WO2016082086A1

WO2016082086A1 - Clutch operating mechanism for press

Info

Publication number: WO2016082086A1
Application number: PCT/CN2014/092060
Authority: WO
Inventors: 潘均
Original assignee: 潘均
Priority date: 2014-11-24
Filing date: 2014-11-24
Publication date: 2016-06-02

Abstract

A clutch operating mechanism for a press, the press comprising a machine body (2) and a machine frame (1), the machine body (2) being provided with an electric motor (18), a crankshaft (11), a connecting rod (14), a sliding block (3), and a guide rail (4); the crankshaft (11) comprises a main shaft, a crank arm, and an eccentric shaft; the main shaft extends beyond two sidewall panels of the machine body (2), one end of the main shaft being provided with a brake (15), and the other end being provided with a clutch; the clutch is provided with a clutch operating mechanism for controlling the clutching of same; a transmission shaft (30) is provided with a flywheel (22); one end of the connecting rod (14) is hinged to the eccentric shaft, and the other end is connected to the sliding block (3) by means of a ball-head screw (31); the clutch operating mechanism comprises an electromagnet (5), a pull rod (6), and a manipulator (32); the manipulator (32) comprises a manipulator shaft (35), a manipulator gear (36) and a manipulator spring (34) being arranged in succession on the manipulator shaft (35); the manipulator gear (36) engages a manipulator toothed rack (37); the manipulator toothed rack (37) is connected to the upper end of the pull rod (6), and the electromagnet (5) is disposed below the pull rod (6).

Description

Clutch operating mechanism of press

Technical field

The invention relates to a press, in particular to a clutch operating mechanism of a press.

Background technique

The traditional press 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.

Summary of the invention

The technical problem to be solved by the present invention is to provide a clutch operating mechanism of a press, which has a simple structure and reliable operation, and can reduce the labor intensity of the operator.

In order to solve the above problem, the clutch operating mechanism of the press of the present invention comprises a fuselage and a frame, and the motor is provided with a motor, a crankshaft, a connecting rod, a slider and a guide rail, and the crankshaft is composed of a main shaft and a crank. And an eccentric shaft, the main shaft of the crankshaft extends out of the wall panels on both sides of the fuselage, the main shaft is provided with a brake at one end, 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 The crank is integrally connected with the main shaft, 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 rod through a ball screw, the clutch operating mechanism includes an electromagnet, a pull rod and a manipulator, and the manipulator includes a manipulator shaft The manipulator shaft is sequentially provided with 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 lower part of the pull rod is an electromagnet.

As an improvement of the present invention, the clutch is a double-turn key rigid clutch, including a middle sleeve, an inner sleeve, a main transfer key for transmitting torque, a secondary transfer key for preventing the slider from advancing and a crankshaft capable of reversing, and a spring sleeve. The crankcase is connected to the crankshaft by a flat key, and the middle sleeve is outside the inner sleeve and the two are gap-fitted, and the middle sleeve is radially fixed by the large flat key and the large gear.

As a further improvement of the present invention, the primary transfer key and the secondary 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 both ends of the key body and are vertical In the axis of the key body, the outer circumference of the inner sleeve is provided with a groove for respectively storing the main rotation key and the sub-transfer key body and the key tongue, and the key tongue direction of the sub-transfer key is opposite to the main rotation key, and the middle sleeve is opposite to the main rotation key The inner side is evenly distributed with three shapes and positions corresponding to the key of the main turn key and the sub-transfer key, and the end faces of the main turn key and the sub-transfer key are respectively provided with connecting plates, two bridge plates The ends are respectively hinged to the free ends of the two connecting plates through the connecting plate pin shaft, and one end of the spring is connected to the key handle and the other end is fixed to the inner sleeve.

Compared with the prior art, the present invention achieves the following beneficial effects: after adopting the double-turn key structure, 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. 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 transfer 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 auxiliary turn. The key 10, the inner sleeve 28, and the crank flat key 12 drive the crankshaft 11 to rotate. It reduces the labor intensity of the operator and makes the operation more reliable.

As an improvement of the present invention, one end of the crankshaft protrudes from 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 spindle axis, and the automatic feeding joystick is The lever pin is 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.

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.

DRAWINGS

The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

Figure 1 is a front elevational view of the press of the present invention.

Figure 2 is an enlarged view of the portion of the clutch operating mechanism of Figure 1.

Figure 3 is a right side view of the press of the present invention.

Figure 4 is a left side view of the press of the present invention.

Fig. 5 is a cross-sectional view of the clutch in which the main turn key and the auxiliary key are inserted into the middle cover.

Figure 6 is a cross-sectional view of the clutch of the main switch and the auxiliary key leaving the middle sleeve.

Figure 7 is a cross-sectional view showing a portion where the key shank of the clutch is coupled to the spring.

Figure 8 is an end view of the side of the clutch key.

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 handle, 28 inner sleeve, 29 middle sleeve, 30 drive shaft, 31 ball screw, 32 manipulators, 33 large flat keys, 34 manipulator springs, 35 manipulator shafts, 36 manipulator gears, 37 manipulator racks.

detailed description

As shown in FIG. 1, FIG. 2 and FIG. 3, the press comprises a frame 1 and a body 2, and the body 2 is provided with a motor 18, a crankshaft 11, a connecting rod 14, a slider 3 and a guide rail 4, and the crankshaft 11 is composed of a spindle The crankshaft and the eccentric shaft are composed. 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 bearing on the wall panel of the fuselage 2. The main shaft protrudes from the end of the fuselage 2 wall plate through the key The flywheel 22 is connected to the flywheel 22, and the other end is connected to the brake 15 by a key. The eccentric shaft is fixedly coupled to the main shaft through a crank. One end of the connecting rod 14 is hinged with the eccentric shaft, and the other end of the connecting rod 14 passes through the ball screw 31 and the slider. 3, the rail 4 is fixed on the body 2, and the slider 3 can be moved up and down along the rail 4.

As shown in FIG. 3, 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.

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.

As shown in FIG. 5, 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.

As shown in Figure 7, one end of the spring is connected to the key shank and the other end is fixed to the inner sleeve.

As shown in FIG. 8, 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. 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 installed at the main turn key. The connecting plate 23 at the right end of the 13 is driven by the bridge plate 24 and the connecting plate pin shaft 25 to enter the other groove of the middle sleeve 29, and the large gear 7 passes the large flat key 33, and the middle sleeve 29 passes the main turn key 13. The sub-transfer key 10, the inner sleeve 28, and the crank flat key 12 drive the crankshaft 11 to rotate.

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.

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 to feed with the rotation of the press main shaft, so that the feeding step of the automatic feeding device can be synchronized with the slider 3 punching.

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. 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.

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

A clutch operating mechanism of a press, the press comprises a fuselage and a frame, the motor is provided with a motor, a crankshaft, a connecting rod, a slider and a guide rail, and the crankshaft is composed of a main shaft, a crank and an eccentric shaft, and the main shaft of the crankshaft Extending from the wall panels on both sides of the fuselage, 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 is integrally connected with the main shaft through the crank. One end of the rod is hinged to the eccentric shaft, and the other end of the connecting rod is connected to the slider through the ball screw. The clutch operating mechanism includes an electromagnet, a pull rod and a manipulator, and the manipulator includes a manipulator shaft and a manipulator shaft. The manipulator gear and the manipulator spring are arranged in sequence, and the manipulator gear meshes with the manipulator rack. The manipulator rack is connected with the upper end of the pull rod, and the lower part of the pull rod is an electromagnet.
The clutch operating mechanism of the press according to claim 1, wherein the clutch is a double-turn key rigid clutch, including a middle sleeve, an inner sleeve, a main transfer key for transmitting torque, preventing the slider from advancing and the crankshaft being reversed. a rotating sub-switch and a spring, 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 is radially fixed by the large flat key and the large gear.
The clutch operating mechanism of the press according to claim 2, wherein the main switch key 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 is And the key tongues 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 is provided with a groove for respectively storing the main rotation key and the sub-transfer key body and the key tongue, and the key tongue direction of the sub-transfer key Contrary to the main turn key, the inner side of the middle sleeve is uniformly provided with three grooves having a shape and a position corresponding to the key of the main turn key and the sub-transfer key, and the main turn key and the sub-transfer key side of the key The end faces are respectively provided with connecting plates, and the two ends of the bridge plate are respectively hinged with the free ends of the two connecting plates through the connecting plate pin shafts, one end of the spring is connected with the key handle, and the other end is fixed on the inner sleeve.
The clutch operating mechanism of the press according to claim 1, 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 parallel to the axis of the spindle. The joystick pin, the automatic feed lever is hinged to the joystick pin.
The clutch operating mechanism of the press according to claim 4, wherein a plurality of pin holes are distributed on the outer end surface of the connecting sleeve, and the pin holes are different in distance from the axis of the main shaft. The lever pin is hinged in one of the pin holes.