CN113276217B - 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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- CN113276217B CN113276217B CN202110710738.7A CN202110710738A CN113276217B CN 113276217 B CN113276217 B CN 113276217B CN 202110710738 A CN202110710738 A CN 202110710738A CN 113276217 B CN113276217 B CN 113276217B
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 209
- 238000005520 cutting process Methods 0.000 title claims abstract description 114
- 230000007246 mechanism Effects 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 34
- 230000033001 locomotion Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 5
- 208000006011 Stroke Diseases 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 10
- 230000000875 corresponding effect Effects 0.000 description 5
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- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007363 regulatory process Effects 0.000 description 2
- 230000020347 spindle assembly Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- 238000007373 indentation Methods 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
-
- 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
Abstract
The invention relates to a mechanical pressure regulating mechanism and a pressure regulating method of a die cutting machine, wherein 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 standard die cutting pressure to acquire a pressure regulating pulse signal of the pressure regulating mechanism, the die cutting machine can carry out die cutting pressure regulation according to the calculated pulse signal in the up-stroke stage of the movable die holder, and the clamping servo mechanism is used for keeping the relative positions of a pressure regulating ball holder and a pressure regulating locking nut fixed, so that the relative position displacement of the pressure regulating ball holder 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 carry out pressure regulation on the die cutting machine without stopping, 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 of the quality of the die cutting product of the customs die cutting machine, the die cutting pressure is too small, the cutting die cannot cut off the product, and the product cannot be molded; even if the cutting die can cut off the product, the indentation is too small, and the adhesion condition can occur, so that the subsequent production is affected; however, if the die cutting pressure is too high, the die cutting is easily affected, the cutting edge becomes blunt quickly, and the service life of the die cutting plate is affected. And when the passivated cutting die is used for die cutting, burrs can be formed on the product to different degrees. Therefore, the ideal die cutting pressure can just separate the slitter edges of all the cuts under the condition of minimum pressure of the die cutting machine, so that the cutting die is not easy to wear. In order to accomplish die cutting quality control with as minimal pressure as possible, it may be necessary to repeatedly adjust the die cutting pressure.
After the die cutting machine runs for a period of time, because the die cutting machine runs for a long time, the internal parts of the equipment are heated and expanded or are vibrated to deform, so that when the die cutting action is carried out between the movable die holder and the fixed die holder of the die cutting machine, the pressure of the movable die holder and the fixed die holder can change, the die cutting pressure change can lead to a certain error of a processed product to appear, waste products are caused, at present, a plurality of die cutting machines usually detect and adjust the distance between the movable die holder and the fixed die holder in a manual adjusting mode after being used for a certain time, and the die cutting pressure is adjusted, but the adjusting mode is complex in process, a more ideal pressure value can be obtained only by carrying out multiple times of experiments, and the accuracy is lower, so that the production process is seriously influenced.
Disclosure of Invention
According to the mechanical pressure regulating mechanism and the pressure regulating method of the die cutting machine, the pressure regulating mechanism and the clamping servo mechanism are arranged, the detection assembly is used for acquiring the relative displacement distance between the movable die holder and the 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 the pressure regulating pulse signal of the pressure regulating mechanism, the die cutting machine can carry out die cutting pressure regulation on the stage of the upstroke of the movable die holder according to the calculated pulse signal, the clamping servo mechanism is used for keeping the relative positions of the pressure regulating ball holder and the pressure regulating lock nut fixed, the relative position displacement of the pressure regulating ball holder and the pressure regulating lock nut in the die cutting process is avoided, the die cutting pressure change is caused, the die cutting quality is influenced, the mechanism can carry out pressure regulation on the die cutting machine without stopping, the online pressure regulating function is realized, and the die cutting production efficiency is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the mechanical pressure regulating mechanism of the die cutting machine comprises a die cutting part, a lifting seat, a connecting guide post, 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 corner positions of the movable die holder are respectively fixedly connected with one end of the connecting guide post, and the other end of the connecting guide post penetrates through four corners of the fixed die holder and downwards extends to the surface of the lifting seat; the lifting seat is arranged right below the fixed die holder in parallel, the middle part of the lifting seat is provided with a mounting hole, and four corners of the lifting seat are fixedly connected with the end parts of the connecting guide posts;
the ball head transmission assembly comprises a pressure regulating ball head seat and a pressure regulating lock nut, wherein the pressure regulating lock nut is fixedly arranged in a mounting hole of the lifting seat, the pressure regulating ball head seat comprises a ball head mounting part, the ball head mounting part is used for connecting a main shaft assembly of the die-cutting machine and converting the power of the main shaft assembly into up-and-down reciprocating displacement movement of the ball head transmission assembly, the bottom surface of the ball head mounting part is provided with a downward extending extension part, the position of the extension part, which is positioned at the lower end, is provided with a connecting clamping groove, the outer circle surface of the extension part is provided with connecting threads, and the connecting threads of the extension part are in fit connection with a threaded hole of the pressure regulating lock nut;
the clamping servo mechanism is positioned at 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 extension 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 at 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, wherein 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, the other end of the worm gear transmission shaft is radially provided with a deflector rod, and the deflector rod is nested in the connecting clamping groove of the extension part; the pressure regulating worm is positioned at the side of the pressure regulating worm wheel and is meshed with the pressure regulating worm wheel; the pressure regulating motor is also fixed on the lifting seat, and the pressure regulating motor is connected with the pressure regulating worm in a transmission way.
Further, the pressure regulating lock 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 positioned above the fixed shaft sleeve, part of the clamping shaft sleeve is welded and fixed with the fixed shaft sleeve, two clamping parts are arranged on the clamping shaft sleeve, a gap is arranged between the clamping parts, and each clamping part is fixedly connected with a clamping plate respectively.
Further, the clamping servo mechanism further comprises a first clamping plate, a second clamping plate, a motor mounting plate and a screw rod, 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 form a frame structure together; 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 a lead screw, and the other end of the lead screw penetrates through the first clamping plate and extends to the second clamping plate; the first clamping plate is fixedly connected with one clamping part of the clamping shaft sleeve, the second clamping plate is fixedly connected with the other clamping part 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 part are clamped or loosened.
Further, a first screw support is arranged at the contact position of the first clamping plate and the screw, the first screw support keeps the screw and the first clamping plate fixed in the axial direction of the screw, and the screw and the first clamping plate freely rotate in the circumferential direction of the screw; the side face of the second clamping plate is fixedly connected with a limiting block, a second screw rod support is fixedly installed in the limiting block, and the second screw rod support is connected with a screw rod through threads.
Further, the top surfaces of the first clamping plate and the second clamping plate are provided with first sensors, and the first sensors are used for detecting the distance between the first clamping plate and the second clamping plate.
Further, 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 gear box body, and bearings are symmetrically arranged on two side surfaces of the pressure regulating worm wheel; the outer side surface of the worm gear box body is provided with two sets of worm support plates, and the pressure regulating worm is fixed on the side of the worm gear box body through the two sets of worm support plates.
Further, the pressure regulating worm comprises a chain wheel mounting part and a threaded part, wherein the threaded part is positioned between two groups of worm support plates, and the threaded part is meshed with the pressure regulating worm wheel; the sprocket installation part is located the middle part of pressure regulating worm, fixed mounting has first sprocket on the sprocket installation part.
Further, the upper surface of the lifting seat is also provided with a second sensor, the second sensor is positioned at 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.
Further, the mechanical pressure regulating mechanism also comprises a grating ruler component, wherein the grating ruler component is arranged at the side of the die cutting part, the grating ruler component 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, and the grating ruler is arranged on the grating mounting seat; the grating reading head is fixed on the movable die holder; and the grating reading head moves along with the movable die holder and reads the height data corresponding to the grating scale.
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 interval between the movable die holder and the fixed die holder under standard die cutting pressure;
the grating ruler component detects the current distance between the movable die holder and the fixed die holder in the running process of the die cutting machine;
comparing the difference value of the current space between the movable die holder and the fixed die holder with the standard space;
calculating the movement amount of the extension part of the pressure regulating ball seat and the pressure regulating lock nut according to the difference value of the current interval and the standard interval;
generating a pulse signal of the voltage regulating mechanism according to the obtained movement amount of the extension part of the voltage regulating ball seat and the voltage regulating lock nut;
when the movable die holder and the fixed die holder move back, the clamping shaft sleeve and the extension part are loosened through the clamping servo mechanism;
according to the pulse signals generated by the voltage regulating mechanism, the rotation quantity of the voltage regulating motor is controlled, and the extension part of the voltage regulating ball seat and the voltage regulating lock nut complete displacement movement corresponding to the movement quantity through the meshing rotation of the voltage regulating worm wheel and the voltage regulating worm;
when the displacement of the extension part of the pressure regulating ball seat and the pressure regulating lock nut is completed, the clamping servo mechanism drives the clamping shaft sleeve to clamp the extension part of the pressure regulating ball seat, 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, and the pressure regulating pulse signal of the pressure regulating mechanism is obtained by detecting the relative displacement distance between the movable die holder and the fixed die holder in the die cutting part in the die cutting process and comparing the relative displacement distance with the displacement distance under the standard die cutting pressure, and the die cutting machine can regulate the die cutting pressure according to the calculated pulse signal in the upper stroke stage of the movable die holder so as to ensure that the die cutting pressure is kept consistent in the die cutting process and avoid influencing the die cutting quality due to the change of the die cutting pressure.
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 lock nut fixed in the operation process of the die cutting machine, so that the relative positions of the pressure regulating ball seat and the pressure regulating lock nut are prevented from being displaced due to the stress change of internal equipment of the die cutting machine in the die cutting process, the die cutting pressure is further changed, the die cutting quality is further influenced, and in the up-stroke stage of the movable die seat, when the pressure regulating mechanism performs pressure regulating operation, the clamping servo mechanism is loosened, the relative positions of the pressure regulating ball seat and the pressure regulating lock nut are regulated, and after the pressure regulating mechanism finishes pressure regulating, the clamping servo mechanism immediately clamps, so that the positions of the pressure regulating ball seat and the pressure regulating lock nut are locked, and the die cutting stability is further improved.
3) The mechanical pressure regulating mechanism can regulate the pressure of the die cutting machine on line without shutting down the die cutting machine equipment, so that the pressure can be regulated at any time in the production process in a factory, the standard die cutting pressure can be still maintained after the die cutting machine runs for a long time, the die cutting quality is ensured, and on the other hand, the die cutting is not 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 in this embodiment;
FIG. 2 is a top view of a lifting seat portion in the mechanical pressure regulating mechanism of the present embodiment;
FIG. 3 is a bottom view of the lifting seat 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 the clamping servo in this embodiment;
fig. 7 is a sectional view showing the internal structure of the clamp servo in this embodiment.
Detailed Description
For the purpose of making 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 clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Thus, the following detailed description of the embodiments of the invention, as 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, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples:
as shown in fig. 1-3, the embodiment discloses a mechanical pressure regulating mechanism of a die-cutting machine, which comprises a die-cutting part 1, a lifting seat 2, a connecting guide post 3, a clamping servo mechanism 4, a pressure regulating mechanism 6 and a ball head transmission assembly 5, wherein the die-cutting part 1 comprises a fixed die holder 102 and a movable die holder 101, the movable die holder 101 is arranged right above the fixed die holder 102 in parallel, four corners of the movable die holder 101 are respectively fixedly connected with one end of the connecting guide post 3, and the other end of the connecting guide post 3 penetrates through four corners of the fixed die holder 102 and extends downwards to the surface of the lifting seat 2; the lifting seat 2 is arranged right below 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 parts of the connecting guide posts 3.
Referring to fig. 4 and 5, specifically, the ball head transmission assembly 5 includes a pressure-adjusting ball head seat 501 and a pressure-adjusting lock nut 502, where the pressure-adjusting lock nut 502 is fixedly installed in an installation hole of the lifting seat 2, the pressure-adjusting ball head seat 501 includes a ball head installation portion 5011, the ball head installation portion 5011 is used for connecting a spindle assembly of a die-cutting machine and converting power of the spindle assembly into up-down reciprocating displacement motion of the ball head transmission assembly 5, an extending portion 5012 extending downward is provided on a bottom surface of the ball head installation portion 5011, a connection clamping groove 5013 is provided at a position of the extending portion 5012 at a lower end, a connection thread is provided on an outer circle surface of the extending portion 5012, and the connection thread of the extending portion 5012 is connected with a threaded hole of the pressure-adjusting lock nut 502 in a matching manner; the pressure regulating lock nut 502 comprises a clamping shaft sleeve 5022 and a fixing shaft sleeve 5021, wherein the fixing shaft sleeve 5021 is fixedly connected with a mounting hole of the lifting seat 2 through a bolt; the clamping shaft sleeve 5022 is located above the fixed shaft sleeve 5021, and a part between the clamping shaft sleeve 5022 and the fixed shaft sleeve 5021 is welded and fixed. When the pressure regulating ball seat 501 rotates circumferentially, the pressure regulating ball seat 501 is axially displaced by matching the connecting screw thread of the extension part 5012 with the screw hole of the pressure regulating lock nut 502, and as the position of the fixed die seat 102 in the die cutting machine is fixed, the heights of the die cutting main shaft, the connecting rod component and other devices connected with the fixed die seat 102 are also fixed, when the pressure regulating ball seat 501 displaces axially, the height of the lifting seat 2 is driven to change, so that the limit position of the movable die seat 101 during die cutting action is changed, and the die cutting depth is changed when the movable die seat 101 and the fixed die seat 102 die-cut, thereby causing die cutting pressure change.
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 includes 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 for clamping and fixing the extension 5012 of the pressure regulating ball seat 501 together, and the clamping motor 401 is used for providing clamping driving force for the two clamping plates; the clamping shaft sleeve 5022 is provided with two clamping portions 5023, a gap is formed between the clamping portions 5023, and the first clamping plate 404 and the second clamping plate 405 are respectively fixedly connected with one clamping portion 5023.
The clamping servo mechanism 4 further comprises a motor mounting plate 402 and a screw rod 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 form a frame structure together; 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 further clamping or loosening actions between the clamping shaft sleeve 5022 and the extension part 5012 are achieved.
A first screw support 409 is arranged at the contact position between the first clamping plate 404 and the screw 408, the first screw support 409 keeps the screw 408 and the first clamping plate 404 fixed in the axial direction of the screw 408, and the screw 408 and the first clamping plate 404 freely rotate in the circumferential direction of the screw 408; the side 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 a screw rod 408 through threads. Because the first clamping plate 404 and the screw rod 408 are kept fixed in axial positions, and the second screw support 410 connected with the second clamping plate 405 is in threaded connection with the screw rod 408, when the screw rod 408 rotates, the positions of the screw rod 408 and the first clamping plate 404 are unchanged, the relative positions of the second clamping plate 405 and the screw rod 408 are changed, and then the distance between the clamping parts 5023 on the clamping shaft sleeve 5022 is changed, so that the diameter of the clamping shaft sleeve 5022 is changed, and the pressing force of the clamping shaft 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 the change in the clamping force of the clamping servo 4 on the pressure-regulating ball seat 501 by detecting the change in the distance between the first clamping plate 404 and the second clamping plate 405. The second sensor 7 is further arranged on the upper surface of the lifting seat, the second sensor 7 is located at the side of the pressure regulating ball seat 501, and the second sensor 7 is used for detecting the relative height value of the pressure regulating ball seat 501 and the lifting seat 2.
The pressure regulating mechanism 6 is positioned at the side of the ball head transmission assembly 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 gear 605, a worm gear box 602, a pressure regulating worm 604 and a worm gear transmission shaft 606, wherein the worm gear box 602 is fixedly connected to the lower surface of the lifting seat 2, and two groups of worm support plates 603 are arranged on the outer side surface of the worm gear box 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 inside the worm gear 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 from directly contacting with the inner wall of the worm gear box 602, contact interference is avoided, and the pressure regulating worm wheel 605 stably rotates inside the worm gear box 602; one end of the worm gear transmission shaft 606 is fixedly connected with the axis of the pressure-regulating worm gear 605, the other end is radially provided with a deflector rod 607, the deflector rod 607 is nested into a connecting clamping groove 5013 of the extension part 5012, and the height of the pressure-regulating ball seat 501 can change at any time along with the adjustment of die cutting pressure, so that the worm gear transmission shaft 606 can be maintained through the deflector rod 607 and the connecting clamping groove 5013; the pressure regulating worm 604 is fixed at the side of the worm gear box 602 through two groups of worm support plates 603, and the pressure regulating worm 604 is in meshed connection with a pressure regulating worm gear 605; the pressure regulating motor 601 is also fixed on the lifting seat 2, and the pressure regulating motor 601 is in transmission connection with the pressure regulating worm 604.
In more detail, the pressure regulating worm 604 includes a sprocket mounting portion 6042 and a threaded portion 6041, the threaded portion 6041 is located between two sets of worm support plates 603, and the threaded portion 6041 is engaged with the pressure regulating worm gear 605; the sprocket mounting portion 6042 is located in the middle of the pressure regulating worm 604, and a first sprocket is fixedly mounted on the sprocket mounting portion 6042. The driving force of the voltage regulating motor 601 can be transmitted to the voltage regulating worm 604 through a chain wheel and chain structure by a second chain wheel arranged on the driving shaft of the voltage regulating motor 601, and the rotation speed and direction of the voltage regulating worm gear 605 can be further calculated and controlled because the transmission ratio of the thread part 6041 on the voltage regulating worm 604 to the voltage regulating worm gear 605 is fixed, so that the relative positions of the voltage regulating ball seat 501 and the voltage regulating lock nut 502 are finally regulated through the worm gear driving shaft 606, and the die cutting pressure regulation is realized.
Further, 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, reads height data corresponding to the grating scale in real time to determine die cutting depths of the movable die holder 101 and the fixed die holder 102, can send detection data signals, and uses a die cutting machine to analyze the detection data signals, control the pressure regulating motor 601 and the clamping motor 401 to execute corresponding actions, so that die cutting pressure adjustment is realized.
Based on the above structure, the specific method for performing the mechanical pressure regulating method by the die-cutting machine in this embodiment includes the following steps:
firstly, setting standard spacing between a movable die holder 101 and a fixed die holder 102 under standard die cutting pressure, and determining a spacing reference between the movable die holder 101 and the fixed die holder 102 in the die cutting process so as to facilitate data comparison in the actual detection process;
secondly, detecting the current distance between the movable die holder 101 and the fixed die holder 102 in the running process of the die cutting machine through the grating ruler assembly 8;
the die cutting machine compares the difference value between the current space and the standard space between the movable die holder 101 and the fixed die holder 102;
calculating the movement amount of the extension part 5012 of the pressure regulating ball seat 501 and the pressure regulating lock nut 502 according to the difference between the current interval and the standard interval;
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 lock nut 502;
when the movable die holder 101 and the fixed die holder 102 move back, namely, the distance between the movable die holder 101 and the fixed die holder 102 increases, the clamping shaft sleeve 5022 and the extension part 5012 are loosened by controlling the clamping servo mechanism 4;
according to the pulse signal generated by the voltage regulating mechanism 6, the rotation quantity of the voltage regulating motor 601 is controlled, and the extension part 5012 of the voltage regulating ball seat 501 and the voltage regulating lock nut 502 complete displacement movement corresponding to the movement quantity through the meshing rotation of the voltage regulating worm wheel 605 and the voltage regulating worm 604;
after the extension 5012 of the pressure regulating ball seat 501 and the pressure regulating lock nut 502 are displaced, the clamping servo mechanism 4 drives the clamping shaft sleeve 5022 to clamp the extension 5012 of the pressure regulating ball seat 501, and pressure regulation is completed.
It should be noted that, because the pressure regulating process in the method is in the upward stroke stage of the die cutting movement, namely the movement process of increasing the distance between the movable die holder and the fixed die holder, the lifting seat is lifted by the ball head transmission assembly in the movement stage, so that the lifting seat and each device on the ball head transmission assembly have smaller connecting gap due to gravity, the transmission efficiency is highest, the pressure regulating effect is optimal, and the clamping servo mechanism is used for keeping each part, particularly the position of the lifting seat and the ball head transmission assembly in the transmission process is fixed, so that the transmission efficiency can be further improved, and the control accuracy of the die cutting process is improved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (8)
1. The mechanical pressure regulating mechanism of the die cutting machine is used for regulating the die cutting pressure of a die cutting part of the die cutting machine and is characterized by comprising 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, four corners of the movable die holder are respectively 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 right below the fixed die holder in parallel, the middle part of the lifting seat is provided with a mounting hole, and four corners of the lifting seat are fixedly connected with the end parts of the connecting guide posts;
the ball head transmission assembly comprises a pressure regulating ball head seat and a pressure regulating lock nut, wherein the pressure regulating lock nut is fixedly arranged in a mounting hole of the lifting seat, the pressure regulating ball head seat comprises a ball head mounting part, the ball head mounting part is used for connecting a main shaft assembly of the die-cutting machine and converting the power of the main shaft assembly into up-and-down reciprocating displacement movement of the ball head transmission assembly, the bottom surface of the ball head mounting part is provided with a downward extending extension part, the position of the extension part, which is positioned at the lower end, is provided with a connecting clamping groove, the outer circle surface of the extension part is provided with connecting threads, and the connecting threads of the extension part are in fit connection with a threaded hole of the pressure regulating lock nut;
the clamping servo mechanism is positioned at the side of the ball head transmission assembly and comprises a first clamping plate, a second clamping plate and a clamping motor, wherein the first clamping plate and the second clamping plate are jointly used for clamping and fixing an extension 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 at 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, wherein 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, the other end of the worm gear transmission shaft is radially provided with a deflector rod, and the deflector rod is nested in the connecting clamping groove of the extension part; the pressure regulating worm is positioned at the side of the pressure regulating worm wheel and is meshed with the pressure regulating worm wheel; the pressure regulating motor is also fixed on the lifting seat and is in transmission connection with the pressure regulating worm;
the die-cutting die comprises a die-cutting part, a grating ruler assembly and a grating reading head, wherein the die-cutting part is arranged at the side of the die-cutting part; 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 scale;
the lifting seat upper surface is also provided with a second sensor, the second sensor is positioned at 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.
2. The mechanical pressure regulating mechanism according to claim 1, wherein the pressure regulating lock nut comprises a clamping shaft sleeve and a fixed shaft sleeve, wherein the fixed shaft sleeve is fixedly connected with a mounting hole of the lifting seat through a bolt; the clamping shaft sleeve is positioned above the fixed shaft sleeve, part of the clamping shaft sleeve is welded and fixed with the fixed shaft sleeve, two clamping parts are arranged on the clamping shaft sleeve, a gap is arranged between the clamping parts, and the first clamping plate and the second clamping plate are respectively fixedly connected with one clamping part.
3. The mechanical pressure regulating mechanism according to 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, 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 form a frame structure together; 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 a lead screw, and the other end of the lead screw penetrates through the first clamping plate and extends to the second clamping plate; the first clamping plate is fixedly connected with one clamping part of the clamping shaft sleeve, the second clamping plate is fixedly connected with the other clamping part 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 part are clamped or loosened.
4. A mechanical pressure regulating mechanism according to claim 3, wherein a first screw support is provided at a contact position of the first clamping plate with the screw, the first screw support holding the screw and the first clamping plate in a position fixed in the axial direction of the screw, and the screw and the first clamping plate freely rotating in the circumferential direction of the screw; the side face of the second clamping plate is fixedly connected with a limiting block, a second screw rod support is fixedly installed in the limiting block, and the second screw rod support is connected with a screw rod through threads.
5. A mechanical pressure regulating mechanism as claimed in claim 3, wherein the top surface positions of the first and second clamping plates are provided with a first sensor for detecting the spacing of the first and second clamping plates.
6. The mechanical pressure regulating mechanism according to claim 1, further comprising a worm gear case fixedly connected to the lower surface of the lifting seat; the pressure regulating worm wheel is positioned in the worm gear box body, and bearings are symmetrically arranged on two side surfaces of the pressure regulating worm wheel; the outer side surface of the worm gear box body is provided with two sets of worm support plates, and the pressure regulating worm is fixed on the side of the worm gear box body through the two sets of worm support plates.
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 being located between two sets of worm support plates and the threaded portion engaging a pressure regulating worm gear; the sprocket installation part is located the middle part of pressure regulating worm, fixed mounting has first sprocket on the sprocket installation part.
8. The mechanical pressure regulating method of the die cutting machine is characterized by comprising the following steps of:
setting a standard interval between the movable die holder and the fixed die holder under standard die cutting pressure;
the grating ruler component detects the current distance between the movable die holder and the fixed die holder in the running process of the die cutting machine;
comparing the difference value of the current space between the movable die holder and the fixed die holder with the standard space;
calculating the movement amount of the extension part of the pressure regulating ball seat and the pressure regulating lock nut according to the difference value of the current interval and the standard interval;
generating a pulse signal of the voltage regulating mechanism according to the obtained movement amount of the extension part of the voltage regulating ball seat and the voltage regulating lock nut;
when the movable die holder and the fixed die holder move back, the clamping shaft sleeve and the extension part are loosened through the clamping servo mechanism;
according to the pulse signals generated by the voltage regulating mechanism, the rotation quantity of the voltage regulating motor is controlled, and the extension part of the voltage regulating ball seat and the voltage regulating lock nut complete displacement movement corresponding to the movement quantity through the meshing rotation of the voltage regulating worm wheel and the voltage regulating worm;
when the displacement of the extension part of the pressure regulating ball seat and the pressure regulating lock nut is completed, the clamping servo mechanism drives the clamping shaft sleeve to clamp the extension part of the pressure regulating ball seat, and the pressure regulation is completed.
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| CN114206532B (en) * | 2021-11-18 | 2023-12-26 | 无锡微研股份有限公司 | Structure for adjusting cutting depth of longitudinal cutting upper knife |
| CN115655182B (en) * | 2022-11-14 | 2023-03-10 | 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 |
| 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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