CN217319325U

CN217319325U - 3D printing equipment for operation model

Info

Publication number: CN217319325U
Application number: CN202220146878.6U
Authority: CN
Inventors: 黄东臣; 黄西臣; 葛志祥
Original assignee: Wuhan Joye 3d Technology Application Co ltd
Current assignee: Wuhan Joye 3d Technology Application Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-08-30
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a 3D printing device for an operation model, which comprises a material guide pipe, a flow dividing pipe, a spray head body, a sealing component and a protection component; the two sides of the material guide pipe are communicated with the flow dividing pipes, flow passages with holes are formed in the two flow dividing pipes, and the two flow passages are communicated with the spray head body; the sealing assembly is arranged in the flow passage; the sealing assembly comprises a rod body, a return spring and a connecting plate; the rod body is axially arranged in the shunt tube, one axial end of the rod body penetrates through the hole and extends into the flow channel, the reset spring is arranged below the flow channel and wound on the outer peripheral surface of the rod body, and the rod body is pushed to separate the flow channel from the spray head body. The problem of all not set up the protector to the shower nozzle body among the prior art, lead to printing at every turn, the shower nozzle end exposes in the air, is infected with the dust easily, has influenced the technical problem that prints next time.

Description

3D printing equipment for operation model

Technical Field

The utility model relates to a printing apparatus technical field, concretely relates to is a 3D printing apparatus for operation model.

Background

3D printing is one of the rapid prototyping technologies, which is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like and by using a layer-by-layer printing mode on the basis of a digital model file, and the 3D printing is usually realized by using a digital technical material printer, and the technology is applied to the fields of jewelry, shoes, industrial design, construction, engineering and construction, automobiles, aerospace, dentistry, medical industry and the like.

The utility model provides a "3D is shower nozzle anti-starvation controlling means for printer" is proposed at chinese utility model CN213564402U, and the device has solved the inside raw materials of current printing apparatus and has run out the back, and the staff can not in time discover, has leaded to influencing the problem of printing apparatus normal use.

But current 3D prints the shower nozzle after the use, does not carry out the function of protecting to the shower nozzle end, and the shower nozzle end exposes in the air, can glue the dust granule, can appear spraying bonding material inhomogeneous phenomenon when leading to the secondary to print and take place, has reduced the spraying efficiency that 3D printed the shower nozzle.

To this end, we propose a 3D printing device for surgical models.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technique not enough, provide a 3D printing apparatus for operation model, solve all not set up the protector to the shower nozzle body among the prior art, lead to having printed at every turn, the shower nozzle end exposes in the air, is infected with the dust easily, has influenced the technical problem who prints next time.

In order to achieve the technical purpose, the utility model adopts the following technical proposal:

A3D printing device for an operation model comprises a material guide pipe, a flow dividing pipe, a nozzle body, a sealing assembly and a protection assembly;

the two sides of the material guide pipe are communicated with the flow dividing pipes, flow passages with holes are formed in the two flow dividing pipes, and the two flow passages are communicated with the spray head body; the sealing assembly is arranged in the flow passage;

the sealing assembly comprises a rod body, a return spring and a connecting plate; the rod body is axially arranged in the shunt pipe, one axial end of the rod body penetrates through the hole and extends into the flow channel, the reset spring is arranged below the flow channel and wound on the outer peripheral surface of the rod body, and the rod body is pushed to separate the flow channel from the spray head body; the other end of the rod body penetrates through the protection assembly and is connected with the connecting plate;

the protection assembly comprises a shell, a pushing spring, a push plate and a protection plate; the casing symmetry set up in shower nozzle body both sides, promote spring connect in shells inner wall, the one end of promoting spring is connected with the push pedal, the push pedal with it has the connecting piece to articulate between the connecting plate, the one end of guard plate connect in the push pedal, the other end sets up shower nozzle body outer peripheral face.

Preferably, the flow passage is obliquely arranged in the shunt tube, and the aperture of the hole is larger than the diameter of the rod body.

Preferably, the sealing assembly further comprises at least two sealing rubber rings; and the two sealing rubber rings are connected to the rod body and used for enhancing the sealing property of the rod body.

Preferably, the upper end of the rod body is of an inclined surface structure, and the inclined angle of the inclined surface structure is consistent with that of the flow channel; the outer peripheral surface of the rod body is provided with an annular bulge, the upper end face of the reset spring is connected to the annular bulge, and the lower end face of the reset spring is connected to the inside of the shunt pipe.

Preferably, the connecting piece is a connecting rod, one end of the connecting rod is hinged to the connecting plate, and the other end of the connecting rod is hinged to the push plate and keeps a gap with the protection plate.

Preferably, the inner bottom surface of the material guide pipe is integrally formed with a flow guide bulge; the material guide pipe and the spray head body are positioned on the same axis.

Preferably, the one end that the guard plate kept away from the push pedal has seted up ring groove, ring groove's inner wall bonds and has the flexible layer.

Preferably, the inner wall of the shell is symmetrically provided with slideways, and the slideways are connected with the push plate in a sliding manner.

Preferably, tungsten disulfide nano coatings are bonded on the inner walls of the material guide pipe, the shunt pipe and the spray head body.

Preferably, the thickness of the tungsten sulfide nano coating is 0.3-0.5 μm.

Compared with the prior art, the beneficial effects of the utility model include:

1. compared with the prior art, the utility model, the nozzle to the shower nozzle body that can be better is protected, when the raw materials is in leading-in shunt canals of passage from the passage, decurrent impact force, can strike body of rod extrusion reset spring, thereby make the connecting plate move down, through articulating the connecting piece in connecting plate and push pedal, push away spring through push pedal extrusion, thereby it keeps away from the shower nozzle body to drive the guard plate, make it when normally printing, the guard plate can not influence the normal use of shower nozzle body, after the later stage stops the feed, under reset spring and the spring action that promotes the spring, promote the body of rod and guard plate and slowly reset, and protect the shower nozzle body to prevent dust through the guard plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an expanded view of the protective assembly of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic front view of the present invention in FIG. 1;

FIG. 4 is an enlarged view of the point A in FIG. 1 according to the present invention

Fig. 5 is a top view of the dust guard of the present invention.

In the figure: 1. a material guide pipe; 2. a shunt tube; 21. a flow channel; 3. a nozzle body; 4. a seal assembly; 41. a rod body; 42. sealing the rubber ring; 43. a return spring; 44. a connecting plate; 5. a connecting member; 6. a protection component; 61. a housing; 62. a push spring; 63. pushing the plate; 64. and (4) a protective plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, a 3D printing apparatus for an operation model includes a material guiding pipe 1, a shunt pipe 2, a nozzle body 3, a sealing assembly 4 and a protection assembly 6.

Two sides of the material guide pipe 1 are communicated with the flow dividing pipes 2, flow passages 21 with holes are formed in the two flow dividing pipes 2, and the two flow passages 21 are communicated with the spray head body 3; a seal assembly 4 is disposed within the flow passage 21.

The sealing assembly 4 comprises a rod body 41, a return spring 43 and a connecting plate 44; the rod body 41 is axially arranged in the flow dividing pipe 2, one axial end of the rod body 41 penetrates through the hole and extends into the flow channel 21, the reset spring 43 is positioned below the flow channel 21 and wound on the outer peripheral surface of the rod body 41, and the rod body 41 is pushed to separate the flow channel 21 from the spray head body 3; the other end of the rod body 41 penetrates through the protection component 6 and is connected with a connecting plate 44.

The protection assembly 6 comprises a shell 61, a pushing spring 62, a pushing plate 63 and a protection plate 64; casing 61 symmetry sets up in shower nozzle body 3 both sides, and promotion spring 62 connects in casing 61 inner wall, and the one end of promotion spring 62 is connected with push pedal 63, and it has connecting piece 5 to articulate between push pedal 63 and the connecting plate 44, and the one end of guard plate 64 is connected on push pedal 63, and the other end setting is at the shower nozzle body 3 outer peripheral face.

When the device is used for normal printing, raw materials are guided in through the material guide pipe 1 and flow into the flow dividing pipe 2, when the raw materials flow into the flow dividing pipe 2, downward impact force can impact the rod body 41, so that the rod body 41 does not block the flow channel 21, and after the raw materials flow into the flow channel 21, the raw materials flow into the spray head body 3 and are sprayed out from a nozzle of the spray head body for printing; when the rod 41 is impacted, the return spring 43 is pressed downwards, the tail end of the return spring drives the connecting plate 44 to move downwards in the shell 61, the push plate 63 is pushed through the matching of the connecting plate 44 and the connecting piece 5, the push plate 63 extrudes the push spring 62, and the protection plate 64 is driven to be far away from the nozzle of the spray head body 3, so that the normal printing is realized; after printing, the interior of the material guide pipe 1 is not added with raw materials, and under the elastic action of the pushing spring 62 and the return spring 43, the rod body 41 and the pushing plate 63 move slowly, so that the protection plate 64 protects the nozzle body 3, and dust is not easy to be stained on the nozzle of the nozzle body 3.

To improve the flow guiding efficiency of the flow channel 21, please refer to fig. 1 and fig. 2, in a preferred embodiment, the flow channel 21 is obliquely disposed inside the flow dividing pipe 2, and the aperture of the hole is larger than the diameter of the rod 41; the seal assembly 4 further comprises at least two sealing rubber rings 42; the two sealing rubber rings 42 are connected to the rod body 41 and used for enhancing the sealing performance of the rod body 41, wherein the aperture of the hole is slightly larger than the diameter of the rod body 41, but after the sealing rubber rings 42 are sleeved on the surface of the rod body 41, the rod body 41 cannot stretch in the hole, so that the sealing rubber rings 42 cannot play a sealing role, and also play a limiting role, so that the rod body 41 cannot extend to the outside of the flow channel 21; the upper end of the rod body 41 is of an inclined plane structure, the inclined plane structure inclination angle is consistent with the inclined angle of the flow channel 21, and the rod body 41 and the flow channel 21 can be conveniently matched through the inclined plane structure, so that the raw materials can be conveniently guided; the body of rod 41 outer peripheral face is equipped with the annular bulge, and reset spring 43's up end is connected on the annular bulge, and reset spring 43's lower terminal surface is connected in shunt tubes 2, wherein sets up the annular bulge, makes things convenient for body of rod 41 better to be connected with reset spring 43, receives the back of strikeing when body of rod 41, can extrude reset spring 43 downwards through the annular bulge to make it take place to deform.

To improve the linkage efficiency of the sealing assembly 4 and the protection assembly 6, please refer to fig. 1, fig. 2 and fig. 4, in a preferred embodiment, the connecting member 5 is a connecting rod, one end of the connecting rod is hinged to the connecting plate 44, the other end of the connecting rod is hinged to the push plate 63 and keeps a gap with the protection plate 64, wherein the connecting rod is hinged to the connecting plate 44 and the push plate 63, when the rod body 41 moves downward, the push plate 63 is pushed by the hinged connecting rod to extrude the push spring 62, so as to drive the protection plate 64 to be away from the nozzle body 3, and when the rod body 41 resets upward, the push plate 63 is driven by the connecting rod to move.

In order to improve the working efficiency of the material guiding pipe 1, the dividing pipe 2 and the nozzle body 3, please refer to fig. 1, fig. 2 and fig. 3, in a preferred embodiment, a flow guiding protrusion is integrally formed on the inner bottom surface of the material guiding pipe 1, and by arranging the flow guiding protrusion, the raw material of the material guiding pipe 1 can conveniently flow into the dividing pipe 2, thereby avoiding the occurrence of liquid accumulation inside the material guiding pipe 1; the material guide pipe 1 and the spray head body 3 are located on the same axis, the tungsten disulfide nano coating is bonded on the inner walls of the material guide pipe 1, the shunt pipe 2 and the spray head body 3, the thickness of the tungsten disulfide nano coating is 0.3-0.5 mu m, and the anti-sticking performance of the inner walls of the material guide pipe 1, the shunt pipe 2 and the spray head body 3 is enhanced by the arrangement of the tungsten disulfide nano coating, so that raw materials are not easily stained on the inner walls of the material guide pipe 1, the shunt pipe 2 and the spray head body.

In order to improve the working efficiency of the protection assembly 6, please refer to fig. 1 and 5, in a preferred embodiment, one end of the protection plate 64, which is far away from the push plate 63, is provided with an annular clamping groove, the inner wall of the annular clamping groove is bonded with a flexible layer, the inner wall of the shell 61 is symmetrically provided with slide ways, and the push plate 63 is slidably connected in the slide ways; the number of the protection plates 64 is two, and the two annular clamping grooves form a circular protection cavity for protecting the nozzle body 3 so that the surface of the nozzle body 3 is not easily stained with dust, and meanwhile, a gap is kept between the circular protection cavity and the nozzle body 3, only the protection effect is achieved, and the circular protection cavity is not in contact with the nozzle body 3; through setting up the slide, improved push pedal 63's removal efficiency.

For better understanding of the present invention, the following detailed description is made with reference to fig. 1 to 5 to describe the working process of the 3D printing apparatus for surgical model: when in use, raw materials are introduced through the material guide pipe 1 and flow into the flow dividing pipe 2; when the raw material flows into the shunt 2, the downward impact force impacts the rod body 41, so that the rod body 41 does not block the flow channel 21, and the rod body 41 can be limited by the sealing rubber ring 42, so that the raw material cannot be removed from the flow channel 21; when the raw material flows into the flow channel 21, the raw material flows into the nozzle body 3 and is sprayed out from the nozzle of the nozzle body for printing; when the rod body 41 is impacted, the return spring 43 is pressed downwards, the tail end of the return spring drives the connecting plate 44 to move downwards in the shell 61, the push plate 63 is pushed through the matching of the connecting plate 44 and the connecting rod, the push plate 63 extrudes the push spring 62, and the protection plate 64 is driven to be far away from the nozzle of the spray head body 3, so that the spray head body 3 can print normally; after printing, the interior of the material guide pipe 1 is not added with raw materials, and the rod body 41 and the push plate 63 are slowly restored under the elastic force action of the pushing spring 62 and the return spring 43, so that the protection plate 64 protects the nozzle body 3, and dust of the protection plate is not easily stained on the nozzle of the nozzle body 3.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a 3D printing apparatus for operation model which characterized in that: comprises a material guiding pipe, a flow dividing pipe, a nozzle body, a sealing component and a protection component;

the sealing assembly comprises a rod body, a return spring and a connecting plate; the rod body is axially arranged in the shunt tube, one axial end of the rod body penetrates through the hole and extends into the flow channel, the reset spring is positioned below the flow channel and wound on the outer peripheral surface of the rod body, and the rod body is pushed to cut off the flow channel and the spray head body; the other end of the rod body penetrates through the protection assembly and is connected with the connecting plate;

the protection assembly comprises a shell, a pushing spring, a push plate and a protection plate; the casing symmetry set up in shower nozzle body both sides, promote spring coupling in shells inner wall, the one end that promotes the spring is connected with the push pedal, the push pedal with it has the connecting piece to articulate between the connecting plate, the one end of guard plate connect in the push pedal, the other end sets up shower nozzle body outer peripheral face.

2. The 3D printing apparatus for surgical models according to claim 1, characterized in that: the flow channel is obliquely arranged in the shunt pipe, and the aperture of the hole is larger than the diameter of the rod body.

3. The 3D printing apparatus for surgical models according to claim 1, characterized in that: the seal assembly further comprises at least two seal rubber rings; and the two sealing rubber rings are connected to the rod body and used for enhancing the sealing property of the rod body.

4. The 3D printing apparatus for surgical models according to claim 1, characterized in that: the upper end of the rod body is of an inclined surface structure, and the inclined angle of the inclined surface structure is consistent with that of the flow channel; the outer peripheral surface of the rod body is provided with an annular bulge, the upper end face of the reset spring is connected to the annular bulge, and the lower end face of the reset spring is connected to the interior of the shunt pipe.

5. The 3D printing apparatus for surgical models according to claim 1, characterized in that: the connecting piece is a connecting rod, one end of the connecting rod is hinged to the connecting plate, and the other end of the connecting rod is hinged to the push plate and keeps a gap with the protection plate.

6. The 3D printing apparatus for surgical models according to claim 1, characterized in that: a flow guide bulge is integrally formed on the inner bottom surface of the material guide pipe; the material guide pipe and the spray head body are positioned on the same axis.

7. The 3D printing apparatus for surgical models according to claim 1, characterized in that: the guard plate is kept away from ring groove has been seted up to the one end of push pedal, ring groove's inner wall bonds and has the flexible layer.

8. The 3D printing apparatus for surgical models according to claim 1, characterized in that: the inner wall symmetry of casing has seted up the slide, sliding connection has in the slide the push pedal.

9. The 3D printing apparatus for surgical models according to claim 1, characterized in that: and tungsten disulfide nano coatings are bonded on the inner walls of the material guide pipe, the flow dividing pipe and the spray head body.

10. The 3D printing apparatus for surgical models according to claim 9, characterized in that: the thickness of the tungsten sulfide nano coating is 0.3-0.5 μm.