CN211363441U

CN211363441U - Production equipment for hot-press molding high-temperature-resistant functional film of composite material of rear cover of smart phone

Info

Publication number: CN211363441U
Application number: CN201921485719.3U
Authority: CN
Inventors: 梁瓒伦
Original assignee: Guangdong Donlee New Materials Technology Lncorporated Co
Current assignee: Guangdong Donlee New Materials Technology Lncorporated Co
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-08-28
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a production device for a high-temperature resistant functional film formed by hot-press molding of a composite material of a rear cover of a smart phone, an L-shaped support platform I and an L-shaped support platform II are respectively arranged on two sides of the table top of the workbench, a connecting platform is arranged between the L-shaped support platform I and the L-shaped support platform II, an inverted cylinder is fixedly arranged in the middle of the table top of the connecting table, a piston rod of the cylinder penetrates through the table top of the connecting table and is fixedly connected with the top surface of the upper mold cavity below the connecting table, a lower die cavity is arranged right below the upper die cavity, the lower die cavity is fixedly arranged on the table top of the workbench, and a protective film is arranged on the surface of the lower die cavity, the protective film and the composite board of the rear cover of the mobile phone are molded by high pressure forming or hot bending forming, preheating at high pressure of 130-140 ℃/5min, heating the die to 160 ℃, and then instantly molding, wherein the viscosity is 100 +/-30 g/25 mm; the high temperature resistance is 200 ℃/3Hrs, the viscosity increase of the protective film is less than 30 percent, no residue is left after tearing, and the surface energy of the attached object is less than 2 dyn.

Description

Production equipment for hot-press molding high-temperature-resistant functional film of composite material of rear cover of smart phone

Technical Field

The utility model belongs to the technical field of mobile phone parts; in particular to production equipment for a high-temperature resistant functional film formed by hot-press molding of a composite material of a rear cover of a smart phone.

Background

The rear cover of the existing mobile phone shell only plays a role in protecting and covering the structure, and is not fully utilized. Although some manufacturers win the market for customers and often achieve the purpose of new models by changing the shape or size of the mobile phone shell, the durability and the aesthetic degree of the idle mobile phone rear cover protective film are generally ignored.

In the related art, in the processing process of the protective film of the rear cover of the mobile phone, the rear cover of the mobile phone is not completely attached to the protective film, so that the integral sense and the stereoscopic impression of the rear cover of the mobile phone are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lid combined material hot briquetting is high temperature resistant function membrane's production facility behind smart mobile phone to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a production facility of lid combined material hot briquetting high temperature resistant function membrane behind smart mobile phone, includes the workstation, the mesa both sides of workstation are provided with L type brace table one and L type brace table two respectively, be provided with through the motor mount pad on the mesa of L type brace table one and rotate motor one, the output fixedly connected with screw rod one that rotates motor one, and have nut seat one through threaded connection on screw rod one, be provided with through the motor mount pad on the mesa of L type brace table two and rotate motor two, the output fixedly connected with screw rod two that rotates motor two, and have nut seat two through threaded connection on screw rod two, through being connected a fixed connection between nut seat one and the nut seat two.

As a further aspect of the present invention: the fixed cylinder of invering that is provided with of mesa intermediate position of connecting the platform, the piston rod of cylinder runs through the mesa of connecting the platform and the top surface fixed connection who is connected the last die cavity of platform below, it is provided with down the die cavity to go up under the die cavity, down the fixed mesa that is provided with the workstation of die cavity is last, and is provided with the protection film on the surface of die cavity down, the fixed heating cabinet that is provided with on the bottom surface of workstation, and the inside of die cavity is provided with the heat-conducting plate under, the heating cabinet passes through wire electric connection with the inside heat-conducting plate of die cavity down.

As a further aspect of the present invention: the first L-shaped support platform and the second L-shaped support platform are completely consistent, and the first L-shaped support platform and the second L-shaped support platform are axially symmetrical in the vertical direction relative to the workbench. .

As a further aspect of the present invention: the type of the first rotating motor is completely consistent with that of the second rotating motor, the first rotating motor and the second rotating motor rotate at the same speed and in the same direction, the first screw connected with the output end of the first rotating motor is completely consistent with the second screw connected with the output end of the first nut seat and the output end of the second rotating motor, and the heights of the first nut seat and the second nut seat in the horizontal direction are consistent.

As a further aspect of the present invention: and guide rods are vertically arranged on two sides of the top surface of the upper die cavity respectively, and guide holes matched with the guide rods are formed in two sides of the table top of the connecting table.

As a further aspect of the present invention: the protection film is three layer construction from top to bottom is PET substrate membrane, ya keli sub-sensitive adhesive and PET release film in proper order.

The utility model has the advantages that: the protective film is made of a PET substrate film, acrylic-sensitive adhesive and a PET release film, and the protective film and the composite board of the rear cover of the mobile phone are formed in a high-pressure mode or a hot bending mode, namely, the protective film and the composite board of the rear cover of the mobile phone are pre-heated at a high pressure of 130-140 ℃/5min, the temperature rises along with the time to form the whole process, and the hot bending process comprises the following steps: 160 ℃/5min, instantly forming after the mould is heated to 160 ℃, and the viscosity is 100 +/-30 g/25 mm; the high temperature resistance is 200 ℃/3Hrs, the viscosity of the protective film is increased by less than 30 percent, no residue is left after tearing, and the surface energy of the attached object is less than 2dyn, so that the durability and the aesthetic measure of the rear cover of the mobile phone are improved, and the integral sense and the stereoscopic impression of the rear cover of the mobile phone are improved.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is an overall structure schematic diagram of production equipment for a high-temperature-resistant functional film formed by hot-press molding of a composite material of a rear cover of a smart phone.

Fig. 2 is a schematic structural diagram of a connecting table of production equipment for hot-press forming of a high-temperature-resistant functional film by using a composite material of a rear cover of a smart phone.

Fig. 3 is a schematic diagram of a protective film structure of production equipment for hot-press forming of a high-temperature-resistant functional film by using a composite material for a rear cover of a smart phone.

In the figure: the device comprises a workbench 1, an L-shaped support platform I2, a nut seat I3, a rotating motor I4, a screw rod I41, an L-shaped support platform II 5, a nut seat II 6, a rotating motor II 7, a screw rod II 71, a connecting platform 8, an air cylinder 9, a guide rod 10, an upper die cavity 11, a heating box 12, a heat conducting plate 13, a lower die cavity 14, a protective film 15, a PET substrate film 151, acrylic heat-sensitive adhesive 152, a PET release film 153 and a guide block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in the embodiment of the utility model, an in the embodiment of the utility model, a production facility of lid combined material hot briquetting high temperature resistant function membrane behind smart mobile phone, including workstation 1, the mesa both sides of workstation 1 are provided with L type brace table one 2 and L type brace table two 5 respectively, be provided with on the mesa of L type brace table one 2 through the motor mount pad and rotate motor one 4, the output end fixedly connected with screw rod one 41 of rotation motor one 4, and have nut seat one 3 through threaded connection on screw rod one 41, be provided with through the motor mount pad on the mesa of L type brace table two 5 and rotate motor two 7, the output end fixedly connected with screw rod two 71 of rotation motor two 7, and have nut seat two 6 through threaded connection on screw rod two 71, through being connected platform 8 fixed connection between nut seat one 3 and the nut seat two 6, realize nut seat one 3 and nut seat two 6 at the spiral shell through rotating motor one 4 and rotating motor two 7 output effect The first rod 41 and the second screw 71.

Connect the fixed cylinder 9 that is provided with the inversion of mesa intermediate position of platform 8, the piston rod of cylinder 9 runs through the mesa of connecting platform 8 and the top surface fixed connection of last die cavity 11 of being connected the platform 8 below, upward be provided with die cavity 14 under die cavity 11, on die cavity 14 is fixed to be provided with the mesa of workstation 1 down, and be provided with protection film 15 on die cavity 14's surface down, the fixed heating cabinet 12 that is provided with on the bottom surface of workstation 1, and be provided with heat-conducting plate 13 in die cavity 14's inside down, heating cabinet 12 passes through wire electric connection with the inside heat-conducting plate 13 of die cavity 14 down, realizes the heating to die cavity 14 down through heating plate 13, accomplishes the hot briquetting processing of die cavity 14 to protection film and cell-phone back cover down.

The L-shaped support table I2 and the L-shaped support table II 5 are completely consistent, the L-shaped support table I2 and the L-shaped support table II 5 are axially symmetrical in the vertical direction relative to the workbench 1, the types of the rotating motor I4 and the rotating motor II 7 are completely consistent, the rotating motor I4 and the rotating motor II 7 rotate at the same speed and in the same direction, the screw rod I41 connected with the output end of the rotating motor I4 and the screw rod II 71 connected with the output end of the nut seat I3 and the output end of the rotating motor II 7 are completely consistent with the nut seat II 6, the height of the nut seat I3 and the height of the nut seat II 6 in the horizontal direction are consistent, and synchronous movement of the nut seat I3 and the nut seat II 6 is achieved.

The two sides of the top surface of the upper die cavity 11 are respectively vertically provided with a guide rod 10, and the two sides of the table surface of the connecting table 8 are provided with guide holes 16 matched with the guide rods 10, so that the connecting table 8 can move more stably in the vertical direction.

The protection film 15 is three layer construction from top to bottom is PET substrate film 151, ya keli sub-sensitive adhesive 152 and PET release film 153 in proper order.

The working principle is as follows: the protective film 15 is placed on the lower die cavity 14, the first screw rod 41 is driven to rotate by rotating the first motor 4, the second screw rod 71 is driven to rotate by rotating the second motor 7, the first nut seat 3 and the second nut seat 6 drive the upper die cavity 11 on the connecting table 8 to move downwards, the upper die cavity 11 and the lower die cavity 14 realize hot press forming processing of the protective film 15 and the rear cover of the mobile phone, namely, the heat conduction plate 13 is controlled by the heating box 12 to keep the internal temperature of the lower die cavity 14 at 130-140 ℃/5min for preheating, when the temperature rises to 160 ℃ along with the time, the cylinder 9 drives the piston rod to further push the upper die cavity 11, so that the protective film 15 and the rear cover of the mobile phone are formed instantly, and the whole hot press forming process.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a lid combined material hot briquetting high temperature resistant function membrane's production facility behind smart mobile phone which characterized in that: the automatic screw-driving mechanism comprises a workbench (1), wherein an L-shaped supporting table I (2) and an L-shaped supporting table II (5) are respectively arranged on two sides of a table top of the workbench (1), a rotating motor I (4) is arranged on the table top of the L-shaped supporting table I (2) through a motor mounting seat, the output end of the rotating motor I (4) is fixedly connected with a screw rod I (41), a nut seat I (3) is connected onto the screw rod I (41) through threads, a rotating motor II (7) is arranged on the table top of the L-shaped supporting table II (5) through the motor mounting seat, the output end of the rotating motor II (7) is fixedly connected with a screw rod II (71), the nut seat II (6) is connected onto the screw rod II (71) through threads, and the nut seat I (3) and the nut seat II (6) are fixedly connected through a connecting table (;

the fixed cylinder (9) of invering that is provided with of mesa intermediate position of connecting platform (8), the piston rod of cylinder (9) runs through the mesa of connecting platform (8) and the top surface fixed connection of last die cavity (11) of being connected platform (8) below, be provided with down die cavity (14) under last die cavity (11), on die cavity (14) fixed mesa that is provided with workstation (1) down, and be provided with protection film (15) on the surface of die cavity (14) down, fixed heating cabinet (12) that is provided with on the bottom surface of workstation (1), and be provided with heat-conducting plate (13) in the inside of die cavity (14) down, heating cabinet (12) pass through wire electric connection with heat-conducting plate (13) of die cavity (14) inside down.

2. The production equipment of the high-temperature-resistant functional film formed by hot-pressing the composite material of the rear cover of the smart phone according to claim 1, wherein the first L-shaped support platform (2) is completely consistent with the second L-shaped support platform (5), and the first L-shaped support platform (2) and the second L-shaped support platform (5) are axially symmetrical with respect to the workbench (1) in the vertical direction.

3. The production equipment of the composite material hot-press forming high-temperature-resistant functional film for the rear cover of the smart phone according to claim 1, wherein the models of the first rotating motor (4) and the second rotating motor (7) are completely the same, the first rotating motor (4) and the second rotating motor (7) rotate at the same speed and in the same direction, the first screw (41) connected to the output end of the first rotating motor (4) and the second screw (71) connected to the output ends of the first nut seat (3) and the second rotating motor (7) are completely the same as each other as the second nut seat (6), and the first nut seat (3) and the second nut seat (6) are identical in height in the horizontal direction.

4. The production equipment of the high-temperature-resistant functional film formed by hot-press molding the composite material of the rear cover of the smart phone according to claim 1, wherein guide rods (10) are respectively vertically arranged on two sides of the top surface of the upper mold cavity (11), and guide holes (16) matched with the guide rods (10) are formed in two sides of the table top of the connecting table (8).

5. The production equipment of the high-temperature-resistant functional film formed by hot-press molding the composite material of the rear cover of the smart phone according to claim 1, wherein the protective film (15) is of a three-layer structure and sequentially comprises a PET substrate film (151), acrylic-based acrylic adhesive (152) and a PET release film (153) from top to bottom.