Photosensitive resin recovery device for photocuring 3D printing

Abstract

The utility model provides a photosensitive resin recovery device for photocuring 3D printing, which is characterized by comprising a resin absorption device, a resin collection device, a hose and a suction head, the resin absorption device is communicated and detachably connected with the resin collection device, one end of the hose is communicated with the resin absorption device, and the other end of the hose is communicated with the suction head. According to the utility model, residual resin in the resin tank is sucked out through the suction head, flows through the resin absorption device through the hose and then is collected and recovered by the resin collection device, and the recovered photosensitive resin can be transferred into the photosensitive resin collection bottle after the resin collection device is fully collected. According to the device, the photosensitive resin in the photocuring 3D printing can be effectively and conveniently recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, in particular to a photosensitive resin recovery device for photocuring 3D printing. Background Art

[0002] Stereolithography 3D printing is a process that uses lasers to focus on the surface of photocurable materials (such as liquid photosensitive resin) to form a three-dimensional entity layer by layer. During the operation of a photocurable 3D printer, the liquid photosensitive resin in the photocurable resin tank is gradually cured and consumed. After printing is completed, the remaining photosensitive resin in the photocurable resin tank should be recovered and stored. The existing methods for recovering the resin in the photocurable resin tank are usually manual recovery or syringe extraction. Therefore, the current 3D printing photocurable resin tank assembly lacks an effective photosensitive resin recovery device. Utility Model Content

[0003] The technical problem to be solved by the utility model is to make up for the deficiencies of the above-mentioned prior art and propose a photosensitive resin recovery device for photocuring 3D printing.

[0004] The technical problem of the utility model is solved by the following technical solutions:

[0005] A photosensitive resin recovery device for photocurable 3D printing, comprising a resin absorbing device, a resin collecting device, a hose and a suction head; the resin absorbing device is connected to the resin collecting device and is detachably connected, one end of the hose is connected to the resin absorbing device, and the other end of the hose is connected to the suction head.

[0006] Preferably, the resin absorption device includes a shell, a power module, a pump, a feed bin and a discharge bin; the pump, the feed bin and the discharge bin are all arranged in the shell, the power module is electrically connected to the pump, and the suction head, the hose, the feed bin, the pump, the discharge bin and the resin collection device are connected in sequence.

[0007] Preferably, the power module comprises a switch and a battery, the battery is disposed in the housing and electrically connected to the pump, and the switch is disposed on the housing to trigger the battery to power the pump.

[0008] Preferably, the resin collecting device comprises an outer shell and a collecting tube, the outer shell is detachably connected to the shell of the resin absorbing device, the collecting tube is located in the outer shell, the upper end of the collecting tube is connected to the discharge bin, and the lower end of the collecting tube is at a predetermined height from the bottom of the outer shell.

[0009] Preferably, the suction head comprises a flat suction head body, the suction head body has an inner cavity narrowed from the front end of the suction head body to the rear end of the suction head body, the rear end of the suction head body is connected to the other end of the hose, and the front end of the suction head body has a slit-shaped suction port.

[0010] Preferably, the hose is a light-proof hose.

[0011] Preferably, the housing of the resin absorbing device and the outer shell of the resin collecting device are both cylindrical; and the outer shell of the resin collecting device is transparent.

[0012] Preferably, one end of the hose is connected to the resin absorbing device at a side of the resin absorbing device and close to the bottom of the resin absorbing device.

[0013] Preferably, the height between the lower end of the collecting pipe and the bottom of the housing is 30-50 mm.

[0014] Preferably, the inner cavity of the suction head body is trapezoidal.

[0015] The beneficial effects of the utility model include: the photosensitive resin recovery device for light-curing 3D printing of the utility model includes a resin absorption device, a resin collecting device, a hose and a suction head; the resin absorption device is connected to the resin collecting device and is detachably connected, one end of the hose is connected to the resin absorption device, and the other end of the hose is connected to the suction head. Through the utility model, the residual resin in the resin tank is sucked out by the suction head, flows through the resin absorption device through the hose, and is collected and recovered by the resin collecting device. After the resin collecting device is full, it can be disassembled to transfer the recovered photosensitive resin to the photosensitive resin collection bottle. The utility model can effectively and conveniently recycle the photosensitive resin in light-curing 3D printing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a photosensitive resin recovery device for photocuring 3D printing in an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of a photosensitive resin recovery device for photocuring 3D printing in an embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the suction head of the photosensitive resin recovery device for photocuring 3D printing in an embodiment of the utility model.

[0019] Figure 4 It is a schematic cross-sectional view of a suction head of a photosensitive resin recovery device for photocuring 3D printing in an embodiment of the utility model. DETAILED DESCRIPTION

[0020] The present invention is further described below with reference to the accompanying drawings and in combination with preferred embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0021] It should be noted that the directional terms such as left, right, up, down, top, and bottom in this embodiment are merely relative concepts or are based on the normal use status of the product, and should not be considered as restrictive.

[0022] like Figure 1-4 As shown, the utility model provides a photosensitive resin recovery device for photocuring 3D printing, which includes: a resin absorption device 1, a resin collecting device 2, a hose 3 and a suction head 4; the resin absorption device 1 is connected to the resin collecting device 2 and can be detachably connected, one end of the hose 3 is connected to the resin absorption device 1, and the other end of the hose 3 is connected to the suction head 4. When the photosensitive resin recovery device is working, the residual resin in the resin tank is sucked out by the suction head 4, flows through the resin absorption device 1 through the hose 3, and is collected and recovered by the resin collecting device 2. After the resin collecting device 2 is full, it can be disassembled from the resin absorption device 1 and the recovered photosensitive resin can be transferred to the photosensitive resin collection bottle.

[0023] In a preferred embodiment, Figure 2 As shown, the resin absorption device 1 includes a shell 11, a power module 12, a pump 13, a feed bin 14 and a discharge bin 15; the pump 13, the feed bin 14 and the discharge bin 15 are all arranged in the shell 11, the power module 12 is electrically connected to the pump 13, and the suction head 4, the hose 3, the feed bin 14, the pump 13, the discharge bin 15 and the resin collection device 2 are connected in sequence.

[0024] In a preferred embodiment, Figure 2 As shown, the power module 12 includes a switch 121 and a battery 122. The battery 122 is disposed in the housing 11 and is electrically connected to the pump 13. The switch 121 is disposed on the housing 11 to trigger the battery 122 to supply power to the pump 13. Figure 2 As shown, the flow direction of the photosensitive resin is shown by the arrow. After pressing the switch 121, the battery 122 supplies power to the pump 13, and the photosensitive resin is sucked into the feed bin 14 through the hose 3 by the suction head 4, flows through the pump 13 and flows into the discharge bin 15 and enters the resin collection device 2. More specifically, as Figure 2 As shown, the resin absorption device 1 includes a silo body, which has the feed silo 14 and the discharge silo 15. The silo body is located in the lower part of the shell 11, the pump 13 and the battery 122 are installed above the silo body, and the switch 121 is exposed outside the shell 11 for easy operation.

[0025] In a preferred embodiment, Figure 2 As shown, the resin collecting device 2 includes an outer shell 21 and a collecting tube 22. The outer shell 21 is detachably connected to the shell 11 of the resin absorbing device 1. The collecting tube 22 is located in the outer shell 21. The upper end of the collecting tube 22 is connected to the discharge bin 15. The lower end of the collecting tube 22 is at a predetermined height from the bottom of the outer shell 21. Further preferably, the height of the lower end of the collecting tube 22 from the bottom of the outer shell 21 is 30-50 mm.

[0026] In a preferred embodiment, Figure 3 and 4 As shown, the suction head 4 includes a flat suction head body 41, and the suction head body 41 has an inner cavity 413 narrowed from the front end 411 of the suction head body to the rear end 412 of the suction head body, and the rear end 412 of the suction head body is connected to the other end of the hose 3, and the front end 411 of the suction head body has a slit-shaped suction port 414. With such a suction head design, the suction head can better fit the bottom surface of the resin tank, so that the photosensitive resin remaining at the bottom of the resin tank can be better sucked in. Further preferably, the inner cavity 413 of the suction head body is trapezoidal.

[0027] In a preferred embodiment, the hose is a light-proof hose to prevent the photosensitive resin from solidifying inside the hose and affecting subsequent recycling and use.

[0028] In a preferred embodiment, Figure 1 and 2 As shown, the shell 11 of the resin absorbing device 1 and the outer shell 21 of the resin collecting device 2 are both cylindrical. Further preferably, the outer shell 21 is transparent to facilitate observation of the amount of photosensitive resin in the resin collecting device 2 .

[0029] In a preferred embodiment, Figure 1 and 2 As shown, one end of the hose 3 is connected to the resin absorbing device 1 at a side of the resin absorbing device 1 and close to the bottom of the resin absorbing device 1 .

[0030] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For technicians in the technical field to which the present invention belongs, several equivalent substitutions or obvious variations can be made without departing from the concept of the present invention, and the performance or use is the same, which should be regarded as belonging to the protection scope of the present invention.

Claims

1. A photosensitive resin recycling device for photocuring 3D printing, characterized in that: include: Resin absorbers, resin collection devices, hoses and nozzles; The resin absorbing device is connected to the resin collecting device and is detachably connected, one end of the hose is connected to the resin absorbing device, and the other end of the hose is connected to the suction head; The resin absorption device comprises a housing, a power module, a pump, a feed bin and a discharge bin; the pump, the feed bin and the discharge bin are all arranged in the housing, the power module is electrically connected to the pump, and the suction head, the hose, the feed bin, the pump, the discharge bin and the resin collection device are connected in sequence; The resin collecting device comprises an outer shell and a collecting pipe, wherein the outer shell is detachably connected to the shell of the resin absorbing device, the collecting pipe is located in the outer shell, the upper end of the collecting pipe is connected to the discharge bin, and the lower end of the collecting pipe is at a predetermined height from the bottom of the outer shell.

2. The photosensitive resin recycling device for photocuring 3D printing according to claim 1, characterized in that: The power module includes a switch and a battery. The battery is disposed in the housing and is electrically connected to the pump. The switch is disposed on the housing and is used to trigger the battery to power the pump.

3. The device for recovering photosensitive resin for photocuring 3D printing according to claim 1, characterized in that: The suction head comprises a flat suction head body, wherein the suction head body has an inner cavity narrowed from the front end to the rear end of the suction head body, the rear end of the suction head body is connected to the other end of the hose, and the front end of the suction head body has a slit-shaped suction port.

4. The photosensitive resin recycling device for photocuring 3D printing according to claim 1, characterized in that: The hose is a light-proof hose.

5. The photosensitive resin recycling device for photocuring 3D printing according to claim 1, characterized in that: The shell of the resin absorbing device and the outer shell of the resin collecting device are both cylindrical; the outer shell of the resin collecting device is transparent.

6. The photosensitive resin recycling device for photocuring 3D printing according to claim 1, characterized in that: One end of the hose is connected to the resin absorbing device at a side of the resin absorbing device and at a position close to the bottom of the resin absorbing device.

7. The device for recovering photosensitive resin for photocuring 3D printing according to claim 1, characterized in that: The height between the lower end of the collecting pipe and the bottom of the shell is 30-50 mm.

8. The device for recovering photosensitive resin for photocuring 3D printing according to claim 3, characterized in that: The inner cavity of the suction head body is trapezoidal.

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