CN115476575A - Heat transfer printing machine - Google Patents

Abstract

The invention discloses a thermal transfer printer, which is used for carrying out image thermal transfer printing on an electronic equipment shell and 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 and is pivotally connected with the shell through a pivot shaft, the size of the upper cover is smaller than that of the shell, the transfer printing cavity is arranged in the shell, the upper cover is used for covering the transfer printing cavity, a reserved surface is arranged at the part of the shell, which is more than the upper cover, and is not arranged on the rotary projection of the upper cover, an operation panel is arranged on the reserved surface, the operation panel is connected with the circuit board, the circuit board is arranged in the shell, and the air guide assembly is used for exhausting and supplying air to the inside of the transfer printing cavity. This thermal transfer machine has avoided operation interface to be sheltered from at the open mode for the rendition operation is more convenient.

Description

Heat transfer printing machine

Technical Field

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

Background

When the existing transfer printing equipment is used for transfer printing, an operation interface is often arranged to operate a transfer printing process, but the existing transfer printing equipment can form a blocking obstacle on the operation interface in an open state, which is not beneficial for an operator to perform button operation, and the patent application with the application number of 201920548346.3 and the name of 3D coating shell thermal transfer printing machine is referred.

Therefore, how to make the transfer printing device eliminate the shielding of the operation interface in the open state is a technical problem that needs to be solved by technical personnel in the technical field, so that the transfer printing operation is more convenient.

Disclosure of Invention

The invention mainly solves the technical problem of providing a thermal transfer printer, and solves the problem that the transfer operation is influenced because an operation interface of a transfer printing device in an open state is shielded in the prior art.

In order to solve the technical problems, the technical scheme adopted by the invention is to provide a thermal transfer printer which is used for carrying out image thermal transfer printing on a shell of an electronic device and 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 and is in pivot connection with the shell through a pivot shaft, the size of the upper cover is smaller than that of the shell, the transfer printing cavity is arranged in the shell, the upper cover is used for covering the transfer printing cavity, a reserved surface is arranged on the part of the shell, which is larger than the upper cover, and is not arranged on the rotary projection of the upper cover, an operation panel is arranged on the reserved surface and is connected with the circuit board, the circuit board is arranged in the shell, and the air guide assembly is used for exhausting air and supplying air to the inside of the transfer printing cavity.

Preferably, the inner wall of the transfer chamber is provided with a plurality of grooves.

Preferably, the plurality of grooves are in cross communication.

Preferably, the fixing device further comprises a fixing component, the fixing component is used for nesting an electronic equipment shell, the fixing component comprises a shell jig, a jig mounting table, a fixing lug and a spring, the shell jig is used for nesting the electronic equipment shell, the jig mounting table is used for nesting the shell jig, the jig mounting table is arranged on the inner wall of the transfer printing cavity, the fixing lug is arranged on the jig mounting table, the upper end of the fixing lug is exposed out of the jig mounting table, the spring is vertically arranged on the jig mounting table, the shell jig is provided with a fixing hole, a clamping strip is arranged in the fixing hole and used for clamping the upper end of the fixing lug, the shell jig is pressed, the elasticity of the spring is utilized, the upper end of the fixing lug penetrates through the fixing hole, and then the shell jig is transversely moved, so that the clamping strip is clamped with the upper end of the fixing lug.

Preferably, the clamping strips are distributed on two sides of the fixing hole, the upper end of the fixing bump extends out of the clamping wings towards two sides, and the clamping wings are used for being clamped on the clamping strips in a lap joint mode.

Preferably, the jig mounting table comprises an upper mounting table and a lower mounting table, the lower mounting table is arranged on the inner wall of the transfer printing cavity, the lower mounting table is provided with a plurality of spring mounting holes for accommodating springs, the springs are exposed out of the upper surface of the lower mounting table, the lower mounting table is provided with a first through hole for the fixed lug to pass through, the upper mounting table is provided with a second through hole for the fixed lug to pass through, and the bottom surface of the upper mounting table is provided with a plurality of first stand columns for penetrating into the center of the spring.

Preferably, still include the rendition subassembly, the rendition subassembly includes the silica gel layer, and the silica gel layer sets up in the inner wall of upper cover, and the silica gel layer is used for thermal deformation parcel electronic equipment shell.

Preferably, the edge of the transfer printing cavity is provided with a positioning column, and the positioning column is used for being matched with the transfer printing film to position the transfer printing film.

Preferably, the edge of the transfer printing film is provided with a positioning hole, and the positioning hole is used for being sleeved and connected with the positioning column.

Preferably, the air guide assembly comprises an air pump, a motor and an air pipeline which are arranged inside the shell, the air pump is connected with the motor, the air pipeline is connected with the air pump, and the air pipeline is further communicated with the transfer printing cavity.

The invention has the beneficial effects that: the invention discloses a thermal transfer printer, which is used for carrying out image thermal transfer printing on an electronic equipment shell and 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 and is pivotally connected with the shell through a pivot shaft, the size of the upper cover is smaller than that of the shell, the transfer printing cavity is arranged in the shell, the upper cover is used for covering the transfer printing cavity, a reserved surface is arranged at the part of the shell, which is more than the upper cover, and is not arranged on the rotating projection of the upper cover, so that the reserved surface can not be shielded all the time in the rotating process of the upper cover, an operation panel is arranged on the reserved surface, the condition that an operation interface is shielded is avoided, the transfer printing operation is more convenient, the operation panel is connected with the circuit board, the circuit board is arranged in the shell, and the air guide assembly is used for exhausting and supplying air to the inside of the transfer printing cavity.

Drawings

FIG. 1 is a schematic view of an embodiment of a thermal transfer printer of the present invention;

FIG. 2 is a schematic view showing an opened state of an upper cover in the embodiment shown in FIG. 1;

FIG. 3 is an exploded schematic view of the embodiment of FIG. 2;

FIG. 4 is an exploded schematic view (shielding transfer film) of the embodiment shown in FIG. 3;

FIG. 5 is a schematic cross-sectional view of another embodiment of a thermal transfer printer according to the present invention;

FIG. 6 is an exploded view of a stationary assembly in another embodiment of the thermal transfer printer of the present invention;

FIG. 7 is a schematic cross-sectional view of a stationary assembly in another embodiment of a thermal transfer printer according to the present invention;

FIG. 8 is an enlarged partial view of part A of the embodiment shown in FIG. 7;

FIG. 9 is a schematic view of the interior of a housing of another embodiment of a thermal transfer printer according to the present invention;

FIG. 10 is a schematic view of the interior of a housing of another embodiment of a thermal transfer printer according to the present invention;

fig. 11 is a schematic view of a heating element in another embodiment of a thermal transfer printer according to the present invention.

Detailed Description

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention 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.

It is to be noted that, 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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

With reference to fig. 1, 2, 3 and 4, the thermal transfer printer is used for performing image thermal transfer printing on an electronic device casing, where the electronic device includes, but is not limited to, a mobile phone, a tablet, and the like, and the corresponding electronic device casing includes, but is not limited to, a mobile phone casing, a tablet casing, and the like, the thermal transfer printer includes an upper cover 1, a casing 2, a transfer chamber 3, an air guide assembly 4, and a circuit board 5, the upper cover 1 is disposed above the casing 2 and pivotally connected to the casing 2 via a pivot shaft (not shown, the pivot shaft is similar to a rotating shaft, and the upper cover is capable of rotating in an up-and-down manner around the shaft), the size of the upper cover 1 is smaller than that of the casing 2, the transfer chamber 3 is disposed in the casing 2, and the upper cover 1 is used for covering the transfer chamber 3, the part of the shell 2, which is larger than the upper cover 1, is provided with a reserved surface 21, the reserved surface 21 is not arranged on the rotary projection of the upper cover 1, an operation panel 22 is arranged on the reserved surface 21, the operation panel 22 is connected with the circuit board 5, the circuit board 5 is arranged in the shell 2, and the air guide assembly 4 is used for exhausting and supplying air to the inside of the transfer printing cavity 3, wherein the area represented by the rotary projection is an area covered between two arc arrows T1 in fig. 2, namely, the partial area of the upper cover 1 projected on the surface of the shell 1 in the rotating process, and the reserved surface 21 is not arranged in the rotary projection area, so that the operation panel on the reserved surface 21 cannot be shielded no matter how the upper cover 1 rotates or stops in the opening state, and the operation is convenient.

The inner wall of rendition cavity 3 is provided with a plurality of slots 6, when current heat-transfer seal machine rendition, often present to the rendition cavity evacuation, and rendition membrane M1 when hugging closely the bottom of rendition cavity, rendition membrane M1 is in the rendition cavity 3 of laminating this embodiment, can produce the bubble, thereby make the air have partly stay in rendition cavity 3, can not be with whole rendition cavity 3 evacuation, and the bubble that produces also can influence the whole effect of rendition, and through setting up slot 6, can make rendition membrane M1 when clinging the inner wall of rendition cavity 3, the air in rendition cavity 3 also can be taken away along slot 6, make rendition membrane M1 at utmost with wait to transfer to the thing and laminate, thereby the at utmost makes rendition cavity 3 become the vacuum state, rendition efficiency and effect have been improved greatly.

Preferably, the inner wall of the upper cover 1 is also provided with a plurality of grooves 6, so that when the upper cover 1 covers the transfer printing cavity 3, air in a huge cavity formed between the transfer printing cavity 3 and the upper cover 1 can be more cleanly and quickly dried.

Preferably, the grooves 6 are holes or strips.

Preferably, the shape of the cross section of the groove 6 is U-shaped, the inner wall of the groove 6 of the U-shaped cross section is smoother, and abrupt bends are few, so that the speed of air circulation in the groove 6 is increased, the air can be pumped out more quickly, and the vacuum pumping efficiency is improved.

Preferably, the plurality of grooves 6 are in cross communication, and particularly, the plurality of grooves 6 are in cross communication in a longitudinal and transverse direction, so that air at each position in the transfer printing cavity 3 can be conveniently and rapidly drawn away along the plurality of communicated grooves 6.

The transfer printing cavity 3 is provided with a vent hole 32, the vent hole 32 is downwards connected with the air guide assembly 4, and at least one groove 6 is communicated with the vent hole 32, so that air in the groove 6 can be conveniently collected to the vent hole 32 along the groove 6, the vacuum-pumping efficiency is improved, and the air can be pumped to be dry more quickly.

Further preferably, the vent 32 is disposed at the middle position of the transfer chamber 3, so as to collect and dry the air on four sides inside the transfer chamber 3.

Preferably, the transfer film M1 is a film, the film can also be replaced by color printing paper, images to be transferred are arranged on the film and the color printing paper, the film is used for covering the outer wall of the electronic device housing, and the color printing paper is used for wrapping the outer wall of the electronic device housing.

With reference to fig. 5, 6, 7 and 8, the thermal transfer printer further includes a detachable fixing component 7 disposed in the transfer printing cavity 3, the fixing component 7 is used for nesting the electronic device casing, that is, the fixing component 7 is used for positioning and fixing the electronic device casing, the fixing component 7 includes a casing fixture 71, a fixture mounting table 72, a fixing bump 73 and a spring 74, the casing fixture 71 is used for nesting the electronic device casing, the fixture mounting table 72 is used for nesting the casing fixture 71, the fixture mounting table 72 is disposed on the inner wall of the transfer printing cavity 3, the fixing bump 73 is disposed on the fixture mounting table 72, the upper end of the fixing bump 73 is exposed out of the fixture mounting table 72, the spring 74 is vertically disposed on the fixture mounting table 72, the casing fixture 71 is provided with a fixing hole 711, be provided with block strip 7111 in fixed orifices 711, block strip 7111 is used for carrying out the block to the upper end of fixed lug 73, through pressing shell tool 71, utilize the elasticity of spring 74, make the upper end of fixed lug 73 pass fixed orifices 711, lateral shifting shell tool 71 again, make block strip 7111 and the upper end of fixed lug 73 realize the block, the detachable design of fixed subassembly 7, can make the electronic equipment shell can pinpoint and fix on the one hand, reduce the rendition error, improve rendition efficiency and effect, on the other hand is through changing different kinds of shell tool 71, make shell tool 71 can match the electronic equipment shell of different sizes and shape, for example, match different kinds of cell-phone shell, and then can carry out image transfer to diversified cell-phone shell.

Preferably, the engaging strips 7111 are disposed at two sides of the fixing hole 711, and the upper ends of the fixing protrusions 73 extend to two sides to form engaging wings 731 for engaging with the engaging strips in an overlapping manner.

Preferably, the end of the engaging strip 7111 is provided with a protrusion Q1, the protrusion Q1 is in a dot shape, a spherical shape or a ridge shape, and when the engaging wings 731 are engaged with the engaging strip 7111, the protrusion Q1 can block the engaging wings 731 from disengaging from the engaging strip 7111, so as to ensure the stability of the engagement between the housing jig 71 and the jig mounting table 72, thereby ensuring the transfer effect.

Preferably, the jig mounting table 72 includes an upper mounting table 721 and a lower mounting table 722, the lower mounting table 722 is disposed on the inner wall of the transfer printing cavity 3, the lower mounting table 722 is provided with a plurality of spring mounting holes 7221 for accommodating the springs 74, and the springs 74 are exposed on the upper surface of the lower mounting table 722, the lower mounting table 722 is provided with a first through hole 7222 for the fixing protrusion 73 to pass through, the upper mounting table 721 is provided with a second through hole 7211 for the fixing protrusion 73 to pass through, and the bottom surface of the upper mounting table 721 is provided with a plurality of first vertical columns (not shown) for penetrating into the center of the springs 74, the first vertical columns are used for penetrating into the central axis of the springs 74, that is, the springs 74 are sleeved on the first vertical columns, so as to conveniently limit the direction of the elastic deformation of the springs 74, ensure that the springs 74 are always elastically deformed in the vertical direction, and the spring mounting holes 7221 also limit and fix the positions of the springs 74, so that the springs 74 are always elastically deformed in the vertical direction, thereby ensuring the accuracy of the position of the case 71 pressed down on the jig mounting table 72, and ensuring the final transfer printing effect.

The heat transfer machine further comprises a transfer printing assembly 8, the transfer printing assembly comprises a silica gel layer 81, the silica gel layer 81 is arranged on the inner wall of the upper cover 1, the silica gel layer 81 is used for wrapping the shell of the electronic equipment through thermal deformation, the transfer printing assembly 8 further comprises a support frame 82, the support frame 82 is used for supporting the fixed silica gel layer 81, the support frame 82 is rectangular, the support frame 82 surrounds the periphery of the silica gel layer 81, and therefore the silica gel layer 81 is unfolded to be smooth, the silica gel layer 81 has ductility, and thermal deformation is achieved.

Preferably, a positioning column 31 is disposed at an edge of the transfer chamber 3, and the positioning column 31 is used for cooperating with the transfer film M1 to position the transfer film M1.

Further preferably, the border of rendition membrane M1 is provided with locating hole M2, locating hole M2 is used for being connected with reference column 31 registrates, through setting up reference column 31, can be so that when fixed rendition membrane M1 with locating hole M2 and reference column 31 registrates can, greatly improve the location accuracy nature of rendition membrane, avoid current rendition equipment need paste the rendition membrane in advance when the rendition and wait to transfer to the condition that the rendition membrane aversion that arouses caused the rendition error on the object, greatly reduced the rendition flaw rate, improved rendition efficiency and effect.

Preferably, the number of the positioning holes M2 is six, the six positioning holes M2 are sequentially and adjacently enclosed to form a rectangle, the six positioning columns 31 are six, and the six positioning columns 31 are sequentially and adjacently enclosed to form a rectangle, so that the positioning columns 31 and the positioning holes M2 are accurately sleeved, and the positioning and fixing accuracy of the transfer printing film M1 is guaranteed.

Preferably, with reference to fig. 9 and 10, the air guide assembly 4 is disposed inside the casing 2, the air guide assembly 4 includes an air pump 41 disposed inside the casing 2, a motor 42 and an air pipeline 43, the air pump 41 is connected to the motor 42, the air pipeline 43 is connected to the air pump 41, the air pipeline 43 is further communicated with the transfer printing cavity 3, specifically, the transfer printing cavity 3 is provided with a vent hole 32, the vent hole 32 is connected to the air pipeline 43 downward, that is, the air pipeline 43 is further communicated with the vent hole 32, and the air guide assembly 4 is disposed inside the casing 2, so that the safety problem caused by exposure to the outside is solved, and meanwhile, the condition that the soft air pipeline is exposed to the outside and easily causes winding and knotting is avoided, the safety of the transfer printing vacuum-pumping process is improved, the space occupation volume of the transfer printing device is reduced, and the transfer printing efficiency is improved.

Preferably, the air pipeline 43 includes a first pipeline L1, a second pipeline L2 and a third pipeline L3, a first end of the first pipeline L1 is connected to the vent hole 32, a second end of the first pipeline L1 is connected to a first end of the second pipeline L2 and a first end of the third pipeline L3, a second end of the second pipeline L2 is connected to a vent valve 44, the vent valve 44 is used for air entering the second pipeline L2, namely, air in the transfer cavity 3 needs to be recovered after the transfer cavity 3 is vacuumed, so as to open the upper cover, and take out the electronic device housing after the image transfer is successful, which needs to enter air outside the transfer cavity 3 into the second pipeline L2 through the vent valve 44, and further send air into the transfer cavity 3 through the first pipeline L1 to relieve the vacuum state of the transfer cavity 3, a second end of the third pipeline L3 is connected to an air pump 41, the air pump 41 is provided with an exhaust port 411, and the exhaust port 411 is used for exhausting air exhausted from the transfer cavity 3.

Referring to fig. 11 again, the image thermal transfer printing apparatus further includes a heating assembly for heating the image thermal transfer printing, the heating assembly is disposed inside the upper cover 1 and below the transfer printing cavity 3, specifically, the heating assembly includes a heating plate 9 and a connecting wire 91, the connecting wire 91 connects the heating plate 9 and the circuit board 5, an auxiliary transfer printing cavity 11 is disposed in the upper cover 1, the heating plate 9 is disposed on an outer wall of the auxiliary transfer printing cavity 11 and an outer wall of a bottom of the transfer printing cavity 3, and by disposing the heating plate 9, heating and transfer printing of the auxiliary transfer printing cavity 11 and the transfer printing cavity 3 can be controlled.

When this heat transfer machine of practical application, open upper cover 1 earlier, with the electronic equipment shell, like the cell-phone shell, nestification is on fixed subassembly 7, then utilize the registrate of locating hole M2 and reference column 31 to fix transfer printing film M1 that sets up the image that remains to be transferred on rendition cavity 3, so that it corresponds good position with the cell-phone shell to treat the transfer printing image, or with transfer printing film M1 replacement for color printing paper, utilize color printing paper to wrap up the outer wall and the lateral wall of cell-phone shell, then nest cell-phone shell on fixed subassembly 7, utilize transfer printing film M1 or color printing paper, and after utilizing fixed subassembly 7 location to fix the cell-phone shell, again cover upper cover 1 and close rendition cavity 3, then control operating panel 22 and carry out the rendition, during the heat transfer rendition, air guide 4 takes out the air in the rendition cavity 3, make rendition cavity 3 be the vacuum state, heating element heats rendition cavity 3, silica gel layer 81 can warp the parcel cell-phone shell simultaneously, synthesize and influence down, realized treating on the transfer printing film M1 or color printing paper and seal the image on the cell-phone shell, then air guide 4 transports the cavity 3 again, open the rendition cavity, the transfer process is taken out, the rendition process of taking out.

Based on the above embodiments, the present invention discloses a thermal transfer printer for performing thermal transfer printing on an image on a housing of an electronic device, and the thermal transfer printer has the following advantages:

1. compare in prior art heat-transfer machine and shelter from operating interface easily at the open mode, with this can hinder operating personnel to the operation of heat-transfer machine, the rendition efficiency of heat-transfer machine has been reduced, this application is through setting up the reservation face on the casing, and the reservation face does not set up on the rotation projection of upper cover, with this avoid the upper cover to the sheltering from of reservation face, then set up operating panel on the reservation face and carry out the rendition operation, this has avoided the upper cover to operating panel's sheltering from at the open mode, the rendition operation has been made things convenient for, the rendition efficiency has been improved.

2. Compare in prior art and take place the rendition membrane easily when the rendition evacuation and hug closely rendition cavity inner wall and produce the bubble, the vacuum degree of rendition cavity has been reduced, then influence whole rendition efficiency, this application heat transfer machine sets up a plurality of slots through the inner wall at the rendition cavity, make the rendition membrane when pasting tight rendition cavity inner wall, the air in the rendition cavity can be taken out along the slot, the production of bubble has been avoided, the vacuum degree of rendition cavity has been improved greatly, then, rendition effect and efficiency have been improved greatly.

3. Compare in prior art before the rendition need paste the rendition membrane earlier on treating the rendition object, then it is fixed with the rendition membrane, the aversion of rendition membrane takes place easily during this, thereby make the rendition produce higher defective percentage, this application heat transfer machine is through setting up the reference column at rendition cavity border, come to carry out accurate location with the rendition membrane cooperation with this, the higher condition of rendition defective percentage that has avoided the fixed inaccurate of rendition membrane position to cause, greatly reduced the rendition defective percentage, make the rendition membrane fix a position accurately, the transfer efficiency is improved.

4. Compare in prior art often will treat when the rendition object setting in the cavity that shape and size are fixed, make to treat that the rendition object is fixed firm, nevertheless this makes the rendition kind, rendition shape and rendition size have received the restriction, can't realize different types, the object of waiting to transfer of shape and size is rendition, the fixed knot who is used for the fixed object of waiting to transfer simultaneously often also is that the structure is fixed not dismantled and assembled, the heat transfer machine of this application treats the rendition object through setting up removable fixed subassembly and fixes, realized the location accuracy and fixed firm of waiting to transfer the object on the one hand, the rendition error has been reduced, transfer efficiency and effect have been improved, on the other hand shell tool among the different fixed subassemblies is changed to the accessible, make the shell tool can match the object of waiting to transfer of different sizes and shape, for example, match different types of cell-phone shells, and then can carry out the image transfer to diversified cell-phone shell.

5. Compare in prior art need carry out the evacuation operation to the rendition cavity when the rendition, but the pipeline structure of evacuation wherein sets up in the rendition equipment outsidely, this safety that is unfavorable for evacuation subassembly and pipeline on the one hand, on the other hand also can occupy too much space volume, and the pipeline is often soft, the winding condition of knoing can take place to the external world, influence rendition evacuation operation, thereby influence the rendition effect, this application heat transfer machine has avoided the exposed condition of pipeline of evacuation through setting up the air guide subassembly that will be used for the evacuation inside the casing, avoided the evacuation pipeline to expose and the emergence of the security problem that arouses on the one hand, on the other hand has also hidden and has protected the air guide subassembly, avoided because the evacuation pipeline exposes and the too much space volume's that occupies the condition that appears.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides a thermal transfer machine for carry out image heat to electronic equipment shell and pass through the pivot axle with casing pivotal connection, the size of upper cover is less than the size of casing, the rendition cavity set up in the casing, the upper cover is used for the lid to close the rendition cavity, the casing is many out the part of upper cover is provided with the reservation face, the reservation face does not set up in on the rotation projection of upper cover, be provided with operating panel on the reservation face, operating panel connects the circuit board, the circuit board set up in the casing, the air guide subassembly is used for right the inside of rendition cavity is carried out and is bled and bleed.

2. The thermal transfer machine according to claim 1, characterized in that the inner wall of the transfer chamber is provided with a plurality of grooves.

3. The thermal transfer machine of claim 2, wherein a plurality of said channels are in cross communication.

4. The thermal transfer printer according to claim 3, further comprising a fixing component for nesting an electronic device housing thereon, wherein the fixing component comprises a housing jig, a jig mounting table, a fixing protrusion, and a spring, the housing jig is for nesting the electronic device housing thereon, the jig mounting table is for nesting the housing jig thereon, the jig mounting table is disposed on an inner wall of the transfer printing cavity, the fixing protrusion is disposed on the jig mounting table, an upper end of the fixing protrusion is exposed out of the jig mounting table, the spring is vertically disposed on the jig mounting table, the housing jig is provided with a fixing hole, the fixing hole is provided with a clamping strip, the clamping strip is used for clamping an upper end of the fixing protrusion, and by pressing the housing jig, the upper end of the fixing protrusion passes through the fixing hole by using elasticity of the spring, and then the housing jig is moved laterally, so that the clamping strip is clamped with the upper end of the fixing protrusion.

5. The thermal transfer printer according to claim 4, wherein the engaging strips are disposed at two sides of the fixing hole, and the upper end of the fixing protrusion extends to two sides to form engaging wings for engaging with the engaging strips in an overlapping manner.

6. The thermal transfer printer according to claim 5, wherein the jig mounting table includes an upper mounting table and a lower mounting table, the lower mounting table is disposed on an inner wall of the transfer printing chamber, the lower mounting table is provided with a plurality of spring mounting holes for receiving the springs, the springs are exposed on an upper surface of the lower mounting table, the lower mounting table is provided with a first through hole for the fixing protrusion to pass through, the upper mounting table is provided with a second through hole for the fixing protrusion to pass through, and a bottom surface of the upper mounting table is provided with a plurality of first posts for penetrating into a center of the springs.

7. The thermal transfer printer according to any one of claims 2 to 6, further comprising a transfer printing assembly, wherein the transfer printing assembly comprises a silicone layer, the silicone layer is disposed on an inner wall of the upper cover, and the silicone layer is used for wrapping an electronic device housing by thermal deformation.

8. The thermal transfer printer according to claim 7, wherein the transfer chamber is provided with positioning posts at edges thereof, and the positioning posts are used for cooperating with the transfer film to position the transfer film.

9. The thermal transfer printer according to claim 8, wherein the edge of the transfer film is provided with a positioning hole, and the positioning hole is used for being sleeved and connected with the positioning column.

10. The thermal transfer printer according to claim 9, wherein the air guide assembly comprises an air pump, a motor and an air pipeline, the air pump is disposed inside the casing, the air pump is connected to the motor, the air pipeline is connected to the air pump, and the air pipeline is further communicated with the transfer printing cavity.

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