Flocking equipment and flocking process for mobile phone accessory shell

Abstract

The mobile phone accessory shell flocking equipment comprises a plasma surface treatment machine, an annular spraying machine, a glue spraying machine, a flocking machine and a baking machine, the plasma surface treatment machine is provided with a portal frame, a plasma spraying head is installed on the portal frame, a plurality of rotating clamping seats are installed on the annular spraying machine, and a plurality of rotating clamping seats are installed on the rotating clamping seats. A position adjusting support set is installed in the middle of the annular spraying machine, a spraying head is installed on the position adjusting support set, a glue spraying head is installed on the glue spraying machine through an air cylinder, a clamp is placed below the glue spraying head, the flocking machine conducts electrostatic flocking on the surface of the mobile phone accessory shell obtained after glue spraying, and the baking machine conducts shaping and drying on fluff on the surface of the mobile phone accessory shell. The flocking process can add texture to the mobile phone accessory shell, improve the visual effect, meet the individual requirements of consumers, prevent the back of the mobile phone from being scratched, provide a certain buffering effect and reduce the impact on the mobile phone when the mobile phone falls, and the periphery of the lens hole of the mobile phone accessory shell is flocked to protect the lens of the mobile phone.

Description

Technical Field

[0001] The invention relates to the technical field of flocking of mobile phone accessory shells, in particular to a flocking device and a flocking process for mobile phone accessory shells. Background Art

[0002] Mobile phone cases protect and decorate mobile phones. They can prevent drops, scratches, water, and shocks, reducing the risk of damage to the phone. They can also show the user's style through patterns, materials or customized designs, becoming a fashion accessory.

[0003] In related technology, the protective performance of ordinary phone cases varies depending on the material. When a phone is hit, the back of the phone is less cushioned and more susceptible to damage. For phones with protruding camera bumps, ordinary phone cases without specialized designs are more likely to cause the camera to rub against the surface when placed, causing scratches. Some ordinary phone case materials, such as PC, lack sufficient hardness and are easily scratched. Their smooth surfaces are prone to staining and yellowing. The manufacturing process of ordinary phone cases often has a pronounced mold line, affecting the overall aesthetics and feel. Therefore, it is necessary to optimize the phone case processing process. Summary of the Invention

[0004] The purpose of the present invention is to provide a mobile phone accessory shell flocking device and flocking process to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: a mobile phone accessory case flocking device, characterized in that it includes a plasma surface treatment machine, the plasma surface treatment machine having a gantry, the gantry being equipped with a plasma nozzle, the plasma being able to remove impurities such as oil, dust, etc. on the surface of the mobile phone accessory case, while activating the surface, creating favorable conditions for subsequent processes. The plasma nozzle on the gantry can comprehensively and evenly treat the surface of the mobile phone accessory case;

[0006] Annular sprayer, the annular sprayer is equipped with several rotating clamps, the middle of the annular sprayer is equipped with a positioning bracket group, the positioning bracket group is equipped with a spray head, which can realize multi-angle spraying, make the spraying more uniform, avoid the occurrence of spraying dead angles, and improve the spraying quality;

[0007] Glue spraying machine, the glue spraying machine is installed with a glue spraying head through a cylinder, and a clamp is placed under the glue spraying head to achieve precise control of the glue spraying amount, ensuring that the glue spraying amount on the surface of each mobile phone accessory shell is uniform, avoiding poor flocking effect caused by too much or too little glue;

[0008] The flocking machine electrostatically flocks the surface of the mobile phone accessory shell after the glue is sprayed. The electrostatic flocking technology can make the flock evenly adhere to the surface of the mobile phone accessory shell after the glue is sprayed under the action of the electrostatic field. The flocking effect is more delicate and uniform, and the adhesion of the flock is stronger and it is not easy to fall off.

[0009] The baking machine is used to shape and dry the flock on the surface of the mobile phone accessory case, so that the flock is firmly attached to the surface of the mobile phone accessory case, thereby avoiding the flock from falling off or deforming due to untimely drying, and ensuring the stability of the flocking effect.

[0010] Furthermore, the plasma surface treatment machine, glue spraying machine, flocking machine, and baking machine are all equipped with conveyors, which facilitates the assembly line processing of the mobile phone accessory shell and increases the production speed.

[0011] Furthermore, the rotating clamp includes a support rod with a support ring, a placement plate is sleeved on the support rod, and a limit seat corresponding to the mobile phone accessory shell is provided on the placement plate. The placement plate can be rotated to place the mobile phone accessory shell in the limit seat, and the airflow of the annular sprayer is used to push the mobile phone accessory shell to rotate, thereby achieving uniform spraying of the mobile phone accessory shell.

[0012] Furthermore, the position adjustment bracket group includes a column, the column is connected to a cross bar through a cross clamp block, and the spray head is connected to the cross bar through a single clamp block, so the position of the spray head can be flexibly adjusted and is easy to use.

[0013] Furthermore, a hot air blower is installed on the upper surface of the baking machine, an air inlet of the hot air blower is installed with an air intake box, and a filter plate is plugged into the air intake box, which can reduce impurities in the fluff and improve the flocking quality.

[0014] A flocking process for a mobile phone accessory shell comprises the following steps:

[0015] S1, the mobile phone accessory shell is placed on the plasma surface treatment machine, and the plasma surface treatment machine removes stains on the surface of the mobile phone accessory shell;

[0016] S2, placing the mobile phone accessory case after cleaning the stains on the ring sprayer, and the ring sprayer sprays the primer on the surface of the mobile phone accessory case;

[0017] S3, putting a fixture on the mobile phone accessory shell and placing it in a glue spraying machine, and the glue spraying machine sprays glue on the surface of the mobile phone accessory shell;

[0018] S4, the mobile phone accessory shell after spraying is sent to the flocking machine, and the flocking machine performs electrostatic flocking on the surface of the mobile phone accessory shell;

[0019] S5, after the flocking is completed on the surface of the mobile phone accessory case, it is sent to a drying machine, and the drying machine shapes and dries the flocking on the surface of the mobile phone accessory case;

[0020] S6, after the flocking on the surface of the mobile phone accessory case is dried, remove the fixture and use a high-pressure air gun to blow off the excess flock.

[0021] Furthermore, the vertical implantation density of the fuzz on the surface of the mobile phone accessory case is greater than 8000 pieces / cm², the fuzz peeling strength is greater than 3N / cm, and the fuzz surface smoothness and color fastness are ≥ level 4.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] (1) The plasma surface treatment machine can effectively remove stains, oil and impurities on the surface of mobile phone accessory shells, activate the surface at the same time, improve the adhesion of subsequent coatings, and make the cleaning method more efficient and thorough. The spraying primer further enhances the bonding ability between the surface of mobile phone accessory shells and glue, ensuring that the glue can be evenly and firmly attached to the surface, thereby improving the durability of the flocking effect.

[0024] (2) Electrostatic flocking can make the fluff adhere vertically and evenly to the surface of the mobile phone accessory shell under the action of the electrostatic field. The baking machine shapes and dries the mobile phone accessory shell after flocking to ensure that the fluff is firmly attached to the surface and avoid the fluff falling off or deforming due to untimely drying, thereby ensuring the quality stability of the product.

[0025] (3) The flocking process can add texture to the mobile phone accessory case, enhance the visual effect, meet consumers' demand for personalization, prevent the back of the mobile phone from being scratched, and provide a certain buffering effect to reduce the impact on the mobile phone when it falls. There is flocking around the lens hole of the mobile phone accessory case to protect the mobile phone lens. The mold line of the flocked mobile phone accessory case is processed more finely and is not easy to detect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the overall device of the present invention;

[0027] Figure 2 A schematic diagram of the connection between the placement plate and the support rods of the present invention;

[0028] Figure 3 A schematic diagram of the connection between the crossbar and the column of the present invention;

[0029] Figure 4 It is a process flow chart of the present invention.

[0030] In the figure: 1. Plasma surface treatment machine; 2. Conveyor; 3. Plasma nozzle; 4. Gantry; 5. Annular sprayer; 7. Placement plate; 8. Limit seat; 9. Support ring; 10. Support rod; 11. Glue sprayer; 12. Cylinder; 13. Glue sprayer; 15. Clamp; 16. Flocking machine; 18. Bake machine; 19. Hot air blower; 20. Air inlet box; 21. Filter plate; 23. Cross bar; 24. Column; 25. Spray head; 26. Cross clamp; 27. Single clamp. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Example:

[0033] See also Figure 1-4 The present invention provides a technical solution: a mobile phone accessory shell flocking device, comprising a plasma surface treatment machine 1, the plasma surface treatment machine 1 having a gantry 4, the gantry 4 being mounted with a plasma nozzle 3, the gantry 4 controlling the left and right movement of the plasma nozzle 3, and the plasma nozzle 3 cleaning the arranged mobile phone shells;

[0034] An annular sprayer 5 is provided with several rotating clamps, a positioning bracket group is provided in the middle of the annular sprayer 5, a spray head 25 is provided on the positioning bracket group, and several rotating clamps are placed on the mobile phone accessory shell. The positioning bracket group enables the spray head 25 to be aligned with the mobile phone accessory shell. The airflow from the spray head 25 causes the mobile phone accessory shell to rotate during the spraying process, thereby achieving comprehensive spraying of the mobile phone accessory shell;

[0035] A glue spraying machine 11 is provided with a glue spraying head 13 mounted on the glue spraying machine 11 via a cylinder 12. A fixture 15 is placed below the glue spraying head 13. The fixture 15 can block areas where glue spraying is not required. The cylinder 12 controls the glue spraying head 13 to move up and down. Another cylinder 12 can also be used to control the glue spraying head 13 to move left and right, making it convenient to spray glue on multiple rows of mobile phone accessory shells.

[0036] The flocking machine 16 performs electrostatic flocking on the surface of the mobile phone accessory shell after the glue is sprayed. The electrostatic flocking makes the flock evenly adhere to the surface, and the flock has stronger adhesion and is not easy to fall off;

[0037] The baking machine 18 is used to shape and dry the fluff on the surface of the mobile phone accessory case, so that the fluff is firmly attached to the surface of the mobile phone accessory case, avoiding the fluff from falling off or deforming due to untimely drying, ensuring the stability of the flocking effect, and fully curing the spray glue and flocking layers, thereby improving the overall quality and durability of the mobile phone accessory case and extending the service life of the flocked mobile phone accessory case.

[0038] In this embodiment, if Figure 1 As shown, the plasma surface treatment machine 1, the glue spraying machine 11, the flocking machine 16, and the baking machine 18 are all equipped with a conveyor 2, which facilitates assembly line processing when processing mobile phone accessory shells and improves the processing efficiency of mobile phone accessory shells.

[0039] In this embodiment, if Figure 2 As shown, the rotating clamp includes a support rod 10, the support rod 10 has a support ring 9, and the support rod 10 is sleeved with a placement plate 7. The placement plate 7 can rotate on the support rod 10, so when the air flow blows the mobile phone accessory shell, the mobile phone accessory shell and the placement plate 7 rotate together, and the rotational spraying of the mobile phone accessory shell can be realized.

[0040] In this embodiment, if Figure 2 As shown, the placement plate 7 is provided with a limiting seat 8 corresponding to the mobile phone accessory shell. The limiting seat 8 can clamp the mobile phone accessory shell to ensure that the mobile phone accessory shell will not fall, thereby improving the stability of the placement of the mobile phone accessory shell.

[0041] In this embodiment, if Figure 3 As shown, the positioning bracket group includes a column 24, the column 24 is connected to the cross bar 23 through a cross clamp 26, and the spray head 25 is connected to the cross bar 23 through a single clamp 27. The spray head 25 can be adjusted up and down, left and right, and rotated. The spray head 25 is flexible and can be accurately aligned with the mobile phone accessory case.

[0042] In this embodiment, if Figure 1 As shown, a hot air blower 19 is installed on the upper surface of the baking machine 18, and an air inlet box 20 is installed at the air inlet of the hot air blower 19. The air inlet box 20 is plugged with a filter plate 21. The filter plate 21 can prevent dust from being sucked into the hot air blower 19. The filter plate 21 can be replaced by pulling and pulling, which is convenient to use and operate.

[0043] A flocking process for mobile phone accessory shells, such as Figure 4 As shown, the following steps are included:

[0044] 1. Place the mobile phone accessory shells on the plasma surface treatment machine 1 and evenly arrange them on the conveyor 2. The plasma surface treatment machine 1 removes stains on the surface of the mobile phone accessory shells. The conveyor 2 slowly transports the mobile phone accessory shells to the bottom of the plasma nozzle 3. The gantry 4 drives the plasma nozzle 3 to move left and right to clean all the mobile phone accessory shells.

[0045] 2. After cleaning the stains, the mobile phone accessory case is placed on the annular sprayer 5. The annular sprayer 5 sprays the primer on the surface of the mobile phone accessory case. The annular sprayer 5 drives the mobile phone accessory case to pass through the spray head 25 in sequence. The airflow and primer sprayed by the spray head 25 make the mobile phone accessory case rotate, and the primer can be sprayed on the entire surface of the mobile phone accessory case.

[0046] 3. Put the clamp 15 on the mobile phone accessory shell and put it into the glue spraying machine 11. The glue spraying machine 11 sprays glue on the surface of the mobile phone accessory shell. The part that does not need to be sprayed with glue is blocked by the clamp 15. The glue sprayed by the glue spraying machine 11 and the primer can improve the bonding strength;

[0047] 4. After the glue spraying is completed, the mobile phone accessory shell is sent to the flocking machine 16, which performs electrostatic flocking on the surface of the mobile phone accessory shell. The flocking is completed by the action of the electrostatic field. The operation is convenient and fast, and it is easy to realize automated production. The vertical implantation density of the mobile phone accessory shell surface is greater than 8000 pieces / cm².

[0048] 5. After the mobile phone accessory shell is flocked, it is sent to the baking machine 18 for staged baking (60℃ / 5min→75℃ / 8min). The baking machine 18 shapes and dries the flock on the surface of the mobile phone accessory shell. The high temperature treatment of the baking machine 18 can remove the primer on the surface of the mobile phone accessory shell, and the unnecessary primer volatilizes, which also allows the spray glue and flocking layer to be fully cured. The peel strength of the flock is greater than 3N / cm, and the flatness and color fastness of the flock surface are ≥ level 4;

[0049] 6. After the flocking hair on the surface of the mobile phone accessory shell is dried, the fixture 15 is removed and the excess hair is blown off with a high-pressure air gun. During the use of the flocked mobile phone accessory shell, no hair will fall off. A negative pressure hair suction device can be added in the direction of the high-pressure air gun to facilitate the recovery of the hair for reuse.

[0050] Mobile phone accessory shell quality inspection standards

[0051] Adhesion test: 100-grid knife scratches pass the test at level 0-1.

[0052] Environmental test: 85℃ / 85%RH high temperature and humidity for 48 hours without shedding.

[0053] ‌Abrasion resistance‌: The suede surface remains intact after 5000 frictions (load 500g).

[0054] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A mobile phone accessory shell flocking device, characterized in that: include: A plasma surface treatment machine (1), the plasma surface treatment machine (1) having a gantry (4), a plasma nozzle (3) being mounted on the gantry (4); An annular sprayer (5), wherein a plurality of rotating clamping seats are installed on the annular sprayer (5), a position adjustment bracket group is installed in the middle of the annular sprayer (5), and a spray head (25) is installed on the position adjustment bracket group; A glue spraying machine (11), wherein the glue spraying machine (11) is equipped with a glue spraying head (13) via a cylinder (12), and a clamp (15) is placed below the glue spraying head (13); A flocking machine (16), wherein the flocking machine (16) performs electrostatic flocking on the surface of the mobile phone accessory shell after the glue is sprayed; A baking machine (18) is provided for shaping and drying the fluff on the surface of the mobile phone accessory shell.

2. The mobile phone accessory shell flocking device according to claim 1, characterized in that: The plasma surface treatment machine (1), glue spraying machine (11), flocking machine (16), and baking machine (18) are all equipped with a conveyor (2).

3. The mobile phone accessory shell flocking device according to claim 1, characterized in that: The rotating clamp seat comprises a support rod (10), the support rod (10) is provided with a support ring (9), and a placement plate (7) is sleeved on the support rod (10).

4. The mobile phone accessory shell flocking device according to claim 3, characterized in that: The placement plate (7) is provided with a limiting seat (8) corresponding to the mobile phone accessory shell.

5. The mobile phone accessory shell flocking device according to claim 1, characterized in that: The positioning bracket group includes a column (24), the column (24) is connected to a cross bar (23) via a cross clamping block (26), and the spray head (25) is connected to the cross bar (23) via a single clamping block (27).

6. The mobile phone accessory shell flocking device according to claim 1, characterized in that: A hot air blower (19) is installed on the upper surface of the baking machine (18), an air inlet box (20) is installed at the air inlet of the hot air blower (19), and a filter plate (21) is plugged into the air inlet box (20).

7. A flocking process for mobile phone accessory shells, characterized in that: The mobile phone accessory shell flocking device according to any one of claims 1 to 6 comprises the following steps: S1, placing the mobile phone accessory shell on the plasma surface treatment machine (1), and the plasma surface treatment machine (1) removes stains on the surface of the mobile phone accessory shell; S2, the mobile phone accessory shell after cleaning the stains is placed on the annular spraying machine (5), and the annular spraying machine (5) sprays the primer on the surface of the mobile phone accessory shell; S3, putting the fixture (15) on the mobile phone accessory shell and placing it in the glue spraying machine (11), and the glue spraying machine (11) sprays glue on the surface of the mobile phone accessory shell; S4, the mobile phone accessory shell after the glue spraying is sent to the flocking machine (16), and the flocking machine (16) performs electrostatic flocking on the surface of the mobile phone accessory shell; S5, after the flocking is completed on the surface of the mobile phone accessory shell, it is sent to a baking machine (18), and the baking machine (18) shapes and dries the flocking on the surface of the mobile phone accessory shell; S6, after the flocking hair on the surface of the mobile phone accessory shell is dried, the fixture (15) is removed and the excess flocking hair is blown off using a high-pressure air gun.

8. The flocking process for mobile phone accessory shell according to claim 7, characterized in that: The vertical implantation density of the fuzz on the surface of the mobile phone accessory case is greater than 8000 pieces / cm², the fuzz peeling strength is greater than 3N / cm, and the fuzz surface smoothness and color fastness are ≥ level 4.

Images