CN217553106U

CN217553106U - Plastic packaging shell forming device of earphone

Info

Publication number: CN217553106U
Application number: CN202220959316.3U
Authority: CN
Inventors: 廖龙波; 何乐贤; 龙亮; 龙顺生; 莫成杰
Original assignee: Huizhou Jue Rui Technology Co ltd
Current assignee: Huizhou Jue Rui Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-10-11
Anticipated expiration: 2032-04-24

Abstract

The utility model relates to a plastic packaging shell forming device of earphone, which comprises a frame, the frame goes up and down to be provided with the lower mould, the plastic film has been placed on the lower mould, be provided with in the frame and be used for hot pressing the last mould of plastic film, the frame is provided with and is used for driving the lower mould and be close to or keep away from the driving piece of last mould, set up the shaping groove with earphone shape looks adaptation on the lower mould, the plastic film approximately fits the opening part in shaping groove, the surface of lower mould is provided with and is used for the actuation fixed the suction nozzle of plastic film, the suction nozzle is located week side of shaping groove notch, the suction nozzle with the bottom surface actuation of plastic film, be provided with on the lower mould and be used for control the suction nozzle is in go up the mould and the lower mould is close to the controller of pressfitting plastic film when pressfitting in-process. This application has when the pressfitting plastic piece for the difficult emergence of plastic piece is removed, is favorable to improving the shaping effect of product.

Description

Plastic packaging shell forming device of earphone

Technical Field

The utility model belongs to the technical field of the technique of earphone packing carton processing equipment and specifically relates to a plastic packaging shell forming device of earphone is related to.

Background

With the progress of digital technology, people's entertainment is also gradually becoming digital, digital audio and video is a common video playing device in ordinary households, and digital audio and video has a decoding function of dolby digital (dolby digital) or digital audio and video system (DTS), so that digital signals can be decoded and output to speakers to make them sound.

As a music electronic product, the headset is required to be provided for supporting articles such as a user data line, a Dongle, an installation guide, a warranty card and the like during sale, and meanwhile, in order to protect the headset from being damaged in the transportation process, a soft plastic packaging shell is placed in the protection box to support and fix the headset. The fixed package of the headphone is mostly realized by adopting a plastic packaging shell formed by a similar plastic uptake process, and the shape and the size of the plastic packaging shell are slightly smaller than the appearance size of the headphone so as to realize interference fit.

In the related art, a plastic packaging shell is processed into the shape of an earphone by a forming device during processing, the forming device comprises a lower die and an upper die for pressing a plastic sheet, the plastic sheet is placed on the lower die, and the upper die and the lower die are mutually close to each other for heating and pressing to process and form the plastic sheet. However, when the upper mold and the lower mold are pressed, the plastic sheet may move during the pressing process, and the plastic sheet is not convenient to adjust, and the plastic sheet after the deviation easily affects the molding effect of the processed product.

SUMMERY OF THE UTILITY MODEL

In order to improve current make-up machine when the pressfitting plastic piece, the plastic piece if take place to remove the phenomenon that influences final shaping effect easily, the utility model provides a plastic packaging shell forming device of earphone.

The utility model provides a pair of plastic packaging shell forming device of earphone adopts following technical scheme:

a plastic packaging shell forming device of an earphone comprises a rack, wherein the rack is provided with a lower die in a lifting way, a plastic sheet is placed on the lower die, an upper die for hot-pressing the plastic sheet is arranged on the rack, the rack is provided with a driving piece for driving the lower die to be close to or far away from the upper die,

set up the shaping groove with earphone shape looks adaptation on the lower mould, the plastic cement piece approximately fits the opening part in shaping groove, the surface of lower mould is provided with and is used for the actuation fixed the suction nozzle of plastic cement piece, the suction nozzle is located week side of shaping groove notch, the suction nozzle with the bottom surface actuation of plastic cement piece, be provided with on the lower mould and be used for control the suction nozzle is in go up the mould and be close to the controller of actuation plastic cement piece when pressfitting in-process with the lower mould.

Through adopting above-mentioned technical scheme, when processing the plastic piece, place the plastic piece on the shaping groove of lower mould, the locating position of plastic piece has been adjusted, breathe in through controller control suction nozzle, make the plastic piece fix on the lower mould, and then rise and with last mould to the lock in-process under the control of driving piece, make the plastic piece be difficult for taking place the skew because of the vibrations that receive the lower mould, thereby the mould can accurate pressfitting correct position in the plastic piece on the order, be favorable to improving off-the-shelf shaping effect.

Preferably, the lower die is provided with a detection sensor for detecting the distance between the lower die and the upper die, and the detection sensor is electrically connected with the controller.

By adopting the technical scheme, in the ascending process of the lower die, the detection sensor detects the distance between the upper die and the lower die, when the distance between the upper die and the lower die is gradually reduced, the lower die and the upper die are pressed together, and then an action signal is sent to the controller, so that the controller sucks air through the suction nozzle, and the plastic sheet is sucked on the lower die. When the distance between the lower die and the upper die is gradually increased, the fact that demolding operation needs to be carried out on the plastic sheet after the lower die and the upper die are completely laminated is indicated, and at the moment, a stop signal is sent to the controller to enable the controller to control the suction nozzle to stop sucking air.

Preferably, be provided with on the lower mould and be used for the location the locating lever of plastic piece initial position, the locating lever is located week side in shaping groove, just the locating lever with the lateral wall butt cooperation of plastic piece.

Through adopting above-mentioned technical scheme, in order to further restrict plastic piece and lower mould and remove at will, be provided with the locating lever on the lower mould, when the plastic piece was placed on the lower mould, confirm the locating position of plastic piece through the locating lever, the locating lever plays the restriction effect to the removal of plastic piece in addition.

Preferably, be provided with the shaping seat on the lower mould, the shaping groove is located the orientation of shaping seat go up one side of mould, the frame is provided with the jet plane that is used for making plastic piece and lower mould drawing of patterns, the inner wall in shaping groove be provided with the air jet of jet plane intercommunication.

Through adopting above-mentioned technical scheme, form the shape of earphone after mould and lower mould pressfitting when the plastic piece, owing to can heat the plastic piece at the pressfitting in-process for easy adhesion between plastic piece and the lower mould makes the plastic piece be difficult for breaking away from, thereby utilizes the jet plane to blow to the shaping inslot through the air jet and can enough accelerate the cooling of plastic piece, can make plastic piece and separation of shaping seat again.

Preferably, be provided with the montant in the frame, the lower mould with the montant slides and is connected, be provided with on the lower mould and be used for control the jet-propelled travel switch of jet-propelled, be provided with on the montant and be used for triggering travel switch's lug, the lug with travel switch butt cooperation, travel switch with jet-propelled electric connection.

Through adopting above-mentioned technical scheme, the back is accomplished with last mould pressfitting to the lower mould, and the lower mould can descend and go up the mould separation, and at the lower mould decline in-process, lug and travel switch butt on the lower mould, and then trigger travel switch, travel switch and jet-propelled machine electric connection, then the action of automatic control jet-propelled machine, with plastic piece and the separation of shaping seat.

Preferably, the upper die is provided with a fixed pressing block for pressing and holding a fixed plastic sheet, the fixed pressing block is pressed and held on the peripheral side of the plastic sheet, and the surface of the forming seat is provided with a fixed pressing groove matched with the fixed pressing block.

By adopting the technical scheme, when the lower die is pressed on the upper die, the fixed pressing block is matched with the fixed pressing groove to be clamped on the peripheral side of the plastic sheet, along with the continuous pressing action of the upper die and the lower die, the upper die heats the middle part of the plastic sheet to form the shape of the earphone, and the fixed pressing block fixes the peripheral side of the plastic sheet so as to keep the whole size of the plastic sheet.

Preferably, a cooling water pipe for cooling the plastic sheet is arranged in the lower die, and the cooling water pipe surrounds the wall of the forming groove.

Through adopting above-mentioned technical scheme, when last mould and lower mould pressfitting plastic piece, it heats the plastic piece to go up the mould, make the plastic piece soften, be convenient for change the shape of plastic piece, after the pressfitting finishes, need make the plastic piece cooling hardening, make the plastic piece can normal use, consequently, through the cell wall department at the shaping groove around having condenser tube, when needs cooling, let in the cooling water in to condenser tube, reduce the temperature of plastic piece, be favorable to reducing the cool time of plastic piece.

Preferably, the lower die is provided with a plurality of forming seats, and the forming seats are arranged in parallel.

Through adopting above-mentioned technical scheme, be provided with a plurality of shaping seats on the lower mould, make the lower mould can a plurality of plastic pieces of simultaneous processing to improve the production speed of packing carton, be favorable to producing a large amount of products fast.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the suction nozzle arranged on the lower die can reduce the possibility of offset of the plastic sheet and the lower die when the lower die drives the plastic sheet to move, so that the forming effect of a finished product is improved;

2. the detection sensor is arranged on the upper die, and the working state of the suction nozzle is controlled by the detection sensor. Automatic control is realized, and the trouble of manual operation is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure in the present embodiment;

fig. 2 is a partial sectional view for showing a lower mold;

FIG. 3 is a partial cross-sectional view for showing the upper die;

fig. 4 is a partial sectional view for showing an internal structure of the molding base.

Description of reference numerals: 1. a frame; 2. a lower die; 21. perforating; 22. forming a base; 23. forming a groove; 24. positioning a rod; 25. a suction nozzle; 26. a detection sensor; 27. fixing the pressure tank; 28. a cooling water pipe; 29. a water pump; 210. an air jet; 211. a travel switch; 3. an upper die; 31. fixing a pressing block; 4. a drive member; 5. a guide bar; 6. plastic sheets; 7. a controller; 8. an air jet; 81. a gas ejector tube; 9. a vertical rod; 91. a bump; 92. an inclined surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

A plastic packaging shell forming device of an earphone, referring to fig. 1, comprises a frame 1, a lower die 2 which is arranged on the frame 1 in a lifting mode and an upper die 3 which is fixedly arranged on the frame 1, wherein the lower die 2 and the upper die 3 are arranged oppositely, and the upper die 3 and the lower die 2 are buckled with each other (combining fig. 3).

Referring to fig. 1, frame 1 internal fixation installs driving piece 4 that is used for driving 2 lifts of lower mould, and driving piece 4 includes the lift cylinder, and the lift cylinder is vertical setting, the piston rod and the 2 fixed connection of lower mould of lift cylinder. In this embodiment, the driving member 4 may also be a lift cylinder. A plurality of guide rods 5 for guiding the lower die 2 to ascend and descend are vertically arranged on the rack 1, the guide rods 5 are located on the peripheral side of the lower die 2, through holes 21 for the guide rods 5 to penetrate through are formed in the lower die 2, and the lower die 2 is connected with the guide rods 5 in a sliding mode.

Referring to fig. 2, a forming seat 22 is installed on one side of the lower die 2 facing the upper die 3, a forming groove 23 matched with the shape of the earphone is formed in the forming seat 22, a plastic sheet 6 is placed at the notch of the forming groove 23, and the plastic sheet 6 covers the notch of the forming groove 23. The fixed surface of shaping seat 22 installs the locating lever 24 that a plurality of was used for fixing a position placing position of plastic piece 6, and a plurality of locating lever 24 is along the equidistant distribution in notch border of shaping groove 23, and locating lever 24 and the border butt of plastic piece 6. In this embodiment, there are two molding bases 22 on the lower mold 2, and the two molding bases 22 are arranged in parallel along the length direction of the lower mold 2.

Referring to fig. 2, the surface of the forming base 22 is further provided with a plurality of suction nozzles 25 for sucking air, the suction nozzles 25 are located in the placing position, the plurality of suction nozzles 25 are equidistantly distributed along the peripheral side of the notch of the forming groove 23, and the suction nozzles 25 are sucked on the surface of the plastic sheet 6. The frame 1 is provided with a controller 7 for controlling the suction nozzle 25 to suck the plastic sheet 6. When the lower die 2 drives the plastic sheet 6 to be pressed with the upper die 3, the controller 7 controls the suction nozzle 25 to suck air so as to suck the plastic sheet 6 to be fixed on the lower die 2. The lower die 2 is provided with a detection sensor 26 for detecting the distance between the lower die 2 and the upper die 3, the detection sensor 26 is located on the lower die 2, and the detection sensor 26 is electrically connected to the controller 7, in this embodiment, the detection sensor 26 is an infrared detection sensor 26. When the lower mold 2 approaches the upper mold 3, the detection sensor 26 sends an operation signal to the controller 7 to control the suction nozzle 25 to suck air, otherwise, the suction nozzle 25 stops sucking air.

Referring to fig. 2 and 3, a fixing pressing block 31 for pressing the plastic sheet 6 is fixedly installed on one side of the upper die 3 facing the lower die 2, a fixing pressing groove 27 is formed on the surface of the forming seat 22, the fixing pressing groove 27 is located on the periphery of the notch of the forming groove 23, and the edge of the plastic sheet 6 covers the fixing pressing groove 27. When the lower die 2 is buckled with the upper die 3, the fixed pressing block 31 is inserted into the fixed pressing groove 27, so that the edge of the plastic sheet 6 is fixed, and the size of the plastic sheet 6 is limited to change in the pressing process.

Referring to fig. 3 and 4, a cooling water pipe 28 for cooling the plastic sheet 6 is installed in the forming base 22, a water pump 29 is installed on the frame 1, and the cooling water pipe 28 is communicated with the water pump 29. The cooling water pipe 28 is wound around the periphery of the molding groove 23, and cooling water is filled in the cooling water pipe 28. In this embodiment, after the upper mold 3 and the lower mold 2 press-fit the plastic sheet 6 for molding, the cooling water is injected into the cooling water pipe 28 to accelerate the cooling and shaping of the plastic sheet 6.

Referring to fig. 3 and 4, an air vent 210 for blowing air to the plastic sheet 6 to demold the plastic sheet 6 is formed in the forming groove 23, and the air vent 210 is located at the bottom of the forming groove 23. The frame 1 is provided with an air jet 8 for blowing air into the molding groove 23, the air jet 8 is connected with an air jet pipe 81, and one end of the air jet pipe 81 far away from the air jet 8 is communicated with an air jet 210. The side of lower mould 2 is installed and is used for the jet-propelled travel switch 211 of automatic control air jet 8 to the shaping inslot 23, still vertically install montant 9 in the frame 1, montant 9 is located lower mould 2 and the side of last mould 3, fixed mounting has the lug 91 that is used for triggering travel switch 211 on montant 9, lug 91 is located the bottom of montant 9, lug 91 is equipped with towards one side of travel switch 211, when lower mould 2 descends along guide arm 5, travel switch 211 cooperates with lug 91's inclined plane 92 butt, and then trigger air jet 8 action.

The implementation principle of the application is as follows: when the molding device is required to process the plastic sheet 6, the plastic sheet 6 is placed on the molding base 22, the positioning rod 24 is used to limit the position of the plastic sheet 6, so that the plastic sheet 6 can cover the notch of the molding groove 23, and the edge of the plastic sheet 6 covers the upper part of the fixed pressure groove 27. The lifting cylinder or the lifting oil cylinder is started to drive the lower die 2 to lift along the guide rod 5 to be gradually close to the upper die 3, and in the lifting process of the lower die 2, the detection sensor 26 detects that the position between the upper die 3 and the lower die 2 is gradually reduced, so that the suction nozzle 25 is controlled by the controller 7 to suck the plastic sheet 6 on the forming seat 22, and the movement of the plastic sheet 6 is limited. When the upper die 3 is buckled with the lower die 2, the upper die 3 heats the plastic sheet 6 to soften the plastic sheet 6, so that the shape of the earphone is gradually formed under the pressing effect of the upper die 3, and a finished product is obtained after the plastic sheet 6 is cooled. In the process of shaping the plastic sheet 6, cooling water is injected to the periphery of the shaping groove 23 through the cooling water pipe 28 to accelerate the cooling and shaping of the plastic sheet 6. Then control lower mould 2 and last mould 3 separation, when lower mould 2 moved to the bottom of guide arm 5, travel switch 211 on the lower mould 2 and lug 91 butt were triggered to start jet-propelled 8 and jet-propelled in to shaping groove 23, make between plastic sheet 6 and the shaping seat 22 separation of drawing of patterns more easily.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a plastic packaging shell forming device of earphone, includes frame (1), frame (1) goes up and down to be provided with lower mould (2), plastic piece (6) have been placed on lower mould (2), be provided with in frame (1) and be used for the hot pressing last mould (3) of plastic piece (6), frame (1) is provided with and is used for driving piece (4) that lower mould (2) are close to or keep away from last mould (3), its characterized in that:

offer on lower mould (2) with shaping groove (23) of earphone shape looks adaptation, plastic piece (6) lid fits the opening part of shaping groove (23), the surface of lower mould (2) is provided with and is used for the actuation to fix suction nozzle (25) of plastic piece (6), suction nozzle (25) are located all sides of shaping groove (23) notch, suction nozzle (25) with the bottom surface actuation of plastic piece (6), be provided with on lower mould (2) and be used for control suction nozzle (25) are in go up mould (3) and lower mould (2) controller (7) of actuation plastic piece (6) when being close to the pressfitting in-process.

2. The molding device for plastic package of earphone as claimed in claim 1, wherein: the lower die (2) is provided with a detection sensor (26) used for detecting the distance between the lower die (2) and the upper die (3), and the detection sensor (26) is electrically connected with the controller (7).

3. The molding device for plastic package of earphone as claimed in claim 1, wherein: the lower die (2) is provided with a positioning rod (24) used for positioning the placement position of the plastic sheet (6), the positioning rod (24) is positioned on the peripheral side of the forming groove (23), and the positioning rod (24) is in butt fit with the side wall of the plastic sheet (6).

4. The molding device for plastic package of earphone as claimed in claim 1, wherein: be provided with on lower mould (2) and become one-tenth base (22), shaping groove (23) are located become the orientation of base (22) go up one side of mould (3), frame (1) is provided with air jet (8) that are used for making plastic piece (6) and lower mould (2) drawing of patterns, the inner wall in shaping groove (23) be provided with air jet (210) of air jet (8) intercommunication.

5. The molding device for plastic package case of earphone as claimed in claim 4, wherein: be provided with montant (9) on frame (1), lower mould (2) with montant (9) are slided and are connected, be provided with on lower mould (2) and be used for control jet-propelled travel switch (211) of jet-propelled (8), be provided with on montant (9) and be used for triggering lug (91) of travel switch (211), lug (91) with travel switch (211) butt cooperation, travel switch (211) with jet-propelled (8) electric connection.

6. The molding device for plastic package case of earphone as claimed in claim 4, wherein: go up to be provided with on mould (3) and be used for pressing fixed briquetting (31) of holding fixed plastic piece (6), fixed briquetting (31) press hold in the week side of plastic piece (6), shaping seat (22) surface seted up with fixed indent (27) of fixed briquetting (31) looks adaptation.

7. The molding device for plastic package of earphone as claimed in claim 1, wherein: and a cooling water pipe (28) for cooling the plastic sheet (6) is arranged in the lower die (2), and the cooling water pipe (28) surrounds the wall of the forming groove (23).

8. The molding device for plastic package of earphone as claimed in claim 1, wherein: the molding seats (22) on the lower die (2) are multiple, and the molding seats (22) are arranged in parallel.