、上下两块板、齿轮、电机组成,两板之间通过中轴连接,中轴两端分别与轴承连接,中间通过连接杆与齿轮连接,电机驱动齿轮,上板通过上轴连接顶板,上轴两端与机架连接,下板通过下轴与模锻设备的上模连接,下轴两端与机架连接,下模固定在底座上。这种折叠式冲压结构,使整个锻压机床具有简洁性,占用空间小,冲压件受力均衡,噪声低和振动小,更节省能源。(The invention discloses a lever type mechanical press, which is characterized in that: the stamping device comprises an upper shaft, a middle shaft, a lower shaft, an upper plate, a lower plate, a gear and a motor, wherein the base is arranged at the bottom of the frame, the stamping device comprises the upper shaft, the middle shaft, the lower shaft, the upper plate and the lower plate, the two plates are connected through the middle shaft, the two ends of the middle shaft are respectively connected with the bearing, the middle part of the middle shaft is connected with the gear through a connecting rod, the motor drives the gear, the upper plate is connected with a top plate through the upper shaft, the two ends of the upper shaft are connected with the frame, the lower plate is connected with the upper die of the stamping. The folding stamping structure enables the whole forging machine tool to have the advantages of simplicity, small occupied space, balanced stress of the stamping part, low noise, small vibration and energy conservation.)
1. A lever type mechanical press is characterized in that: the stamping device comprises an upper shaft, a middle shaft, a lower shaft, an upper plate, a lower plate, a gear and a motor, wherein the base is arranged at the bottom of the frame, the stamping device comprises the upper shaft, the middle shaft, the lower shaft, the upper plate and the lower plate, the two plates are connected through the middle shaft, the two ends of the middle shaft are respectively connected with the bearing, the middle part of the middle shaft is connected with the gear through a connecting rod, the motor drives the gear, the upper plate is connected with a top plate through the upper shaft, the two ends of the upper shaft are connected with the frame, the lower plate is connected with the upper die of the stamping.
2. A lever type mechanical press as claimed in claim 1, wherein: further, a sliding block is arranged between the die forging equipment and the stamping device, and two side ends of the sliding block are respectively connected with a balance cylinder.
3. A lever type mechanical press as claimed in claim 1, wherein: the ejection device is arranged on the base and comprises an ejection swing rod, an ejector rod, an eccentric wheel, a connecting rod 1, a connecting rod 2, a swing rod 1, a swing rod 2, an ejection connecting rod, an ejection rod and an ejection connecting rod fixing seat, wherein the eccentric wheel is connected with a motor through a shaft, the eccentric wheel is installed above the ejection swing rod, the ejection swing rod is connected with the connecting rod 1, the connecting rod 2 and the swing rod 1 are sequentially connected into a whole, the swing rod 1 is connected with the swing rod 2, the swing rod 2 is connected with one end of the ejection rod through the ejection connecting rod, the other end of the ejection rod is installed on the ejection connecting rod fixing seat, and the middle position of the.
4. A lever type mechanical press as claimed in claim 1, wherein: the connecting end of the upper plate and the lower plate of the stamping device is provided with a lubricating structure, the upper plate and the lower plate are internally provided with a groove which is connected with a pipeline of the lubricating structure, and the groove is also contacted with the shaft.
5. A lever type mechanical press as claimed in claim 1, wherein: the lower end of the stamping device is connected with a backing plate.
6. A lever type mechanical press as claimed in claim 1, wherein: and an adjusting device is arranged at the joint of the punching device and the top plate.
7. A lever type mechanical press as claimed in claim 6, wherein: the upper half part of the backing plate is provided with an adjusting block, the lower half part of the backing plate is connected with a die, and the adjusting block is used for adjusting the gap between the upper plate and the top by pushing and pulling so as to adjust the distance between the stamping device and the die forging equipment.
8. A lever type mechanical press as claimed in claim 7, wherein: the adjusting space of the adjusting block is only 0-10 mm.
Technical Field
The invention belongs to the technical field of presses, and particularly relates to a lever type mechanical press.
Background
As a press machine disclosed in chinese patent application No.: CN99230062.2, the fuselage mainly sets up piston cylinder, lever, connecting rod, slider, through the control to the hydro-cylinder, realizes the adjustment to suppression power, slider working stroke, speed, reaches three kinds of technological actions of drawing, suppression, blanking, can not produce the overload phenomenon, can realize the pressurize of each step in the pressing process and the time delay requirement, and the positioning accuracy of slider bottom dead center. However, the press adopts a single lever mode to drive the slide block to press downwards, so that the problems of large power consumption and small pressing force of the slide block of the press are caused.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a lever type mechanical press which is more effective.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lever-type mechanical press comprises a frame, a die forging device and a stamping device, wherein a base is arranged at the bottom of the frame, the die forging device is divided into an upper die and a lower die, the stamping device comprises an upper shaft, a middle shaft, a lower shaft, an upper bar plate, a lower bar plate, a gear and a motor, the two bar plates are connected through the middle shaft, two ends of the middle shaft are respectively connected with a bearing, the middle of the middle shaft is connected with the gear through a connecting rod, the motor drives the gear, the upper bar plate is connected with a top plate through the upper shaft, two ends of the upper shaft are connected with the frame, the lower bar plate is connected with the upper die of the.
Further, a sliding block is arranged between the die forging equipment and the stamping device, and two side ends of the sliding block are respectively connected with a balance cylinder. The balance cylinder is arranged, so that the sliding block is stable in operation, and the phenomenon of unbalance of the upper die in the stamping process can be avoided.
Further, be provided with ejecting device on the base, ejecting device is by liftout pendulum rod, ejector pin, eccentric wheel, connecting
Furthermore, the connecting ends of the upper and lower lever plates of the stamping device are provided with lubricating structures, grooves are arranged in the upper and lower lever plates and connected with pipelines of the lubricating structures, and the grooves are also contacted with the shaft. The friction between the shaft and the upper and lower lever plates is reduced in the punching process through lubricating oil, and the heat generated by the shaft is taken away through circulating lubricating oil.
Further, the lower end of the stamping device is connected with a backing plate.
Further, an adjusting device is arranged at the joint of the punching device and the top plate.
Furthermore, the upper half part of the backing plate is provided with an adjusting block, the lower half part of the backing plate is connected with the die, and the adjusting block is used for adjusting the gap between the upper plate and the top by pushing and pulling out the adjusting block, so that the distance between the stamping device and the die forging equipment is adjusted. The adjusted spacing is only 0-10 mm. The distance between the pushing-in and pulling-out of the adjusting inclined block is equal to the adjusted distance, so that the distance can be quickly adjusted.
The invention has the advantages that:
the lever type stamping die is simple in structural connection and small in occupied space, the middle shaft is pulled from the middle of the two gears through the pull rod, the two gears are balanced in tension, and the lever type stamping die is smaller in power consumption than direct stamping by utilizing the lever principle, so that a stamping part is balanced in stress, low in noise, small in vibration and large in stamping pressure.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a cross-sectional view of the structure of the present invention;
icon: 1. the stamping die comprises a rack, 2, a die forging device, 3, a stamping device, 4, a base, 5, an upper die, 6, a lower die, 7, an upper shaft, 8, a middle shaft, 9, a lower shaft, 10, an upper lever plate, 11, a lower lever plate, 12, a gear, 13, a motor, 14, a slide block, 15, a balance cylinder, 16, an adjusting block, 17, a cushion plate, 18, a connecting shaft, 19, an eccentric disc connecting rod, 20, an eccentric disc connecting rod cover, 21, an ejection oscillating bar, 22, an ejector rod, 23, an eccentric wheel, 24, a connecting
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1 and 2, a lever type mechanical press comprises a frame, a die forging device and a stamping device, wherein a base is arranged at the bottom of the frame, the die forging device is divided into an upper die and a lower die, the stamping device comprises an upper shaft, a middle shaft, a lower shaft, an upper bar plate, a lower bar plate, a gear and a motor, the two bar plates are connected through the middle shaft, two ends of the middle shaft are respectively connected with a bearing, the middle of the middle shaft is connected with the gear through a connecting rod, the motor drives the gear, the upper bar plate is connected with a top plate through the upper shaft, two ends of the upper shaft are connected with the frame, the lower bar plate is connected with the upper die of.
The joints of the upper lever plate and the lower lever plate with the middle shaft are semicircular arcs.
And a sliding block is arranged between the die forging equipment and the stamping device, and two side ends of the sliding block are respectively connected with a balance cylinder. The balance cylinder is arranged, so that the sliding block is stable in operation, and the phenomenon of unbalance of the upper die in the stamping process can be avoided.
The ejection device is arranged on the base and comprises an ejection swing rod, an ejector rod, an eccentric wheel, a connecting
The connecting ends of the upper and lower lever plates of the punching device are provided with lubricating structures, grooves are arranged in the upper and lower lever plates and are connected with pipelines of the lubricating structures, and the grooves are also contacted with the middle shaft. The friction between the middle shaft and the upper and lower lever plates is reduced in the opposite punching process of lubricating oil, and the heat generated by the middle shaft and the upper and lower lever plates is taken away by circulating the lubricating oil.
The lower end of the stamping device is connected with a backing plate.
And an adjusting device is arranged at the joint of the punching device and the top plate.
The upper half part of the backing plate is provided with an adjusting block, the lower half part of the backing plate is connected with a die, and the adjusting block is used for adjusting the gap between the upper plate and the top by pushing and pulling so as to adjust the distance between the stamping device and the die forging equipment. The adjusted spacing is only 0-10 mm.
The present invention is not limited to the above-described preferred embodiments, but rather, any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
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