CN213920163U

CN213920163U - 3D coating shell heat-transfer seal machine

Info

Publication number: CN213920163U
Application number: CN202022904266.2U
Authority: CN
Inventors: 万建华; 卞晶文
Original assignee: Liyang Laijiang Fire Door Co ltd
Current assignee: Liyang Laijiang Fire Door Co ltd
Priority date: 2020-12-06
Filing date: 2020-12-06
Publication date: 2021-08-10
Anticipated expiration: 2030-12-06

Abstract

The utility model provides a 3D coating shell heat-transfer seal machine belongs to heat-transfer seal machine technical field. The 3D coating shell thermal transfer printing machine comprises a lifting rack, a vacuum thermal transfer printing mechanism and a waste gas purification mechanism. The elevating rack includes bearing frame, support, C type riser, lead screw, motor, lifter plate and stand, vacuum heat transfer machine constructs including first sealed hot plate, the sealed hot plate of second, slip table, support rack and vacuum pump, first sealed hot plate lid closes on the sealed hot plate of second, the vacuum pump through breathe in the hose communicate in the sealed hot plate bottom of second, the cover orientation of induced drafting first sealed hot plate with the sealed hot plate lid of second closes the department setting, the cover of induced drafting pass through the gas-supply pipe communicate in the clarifier, the utility model discloses not only can carry out the plane printing, can carry out the stereolithography simultaneously, and reduce waste gas effectively to ambient pollution and the injury to the human body.

Description

3D coating shell heat-transfer seal machine

Technical Field

The utility model relates to a heat transfer machine technical field particularly, relates to a 3D coating shell heat-transfer machine.

Background

The heat transfer machine is a general name of machines used in the heat transfer technology, and comprises a plane pyrograph machine, a high-pressure pyrograph machine, a swinging pyrograph machine, a cup baking machine, a baking tray machine, a cap baking machine and other heat transfer machines. The thermal transfer printer is widely used in the printing industry, a general thermal printer can only be printed on a plane object, but with the continuous improvement of the appearance requirement of people on products, the plane printing is difficult to meet the requirement of modern society on aesthetic quality, a three-dimensional printing thermal transfer printer is needed, a large amount of waste gas is easily generated in the transfer printing process, the pollution to the surrounding environment is caused, and the injury to the body of workers is also caused.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above deficiencies, the utility model provides a 3D coating shell heat-transfer seal machine aims at improving the problem that proposes in the above-mentioned background art.

The utility model discloses a realize like this:

the utility model provides a 3D coating shell heat-transfer seal machine, including elevating rack, vacuum heat-transfer seal mechanism and exhaust purification mechanism.

The lifting frame comprises a bearing frame, a support, a C-shaped vertical plate, a lead screw, a motor, a lifting plate and an upright post, wherein the support is fixedly connected to one side of the top of the bearing frame, the C-shaped vertical plate is fixedly connected to the top of the support, the lead screw is vertically and rotatably connected into the C-shaped vertical plate, the motor is installed at the top of the C-shaped vertical plate, an output shaft of the motor penetrates through the top wall of the C-shaped vertical plate and is fixedly connected to the top end of the lead screw, one end of the lifting plate is sleeved with the lead screw in a threaded manner, and the upright post is vertically connected to the other end of the lifting plate.

Vacuum heat transfer machine constructs including first sealed hot plate, the sealed hot plate of second, slip table, support rack and vacuum pump, first sealed hot plate pass through bolster fixed connection in the stand, support rack fixed connection in bearing frame top opposite side, slip table sliding fit installs on the support rack, the sealed hot plate fixed connection of second in the slip table top, first sealed hot plate lid closes on the sealed hot plate of second, the vacuum pump install in the bearing frame, the vacuum pump through breathe in the hose communicate in the sealed hot plate bottom of second.

Exhaust purification mechanism is including the cover and the clarifier of induced drafting, induced draft cover fixed connection in the support is close to one side of the sealed hot plate of second, just induced draft cover orientation first sealed hot plate with the sealed hot plate lid of second closes the department setting, the clarifier install in the support, induced draft the cover through the gas-supply pipe communicate in the clarifier.

The utility model discloses an in an embodiment, two mounting grooves have been seted up to the positive symmetry of cover that induced drafts, all install the air exhauster through the mounting bracket in the mounting groove.

The utility model discloses an in the embodiment, the clarifier is including purifying box, filter screen and purification filter core, the gas-supply pipe both ends communicate respectively in the cover that induced drafts with purify box one side, just the gas-supply pipe pass through pipe strap fixed connection in the support inner wall, the filter screen is vertical to be fixed in be close to in the purification box one side of the hose of breathing in, it is vertical to be fixed in to purify the filter core opposite side in the purification box, it has the exhaust pipe to purify box opposite side intercommunication.

The utility model discloses an in one embodiment, first sealed hot plate with the back of second sealed hot plate all is equipped with the heating pipe through fixed the knot, just first sealed hot plate with all be equipped with the sealing washer around the second sealed hot plate opposite face, second sealed hot plate bottom is equipped with the vacuum and inhales the hole, breathe in hose one end communicate in the hole is inhaled in the vacuum.

In an embodiment of the present invention, the support rack includes an L-shaped support plate, a slide bar and a first roller, the L-shaped support plate is fixedly connected to the top of the support rack, the slide bar is horizontally and fixedly connected to the side wall of the L-shaped support plate and between the supports, and the first roller is rotatably connected to the top of the side wall of the L-shaped support plate.

The utility model discloses an in one embodiment, the slip table includes L type platen, sliding sleeve and second gyro wheel, L type platen bottom butt in first gyro wheel, sliding sleeve fixed connection in L type platen is close to the one end bottom of support, the sliding sleeve slides and cup joints in the slide bar, the second gyro wheel rotate connect in the sliding sleeve bottom, just the second gyro wheel butt in L type backup pad top.

In an embodiment of the present invention, the L-shaped platen is close to the end of the support and is provided with a suction cup, and the end of the other end of the L-shaped platen is provided with a first handle.

The utility model discloses an in one embodiment, the bolster includes fixed disk, buffering spring housing and connecting plate, fixed disk fixed connection in the stand bottom, buffering spring housing annular equidistance is arranged and is set up a plurality of, just buffering spring housing fixed connection in the fixed disk with between the connecting plate, the connecting plate pass through locking bolt fixed connection in first sealing and heating board top.

The utility model discloses an in the embodiment, the lifter plate spiro union in the one end tip of lead screw has set firmly the slider, C type riser inside wall seted up with the spout of slider adaptation.

The utility model discloses an in the embodiment, the bearing frame includes landing leg, diaphragm and workstation, workstation fixed connection in the landing leg top, diaphragm fixed connection in between the landing leg.

The utility model has the advantages that: the utility model discloses a 3D coating shell heat-transfer machine who obtains through above-mentioned design, during the use, pull out the slip table, place the stock in the second sealed hot plate, cover 3D coating film on the stock, promote the slip table again on the support rack horizontal slip until recovering the normal position, rethread motor output shaft drives the lead screw rotation, make the lifter plate move down along with the lead screw rotation, drive stand and first sealed hot plate vertical move down, thereby make first sealed hot plate lid form whole sealed room on the second sealed hot plate, and utilize the bounce of bolster to make first sealed hot plate and second sealed hot plate compress tightly and cover and form whole sealed room, open the vacuum pump, inhale through the breathing hose, take out the vacuum to sealed room, make 3D coating film closely attached with the stock, directly heat sealed room through the heating pipe simultaneously, transfer printing to the stock with the picture and text on the 3D coating film, form 3D printing, can produce a large amount of waste gases at the in-process of rendition, inhale the suction hood with waste gas in, carry through the air hose and filter and purify in transporting to the clarifier, reduce waste gas effectively and pollute and the injury to the human body to the surrounding environment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a 3D coating shell thermal transfer printing machine according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an elevator frame according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a vacuum thermal transfer mechanism according to an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of a vacuum thermal transfer mechanism according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a first sealing and heating plate according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a second sealing and heating plate according to an embodiment of the present invention at a second viewing angle;

fig. 7 is a schematic structural view of an exhaust gas purification mechanism according to an embodiment of the present invention;

fig. 8 is a schematic structural view of an air suction hood according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a purifier provided by an embodiment of the present invention.

In the figure: 10-a lifting frame; 110-a bearing frame; 111-legs; 112-a transverse plate; 113-a table; 120-a scaffold; 130-C type vertical plates; 131-a chute; 140-a screw rod; 150-a motor; 160-a lifter plate; 161-a slider; 170-upright post; 180-a buffer; 181-fixing disc; 182-buffer spring sleeve; 183-locking bolt; 184-connecting plate; 20-a vacuum thermal transfer mechanism; 210-a first sealing and heating plate; 220-a second sealing and heating plate; 221-vacuum suction holes; 230-a sliding table; 231-L-shaped platens; 232-a sliding sleeve; 233-a second roller; 234-suction cup; 235-a first handle; 240-a support stand; 241-L shaped support plate; 242-a slide bar; 243-first roller; 250-a suction hose; 260-vacuum pump; 270-heating the tube; 271-fixing buckle; 280-sealing ring; 30-an exhaust gas purification mechanism; 310-an air suction hood; 311-mounting grooves; 320-an exhaust fan; 321-a mounting rack; 330-gas delivery pipe; 340-a purifier; 341-purifying the box body; 342-a filter screen; 343-a purification cartridge; 350-an exhaust pipe; 360-pipe clamp.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-9, the present invention provides a technical solution: A3D coating shell thermal transfer machine comprises a lifting frame 10, a vacuum thermal transfer mechanism 20 and an exhaust gas purification mechanism 30.

Referring to fig. 2, the lifting frame 10 includes a bearing frame 110, a bracket 120, a C-shaped vertical plate 130, a screw rod 140, a motor 150, a lifting plate 160 and a column 170, the bearing frame 110 includes a leg 111, a horizontal plate 112 and a worktable 113, the worktable 113 is fixedly connected to the top end of the leg 111, the horizontal plate 112 is fixedly connected between the leg 111, specifically, the leg 111, the horizontal plate 112 and the worktable 113 are all fixed by welding, the bracket 120 is fixedly connected to one side of the top of the bearing frame 110, the bracket 120 is welded to one side of the top of the worktable 113, the C-shaped vertical plate 130 is fixedly connected to the top of the bracket 120, an opening of the C-shaped vertical plate 130 faces to the other side of the top of the worktable 113, the screw rod 140 is vertically and rotatably connected in the C-shaped vertical plate 130, the motor 150 is installed at the top of the C-shaped vertical plate 130, an output shaft of the motor 150 penetrates through the top wall of the C-shaped vertical plate 130 and is fixedly connected to the top end of the screw rod 140, the output shaft of the motor 150 is fixed to the top end of the screw rod 140 by a coupler, lead screw 140 is located to lifter plate 160 one end screw thread cover, the lifter plate 160 spiro union has set firmly slider 161 in the one end tip of lead screw 140, the spout 131 with slider 161 adaptation is seted up to C type riser 130 inside wall, play limiting displacement to lifter plate 160, make it can only reciprocate, stand 170 is connected perpendicularly in the lifter plate 160 other end, motor 150 output shaft drives lead screw 140 and rotates, make lifter plate 160 rotate and do the elevating movement along with lead screw 140, drive the vertical reciprocating of stand 170.

Referring to fig. 3 and 4, the vacuum thermal transfer mechanism 20 includes a first sealing heating plate 210, a second sealing heating plate 220, a sliding table 230, a supporting rack 240 and a vacuum pump 260, the first sealing heating plate 210 is fixedly connected to the column 170 through a buffer member 180, specifically, the buffer member 180 includes a fixing plate 181, a buffer spring sleeve 182 and a connecting plate 184, the fixing plate 181 is fixedly connected to the bottom end of the column 170, the fixing plate 181 is fixed to the column 170 by welding, the buffer spring sleeve 182 is annularly and equidistantly arranged and provided with a plurality of buffer spring sleeves 182, the buffer spring sleeve 182 is fixedly connected between the fixing plate 181 and the connecting plate 184, the buffer spring sleeve 182 buffers the first sealing heating plate 210, and can utilize the resilience force to perform an extruding action, the connecting plate 184 is fixedly connected to the top of the first sealing heating plate 210 through a locking bolt 183, and the first sealing heating plate 210 can be quickly and easily mounted and dismounted.

In this embodiment, the supporting rack 240 is fixedly connected to the other side of the top of the bearing rack 110, the second sealing and heating plate 220 is fixedly connected to the top of the sliding table 230, when the specific arrangement is performed, the supporting rack 240 includes an L-shaped supporting plate 241, a sliding rod 242 and a first roller 243, the L-shaped supporting plate 241 is fixedly connected to the top of the bearing rack 110, the sliding rod 242 is horizontally and fixedly connected between the side wall of the L-shaped supporting plate 241 and the bracket 120, the first roller 243 is rotatably connected to the top of the side wall of the L-shaped supporting plate 241, the sliding table 230 is slidably installed on the supporting rack 240, specifically, the sliding table 230 includes an L-shaped platen 231, a sliding sleeve 232 and a second roller 233, the bottom of the L-shaped platen 231 abuts against the first roller 243, the first roller 243 supports the L-shaped platen 231, the sliding sleeve 232 is fixedly connected to the bottom of the L-shaped platen 231 near the bracket 120, the sliding sleeve 232 is slidably sleeved on the sliding rod 242, and the L-shaped platen 231 can freely slide on the left and right of the L-shaped supporting plate 241 by the cooperation of the sliding sleeve 232 and the sliding rod 242 The second roller 233 is rotatably connected to the bottom of the sliding sleeve 232, the second roller 233 abuts against the top of the L-shaped supporting plate 241, the sliding sleeve 232 is supported, deformation of the sliding sleeve 232 and the sliding rod 242 due to excessive stress is prevented, and left and right sliding of the L-shaped platen 231 on the L-shaped supporting plate 241 is affected, a suction cup 234 is arranged at one end of the L-shaped platen 231 close to the support 120, when the L-shaped platen 231 abuts against the outer wall of the support 120 in a sliding manner, the suction cup 234 is adsorbed on the outer wall of the support 120, so that the L-shaped platen 231 is fixed and fixed, the first sealing heating plate 210 covers the second sealing heating plate 220 to form a whole sealing chamber, and a first handle 235 is arranged at the other end of the L-shaped platen 231, and the L-shaped platen 231 is conveniently pushed and pulled to slide left and right.

Referring to fig. 5 and 6, the back surfaces of the first sealing heating plate 210 and the second sealing heating plate 220 are fixedly provided with a heating pipe 270 through a fixing buckle 271, specifically, the back surfaces of the first sealing heating plate 210 and the second sealing heating plate 220 are provided with heating pipes, the heating pipe 270 is buckled in the heating pipes through the fixing buckle 271, the heating pipe 270 is provided with resistance wires, and can directly heat the sealed chamber at the same time, thereby greatly reducing the heating time and increasing the thermal efficiency, and the peripheries of the opposite surfaces of the first sealing heating plate 210 and the second sealing heating plate 220 are provided with sealing rings 280, the sealing rings 280 are mutually matched and can be tightly screwed in a clamping manner, thereby preventing the air leakage of the sealed chamber from influencing the vacuum pumping operation, the first sealing heating plate 210 covers the second sealing heating plate 220, the vacuum pump 260 is installed in the bearing frame 110, and the vacuum pump 260 is communicated with the bottom of the second sealing heating plate 220 through an air suction hose 250, specifically, the bottom of the second sealing and heating plate 220 is provided with a vacuum suction hole 221, one end of the suction hose 250 is communicated with the vacuum suction hole 221, the vacuum pump 260 is started, the suction hose 250 starts to suck air from the vacuum suction hole 221 connected with the suction hose, and the sealing chamber formed by covering the first sealing and heating plate 210 on the second sealing and heating plate 220 is vacuumized, so that the three-dimensional printing transfer film is tightly attached to the printing stock.

Referring to fig. 7-9, the exhaust gas purifying mechanism 30 includes an air suction cover 310 and a purifier 340, the air suction cover 310 is fixedly connected to one side of the bracket 120 close to the second sealing and heating plate 220, and the air suction cover 310 is disposed toward the covering position of the first sealing and heating plate 210 and the second sealing and heating plate 220, so as to facilitate the exhaust gas to be sucked into the air suction cover 310, thereby improving the exhaust gas collecting effect, two mounting grooves 311 are symmetrically formed on the front surface of the air suction cover 310, an exhaust fan 320 is mounted in each mounting groove 311 through a mounting bracket 321, the purifier 340 is mounted in the bracket 120, the air suction cover 310 is communicated with the purifier 340 through an air pipe 330, the purifier 340 includes a purifying box 341, a filter screen 342 and a purifying filter core 343, two ends of the air pipe 330 are respectively communicated with one side of the air suction cover 310 and the purifying box 341, the air pipe 330 is fixedly connected to the inner wall of the bracket 120 through a pipe clamp 360, the filter screen 342 is vertically fixed to one side of the purifying box 341 close to the air suction hose 250, purification filter core 343 is vertical to be fixed in the purification box 341 in the opposite side, purification box 341 opposite side intercommunication has exhaust pipe 350, in the in-process of rendition can produce a large amount of waste gas, start air exhauster 320, air exhauster 320 inhales waste gas in the cover 310 that induced drafts, carry to purification box 341 in through the hose 250 of breathing in, filter through filter screen 342 and get rid of the dust of adulteration in the waste gas, carry out primary filter, then carry out secondary filter purification to waste gas through purification filter core 343, the gas after final filter purification passes through exhaust pipe 350 and discharges, reduce the injury to ambient pollution and human body.

Specifically, the working principle of the 3D coating shell thermal transfer printing machine is as follows: when the device is used, the sliding table 230 is pulled out through the first handle 235, a printing stock is placed in the second sealing and heating plate 220, a 3D coating film is covered on the printing stock, the first roller 243, the sliding sleeve 232 and the sliding rod 242 are matched, the L-shaped platen 231 horizontally slides on the L-shaped supporting plate 241 until the sucking disc 234 is adsorbed on the outer wall of the bracket 120, so that the L-shaped platen 231 and the second sealing and heating plate 220 on the L-shaped platen are fixed, the output shaft of the motor 150 drives the screw rod 140 to rotate, the lifting plate 160 rotates downwards along with the screw rod 140, the upright post 170 and the first sealing and heating plate 210 are driven to vertically move downwards, the first sealing and heating plate 210 is covered on the second sealing and heating plate 220 to form a whole sealing chamber, the first sealing and heating plate 210 and the second sealing and heating plate 220 are pressed and covered by the resilience of the buffer 180 to form the whole sealing chamber, the vacuum pump 260 is started, the air suction hose 250 starts to suck air from the vacuum suction hole 221 connected with the air suction hose, carry out the evacuation to the seal chamber, make 3D coating film closely attached with the stock, carry out the direct heating to the seal chamber through heating pipe 270 simultaneously, with on 3D coating film picture and text rendition to the stock, form the 3D printing, in-process at the rendition can produce a large amount of waste gas, start exhaust fan 320, exhaust fan 320 inhales waste gas in the suction hood 310, carry to in purifying box 341 through the hose 250 of breathing in, filter through filter screen 342 and get rid of the dust of adulteration in the waste gas, carry out primary filtration, then carry out secondary filter purification to waste gas through purifying filter core 343, the gas after the final filtration purification passes through exhaust pipe 350 and discharges, reduce waste gas to ambient pollution and the injury to the human body.

It should be noted that the specific model specifications of the motor 150, the vacuum pump 260 and the exhaust fan 320 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed and redundant operations are not needed.

The power supply and the principle of the motor 150, the vacuum pump 260, the heating pipe 270 and the suction fan 320 will be clear to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A3D coating shell heat transfer machine is characterized by comprising

The lifting machine comprises a lifting machine frame (10), wherein the lifting machine frame (10) comprises a bearing frame (110), a support (120), a C-shaped vertical plate (130), a screw rod (140), a motor (150), a lifting plate (160) and an upright post (170), the support (120) is fixedly connected to one side of the top of the bearing frame (110), the C-shaped vertical plate (130) is fixedly connected to the top of the support (120), the screw rod (140) is vertically and rotatably connected into the C-shaped vertical plate (130), the motor (150) is installed at the top of the C-shaped vertical plate (130), an output shaft of the motor (150) penetrates through the top wall of the C-shaped vertical plate (130) and is fixedly connected to the top end of the screw rod (140), one end of the lifting plate (160) is sleeved on the screw rod (140) in a threaded manner, and the upright post (;

the vacuum thermal transfer printing mechanism (20), the vacuum thermal transfer printing mechanism (20) comprises a first sealing heating plate (210), a second sealing heating plate (220), a sliding table (230), a supporting rack (240) and a vacuum pump (260), the first sealing and heating plate (210) is fixedly connected to the upright post (170) through a buffer member (180), the supporting bench (240) is fixedly connected to the other side of the top of the bearing frame (110), the sliding table (230) is arranged on the supporting rack (240) in a sliding fit manner, the second sealing heating plate (220) is fixedly connected to the top of the sliding table (230), the first sealing and heating plate (210) covers the second sealing and heating plate (220), the vacuum pump (260) is arranged in the bearing frame (110), and the vacuum pump (260) is communicated with the bottom of the second sealing and heating plate (220) through a suction hose (250);

exhaust gas purification mechanism (30), exhaust gas purification mechanism (30) are including the cover (310) and clarifier (340) of induced drafting, induced draft cover (310) fixed connection in support (120) are close to one side of the sealed hot plate of second (220), just induced draft cover (310) orientation first sealed hot plate (210) with the sealed hot plate of second (220) lid department sets up, clarifier (340) install in support (120), induced draft cover (310) through gas-supply pipe (330) communicate in clarifier (340).

2. The 3D coating shell heat transfer printing machine according to claim 1, wherein two installation grooves (311) are symmetrically formed in the front surface of the air suction hood (310), and an exhaust fan (320) is installed in each installation groove (311) through an installation frame (321).

3. The 3D coating shell heat transfer printing machine according to claim 1, wherein the purifier (340) comprises a purification box body (341), a filter screen (342) and a purification filter element (343), two ends of the gas pipe (330) are respectively communicated with one side of the suction hood (310) and one side of the purification box body (341), the gas pipe (330) is fixedly connected to the inner wall of the bracket (120) through a pipe clamp (360), the filter screen (342) is vertically fixed on one side of the purification box body (341) close to the suction hose (250), the purification filter element (343) is vertically fixed on the other side of the purification box body (341), and the other side of the purification box body (341) is communicated with an exhaust pipe (350).

4. The 3D coating shell heat transfer printing machine according to claim 1, wherein the back surfaces of the first sealing heating plate (210) and the second sealing heating plate (220) are fixedly provided with heating pipes (270) through fixing buckles (271), the peripheries of the opposite surfaces of the first sealing heating plate (210) and the second sealing heating plate (220) are provided with sealing rings (280), the bottom of the second sealing heating plate (220) is provided with a vacuum suction hole (221), and one end of the suction hose (250) is communicated with the vacuum suction hole (221).

5. The 3D coating shell thermal transfer printing machine according to claim 1, wherein the support rack (240) comprises an L-shaped support plate (241), a slide bar (242) and a first roller (243), the L-shaped support plate (241) is fixedly connected to the top of the bearing rack (110), the slide bar (242) is horizontally and fixedly connected between the side wall of the L-shaped support plate (241) and the bracket (120), and the first roller (243) is rotatably connected to the top of the side wall of the L-shaped support plate (241).

6. The 3D coating shell thermal transfer printing machine according to claim 5, wherein the sliding table (230) comprises an L-shaped platen (231), a sliding sleeve (232) and a second roller (233), the bottom of the L-shaped platen (231) abuts against the first roller (243), the sliding sleeve (232) is fixedly connected to the bottom of one end of the L-shaped platen (231) close to the support (120), the sliding sleeve (232) is slidably sleeved on the sliding rod (242), the second roller (233) is rotatably connected to the bottom of the sliding sleeve (232), and the second roller (233) abuts against the top of the L-shaped support plate (241).

7. The 3D coating shell thermal transfer printing machine according to claim 6, characterized in that one end of the L-shaped platen (231) near the bracket (120) is provided with a suction cup (234), and the other end of the L-shaped platen (231) is provided with a first handle (235).

8. The 3D coating shell heat transfer machine of claim 1, wherein the buffer member (180) comprises a fixed disk (181), a buffer spring sleeve (182) and a connecting plate (184), the fixed disk (181) is fixedly connected to the bottom end of the column (170), the buffer spring sleeve (182) is annularly arranged in equal distance to form a plurality of buffer spring sleeves, the buffer spring sleeves (182) are fixedly connected between the fixed disk (181) and the connecting plate (184), and the connecting plate (184) is fixedly connected to the top of the first sealing heating plate (210) through a locking bolt (183).

9. The 3D coating shell heat transfer printing machine according to claim 1, wherein a sliding block (161) is fixedly arranged at one end of the lifting plate (160) screwed to the screw rod (140), and a sliding groove (131) matched with the sliding block (161) is formed in the inner side wall of the C-shaped vertical plate (130).

10. The 3D coating shell thermal transfer printing machine according to claim 1, characterized in that the bearing frame (110) comprises legs (111), a cross plate (112) and a workbench (113), the workbench (113) is fixedly connected to the top ends of the legs (111), and the cross plate (112) is fixedly connected between the legs (111).