WO2016082076A1 - Pressing device for powder metallurgy - Google Patents

Pressing device for powder metallurgy Download PDF

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Publication number
WO2016082076A1
WO2016082076A1 PCT/CN2014/092034 CN2014092034W WO2016082076A1 WO 2016082076 A1 WO2016082076 A1 WO 2016082076A1 CN 2014092034 W CN2014092034 W CN 2014092034W WO 2016082076 A1 WO2016082076 A1 WO 2016082076A1
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WO
WIPO (PCT)
Prior art keywords
key
shaft
crankshaft
manipulator
clutch
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Application number
PCT/CN2014/092034
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French (fr)
Chinese (zh)
Inventor
潘均
Original Assignee
潘均
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Publication date
Application filed by 潘均 filed Critical 潘均
Priority to PCT/CN2014/092034 priority Critical patent/WO2016082076A1/en
Publication of WO2016082076A1 publication Critical patent/WO2016082076A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D13/00Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
    • B21D13/02Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by pressing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools

Definitions

  • the invention relates to a stamping device, in particular to a stamping device for powder metallurgy.
  • the traditional stamping equipment includes a fuselage and a frame.
  • the fuselage is provided with a motor, a crankshaft, a connecting rod, a slider and a guide rail.
  • the crankshaft is composed of a main shaft, a crank and an eccentric shaft, and the main shaft of the crankshaft extends from the wall panel on both sides of the fuselage.
  • one end is provided with a brake, the other end is provided with a flywheel and a clutch.
  • the clutch has a clutch operating mechanism for controlling the clutch.
  • the eccentric shaft is connected with the main shaft through a crank, one end of the connecting rod is hinged to the eccentric shaft, and the other end passes through the ball head.
  • the screw is connected with the slider.
  • the clutch adopts a single-turn key, which cannot prevent the slider from leading, resulting in unsafe operation.
  • the technical problem to be solved by the present invention is to provide a stamping equipment for powder metallurgy which can prevent the slider from advancing.
  • a stamping equipment for powder metallurgy of the present invention comprises a fuselage and a frame, and a motor, a crankshaft, a connecting rod, a slider and a guide rail are arranged on the fuselage, and the crankshaft is composed of a main shaft, a crank and an eccentric shaft.
  • the main shaft of the crankshaft protrudes from the wall panels on both sides of the fuselage, and one end of the main shaft is provided with a brake, and the other end of the main shaft is provided with a flywheel and a clutch.
  • the clutch has a clutch operating mechanism for controlling the clutch, and the eccentric shaft passes through the crank and the main shaft.
  • the clutch is a double-turn key rigid clutch, including a middle sleeve, an inner sleeve, and a main transfer key for transmitting torque.
  • the main gear and the sub-transfer key respectively comprise a key body, a key handle and a key tongue which are integrally connected, and the key body is cylindrical, and the key handle and the key tongue are respectively located at two ends of the key body and are vertical Key body a line, the outer circumference of the inner sleeve is provided with a groove for respectively storing a main turn key and a sub-turn key body and a key tongue, and a key tongue direction of the sub-turn key is opposite to the main turn key, and the inner side of the middle sleeve is evenly distributed a groove having a shape and a position adapted to the key of the main transfer key
  • the present invention achieves the following beneficial effects: after the double-turn key structure is adopted, when the key of the main turn key is transferred into the middle sleeve groove to transmit torque, the key of the auxiliary transfer key is on the connecting plate and the bridge plate. Drive it into the other groove of the middle sleeve to prevent the slider from leading.
  • the clutch operating mechanism of the clutch includes an electromagnet, a lever and a manipulator, and is operated
  • the utility model comprises a manipulator shaft.
  • the manipulator shaft is provided with a safety cam, a main cam, a manipulator gear and a manipulator spring.
  • the manipulator gear meshes with the manipulator rack, and the manipulator rack is connected with the upper end of the pull rod, and the bottom of the pull rod is
  • the electromagnet, the key handle of the main turn key is located between the main cam and the safety cam. It reduces the labor intensity of the operator and makes the operation more reliable.
  • one end of the crankshaft extends out of the brake, and the shaft end is provided with an adjustable connecting sleeve.
  • the circumference of the connecting sleeve is provided with a joystick pin parallel to the axis of the spindle, and the automatic feeding lever and the shaft of the operating rod Hinged.
  • the rotation of the spindle moves the upper end of the automatic feeding lever through the joystick pin shaft to make a circular motion, and the lower end of the automatic feeding joystick sends a feeding signal to the automatic feeding mechanism, because the action signal of the automatic feeding joystick is sent by the main shaft of the pressing machine,
  • the feeding step of the automatic feeding device is synchronized with the slider punching.
  • a plurality of pin holes are distributed on the outer end surface of the connecting sleeve, and the pin holes are not equidistant from the axis of the main shaft, and the joystick pin is hinged in a certain pin hole. Replacing the pin holes allows the radius of the circular motion of the upper end of the automatic feed lever to be changed to accommodate more variety needs.
  • the lower left end of the fuselage is hinged to the right end of the frame through a fuselage fixing pin, and the lower right end of the fuselage is fixed to the right end of the frame through the adjustable pin shaft of the fuselage
  • the fuselage adjustable pin is located in a circular arc groove of the frame.
  • Fig. 1 is a front view of a stamping apparatus for powder metallurgy of the present invention.
  • Figure 2 is a right side view of the stamping apparatus for powder metallurgy of the present invention.
  • Figure 3 is a left side view of the stamping apparatus for powder metallurgy of the present invention.
  • Figure 4 is a cross-sectional view of the clutch of the main switch and the auxiliary key inserted into the middle sleeve.
  • Figure 5 is a cross-sectional view of the clutch of the main transfer key and the auxiliary key leaving the middle cover.
  • Figure 6 is a cross-sectional view showing a portion where the key shank of the clutch is coupled to the spring.
  • Figure 7 is an end view of the side of the clutch key.
  • the punching device includes a frame 1 and a body 2, and the body 2 is provided with a motor 18 and a crankshaft 11.
  • the connecting rod 14, the slider 3 and the guide rail 4, the crankshaft 11 is composed of a main shaft, a crank and an eccentric shaft.
  • the main shaft of the crankshaft 11 passes through the main shaft hole of the wall plate on both sides of the fuselage 2, and is supported by the wall of the fuselage 2 through the bearing.
  • one end of the main shaft protrudes from the fuselage 2 wall plate is connected with the flywheel 22 through a key, and the other end is connected with the brake 15 through a key.
  • the eccentric shaft is fixedly connected with the main shaft through a crank, and one end of the connecting rod 14 is hinged with the eccentric shaft.
  • the other end of the connecting rod 14 is connected to the slider 3 through the ball screw 31.
  • the guide rail 4 is fixed on the body 2, and the slider 3 can be moved up and down along the guide rail 4.
  • the clutch operating mechanism includes an electromagnet 5, a tie rod 6 and a manipulator 32.
  • the manipulator 32 includes a manipulator shaft 35.
  • the manipulator shaft 35 is sequentially provided with a safety cam 8, a main cam 9, and a manipulator gear 36.
  • a manipulator spring 34 the manipulator gear 36 meshes with the manipulator rack 37, the lower end of the manipulator rack 37 is connected to the upper end of the tie rod 6, the lower part of the pull rod 6 is an electromagnet 5, and the key handle 27 of the main turn key 13 is located at the main Between the cam 9 and the safety cam 8.
  • the motor 18 is rotated by the small pulley 20 via the V-belt 20 to rotate the flywheel 22 at the left end of the transmission shaft 30, thereby driving the pinion 21 mounted at the right end to rotate, and then the pinion gear 21 drives the large gear 7 to rotate, and the large gear 7 drives the crankshaft 11 to rotate. Therefore, the link 14 mounted on the eccentric shaft of the crankshaft 11 is rotated, and the connecting rod 14 is connected to the slider 3 through the ball screw 31, thereby driving the slider 3 to reciprocate along the guide rail 4.
  • the clutch is a double-turn key rigid clutch, including a middle sleeve 29, an inner sleeve 28, a main transfer key 13 for transmitting torque, a sub-transfer key 10 for preventing the slider 3 from advancing, and a spring, and the inner sleeve 28 is passed through the crankshaft.
  • the key 12 is connected to the crankshaft 11, and the middle sleeve 29 is sleeved outside the inner sleeve 28.
  • the two sleeves are matched with each other.
  • the middle sleeve 29 is connected to the large gear 7 through the large flat key 33.
  • the main rotation key 13 and the sub-transfer key 10 are integrally connected.
  • the key body, the key handle 27, the key tongue, the key body is cylindrical, the key handle 27 and the key tongue are respectively located at two ends of the key body and perpendicular to the axis of the key body, and the outer circumference of the inner sleeve 28 is respectively provided for storing the main turn key 13 and the auxiliary
  • the key of the key 10 and the key of the key tongue, the direction of the key of the sub-transfer key 10 is opposite to that of the main rotation key 13, and the inner side of the middle sleeve 29 is evenly distributed with three shapes and positions and the keys of the main rotation key 13 and the sub-transfer key 10.
  • a groove that fits the tongue is evenly distributed with three shapes and positions and the keys of the main rotation key 13 and the sub-transfer key 10.
  • one end of the spring is connected to the key shank and the other end is fixed to the inner sleeve.
  • the end faces of the main turn key 13 and the sub-transfer key 10 are respectively provided with connecting plates 23, and the two ends of the bridge plate 24 are respectively hinged to the free ends of the two connecting plates 23 through the connecting plate pin shafts 25, respectively. .
  • the engagement and disengagement of the clutch is achieved by a manipulator 32 mounted to the right of the body 2.
  • the electromagnet 5 is sucked.
  • the pull rod 6 pulls down the manipulator rack 37, and the manipulator rack 37 drives the manipulator gear 36 to rotate, so that the manipulator shaft 35 is rotated by a certain angle.
  • the key handle 27 at the left end of the main turn key 13 leaves the main cam 9, and under the action of the spring 26, the main turn key 13 enters into any of the three recesses of the middle sleeve 29, and is mounted at the right end of the main turn key 13 at the same time.
  • the connecting plate 23 drives the sub-transfer key 10 into the other recess of the middle sleeve 29 via the bridge plate 24 and the connecting plate pin shaft 25.
  • the large gear 7 passes the large flat key 33
  • the middle sleeve 29 passes the main turn key 13 and the vice.
  • the turn key 10, the inner sleeve 28, and the crank flat key 12 drive the crankshaft 11 to rotate.
  • one end of the crankshaft 11 extends beyond the brake 15, and the shaft end is provided with an adjustable connecting sleeve 16.
  • the circumference of the connecting sleeve 16 is provided with a lever pin parallel to the axis of the spindle, and the automatic feeding lever 17 is operated.
  • the rod pin shaft is hinged, and the automatic feeding lever 17 controls the automatic feeding device, and feeds with the rotation of the punching device main shaft, so that the feeding step of the automatic feeding device can be synchronized with the slider 3 punching times.
  • a plurality of pin holes are distributed on the outer end surface of the connecting sleeve 16, and the pin holes are not equidistant from the axis of the main shaft, and the lever pin shaft is hinged in one of the pin holes. Replacing the pin holes allows the radius of the circular motion of the upper end of the automatic feed lever 17 to be changed to accommodate more variety needs.
  • the lower left end of the fuselage 2 is hinged to the right end of the frame through the fuselage fixing pin shaft, and the lower right end of the fuselage is fixed to the right end of the frame through the adjustable pin shaft of the fuselage, and the adjustable pin shaft of the fuselage is located in the arc of the frame In the slot.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

A pressing device for powder metallurgy, comprising a machine body (2) and a machine frame (1), the machine body being provided with an electric motor (18), a crankshaft (11), a connecting rod (14), a sliding block (3), and a guide rail (4); the main shaft of the crankshaft extends beyond two sidewall panels of the machine body, one end being provided with a brake (15), and the other end being provided with a flywheel (22) and a clutch; the clutch is a double turn-key rigid clutch, and is controlled by an electromagnet (5), a pull rod (6), and a manipulator (32); one end of the connecting rod is hinged to an eccentric shaft, and the other end is connected to the sliding block by means of a ball-head screw; when the electric motor drives the flywheel to turn the main shaft, one end of the connecting rod moves with the eccentric shaft in a circular motion around the axis of the main shaft, and the other end drives the reciprocating movement of the sliding block along the guide rail; and an automatic feed operating rod is mounted on one end of the crankshaft. The present pressing device prevents excessive advance of the sliding block and reverse rotation of the crankshaft, and allows synchronisation of the feeding pitch by an automatic feed apparatus and the pressing rate of the sliding block.

Description

粉末冶金用冲压设备Stamping equipment for powder metallurgy 技术领域Technical field
本发明涉及一种冲压设备,尤其涉及一种粉末冶金用冲压设备。The invention relates to a stamping device, in particular to a stamping device for powder metallurgy.
背景技术Background technique
传统的冲压设备,包括机身与机架,机身上设有电机、曲轴、连杆、滑块与导轨,曲轴由主轴、曲柄及偏心轴组成,曲轴的主轴伸出机身两侧墙板外,一端设有制动器,另一端设有飞轮及离合器,离合器具有控制其离合的离合操纵机构,偏心轴通过曲柄与主轴连接在一起,连杆的一端与偏心轴相铰接,另一端通过球头螺杆与滑块相连,电机驱动飞轮使主轴旋转时,连杆的一端随偏心轴绕主轴的轴线作圆周运动,另一端带动滑块沿导轨作往复运动。离合器采用单转键,无法防止滑块超前,造成操作中的不安全。The traditional stamping equipment includes a fuselage and a frame. The fuselage is provided with a motor, a crankshaft, a connecting rod, a slider and a guide rail. The crankshaft is composed of a main shaft, a crank and an eccentric shaft, and the main shaft of the crankshaft extends from the wall panel on both sides of the fuselage. In addition, one end is provided with a brake, the other end is provided with a flywheel and a clutch. The clutch has a clutch operating mechanism for controlling the clutch. The eccentric shaft is connected with the main shaft through a crank, one end of the connecting rod is hinged to the eccentric shaft, and the other end passes through the ball head. The screw is connected with the slider. When the motor drives the flywheel to rotate the spindle, one end of the connecting rod moves circumferentially around the axis of the main shaft with the eccentric shaft, and the other end drives the slider to reciprocate along the guide rail. The clutch adopts a single-turn key, which cannot prevent the slider from leading, resulting in unsafe operation.
发明内容Summary of the invention
本发明要解决的技术问题是提供一种能防止滑块超前的粉末冶金用冲压设备。The technical problem to be solved by the present invention is to provide a stamping equipment for powder metallurgy which can prevent the slider from advancing.
为了解决上述问题,本发明的一种粉末冶金用冲压设备,包括机身与机架,机身上设有电机、曲轴、连杆、滑块与导轨,所述曲轴由主轴、曲柄及偏心轴组成,曲轴的主轴伸出机身两侧墙板外,主轴一端设有制动器,主轴另一端设有飞轮及离合器,所述离合器具有控制其离合的离合操纵机构,所述偏心轴通过曲柄与主轴连为一体,连杆的一端与偏心轴相铰接,连杆另一端通过球头螺杆与滑块相连,所述离合器为双转键刚性离合器,包括中套、内套、传递扭矩的主转键、防止滑块超前及曲轴能够反转的副转键及弹簧,所述内套通过曲轴平键与曲轴相连,所述中套套在内套外且两者间隙配合,所述中套通过大平键与大齿轮径向固定,所述主转键及副转键均包括连为一体的键体、键柄、键舌,键体为圆柱状,键柄与键舌分别位于键体两端且垂直于键体的轴线,所述内套的外周设有分别存放主转键及副转键键体与键舌的凹槽,副转键的键舌方向与主转键相反,所述中套的内侧均布三个形状及位置与主转键及副转键的键舌相适配的凹槽,所述主转键及副转键键舌一侧的端面分别设有连接板,桥板两端通过连接板销轴分别与两连接板的自由端相铰接,所述弹簧一端与键柄相连,另一端固定在内套上。In order to solve the above problems, a stamping equipment for powder metallurgy of the present invention comprises a fuselage and a frame, and a motor, a crankshaft, a connecting rod, a slider and a guide rail are arranged on the fuselage, and the crankshaft is composed of a main shaft, a crank and an eccentric shaft. The main shaft of the crankshaft protrudes from the wall panels on both sides of the fuselage, and one end of the main shaft is provided with a brake, and the other end of the main shaft is provided with a flywheel and a clutch. The clutch has a clutch operating mechanism for controlling the clutch, and the eccentric shaft passes through the crank and the main shaft. Connected to one body, one end of the connecting rod is hinged with the eccentric shaft, and the other end of the connecting rod is connected with the sliding block through a ball screw. The clutch is a double-turn key rigid clutch, including a middle sleeve, an inner sleeve, and a main transfer key for transmitting torque. a sub-rotation key and a spring that prevent the slider from advancing and the crankshaft can be reversed, and the inner sleeve is connected to the crankshaft through a flat key of the crankshaft, the middle sleeve is outside the inner sleeve and the two are gap-fitted, and the middle sleeve passes the large flat key The main gear and the sub-transfer key respectively comprise a key body, a key handle and a key tongue which are integrally connected, and the key body is cylindrical, and the key handle and the key tongue are respectively located at two ends of the key body and are vertical Key body a line, the outer circumference of the inner sleeve is provided with a groove for respectively storing a main turn key and a sub-turn key body and a key tongue, and a key tongue direction of the sub-turn key is opposite to the main turn key, and the inner side of the middle sleeve is evenly distributed a groove having a shape and a position adapted to the key of the main transfer key and the sub-transfer key, and the end faces of the main transfer key and the sub-transfer key are respectively provided with connecting plates, and the two ends of the bridge plate pass through the connecting plate The pins are respectively hinged to the free ends of the two connecting plates, one end of the spring is connected to the key handle, and the other end is fixed to the inner sleeve.
现对于现有技术,本发明取得了如下有益效果:采用双转键结构后,当主转键的键舌转入中套凹槽内传递扭矩时,副转键的键舌在连接板及桥板带动下,转入中套的另一凹槽内,防止滑块超前。Now, with the prior art, the present invention achieves the following beneficial effects: after the double-turn key structure is adopted, when the key of the main turn key is transferred into the middle sleeve groove to transmit torque, the key of the auxiliary transfer key is on the connecting plate and the bridge plate. Drive it into the other groove of the middle sleeve to prevent the slider from leading.
作为本发明的优选方案,离合器的离合操纵机构包括电磁铁、拉杆及操纵器,操纵 器包括操纵器轴,操纵器轴上依次设有保险凸轮、主凸轮、操纵器齿轮、操纵器弹簧,操纵器齿轮与操纵器齿条啮合,操纵器齿条与拉杆的上端相连,拉杆下方为电磁铁,主转键的键柄位于主凸轮与保险凸轮之间。降低了操作工的劳动强度,操作更为可靠。As a preferred embodiment of the present invention, the clutch operating mechanism of the clutch includes an electromagnet, a lever and a manipulator, and is operated The utility model comprises a manipulator shaft. The manipulator shaft is provided with a safety cam, a main cam, a manipulator gear and a manipulator spring. The manipulator gear meshes with the manipulator rack, and the manipulator rack is connected with the upper end of the pull rod, and the bottom of the pull rod is The electromagnet, the key handle of the main turn key is located between the main cam and the safety cam. It reduces the labor intensity of the operator and makes the operation more reliable.
作为本发明的改进,曲轴一端伸出制动器外,轴端设有可调式连接套,连接套的圆周上设有与主轴轴线平行的操纵杆销轴,自动进料操纵杆与操纵杆销轴相铰接。主轴的旋转通过操纵杆销轴牵动自动送料操纵杆的上端做圆周运动,自动送料操纵杆的下端给自动进料机构发出进料信号,由于自动送料操纵杆的动作信号由压力机主轴发出,可以使自动进料装置的送料步距与滑块冲次实现同步。As an improvement of the present invention, one end of the crankshaft extends out of the brake, and the shaft end is provided with an adjustable connecting sleeve. The circumference of the connecting sleeve is provided with a joystick pin parallel to the axis of the spindle, and the automatic feeding lever and the shaft of the operating rod Hinged. The rotation of the spindle moves the upper end of the automatic feeding lever through the joystick pin shaft to make a circular motion, and the lower end of the automatic feeding joystick sends a feeding signal to the automatic feeding mechanism, because the action signal of the automatic feeding joystick is sent by the main shaft of the pressing machine, The feeding step of the automatic feeding device is synchronized with the slider punching.
作为本发明的改进,所述连接套的外端面上分布有多个销孔,各所述销孔与所述主轴的轴线距离不等,所述操纵杆销轴铰接在某一个销孔中。更换销孔可以使自动进料操纵杆上端做圆周运动的半径发生改变,以适应更多的品种需要。As an improvement of the present invention, a plurality of pin holes are distributed on the outer end surface of the connecting sleeve, and the pin holes are not equidistant from the axis of the main shaft, and the joystick pin is hinged in a certain pin hole. Replacing the pin holes allows the radius of the circular motion of the upper end of the automatic feed lever to be changed to accommodate more variety needs.
作为本发明的改进,所述机身的下部左端通过机身固定销轴铰接在所述机架的右端,所述机身的下部右端通过机身可调销轴固定在所述机架的右端,所述机身可调销轴位于所述机架的圆弧槽中。调整机身可调销轴在机架圆弧槽中的位置,就可以调节机身的倾斜角度。As an improvement of the present invention, the lower left end of the fuselage is hinged to the right end of the frame through a fuselage fixing pin, and the lower right end of the fuselage is fixed to the right end of the frame through the adjustable pin shaft of the fuselage The fuselage adjustable pin is located in a circular arc groove of the frame. By adjusting the position of the adjustable pin shaft of the fuselage in the arc groove of the frame, the tilt angle of the body can be adjusted.
附图说明DRAWINGS
下面结合附图和具体实施方式,对本发明作进一步详细说明。The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
图1为本发明粉末冶金用冲压设备的主视图。Fig. 1 is a front view of a stamping apparatus for powder metallurgy of the present invention.
图2为本发明粉末冶金用冲压设备的右视图。Figure 2 is a right side view of the stamping apparatus for powder metallurgy of the present invention.
图3为本发明粉末冶金用冲压设备的左视图。Figure 3 is a left side view of the stamping apparatus for powder metallurgy of the present invention.
图4为主转键及辅键插入中套的离合器剖视图。Figure 4 is a cross-sectional view of the clutch of the main switch and the auxiliary key inserted into the middle sleeve.
图5为主转键及辅键离开中套的离合器剖视图。Figure 5 is a cross-sectional view of the clutch of the main transfer key and the auxiliary key leaving the middle cover.
图6为离合器的键柄与弹簧连接部位的剖视图。Figure 6 is a cross-sectional view showing a portion where the key shank of the clutch is coupled to the spring.
图7为离合器键舌一侧的端面视图。Figure 7 is an end view of the side of the clutch key.
图中:1机架、2机身、3滑块、4导轨、5电磁铁、6拉杆、7大齿轮、8保险凸轮、9主凸轮、10副转键、11曲轴、12曲轴平键、13主转键、14连杆、15制动器、16连接套、17自动送料操纵杆、18电机、19小皮带轮、20三角带、21小齿轮、22飞轮、23连接板、24桥板、25连接板销轴、26弹簧、27键柄、28内套、29中套、30传动轴、31球头螺杆、32操纵器、33大平键、34操纵器弹簧、35操纵器轴、36操纵器齿轮、37操纵器齿条。In the figure: 1 frame, 2 fuselage, 3 sliders, 4 rails, 5 electromagnets, 6 drawbars, 7 large gears, 8 insurance cams, 9 main cams, 10 pairs of rotary keys, 11 crankshafts, 12 crankshaft flat keys, 13 main turn button, 14 link, 15 brake, 16 connection sleeve, 17 automatic feed lever, 18 motor, 19 small pulley, 20 triangle belt, 21 pinion, 22 flywheel, 23 connection plate, 24 bridge, 25 connection Pin shaft, 26 spring, 27 key shank, 28 inner sleeve, 29 middle sleeve, 30 drive shaft, 31 ball screw, 32 manipulator, 33 large flat button, 34 manipulator spring, 35 manipulator shaft, 36 manipulator gear , 37 manipulator racks.
具体实施方式detailed description
如图1及图2所示,冲压设备包括机架1与机身2,机身2上设有电机18、曲轴11、 连杆14、滑块3与导轨4,曲轴11由主轴、曲柄及偏心轴组成,曲轴11的主轴从机身2两侧墙板的主轴孔中穿出,通过轴承支撑在机身2的墙板上,主轴伸出机身2墙板的一端通过键与飞轮22连接,另一端通过键与制动器15连接,偏心轴通过曲柄与主轴固定连接为一体,连杆14的一端与偏心轴相铰接,连杆14的另一端通过球头螺杆31与滑块3连接,导轨4固定在机身2上,滑块3可沿导轨4作升降运动。As shown in FIG. 1 and FIG. 2, the punching device includes a frame 1 and a body 2, and the body 2 is provided with a motor 18 and a crankshaft 11. The connecting rod 14, the slider 3 and the guide rail 4, the crankshaft 11 is composed of a main shaft, a crank and an eccentric shaft. The main shaft of the crankshaft 11 passes through the main shaft hole of the wall plate on both sides of the fuselage 2, and is supported by the wall of the fuselage 2 through the bearing. On the board, one end of the main shaft protrudes from the fuselage 2 wall plate is connected with the flywheel 22 through a key, and the other end is connected with the brake 15 through a key. The eccentric shaft is fixedly connected with the main shaft through a crank, and one end of the connecting rod 14 is hinged with the eccentric shaft. The other end of the connecting rod 14 is connected to the slider 3 through the ball screw 31. The guide rail 4 is fixed on the body 2, and the slider 3 can be moved up and down along the guide rail 4.
如图2所示,离合操纵机构包括电磁铁5、拉杆6及操纵器32,操纵器32包括操纵器轴35,操纵器轴35上依次设有保险凸轮8、主凸轮9、操纵器齿轮36和操纵器弹簧34,操纵器齿轮36与操纵器齿条37啮合,操纵器齿条37的下端与拉杆6的上端相连,拉杆6下方为电磁铁5,主转键13的键柄27位于主凸轮9与保险凸轮8之间。As shown in FIG. 2, the clutch operating mechanism includes an electromagnet 5, a tie rod 6 and a manipulator 32. The manipulator 32 includes a manipulator shaft 35. The manipulator shaft 35 is sequentially provided with a safety cam 8, a main cam 9, and a manipulator gear 36. And a manipulator spring 34, the manipulator gear 36 meshes with the manipulator rack 37, the lower end of the manipulator rack 37 is connected to the upper end of the tie rod 6, the lower part of the pull rod 6 is an electromagnet 5, and the key handle 27 of the main turn key 13 is located at the main Between the cam 9 and the safety cam 8.
电机18通过小皮带轮19经三角带20带动装在传动轴30左端飞轮22旋转,从而带动装在右端的小齿轮21旋转,再由小齿轮21带动大齿轮7旋转,大齿轮7带动曲轴11旋转,从而带动装在曲轴11偏心轴上的连杆14旋转,连杆14通过球头螺杆31与滑块3连接,从而带动滑块3沿导轨4作往返运动。The motor 18 is rotated by the small pulley 20 via the V-belt 20 to rotate the flywheel 22 at the left end of the transmission shaft 30, thereby driving the pinion 21 mounted at the right end to rotate, and then the pinion gear 21 drives the large gear 7 to rotate, and the large gear 7 drives the crankshaft 11 to rotate. Therefore, the link 14 mounted on the eccentric shaft of the crankshaft 11 is rotated, and the connecting rod 14 is connected to the slider 3 through the ball screw 31, thereby driving the slider 3 to reciprocate along the guide rail 4.
如图4所示,离合器为双转键刚性离合器,包括中套29、内套28、传递扭矩的主转键13、防止滑块3超前的副转键10及弹簧,内套28通过曲轴平键12与曲轴11相连,中套29套在内套28外,两者间隙配合,中套29通过大平键33与大齿轮7相连,主转键13及副转键10均包括连为一体的键体、键柄27、键舌,键体为圆柱状,键柄27与键舌分别位于键体两端且垂直于键体的轴线,内套28外周设有分别存放主转键13及副转键10键体与键舌的凹槽,副转键10的键舌方向与主转键13相反,中套29内侧均布三个形状及位置与主转键13及副转键10的键舌相适配的凹槽。As shown in FIG. 4, the clutch is a double-turn key rigid clutch, including a middle sleeve 29, an inner sleeve 28, a main transfer key 13 for transmitting torque, a sub-transfer key 10 for preventing the slider 3 from advancing, and a spring, and the inner sleeve 28 is passed through the crankshaft. The key 12 is connected to the crankshaft 11, and the middle sleeve 29 is sleeved outside the inner sleeve 28. The two sleeves are matched with each other. The middle sleeve 29 is connected to the large gear 7 through the large flat key 33. The main rotation key 13 and the sub-transfer key 10 are integrally connected. The key body, the key handle 27, the key tongue, the key body is cylindrical, the key handle 27 and the key tongue are respectively located at two ends of the key body and perpendicular to the axis of the key body, and the outer circumference of the inner sleeve 28 is respectively provided for storing the main turn key 13 and the auxiliary The key of the key 10 and the key of the key tongue, the direction of the key of the sub-transfer key 10 is opposite to that of the main rotation key 13, and the inner side of the middle sleeve 29 is evenly distributed with three shapes and positions and the keys of the main rotation key 13 and the sub-transfer key 10. A groove that fits the tongue.
如图6所示,弹簧一端与键柄相连,另一端固定在内套上。As shown in Figure 6, one end of the spring is connected to the key shank and the other end is fixed to the inner sleeve.
如图7所示,主转键13及副转键10键舌一侧的端面分别设有连接板23,桥板24两端通过连接板销轴25分别与两连接板23的自由端相铰接。As shown in FIG. 7, the end faces of the main turn key 13 and the sub-transfer key 10 are respectively provided with connecting plates 23, and the two ends of the bridge plate 24 are respectively hinged to the free ends of the two connecting plates 23 through the connecting plate pin shafts 25, respectively. .
离合器的接合和脱开是由安装在机身2右侧的操纵器32来实现的。当要求曲轴11旋转时,电磁铁5吸合,此时拉杆6拉下操纵器齿条37,操纵器齿条37带动操纵器齿轮36旋转,使操纵器轴35旋转一定的角度,此时安装在主转键13左端的键柄27离开主凸轮9,在弹簧26的作用下使主转键13进入中套29的三个凹槽的任一凹槽内,同时安装在主转键13右端的连接板23经桥板24、连接板销轴25带动副转键10进入中套29的另一凹槽内,此时大齿轮7经大平键33,中套29经主转键13、副转键10、内套28、曲轴平键12带动曲轴11旋转。 The engagement and disengagement of the clutch is achieved by a manipulator 32 mounted to the right of the body 2. When the crankshaft 11 is required to rotate, the electromagnet 5 is sucked. At this time, the pull rod 6 pulls down the manipulator rack 37, and the manipulator rack 37 drives the manipulator gear 36 to rotate, so that the manipulator shaft 35 is rotated by a certain angle. The key handle 27 at the left end of the main turn key 13 leaves the main cam 9, and under the action of the spring 26, the main turn key 13 enters into any of the three recesses of the middle sleeve 29, and is mounted at the right end of the main turn key 13 at the same time. The connecting plate 23 drives the sub-transfer key 10 into the other recess of the middle sleeve 29 via the bridge plate 24 and the connecting plate pin shaft 25. At this time, the large gear 7 passes the large flat key 33, and the middle sleeve 29 passes the main turn key 13 and the vice. The turn key 10, the inner sleeve 28, and the crank flat key 12 drive the crankshaft 11 to rotate.
当要求飞轮22空运转时,电磁铁5失放,此时在操纵器弹簧34的作用下,主凸轮9恢复到起始位置,挡住键柄27,此时主转键13离开中套29的另一个凹槽,此时只有大齿轮7在空运转,离合器与飞轮22处于脱开状态,曲轴11停止运动。When the flywheel 22 is required to be idling, the electromagnet 5 is lost. At this time, under the action of the manipulator spring 34, the main cam 9 returns to the starting position, blocking the key handle 27, and the main turn key 13 leaves the middle sleeve 29 at this time. The other groove, at this time, only the large gear 7 is running in the air, the clutch and the flywheel 22 are in the disengaged state, and the crankshaft 11 stops moving.
如图1所示,曲轴11一端伸出制动器15外,轴端安装有可调式连接套16,连接套16的圆周上设有与主轴轴线平行的操纵杆销轴,自动送料操纵杆17与操纵杆销轴相铰接,自动送料操纵杆17操纵自动进料装置,随冲压设备主轴的旋转进行送料,可以使自动送料装置的送料步距与滑块3冲次实现同步。As shown in FIG. 1, one end of the crankshaft 11 extends beyond the brake 15, and the shaft end is provided with an adjustable connecting sleeve 16. The circumference of the connecting sleeve 16 is provided with a lever pin parallel to the axis of the spindle, and the automatic feeding lever 17 is operated. The rod pin shaft is hinged, and the automatic feeding lever 17 controls the automatic feeding device, and feeds with the rotation of the punching device main shaft, so that the feeding step of the automatic feeding device can be synchronized with the slider 3 punching times.
连接套16的外端面上分布有多个销孔,各销孔与主轴的轴线距离不等,操纵杆销轴铰接在某一个销孔中。更换销孔可以使自动进料操纵杆17上端做圆周运动的半径发生改变,以适应更多的品种需要。A plurality of pin holes are distributed on the outer end surface of the connecting sleeve 16, and the pin holes are not equidistant from the axis of the main shaft, and the lever pin shaft is hinged in one of the pin holes. Replacing the pin holes allows the radius of the circular motion of the upper end of the automatic feed lever 17 to be changed to accommodate more variety needs.
机身2的下部左端通过机身固定销轴铰接在机架的右端,机身的下部右端通过机身可调销轴固定在机架的右端,机身可调销轴位于机架的圆弧槽中。调整机身可调销轴在机架圆弧槽中的位置,就可以调节机身的倾斜角度。The lower left end of the fuselage 2 is hinged to the right end of the frame through the fuselage fixing pin shaft, and the lower right end of the fuselage is fixed to the right end of the frame through the adjustable pin shaft of the fuselage, and the adjustable pin shaft of the fuselage is located in the arc of the frame In the slot. By adjusting the position of the adjustable pin shaft of the fuselage in the arc groove of the frame, the tilt angle of the body can be adjusted.
以上所述仅为本发明之较佳可行实施例而已,非因此局限本发明的专利保护范围。除上述实施例外,本发明还可以有其他实施方式。凡采用等同替换或等效变换形成的技术方案,均落在本发明要求的保护范围内。本发明未经描述的技术特征可以通过或采用现有技术实现,在此不再赘述。 The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention. Other than the above-described embodiments, the present invention may have other embodiments. Any technical solution formed by equivalent replacement or equivalent transformation falls within the protection scope of the present invention. The technical features that are not described in the present invention can be implemented by using or adopting the prior art, and details are not described herein again.

Claims (5)

  1. 一种粉末冶金用冲压设备,包括机身与机架,机身上设有电机、曲轴、连杆、滑块与导轨,所述曲轴由主轴、曲柄及偏心轴组成,曲轴的主轴伸出机身两侧墙板外,主轴一端设有制动器,主轴另一端设有飞轮及离合器,所述离合器具有控制其离合的离合操纵机构,所述偏心轴通过曲柄与主轴连为一体,连杆的一端与偏心轴相铰接,连杆另一端通过球头螺杆与滑块相连,其特征在于:所述离合器为双转键刚性离合器,包括中套、内套、传递扭矩的主转键、防止滑块超前及曲轴能够反转的副转键及弹簧,所述内套通过曲轴平键与曲轴相连,所述中套套在内套外且两者间隙配合,所述中套通过大平键与大齿轮径向固定,所述主转键及副转键均包括连为一体的键体、键柄、键舌,键体为圆柱状,键柄与键舌分别位于键体两端且垂直于键体的轴线,所述内套的外周设有分别存放主转键及副转键键体与键舌的凹槽,副转键的键舌方向与主转键相反,所述中套的内侧均布三个形状及位置与主转键及副转键的键舌相适配的凹槽,所述主转键及副转键键舌一侧的端面分别设有连接板,桥板两端通过连接板销轴分别与两连接板的自由端相铰接,所述弹簧一端与键柄相连,另一端固定在内套上。A stamping equipment for powder metallurgy, comprising a fuselage and a frame, the motor is provided with a motor, a crankshaft, a connecting rod, a slider and a guide rail, wherein the crankshaft is composed of a main shaft, a crank and an eccentric shaft, and the main shaft of the crankshaft extends Outside the wall panels on both sides of the body, one end of the main shaft is provided with a brake, and the other end of the main shaft is provided with a flywheel and a clutch. The clutch has a clutch operating mechanism for controlling the clutch. The eccentric shaft is integrally connected with the main shaft through a crank, and one end of the connecting rod Hinged with the eccentric shaft, the other end of the connecting rod is connected to the sliding block through the ball screw, wherein the clutch is a double-turn key rigid clutch, including a middle sleeve, an inner sleeve, a main transfer key for transmitting torque, and a slider preventing a front turn key and a spring that can be reversed by the crankshaft, and the inner sleeve is connected to the crankshaft through a flat key of the crankshaft, the middle sleeve is outside the inner sleeve and the two are gap-fitted, and the middle sleeve passes the large flat key and the large gear diameter The main switch and the sub-transfer key respectively comprise a key body, a key handle and a key tongue which are integrally connected, the key body is cylindrical, and the key handle and the key tongue are respectively located at two ends of the key body and perpendicular to the key body. Axis, the inner sleeve The outer circumference is provided with a groove for respectively storing the main transfer key and the sub-transfer key body and the key tongue. The direction of the key of the sub-transfer key is opposite to the main transfer key, and the inner side of the middle sleeve is uniformly distributed with three shapes and positions and the main rotation. a groove corresponding to the key of the key and the sub-transfer key, wherein the end faces of the main transfer key and the sub-transfer key are respectively provided with a connecting plate, and the two ends of the bridge plate respectively pass through the connecting plate pin shaft and the two connecting plates The free end is hinged, and one end of the spring is connected to the key handle and the other end is fixed to the inner sleeve.
  2. 根据权利要求1所述的粉末冶金用冲压设备,其特征在于:所述离合操纵机构包括电磁铁、拉杆及操纵器,操纵器包括操纵器轴,操纵器轴上依次设有操纵器齿轮、操纵器弹簧,操纵器齿轮与操纵器齿条啮合,操纵器齿条与拉杆的上端相连,拉杆下方为电磁铁。The stamping apparatus for powder metallurgy according to claim 1, wherein the clutch operating mechanism comprises an electromagnet, a tie rod and a manipulator, and the manipulator comprises a manipulator shaft, and the manipulator shaft is sequentially provided with a manipulator gear and a manipulation The spring, the manipulator gear meshes with the manipulator rack, the manipulator rack is connected to the upper end of the pull rod, and the electromagnet is below the pull rod.
  3. 根据权利要求1或2所述的粉末冶金用冲压设备,其特征在于:曲轴一端伸出制动器外,轴端设有可调式连接套,连接套的圆周上设有与主轴轴线平行的操纵杆销轴,自动进料操纵杆与操纵杆销轴相铰接。The stamping apparatus for powder metallurgy according to claim 1 or 2, wherein one end of the crankshaft extends beyond the brake, and the shaft end is provided with an adjustable connecting sleeve, and the circumference of the connecting sleeve is provided with a lever pin parallel to the axis of the spindle. The shaft, the automatic feed lever is hinged to the joystick pin.
  4. 根据权利要求3所述的粉末冶金用冲压设备,其特征在于:所述连接套的外端面上分布有多个销孔,各所述销孔与所述主轴的轴线距离不等,所述操纵杆销轴铰接在某一个销孔中。The stamping apparatus for powder metallurgy according to claim 3, wherein a plurality of pin holes are distributed on the outer end surface of the connecting sleeve, and the distance between the pin holes and the axis of the main shaft is not equal, the manipulation The pin shaft is hinged in a pin hole.
  5. 根据权利要求1或2所述的粉末冶金用冲压设备,其特征在于:所述机身的下部左端通过机身固定销轴铰接在所述机架的右端,所述机身的下部右端通过机身可调销轴固定在所述机架的右端,所述机身可调销轴位于所述机架的圆弧槽中。 The stamping apparatus for powder metallurgy according to claim 1 or 2, wherein a lower left end of the body is hinged to a right end of the frame through a body fixing pin, and a lower right end of the body passes the machine An adjustable pin is fixed to a right end of the frame, and the adjustable pin shaft of the body is located in a circular arc groove of the frame.
PCT/CN2014/092034 2014-11-24 2014-11-24 Pressing device for powder metallurgy WO2016082076A1 (en)

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