CN219276965U

CN219276965U - Thermal transfer printer

Info

Publication number: CN219276965U
Application number: CN202320059221.0U
Authority: CN
Inventors: 吴海冲; 龚文勇
Original assignee: Shenzhen Renqing Zhuoyue Technology Co ltd
Current assignee: Shenzhen Renqing Zhuoyue Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-30
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a thermal transfer printer for carrying out image thermal transfer printing on an electronic equipment shell, which comprises an upper cover, a shell, a transfer printing cavity, an air guide assembly and a circuit board, wherein the upper cover is arranged above the shell, the transfer printing cavity is arranged in the shell, the upper cover is used for covering the transfer printing cavity, the circuit board is arranged in the shell, the air guide assembly is used for exhausting air and supplying air to the interior of the transfer printing cavity, the inner wall of the upper cover is provided with an annular closed silica gel ring, the shape and the size of the silica gel ring are matched with those of the edge of the transfer printing cavity, a plurality of vent holes penetrating through the inner wall of the upper cover are formed in an area surrounded by the silica gel ring, and after the transfer printing cavity is covered by the upper cover, air pressure difference is formed between the transfer printing cavity and the inner wall of the upper cover. The heat transfer machine greatly reduces the probability that the transfer film is adsorbed on the inner wall of the upper cover, improves the transfer efficiency and promotes the user experience.

Description

Thermal transfer printer

Technical Field

The utility model belongs to the field of thermal transfer equipment, and particularly relates to a thermal transfer machine.

Background

Thermal transfer printing is also called thermal sublimation, and is a special process for printing any pictures such as figures and landscapes on plain paper or high-precision printing paper by using thermal transfer printing ink, heating the pictures to a certain temperature within a few minutes by using thermal transfer printing corresponding thermal transfer printing equipment, and transferring the images on the paper to materials such as porcelain cups, porcelain discs, porcelain plates, clothes and metals in a vivid manner.

In the existing heat transfer printing equipment, the transfer printing film is often required to be fixed at a preset position, then the upper cover is covered for vacuumizing transfer printing, but the condition that the transfer printing film is adsorbed on the inner wall of the upper cover easily occurs during transfer printing due to the fact that the same pressure difference exists between the upper cover and the transfer printing cavity after the upper cover is covered, and transfer printing efficiency is affected.

Therefore, how to avoid the transfer film from being adsorbed to the inner wall of the upper cover at the time of transfer is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The utility model mainly solves the technical problem of providing a heat transfer machine, which solves the problem that a transfer film is easy to be adsorbed on the inner wall of an upper cover in the prior art.

In order to solve the technical problems, the technical scheme adopted by the utility model is to provide a thermal transfer printer for carrying out image thermal transfer printing on an electronic equipment shell, which comprises an upper cover, a shell, a transfer printing cavity, an air guide assembly and a circuit board, wherein the upper cover is arranged above the shell, the transfer printing cavity is arranged in the shell, the upper cover is used for covering the transfer printing cavity, the circuit board is arranged in the shell, the air guide assembly is used for exhausting and supplying air to the interior of the transfer printing cavity, an annular closed silica gel ring is arranged on the inner wall of the upper cover, the silica gel ring is matched with the shape and the size of the edge of the transfer printing cavity, a plurality of vent holes penetrating through the inner wall of the upper cover are formed in an area surrounded by the silica gel ring, and after the transfer printing cavity is covered by the upper cover, air pressure difference is formed between the transfer printing cavity and the inner wall of the upper cover.

Preferably, the vent holes are arranged near the edge of the inner ring of the silica gel ring.

Preferably, the inner wall of the upper cover is provided with a plurality of grooves which are communicated with each other, and the vent holes are arranged in the grooves.

Preferably, the grooves comprise a transverse groove and a vertical groove which are communicated with each other, the transverse groove is perpendicular to the vertical groove, and the vent holes are arranged at the cross connection positions of the transverse groove and the vertical groove.

Preferably, the number of the vent holes is four.

The beneficial effects of the utility model are as follows: the utility model discloses a thermal transfer printer for carrying out image thermal transfer printing on an electronic equipment shell, which comprises an upper cover, a shell, a transfer printing cavity, an air guide assembly and a circuit board, wherein the upper cover is arranged above the shell, the transfer printing cavity is arranged in the shell, the upper cover is used for covering the transfer printing cavity, the circuit board is arranged in the shell, the air guide assembly is used for exhausting air and supplying air to the interior of the transfer printing cavity, the inner wall of the upper cover is provided with an annular closed silica gel ring, the shape and the size of the silica gel ring are matched with those of the edge of the transfer printing cavity, a plurality of vent holes penetrating through the inner wall of the upper cover are formed in an area surrounded by the silica gel ring, and after the transfer printing cavity is covered by the upper cover, air pressure difference is formed between the transfer printing cavity and the inner wall of the upper cover. The heat transfer machine greatly reduces the probability that the transfer film is adsorbed on the inner wall of the upper cover, improves the transfer efficiency and promotes the user experience.

Drawings

FIG. 1 is a schematic view of a thermal transfer machine according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the inner wall of the upper cover of another embodiment of the thermal transfer printer of the present utility model.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Combining fig. 1 and fig. 2, this thermal transfer printer is used for carrying out image heat transfer to electronic equipment shell, specifically include upper cover 1, casing 2, transfer printing cavity 3, air guide subassembly and circuit board, upper cover 1 sets up in the top of casing 2, transfer printing cavity 3 sets up in the inside of casing 2, upper cover 1 is used for covering transfer printing cavity 3, the circuit board sets up in casing 2, air guide subassembly is used for carrying out the evacuation and supplying air to the inside of transfer printing cavity 3, upper cover 1's inner wall is provided with cyclic annular closed silica gel circle 4, silica gel circle 4 and transfer printing cavity 3's shape and size looks adaptation, when making things convenient for upper cover 1 to cover transfer printing cavity 3, silica gel circle 4 can carry out sealed closure along transfer printing cavity 3's border, a plurality of air vents 5 of through upper cover 1's inner wall have been seted up in the region that silica gel circle 4 surrounds, 5 are used for after upper cover 1 covers transfer printing cavity 3, form the atmospheric pressure difference between upper cover 1 and the inner wall, upper cover 1 covers 3 and the inner wall, it is that the transfer printing cavity is easy to make and the transfer printing cavity 3 is equal to be absorbed with the transfer printing cavity 3, this pressure difference between the upper cover 1 and the transfer printing cavity is formed, and the pressure is well-balanced between the upper cover 1 can be made, and the transfer printing cavity is well cover 1 is absorbed and the transfer printing cavity is well 3, and can be formed and is well between the upper cover 3 and the pressure film is well.

Preferably, the vent 5 is located near the edge of the inner ring of the silicone ring 4.

Preferably, the inner wall of the upper cover 1 is provided with a plurality of grooves 11 which are mutually communicated, the vent holes 5 are arranged in the grooves 11, the grooves 11 are arranged to ensure that when the upper cover 1 covers the transfer printing cavity 3, air in a cavity formed between the transfer printing cavity 3 and the upper cover 1 can be pumped cleanly and rapidly, namely, the air is pumped away along the grooves 11 with a certain depth, the operation of the air has a preset track, and the pumping speed of the air is increased, so that the vacuumizing process is more efficient, and the vent holes 5 are arranged in the grooves 11 to ensure that a pressure difference is formed between the upper cover 1 and the transfer printing cavity 3 rapidly, so that the pressure balance between the upper cover 1 and the transfer printing cavity 3 is broken rapidly.

Preferably, the groove 11 includes a lateral groove 111 and a vertical groove 112 which are in communication with each other, the lateral groove 111 is perpendicular to the vertical groove 112, and the vent 5 is provided at a cross-connection position of the lateral groove 111 and the vertical groove 112.

Preferably, the number of ventilation holes 5 is four.

The thermal transfer printer is used for performing image thermal transfer printing on electronic equipment shells, such as mobile phones, flat plates and the like, corresponding electronic equipment shells include mobile phone shells, flat plate shells and the like,

preferably, the grooves 11 are in the shape of holes or strips.

Preferably, the sectional shape of the groove 11 is U-shaped, the inner wall of the groove 11 with the U-shaped sectional surface is smoother, the steep bending is less, the speed of air flowing in the groove 11 is improved, the air can be pumped out quickly, and the vacuumizing efficiency is improved.

Preferably, the plurality of grooves 11 are in cross communication, in particular, the plurality of grooves 11 are in cross communication, so as to facilitate guiding air at each position in the transfer printing cavity 3 to be pumped away more rapidly along the plurality of communicated grooves 11.

Preferably, the transfer film is a film, the film can be replaced by color printing paper, the film and the color printing paper are provided with images to be transferred, the film is used for covering the outer wall of the electronic equipment shell, and the color printing paper is used for wrapping the outer wall of the electronic equipment shell.

Based on the embodiment, the utility model discloses a thermal transfer printer for performing image thermal transfer printing on an electronic equipment shell, which comprises an upper cover, a shell, a transfer printing cavity, an air guide assembly and a circuit board, wherein the upper cover is arranged above the shell, the transfer printing cavity is arranged in the shell, the upper cover is used for covering the transfer printing cavity, the circuit board is arranged in the shell, the air guide assembly is used for exhausting air and supplying air to the transfer printing cavity, an annular closed silica gel ring is arranged on the inner wall of the upper cover, the shape and the size of the silica gel ring are matched with those of the edge of the transfer printing cavity, a plurality of vent holes penetrating through the inner wall of the upper cover are formed in an area surrounded by the silica gel ring, and after the transfer printing cavity is covered by the upper cover, an air pressure difference is formed between the transfer printing cavity and the inner wall of the upper cover. The heat transfer machine greatly reduces the probability that the transfer film is adsorbed on the inner wall of the upper cover, improves the transfer efficiency and promotes the user experience.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.

Claims

1. The utility model provides a heat transfer machine for carry out image heat transfer to electronic equipment shell, its characterized in that includes upper cover, casing, transfer printing cavity, air guide subassembly and circuit board, the upper cover set up in the top of casing, the transfer printing cavity set up in the inside of casing, the upper cover be used for closing the transfer printing cavity, the circuit board set up in the casing, air guide subassembly is used for to the inside of transfer printing cavity is taken out air and is sent air, the inner wall of upper cover is provided with annular closed silica gel circle, the silica gel circle with the shape and the big or small looks adaptation of the border of transfer printing cavity, a plurality of through of air vents of the inner wall of upper cover are seted up in the region that the silica gel circle encircleed, the air vent is used for after the upper cover closes the transfer printing cavity, transfer printing cavity with form the atmospheric pressure difference between the inner wall of upper cover.

2. The thermal transfer machine of claim 1, wherein the vent is disposed proximate an edge of the inner ring of the silicone ring.

3. The heat transfer machine according to claim 2, wherein the inner wall of the upper cover is provided with a plurality of grooves communicating with each other, and the vent hole is provided in the grooves.

4. A thermal transfer machine as claimed in claim 3 wherein the channels comprise a transverse channel and a vertical channel in communication with each other, the transverse channel being perpendicular to the vertical channel, the vent being disposed at a cross-connect location of the transverse channel and the vertical channel.

5. The thermal transfer machine of claim 4, wherein the number of vent holes is four.