CN218083107U - High-frequency long-life pneumatic leather punching machine head - Google Patents

Abstract

The utility model discloses a pneumatic genuine leather aircraft nose that punches a hole of high frequency long-life, including following structure: one end of the lifting rod is provided with a stamping knife; the guide sleeve is in sliding fit with the lifting rod along the punching direction and is in torque transmission connection around a central axis extending along the punching direction; the driving end of the lifting driving device is in rotating fit with the lifting rod around the central axis and is relatively fixed in the punching direction; the driving end of the rotation driving device is in transmission connection with the guide sleeve so as to drive the lifting rod to rotate around the central axis. So that the die cutter when the punching press, also can form the rotation cutting because of rotating simultaneously to rotate the cutting when making the punching press, the atress of wherein die cutter cutting edge can great reduction, and then can improve the life of die cutter effectively, can improve the life of wherein die cutter moreover greatly, so that, the adaptation high frequency that the die cutter can be better punches a hole. So can solve the not good problem of present perforating device punching effect effectively.

Description

High-frequency long-life pneumatic leather punching machine head

Technical Field

The utility model relates to a technical field that punches, more specifically say, relate to a pneumatic genuine leather aircraft nose that punches a hole of high frequency long-life.

Background

The equipment that has been used for the genuine leather cutting punches when needs a large amount of efficient on the genuine leather, punch a hole every day and can reach more than ten thousand times, because the impact that the cylinder target in place, and the unstability of atmospheric pressure, will cause the damage of cylinder very fast, hardly satisfy the demand, the aircraft nose that punches a hole adopts the up-and-down motion of cylinder to come the direct punching hole, the effect of punching a hole will be guaranteed, not only guarantee the sharpness of die cutter, still guarantee that the cylinder punching force is enough big, the life that can cause the die cutter is inevitable to the sharpness of die cutter shortens, the punching force is big just to require the cylinder diameter to increase, the cylinder diameter is big, reciprocating motion's time is just longer, can not reach the blanking of high frequency. Some punching machine heads adopt a motor and eccentric wheel structure to complete the upper and lower punching of a punching knife, and the simple upper and lower punching requires a large punching force, so that the power of the motor is required to be large, the high-efficiency punching can be achieved, meanwhile, the impact on the machine is large, but the service life of the punching knife and the service life of the machine can be inevitably shortened, and the machine head is high in cost and large in appearance due to the large power of a servo motor.

Therefore, the cylinder structure: the punching force is large, the impact vibration of equipment is serious, the punching time is long, the punching with high frequency and long service life cannot be achieved, and the service life of the punching knife is short. An electric structure: the punching force is large, the impact vibration of equipment is serious, the power of a motor is large, the cost is high, and the service life of the punching knife is short.

To sum up, how to effectively solve the problem of poor punching effect of the existing punching device is a problem which needs to be solved urgently by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a pneumatic genuine leather aircraft nose that punches a hole of high frequency long-life, this pneumatic genuine leather aircraft nose that punches a hole of high frequency long-life can solve the not good problem of present perforating device punching effect effectively.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a pneumatic genuine leather aircraft nose that punches a hole of high frequency long-life, includes following structure:

the punching knife is arranged at one end of the lifting rod;

the guide sleeve is in sliding fit with the lifting rod along the punching direction and is in torque transmission connection around a central axis extending along the punching direction;

the driving end of the lifting driving device is matched with the lifting rod around the central axis in a rotating way and is relatively fixed in the punching direction;

and the driving end of the rotation driving device is in transmission connection with the guide sleeve so as to drive the lifting rod to rotate around the central axis.

In this pneumatic genuine leather aircraft nose that punches a hole of high frequency long-life, when using, wherein lift drive arrangement is used for driving lifter wherein specially to go up and down, so that the die cutter is to being punched the product punching press, and rotate drive arrangement drive lifter simultaneously and rotate, so that the die cutter is when the punching press, also can be because of rotating simultaneously, form and rotate the cutting, so that rotate the cutting in the time of the punching press, the stress of reduction wherein die cutter cutting edge that can be great, and then can improve the life of die cutter effectively, and can improve the life of wherein die cutter greatly, so that, the adaptation high frequency that the die cutter can be better punches a hole. To sum up, this pneumatic genuine leather of high frequency long-life punches a hole aircraft nose can solve the not good problem of present perforating device punching effect effectively.

Preferably, the lifting driving device comprises a micro cylinder which can be accurately positioned and is provided with a magnetic switch.

Preferably, the device further comprises a switching shaft, and the switching shaft is sleeved on the guide sleeve and fixedly connected with the guide sleeve; and a driven synchronous belt wheel is fixedly connected to the outer side of the transfer shaft in a sleeved mode so as to rotate with a driving synchronous belt wheel on the driving end of the rotation driving device through a synchronous belt.

Preferably, the guide sleeve inner hole is long-strip-shaped, so that the guide sleeve inner hole can be prevented from rotating with the lifting rod arranged in the guide sleeve in a matched mode.

Preferably, the device comprises a base and a motor mounting plate, wherein the rotation driving device is mounted on the motor mounting plate; the motor mounting plate is connected with the base in a sliding mode along the transmission direction of the synchronous belt, so that the tensioning degree of the synchronous belt can be adjusted during movement; and the base is connected with a tensioning screw, so that the position of the motor mounting plate relative to the base is adjusted through the tensioning screw.

Preferably, the base includes mounting panel, lower mounting panel and upper and lower locking plate, the upper and lower both sides of upper and lower locking plate respectively with go up the mounting panel with the relative fixed connection of mounting panel down, the upper and lower both ends of switching axle respectively with go up the mounting panel with the mounting panel passes through bearing normal running fit down, the motor mounting panel with go up mounting panel sliding connection.

Preferably, the upper end and the lower end of the transfer shaft are respectively matched with the upper mounting plate and the lower mounting plate through deep groove ball bearings, and pressing glands are pressed at the two ends; the rotation driving device is a servo motor.

Preferably, the driving end of the lifting driving device is connected with the lifting rod through a bearing seat and a limiting device, the bearing seat is internally matched with the lifting rod in a rotating mode through an angular contact bearing, and the bearing seat is fixed relative to the driving end of the lifting driving device.

Preferably, the stamping tool further comprises a stamping tool seat and a locking taper sleeve, the locking taper sleeve is in threaded connection with the stamping tool seat, the stamping tool is inserted into the contraction hole of the stamping tool seat, and the taper hole of the locking taper sleeve is matched with the taper part of the stamping tool seat so as to lock the contraction hole of the stamping tool seat.

Preferably, still include main mounting panel, cylinder support and control part, the control part the base all install in the main mounting panel, lift drive install in on the cylinder support, just the control part dustcoat is equipped with the protection casing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a pneumatic leather punching head with high frequency and long service life according to an embodiment of the present invention;

FIG. 2 is an AA-oriented schematic cross-sectional view of the high frequency long life pneumatic dermal punch head of FIG. 1;

fig. 3 is a schematic diagram of a right-view structure of a high-frequency long-life pneumatic leather punching head provided in an embodiment of the present invention;

fig. 4 is a schematic cross-sectional structural view of a high-frequency long-life pneumatic leather punching head rotating shaft and a structure therein according to an embodiment of the present invention;

fig. 5 is a schematic view of a high-frequency long-life pneumatic leather punching head rotating shaft and a shaft measuring structure of the structure thereof according to an embodiment of the present invention;

fig. 6 is an enlarged schematic structural view of a portion of the pneumatic high-frequency long-life dermal punching head including a punching blade provided by an embodiment of the present invention;

fig. 7 is an enlarged schematic structural view of the die cutter seat according to the embodiment of the present invention.

The drawings are numbered as follows:

the device comprises a micro cylinder 1, a servo motor 2, a cylinder support 3, a guide sleeve 4, a deep groove ball bearing 5, a driven synchronous pulley 6, a lifting rod 7, a punch holder 8, a locking taper sleeve 9, a punch 10, a driving synchronous pulley 11, a main mounting plate 12, an electric control plate 13, an air inlet joint 14, a protective cover 15, a pressure regulating valve 16, an electromagnetic valve 17, a locking nut 18, a bearing seat 19, a bearing gland 20, a motor mounting plate 21, a synchronous belt 22, an upper mounting plate 23, a detection head 24, an adapter shaft 25, a detection seat 26, a lower mounting plate 27, an upper locking plate 28, a lower locking plate 28, a cylindrical pin 29, an angular contact bearing 30, a gland 31, a valve support 32 and a tensioning screw 33.

Detailed Description

The embodiment of the utility model discloses pneumatic genuine leather aircraft nose that punches a hole of high frequency long-life to solve present perforating device problem that the effect is not good effectively.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-7, fig. 1 is a schematic front view of a pneumatic high-frequency long-life leather punching head according to an embodiment of the present invention; FIG. 2 is an AA-oriented schematic cross-sectional view of the high frequency long life pneumatic dermal punch head of FIG. 1; fig. 3 is a schematic diagram of a right-view structure of a high-frequency long-life pneumatic leather punching head provided in an embodiment of the present invention; fig. 4 is a schematic cross-sectional structural view of a rotating shaft of a high-frequency long-life pneumatic leather punching head and a structure therein according to an embodiment of the present invention; fig. 5 is a schematic view of a high-frequency long-life pneumatic leather punching head rotating shaft and a shaft measuring structure of the structure thereof according to an embodiment of the present invention; fig. 6 is an enlarged schematic structural view of a high-frequency long-life pneumatic leather punching head including a punching blade portion according to an embodiment of the present invention; fig. 7 is an enlarged schematic structural view of the die cutter seat according to the embodiment of the present invention.

As shown in fig. 1 to 7, in some embodiments, there is provided a high frequency long life pneumatic dermal punch handpiece including a lift lever 7, a guide sleeve 4, a lift driving means and a rotation driving means.

Wherein lifter 7 one end is provided with stamping knife 10, and stamping knife 10 of this application is a stamping knife mainly, and when rotatory, the cutting edge on stamping knife 10 can form the rotation effect, and then not only pushes down the cutting, also a rotatory cutting. The structure of the die cutter 10 is as follows: reference may be made to the front cross configuration of the nail; the pipe cutter head can also be a reference pipe cutter head, wherein the pipe cutter head is provided with punching blades which are annularly distributed, and the punching blades can be in a sawtooth shape along the circumferential direction so as to facilitate cutting during rotation; or the front end is conical, and the side surface of the conical structure forms a spiral cutting edge; it is of course also possible to refer to the prior art punching blade construction. The lifting rod 7 can be a solid rod or a hollow rod, and is not required here.

The uide bushing 4 and lifter 7 are along the direction sliding fit that punches, and carry out the torque transmission around the central axis that extends along the direction of punching and be connected, so that when uide bushing 4 rotated, lifter 7 also can follow the rotation, with the transmission moment of torsion, and the rotation of lifter 7, can make the die cutter 10 of front end rotate around the axis of self, rotate around above-mentioned central axis promptly, in order can the translation punching press, can also rotary cutting, with the atress that can reduce the tool bit portion, and then better realization high frequency drilling. And because of the sliding fit, the lifting rod 7 can move up and down along the extending direction of the central axis relative to the guide sleeve 4, and the lifting rod 7 can be driven to rotate along the drilling direction independently to drill holes.

In order to facilitate the lifting driving, a lifting driving device may be correspondingly disposed, wherein a driving end of the lifting driving device and the lifting rod 7 are rotationally matched around the central axis and relatively fixed in the punching direction. So that the lifting driving device can drive the lifting rod 7 to lift in the punching direction, namely to move along the punching direction for punching and/or feeding; the lifting driving device can be a telescopic cylinder, such as an air cylinder or a hydraulic cylinder, and can also be a combined structure of a rotating device and a transmission mechanism which rotates to move linearly, wherein the transmission mechanism is such as a gear rack transmission mechanism, a crank block transmission mechanism, a lead screw nut transmission mechanism and the like. And wind between lift drive's drive end and the lifter 7 the central axis normal running fit to when making lifter 7 rotate, can not drive lift drive's drive end and rotate, and then can not interfere lift drive inner structure, if can be normal running fit between, and on normal running fit's axis direction, in the punching direction promptly, through the locating part, like round pin, card protruding etc. carry on spacingly. Wherein the driving end is matched with the lifting rod 7 in a rotating way, like the annular clamping groove and the annular clamping protrusion, the driving end and the lifting rod can rotate relative to each other but can not move relatively in the axial direction, and in order to facilitate installation, the groove wall on one side of the annular clamping groove can be axially disassembled, and/or the annular clamping protrusion can be radially separated into two halves or a plurality of same structures.

And the driving end of the rotation driving device is in transmission connection with the guide sleeve 4 so as to drive the lifting rod 7 to rotate around the central axis, as described above, the guide sleeve 4 is in sliding fit with the lifting rod 7, so that the lifting rod 7 can freely slide in the guide sleeve 4, and the guide sleeve 4 cannot be driven to slide in the drilling direction in the sliding process. And because the guide sleeve 4 is connected with the lifting rod 7 through torque transmission, the lifting rod 7 can be driven to rotate through the rotation of the guide sleeve 4, and the rotation driving device is connected with the guide sleeve 4 through transmission, so that the torque can be sequentially transmitted to the guide sleeve 4 and the lifting rod 7 through the driving end of the rotation driving device, and then the punching knife 10 at the front end of the lifting rod 7 can rotate, and rotary cutting can be formed during punching.

In this pneumatic genuine leather aircraft nose that punches a hole of high frequency long-life, when using, wherein lift drive arrangement is used for driving lifter 7 among them specially to go up and down, so that stamping knife 10 is to being punched the product punching press, and rotate drive arrangement drive lifter 7 simultaneously and rotate, so that stamping knife 10 is when the punching press, also can form because of rotating simultaneously, form and rotate the cutting, so that rotate the cutting when punching press, the atress of stamping knife 10 cutting edge among them of reduction that can be great, and then can improve stamping knife 10's life effectively, and can improve wherein stamping knife 10's life greatly, so that, stamping knife 10 can better adaptation high frequency punch a hole. To sum up, this pneumatic genuine leather of high frequency long-life punches a hole aircraft nose can solve the not good problem of present perforating device punching effect effectively.

In some embodiments, the lifting driving device may include a micro cylinder 1 with a magnetic switch capable of precise positioning. Because the cylinder diameter is very little, and the stroke is very short, therefore the round trip time of cylinder is very short, because the cylinder that adopts is the miniature cylinder of electrified magnetism switch, can the position of accurate control cylinder, can stop in place, the start in place avoids the cylinder to use mechanical collision to come spacing like this, has avoided the impact, has improved the life and the stability of the aircraft nose that punches a hole greatly. Therefore, the micro cylinder with the electromagnetic switch has smaller punching force and can be accurately positioned, the impact of the caused equipment is smaller, and the service life and the use precision of the equipment and the punching machine head are greatly improved.

In some embodiments, the adapter shaft 25 may further include a coupling shaft 25, the coupling shaft 25 is sleeved on and fixedly connected to the guide sleeve 4, for convenience of installation, one guide sleeve 4 may be respectively installed at two ends of the inner hole of the coupling shaft 25, of course, only one guide sleeve 4 may be installed inside, wherein the guide sleeve 4 and the coupling shaft 25 may be in a key connection, or may be in a fixed connection, or may be in a transmission connection through a non-rotation type hole or column, for example, through a cylindrical pin 29, and the cylindrical pin 29 is respectively inserted into the guide sleeve 4 and the coupling shaft 25. And fixedly connected with driven synchronous pulley 6 is established to its spiale 25 outside cover to pass through hold-in range 22 with the initiative synchronous pulley 11 on the drive end of rotation drive arrangement and rotate, so that the drive end of rotation drive arrangement drives initiative synchronous pulley 11 and rotates, and passes through hold-in range 22 with power transmission to driven synchronous pulley 6 department, and driven synchronous pulley 6 drives spiale 25 and rotates, and spiale 25 drives its inside uide bushing 4 and rotates. Wherein driven synchronous pulley 6 cover is located the adapting shaft 25, and the torque transfer cooperation between the two, if can be through key transmission, also can be fixed connection, specific can be driven synchronous pulley 6 and the adapting shaft 25 between tight fit with beat gluey the connection. Of course, the drive of the rotary drive and the adapter shaft 25 can also be driven by a gear drive, a belt drive or other means.

In some embodiments, for better torque transmission, it is preferable that the inner hole of the guide sleeve 4 is elongated to prevent rotation between the lifting rod 7 and the inner hole, so as to transmit torque. Specifically, the inner hole of the guide sleeve 4 is, for example, an oval shape, a long hole, a flat hole, etc., wherein the flat hole refers to a structure left after both sides of the circular hole are cut, and wherein the long hole is in a runway shape. Through the cooperation of the elongated holes, the torque can be better transmitted, and larger torque can be transmitted.

In some embodiments, the high frequency long life pneumatic dermal punch handpiece may further include a base and a motor mounting plate 21, the rotational drive being mounted to the motor mounting plate 21. Wherein motor mounting panel 21 and base are followed hold-in range 22 transmission direction sliding connection to can adjust hold-in range 22 tensioning degree when removing, sliding connection generally realizes sliding connection through slide rail or slide opening. So that the motor mounting plate 21 can bring the driving synchronous pulley 11 thereon away from or close to the driven synchronous pulley 6 mounted on the base. Correspondingly, a tension screw 33 is connected to the base to adjust the position of the motor mounting plate 21 relative to the base through the tension screw 33, so as to fix the motor mounting plate 21 and the base through the tension screw 33 to maintain the current adjustment position, generally speaking, the tension screw 33 may be arranged on the base in a penetrating manner, and the head of the tension screw 33 abuts against the hole end of the base, and the tension screw 33 is in threaded connection with the motor mounting plate 21.

In order to control the speed conveniently, a detector for detecting the rotating speed of the lifting rod 7 may be further provided, specifically, a detection head 24 may be provided on the driving synchronous pulley 11, and a detection seat 26 may be provided on the base.

In some embodiments, specifically, the base includes an upper mounting plate 23, a lower mounting plate 27, and an upper and a lower locking plates 28, wherein the upper and the lower sides of the upper and the lower locking plates 28 are respectively fixedly connected with the upper mounting plate 23 and the lower mounting plate 27, such as by screwing, welding, bolting, clamping, and the like, and preferably, detachably and fixedly connected. The upper end and the lower end of the adapter shaft 25 are respectively matched with the upper mounting plate 23 and the lower mounting plate 27 through bearings in a rotating manner, and the motor mounting plate 21 is connected with the upper mounting plate 23 in a sliding manner.

In some embodiments, it is possible to make the upper and lower ends of the transfer shaft 25 respectively fit with the upper mounting plate 23 and the lower mounting plate 27 through the deep groove ball bearings 5, and press the pressing covers 31 on both ends.

In some embodiments, the rotary driving device may be specifically a servo motor 2, but the rotary driving device may also be a combination of a telescopic driving device and a transmission mechanism for linear rotation.

In some embodiments, in particular, the driving end of the lifting driving device may be connected to the lifting rod 7 through a bearing seat 19 and a limiting device, wherein the bearing seat 19 is rotatably engaged with the lifting rod 7 through an angular contact bearing 30, and the bearing seat 19 is fixed relative to the driving end of the lifting driving device, for example, may be fixedly connected through a lock nut 18. The bearing seat 19 is internally provided with an angular contact bearing 30 and then is firmly pressed by a bearing gland 20.

In some embodiments, the tool holder 8 and the locking taper sleeve 9 may be further included, the locking taper sleeve 9 is in threaded connection with the tool holder 8, the tool 10 is inserted into a contraction hole of the tool holder 8, the contraction hole is generally formed by surrounding of a plurality of flap pieces, the same end of the hole in the depth direction of each flap piece is located at the same structure, and each flap piece can be radially contracted to be close to perform contraction locking. The taper hole of the locking taper sleeve 9 is matched with the taper part of the punch holder 8, so that in the process of threaded connection, a plurality of valve pieces can be pushed to approach to the center to clamp the punch 10 inside the punch holder, and the effect of locking the shrinkage hole of the punch holder 8 is achieved.

In some embodiments, in particular, the punching apparatus may further include a main mounting plate 12, a cylinder bracket 3, and a control portion, wherein the control portion and a base are mounted on the main mounting plate 12, the lifting driving device is mounted on the cylinder bracket 3, and a protective cover 15 is disposed outside the control portion. The control part mainly comprises an electric control plate 13 and a pressure regulating valve 16, and is generally correspondingly provided with an air inlet joint 14 and a valve bracket 32, wherein the air inlet joint 14, the valve bracket 32, the electric control plate 13 and the pressure regulating valve 16 are all arranged in a protective cover 15. The electromagnetic valve 17 is mounted on the valve support 32, and the electromagnetic valve 17 is connected with the pipeline between the micro cylinder 1 with the electromagnetic switch to control the opening and closing of the micro cylinder 1 and further control the lifting of the lifting rod 7.

Referring to fig. 1 to 7, in some embodiments, a high-frequency long-life pneumatic leather punching head for leather is provided, in which a guide sleeve 4 is first installed at both ends of a transfer shaft 25, and both sides of the guide sleeve are fixed by a cylindrical pin to prevent the guide sleeve 4 from rotating in the transfer shaft 25, and then a lifting rod 7 is installed in the guide sleeve 4, since the lifting rod 7 and the guide sleeve 4 are in elliptical contact, the lifting rod 7 can only move up and down in the guide sleeve 4, and when the transfer shaft 25 rotates, the lifting rod 7 is also driven to rotate, thereby realizing high-speed rotation of the punching cutter 10.

The upper end of the transfer shaft 25 is provided with a driven synchronous pulley 6, the driven synchronous pulley 6 is connected by tight fit and gluing, the assembled rotating part is sleeved with a synchronous belt 22, two ends of the synchronous belt are provided with deep groove ball bearings 5 and are assembled in a lower mounting plate 27 and an upper mounting plate 23, two ends of the synchronous belt are provided with small pressing covers 31, and the upper mounting plate 23 and the lower mounting plate 27 are connected together by an upper locking plate 28 and a lower locking plate 28. Then, the servo motor 2 is mounted on the motor mounting plate 21 and the driving timing pulley 11 is mounted, and then the mounted servo motor 2 is mounted on the upper mounting plate 23. The entire portion of the upper mounting plate 21 and the lower mounting plate 27 which are integrally connected is then mounted on the main mounting plate 12. The tensioning of the synchronous belt 22 is realized by pulling the motor mounting plate 21 by the tensioning screw 33.

In order to prevent the lifting rod 7 from driving the piston rod of the cylinder to rotate, a bearing seat 19 and a hexagon socket head cap screw are arranged between the lifting rod 7 and the piston rod of the cylinder, an angular contact bearing 30 is arranged in the bearing seat 19 and is firmly pressed by a bearing pressing cover 20, the upper end of the bearing seat 19 is connected with the piston rod of the micro cylinder 1 with the electromagnetic switch and is locked by a locking nut 18, and then the micro cylinder 1 with the electromagnetic switch is fixed on the cylinder support 3.

Finally, the punching tool seat 8 is arranged on the lifting rod 7 rotating connecting shaft, the punching tool 10 is arranged on the punching tool seat 8, and the locking is realized by the taper of the front end of the punching tool seat 8 and the taper of the locking taper sleeve 9, so that the punching tool 10 is fixed in the punching tool seat 8 and cannot rotate, and the installation of the whole set of motion structure is completed.

For the installation of the control part, the electric control board 13, the air inlet joint 14, the pressure regulating valve 16, and the valve support 32 are first mounted on the protective cover 15, and the electromagnetic valve 17 is mounted on the valve support 32 and connected with the pipeline. Then the assembled control part is arranged on the main mounting plate 12, the pipeline between the electromagnetic valve 17 and the micro cylinder 1 with the electromagnetic switch is well connected, the stroke of the micro cylinder 1 with the electromagnetic switch and the tightness of the synchronous belt 22 are well adjusted, and the whole assembly is completed.

The electromagnetic valve 17 controls the lifting of the micro cylinder 1 with the electromagnetic switch, the servo motor 2 drives the transfer shaft 25 to rotate at a high speed through the synchronous belt 22, and the lifting rod 7 is connected with the flat shape of the guide sleeve 4, so that the lifting rod 7 rotates at a high speed along with the transfer shaft 25 and drives the high-speed rotation of the punching knife 10, and the punching knife 10 can rotate at a high speed, can quickly lift under the action of the micro cylinder 1 with the electromagnetic switch, accurately controls the position of the punching knife, avoids the impact in the mechanical aspect, achieves the high-frequency punching, and is particularly suitable for punching of genuine leather and artificial leather.

The micro cylinder with the magnetic switch can be accurately positioned to move up and down to provide punching force required by punching, the punching cutter keeps rotating at a high speed while punching, the rotating speed of the punching cutter is more than 100 revolutions per second, and the power of the high-speed rotation is provided by the servo motor with the synchronous belt, so that the leather can be easily punched through by the cutter blade under the pushing of small force under the condition of high-speed rotation. The cylinder has the advantages that the diameter of the cylinder is very small, the stroke is very short, the round trip time of the cylinder is very short, the position of the cylinder can be accurately controlled due to the fact that the adopted cylinder is a micro cylinder with an electromagnetic switch, the cylinder can be stopped in place and started in place, the cylinder is prevented from being limited by mechanical collision, impact is avoided, the service life and the stability of the punching head are greatly prolonged, high-frequency reciprocating motion is achieved, high-frequency punching is achieved, meanwhile, the cutting edge of the punching knife rotating at high speed can be properly enlarged, and the service life of the blade is prolonged.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a pneumatic genuine leather aircraft nose that punches a hole of high frequency long-life which characterized in that includes following structure:

the punching die comprises a lifting rod (7), wherein a punching knife (10) is arranged at one end of the lifting rod (7);

the guide sleeve (4) is in sliding fit with the lifting rod (7) along the punching direction and is in torque transmission connection around a central axis extending along the punching direction;

the driving end of the lifting driving device is matched with the lifting rod around the central axis in a rotating way and is relatively fixed in the punching direction;

and the driving end of the rotation driving device is in transmission connection with the guide sleeve (4) so as to drive the lifting rod (7) to rotate around the central axis.

2. High-frequency long-life pneumatic leather punching head according to claim 1, characterized in that the lifting driving device comprises a micro-cylinder (1) with a magnetic switch capable of precise positioning.

3. The high-frequency long-life pneumatic dermal punch handpiece of any one of claims 1, 2, characterized in that it further comprises a transfer shaft (25), wherein the transfer shaft (25) is sleeved on the guide sleeve (4) and fixedly connected with the guide sleeve; and a driven synchronous pulley (6) is fixedly connected to the outer side of the transfer shaft (25) in a sleeved mode and rotates with a driving synchronous pulley (11) on the driving end of the rotation driving device through a synchronous belt (22).

4. A high frequency long life pneumatic dermal punch head as in claim 3 wherein the guide sleeve bore is elongated to allow rotation stop between the lifter cooperating with the inside.

5. A high frequency long life pneumatic dermal punch handpiece according to claim 3, characterized by comprising a base and a motor mounting plate (21), said rotary drive means being mounted to said motor mounting plate (21); the motor mounting plate (21) is connected with the base in a sliding mode along the transmission direction of the synchronous belt (22) so that the tensioning degree of the synchronous belt (22) can be adjusted when the base moves; the base is connected with a tension screw (33) so as to adjust the position of the motor mounting plate (21) relative to the base through the tension screw (33).

6. The pneumatic dermal punch head with high frequency and long service life according to claim 5, characterized in that the base includes an upper mounting plate (23), a lower mounting plate (27) and upper and lower locking plates (28), the upper and lower sides of the upper and lower locking plates (28) are respectively fixedly connected with the upper mounting plate (23) and the lower mounting plate (27), the upper and lower ends of the adapting shaft (25) are respectively matched with the upper mounting plate (23) and the lower mounting plate (27) through bearings in a rotating manner, and the motor mounting plate (21) is connected with the upper mounting plate (23) in a sliding manner.

7. The high-frequency long-life pneumatic dermal punch head of claim 6, characterized in that the upper and lower ends of the swivel shaft (25) are respectively fitted with the upper mounting plate (23) and the lower mounting plate (27) by deep groove ball bearings (5), and press-fitted glands (31) at both ends; the rotation driving device is a servo motor (2).

8. The high-frequency long-life pneumatic leather punching machine head according to claim 7, characterized in that the driving end of the lifting driving device is connected with the lifting rod (7) through a bearing seat (19) and a limiting device, the bearing seat (19) is rotatably matched with the lifting rod (7) through an angular contact bearing (30), and the bearing seat (19) is fixed relative to the driving end of the lifting driving device.

9. The pneumatic leather punching head with high frequency and long service life according to claim 8, characterized by further comprising a punching tool seat (8) and a locking taper sleeve (9), wherein the locking taper sleeve (9) is in threaded connection with the punching tool seat (8), the punching tool (10) is inserted into a contraction hole of the punching tool seat (8), and a taper hole of the locking taper sleeve (9) is matched with a taper part of the punching tool seat (8) so as to lock the contraction hole of the punching tool seat (8).

10. A high frequency long life pneumatic dermal punch head according to claim 9, characterized in that it further comprises a main mounting plate (12), a cylinder bracket (3) and a control portion, said base are mounted on said main mounting plate (12), said lift driving device is mounted on said cylinder bracket (3), and said control portion housing is provided with a protective cover (15).

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