Hot bending forming device for mobile phone tempered film

Abstract

The utility model discloses a mobile phone tempered film hot bending forming device which comprises a base and a supporting frame installed on the base, lower dies are installed on the two sides of the top of the base, and forming grooves are formed in the tops of the lower dies; a driving assembly is arranged at the top of one side of the supporting frame, the driving assembly comprises a servo motor, a lead screw and a limiting sliding block, the servo motor is installed on the side wall of the supporting frame, the upper mold can be matched with the two lower molds at the same time through movement of the upper mold, the two lower molds can alternately achieve placement of a tempered film, and therefore the tempered film can be conveniently placed. The upper mold can continuously carry out hot bending forming on the tempered film in the two lower molds, in this way, the hot bending forming efficiency of the tempered film can be greatly improved, time delayed when the tempered film is taken and placed is avoided, the two lower molds are alternately matched with the upper mold to work, the situation that the hands of a worker are placed below the upper mold, and the working efficiency of the tempered film is greatly improved can be avoided. Therefore, dangerous accidents are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of mobile phone toughened film, concretely to a hot bending forming device of mobile phone toughened film. BACKGROUND

[0002] Mobile phone toughened film is a kind of high-end protective film for protecting mobile phone screen, has the characteristics such as scratch resistance, drop resistance, explosion-proof, it is usually made of toughened glass, can cover the original screen, prevent external damage and scratch, and increase the impact absorption, more durable than traditional PET film.

[0003] With the development of science and technology, mobile phone screen appears curved screen, therefore, the market also appears the toughened film with the arc of two long edges, namely curved screen mobile phone toughened film, wants the mobile phone toughened film to have certain arc, needs to use the hot bending forming device of mobile phone toughened film.

[0004] As the public patent of our country, application number CN201721834262.3, a kind of mobile phone toughened film hot bending machine, the mentioned " including the base of being equipped with support leg, the base is equipped with lower pressing mould, the upper surface of lower pressing mould is equipped with the upper pressing mould of opposite distribution, the two sides of upper pressing mould are equipped with the upper arc portion of outer convex, the lower pressing mould is equipped with the lower arc portion of inner concave corresponding with upper arc portion, the utility model has the advantages of simple structure, convenient to use, after extrusion forming, it is automatically ejected by top block, effectively solve the technical problems that the mobile phone film hot bending machine of prior art exists easy breakage and inconvenient to use".

[0005] In the above-mentioned patent, after the forming of toughened glass, the formed toughened glass is taken out by automatic ejection, this mode can play a certain effect, but we find that the technology still has certain defects in specific simulation use:

[0006] On the one hand, since the moving distance of top block is limited, when the toughened film is ejected, the toughened film can only move a short distance upward in the lower arc portion of lower pressing mould, so that the toughened film still exists in the lower arc portion when taking out, causing the inconvenience of taking out by workers, and when taking and placing the toughened film, there is also the risk of being pressed by upper pressing mould, on the other hand, when the next piece of toughened glass film needs to be hot bending formed, the toughened film that has completed hot bending forming in lower pressing mould needs to be taken out first, and then the new toughened film is placed, which undoubtedly will consume more time to wait for the completion of the forming of the previous toughened film, and will reduce the hot bending forming efficiency of toughened film. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a technical scheme that can solve the above problems to overcome the above-mentioned shortcomings.

[0008] To achieve the above object, the utility model provides following technical scheme: a kind of hot bending forming device of cell -phone toughened film, including base and support frame being installed on base, the top of the base is equipped with lower mould on both sides, the top of the lower mould is equipped with forming groove;The top of one side of the support frame is provided with drive assembly, and the drive assembly includes servo motor, screw rod and limit sliding block, the servo motor is installed on the side wall of support frame, the power output shaft of the servo motor is movably penetrated through support frame and is connected with screw rod, the limit sliding block is threadedly sleeved on screw rod, the inner top wall of the support frame is equipped with limit sliding slot for facilitating limit sliding block to be inserted and slide;The bottom of the limit sliding block is equipped with cylinder, the power output shaft of the cylinder is equipped with upper mould, and the bottom of the upper mould is integrally formed with forming block.

[0009] As a further scheme of the utility model: the forming groove includes two long sides and two short sides, the inner wall of the two long sides of the forming groove is designed as a circular arc structure, and a closed groove is formed at the four corners of the inner wall of the forming groove.

[0010] As a further scheme of the utility model: the forming block includes two long sides and two short sides, the two long sides of the forming block are designed as a circular arc structure, an electric heating plate is installed in the forming block, and the forming block is matched with the forming groove.

[0011] As a further scheme of the utility model: the outer side of the two long sides of the lower mould is equipped with a positioning groove, the top of the two long sides of the upper mould is fixed with a positioning block, and the positioning block is matched with the positioning groove.

[0012] As a further scheme of the utility model: when the limit sliding block is attached to the right side of the inner wall of the limit sliding groove, the upper mould corresponds to the lower mould on the right side of the top of the base, and when the limit sliding block is attached to the left side of the inner wall of the limit sliding groove, the upper mould corresponds to the lower mould on the left side of the top of the base.

[0013] As a further scheme of the utility model: a storage groove is further formed in the inner cavity of the base and at the position between the bottoms of the two cavities, and a closing door is arranged on the front surface of the base to cover the cavity and the storage groove.

[0014] As a further scheme of the utility model: a cavity is formed in the inner cavity of the base and at the position corresponding to the two lower moulds, an electric telescopic rod is installed on the inner bottom wall of the cavity, and a limit plate is slidably connected to the inner wall of the cavity and is installed on the power output shaft of the electric telescopic rod.

[0015] As a further scheme of the utility model: limit rods are fixed to the top four corners of the limit plate, the top of the limit rod is movably penetrated through the base and the lower mould and is fixed with an ejection block, and the ejection block is placed in the closed groove and is in the same plane with the inner bottom wall of the forming groove.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] I. In the application, through the design of the base, the two lower molds, the support frame, the upper mold and the driving assembly and the like structure, in the specific operation, the activity of the upper mold can be used to adapt to the two lower molds at the same time, the two lower molds can alternately realize the placement of the tempered film, the upper mold can uninterruptedly heat-bend and form the tempered film in the two lower molds, this way can greatly improve the heat-bend forming efficiency of the tempered film, avoid the time wasted when taking and placing the tempered film, and the two lower molds alternately cooperate with the upper mold, the taking and placing of the tempered film can be carried out on the lower mold which is not working, so as to avoid the hands of the staff from being placed below the upper mold, thereby avoiding the occurrence of dangerous accidents.

[0018] II. In the application, through the design of the cavity, the electric telescopic rod, the limiting plate, the limiting rod and the ejection block and the like structure, the tempered film can be completely ejected from the forming groove by starting the electric telescopic rod, the plane of the tempered film can be higher than the lower mold, so as to facilitate the staff to take down the heat-bend formed tempered film from the lower mold, and improve the replacement efficiency of the tempered film. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the overall front cross-sectional structure schematic diagram of the utility model;

[0021] Figure 3 It is the three-dimensional structure schematic diagram of the lower mold of the utility model;

[0022] Figure 4 It is the three-dimensional structure schematic diagram of the bottom structure of the upper mold of the utility model;

[0023] Figure 5 It is the three-dimensional structure schematic diagram of the limiting plate of the utility model.

[0024] The reference signs and names in the drawings are as follows:

[0025] 1, base; 2, lower mold; 201, forming groove; 2011, closing groove; 202, positioning groove; 3, support frame; 301, limiting sliding groove; 4, driving assembly; 401, servo motor; 402, screw rod; 403, limiting sliding block; 5, upper mold; 501, forming block; 5011, electric heating plate; 502, positioning block; 6, closing door; 7, ejection block; 8, limiting rod; 9, limiting plate; 10, air cylinder; 11, storage groove; 12, cavity; 13, electric telescopic rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5 A kind of hot bending forming device of cell phone toughening film, including base 1 and support frame 3 being installed on base 1, the top of base 1 both sides are equipped with lower mould 2, and the top of lower mould 2 is equipped with forming groove 201;The top of one side of support frame 3 is provided with drive assembly 4, and drive assembly 4 includes servo motor 401, screw rod 402 and limit sliding block 403, servo motor 401 is installed on the side wall of support frame 3, the power output shaft of servo motor 401 is movably penetrated through support frame 3 and is connected with screw rod 402, and limit sliding block 403 is threadedly sleeved on screw rod 402, and the inner top wall of support frame 3 is equipped with limit sliding slot 301 for facilitating limit sliding block 403 to be inserted and slide;Limit sliding block 403 is equipped with air cylinder 10 on the bottom, and air cylinder 10 is equipped with upper mould 5 on the power output shaft, and upper mould 5 is integrally formed with forming block 501 on the bottom.

[0028] Please refer to Figures 2-4 In the embodiment, forming groove 201 includes two long edges and two short edges, the inner wall of the two long edges of forming groove 201 is designed as a circular arc structure, and closed grooves 2011 are formed at the four corners of the inner wall of forming groove 201;Forming block 501 includes two long edges and two short edges, the two long edges of forming block 501 are designed as a circular arc structure, an electric heating plate 5011 is installed in the interior of forming block 501, and forming block 501 is adapted to forming groove 201.

[0029] Specifically, the inner wall of the two long edges of forming groove 201 is designed as a circular arc structure, and the two long edges of forming block 501 are designed as a circular arc structure, so that the hot bending forming of the toughening film can be performed at this position, so that the two long edges of the toughening film have a certain curvature, which can adapt to the curved mobile phone screen on the market, and the electric heating plate 5011 can heat forming block 501 after being powered on, so as to meet the hot bending demand of the toughening film.

[0030] Please refer to Figures 2-3 In the embodiment, the outer side of the two long edges of lower mould 2 is equipped with positioning groove 202, and the top of the two long edges of upper mould 5 is fixed with positioning block 502, and positioning block 502 is adapted to positioning groove 202.

[0031] Specifically, when the upper mold 5 is closed with the lower mold 2, the positioning block 502 can be placed into the positioning groove 202, thereby ensuring the alignment and closure of the upper mold 5 and the lower mold 2, and ensuring the stability of the upper mold 5 and the lower mold 2 after being closed.

[0032] Please refer to Figure 2 In the embodiment, when the limiting sliding block 403 is attached to the right side of the inner wall of the limiting sliding groove 301, the upper mold 5 corresponds to the lower mold 2 on the right side of the top of the base 1; when the limiting sliding block 403 is attached to the left side of the inner wall of the limiting sliding groove 301, the upper mold 5 corresponds to the lower mold 2 on the left side of the top of the base 1.

[0033] Specifically, the limiting sliding block 403 can not only drive the upper mold 5 to move, but also limit the moving position of the upper mold 5, that is, when the limiting sliding block 403 is located on both sides of the inner wall of the limiting sliding groove 301, the upper mold 5 at the bottom of the limiting sliding block 403 can be located above the two lower molds 2 respectively, thereby quickly realizing the position correspondence with the lower mold 2 and facilitating direct work.

[0034] Please refer to Figures 1-2 In the embodiment, the inner cavity of the base 1 and the position at the bottom of the two cavities 12 are also provided with a storage groove 11, and the front surface of the base 1 is provided with a closing door 6 for shielding the cavities 12 and the storage groove 11.

[0035] Specifically, the storage groove 11 can facilitate the storage of tools by the staff, and the closing door 6 can realize the closure of the cavities 12 and the storage groove 11.

[0036] Please refer to Figure 2 and Figure 5 In the embodiment, the inner cavity of the base 1 and the position corresponding to the two lower molds 2 are both provided with a cavity 12, the inner bottom wall of the cavity 12 is installed with an electric telescopic rod 13, the power output shaft of the electric telescopic rod 13 is installed with a limiting plate 9 slidingly connected to the inner wall of the cavity 12; the top four corners of the limiting plate 9 are fixed with limiting rods 8, the top of the limiting rods 8 is movably penetrated through the base 1 and the lower mold 2 and is fixed with an ejection block 7, the ejection block 7 is placed in the closing groove 2011 and is in the same plane with the inner bottom wall of the forming groove 201.

[0037] Specifically, after the electric telescopic rod 13 is started, the power output shaft can drive the limiting plate 9 to move in the inner wall of the cavity 12, thereby driving the limiting rods 8 and the ejection block 7 to move, when the top of the limiting plate 9 contacts with the inner top wall of the cavity 12, the top of the ejection block 7 is in the same plane with the top of the lower mold 2, thereby facilitating the complete ejection of the tempered film, when the power output shaft of the electric telescopic rod 13 is retracted to the initial position, the ejection block 7 is placed in the closing groove 2011 and is in the same plane with the inner bottom wall of the forming groove 201, thereby ensuring the flatness of the inner bottom wall of the forming groove 201.

[0038] In use:

[0039] The staff first put two tempered glass films to be hot-bent into shape in two lower molds 2, then start the air cylinder 10 and the electric heating plate 5011, the electric heating plate 5011 heats the forming block 501, the power output shaft of the air cylinder 10 drives the upper mold 5 to descend and gradually approaches the lower mold 2 until the forming block 501 is placed in the forming groove 201, and the hot-bending forming of the tempered glass film is completed, when the hot-bending forming of the tempered glass film in the lower mold 2 is completed, the air cylinder 10 is started to retract the upper mold 5, and the servo motor 401 is started, the upper mold 5 is driven to the upper side of the other lower mold 2 through the rotation of the lead screw 402, and the air cylinder 10 is started to push the upper mold 5 to descend, and the hot-bending forming of the tempered glass film in the other lower mold 2 is carried out;

[0040] When the upper mold 5 is in operation of hot-bending forming the tempered glass film in the other lower mold 2, the upper side of the lower mold 2 in which the hot-bending forming of the tempered glass film is completed is not provided with the upper mold 5, so the electric telescopic rod 13 can be started, the power output shaft of the electric telescopic rod 13 is extended to push the limit plate 9 up, thereby pushing the limit rod 8 and the ejection block 7 up, when the ejection block 7 is up, the hot-bent tempered glass film in the upper mold 5 can be pushed out and continuously pushed to be higher than the top surface of the lower mold 2, finally the staff can easily take the hot-bent tempered glass film from the lower mold 2, finally the ejection block 7 is closed in the closing groove 2011 again through the retraction of the electric telescopic rod 13, the new tempered glass film to be hot-bent into shape is put in, and the hot-bending forming of the tempered glass film in the other lower mold 2 is waited to be completed, so the cycle can be realized, the hot-bending forming of the tempered glass film by the two lower molds 2 is alternated, the tempered glass film is more convenient to take and change, after the hot-bending forming of the tempered glass film by one lower mold 2 is completed, the hot-bending forming of the tempered glass film by the other lower mold 2 can be immediately carried out, so the time is not wasted, and the staff's hands are not located below the upper mold 5 when the tempered glass film is taken and changed, so the accident is avoided.

[0041] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather that it can be implemented in other embodiments without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No limitation is intended to the details of the illustrated embodiments which can include known components or steps not specifically recited herein.

Claims

1. A hot bending forming device for a cell phone tempered film, characterized in that, Including base (1) and install on base (1) support frame (3), the top of base (1) both sides are equipped with lower mould (2), the top of lower mould (2) is equipped with forming groove (201); The top of one side of support frame (3) is provided with drive assembly (4), drive assembly (4) includes servo motor (401), screw rod (402) and limit sliding block (403), servo motor (401) is installed on the side wall of support frame (3), the power output shaft of servo motor (401) is movably penetrated through support frame (3) and is connected with screw rod (402), limit sliding block (403) is threadedly sleeved on screw rod (402), the inner top wall of support frame (3) is equipped with limit sliding slot (301) for facilitating limit sliding block (403) to be inserted and slide; The bottom of limit sliding block (403) is installed with air cylinder (10), the power output shaft of air cylinder (10) is installed with upper mould (5), the bottom of upper mould (5) is integrally formed with forming block (501).

2. The hot bending forming device for cell phone tempered film according to claim 1, characterized in that, The forming groove (201) includes two long edges and two short edges, the inner walls of the two long edges of the forming groove (201) are designed as arc structures, and closed grooves (2011) are formed at the four corners of the inner walls of the forming groove (201).

3. The apparatus for hot bending forming of a cell phone tempered film according to claim 1, wherein, The forming block (501) includes two long edges and two short edges, the two long edges of the forming block (501) are designed as arc structures, an electric heating plate (5011) is installed in the forming block (501), and the forming block (501) is matched with the forming groove (201).

4. The apparatus for hot bending forming of a cell phone tempered film according to claim 1, wherein, The outer sides of the two long edges of the lower mould (2) are provided with positioning grooves (202), and the top of the two long edges of the upper mould (5) is fixed with positioning blocks (502), which are matched with the positioning grooves (202).

5. The apparatus for hot bending forming of a cell phone tempered film according to claim 1, wherein, When the limit sliding block (403) is attached to the right side of the inner wall of the limit sliding slot (301), the upper mould (5) corresponds to the lower mould (2) on the right side of the top of the base (1), and when the limit sliding block (403) is attached to the left side of the inner wall of the limit sliding slot (301), the upper mould (5) corresponds to the lower mould (2) on the left side of the top of the base (1).

6. The apparatus for hot bending forming of a cell phone tempered film according to claim 1, wherein, The inner cavity of the base (1) and the position at the bottom of the two cavities (12) are also provided with a storage groove (11), and the front of the base (1) is provided with a closing door (6) for shielding the cavities (12) and the storage groove (11).

7. The apparatus for hot bending forming of a cell phone tempered film according to claim 1, wherein, The inner cavity of the base (1) and the position corresponding to the two lower moulds (2) are provided with cavities (12), the inner bottom wall of the cavity (12) is provided with an electric telescopic rod (13), and the power output shaft of the electric telescopic rod (13) is provided with a limit plate (9) slidably connected to the inner wall of the cavity (12).

8. The apparatus for hot bending forming of a cell phone tempered film according to claim 7, wherein, The top of the limit plate (9) is fixed with a limit rod (8), the top of the limit rod (8) is movably penetrated through the base (1) and the lower mould (2) and is fixed with an ejection block (7), the ejection block (7) is placed in the closed groove (2011) and is in the same plane with the inner bottom wall of the forming groove (201).

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