CN210940925U

CN210940925U - Printing device for curved surface structure sound box rubber shell

Info

Publication number: CN210940925U
Application number: CN201921362446.3U
Authority: CN
Inventors: 王爽; 陈喜华; 陈石磊
Original assignee: Huizhou Lida Industry Co ltd
Current assignee: Huizhou Lida Industry Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-07-07
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a printing device for a curved surface structure sound equipment rubber shell, which comprises a fixed jig, a screen printing mechanism and a transfer printing mechanism, wherein the fixed jig and the screen printing mechanism are arranged side by side, and the transfer printing mechanism is movably arranged between the fixed jig and the screen printing mechanism; the transfer printing mechanism comprises a first driving assembly and a transfer printing block, the first driving assembly drives the transfer printing block to move between the fixed jig and the screen printing mechanism, and the transfer printing block is of a hemispherical smooth elastic soft rubber structure. The utility model is used for the printing of picture and text on curved surface structure stereo set rubber casing.

Description

Printing device for curved surface structure sound box rubber shell

Technical Field

The utility model relates to a product surface printing technical field, concretely relates to printing device of curved surface structure stereo set rubber casing.

Background

The sound box is an audio playing product commonly used in the society at present, and is adopted in places such as households, vehicles, parks and the like, the sound box can play a role in sound amplification, and can bring wonderful sound quality enjoyment. The production of the sound equipment comprises a plurality of steps, such as the assembly of a loudspeaker, the injection molding of a rubber shell and the like, wherein the rubber shell belongs to an important part of the sound equipment, the rubber shell plays a role in supporting and beautifying the whole sound equipment product, and the shell of the sound equipment product is designed into a cylindrical and other curved surface structures for more attractive appearance. The sound shell needs to print characters, figures and symbols, such as logo, product model, power and the like, and can be finished by directly adopting screen printing for a plane rubber shell structure, but common screen printing is difficult to finish for a curved surface structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the not enough in the background art, provide the printing device that curved surface structure stereo set glued shell that can solve.

In order to solve the technical problem, the technical scheme of the utility model is that: a printing device for a sound box rubber shell with a curved surface structure comprises a fixed jig, a screen printing mechanism and a transfer printing mechanism, wherein the fixed jig and the screen printing mechanism are arranged in parallel, and the transfer printing mechanism is movably arranged between the fixed jig and the screen printing mechanism; the transfer printing mechanism comprises a first driving assembly and a transfer printing block, the first driving assembly drives the transfer printing block to move between the fixed jig and the screen printing mechanism, and the transfer printing block is of a hemispherical smooth elastic soft rubber structure.

Furthermore, the screen printing mechanism comprises a screen printing plate, wherein meshes are arranged on the screen printing plate, an ejection assembly is arranged below the meshes in a lifting manner, an ejection block is arranged on the ejection assembly, and the ejection block is of a protruding structure with a smooth surface; the top block is matched with the meshes, and the top block can penetrate out of the upper parts of the meshes.

Further, the screen printing mechanism further comprises a material pushing plate, a material scraping plate and a second driving piece, wherein the second driving piece drives the material pushing plate and the material scraping plate to move on the screen printing plate.

Furthermore, the second driving piece is a horizontal driving piece, and the material pushing plate and the material scraping plate are elastically arranged on the second driving piece in the vertical direction.

Furthermore, a trough is further arranged on one side of the screen printing plate, the bottom of the trough is of an inclined plane structure, and the top end of the inclined plane structure is connected with the screen printing plate.

Further, the first driving assembly comprises a horizontal driving piece and a vertical driving piece, the horizontal driving piece drives the transfer printing block to horizontally move between the fixed jig and the screen printing mechanism, and the vertical driving piece drives the transfer printing block to move in the vertical direction.

Further, fixed tool includes fixed station and locating piece, the locating piece is fixed on the fixed station, the locating piece is glued the shell inner space looks adaptation with the stereo set of treating the printing.

Further, a cavity structure is arranged inside the positioning block and is communicated with a vacuum air source; the positioning block is provided with a plurality of adsorption holes, and each adsorption hole is communicated with the cavity structure.

The utility model discloses the beneficial effect who realizes mainly has following several: printing device sets up screen printing mechanism and bat printing piece, and the bat printing piece is hemispherical plain noodles elasticity flexible glue structure to the bat printing piece can be through elastic deformation with the curved surface structure stereo set of waiting to print glue the shell and fully contact, with picture and text from screen printing mechanism rendition to the stereo set of curved surface structure glue the shell on, realize the printing of picture and text such as logo on the curved surface structure stereo set glue the shell.

Drawings

Fig. 1 is a schematic perspective view of a printing apparatus for a loudspeaker shell with a middle curved surface structure according to an embodiment of the present invention;

fig. 2 is a schematic longitudinal sectional structure diagram of a screen printing mechanism and a transfer printing mechanism of a printing device for a sound shell with a medium curved surface structure according to an embodiment of the present invention;

fig. 3 is a schematic longitudinal sectional structure view of a fixing jig of a printing device for a sound box with a medium curved surface structure according to an embodiment of the present invention;

fig. 4 is a schematic view of a longitudinal section structure of a joint of a horizontal driving member and a vertical driving member of a printing device of a middle curved surface structure sound shell, a material pushing plate, a material scraping plate and a pad printing block of the embodiment of the present invention.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1-4, a printing device for a curved-surface-structure plastic case for a cylindrical plastic case for a sound box with an equal curved-surface structure, is used for silk-printing characters and patterns such as logo. The printing device comprises a fixing jig 1, a screen printing mechanism 2 and a transfer printing mechanism 3, wherein the fixing jig 1 is used for fixing a sound box rubber shell to be printed; the screen printing mechanism 2 forms all printed pictures and texts on the sound equipment rubber shell by adopting a screen printing mode, and can adopt the existing screen printing mode; and the transfer printing mechanism 3 transfers the pictures and texts formed by silk screen printing on the silk screen printing mechanism 2 to the sound box rubber shell. The fixed jig 1 and the screen printing mechanism 2 are arranged in parallel, and the transfer printing mechanism 3 is movably arranged between the fixed jig 1 and the screen printing mechanism 2; an installation support 4 with an 'Contraband' structure can be arranged, the fixed jig 1 and the screen printing mechanism 2 are arranged in parallel at the lower part of the installation support 4, and the transfer printing mechanism 3 is movably arranged at the upper part of the installation support 4. The transfer printing mechanism 3 comprises a first driving component 31 and a pad printing block 32, wherein the first driving component 31 drives the pad printing block 32 to move between the fixed jig 1 and the screen printing mechanism 2; the first driving component 31 can adopt a manipulator moving on a two-dimensional plane or moving on a three-dimensional space, and can also adopt a mode of matching a plurality of cylinders or screw mechanisms to drive the pad 32 to move on the two-dimensional plane or the three-dimensional space, in short, the first driving component only needs to be capable of driving the pad 32 to move between the fixed jig 1 and the screen printing mechanism 2, so as to transfer and print the pictures and texts formed by the screen printing mechanism 2 onto the sound plastic shell on the fixed jig 1. The transfer printing block 32 is of a hemispherical smooth elastic soft rubber structure, can adopt a soft and elastic silica gel block, is cut into a hemispherical structure, and has a smooth outer surface, so that the printing ink material is easily transferred from the silica gel block to the sound box rubber shell; the pad 32 is fixed to a mount 33, and the mount 33 is driven by a first driving unit 31.

Referring to fig. 2, the screen printing mechanism 2 includes a screen 21, a plurality of meshes 211 are arranged on the screen 21, and the plurality of meshes 211 form a pattern of pictures and texts required on the sound equipment rubber casing; the specific shape and position of the mesh 211 are set according to the shape of the image to be printed. An ejection component 26 is arranged below the mesh 211 in a lifting manner, a plurality of ejection blocks 261 are arranged on the ejection component 26, and the ejection blocks 261 are of a convex structure with smooth appearance, so that printing ink is not easy to stick; the top block 261 may be a metal block or a plastic block. The tops 261 are adapted to mesh 211, i.e., the pattern formed by the individual tops 261 together is identical to the pattern formed by the individual meshes 211 together; meanwhile, the height of the top block 261 is larger than the thickness of the screen 21, so that the top block 261 can penetrate out of the mesh 211 after being lifted. The top block 261 may be disposed on the base 263 by a lift cylinder 262, so that the top block 261 is driven to move up and down on the base 263 by the lift cylinder 262.

Referring to fig. 2, by arranging the liftout assembly 26, before the scraping plate 23 scrapes ink on the screen 21, the top block 261 moves to be flush with the bottom of the mesh 211, so that the ink can be scraped into a groove-shaped structure formed by the mesh 211 and the top block 261 when the scraping plate 23 scrapes ink, then the top block 261 jacks up from the mesh 211, images and texts printed on the top block 261 by silk screen are ejected out, the transfer printing block 32 is convenient to be in full contact with the images and texts printed by the silk screen, and the images and texts printed by the silk screen can be transferred to the transfer printing block 32.

Referring to fig. 1, 2 and 4, the screen printing mechanism 2 further includes a material pushing plate 22, a material scraping plate 23 and a second driving member 24, the second driving member 24 is a horizontal driving member, and the second driving member 24 drives the material pushing plate 22 and the material scraping plate 23 to move horizontally on the screen 21. A horizontal sliding groove 42 can be arranged at the top of the mounting bracket 4, a sliding block 41 is arranged in the sliding groove 42, the material pushing plate 22 and the material scraping plate 23 are arranged at the lower part of the sliding block 41, and the sliding block 41 is driven by the second driving piece 24 to move in the sliding groove 42, so that the second driving piece 24 drives the material pushing plate 22 and the material scraping plate 23 to move on the screen 21; the second driving member 24 can adopt a screw mechanism, a telescopic cylinder and other common linear driving components, and the drawing of the embodiment shows a mode of adopting the telescopic cylinder.

Referring to fig. 1, 2 and 4, the material pushing plate 22 and the material scraping plate 23 are preferably elastically arranged on the second driving member 24 in the vertical direction, and the following specific structure can be adopted: the material pushing plate 22 is connected with the sliding block 41 through an elastic connecting rod, the elastic connecting rod comprises a hollow fixing rod 221 and an expansion link 223, the fixing rod 221 is fixed on the sliding block 41, the expansion link 223 is connected in a cavity of the fixing rod 221 through a spring 222, the material pushing plate 22 is fixed at the lowest end of the expansion link 223, and therefore the material pushing plate 22 can elastically lift on the sliding block 41, the lower end of the material pushing plate 22 can be in close contact with the screen printing plate 21, and pushing (printing ink) is more complete. Similarly, the scraping plate 23 may also be elastically disposed on the sliding block 41 in the same manner as the pushing plate 22, so that the scraping plate 23 may be in close contact with the screen when moving on the screen 21, and the ink except the ink in the mesh 211 is scraped away, thereby ensuring the clearness and accuracy of the printed pattern.

Referring to fig. 2, a trough 25 is further disposed on a side of the screen 21 away from the mesh 211 for storing printing material (such as ink) for printing, the bottom of the trough 25 is an inclined structure, and the top end of the inclined structure is connected to the screen 21; when the material (such as ink) is added into the material groove 25, the material pushing plate 22 and the material scraping plate 23 are moved into the material groove 25, the material (such as ink) is added to the position between the material pushing plate 22 and the material scraping plate 23, so that the material pushing plate 22 can push the material (such as ink) to one end of the mesh on the screen, and the material scraping plate 23 scrapes the material (such as ink) into the mesh 211. The bottom of the trough 25 is provided with an inclined plane structure, and the top end of the inclined plane structure is connected with the screen 21 to form a smooth connecting surface, so that the material pushing plate 22 and the material scraping plate 23 can move between the screen 21 and the trough 25 more easily.

Referring to fig. 1 and 4, the first driving assembly 31 includes a horizontal driving member 311 and a vertical driving member 312, the horizontal driving member 311 drives the pad 32 to move horizontally between the fixing jig 1 and the screen printing mechanism 2, and the vertical driving member 312 drives the pad 32 to move vertically. The horizontal driving member 311 may be separately disposed, or may share the second driving member 24 with the material pushing plate 22 and the material scraping plate 23, in this embodiment, the pad printing block 32 is disposed on the sliding block 41 in a manner of sharing the second driving member 24 with the material pushing plate 22 and the material scraping plate 23, so that one driving part can be saved, and the material production cost can be reduced. The vertical driving element 312 can adopt a telescopic cylinder, the telescopic cylinder is vertically arranged on the sliding block 41, and the movable end of the telescopic cylinder is fixedly connected with the mounting seat 33, so that the movable end of the telescopic cylinder can drive the pad 32 to move up and down on the sliding block 41 through the telescopic cylinder, and the pad can be separated from or contacted with the ejecting top block 261 on the screen 21 and the sound box rubber shell on the fixed jig 1.

Referring to fig. 1 and 3, the fixing jig 1 includes a fixing table 11 and a positioning block 12, the positioning block 12 is fixed on the fixing table 11, and the positioning block 12 is adapted to the internal space of the audio plastic shell to be printed, so that the audio plastic shell can be fixed on the positioning block 12; since the acoustic rubber case in this embodiment is cylindrical, the positioning block 12 is also provided in a cylindrical configuration. A cavity structure 122 is arranged inside the positioning block 12, and the cavity structure is communicated with a vacuum air source (vacuum pump) through a pipeline; the positioning block 12 is provided with a plurality of adsorption holes 121, and each adsorption hole 121 is communicated with the cavity structure. Thereby after the locating piece 12 is placed to the stereo set rubber casing, can adsorb the stereo set rubber casing fixedly through the negative pressure that absorption hole 121 produced for difficult rocking when the stereo set rubber casing printing, thereby guarantee the uniformity of printing the picture and text on the stereo set rubber casing at every turn.

The working process of the printing device of the embodiment is as follows: the printing material (ink) is added to the position between the material pushing plate 22 and the material scraping plate 23, the second driving member 24 drives the material pushing plate 22 and the material scraping plate 23 to move back and forth between the screen 21 and the material groove 25, and the printing material (ink) is scraped into the mesh 211; feeding the sound equipment rubber shell onto the fixing jig 1, and fixing through the positioning block 12; the ejection component 26 is matched with the transfer mechanism 3, the top block 261 ejects the pictures and texts formed in the meshes 211, and the transfer printing block 32 transfers the pictures and texts from the top block 261; finally, the first driving component 31 drives the transfer printing block 32 to move to the fixed fixture 1 to contact with the audio plastic shell thereon, so as to transfer the image to the audio plastic shell.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a printing device of curved surface structure stereo set rubber casing which characterized in that: the screen printing device comprises a fixed jig (1), a screen printing mechanism (2) and a transfer printing mechanism (3), wherein the fixed jig (1) and the screen printing mechanism (2) are arranged in parallel, and the transfer printing mechanism (3) is movably arranged between the fixed jig (1) and the screen printing mechanism (2); transfer printing mechanism (3) include first drive assembly (31) and move block (32), first drive assembly (31) drive moves block (32) between fixed tool (1) and screen printing mechanism (2), move block (32) for hemispherical plain noodles elasticity flexible glue structure.

2. The printing device for the sound plastic shell with the curved surface structure of claim 1, wherein: the screen printing mechanism (2) comprises a screen printing plate (21), a mesh (211) is arranged on the screen printing plate (21), an ejection component (26) is arranged below the mesh (211) in a lifting mode, an ejection block (261) is arranged on the ejection component (26), and the ejection block (261) is of a protruding structure with a smooth surface; the top block (261) is matched with the meshes (211), and the top block (261) can penetrate out to the upper part of the meshes (211).

3. The printing device for the sound plastic shell with the curved surface structure of claim 2, wherein: the screen printing mechanism (2) further comprises a material pushing plate (22), a material scraping plate (23) and a second driving piece (24), wherein the second driving piece (24) drives the material pushing plate (22) and the material scraping plate (23) to move on the screen printing plate (21).

4. The printing device for the sound plastic shell with the curved surface structure of claim 3, wherein: the second driving piece (24) is a horizontal driving piece, and the material pushing plate (22) and the material scraping plate (23) are elastically arranged on the second driving piece (24) in the vertical direction.

5. The printing device for the sound shell with the curved surface structure of claim 4, wherein: a material groove (25) is further formed in one side of the screen printing plate (21), the bottom of the material groove (25) is of an inclined surface structure, and the top end of the inclined surface structure is connected with the screen printing plate (21).

6. The printing device for the sound plastic shell with the curved surface structure of claim 1, wherein: the first driving assembly (31) comprises a horizontal driving piece (311) and a vertical driving piece (312), the horizontal driving piece (311) drives the transfer block (32) to horizontally move between the fixed jig (1) and the screen printing mechanism (2), and the vertical driving piece (312) drives the transfer block (32) to move in the vertical direction.

7. The printing device for the sound plastic shell with the curved surface structure of claim 1, wherein: fixed tool (1) includes fixed station (11) and locating piece (12), locating piece (12) are fixed on fixed station (11), locating piece (12) and the stereo set rubber casing inner space looks adaptation of waiting to print.

8. The printing device for the sound shell with the curved surface structure of claim 7, wherein: the inner part of the positioning block (12) is of a cavity structure, and the cavity structure is communicated with a vacuum air source; the positioning block (12) is provided with a plurality of adsorption holes (121), and each adsorption hole (121) is communicated with the cavity structure.