CN113276217A - Mechanical pressure regulating mechanism and pressure regulating method of die cutting machine - Google Patents
Mechanical pressure regulating mechanism and pressure regulating method of die cutting machine Download PDFInfo
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- CN113276217A CN113276217A CN202110710738.7A CN202110710738A CN113276217A CN 113276217 A CN113276217 A CN 113276217A CN 202110710738 A CN202110710738 A CN 202110710738A CN 113276217 A CN113276217 A CN 113276217A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
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Abstract
The invention relates to a mechanical pressure regulating mechanism and a pressure regulating method of a die-cutting machine, the mechanism is provided with a pressure regulating mechanism and a clamping servo mechanism, a detection assembly is utilized to obtain the relative displacement distance between a movable die holder and a fixed die holder in the die-cutting process, and the relative displacement distance is compared with the displacement distance under the standard die-cutting pressure to obtain a pressure regulating pulse signal of the pressure regulating mechanism, the die-cutting machine can regulate the die-cutting pressure in the stroke stage of the movable die holder according to the pulse signal obtained by calculation, and the clamping servo mechanism is utilized to keep the relative positions of a pressure regulating ball head seat and a pressure regulating locking nut fixed, so that the die-cutting quality is prevented from being influenced by the die-cutting pressure change caused by the relative position displacement of the pressure regulating ball head seat and the pressure regulating locking nut in the die-cutting process, the mechanism can regulate the pressure of the die-cutting machine without stopping the machine, the online pressure regulating function is realized, and the die-cutting production efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of die cutting machines, and relates to a mechanical pressure regulating mechanism and a pressure regulating method of a die cutting machine.
Background
The die cutting pressure adjustment is an important step for the quality of die-cut products of the die-cutting machine, the die cutting pressure is too small, the product cannot be cut by the cutting die, and the product cannot be formed; even if the cutting die can cut off a product, the indentation is too small, the adhesion condition can occur, and the subsequent production is influenced; however, if the die cutting pressure is too high, the influence on the cutting die is easy to occur, and the cutting edge can become dull quickly, so that the service life of the die cutting plate is influenced. And when the passivated cutting die is used for die cutting, burrs of products can be generated to different degrees. Therefore, the ideal die cutting pressure is that the slitter edges of all cuts can be just separated under the condition of the minimum pressure of the die cutting machine, so that the cutting die is not easy to wear. To accomplish die cutting quality control with the least amount of pressure possible, it may be necessary to repeatedly adjust the die cutting pressure.
After cross cutting machine operation one end time, because cross cutting machine is long-time to operate, equipment internals is the inflation that generates heat or receives the vibration to take place deformation, when making the cross cutting action of carrying out between the activity die holder of cross cutting machine and the fixed die holder, pressure between them can change, and cross cutting pressure change can lead to the product of processing to appear certain error, lead to the appearance of waste product, a lot of cross cutting machines can adopt artifical regulation mode to detect the adjustment to the distance between activity die holder and the fixed die holder usually after using the certain time at present, adjust die cutting pressure, but this kind of regulation mode process is more loaded down with trivial details, need carry out many times of experiments and just can obtain the pressure value of a more ideal, and the precision is lower, seriously influence the production process.
Disclosure of Invention
Aiming at the problems in the prior art, the invention discloses a mechanical pressure regulating mechanism and a pressure regulating method of a die-cutting machine, the mechanism is provided with a pressure regulating mechanism and a clamping servo mechanism, a detection assembly is used for acquiring the relative displacement distance between a movable die holder and a fixed die holder in the die-cutting process and comparing the relative displacement distance with the displacement distance under the standard die-cutting pressure to acquire a pressure regulating pulse signal of the pressure regulating mechanism, the die-cutting machine can regulate the die-cutting pressure in the stroke stage of the movable die holder according to the pulse signal acquired by calculation, and the clamping servo mechanism is used for keeping the relative positions of a pressure regulating ball head seat and a pressure regulating locking nut fixed, so that the relative position displacement of the pressure regulating ball head seat and the pressure regulating locking nut in the die-cutting process is avoided, the die-cutting pressure is changed, the die-cutting quality is influenced, the mechanism can regulate the pressure of the die-cutting machine without stopping the machine, and the on-line function is realized, the die cutting production efficiency can be improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a mechanical pressure regulating mechanism of a die-cutting machine comprises a die-cutting part, a lifting seat, a connecting guide pillar, a clamping servo mechanism, a pressure regulating mechanism and a ball head transmission assembly, wherein the die-cutting part comprises a fixed die holder and a movable die holder, the movable die holder is arranged right above the fixed die holder in parallel, the four corners of the movable die holder are respectively and fixedly connected with one end of the connecting guide pillar, and the other end of the connecting guide pillar penetrates through the four corners of the fixed die holder and extends downwards to the surface of the lifting seat; the lifting seat is arranged in parallel under the fixed die holder, the middle part of the lifting seat is provided with an installation hole, and four corners of the lifting seat are fixedly connected with the end part of the connecting guide pillar;
the ball head transmission assembly comprises a pressure regulating ball head seat and a pressure regulating locking nut, wherein the pressure regulating locking nut is fixedly installed in an installation hole of a lifting seat, the pressure regulating ball head seat comprises a ball head installation part, the ball head installation part is used for connecting a main shaft assembly of a die cutting machine and converting the power of the main shaft assembly into the vertical reciprocating displacement motion of the ball head transmission assembly, an extension part extending downwards is arranged on the bottom surface of the ball head installation part, a connecting clamping groove is formed in the position, located at the lower end, of the extension part, a connecting thread is arranged on the surface of the outer circle of the extension part, and the connecting thread of the extension part is matched and connected with a threaded hole of the pressure regulating locking nut;
the clamping servo mechanism is positioned on the side of the ball head transmission assembly, the clamping servo device comprises two clamping plates and a clamping motor, the clamping plates are used for clamping and fixing the extending part of the pressure regulating ball head seat, and the clamping motor is used for providing clamping driving force for the two clamping plates;
the pressure regulating mechanism is positioned on the side of the ball head transmission assembly and is fixedly arranged on the lifting seat; the pressure regulating mechanism comprises a pressure regulating motor, a pressure regulating worm wheel, a pressure regulating worm and a worm wheel transmission shaft, the pressure regulating worm wheel is arranged on the bottom surface of the lifting seat, and the axis of the pressure regulating worm wheel is vertical to the bottom surface of the lifting seat; one end of the worm gear transmission shaft is fixedly connected with the axis of the pressure regulating worm gear, and the other end of the worm gear transmission shaft is provided with a deflector rod along the radial direction, and the deflector rod is nested into the connecting clamping groove of the extending part; the pressure regulating worm is positioned on the side of the pressure regulating worm wheel and is meshed and connected with the pressure regulating worm wheel; the voltage regulating motor is also fixed on the lifting seat and is in transmission connection with the voltage regulating worm.
Further, the pressure regulating locking nut comprises a clamping shaft sleeve and a fixed shaft sleeve, wherein the fixed shaft sleeve is fixedly connected with the mounting hole of the lifting seat through a bolt; the clamping shaft sleeve is located above the fixed shaft sleeve, the part between the clamping shaft sleeve and the fixed shaft sleeve is welded and fixed, two clamping portions are arranged on the clamping shaft sleeve, a gap is formed between the clamping portions, and each clamping portion is fixedly connected with a clamping plate.
Furthermore, the clamping servo mechanism also comprises a first clamping plate, a second clamping plate, a motor mounting plate and a lead screw, wherein the first clamping plate, the second clamping plate and the motor mounting plate are arranged in parallel, and the first clamping plate and the motor mounting plate are fixedly connected through two reinforcing plates to jointly form a frame-shaped structure; the clamping motor is fixedly connected to the motor mounting plate, a driving shaft of the clamping motor is fixedly connected with one end of the screw rod, and the other end of the screw rod penetrates through the first clamping plate and extends to the second clamping plate; the first clamping plate is fixedly connected with one clamping portion of the clamping shaft sleeve, the second clamping plate is fixedly connected with the other clamping portion of the clamping shaft sleeve, the screw rod is driven to rotate through the clamping motor, the distance between the first clamping plate and the second clamping plate is adjusted, and then the clamping shaft sleeve and the extending portion are clamped or loosened.
Furthermore, a first lead screw support is arranged at the contact position of the first clamping plate and the lead screw, the first lead screw support keeps the position between the lead screw and the first clamping plate fixed in the axial direction of the lead screw, and the lead screw and the first clamping plate freely rotate in the circumferential direction of the lead screw; the side face of the second clamping plate is fixedly connected with a limiting block, a second lead screw support is fixedly mounted in the limiting block, and the second lead screw support is connected with a lead screw through threads.
Furthermore, a first sensor is arranged at the top surface of the first clamping plate and the top surface of the second clamping plate, and the first sensor is used for detecting the distance between the first clamping plate and the second clamping plate.
Furthermore, the pressure regulating mechanism also comprises a worm gear box body, and the worm gear box body is fixedly connected to the lower surface of the lifting seat; the pressure regulating worm wheel is positioned in the worm wheel box body, and bearings are symmetrically arranged on two side surfaces of the pressure regulating worm wheel; the lateral surface of worm gear box is equipped with two sets of worm backup pads, the pressure regulating worm is fixed in worm gear box side through two sets of worm backup pads.
Furthermore, the pressure regulating worm comprises a chain wheel mounting part and a thread part, the thread part is positioned between the two worm support plates, and the thread part is meshed with the pressure regulating worm wheel; the chain wheel mounting part is located the middle part of pressure regulating worm, fixed mounting has first sprocket on the chain wheel mounting part.
Furthermore, the lifting seat upper surface still is equipped with the second sensor, the second sensor is located the side of pressure regulating bulb seat, the second sensor is used for detecting the relative height value of pressure regulating bulb seat and lifting seat.
Further, the mechanical pressure regulating mechanism also comprises a grating ruler component, wherein the grating ruler component is arranged on the side of the die cutting part and comprises a grating ruler and a grating mounting seat as well as a grating reading head, the grating mounting seat is vertically fixed on the fixed die holder, and the grating ruler is arranged on the grating mounting seat; the grating reading head is fixed on the movable die holder; the grating reading head moves along with the movable die holder and reads the height data corresponding to the grating ruler.
In addition, the invention also discloses a mechanical pressure regulating method of the die-cutting machine, which is characterized by comprising the following steps:
setting a standard distance between the movable die holder and the fixed die holder under a standard die cutting pressure;
the grating ruler component detects the current distance between the movable die holder and the fixed die holder in the operation process of the die cutting machine;
comparing the difference value between the current space and the standard space between the movable die holder and the fixed die holder;
calculating the movement amount of the extension part of the pressure regulating ball socket and the pressure regulating locking nut according to the difference value of the current distance and the standard distance;
generating a pulse signal of the pressure regulating mechanism according to the obtained movement amount of the extension part of the pressure regulating ball seat and the pressure regulating locking nut;
when the movable die holder and the fixed die holder move back to back, the clamping shaft sleeve and the extension part are loosened through the clamping servo mechanism;
controlling the rotation amount of the pressure regulating motor according to a pulse signal generated by the pressure regulating mechanism, and enabling the extension part of the pressure regulating ball socket and the pressure regulating locking nut to complete displacement movement with corresponding movement amount through the meshing rotation of the pressure regulating worm wheel and the pressure regulating worm;
when the displacement of the extension part of the pressure regulating ball socket and the pressure regulating locking nut is completed, the clamping servo mechanism drives the clamping shaft sleeve to clamp the extension part of the pressure regulating ball socket, and the pressure regulation is completed.
Compared with the prior art, the invention has the following advantages:
1) the mechanical pressure regulating mechanism is provided with the pressure regulating mechanism, the relative displacement distance between the movable die holder and the fixed die holder in the die cutting process is detected and compared with the displacement distance under the standard die cutting pressure, so that the pressure regulating pulse signal of the pressure regulating mechanism is obtained, and the die cutting machine can regulate the die cutting pressure in the stroke stage of the movable die holder according to the pulse signal obtained by calculation, so that the die cutting pressure in the die cutting process is kept consistent, and the die cutting quality is prevented from being influenced by the die cutting pressure change.
2) The clamping servo mechanism in the mechanical pressure regulating mechanism can keep the relative positions of the pressure regulating ball seat and the pressure regulating locking nut fixed in the operation process of the die cutting machine, avoids displacement of the relative positions of the pressure regulating ball seat and the pressure regulating locking nut caused by stress change of internal equipment of the die cutting machine in the die cutting process, further causes die cutting pressure change and influences die cutting quality, and in the up-stroke stage of the movable die holder, when the pressure regulating mechanism performs pressure regulating operation, the clamping servo mechanism is loosened to adjust the relative positions of the pressure regulating ball seat and the pressure regulating locking nut, and immediately clamps after the pressure regulating mechanism finishes pressure regulating, so that the pressure regulating ball seat and the pressure regulating locking nut are locked, and further improves die cutting stability.
3) The mechanical pressure regulating mechanism can regulate the pressure of the die-cutting machine on line without shutting down the die-cutting machine, on one hand, the pressure can be regulated at any time in a factory in the production process, so that the die-cutting machine still keeps the standard die-cutting pressure after long-time operation, the die-cutting quality is ensured, and on the other hand, the die-cutting does not need to be shut down in the pressure regulating process, so that the reduction of the production efficiency can be avoided.
Drawings
FIG. 1 is a block diagram of a mechanical pressure regulating mechanism of a die cutting machine according to the present embodiment;
FIG. 2 is a top view of the lift seat portion of the mechanical pressure regulating mechanism of the present embodiment;
FIG. 3 is a bottom view of the elevator base portion of the mechanical pressure regulating mechanism of the present embodiment;
fig. 4 is a perspective view of the pressure regulating mechanism in the present embodiment;
fig. 5 is a sectional view of the internal structure of the pressure regulating mechanism in the present embodiment;
FIG. 6 is a perspective view of a clamping servo in the present embodiment;
fig. 7 is a sectional view of the internal structure of the clamping servo mechanism in the present embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example (b):
as shown in fig. 1-3, the present embodiment discloses a mechanical pressure regulating mechanism of a die cutting machine, the mechanical pressure regulating mechanism includes a die cutting part 1, a lifting seat 2, a connecting guide pillar 3, a clamping servo mechanism 4, a pressure regulating mechanism 6 and a ball head transmission assembly 5, the die cutting part 1 includes a fixed die holder 102 and a movable die holder 101, the movable die holder 101 is disposed right above the fixed die holder 102 in parallel, four corners of the movable die holder 101 are respectively and fixedly connected to one end of the connecting guide pillar 3, and the other end of the connecting guide pillar 3 penetrates through four corners of the fixed die holder 102 and extends downward to the surface of the lifting seat 2; the lifting seat 2 is arranged under the fixed die holder 102 in parallel, a mounting hole is formed in the middle of the lifting seat 2, and four corners of the lifting seat 2 are fixedly connected with the end portion of the connecting guide pillar 3.
As shown in fig. 4 and 5, specifically, the ball head transmission assembly 5 comprises a pressure regulating ball head seat 501 and a pressure regulating locking nut 502, wherein the pressure regulating locking nut 502 is fixedly installed in a mounting hole of a lifting seat 2, the pressure regulating ball head seat 501 comprises a ball head mounting part 5011, the ball head mounting part 5011 is used for connecting a spindle assembly of a die cutting machine, power of the spindle assembly is converted into vertical reciprocating displacement motion of the ball head transmission assembly 5, an extension part 5012 extending downwards is arranged on the bottom surface of the ball head mounting part 5011, a connecting clamping groove 5013 is arranged at the position of the lower end of the extension part 5012, a connecting thread is arranged on the outer circle surface of the extension part 5012, and the connecting thread of the extension part 5012 is matched and connected with a threaded hole of the pressure regulating locking nut 502; the pressure regulating locking nut 502 comprises a clamping shaft sleeve 5022 and a fixed shaft sleeve 5021, wherein the fixed shaft sleeve 5021 is fixedly connected with a mounting hole of the lifting seat 2 through a bolt; the clamping sleeve 5022 is located above the fixed sleeve 5021, and part of the clamping sleeve 5022 and the fixed sleeve 5021 is welded and fixed. When the pressure regulating ball seat 501 rotates circumferentially, the connecting thread of the extension portion 5012 is matched with the threaded hole of the pressure regulating locking nut 502, the pressure regulating ball seat 501 is displaced axially, because the position of the fixed die holder 102 in the die cutting machine is fixed, the heights of the die cutting spindle, the connecting rod assembly and other devices connected with the fixed die holder 102 are also fixed, when the pressure regulating ball seat 501 is displaced axially, the height of the lifting seat 2 is driven to change, so that the limit position of the movable die holder 101 during die cutting action is changed, and when the movable die holder 101 and the fixed die holder 102 perform die cutting, the die cutting depth is changed, and the die cutting pressure is changed.
As shown in fig. 6 and 7, the clamping servo mechanism 4 is located at the side of the ball head transmission assembly 5, the clamping servo mechanism 4 comprises a first clamping plate 404, a second clamping plate 405 and a clamping motor 401, the first clamping plate 404 and the second clamping plate 405 are used together for clamping an extension portion 5012 of the fixed pressure-regulating ball socket 501, and the clamping motor 401 is used for providing a clamping driving force to the two clamping plates; the clamping sleeve 5022 is provided with two clamping parts 5023, a gap is formed between the clamping parts 5023, and the first clamping plate 404 and the second clamping plate 405 are fixedly connected with one clamping part 5023 respectively.
The clamping servo mechanism 4 further comprises a motor mounting plate 402 and a screw 408, the first clamping plate 404 and the second clamping plate 405 are arranged in parallel with the motor mounting plate 402, and the first clamping plate 404 and the motor mounting plate 402 are fixedly connected through two reinforcing plates 403 to jointly form a frame-shaped structure; the clamping motor 401 is fixedly connected to the motor mounting plate 402, a driving shaft of the clamping motor 401 is fixedly connected with one end of a screw rod 408, and the other end of the screw rod 408 penetrates through the first clamping plate 404 and extends to the second clamping plate 405; the first clamping plate 404 is fixedly connected with one clamping part, the second clamping plate 405 is fixedly connected with the other clamping part, the screw rod 408 is driven to rotate by the clamping motor 401, the distance between the first clamping plate 404 and the second clamping plate 405 is adjusted, and clamping or loosening actions of the clamping shaft sleeve 5022 and the extension part 5012 are further achieved.
A first screw rod support 409 is arranged at the contact position of the first clamping plate 404 and the screw rod 408, the first screw rod support 409 keeps the position between the screw rod 408 and the first clamping plate 404 fixed in the axial direction of the screw rod 408, and the screw rod 408 and the first clamping plate 404 freely rotate in the circumferential direction of the screw rod 408; the side surface of the second clamping plate 405 is fixedly connected with a limiting block 406, a second screw rod support 410 is fixedly installed in the limiting block 406, and the second screw rod support is connected with the screw rod 408 through threads. Since the first clamping plate 404 and the lead screw 408 are kept fixed in axial position, and the second lead screw support 410 connected with the second clamping plate 405 is in threaded connection with the lead screw 408, when the lead screw 408 rotates, the position of the lead screw 408 and the first clamping plate 404 is unchanged, the relative position of the second clamping plate 405 and the lead screw 408 is changed, the relative position between the first clamping plate 404 and the second clamping plate 405 is changed, the distance between the clamping parts 5023 on the clamping sleeve 5022 is changed, the diameter of the clamping sleeve 5022 is changed, and the pressing force of the clamping sleeve 5022 on the extension part 5012 is changed.
The top surfaces of the first clamping plate 404 and the second clamping plate 405 are provided with a first sensor 407, and the first sensor 407 is used for detecting the distance between the first clamping plate 404 and the second clamping plate 405. The first sensor 407 determines a change in the clamping force of the clamping servo 4 on the pressure-adjusting ball seat 501 by detecting a change in the distance between the first clamping plate 404 and the second clamping plate 405. The lifting seat upper surface still is equipped with second sensor 7, second sensor 7 is located the side of pressure regulating bulb seat 501, second sensor 7 is used for detecting the relative height value of pressure regulating bulb seat 501 and lifting seat 2.
The pressure regulating mechanism 6 is positioned on the side of the ball head transmission component 5, and the pressure regulating mechanism 6 is fixedly arranged on the lifting seat 2; the pressure regulating mechanism 6 comprises a pressure regulating motor 601, a pressure regulating worm wheel 605, a worm wheel box body 602, a pressure regulating worm 604 and a worm wheel transmission shaft 606, the worm wheel box body 602 is fixedly connected to the lower surface of the lifting seat 2, and two sets of worm support plates 603 are arranged on the outer side surface of the worm wheel box body 602; the pressure regulating worm wheel 605 is arranged on the bottom surface of the lifting seat 2, the axis of the pressure regulating worm wheel 605 is perpendicular to the bottom surface of the lifting seat 2, the pressure regulating worm wheel 605 is arranged in the worm wheel box 602, bearings are symmetrically arranged on two side surfaces of the pressure regulating worm wheel 605, the bearings can keep the pressure regulating worm wheel 605 and the inner wall of the worm wheel box 602 not in direct contact, contact interference is avoided, and the pressure regulating worm wheel 605 can stably rotate in the worm wheel box 602; one end of the worm wheel transmission shaft 606 is fixedly connected with the axis of the pressure regulating worm wheel 605, the other end of the worm wheel transmission shaft 606 is provided with a shifting lever 607 along the radial direction, the shifting lever 607 is nested into a connecting clamping groove 5013 of the extension part 5012, and the worm wheel transmission shaft 606 can be kept through the shifting lever 607 and the connecting clamping groove 5013 as the height of the pressure regulating ball head seat 501 can be changed at any time along with the adjustment of the die cutting pressure; the pressure regulating worm 604 is fixed on the side of the worm gear box body 602 through two sets of worm support plates 603, and the pressure regulating worm 604 is meshed with the pressure regulating worm gear 605; the voltage regulating motor 601 is also fixed on the lifting seat 2, and the voltage regulating motor 601 is in transmission connection with the voltage regulating worm 604.
More specifically, the pressure regulating worm 604 includes a sprocket mounting part 6042 and a thread part 6041, the thread part 6041 is located between the two sets of worm support plates 603, and the thread part 6041 is meshed with the pressure regulating worm wheel 605; sprocket installation department 6042 is located the middle part of pressure regulating worm 604, fixed mounting has first sprocket on the sprocket installation department 6042. The second chain wheel is arranged on the driving shaft of the pressure regulating motor 601, the driving force of the pressure regulating motor 601 can be transmitted to the pressure regulating worm 604 through a chain wheel chain structure, and the rotating speed and the direction of the pressure regulating worm 605 can be further calculated and controlled due to the fact that the transmission ratio of the threaded part 6041 on the pressure regulating worm 604 to the pressure regulating worm wheel 605 is fixed, so that the relative positions of the pressure regulating ball head seat 501 and the pressure regulating locking nut 502 are finally regulated and controlled through the worm wheel transmission shaft 606, and die cutting pressure regulation and control are achieved.
Furthermore, the mechanical pressure regulating mechanism further comprises a grating ruler component 8, wherein the grating ruler component 8 is arranged on the side of the die cutting part 1, the grating ruler component 8 comprises a grating ruler and a grating mounting seat and a grating reading head, the grating mounting seat is vertically fixed on the fixed die holder 102, and the grating ruler is arranged on the grating mounting seat; the grating reading head is fixed on the movable die holder 101; the grating reading head can move along with the movable die holder 101, read height data corresponding to a grating ruler in real time, determine the die cutting depth of the movable die holder 101 and the fixed die holder 102, send detection data signals, analyze the detection data signals through the die cutting machine, control the pressure regulating motor 601 and the clamping motor 401 to execute corresponding actions, and achieve die cutting pressure adjustment.
Based on the above structure, the specific method for mechanically adjusting the pressure of the die cutting machine in this embodiment includes the following steps:
firstly, setting a standard distance between a movable die holder 101 and a fixed die holder 102 under a standard die cutting pressure, and determining a distance reference between the movable die holder 101 and the fixed die holder 102 in a die cutting process so as to facilitate data comparison in an actual detection process;
secondly, detecting the current distance between the movable die holder 101 and the fixed die holder 102 in the operation process of the die-cutting machine through the grating ruler component 8;
comparing the difference value between the current space and the standard space between the movable die holder 101 and the fixed die holder 102 by the die cutting machine;
calculating the movement amount of the extension part 5012 of the pressure regulating ball socket 501 and the pressure regulating locknut 502 according to the difference value between the current distance and the standard distance;
generating a pulse signal of the pressure regulating mechanism 6 according to the obtained movement amounts of the extension 5012 of the pressure regulating ball seat 501 and the pressure regulating locknut 502;
when the movable die holder 101 and the fixed die holder 102 move back to back, namely the distance between the movable die holder 101 and the fixed die holder 102 is increased, the clamping sleeve 5022 is loosened from the extending part 5012 by controlling the clamping servo mechanism 4;
according to the pulse signal of the generated pressure regulating mechanism 6, the rotation amount of the pressure regulating motor 601 is controlled, and the extension part 5012 of the pressure regulating ball socket 501 and the pressure regulating locknut 502 complete the displacement movement with the corresponding movement amount through the meshing rotation of the pressure regulating worm wheel 605 and the pressure regulating worm 604;
after the extension 5012 of the pressure regulating ball seat 501 and the pressure regulating locknut 502 are displaced, the clamping servo mechanism 4 drives the clamping sleeve 5022 to clamp the extension 5012 of the pressure regulating ball seat 501, and the pressure regulation is completed.
It should be noted that, in the method, the pressure regulating process is an upper stroke stage in the die cutting motion, namely a motion process in which the distance between the movable die holder and the fixed die holder is increased, the lifting is realized by the ball head transmission assembly in the motion stage, at the moment, the connection clearance of each part of the lifting seat and each device on the ball head transmission assembly is smaller due to gravity, the transmission efficiency is highest, the pressure regulating effect is optimal at the moment, each part is kept by the clamping servo mechanism, especially, the position of the connection position of the lifting seat and the ball head transmission assembly is fixed in the transmission process, the transmission efficiency can be further improved, and the control accuracy of the die cutting process is improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A mechanical pressure regulating mechanism of a die-cutting machine is used for carrying out die-cutting pressure regulation on a die-cutting part of the die-cutting machine and is characterized by comprising the die-cutting part, a lifting seat, a connecting guide pillar, a clamping servo mechanism, a pressure regulating mechanism and a ball head transmission assembly, wherein the die-cutting part comprises a fixed die holder and a movable die holder, the movable die holder is arranged right above the fixed die holder in parallel, four corners of the movable die holder are respectively and fixedly connected with one end of the connecting guide pillar, and the other end of the connecting guide pillar penetrates through four corners of the fixed die holder and extends downwards to the surface of the lifting seat; the lifting seat is arranged in parallel under the fixed die holder, the middle part of the lifting seat is provided with an installation hole, and four corners of the lifting seat are fixedly connected with the end part of the connecting guide pillar;
the ball head transmission assembly comprises a pressure regulating ball head seat and a pressure regulating locking nut, wherein the pressure regulating locking nut is fixedly installed in an installation hole of a lifting seat, the pressure regulating ball head seat comprises a ball head installation part, the ball head installation part is used for connecting a main shaft assembly of a die cutting machine and converting the power of the main shaft assembly into the vertical reciprocating displacement motion of the ball head transmission assembly, an extension part extending downwards is arranged on the bottom surface of the ball head installation part, a connecting clamping groove is formed in the position, located at the lower end, of the extension part, a connecting thread is arranged on the surface of the outer circle of the extension part, and the connecting thread of the extension part is matched and;
the clamping servo mechanism is positioned on the side of the ball head transmission assembly, the clamping servo device comprises a first clamping plate, a second clamping plate and a clamping motor, the first clamping plate and the second clamping plate are jointly used for clamping and fixing an extending part of the pressure regulating ball head seat, and the clamping motor is used for providing clamping driving force for the two clamping plates;
the pressure regulating mechanism is positioned on the side of the ball head transmission assembly and is fixedly arranged on the lifting seat; the pressure regulating mechanism comprises a pressure regulating motor, a pressure regulating worm wheel, a pressure regulating worm and a worm wheel transmission shaft, the pressure regulating worm wheel is arranged on the bottom surface of the lifting seat, and the axis of the pressure regulating worm wheel is vertical to the bottom surface of the lifting seat; one end of the worm gear transmission shaft is fixedly connected with the axis of the pressure regulating worm gear, and the other end of the worm gear transmission shaft is provided with a deflector rod along the radial direction, and the deflector rod is nested into the connecting clamping groove of the extending part; the pressure regulating worm is positioned on the side of the pressure regulating worm wheel and is meshed and connected with the pressure regulating worm wheel; the voltage regulating motor is also fixed on the lifting seat and is in transmission connection with the voltage regulating worm.
2. The mechanical pressure regulating mechanism of claim 1, wherein the pressure regulating lock nut comprises a clamping bushing and a fixed bushing, wherein the fixed bushing is fixedly connected with the mounting hole of the lifting seat through a bolt; the clamping shaft sleeve is located above the fixed shaft sleeve, the part between the clamping shaft sleeve and the fixed shaft sleeve is welded and fixed, two clamping portions are arranged on the clamping shaft sleeve, a gap is formed between the clamping portions, and the first clamping plate and the second clamping plate are fixedly connected with one clamping portion respectively.
3. The mechanical pressure regulating mechanism of claim 2, wherein the clamping servo mechanism further comprises a first clamping plate, a second clamping plate, a motor mounting plate and a screw rod, the first clamping plate, the second clamping plate and the motor mounting plate are arranged in parallel, and the first clamping plate and the motor mounting plate are connected and fixed through two reinforcing plates to jointly form a frame-shaped structure; the clamping motor is fixedly connected to the motor mounting plate, a driving shaft of the clamping motor is fixedly connected with one end of the screw rod, and the other end of the screw rod penetrates through the first clamping plate and extends to the second clamping plate; the first clamping plate is fixedly connected with one clamping portion of the clamping shaft sleeve, the second clamping plate is fixedly connected with the other clamping portion of the clamping shaft sleeve, the screw rod is driven to rotate through the clamping motor, the distance between the first clamping plate and the second clamping plate is adjusted, and then the clamping shaft sleeve and the extending portion are clamped or loosened.
4. The mechanical pressure regulating mechanism according to claim 3, wherein a contact position of the first clamping plate and the screw is provided with a first screw support, the first screw support keeps a position between the screw and the first clamping plate fixed in an axial direction of the screw, and the screw and the first clamping plate freely rotate in a circumferential direction of the screw; the side face of the second clamping plate is fixedly connected with a limiting block, a second lead screw support is fixedly mounted in the limiting block, and the second lead screw support is connected with a lead screw through threads.
5. The mechanical pressure regulating mechanism according to claim 3, wherein the top surface positions of the first clamping plate and the second clamping plate are provided with a first sensor, and the first sensor is used for detecting the distance between the first clamping plate and the second clamping plate.
6. The mechanical pressure regulating mechanism of claim 1, further comprising a worm gear box body, wherein the worm gear box body is fixedly connected to the lower surface of the lifting seat; the pressure regulating worm wheel is positioned in the worm wheel box body, and bearings are symmetrically arranged on two side surfaces of the pressure regulating worm wheel; the lateral surface of worm gear box is equipped with two sets of worm backup pads, the pressure regulating worm is fixed in worm gear box side through two sets of worm backup pads.
7. The mechanical pressure regulating mechanism of claim 1, wherein the pressure regulating worm includes a sprocket mounting portion and a threaded portion, the threaded portion is located between the two sets of worm support plates, and the threaded portion is engaged with the pressure regulating worm wheel; the chain wheel mounting part is located the middle part of pressure regulating worm, fixed mounting has first sprocket on the chain wheel mounting part.
8. The mechanical pressure regulating mechanism of claim 1, further comprising a grating scale assembly disposed at a side of the die cutting portion, wherein the grating scale assembly comprises a grating scale and a grating mounting seat, the grating mounting seat is vertically fixed on the fixed die holder, and the grating scale is disposed on the grating mounting seat; the grating reading head is fixed on the movable die holder; the grating reading head moves along with the movable die holder and reads the height data corresponding to the grating ruler.
9. The mechanical pressure regulating mechanism of claim 1, wherein the upper surface of the lifting seat is further provided with a second sensor, the second sensor is located on the side of the pressure regulating ball seat, and the second sensor is used for detecting the relative height value of the pressure regulating ball seat and the lifting seat.
10. A mechanical pressure regulating method of a die-cutting machine is characterized by comprising the following steps:
setting a standard distance between the movable die holder and the fixed die holder under a standard die cutting pressure;
the grating ruler component detects the current distance between the movable die holder and the fixed die holder in the operation process of the die cutting machine;
comparing the difference value between the current space and the standard space between the movable die holder and the fixed die holder;
calculating the movement amount of the extension part of the pressure regulating ball socket and the pressure regulating locking nut according to the difference value of the current distance and the standard distance;
generating a pulse signal of the pressure regulating mechanism according to the obtained movement amount of the extension part of the pressure regulating ball seat and the pressure regulating locking nut;
when the movable die holder and the fixed die holder move back to back, the clamping shaft sleeve and the extension part are loosened through the clamping servo mechanism;
controlling the rotation amount of the pressure regulating motor according to a pulse signal generated by the pressure regulating mechanism, and enabling the extension part of the pressure regulating ball socket and the pressure regulating locking nut to complete displacement movement with corresponding movement amount through the meshing rotation of the pressure regulating worm wheel and the pressure regulating worm;
when the displacement of the extension part of the pressure regulating ball socket and the pressure regulating locking nut is completed, the clamping servo mechanism drives the clamping shaft sleeve to clamp the extension part of the pressure regulating ball socket, and the pressure regulation is completed.
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| CN115655182A (en) * | 2022-11-14 | 2023-01-31 | 山东明天机械集团股份有限公司 | Device for detecting size and contour of inner bearing of magnetic suspension high-speed fan |
| CN117620021A (en) * | 2024-01-24 | 2024-03-01 | 哈尔滨润佰科技发展有限公司 | Shell machining device for producing natural gas detector shells |
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| CN117620021B (en) * | 2024-01-24 | 2024-04-30 | 哈尔滨润佰科技发展有限公司 | Shell machining device for producing natural gas detector shells |
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