CN112829488A - Processing technology for producing hot stamping EVA - Google Patents
Processing technology for producing hot stamping EVA Download PDFInfo
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- CN112829488A CN112829488A CN202110072136.3A CN202110072136A CN112829488A CN 112829488 A CN112829488 A CN 112829488A CN 202110072136 A CN202110072136 A CN 202110072136A CN 112829488 A CN112829488 A CN 112829488A
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- eva
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
- B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
- B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/22—Metallic printing; Printing with powdered inks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention relates to a processing technology for producing hot stamping EVA, which comprises the following steps: s1: a raw material stirrer; s2: printing an EVA printing stock; s3: drying the EVA printing stock; s4: placing an EVA printing stock on a stamping table of a hot stamping machine; s5: adjusting a limiting device of the thermoprinting machine; s6: placing an electrochemical aluminum foil roller on a discharging wheel of the thermoprinting machine; s7: the hot stamping temperature of the hot stamping machine is adjusted to be 110-; s8: taking down the EVA printing stock after the hot stamping; s9: placing the next EVA printing stock with the same specification on a hot stamping table for hot stamping; s10: and (5) taking down the EVA printing stock after the hot stamping, and repeating the step S9 for multiple times. The invention has the beneficial effects that: the hot stamping positions are the same, the positioning and the use are very convenient, the working efficiency is effectively improved, and the hot stamping effect is better.
Description
Technical Field
The invention relates to the technical field of hot stamping, in particular to a processing technology for producing hot stamping EVA.
Background
Hot stamping refers to the process of transferring a hot stamping material or a hot stamping pattern on an object to be stamped by a hot stamping method on paper, paperboard, fabric, coating and other objects. The essence of hot stamping is transfer printing, which is a process for transferring patterns on the electrochemical aluminum to a printing stock through the action of heat and pressure. When the printing plate is heated to a certain degree along with the attached electric heating plate, the printing plate is imprinted with a printing stock through an electrochemical aluminum film, and the adhesive layer, the metal aluminum layer and the color layer attached to the polyester film are transferred to the printing stock by utilizing the action of temperature and pressure.
Ethylene-vinyl acetate copolymer, abbreviated as EVA. The content of the common Vinyl Acetate (VA) is 5-40%, compared with Polyethylene (PE), the EVA reduces high crystallinity, improves toughness, impact resistance, filler intermiscibility and heat sealing performance due to the introduction of a vinyl acetate monomer in a molecular chain, and is widely applied to the fields of foaming shoe materials, functional greenhouse films, packaging molds, hot melt adhesives, electric wires and cables, toys and the like. EVA plastics and resin features good softness, rubber-like elasticity, good flexibility at-50 deg.C, good transparency and surface gloss, good chemical stability, good strength against ageing and ozone, no toxicity, good mixing with filler, and good coloring and forming processability.
But current EVA stock is when carrying out the thermoprint, to the stock of same specification, all need relocate through artificial mode in the thermoprint at every turn, the calibration, position and angle through continuous adjustment stock, just enable the thermoprint head to be located the thermoprint position directly over, the mode of judging moreover all judges through the naked eye mostly, so the product that each thermoprint came out, the position of thermoprint all differs, thermoprint efficiency is lower, the thermoprint quality is not good.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a processing technology for producing hot stamping EVA so as to solve the problems.
The technical scheme of the invention is realized as follows: a processing technology for producing thermoprint EVA comprises the following steps:
s1: adding the raw materials of the hot stamping glue into a stirrer, and stirring for 30 minutes;
s2: placing an EVA printing stock to be subjected to hot stamping on a screen printing machine, adding a hot stamping glue which is stirred in an ink box of the screen printing machine, and printing a required initial pattern on the EVA printing stock;
s3: placing the printed EVA printing stock in a dryer for drying;
s4: placing the dried EVA printing stock on a stamping table of a hot stamping machine, and moving the position of the EVA printing stock to enable a hot stamping head of the hot stamping machine to be positioned right above the position of the EVA printing stock to be subjected to hot stamping;
s5: adjusting a limiting device of the hot stamping machine to enable the limiting device to abut against the upper edge, the left edge and the right edge of the EVA printing stock;
s6: placing an electrochemical aluminum foil winding roller on a discharging wheel of the thermoprinting machine, connecting the electrochemical aluminum foil with a winding wheel after the electrochemical aluminum foil penetrates through a guide wheel, wherein an included angle alpha formed by the electrochemical aluminum foil and a thermoprinting table is 67-72 degrees;
s7: the hot stamping temperature of the hot stamping machine is adjusted to be 110-;
s8: taking down the EVA printing stock after the hot stamping;
s9: placing the next EVA printing stock with the same specification on a hot stamping table, and enabling the upper edge, the left edge and the right edge of the EVA printing stock to abut against a limiting device for hot stamping;
s10: and (5) taking down the EVA printing stock after the hot stamping, and repeating the step S9 for multiple times.
By adopting the technical scheme, the raw materials of the hot stamping glue are stirred and mixed, then the required initial pattern is printed on the EVA printing stock through the hot stamping offset printing by the screen printing machine, the hot stamping glue is dried more quickly by the drying machine, and the situation that the pattern printed by the hot stamping glue is blurred due to accidental contact with the hot stamping glue in subsequent transportation is prevented; firstly, a first EVA printing stock is placed on a hot stamping table, moving and positioning are carried out, after the positioning is finished, the position of a limiting device is adjusted through a moving device, a square shaft on the limiting device is enabled to be abutted against the upper edge, the left edge and the right edge of the EVA printing stock, the EVA printing stock is kept still, the height of the square shaft protruding out of the hot stamping table is adjusted through a motor, the height of the square shaft protruding out of the hot stamping table is ensured to be smaller than the thickness of the EVA printing stock after being compressed in hot stamping, and a hot stamping head is prevented from being contacted with the square shaft when a hot stamping machine is in hot stamping, so that the hot stamping effect is influenced; then placing the electrochemical aluminum foil to enable the electrochemical aluminum foil to be positioned right above the hot stamping position, adjusting the temperature, time and pressure of hot stamping and then carrying out hot stamping; after hot stamping is finished, taking down the EVA printing stock, then placing the next EVA printing stock on a hot stamping table, enabling the edge of the next EVA printing stock to be in abutting connection with each square shaft, finishing positioning, and then carrying out hot stamping; the hot stamping machine ensures that the hot stamping positions of EVA printing stocks with the same specification are the same when in hot stamping, only the edges of the EVA printing stocks are required to be in abutting connection with the square shafts, the positioning and the use are very convenient, the working efficiency is effectively improved, and the hot stamping effect is better.
The invention is further configured to: the hot stamping machine comprises a base, a rack, a lifting mechanism, a hot stamping head, a hot stamping table and a feeding mechanism, wherein the rack and the hot stamping table are fixed on the base, the hot stamping head is correspondingly arranged above the hot stamping table, the hot stamping head is arranged on the rack through the lifting mechanism, the feeding mechanism is rotatably connected on the rack, the hot stamping table is arranged in a hollow manner, a vertical groove, a first transverse groove and a second transverse groove are arranged on the upper side wall of the hot stamping table in a penetrating manner, the first transverse groove and the second transverse groove are respectively arranged on two sides of the vertical groove and are vertically arranged with the middle of the vertical groove, limiting devices are respectively and slidably connected in the vertical groove, the first transverse groove and the second transverse groove, a vertical moving device, a first transverse moving device and a second transverse moving device are respectively arranged in the hot stamping table corresponding to the vertical groove, the first transverse groove and the second transverse groove, and the first transverse moving device and the second transverse moving device are symmetrically arranged on two sides of the vertical moving device, the vertical moving device, the first transverse moving device and the second transverse moving device are identical in structure.
By adopting the technical scheme, the limiting devices in the vertical grooves limit the upper edge of the EVA printing stock, the limiting devices in the first transverse grooves limit the left edge of the EVA printing stock, the limiting devices in the second transverse grooves limit the right edge of the EVA printing stock, and the limiting devices in the first transverse grooves or the limiting devices in the second transverse grooves can be independently used according to actual use conditions; the limiting device can slide in the vertical groove and the transverse groove through the moving device, and the EVA printing stock is very convenient to position.
The invention is further configured to: the vertical moving device comprises a screw rod, a moving base and a limiting rod, the screw rod is correspondingly arranged below the vertical groove and is parallel to the vertical groove, two limiting rods are arranged on two sides of the screw rod respectively and are parallel to the screw rod, one end of the screw rod is rotatably connected with the inner wall of the hot stamping table, the other end of the screw rod penetrates through the side wall of the hot stamping table and extends out to be connected with a hand wheel, two ends of the limiting rod are fixedly connected with the inner wall of the hot stamping table, the moving base is in threaded connection with the screw rod, and the moving base is in sliding connection with the limiting rod; the bottom of the inner wall of the stamping station is provided with support frames on two sides of the vertical moving device, one ends of the lead screws of the first transverse moving device and the second transverse moving device are rotatably connected with the support frames, and the other ends of the lead screws of the first transverse moving device and the second transverse moving device penetrate through the side wall of the stamping station and stretch out to be connected with hand wheels.
By adopting the technical scheme, the hand wheel is rotated to drive the screw rod to rotate, the movable base is horizontally moved on the screw rod through the rotation of the screw rod, and the limiting rod can ensure that the movable base cannot rotate along with the screw rod when the screw rod rotates and can only move in the horizontal direction; one ends of the first transverse moving device and the second transverse moving device are arranged on two sides of the vertical moving device through the supporting frames, so that the first transverse moving device and the second transverse moving device cannot obstruct the limiting devices in the vertical grooves from moving.
The invention is further configured to: stop device includes shell, threaded rod, swivel nut, toothed disc and motor, swivel nut barrel type sets up the cover and establishes outside the threaded rod, be equipped with on swivel nut's the inner wall with threaded rod outer wall matched with internal thread, swivel nut's outer wall is connected through the inner wall rotation of first bearing with the shell, the one end of toothed disc runs through the shell and stretches out the output shaft with the motor, be equipped with first bevel gear on the other end of toothed disc, be equipped with the second bevel gear who is connected with first bevel gear meshing on swivel nut's the lower extreme, the up end of shell and the side of going up of thermoprinting platform are on same horizontal plane, the shell is fixed on removing the base, be equipped with the control panel who is used for controlling motor operation on the lateral wall of thermoprinting platform.
By adopting the technical scheme, the motor operates to drive the first bevel gear to rotate, the first bevel gear drives the second bevel gear and the rotating nut to rotate, the rotating nut rotates in the shell through the first bearing, and the rotating nut drives the threaded rod to vertically move through the internal thread matched with the outer wall of the threaded rod because the threaded rod can only vertically move but can not rotate in the shell; the effectual precision that has improved the screw rod lift makes the control more convenient to the screw rod lift, thereby controls the operation of motor through control panel and adjusts the height that the threaded rod goes up and down.
The invention is further configured to: the novel screw rod is characterized in that a check block is arranged on the top end of the threaded rod, a square shaft is arranged at the upper end of the check block, the threaded rod, the check block and the square shaft are all arranged coaxially, a square hole for the square shaft to stretch out is formed in the top end of the shell, and the outer diameter of the check block is larger than the inner diameter of the square hole.
Through adopting above-mentioned technical scheme, the dog can effectually prevent that the threaded rod from excessively stretching out, and the cross-section of square shaft is established to square and square hole and cooperatees, can effectually make the threaded rod unable rotate to only can carry out the removal of vertical direction.
The invention is further configured to: the outer wall of the rotating nut is provided with an annular boss close to the second bevel gear, the first bearings are provided with two annular convex blocks protruding out of the inner wall of the shell and arranged at intervals from top to bottom, the first bearings are arranged on the upper side and the lower side of the annular convex blocks respectively, and the first bearings on the lower side of the annular convex blocks are arranged between the annular boss and the annular convex blocks.
Through adopting above-mentioned technical scheme, annular lug can be effectual separate two first bearings and make the inner wall connection of first bearing and shell fixed, and annular boss can be effectual rotate swivel nut through first bearing and be connected in the shell, can not take place to remove, makes its ability effectual drive threaded rod carry out the removal of vertical direction.
The invention is further configured to: the outer wall of the rotating nut is in threaded connection with a compression nut, the compression nut is pressed against the first bearing inner ring above the annular convex block, and the two compression nuts are arranged up and down.
Through adopting above-mentioned technical scheme, gland nut can effectually prevent that swivel nut from producing not hard up in long-time rotation, makes the lifting accuracy of threaded rod reduce, and two further improvement of gland nut are locking effect.
The invention is further configured to: all be equipped with the gyro wheel on the outer wall both sides of shell, all be equipped with the spacing groove corresponding with the gyro wheel on the inner wall both sides of erecting groove, first transverse groove and second transverse groove, the tank bottom roll connection of gyro wheel and spacing groove.
Through adopting above-mentioned technical scheme, make stop device when removing, the gyro wheel on the shell both sides rolls at the spacing inslot, supports stop device, the effectual stability that improves stop device when removing.
The invention is further configured to: and second bearings are arranged at the joints of the screw rods of the first transverse moving device and the second transverse moving device, the support frame and the hot stamping station.
Through adopting above-mentioned technical scheme, make the lead screw rotate more light through the second bearing when the pivoted, reduced the resistance.
The invention is further configured to: feeding mechanism includes ejection of compact wheel, rolling wheel and leading wheel, ejection of compact wheel, rolling wheel are established respectively in the both sides top of scalding printer head, ejection of compact wheel, rolling wheel rotate to be connected in the frame, the leading wheel is equipped with two and parallel arrangement, the top at the thermoprinting platform is established to the leading wheel.
Through adopting above-mentioned technical scheme, the leading wheel can effectually lead the electrochemical aluminium foil on the discharging wheel, makes its and the side of going up of thermoprinting platform keep the parallel state, makes the effect of thermoprint better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a top view of a structure of an EVA printing material placed on a stamp pad in an embodiment of the present invention.
FIG. 3 is a top view of a configuration of a stamping station in accordance with an embodiment of the present invention.
FIG. 4 is a structural cross-sectional view of X-X in an embodiment of the present invention.
FIG. 5 is a schematic diagram of A according to an embodiment of the present invention.
FIG. 6 is a schematic structural diagram of B in the embodiment of the present invention.
FIG. 7 is a flow chart of a processing procedure according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-7, the invention discloses a processing technology for producing hot stamping EVA, comprising the following steps:
s1: adding the raw materials of the hot stamping glue into a stirrer, and stirring for 30 minutes;
s2: placing an EVA printing stock to be subjected to hot stamping on a screen printing machine, adding a hot stamping glue which is stirred in an ink box of the screen printing machine, and printing a required initial pattern on the EVA printing stock;
s3: placing the printed EVA printing stock in a dryer for drying;
s4: placing the dried EVA printing stock on a stamping table of a hot stamping machine, and moving the position of the EVA printing stock to enable a hot stamping head of the hot stamping machine to be positioned right above the position of the EVA printing stock to be subjected to hot stamping;
s5: adjusting a limiting device of the hot stamping machine to enable the limiting device to abut against the upper edge, the left edge and the right edge of the EVA printing stock;
s6: placing an electrochemical aluminum foil winding roller on a discharging wheel of the thermoprinting machine, connecting the electrochemical aluminum foil with a winding wheel after the electrochemical aluminum foil penetrates through a guide wheel, wherein an included angle alpha formed by the electrochemical aluminum foil and a thermoprinting table is 67-72 degrees;
s7: the hot stamping temperature of the hot stamping machine is adjusted to be 110-;
s8: taking down the EVA printing stock after the hot stamping;
s9: placing the next EVA printing stock with the same specification on a hot stamping table, and enabling the upper edge, the left edge and the right edge of the EVA printing stock to abut against a limiting device for hot stamping;
s10: and (5) taking down the EVA printing stock after the hot stamping, and repeating the step S9 for multiple times.
By adopting the technical scheme, the raw materials of the hot stamping glue are stirred and mixed, then the required initial pattern is printed on the EVA printing stock through the hot stamping offset printing by the screen printing machine, the hot stamping glue is dried more quickly by the drying machine, and the situation that the pattern printed by the hot stamping glue is blurred due to accidental contact with the hot stamping glue in subsequent transportation is prevented; firstly, a first EVA printing stock is placed on a hot stamping table, moving and positioning are carried out, after the positioning is finished, the position of a limiting device is adjusted through a moving device, a square shaft on the limiting device is enabled to be abutted against the upper edge, the left edge and the right edge of the EVA printing stock, the EVA printing stock is kept still, the height of the square shaft protruding out of the hot stamping table is adjusted through a motor, the height of the square shaft protruding out of the hot stamping table is ensured to be smaller than the thickness of the EVA printing stock after being compressed in hot stamping, and a hot stamping head is prevented from being contacted with the square shaft when a hot stamping machine is in hot stamping, so that the hot stamping effect is influenced; then placing the electrochemical aluminum foil to enable the electrochemical aluminum foil to be positioned right above the hot stamping position, adjusting the temperature, time and pressure of hot stamping and then carrying out hot stamping; after hot stamping is finished, taking down the EVA printing stock, then placing the next EVA printing stock on a hot stamping table, enabling the edge of the next EVA printing stock to be in abutting connection with each square shaft, finishing positioning, and then carrying out hot stamping; the hot stamping machine ensures that the hot stamping positions of EVA printing stocks with the same specification are the same when in hot stamping, only the edges of the EVA printing stocks are required to be in abutting connection with the square shafts, the positioning and the use are very convenient, the working efficiency is effectively improved, and the hot stamping effect is better.
In the embodiment of the invention, the hot stamping machine comprises a base 1, a frame 2, a lifting mechanism 3, a hot stamping head 4, a hot stamping table 5 and a feeding mechanism, wherein the frame 2 and the hot stamping table 5 are both fixed on the base 1, the hot stamping head 4 is correspondingly arranged above the hot stamping table 5, the hot stamping head 4 is arranged on the frame 2 through the lifting mechanism 3, the feeding mechanism is rotatably connected on the frame 2, the hot stamping table 5 is hollow, a vertical groove 50, a first transverse groove 51 and a second transverse groove 52 are arranged on the upper side wall of the hot stamping table 5 in a penetrating manner, the first transverse groove 51 and the second transverse groove 52 are respectively arranged on two sides of the vertical groove 50 and are vertically arranged with the middle of the vertical groove 50, limiting devices 53 are respectively and slidably connected in the vertical groove 50, the first transverse groove 51 and the second transverse groove 52, and vertical moving devices 54 for driving the limiting devices 53 to move are respectively arranged in the hot stamping table 5 correspondingly, The device comprises a first transverse moving device 55 and a second transverse moving device 56, wherein the first transverse moving device 55 and the second transverse moving device 56 are symmetrically arranged on two sides of a vertical moving device 54, and the vertical moving device 54, the first transverse moving device 55 and the second transverse moving device 56 are identical in structure.
By adopting the technical scheme, the limiting devices in the vertical grooves limit the upper edge of the EVA printing stock, the limiting devices in the first transverse grooves limit the left edge of the EVA printing stock, the limiting devices in the second transverse grooves limit the right edge of the EVA printing stock, and the limiting devices in the first transverse grooves or the limiting devices in the second transverse grooves can be independently used according to actual use conditions; the limiting device can slide in the vertical groove and the transverse groove through the moving device, and the EVA printing stock is very convenient to position.
In the embodiment of the present invention, the vertical moving device 54 includes a screw rod 540, a moving base 541 and a limiting rod 542, the screw rod 540 is correspondingly disposed below the vertical groove 50 and is parallel to the vertical groove 50, two limiting rods 542 are disposed and respectively disposed on two sides of the screw rod 540 and are parallel to the screw rod 540, one end of the screw rod 540 is rotatably connected with the inner wall of the hot stamping table 5, the other end of the screw rod 540 penetrates through the side wall of the hot stamping table 5 and is connected with a hand wheel 57 in an extending manner, two ends of the limiting rod 542 are fixedly connected with the inner wall of the hot stamping table 5, the moving base 541 is in threaded connection with the screw rod 540, and the moving base 541 is in sliding connection with the limiting rod 542; the bottom end of the inner wall of the stamping station 5 is provided with support frames 58 on two sides of the vertical moving device 54, one ends of screw rods 540 of the first transverse moving device 55 and the second transverse moving device 56 are rotatably connected with the support frames 58, and the other ends of the screw rods 540 of the first transverse moving device 55 and the second transverse moving device 56 penetrate through the side wall of the stamping station 5 and extend out to be connected with hand wheels 57.
By adopting the technical scheme, the hand wheel is rotated to drive the screw rod to rotate, the movable base is horizontally moved on the screw rod through the rotation of the screw rod, and the limiting rod can ensure that the movable base cannot rotate along with the screw rod when the screw rod rotates and can only move in the horizontal direction; one ends of the first transverse moving device and the second transverse moving device are arranged on two sides of the vertical moving device through the supporting frames, so that the first transverse moving device and the second transverse moving device cannot obstruct the limiting devices in the vertical grooves from moving.
In the embodiment of the present invention, the limiting device 53 includes a housing 530, a threaded rod 531, a rotating nut 532, a gear plate 533 and a motor 534, the rotary nut 532 is sleeved outside the threaded rod 531 in a cylindrical manner, the inner wall of the rotary nut 532 is provided with internal threads matched with the outer wall of the threaded rod 531, the outer wall of the swivel nut 532 is rotatably coupled to the inner wall of the housing 530 by a first bearing 535, one end of the gear disk 533 extends through the housing 530 and is connected to the output shaft of the motor 534, a first bevel gear 5330 is arranged at the other end of the gear disc 533, a second bevel gear 5320 engaged with the first bevel gear 5330 is arranged at the lower end of the rotary nut 532, the upper end surface of the shell 530 is on the same horizontal plane with the upper side surface of the hot stamping table 5, the shell 530 is fixed on the movable base 541, and a control panel 61 for controlling the operation of the motor 534 is arranged on the outer side wall of the stamping station 5.
By adopting the technical scheme, the motor operates to drive the first bevel gear to rotate, the first bevel gear drives the second bevel gear and the rotating nut to rotate, the rotating nut rotates in the shell through the first bearing, and the rotating nut drives the threaded rod to vertically move through the internal thread matched with the outer wall of the threaded rod because the threaded rod can only vertically move but can not rotate in the shell; the effectual precision that has improved the screw rod lift makes the control more convenient to the screw rod lift, thereby controls the operation of motor through control panel and adjusts the height that the threaded rod goes up and down.
In the embodiment of the present invention, a stopper 5310 is disposed on a top end of the threaded rod 531, a square shaft 5311 is disposed on an upper end of the stopper 5310, the threaded rod 531, the stopper 5310 and the square shaft 5311 are all coaxially disposed, a square hole 5300 for extending the square shaft 5311 is disposed on a top end of the housing 530, and an outer diameter of the stopper 5310 is greater than an inner diameter of the square hole 5300.
Through adopting above-mentioned technical scheme, the dog can effectually prevent that the threaded rod from excessively stretching out, and the cross-section of square shaft is established to square and square hole and cooperatees, can effectually make the threaded rod unable rotate to only can carry out the removal of vertical direction.
In the embodiment of the present invention, an annular boss 5321 is disposed on an outer wall of the rotating nut 532 near the second bevel gear 5320, two first bearings 535 are disposed at an interval from top to bottom, an annular protrusion 5301 is protruded on an inner wall of the housing 530, the two first bearings 535 are disposed on an upper side and a lower side of the annular protrusion 5301, respectively, and the first bearing 535 on the lower side of the annular protrusion 5301 is disposed between the annular boss 5321 and the annular protrusion 5301.
Through adopting above-mentioned technical scheme, annular lug can be effectual separate two first bearings and make the inner wall connection of first bearing and shell fixed, and annular boss can be effectual rotate swivel nut through first bearing and be connected in the shell, can not take place to remove, makes its ability effectual drive threaded rod carry out the removal of vertical direction.
In the embodiment of the present invention, the outer wall of the rotating nut 532 is threadedly connected with a gland nut 538, the gland nut 538 abuts against the inner ring of the first bearing 535 above the annular protrusion 5301, and two gland nuts 538 are provided and are arranged up and down.
Through adopting above-mentioned technical scheme, gland nut can effectually prevent that swivel nut from producing not hard up in long-time rotation, makes the lifting accuracy of threaded rod reduce, and two further improvement of gland nut are locking effect.
In the embodiment of the present invention, rollers 536 are disposed on both sides of the outer wall of the housing 530, the limiting grooves 59 corresponding to the rollers 536 are disposed on both sides of the inner walls of the vertical groove 50, the first transverse groove 51 and the second transverse groove 52, and the rollers 536 are in rolling connection with the groove bottoms of the limiting grooves 59.
Through adopting above-mentioned technical scheme, make stop device when removing, the gyro wheel on the shell both sides rolls at the spacing inslot, supports stop device, the effectual stability that improves stop device when removing.
In the embodiment of the present invention, the second bearings 60 are disposed at the joints of the lead screws 540 of the first and second lateral moving devices 55 and 56, the supporting frame 58 and the stamping station 5.
Through adopting above-mentioned technical scheme, make the lead screw rotate more light through the second bearing when the pivoted, reduced the resistance.
In the embodiment of the invention, the feeding mechanism comprises a discharging wheel 6, a winding wheel 7 and a guide wheel 8, the discharging wheel 6 and the winding wheel 7 are respectively arranged above two sides of the hot stamping head 4, the discharging wheel 6 and the winding wheel 7 are rotatably connected to the rack 2, the guide wheels 8 are arranged in parallel, and the guide wheels 8 are arranged above the hot stamping table 5.
Through adopting above-mentioned technical scheme, the leading wheel can effectually lead the electrochemical aluminium foil on the discharging wheel, makes its and the side of going up of thermoprinting platform keep the parallel state, makes the effect of thermoprint better.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The processing technology for producing the hot stamping EVA is characterized by comprising the following steps of: the method comprises the following steps:
s1: adding the raw materials of the hot stamping glue into a stirrer, and stirring for 30 minutes;
s2: placing an EVA printing stock to be subjected to hot stamping on a screen printing machine, adding a hot stamping glue which is stirred in an ink box of the screen printing machine, and printing a required initial pattern on the EVA printing stock;
s3: placing the printed EVA printing stock in a dryer for drying;
s4: placing the dried EVA printing stock on a stamping table of a hot stamping machine, and moving the position of the EVA printing stock to enable a hot stamping head of the hot stamping machine to be positioned right above the position of the EVA printing stock to be subjected to hot stamping;
s5: adjusting a limiting device of the hot stamping machine to enable the limiting device to abut against the upper edge, the left edge and the right edge of the EVA printing stock;
s6: placing an electrochemical aluminum foil winding roller on a discharging wheel of the thermoprinting machine, connecting the electrochemical aluminum foil with a winding wheel after the electrochemical aluminum foil penetrates through a guide wheel, wherein an included angle alpha formed by the electrochemical aluminum foil and a thermoprinting table is 67-72 degrees;
s7: the hot stamping temperature of the hot stamping machine is adjusted to be 110-;
s8: taking down the EVA printing stock after the hot stamping;
s9: placing the next EVA printing stock with the same specification on a hot stamping table, and enabling the upper edge, the left edge and the right edge of the EVA printing stock to abut against a limiting device for hot stamping;
s10: and (5) taking down the EVA printing stock after the hot stamping, and repeating the step S9 for multiple times.
2. The processing technology for producing hot stamping EVA according to claim 1, wherein the processing technology comprises the following steps: the hot stamping machine comprises a base (1), a rack (2), a lifting mechanism (3), a hot stamping head (4), a hot stamping table (5) and a feeding mechanism, wherein the rack (2) and the hot stamping table (5) are fixed on the base (1), the hot stamping head (4) is correspondingly arranged above the hot stamping table (5), the hot stamping head (4) is arranged on the rack (2) through the lifting mechanism (3), the feeding mechanism is rotationally connected on the rack (2), the hot stamping table (5) is hollow, a vertical groove (50), a first transverse groove (51) and a second transverse groove (52) are arranged on the upper side wall of the hot stamping table (5) in a penetrating manner, the first transverse groove (51) and the second transverse groove (52) are respectively arranged on two sides of the vertical groove (50) and are vertically arranged with the middle of the vertical groove (50), and limiting devices (53) are connected in the vertical groove (50), the first transverse groove (51) and the second transverse groove (52) in a sliding manner, the stamping table is characterized in that a vertical moving device (54), a first transverse moving device (55) and a second transverse moving device (56) which are used for driving a limiting device (53) to move are respectively arranged in the stamping table (5) correspondingly to the vertical groove (50), the first transverse groove (51) and the second transverse groove (52), the first transverse moving device (55) and the second transverse moving device (56) are symmetrically arranged on two sides of the vertical moving device (54), and the vertical moving device (54), the first transverse moving device (55) and the second transverse moving device (56) are identical in structure.
3. The processing technology for producing hot stamping EVA according to claim 2, characterized in that: the vertical moving device (54) comprises a screw rod (540), a moving base (541) and a limiting rod (542), wherein the screw rod (540) is correspondingly arranged below the vertical groove (50) and is parallel to the vertical groove (50), two limiting rods (542) are arranged and are respectively arranged on two sides of the screw rod (540) and are parallel to the screw rod (540), one end of the screw rod (540) is rotatably connected with the inner wall of the hot stamping table (5), the other end of the screw rod (540) penetrates through the side wall of the hot stamping table (5) to stretch out and be connected with a hand wheel (57), two ends of the limiting rod (542) are fixedly connected with the inner wall of the hot stamping table (5), the moving base (541) is in threaded connection with the screw rod (540), and the moving base (541) is in sliding connection with the limiting rod (542); all be equipped with support frame (58) on the bottom of thermoprinting platform (5) inner wall on the both sides of vertical mobile device (54), lead screw (540) one end and support frame (58) of first lateral shifting device (55) and second lateral shifting device (56) are rotated and are connected, lead screw (540) the other end of first lateral shifting device (55) and second lateral shifting device (56) runs through the lateral wall of thermoprinting platform (5) and stretches out to be connected with hand wheel (57).
4. The processing technology for producing hot stamping EVA according to claim 3, wherein the processing technology comprises the following steps: the limiting device (53) comprises a shell (530), a threaded rod (531), a rotating nut (532), a gear disc (533) and a motor (534), wherein the cylindrical rotating nut (532) is sleeved outside the threaded rod (531), an internal thread matched with the outer wall of the threaded rod (531) is arranged on the inner wall of the rotating nut (532), the outer wall of the rotating nut (532) is rotatably connected with the inner wall of the shell (530) through a first bearing (535), one end of the gear disc (533) penetrates through the shell (530) to extend out to be connected with an output shaft of the motor (534), a first bevel gear (5330) is arranged at the other end of the gear disc (533), a second bevel gear (5320) in meshed connection with the first bevel gear (5330) is arranged at the lower end of the rotating nut (532), the upper end face of the shell (530) and the upper side face of the hot stamping table (5) are on the same horizontal plane, the shell (530) is fixed on the movable base (541), and a control panel (61) used for controlling the operation of the motor (534) is arranged on the outer side wall of the stamping station (5).
5. The processing technology for producing hot stamping EVA according to claim 4, wherein the processing technology comprises the following steps: be equipped with dog (5310) on the top of threaded rod (531), the upper end of dog (5310) is equipped with square shaft (5311), threaded rod (531), dog (5310) and square shaft (5311) all set up with the axle center, be equipped with square hole (5300) that supply square shaft (5311) to stretch out on the top of shell (530), the external diameter of dog (5310) is greater than the internal diameter setting of square hole (5300).
6. The processing technology for producing hot stamping EVA according to claim 4, wherein the processing technology comprises the following steps: be equipped with annular boss (5321) near second bevel gear (5320) department on the outer wall of swivel nut (532), first bearing (535) are equipped with two and upper and lower interval setting, the protrusion is equipped with annular lug (5301) on the inner wall of shell (530), two first bearing (535) are established respectively in the upside and the downside of annular lug (5301), first bearing (535) of annular lug (5301) downside is established between annular boss (5321) and annular lug (5301).
7. The processing technology for producing hot stamping EVA according to claim 6, wherein the processing technology comprises the following steps: the outer wall of the rotating nut (532) is in threaded connection with a compression nut (538), the compression nut (538) abuts against an inner ring of the first bearing (535) above the annular convex block (5301), and the two compression nuts (538) are arranged up and down.
8. The processing technology for producing hot stamping EVA according to claim 3, wherein the processing technology comprises the following steps: all be equipped with gyro wheel (536) on the outer wall both sides of shell (530), all be equipped with spacing groove (59) corresponding with gyro wheel (536) on the inner wall both sides of erecting groove (50), first transverse groove (51) and second transverse groove (52), the tank bottom roll connection of gyro wheel (536) and spacing groove (59).
9. The processing technology for producing hot stamping EVA according to claim 3, wherein the processing technology comprises the following steps: and second bearings (60) are arranged at the joints of the screw rods (540) of the first transverse moving device (55) and the second transverse moving device (56), the support frame (58) and the stamping station (5).
10. The processing technology for producing hot stamping EVA according to claim 2, characterized in that: feeding mechanism includes material discharging wheel (6), rolling wheel (7) and leading wheel (8), establish respectively in the both sides top of scalding printer head (4) material discharging wheel (6), rolling wheel (7), material discharging wheel (6), rolling wheel (7) rotate to be connected in frame (2), leading wheel (8) are equipped with two and parallel arrangement, the top at boiling hot ink pad (5) is established in leading wheel (8).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204037071U (en) * | 2014-09-10 | 2014-12-24 | 马鞍山甬兴模塑有限公司 | A kind of automation thermoprint tool of stable performance |
| CN210940939U (en) * | 2019-09-05 | 2020-07-07 | 北京卓诚恒信彩色印刷有限公司 | Gilding press |
| CN211918066U (en) * | 2020-03-19 | 2020-11-13 | 江苏良玉激光新材料有限公司 | Stamping device for seamless laser alumite stamping film |
| CN112158015A (en) * | 2020-09-29 | 2021-01-01 | 增和包装股份有限公司 | High-precision plateless three-dimensional hot stamping process |
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- 2021-01-20 CN CN202110072136.3A patent/CN112829488B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204037071U (en) * | 2014-09-10 | 2014-12-24 | 马鞍山甬兴模塑有限公司 | A kind of automation thermoprint tool of stable performance |
| CN210940939U (en) * | 2019-09-05 | 2020-07-07 | 北京卓诚恒信彩色印刷有限公司 | Gilding press |
| CN211918066U (en) * | 2020-03-19 | 2020-11-13 | 江苏良玉激光新材料有限公司 | Stamping device for seamless laser alumite stamping film |
| CN112158015A (en) * | 2020-09-29 | 2021-01-01 | 增和包装股份有限公司 | High-precision plateless three-dimensional hot stamping process |
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