A hot pressing blister forming device

Abstract

The invention discloses a hot-pressing blister forming device, comprising: a circulating heating component, which comprises a circulating heating support, a circulating heating power component, a heating circulation component and a negative pressure adsorption stabilizing component, the circulating heating power component drives a plurality of connected heating circulation components to rotate on the circulating heating support, and the negative pressure adsorption stabilizing component adsorbs a plastic sheet on the heating circulation component on the circulating heating power component to be heated and softened; a circulating blister forming component, which comprises a blister forming support, a blister forming power component, a forming blister component, a negative pressure blister forming component and a forming liquid cooling component, the blister forming power component drives a plurality of connected forming blister components to rotate on the blister forming support, and the negative pressure blister forming component applies negative pressure to the forming blister component on the blister forming power component to perform blister forming on the softened plastic sheet. The invention has reasonable structural design, high automation, can continuously perform hot-pressing blister forming on plastic sheets, and significantly improves the efficiency of hydraulic blister forming.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum forming, and more particularly to a hot-pressing vacuum forming device. Background Art

[0002] Blister packaging machine is a machine that can suck heated and plasticized thermoplastic plastic coils such as PVC, PE, etc. into various shapes of high-end packaging decoration boxes, frames and other products. Blister forming is also called thermoplastic forming. It mainly uses the vacuum suction force generated by a vacuum pump to heat and soften PVC, PET, PETG, APTT, PP, PE, PS, etc. It is divided into daily necessities blister packaging, small hardware blister packaging, automotive supplies blister packaging, etc.

[0003] The hot pressing mechanism in the current hot pressing blister device can only use intermittent blister molding during the hot pressing molding of plastic sheets, that is, during each blister molding process, the plastic sheet needs to stop feeding, the heater heats and softens the plastic sheet, and then the plastic sheet is blister molded into the desired shape, and finally after the blister mold is opened, the still soft plastic sheet needs to be cooled and hardened before the plastic sheet can continue to be fed and pulled. This makes the hot pressing molding production efficiency very low, and it is difficult to achieve large-scale rapid production. Summary of the invention

[0004] In order to overcome the above-mentioned defects, the present invention provides a hot-pressing plastic forming device, which specifically adopts the following technical solutions:

[0005] A hot-pressing blister forming device, comprising:

[0006] A circulation heating component, comprising a circulation heating support, a circulation heating power component, a heating circulation component and a negative pressure adsorption stabilizing component, wherein the circulation heating power component drives a plurality of the connected heating circulation components to rotate on the circulation heating support, and the negative pressure adsorption stabilizing component adsorbs the plastic sheet on the heating circulation component on the circulation heating power component to be heated and softened;

[0007] A circulating blister forming part is arranged corresponding to the circulating heating part, and includes a blister forming support part, a blister forming power part, a forming blister part, a negative pressure blister forming part and a forming liquid cooling part. The blister forming power part drives the multiple connected forming blister parts to rotate on the blister forming support part, and the negative pressure blister forming part applies negative pressure to the forming blister parts on the blister forming power part to perform blister forming on the softened plastic sheet, and the forming liquid cooling part liquid-cools the forming blister parts on the blister forming power part to accelerate the cooling and hardening of the plastic sheet after blister forming.

[0008] Preferably, the circulation heating support member includes a circulation heating support seat, a circulation heating support leg and a circulation guide slide rail, the circulation heating support seat is horizontally arranged on the ground through the circulation heating support leg arranged thereon, and the circulation guide slide rail is arranged on the circulation heating support seat; the circulation heating power member includes an active circulation transmission disk, a first active shaft, a first motor, a first worm, a first worm wheel, a driven circulation transmission disk, a first driven shaft and a first transmission chain, one end of the first active shaft vertically passes through one end of the circulation heating support seat, the active circulation transmission disk is arranged on one end of the first active shaft, the first motor is arranged on one end of the circulation heating support seat, the first worm is arranged on the first motor, the first worm wheel is sleeved on the other end of the first active shaft, and the first worm wheel is meshed with the first worm; one end of the first driven shaft passes through the other end of the circulation heating support seat, the driven circulation transmission disk is arranged on one end of the first driven shaft, and the first transmission chain is simultaneously sleeved on the active circulation transmission disk and the driven circulation transmission disk.

[0009] Preferably, the heating circulation component includes a heating sliding seat and a heating box, a guide pulley is arranged on the bottom surface of the heating sliding seat, the heating sliding seat is horizontally arranged on the circulation guide slide rail, and the guide pulley is buckled on the inner and outer side surfaces of the circulation guide slide rail; a first connecting block is arranged on the heating sliding seat, and the free end of the first connecting block is connected to the first transmission chain; the heating box is arranged on the top surface of the heating sliding seat, an aluminum foil plate is arranged on the inner wall of the heating box groove, and an electric heating wire is arranged in the heating box; a plurality of the heating circulation components are evenly spaced on the circulation guide slide rail.

[0010] Preferably, the negative pressure adsorption stabilization component includes a negative pressure main pipe, a negative pressure branch pipe and a negative pressure hose, one end of the negative pressure main pipe passes through the first driven shaft and then passes through the driven circulating transmission disk, the other end of the negative pressure main pipe is provided with a first rotating joint on the rotating sealing sleeve, and the other end of the first rotating joint is connected with the first negative pressure pump through the first negative pressure transmission pipe; one end of the negative pressure branch pipe is connected with the side wall of one end of the negative pressure main pipe, and the other end of the negative pressure branch pipe is connected with a first quick-connect male head; the first quick-connect male head can be correspondingly inserted into the first quick-connect female head on the first connecting block during the rotation of the driven circulating transmission disk; a plurality of negative pressure branch pipes are evenly distributed around the driven circulating transmission disk.

[0011] Preferably, a first one-way valve is arranged in the first quick-connect female connector, and the first one-way valve includes a valve core, a return spring, a magnetic coil and a transmission rod. The valve core and the return spring are both embedded in a tube at one end of the first quick-connect female connector, and the return spring pushes one end of the valve core to seal the first quick-connect female connector; the magnetic coil is embedded in the tube at the other end of the first quick-connect female connector, one end of the transmission rod is arranged on the other end of the valve core, and the other end of the transmission rod is inserted into the magnetic coil.

[0012] Preferably, the first quick-connect female connector is through-connected with the first blind hole in the first connecting block, the first blind hole is through-connected with the second blind hole in the first connecting block, one end of the second blind hole is through-connected with the side wall of the negative pressure hose, the other end of the second blind hole is through-connected with the circumferential surrounding hole on the thick wall of the heating box, a first air suction hole is provided on the thick wall of the heating box, one end of the first air suction hole is through-connected with the circumferential surrounding hole, the other end of the first air suction hole is through-connected with the thick wall surface of the notch of the heating box; a plurality of the first air suction holes are evenly distributed around the circumference of the thick wall of the heating box; the negative pressure hose is fixedly laid on the first transmission chain, and the negative pressure hose is simultaneously through-connected with one end of the second blind holes on a plurality of the first connecting blocks; a second one-way valve is provided on the other end of the second blind hole, and the second one-way valve has the same structure as the first one-way valve.

[0013] Preferably, the blister forming support member includes a blister forming support seat, a blister forming support leg and a blister forming guide rail. The blister forming support seat is arranged on the ground behind the heating circulation member through the blister forming support leg connected thereto. The cross-section of the blister forming guide rail is in the shape of a T-shaped hanging rail. The blister forming guide rail is arranged along the blister forming support seat. The blister forming power member includes a second driving shaft, an active blister forming transmission disc, a second motor, a second worm, a second worm gear, a driven blister forming transmission disc, a second driven shaft and a second transmission chain. One end of the second driving shaft passes through the second active fixed The fixed plate, the active blister transmission disc is arranged on one end of the second active shaft; the second motor is arranged on one end of the blister support seat, the second worm is arranged on the rotating shaft of the second motor, the second worm wheel is sleeved on the other end of the second active shaft, and the second worm wheel is meshed with the second worm; one end of the second driven shaft passes through the other end of the blister support seat, the driven blister transmission disc is rotatably sleeved on the other end of the second driven shaft, and the second transmission chain is simultaneously fitted on the active blister transmission disc and the driven blister transmission disc.

[0014] Preferably, the molded blister component includes a blister sliding seat, a blister telescopic rod and a blister mold; a load-bearing pulley is arranged on the groove of the blister sliding seat; the blister sliding seat is suspended on the blister guide slide rail through the load-bearing pulley; a second connecting block is arranged on the side wall of the blister sliding seat; the free end of the second connecting block is connected to the second transmission chain; the bottom end of the blister telescopic rod is arranged on the bottom of the blister sliding seat groove, and the blister mold is arranged on the top of the blister telescopic rod; a plurality of the molded blister components are distributed at equal intervals on the blister guide slide rail.

[0015] Preferably, the negative pressure blister forming part includes a second rotating joint, a blister branch pipe and a blister hose, one end of the second rotating joint is rotatably sleeved on the other end of the second active shaft, the blister branch pipe is arranged on the active blister transmission disk, and one end of the blister branch pipe is connected with the side wall of one end of the second active shaft, the other end of the blister branch pipe is provided with a second quick-connect male head, a plurality of blister branches are evenly distributed around the circumference of the second active shaft, the second quick-connect male head can be correspondingly inserted into the second quick-connect female head on the second connection block during the rotation of the active blister transmission disk, and the second quick-connect female head is provided with a third One-way valve, the third one-way valve has the same structure as the first one-way valve; the second quick-connect female connector is connected to one end of the third blind hole in the second connection block, the third blind hole is connected to the fourth blind hole in the second connection block, one end of the fourth blind hole is connected to the side wall of the blister hose, and the other end of the fourth blind hole is connected to the blister hole on the blister mold; a fourth one-way valve is arranged on one end of the fourth blind hole, and the fourth one-way valve has the same structure as the first one-way valve; the blister hose is laid on the second transmission chain along a ring, and the blister hose is connected to one end of the fourth blind holes of the plurality of molded blister parts.

[0016] Preferably, the molded liquid cooling part includes a cooling infusion part and a cooling drainage part, the cooling infusion part is arranged on the driven blister transmission disk, and the cooling drainage part is arranged on the active blister transmission disk; the cooling infusion part includes an infusion main tube, an infusion connector, an infusion branch tube and an infusion relay hose, one end of the infusion main tube passes through the second driven shaft, one end of the infusion connector is rotationally sealed and sleeved on the other end of the infusion main tube, and the other end of the infusion connector is connected to the infusion pump through the infusion hose; one end of the infusion branch tube is arranged on the infusion main tube through one end On the side wall of the end, the other end of the infusion branch pipe is provided with a third quick-connect male head, and the third quick-connect male head can be correspondingly inserted into the third quick-connect female head on the second connection block during the rotation of the driven blister transmission disk, and the third quick-connect female head is provided with a fifth one-way valve; the third quick-connect female head is connected with one end of the fifth blind hole on the second connection block, the bottom end of the fifth blind hole is connected with the sixth blind hole, one end of the sixth blind hole is connected with the side wall of the infusion relay hose, and the other end of the sixth blind hole is connected with one end of the circumferential cooling pipe on the blister mold The sixth blind hole is provided with a solenoid valve, the infusion relay hose is laid in a ring shape on the second transmission chain, and the infusion relay hose is simultaneously connected to one end of the sixth blind holes on multiple second connection blocks; the cooling drainage part includes a drainage main pipe, a drainage connector, a drainage branch pipe and a drainage relay hose, one end of the drainage main pipe is connected to the bottom surface of the active blister transmission disk, one end of the drainage connector is rotatably sealed and connected to the free end of the drainage main pipe, one end of the drainage branch pipe is connected to one end of the drainage main pipe, and the drainage branch pipe is also A fourth quick-connect male connector is provided at one end, and the fourth quick-connect male connector can be correspondingly inserted into the fourth quick-connect female connector on the second connecting block during the rotation of the active blister transmission disk; a plurality of drainage branch pipes are evenly distributed around the drainage main pipe; the fourth quick-connect female connector is connected to one end of the seventh blind hole on the second connecting block, the other end of the seventh blind hole is connected to the eighth blind hole on the second connecting block, one end of the eighth blind hole is connected to the side wall of the drainage relay hose, and the other end of the eighth blind hole is connected to the other end of the circumferential cooling pipe.

[0017] The present invention has at least the following beneficial effects:

[0018] 1) The hot-pressing blister forming device of the present invention has a reasonable structural design, a high degree of automation, can continuously perform hot-pressing blister forming on plastic sheets, and significantly improves the efficiency of hydraulic blister forming;

[0019] 2) The hot-pressing blister forming device of the present invention is provided with a circulating heating power part, a heating circulation part and a negative pressure adsorption stabilizing part, and the heating circulation part controls the negative pressure adsorption stabilizing part to blister the plastic sheet onto the heating circulation part in time according to a predetermined program, so as to heat and soften the plastic sheet, so as to prepare for the blister forming of the circulating blister forming part;

[0020] 3) The hot-pressing blister forming device of the present invention is provided with a blister forming power part, a forming blister part, a negative pressure blister forming part and a forming liquid cooling part. The forming blister part is driven by the blister forming power part to perform blister forming on the softened plastic sheets on the heating circulation part one by one. The forming liquid cooling part cools and hardens the blister formed plastic sheets according to a predetermined blister forming time, thereby significantly improving the hydraulic blister forming efficiency.

[0021] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a front view of the hot-pressing blister forming device of the present invention;

[0023] Figure 2 It is a top view of the hot-pressing blister forming device of the present invention;

[0024] Figure 3 It is a schematic diagram of the three-dimensional structure of the hot-pressing plastic forming device of the present invention;

[0025] Figure 4 This is a front view of the end of the hot-pressing blister forming device of the present invention after the plastic sheet is removed;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the hot-pressing blister forming device of the present invention after removing the plastic sheet;

[0027] Figure 6 This is a bottom-up three-dimensional structural schematic diagram of the hot-pressing blister forming device of the present invention after the plastic sheet is removed;

[0028] Figure 7 The hot pressing plastic forming device of the present invention Figure 1 Main section view in the middle AA direction;

[0029] Figure 8 The hot pressing plastic forming device of the present invention Figure 1 Schematic diagram of the three-dimensional structure in the cross section along the AA direction.

[0030] Among them: 1-circulation heating support seat, 2-circulation heating support leg, 3-circulation guide slide rail, 4-first active fixed plate, 5-first driven fixed plate, 6-active circulation transmission disk, 7-first active shaft, 8-first motor, 9-first worm, 10-first worm gear, 11-driven circulation transmission disk, 12-first driven shaft, 13-first transmission chain, 14-heating sliding seat, 15-heating box, 16-first connecting block, 18-negative pressure main pipe, 19-negative pressure branch pipe, 20-first rotary joint, 21-blister support seat, 22-blister support leg, 23-blister guide slide rail, 24-second active fixed plate , 25-second driven fixed plate, 26-second driving shaft, 27-active blister transmission disc, 28-second motor, 29-second worm, 30-second worm wheel, 31-driven blister transmission disc, 32-second driven shaft, 33-second transmission chain, 34-blister sliding seat, 35-blister telescopic rod, 36-blister mold, 37-load-bearing pulley, 38-second connecting block, 39-second rotary joint, 40-blister branch pipe, 41-infusion main pipe, 42-infusion connector, 43-infusion branch pipe, 44-drainage main pipe, 45-drainage connector, 46-drainage branch pipe, 47-plastic sheet, 48-guide pulley. DETAILED DESCRIPTION

[0031] The technical solution of the present invention will be described in detail below by way of embodiments with reference to the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0032] The term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist at the same time. The term " / and" in this article describes another type of association object relationship, indicating that there can be two relationships. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the previous and next associated objects are in an "or" relationship.

[0033] according to Figure 1-Figure 8As shown, a hot-pressing blister forming device includes a circulating heating element and a circulating blister forming element, wherein the circulating heating element and the circulating blister forming element are both arranged on the ground, and the circulating heating element and the circulating blister forming element are arranged correspondingly. The circulating heating element includes a circulating heating support element, a circulating heating power element, a heating circulation element and a negative pressure adsorption stabilizing element, wherein the circulating heating support element is arranged on the ground, the circulating heating power element and the heating circulation element are both arranged on the circulating heating support element, and the negative pressure adsorption stabilizing element is arranged on the circulating heating power element. The circulating heating support element includes a circulating heating support seat 1, a circulating heating support leg 2 and a circulating guide rail 3, wherein the circulating heating support seat 1 is elliptical, and a first active fixing plate 4 is arranged at the arc at one end of the circulating heating support seat 1, and a first driven fixing plate 5 is arranged at the arc at the other end of the circulating heating support seat 1, and the first active fixing plate 4 and the first driven fixing plate 5 are used to fix the circulating heating power element. One end of the circulation heating support leg 2 is vertically fixed on the bottom surface of the circulation heating support seat 1, and the six circulation heating support legs 2 are evenly distributed on the circulation heating support seat 1, so that the circulation heating support seat 1 is horizontally set on the ground through the circulation heating support legs 2. The circulation guide rail 3 is elliptical, and the circulation guide rail 3 is horizontally fixed on the circulation heating support seat 1.

[0034] The circulating heating power part includes an active circulating transmission disc 6, a first active shaft 7, a first motor 8, a first worm 9, a first worm wheel 10, a driven circulating transmission disc 11, a first driven shaft 12 and a first transmission chain 13. The active circulating transmission disc 6 is horizontally arranged on the first active fixed plate 4 through a first thrust ball bearing, so that the active circulating transmission disc 6 rotates circumferentially on the first active fixed plate 4 through the first thrust ball bearing. Further, the active circulating transmission disc 6 is in the shape of a sprocket disc. One end of the first active shaft 7 vertically penetrates the first active fixed plate 4 and is fixedly arranged on the active circulating transmission disc 6. The first motor 8 is fixedly arranged on the first active fixed plate 4. The first worm 9 is arranged on the first motor 8. The first worm wheel 10 is fixedly sleeved on the other end of the first active shaft 7, and the first worm wheel 10 is meshed with the first worm 9. So that the first motor 8 drives the first active shaft 7 to rotate through the first worm 9 and the first worm wheel 10, and then drives the active circulating transmission disc 6 to rotate circumferentially. The driven circulating transmission disc 11 is horizontally arranged on the first driven fixed plate 5 through a second thrust ball bearing, the first driven shaft 12 is tubular, one end of the first driven shaft 12 passes through the first driven fixed plate 5 and is fixedly connected to the driven circulating transmission disc 11, so that the driven circulating transmission disc 11 rotates circumferentially on the first driven fixed plate 5 through the second thrust ball bearing. The first transmission chain 13 is fitted on the active circulating transmission disc 6 and the driven circulating transmission disc 11 at the same time.

[0035] The heating circulation component includes a heating sliding seat 14 and a heating box 15. A guide pulley 48 is arranged on the bottom surface of the heating sliding seat 14. Two guide pulleys 48 are distributed along the longitudinal direction of the heating sliding seat 14 at a predetermined interval. The heating sliding seat 14 is horizontally arranged on the circulation guide rail 3, and the two guide pulleys 48 are respectively buckled on the inner and outer sides of the circulation guide rail 3. A first connecting block 16 is arranged on the heating sliding seat 14, and the free end of the first connecting block 16 is connected to the first transmission chain 13. When the first transmission chain 13 is driven by the circulation heating power component, the heating sliding seat 14 will be driven to slide along the circulation guide rail 3 through the first connecting block 16.

[0036] The heating box 15 is in the shape of a groove. The heating box 15 is arranged on the top surface of the heating sliding seat 14. An aluminum foil plate is arranged on the inner wall of the groove of the heating box 15, and an electric heating wire is arranged in the heating box 15. When the electric heating wire is heated by current, its temperature will be gathered by the aluminum foil plate in the heating box 15, and radiated from the notch of the heating box 15 to the plastic sheet 47. As an option, a heat-insulating material is arranged between the aluminum foil plate and the inner wall of the heating box 15. This prevents the heating box 15 from being overheated and causing heat loss. Furthermore, an air duct is connected through the heating box 15, and the air duct runs through the inner and outer walls of the heating box 15. The air duct can facilitate the circulation blister molding part to blister the plastic sheet 47 on the notch of the heating box 15.

[0037] There are 48 heating circulation parts, which are evenly spaced on the circulation guide rail 3. The 48 heating circulation parts are driven by the first transmission chain 13 to slide on the circulation guide rail 3 in the same direction at the same speed, and the movement speed of the heating circulation parts along the first transmission chain 13 is the same as the feeding speed of the plastic sheet 47.

[0038] The negative pressure adsorption stabilizer includes a negative pressure main pipe 18, a negative pressure branch pipe 19 and a negative pressure hose. One end of the negative pressure main pipe 18 passes through the first driven shaft 12 and then passes through the driven circulating drive disk 11, and the negative pressure main pipe 18 rotates with the rotation of the driven circulating drive disk 11. The other end of the negative pressure main pipe 18 is provided with a first rotary joint 20, and the other end of the negative pressure main pipe 18 is connected to the first rotary joint 20 in a rotary sealing manner, and the other end of the first rotary joint 20 is connected to the first negative pressure pump through the first negative pressure transmission pipe. One end of the negative pressure branch pipe 19 is connected to the side wall of one end of the negative pressure main pipe 18, and the axis of the negative pressure branch pipe 19 is parallel to the radial line of the driven circulating drive disk 11, and the other end of the negative pressure branch pipe 19 is connected to the first quick-connect male connector. The first quick-connect male head can be correspondingly inserted into the first quick-connect female head on the first connection block 16 during the rotation of the driven circulating drive disk 11, so that the first quick-connect male head is sealed and connected with the first quick-connect female head. Twelve negative pressure branch pipes 19 are provided, and the twelve negative pressure branch pipes 19 are evenly distributed around the driven circulating drive disk 11. Furthermore, the side wall of the negative pressure branch pipe 19 is horizontally fixedly arranged on the top surface of the driven circulating drive disk 11.

[0039] A first one-way valve is arranged in the first quick-connect female head, and the first one-way valve includes a valve core, a reset spring, a magnetic coil and a transmission rod. The valve core and the reset spring are both embedded in a tube at one end of the first quick-connect female head, and the reset spring pushes one end of the valve core to block the first quick-connect female head. Further, when the first quick-connect male head draws air into the first quick-connect female head, the air will pass through the valve core to compress the reset spring, so that the air flows from the first quick-connect female head to the first quick-connect male head. The magnetic coil is fixedly embedded in the tube at the other end of the first quick-connect female head, one end of the transmission rod is fixedly arranged on the other end of the valve core, and the other end of the transmission rod is inserted into the magnetic coil. When the magnetic coil is passed with current to generate a magnetic field, it will push the transmission rod to move toward the valve core, thereby pushing the valve core to compress the reset spring to release the negative pressure.

[0040] The first quick-connect female connector is connected to the first blind hole in the first connection block 16, the first blind hole is connected to the second blind hole in the first connection block 16, one end of the second blind hole is connected to the side wall of the negative pressure hose, the other end of the second blind hole is connected to the circumferential surrounding hole on the thick wall of the heating box 15, the circumferential surrounding hole is distributed circumferentially around the heating box 15, the thick wall of the heating box 15 is provided with a first air extraction hole, one end of the first air extraction hole is connected to the circumferential surrounding hole, and the other end of the first air extraction hole is connected to the thick wall surface of the notch of the heating box 15. Twelve first air extraction holes are provided, and the twelve first air extraction holes are evenly distributed around the thick wall of the heating box 15. The negative pressure hose is fixedly laid on the first transmission chain 13, and the negative pressure hose is connected to one end of the second blind holes on the forty-eight first connection blocks 16 at the same time. Further, a second one-way valve is provided on the other end of the second blind hole, and the second one-way valve has the same structure as the first one-way valve. It should be noted that the plastic sheet 47 is adsorbed on the first exhaust hole by the combination control of the first one-way valve and the second one-way valve, and the plastic sheet 47 hardened by vacuum molding is released from the first exhaust hole by the combination control of the first one-way valve and the second one-way valve.

[0041] When the plastic sheet 47 is fed out by the feed roll and enters the top surface of the heating box 15, the first negative pressure pump draws air to the negative pressure branch pipe 19 through the negative pressure main pipe 18, and the negative pressure branch pipe 19 draws air to the first blind hole through the first quick-connect male head and the first quick-connect female head, and the first blind hole draws air to the circumferential surrounding hole through the other end of the second blind hole, and the circumferential surrounding hole draws air to the outside through the twelve first exhaust holes, thereby adsorbing the plastic sheet 47 on the notch of the heating box 15; the first blind hole draws air to the negative pressure hose through one end of the second blind hole, and the negative pressure hose simultaneously draws air to one end of the second blind holes on the forty-eight first connecting blocks 16, so as to achieve the simultaneous adsorption of the plastic sheet 47 on the notch of the heating box 15.

[0042] The circulating blister forming part includes a blister forming support part, a blister forming power part, a molded blister part, a negative pressure blister forming part and a molded liquid cooling part. The adsorption forming support part is arranged on the ground, the blister forming power part is arranged on the blister forming support part, and the molded blister part, the negative pressure blister forming part and the molded liquid cooling part are all arranged on the blister forming power part. The blister forming support part includes a blister supporting seat 21, a blister supporting leg 22 and a blister guiding rail 23. The blister supporting seat 21 is elliptical. A second active fixing plate 24 is arranged at the arc at one end of the blister supporting seat 21, and a second driven fixing plate 25 is arranged at the arc at the other end of the blister supporting seat 21. The second active fixing plate 24 and the second driven fixing plate 25 are used to fix the blister forming power part. One end of the blister support leg 22 is vertically fixed on the bottom surface of the blister support seat 21, and the four blister support legs 22 are evenly distributed on the blister support seat 21, so that the blister support seat 21 is horizontally set on the ground after the blister support legs 22 straddle the circulation heating element, and the axial line of the blister support seat 21 is parallel to the axial line of the circulation heating support seat 1. The cross-section of the blister guide rail 23 is in the shape of a T-shaped hanging rail, and the blister guide rail 23 is elliptical and fixed on the bottom surface of the blister support seat 21. The blister guide rail 23 is used to suspend the molded blister parts.

[0043] The blister molding power part includes a second driving shaft 26, an active blister transmission disc 27, a second motor 28, a second worm 29, a second worm wheel 30, a driven blister transmission disc 31, a second driven shaft 32 and a second transmission chain 33. The second driving shaft 26 is tubular, one end of the second driving shaft 26 vertically passes through the second active fixed plate 24, and the second driving shaft 26 can rotate circumferentially on the second active fixed plate 24, and the active blister transmission disc 27 is horizontally fixed on one end of the second driving shaft 26. Further, the active blister transmission disc 27 is in the shape of a sprocket disc. The second motor 28 is fixedly set on the second active fixed plate 24, the second worm 29 is fixedly set on the rotating shaft of the second motor 28, the second worm wheel 30 is fixedly sleeved on the other end of the second driving shaft 26, and the second worm wheel 30 is meshed with the second worm 29. The second motor 28 drives the second driving shaft 26 to rotate through the second worm 29 and the second worm wheel 30, and the second driving shaft 26 drives the active blister transmission disc 27 to rotate. The second driven shaft 32 is tubular, one end of the second driven shaft 32 passes through the second driven fixed plate 25, and the driven blister drive disc 31 is rotatably sleeved on the other end of the second driven shaft 32, so that the driven blister drive disc 31 can rotate circumferentially around the second driven shaft 32. The second driven wheel is in the shape of a sprocket wheel. The second transmission chain 33 is simultaneously sleeved on the active blister drive disc 27 and the driven blister drive disc 31. When the second motor 28 drives the active blister drive disc 27 to rotate, it will simultaneously rotate around the active blister drive disc 27 and the driven blister drive disc 31 through the second transmission chain 33.

[0044] The molded blister part includes a blister sliding seat 34, a blister telescopic rod 35 and a blister mold 36. The blister sliding seat 34 is in a rectangular groove shape. A load-bearing pulley 37 is arranged on the notch of the blister sliding seat 34. The blister sliding seat 34 is suspended on the blister guide rail 23 through the load-bearing pulley 37, so that the blister sliding seat 34 can slide on the blister guide rail 23 through the load-bearing pulley 37. A second connecting block 38 is fixedly arranged on the side wall of the blister sliding seat 34, and the free end of the second connecting block 38 is fixedly connected to the second transmission chain 33. The blister telescopic rod 35 is an automatic telescopic rod, and the bottom end of the blister telescopic rod 35 is vertically fixed on the bottom of the groove of the blister sliding seat 34. The blister mold 36 is fixedly arranged on the top of the blister telescopic rod 35, and the blister mold 36 is used for negative pressure absorption and heating and softening of the plastic sheet 47 for molding. When the blister mold 36 is driven to a predetermined position by the second transmission chain 33, the blister telescopic rod 35 automatically extends to drive the blister mold 36 to buckle on the notch of the heating box 15, so that the negative pressure blister forming part can suck the heated and softened plastic sheet 47 into the blister mold 36 for forming. Thirty-two blister forming parts are provided, and the thirty-two blister forming parts are evenly spaced on the blister guide rail 23.

[0045] The negative pressure blister molding part includes a second rotary joint 39, a blister branch pipe 40 and a blister hose. One end of the second rotary joint 39 is rotatably mounted on the other end of the second active shaft 26, so that the second active shaft 26 can be rotatably sealed and connected with the second rotary joint 39. One end of the blister branch pipe 40 is horizontally arranged on the active blister transmission disk 27, and one end of the blister branch pipe 40 is connected with the side wall of one end of the second active shaft 26, and the other end of the blister branch pipe 40 is provided with a second quick-connect male head. Twelve blister branches 40 are provided, and the twelve blister branches 40 are evenly distributed around the circumference of the second active shaft 26. The second quick-connect male head can be correspondingly inserted into the second quick-connect female head on the second connection block 38 during the rotation of the active blister transmission disk 27. A third one-way valve is provided in the second quick-connect female head, and the third one-way valve has the same structure as the first one-way valve. The second quick-connect female connector is connected to one end of the third blind hole in the second connection block 38, the third blind hole is connected to the fourth blind hole in the second connection block 38, one end of the fourth blind hole is connected to the side wall of the blister hose, and the other end of the fourth blind hole is connected to the blister hole on the blister mold 36. Further, a fourth one-way valve is provided on one end of the fourth blind hole, and the fourth one-way valve has the same structure as the first one-way valve. The blister hose is laid on the second transmission chain 33 along a ring, and the blister hose is connected to one end of the fourth blind hole of the thirty-two molded blister parts. The blister hole is controlled by the combination of the third one-way valve and the fourth one-way valve to blister the plastic sheet 47 into the blister mold 36 to complete the blister; and the molded plastic sheet 47 is released from the blister mold 36 by the combination of the third one-way valve and the fourth one-way valve.

[0046] The molded liquid cooling part includes a cooling infusion part and a cooling drainage part, wherein the cooling infusion part is arranged on the driven blister transmission disk 31, and the cooling drainage part is arranged on the active blister transmission disk 27. The cooling infusion part includes an infusion trunk 41, an infusion connector 42, an infusion branch 43 and an infusion relay hose, wherein one end of the infusion trunk 41 passes through the second driven shaft 32, one end of the infusion connector 42 is rotationally sealed and sleeved on the other end of the infusion trunk 41, and the other end of the infusion connector 42 is connected to the infusion pump through the infusion hose. The infusion branch pipe 43 is arranged on the bottom surface of the driven blister transmission disc 31, and one end of the infusion branch pipe 43 is horizontally fixed and penetrates the side wall of one end of the infusion main pipe 41, and the other end of the infusion branch pipe 43 is provided with a third quick-connect male head, and the third quick-connect male head can be correspondingly inserted into the third quick-connect female head on the second connection block 38 during the rotation of the driven blister transmission disc 31, so that the third quick-connect male head can be sealed and connected with the third quick-connect female head. Furthermore, the third quick-connect female head is provided with a fifth one-way valve, and the fifth one-way valve only allows the coolant to flow from the third quick-connect male head to the third quick-connect female head.

[0047] The third quick-connect female connector is connected to one end of the fifth blind hole on the second connection block 38, the bottom end of the fifth blind hole is connected to the sixth blind hole, one end of the sixth blind hole is connected to the side wall of the infusion relay hose, and the other end of the sixth blind hole is connected to one end of the circumferential cooling pipe on the blister mold 36. The circumferential cooling pipe is distributed in a circumferential spiral around the blister mold 36 to improve the cooling and hardening efficiency of the blister mold 36 on the plastic sheet 47 after hot pressing. Furthermore, a solenoid valve is provided at the other end of the sixth blind hole, and the solenoid valve can control whether the sixth blind hole delivers coolant to the circumferential cooling pipe. The infusion relay hose is laid in an annular shape on the second transmission chain 33, and the infusion relay hose is simultaneously connected to one end of the sixth blind holes on thirty-two of the second connection blocks 38.

[0048] The cooling and draining parts include a drain main pipe 44, a drain connector 45, a drain branch pipe 46 and a drain relay hose. One end of the drain main pipe 44 is connected to the bottom surface of the active blister transmission disk 27, one end of the drain connector 45 is rotatably sealed and connected to the free end of the drain main pipe 44, and the other end of the drain connector 45 discharges the coolant through the drain hose. The drain branch pipe 46 is arranged on the bottom surface of the active blister transmission disk 27, and one end of the drain branch pipe 46 is connected to the side wall of one end of the drain main pipe 44 through the drain branch pipe 46. At the same time, the other end of the drain branch pipe 46 is provided with a fourth quick-connect male head. The fourth quick-connect male head can be correspondingly inserted into the fourth quick-connect female head on the second connection block 38 during the rotation of the active blister transmission disk 27, so that the fourth quick-connect male head and the fourth quick-connect female head are sealed and connected. Furthermore, twelve drainage branch pipes 46 are provided, and the twelve drainage branch pipes 46 are evenly distributed around the drainage main pipe 44 in the circumferential direction.

[0049] The fourth quick-connect female connector is connected to one end of the seventh blind hole on the second connection block 38, the other end of the seventh blind hole is connected to the eighth blind hole on the second connection block 38, one end of the eighth blind hole is connected to the side wall of the drainage relay hose, and the other end of the eighth blind hole is connected to the other end of the circumferential cooling pipe, so that the coolant is discharged successively through the circumferential cooling pipe, the eighth and seventh blind holes, the fourth quick-connect female connector, the fourth quick-connect male connector, the drainage branch pipe 46, the drainage main pipe 44, the drainage connector 45 and the drainage hose.

[0050] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A hot pressing blister forming device, characterized in that: include: A circulation heating component, comprising a circulation heating support, a circulation heating power component, a heating circulation component and a negative pressure adsorption stabilizing component, wherein the circulation heating power component drives a plurality of the connected heating circulation components to rotate on the circulation heating support, and the negative pressure adsorption stabilizing component adsorbs the plastic sheet on the heating circulation component on the circulation heating power component to be heated and softened; A circulating blister forming part, which is arranged corresponding to the circulating heating part, comprises a blister forming support part, a blister forming power part, a forming blister part, a negative pressure blister forming part and a forming liquid cooling part. The blister forming power part drives a plurality of connected forming blister parts to rotate on the blister forming support part. The negative pressure blister forming part applies negative pressure to the forming blister parts on the blister forming power part to perform blister forming on the softened plastic sheet. The forming liquid cooling part performs liquid cooling on the forming blister parts on the blister forming power part to accelerate the cooling and hardening of the plastic sheet after blister forming. The circulating heating support member includes a circulating heating support seat, a circulating heating support leg and a circulating guide rail. The circulating heating support seat is horizontally arranged on the ground through the circulating heating support leg arranged thereon, and the circulating guide rail is arranged on the circulating heating support seat; the circulating heating power member includes an active circulating transmission disk, a first active shaft, a first motor, a first worm, a first worm wheel, a driven circulating transmission disk, a first driven shaft and a first transmission chain, one end of the first active shaft vertically passes through one end of the circulating heating support seat, the active circulating transmission disk is arranged on one end of the first active shaft, the first motor is arranged on one end of the circulating heating support seat, the first worm is arranged on the first motor, the first worm wheel is sleeved on the other end of the first active shaft, and the first worm wheel is meshed with the first worm; one end of the first driven shaft passes through the other end of the circulating heating support seat, the driven circulating transmission disk is arranged on one end of the first driven shaft, and the first transmission chain is simultaneously sleeved on the active circulating transmission disk and the driven circulating transmission disk; the heating circulation member includes a heating sliding seat and a heating box, and a guide pulley is arranged on the bottom surface of the heating sliding seat, The heating sliding seat is horizontally arranged on the circulating guide slide rail, and the guide pulley is buckled on the inner and outer sides of the circulating guide slide rail; the heating sliding seat is provided with a first connecting block, and the free end of the first connecting block is connected to the first transmission chain; the heating box is arranged on the top surface of the heating sliding seat, an aluminum foil plate is arranged on the inner wall of the heating box groove, and an electric heating wire is arranged in the heating box; a plurality of the heating circulation parts are evenly spaced on the circulating guide slide rail; the negative pressure adsorption stabilizing part includes a negative pressure main pipe, a negative pressure branch pipe and a negative pressure hose, and one end of the negative pressure main pipe passes through the The first driven shaft passes through the driven circulating transmission disk from behind, and a first rotating joint is provided on the rotating sealing sleeve on the other end of the negative pressure main pipe, and the other end of the first rotating joint is connected with the first negative pressure pump through the first negative pressure transmission pipe; one end of the negative pressure branch pipe is connected with the side wall of one end of the negative pressure main pipe, and the other end of the negative pressure branch pipe is connected with a first quick-connect male head; the first quick-connect male head can be correspondingly inserted into the first quick-connect female head on the first connecting block during the rotation of the driven circulating transmission disk; a plurality of the negative pressure branch pipes are evenly distributed circumferentially around the driven circulating transmission disk.

2. The hot-pressing blister forming device according to claim 1, characterized in that: A first one-way valve is arranged in the first quick-connect female connector, and the first one-way valve includes a valve core, a return spring, a magnetic coil and a transmission rod. The valve core and the return spring are both embedded in a tube at one end of the first quick-connect female connector, and the return spring pushes one end of the valve core to seal the first quick-connect female connector; the magnetic coil is embedded in the tube at the other end of the first quick-connect female connector, one end of the transmission rod is arranged on the other end of the valve core, and the other end of the transmission rod is inserted into the magnetic coil.

3. The hot-pressing blister forming device according to claim 2, characterized in that: The first quick-connect female connector is through-connected with the first blind hole in the first connecting block, the first blind hole is through-connected with the second blind hole in the first connecting block, one end of the second blind hole is through-connected with the side wall of the negative pressure hose, the other end of the second blind hole is through-connected with the circumferential surrounding hole on the thick wall of the heating box, a first air suction hole is provided on the thick wall of the heating box, one end of the first air suction hole is through-connected with the circumferential surrounding hole, the other end of the first air suction hole is through-connected with the thick wall surface of the notch of the heating box; a plurality of the first air suction holes are evenly distributed around the circumference of the thick wall of the heating box; the negative pressure hose is fixedly laid on the first transmission chain, and the negative pressure hose is simultaneously through-connected with one end of the second blind holes on a plurality of the first connecting blocks; a second one-way valve is provided on the other end of the second blind hole, and the second one-way valve has the same structure as the first one-way valve.

4. The hot-pressing blister forming device according to claim 3, characterized in that: The blister forming support member includes a blister forming support seat, a blister forming support leg and a blister forming guide rail. The blister forming support seat is arranged on the ground behind the heating circulation member through the blister forming support leg connected thereto. The cross section of the blister forming guide rail is in the shape of a T-shaped hanging rail. The blister forming guide rail is arranged along the blister forming support seat. The blister forming power member includes a second driving shaft, an active blister forming transmission disc, a second motor, a second worm, a second worm gear, a driven blister forming transmission disc, a second driven shaft and a second transmission chain. One end of the second driving shaft passes through the second driving shaft on the blister forming support seat. The fixing plate, the active blister transmission disc is arranged on one end of the second active shaft; the second motor is arranged on one end of the blister support seat, the second worm is arranged on the rotating shaft of the second motor, the second worm wheel is sleeved on the other end of the second active shaft, and the second worm wheel is meshed with the second worm; one end of the second driven shaft passes through the other end of the blister support seat, the driven blister transmission disc is rotatably sleeved on the other end of the second driven shaft, and the second transmission chain is simultaneously fitted on the active blister transmission disc and the driven blister transmission disc.

5. The hot-pressing blister forming device according to claim 4, characterized in that: The molded blister part includes a blister sliding seat, a blister telescopic rod and a blister mold. A load-bearing pulley is arranged on the groove of the blister sliding seat. The blister sliding seat is suspended on the blister guide slide rail through the load-bearing pulley. A second connecting block is arranged on the side wall of the blister sliding seat. The free end of the second connecting block is connected to the second transmission chain. The bottom end of the blister telescopic rod is arranged on the bottom of the blister sliding seat groove, and the blister mold is arranged on the top of the blister telescopic rod. A plurality of the molded blister parts are distributed at equal intervals on the blister guide slide rail.

6. The hot-pressing blister forming device according to claim 5, characterized in that: The negative pressure blister forming part includes a second rotating joint, a blister branch pipe and a blister hose, one end of the second rotating joint is rotatably sleeved on the other end of the second active shaft, the blister branch pipe is arranged on the active blister transmission disk, and one end of the blister branch pipe is connected with the side wall of one end of the second active shaft, the other end of the blister branch pipe is provided with a second quick-connect male head, a plurality of blister branches are evenly distributed around the circumference of the second active shaft, the second quick-connect male head can be correspondingly inserted into the second quick-connect female head on the second connection block during the rotation of the active blister transmission disk, and the second quick-connect female head is provided with a third unidirectional The third one-way valve has the same structure as the first one-way valve; the second quick-connect female connector is connected to one end of the third blind hole in the second connection block, the third blind hole is connected to the fourth blind hole in the second connection block, one end of the fourth blind hole is connected to the side wall of the blister hose, and the other end of the fourth blind hole is connected to the blister hole on the blister mold; a fourth one-way valve is arranged on one end of the fourth blind hole, and the fourth one-way valve has the same structure as the first one-way valve; the blister hose is laid on the second transmission chain along a ring, and the blister hose is connected to one end of the fourth blind holes of a plurality of the molded blister parts.

7. The hot-pressing blister forming device according to claim 6, characterized in that: The molded liquid cooling part includes a cooling infusion part and a cooling drainage part, wherein the cooling infusion part is arranged on the driven blister transmission disk, and the cooling drainage part is arranged on the active blister transmission disk; the cooling infusion part includes an infusion main tube, an infusion connector, an infusion branch tube and an infusion relay hose, one end of the infusion main tube passes through the second driven shaft, one end of the infusion connector is rotationally sealed and sleeved on the other end of the infusion main tube, and the other end of the infusion connector is connected to the infusion pump through the infusion hose; one end of the infusion branch tube is arranged on the side wall of one end of the infusion main tube A third quick-connect male connector is provided at the other end of the infusion branch pipe, and the third quick-connect male connector can be correspondingly inserted into the third quick-connect female connector on the second connection block during the rotation of the driven blister transmission disk, and a fifth one-way valve is provided on the third quick-connect female connector; the third quick-connect female connector is connected to one end of the fifth blind hole on the second connection block, the bottom end of the fifth blind hole is connected to the sixth blind hole, one end of the sixth blind hole is connected to the side wall of the infusion relay hose, and the other end of the sixth blind hole is connected to one end of the circumferential cooling pipe on the blister mold ; The sixth blind hole is provided with a solenoid valve, the infusion relay hose is laid in a ring shape on the second transmission chain, and the infusion relay hose is simultaneously connected to one end of the sixth blind holes on multiple second connecting blocks; the cooling drainage component includes a drainage main pipe, a drainage connector, a drainage branch pipe and a drainage relay hose, one end of the drainage main pipe is connected to the bottom surface of the active blister transmission disk, one end of the drainage connector is rotatably sealed and connected to the free end of the drainage main pipe, one end of the drainage branch pipe is connected to one end of the drainage main pipe, and the other end of the drainage branch pipe is connected to the bottom surface of the active blister transmission disk. A fourth quick-connect male connector is provided at the end thereof, and the fourth quick-connect male connector can be correspondingly inserted into the fourth quick-connect female connector on the second connecting block during the rotation of the active blister transmission disk; a plurality of drainage branch pipes are evenly distributed around the drainage main pipe in the circumference; the fourth quick-connect female connector is connected to one end of the seventh blind hole on the second connecting block, the other end of the seventh blind hole is connected to the eighth blind hole on the second connecting block, one end of the eighth blind hole is connected to the side wall of the drainage relay hose, and the other end of the eighth blind hole is connected to the other end of the circumferential cooling pipe.

Images