Novel jig for metal shell transfer printing process

Abstract

The utility model discloses a novel jig for a metal shell transfer printing process. The novel jig comprises a jig body, a base, a compression roller mechanism, a UV curing mechanism and a picking mechanism. The jig body is provided with a workpiece groove, a positioning column, a sliding jacking piece and a built-in temperature conduction pipeline, the surface of the jig body is covered with a double-layer composite bearing film (a polyimide surface layer / a thermosensitive adhesive bottom layer), and residue-free stripping is achieved through heating. The compression roller mechanism is integrated on a support arm of the picking mechanism, and a pneumatic compression roller is adopted to accurately control the rolling pressure; the UV curing mechanism moves through the sliding rail to achieve multi-station curing. The innovatively-designed sliding jacking piece can jack up the edge of the mold so that the mold can be taken out conveniently, the picking mechanism is matched with a vacuum suction cup through gear and rack transmission to achieve lossless workpiece picking and placing, the problems that in the traditional technology, the mold is prone to being damaged, and a bearing film is difficult to replace are solved, and the film replacing efficiency is improved through steam heating of a temperature conduction pipeline and the design of a thermosensitive adhesive layer.

Description

Technical Field

[0001] This utility model relates to the field of process assembly fixtures, specifically a novel fixture for metal shell transfer processes. Background Technology

[0002] Currently, metal shell transfer printing is still an emerging technology, and there are many problems with related process assembly fixtures. One of the pain points is that the fixture carrier film is difficult to replace. Because it has a certain degree of adhesion after curing, the workers in the cleanroom need to wear gloves during construction, which makes it difficult to peel off and seriously affects the efficiency of operation. If the workers forcibly peel it off by hand, it will easily damage the flexible mold and cause losses. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a novel fixture for metal shell transfer process, which can effectively solve the problems mentioned in the background art.

[0004] To solve the above problems, the technical solution adopted by this utility model is as follows: a novel fixture for metal shell transfer printing process, comprising a fixture body, a base, a pressure roller mechanism, a UV curing mechanism, and a pick-up mechanism for picking up workpieces, characterized in that the fixture body, the pick-up mechanism, and the UV curing mechanism are all mounted on the top surface of the base, wherein the base is provided with a slide rail that is slidably connected to the UV curing mechanism; the pressure roller mechanism is embedded in the pick-up mechanism; the top surface of the fixture body is provided with a workpiece groove, one end of the top surface of the fixture body is provided with a positioning post, and the other end is provided with an edge protrusion, and a top positioning member is embedded in the edge protrusion, the top positioning member being slidably connected to the edge protrusion; a flexible transfer mold is placed on the fixture body, the outline shape of the flexible transfer mold corresponding to the top surface of the fixture body, and the flexible transfer mold is provided with a positioning hole; the fixture body has a built-in temperature conducting pipe, and the fixture body is also provided with a carrier film; the carrier film covers the fixture body.

[0005] As a further preferred embodiment of this utility model, the carrier film is a double-layer composite carrier film, wherein the outer layer is a polyimide film layer and the inner layer is a heat-sensitive adhesive layer; the inner layer is in contact with the fixture body and the outer layer is in contact with the workpiece.

[0006] As a further preferred embodiment of this utility model, the picking mechanism includes a support arm, a pull rod, a drive gear, a rack, and a suction cup; the support arm is installed on one side of the fixture body; the drive gear is installed inside the support arm through a bearing, one side of the drive gear is engaged with the pull rod, and the other side of the drive gear is provided with a return spring connected to the support arm; the rack is slidably connected to one end of the support arm, and at the same time, the rack is meshed with the drive gear, and the rack is located above the fixture body; the suction cup is installed at the lower end of the rack.

[0007] As a further preferred embodiment of the present invention, the pressure roller mechanism includes a pusher rod and a pressure roller component; the pusher rod is embedded in the support arm and is located on one side above the fixture body; the pressure roller component is connected to the output end of the pusher rod.

[0008] As a further preferred embodiment of this utility model, the flexible transfer mold is made of modified polyurethane resin material.

[0009] As a further preferred embodiment of this utility model, the UV curing mechanism includes a sliding seat and a UV light module; the UV light module is mounted on the sliding seat; the sliding seat is slidably connected to a slide rail, allowing the UV light module to move above the fixture body.

[0010] Compared with the prior art, this utility model provides a novel fixture for metal casing transfer processes, which has the following beneficial effects:

[0011] 1. Precise demolding: The sliding ejector lifts the edge of the mold, reducing manual intervention and lowering the risk of mold damage.

[0012] 2. High-efficiency membrane replacement: The double-layer carrier membrane (polyimide + heat-sensitive adhesive) combined with steam heating through a temperature-conducting pipeline allows for rapid peeling through heating, avoiding adhesive residue, thus improving membrane replacement efficiency and extending the service life of the fixture; Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This utility model is in use. Figure 1 ;

[0015] Figure 3 This utility model is in use. Figure 2 ;

[0016] Figure 4 This utility model is in use. Figure 3 ;

[0017] Figure 5 This utility model is in use. Figure 4 ;

[0018] Figure 6 To retrieve the internal structure diagram of the mechanism;

[0019] Figure 7 Diagram of the supporting membrane structure;

[0020] The components are as follows: 1. Fixture body; 1-1. Workpiece groove; 1-2. Positioning post; 1-3. Edge protrusion; 1-4. Temperature guiding pipe; 2. Base; 2-1. Slide rail; 3. Pressure roller mechanism; 3-1. Pushing air rod; 3-2. Pressure roller component; 4. UV curing mechanism; 4-1. Sliding seat; 4-2. UV light module; 5. Pick-up mechanism; 5-1. Support arm; 5-2. Pull rod; 5-3. Drive gear; 5-4. Rack; 5-5. Suction cup; 5-6. Return spring; 6. Top component; 7. Flexible transfer mold; 7-1. Positioning hole; 8. Bearing film; 8-1. Surface layer; 8-2. Bottom layer; 9. Workpiece shell. Detailed Implementation

[0021] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0022] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second", such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0023] In addition, if "and / or" or "and / or" appears in the text, it means three parallel options. For example, "A and / or B" includes option A, option B, or option A and B are satisfied at the same time.

[0024] Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0025] Reference Figure 1-7This utility model provides a novel fixture for metal casing transfer printing, comprising a fixture body 1, a base 2, a pressure roller mechanism 3, a UV curing mechanism 4, and a pick-up mechanism 5 for picking up workpieces. The fixture body 1, the pick-up mechanism 5, and the UV curing mechanism 4 are all mounted on the top surface of the base 2, wherein the base 2 has a slide rail 2-1 slidably connected to the UV curing mechanism 4; the pressure roller mechanism 3 is embedded in the pick-up mechanism 5; and the top surface of the fixture body 1 has a workpiece groove 1-1. One end of the top surface of the fixture body 1 is provided with a positioning post 1-2, and the other end is provided with an edge protrusion 1-3. A top positioning member 6 is embedded in the edge protrusion 1-3, and the top positioning member 6 is slidably connected to the edge protrusion 1-3. A flexible transfer mold 7 is placed on the fixture body 1. The outline shape of the flexible transfer mold 7 corresponds to the top surface of the fixture body 1. The flexible transfer mold 7 is provided with a positioning hole 7-1. The fixture body 1 has a built-in temperature conducting pipe 1-4, and the fixture body 1 is also provided with a carrier film 8. The carrier film 8 covers the fixture body 1.

[0026] As a further preferred embodiment of the present invention, the carrier film 8 is a double-layer composite carrier film 8, wherein the surface layer 8-1 is a polyimide (PI) film, which can withstand the rolling pressure (≤50N / cm²) and UV curing temperature (60-80℃).

[0027] The bottom layer 8-2 is a heat-sensitive adhesive layer (such as low-temperature hot melt adhesive), which can be quickly peeled off by local heating (80-100℃) to avoid residual adhesive when removing the mold. The bottom layer 8-2 is in contact with the fixture body 1, and the top layer 8-1 is in contact with the workpiece.

[0028] As a further preferred embodiment of this utility model, the picking mechanism 5 includes a support arm 5-1, a pull rod 5-2, a drive gear 5-3, a rack 5-4, and a suction cup 5-5; the support arm 5-1 is installed on one side of the fixture body 1; the drive gear 5-3 is installed inside the support arm 5-1 through a bearing, one side of the drive gear 5-3 is engaged with the pull rod 5-2, and the other side of the drive gear 5-3 is provided with a return spring 5-6 connected to the support arm 5-1, so that the rack 5-4 automatically returns to its original position after descending; the rack 5-4 is slidably connected to one end of the support arm 5-1, and at the same time, the rack 5-4 is meshed with the drive gear 5-3, and the rack 5-4 is located above the fixture body 1; the suction cup 5-5 is installed at the lower end of the rack 5-4, and the suction cup 5-5 is a vacuum suction cup made of silicone material, whose soft edges can avoid scratching the transfer layer, and can be equipped with a pressure sensor and a pressure relief valve to prevent over-suction from causing workpiece deformation (suitable for thin plates with a thickness ≤1.2mm).

[0029] As a further preferred embodiment of the present invention, the pressure roller mechanism 3 includes a push air rod 3-1 and a pressure roller component 3-2; the push air rod 3-1 is embedded in the support arm 5-1, and the push air rod 3-1 is located on one side above the fixture body 1; the pressure roller component 3-2 is connected to the output end of the push air rod 3-1.

[0030] As a further preferred embodiment of this utility model, the flexible transfer mold 7 is made of modified polyurethane resin material.

[0031] As a further preferred embodiment of the present invention, the UV curing mechanism 4 includes a sliding seat 4-1 and a UV light module 4-2; the UV light module 4-2 is mounted on the sliding seat 4-1; the sliding seat 4-1 is slidably connected to the slide rail 2-1, so that the UV light module 4-2 moves above the fixture body 1.

[0032] As a specific embodiment of this utility model:

[0033] First, place the flexible carrier film 8 on the fixture body 1, and then place the workpiece shell 9 (metal shell). Next, apply UV glue to the workpiece shell 9, place the flexible transfer mold 7, and start the pressure roller mechanism 3 to push the pressure roller 3-2 to roll the glue. The overflowing UV glue will spill onto the flexible carrier film 8 instead of directly onto the fixture body 1. After the rolling is completed, move the sliding seat 4-1 to place the UV light module 4-2 above the workpiece shell 9 for UV curing. After completion, remove the UV curing mechanism 4, and move the handle of the top part 6 to push the top part 6 out from the top surface of the fixture body 1. At the same time, make one end of the flexible transfer mold 7 tilt up to facilitate the removal of the flexible transfer mold 7 and avoid damage. Then pull the pull rod 5-2 to make the drive gear 5-3 drive the rack 5-4 to move down, allowing the suction cup 5-5 to remove the workpiece shell 9 (metal shell) for the next production process.

[0034] After production is completed, steam can be introduced into the side wall of the fixture body 1 and allowed to flow into the heat conduction pipes 1-4, which will raise the surface temperature of the fixture body 1. Then the surface layer of the flexible carrier film can be peeled off by hand. The material of its bottom layer 8-2 can be wiped directly or peeled off quickly, which can avoid residual glue when removing the mold and extend the service life of the fixture body 1.

[0035] As needed, the above-mentioned installation, setting, or connection methods include, but are not limited to, screws, riveting, welding or sleeve, fixing, etc. The installation, setting, or connection method shall be selected according to the working scenario.

[0036] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A novel fixture for metal casing transfer printing, comprising a fixture body (1), a base (2), a pressure roller mechanism (3), a UV curing mechanism (4), and a pick-up mechanism (5) for picking up workpieces, characterized in that, The fixture body (1), the picking mechanism (5), and the UV curing mechanism (4) are all mounted on the top surface of the base (2), wherein the base (2) is provided with a slide rail (2-1) that is slidably connected to the UV curing mechanism (4); the pressure roller mechanism (3) is embedded in the picking mechanism (5); the top surface of the fixture body (1) is provided with a workpiece groove (1-1), one end of the top surface of the fixture body (1) is provided with a positioning post (1-2), and the other end is provided with an edge protrusion (1-3), and at the edge protrusion ( 1-3) An embedded top part (6) is slidably connected to the edge protrusion (1-3); a flexible transfer mold (7) is placed on the fixture body (1), the outline shape of the flexible transfer mold (7) corresponds to the top surface of the fixture body (1), and the flexible transfer mold (7) is provided with a positioning hole (7-1); the fixture body (1) is equipped with a heat conduction pipeline (1-4), and the fixture body (1) is also provided with a carrier film (8); the carrier film (8) covers the fixture body (1).

2. The novel fixture for metal casing transfer process according to claim 1, characterized in that, The carrier film (8) is a double-layer composite carrier film (8), wherein the surface layer (8-1) is a polyimide film layer and the bottom layer (8-2) is a heat-sensitive adhesive layer; the bottom layer (8-2) is in contact with the fixture body (1) and the surface layer (8-1) is in contact with the workpiece.

3. The novel fixture for metal casing transfer process according to claim 1, characterized in that, The picking mechanism (5) includes a support arm (5-1), a pull rod (5-2), a drive gear (5-3), a rack (5-4), and a suction cup (5-5); the support arm (5-1) is installed on one side of the fixture body (1); the drive gear (5-3) is installed in the support arm (5-1) through a bearing, one side of the drive gear (5-3) is engaged with the pull rod (5-2), and the other side of the drive gear (5-3) is provided with a return spring (5-6) connected to the support arm (5-1); the rack (5-4) is slidably connected to one end of the support arm (5-1), and at the same time, the rack (5-4) is meshed with the drive gear (5-3), and the rack (5-4) is located above the fixture body (1); the suction cup (5-5) is installed at the lower end of the rack (5-4).

4. The novel fixture for metal casing transfer process according to claim 3, characterized in that, The pressure roller mechanism (3) includes a push air rod (3-1) and a pressure roller component (3-2); the push air rod (3-1) is embedded in the support arm (5-1) and the push air rod (3-1) is located on one side above the fixture body (1); the pressure roller component (3-2) is connected to the output end of the push air rod (3-1).

5. The novel fixture for metal casing transfer printing process according to claim 1, characterized in that, The UV curing mechanism (4) includes a sliding seat (4-1) and a UV light module (4-2); the UV light module (4-2) is mounted on the sliding seat (4-1); the sliding seat (4-1) is slidably connected to the slide rail (2-1) so that the UV light module (4-2) moves above the fixture body (1).

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