CN220613394U

CN220613394U - 3D prints model contour trimming device

Info

Publication number: CN220613394U
Application number: CN202321568243.6U
Authority: CN
Inventors: 陈侲龙
Original assignee: Nantong Shengmaisi Technology Co ltd
Current assignee: Nantong Shengmaisi Technology Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2024-03-19
Anticipated expiration: 2033-06-19

Abstract

The utility model provides a 3D printing model contour trimming device, comprising: the workbench is characterized in that a fixed plate is fixedly arranged at the top of the workbench, a support column is connected to a ball shaft at the top of the fixed plate, a positioning block is fixedly arranged at the top of the support column, and an adjusting mechanism connected with the positioning block is arranged on the fixed plate and used for enabling the support column to rotate or stop rotating around the joint of the support column and the fixed plate at the fixed plate; the positioning mechanism is arranged on the positioning block and used for fixing the model. According to the utility model, through the design of the adjusting mechanism and the supporting column, when the polishing position angle of the model is required to be adjusted, the supporting column can rotate around the connection part of the supporting column and the fixing plate through the adjusting mechanism, so that the polishing angle of the model can be adjusted at multiple angles, and when the contour of the 3D model is trimmed, the model part is not required to be continuously cancelled and fixed, the operation is simple and convenient, and the working efficiency is improved.

Description

3D prints model contour trimming device

Technical Field

The utility model relates to the technical field of model trimming equipment, in particular to a 3D printing model contour trimming device.

Background

The 3D printing model refers to a three-dimensional digital model, and a physical object can be printed through a 3D printing technology. These models may be created or edited by computer aided design software or other similar 3D modeling software. The 3D printing model may be a geometric figure, a model of a human or animal, a model of a building, a model of a mechanical system, etc. The real physical model can be obtained by outputting the models through a 3D printer, and the technology has wide application in the fields of manufacture, medicine, construction and other fields. The design and manufacture of the 3D printing model can reduce production cost, break the limitation of traditional manufacture, and realize customized production.

In 3D printing, as each layer is piled layer by layer during printing, the problems of burrs, edges and corners and the like on the surface of a model are easily caused, and therefore, after the 3D model is printed, polishing and fine processing are needed by using a machine or by hand; at present, when a machine is used for polishing, a model is fixed on operation for polishing, although a fixing mechanism is arranged on an existing operation table for fixing the 3D model, the fixing mechanism is fixed at an angle on the operation table, and as the 3D model is in an irregular shape, when the contour of the model is trimmed by polishing the 3D model, the fixing of the model is required to be continuously canceled, the angle of the model is rotated for fixing, and the model is polished, so that the operation is more troublesome and the working efficiency is reduced;

accordingly, the present application proposes a 3D printing model contour trimming device.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a 3D printing model contour trimming device, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

a 3D printing model contour trimming apparatus comprising:

the workbench is characterized in that a fixed plate is fixedly arranged at the top of the workbench, a support column is connected to a ball shaft at the top of the fixed plate, a positioning block is fixedly arranged at the top of the support column, and an adjusting mechanism connected with the positioning block is arranged on the fixed plate and used for enabling the support column to rotate or stop rotating around the joint of the support column and the fixed plate at the fixed plate;

the positioning mechanism is arranged on the positioning block and is used for fixing the model;

the support frame, its fixed mounting just is located one side of fixed plate on the workstation, and the ball hub connection has the casing just to be located the locating piece on the support frame, and the activity of casing bottom is run through there is the connecting rod, and the connecting rod bottom has set firmly the installation piece, installs grinding machanism on the installation piece.

Further: the adjustment mechanism includes:

a rotating ring rotatably mounted on the fixed plate;

the guide shell is hinged to the bottom of the positioning block, a guide plate hinged to the rotating ring is movably penetrated in the guide shell, a first gear is rotatably arranged on the guide shell, a rack meshed with the first gear is fixedly arranged on the guide plate, and an adjusting piece acting on the first gear is arranged on the guide shell and used for enabling the first gear to rotate or stop rotating on the guide shell;

and the adjusting component is arranged on the fixed plate and connected with the rotating ring, and is used for enabling the rotating ring to rotate or stop rotating on the fixed plate.

Further: the adjusting piece comprises a first worm rotatably arranged on the guide shell, and also comprises a first worm wheel coaxially fixedly connected with the first gear, and the first worm wheel is meshed with the first worm;

the adjusting component comprises a rotating rod which is rotatably arranged on the fixed plate, a second gear is coaxially and fixedly connected on the rotating rod, an outer gear ring meshed with the second gear is coaxially and fixedly connected on the rotating ring, a second worm wheel is coaxially and fixedly connected on the rotating rod, and a second worm meshed with the second worm wheel is rotatably arranged on the fixed plate.

Further: the positioning mechanism comprises:

the two locating plates are symmetrically and slidably arranged on the locating blocks, the locating blocks are rotatably provided with two-way threaded rods, and the two-way threaded rods are in threaded connection with the two locating plates.

Further: the polishing mechanism comprises:

the installation cavity is formed in the side wall of the installation block, the rotation shaft is vertically arranged on the installation block in a rotating mode, the top end of the rotation shaft extends into the installation cavity, polishing sheets are detachably arranged at the bottom of the rotation shaft through screws, and a motor for driving the rotation shaft to rotate is fixedly arranged in the installation cavity.

Further: the cross sections of the two positioning plates are V-shaped, and rubber pads are fixed on opposite sides of the two positioning plates.

Further: and springs sleeved outside the connecting rods are arranged in the shell and on the opposite sides of the shell and the connecting rods.

Further: the support frame includes fixed mounting stand on the workstation, is vertical direction slidable mounting and has the backup pad on the stand, and fixed mounting has the electronic jar that is used for driving the backup pad to slide on the workstation, and casing and support cricket ball hub connection.

The utility model provides a 3D printing model contour trimming device. Compared with the prior art, the method has the following beneficial effects:

through the design of adjustment mechanism and supporting column, when need adjust the position angle of polishing of model, can make the support column rotate around support column and fixed plate junction at the fixed plate through adjustment mechanism to can realize carrying out the multi-angle to the angle of polishing of model and adjust, thereby when polishing to the 3D model and carrying out the profile and repairing, need not constantly cancel fixed and fixed operation to the model part, it is comparatively simple and convenient, improve work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic perspective view of the present utility model;

FIG. 2 shows an enlarged view of the utility model at A in FIG. 1;

FIG. 3 shows a front view of the present utility model;

FIG. 4 shows a perspective cross-sectional view of the utility model in the direction A-A of FIG. 3;

FIG. 5 shows an enlarged view of the utility model at B in FIG. 4;

FIG. 6 shows a right side view of the present utility model;

FIG. 7 is a perspective view of the structure of the present utility model in the direction B-B in FIG. 6;

the figure shows: 1. a work table; 11. a fixing plate; 12. a support column; 13. a positioning block; 2. an adjusting mechanism; 21. a rotating ring; 22. a guide housing; 23. a guide plate; 24. a first gear; 25. a rack; 26. an adjusting member; 261. a first worm; 262. a first worm wheel; 27. an adjustment assembly; 271. a rotating rod; 272. a second gear; 273. an outer toothed ring; 274. a second worm wheel; 275. a second worm; 3. a positioning mechanism; 31. a positioning plate; 311. a rubber pad; 32. a two-way threaded rod; 4. a support frame; 41. a housing; 42. a connecting rod; 43. a mounting block; 431. a mounting cavity; 44. a column; 45. a support plate; 46. an electric cylinder; 5. a polishing mechanism; 51. a rotating shaft; 52. polishing the sheet; 53. a motor; 6. and (3) a spring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

In order to solve the technical problems in the background technology, the following 3D printing model contour trimming device is provided:

referring to fig. 1 to 7, the 3D printing model contour trimming device provided by the present utility model includes: the workbench 1, the top of the workbench 1 is fixedly provided with a fixed plate 11, a ball shaft at the top of the fixed plate 11 is connected with a support column 12, the top of the support column 12 is fixedly provided with a positioning block 13, and the fixed plate 11 is provided with an adjusting mechanism 2 connected with the positioning block 13, which is used for enabling the support column 12 to rotate or stop rotating around the connection part of the support column 12 and the fixed plate 11 at the fixed plate 11; a positioning mechanism 3 mounted on the positioning block 13, the positioning mechanism 3 being used for fixing the model; the support frame 4 is fixedly arranged on the workbench 1 and positioned on one side of the fixed plate 11, the shell 41 is connected to the support frame 4 and positioned right above the positioning block 13 through a ball shaft, a connecting rod 42 is movably penetrated through the bottom of the shell 41, a mounting block 43 is fixedly arranged at the bottom of the connecting rod 42, and a polishing mechanism 5 is arranged on the mounting block 43; a spring 6 is installed in the housing 41 at the opposite side of the housing 41 to the connecting rod 42 and is sleeved outside the connecting rod 42.

When the 3D model is polished after being printed, the model is placed on the positioning block 13, the positioning mechanism 3 is utilized to position the model placed on the positioning block 13, the connecting rod 42 slides on the shell 41 to drive the mounting block 43 to displace, the polishing mechanism 5 can be driven to displace, and then the shell 41 is rotated and matched on the support frame 4 around the joint of the support frame 4, so that the polishing mechanism 5 is in contact with the model, and the model can be polished; when the polishing position angle of the model needs to be adjusted, the support column 12 can rotate around the connection part of the support column 12 and the fixed plate 11 through the adjusting mechanism 2, so that the polishing angle of the model can be adjusted at multiple angles, and the model part does not need to be continuously canceled to be fixed and fixed during contour trimming of the 3D model, so that the work efficiency is improved.

Through the design of spring 6, when pulling connecting rod 42 makes its outside slip to casing 41, spring 6 atress takes place deformation, and when not pulling connecting rod 42, spring 6 resumes natural state, can make connecting rod 42 slide in to casing 41, makes grinding machanism 5 keep away from locating piece 13 to the model is convenient for fix a position.

Example two

As shown in fig. 1 to 7, on the basis of the above embodiment, the present embodiment further provides the following:

in this embodiment, the adjusting mechanism 2 includes: a rotating ring 21 rotatably mounted on the fixed plate 11; the guide shell 22 is hinged at the bottom of the positioning block 13, a guide plate 23 hinged with the rotating ring 21 is movably penetrated in the guide shell 22, a first gear 24 is rotatably arranged on the guide shell 22, specifically, the first gear 24 is rotatably arranged on the guide shell 22 through a rotating shaft, a rack 25 meshed with the first gear 24 is fixedly arranged on the guide plate 23, and an adjusting piece 26 acting on the first gear 24 is arranged on the guide shell 22 and used for enabling the first gear 24 to rotate or stop rotating on the guide shell 22; an adjusting assembly 27 mounted on the fixed plate 11 and connected to the rotating ring 21, the adjusting assembly 27 being for rotating or stopping the rotating ring 21 on the fixed plate 11.

During the use, make first gear 24 rotate on direction shell 22 through regulating part 26 to can drive deflector 23 through rack 25 and slide along direction shell 22, adjust the length between deflector 23 and the direction shell 22, make support column 12 rotate on fixed plate 11 in the direction of inclination, can make rotation ring 21 rotate on fixed plate 11 through adjusting part 27, thereby can drive support column 12 revolute rotation ring 21 and rotate, thereby can realize driving locating piece 13 to carry out the multi-angle through the cooperation of both, realize carrying out the multi-angle to the angle of polishing of model on the locating piece 13 and adjust.

In this embodiment, the adjusting member 26 includes a first worm 261 rotatably mounted on the guide housing 22, and further includes a first worm wheel 262 coaxially and fixedly connected with the first gear 24, wherein the first gear 24 and the first worm wheel 262 are coaxially and fixedly connected with the rotation shaft, and the first worm wheel 262 is meshed with the first worm 261; the adjusting component 27 comprises a rotating rod 271 rotatably mounted on the fixed plate 11, a second gear 272 is coaxially and fixedly connected to the rotating rod 271, an outer gear ring 273 meshed with the second gear 272 is coaxially and fixedly connected to the rotating ring 21, a second worm gear 274 is coaxially and fixedly connected to the rotating rod 271, and a second worm 275 meshed with the second worm gear 274 is rotatably mounted on the fixed plate 11.

When the first gear 24 is rotated, the first worm 261 can be rotated to drive the rotation shaft to rotate through the first worm wheel 262, so that the first gear 24 is driven to rotate, the operation is simple, and the first worm wheel 262 is meshed with the first worm 261 to have self-locking property, so that when the first worm 261 is not rotated, the first worm wheel 262 cannot be rotated, and the use is convenient;

when the rotating ring 21 rotates on the fixed plate 11, the second worm 275 is rotated, so that the rotating rod 271 can be driven to rotate through the second worm gear 274, the second gear 272 can be driven to rotate, and the rotating ring 21 can be driven to rotate on the fixed plate 11 through the outer gear 273.

In this embodiment, the positioning mechanism 3 includes: the two locating plates 31 are symmetrically and slidably arranged on the locating block 13, a bidirectional threaded rod 32 is rotatably arranged on the locating block 13, and the bidirectional threaded rod 32 is in threaded connection with the two locating plates 31.

When the 3D model is fixed, the model is placed on the positioning block 13 and positioned on the opposite sides of the two positioning plates 31, the bidirectional threaded rod 32 is rotated, so that the two positioning plates 31 are mutually close to each other on the positioning block 13, and the model placed on the positioning block 13 can be fixed through the two positioning plates 31, so that the operation is simple and the use is convenient.

In this embodiment, the polishing mechanism 5 includes: the pivot 51, installation cavity 431 has been seted up to installation piece 43 lateral wall, and pivot 51 is vertical direction and rotates and install on installation piece 43, and in the top of pivot 51 extended to installation cavity 431, pivot 51 bottom was through screw detachably installs polishing piece 52, and installation cavity 431 internal fixation has the motor 53 that is used for driving pivot 51 to rotate.

When the model contour is polished, the polishing sheet 52 is contacted with the model, the motor 53 is controlled to be started, the output shaft of the motor 53 can drive the polishing sheet 52 to rotate through the rotating shaft 51, and the model contour can be polished by the polishing sheet 52, so that the model contour is polished.

Example III

in this embodiment, the cross sections of the two positioning plates 31 are V-shaped, and rubber pads 311 are fixed on opposite sides of the two positioning plates 31.

By the design that the cross sections of the two positioning plates 31 are V-shaped, when the two positioning plates 31 are used for clamping and positioning the model, the model is positioned in the V-shaped grooves on the opposite sides of the two positioning plates 31, so that the fixing effect on the model is improved; through the design of rubber pad 311, when two locating plates 31 carry out the centre gripping location to the model, two rubber pads 311 and model contact, increase the frictional force between two locating plates 31 and the model, further improve the fixed effect to the model to two rubber pads 311 and model contact, avoided the hard friction between locating plate 31 and the model, thereby effectually avoided causing the circumstances of wearing and tearing to the model.

In this embodiment, the support frame 4 includes a stand 44 fixedly mounted on the workbench 1, a support plate 45 is slidably mounted on the stand 44 in a vertical direction, an electric cylinder 46 for driving the support plate 45 to slide is fixedly mounted on the workbench 1, the housing 41 is connected with the support plate 45 through a ball shaft, specifically, the support plate 45 is L-shaped, one end of the support plate 45 in a vertical direction is slidably mounted on the stand 44, the housing 41 is connected with one end of the support plate 45 in a horizontal direction through a ball shaft, and the electric cylinder 46 and the motor 53 are powered by an external power supply.

Through the design of stand 44, backup pad 45 and electric cylinder 46, can make backup pad 45 vertically slide on stand 44 through electric cylinder 46, adjust polishing mechanism 5 and locating piece 13 interval between, make polishing mechanism 5 be close to the model on the locating piece 13, be convenient for polish the model, improve polishing efficiency.

The working principle and the using flow of the utility model are as follows:

polishing after 3D model printing is completed:

the model is placed on the positioning block 13 and is positioned on the opposite side of the two positioning plates 31, and the two-way threaded rod 32 is rotated to enable the two positioning plates 31 to approach each other on the positioning block 13, so that the model placed on the positioning block 13 is fixed through the two positioning plates 31. The connecting rod 42 is pulled to slide along the shell 41, and then the shell 41 is in running fit on the support frame 4 around the connecting position of the shell, so that the polishing sheet 52 is in contact with the burrs of the model, the motor 53 is controlled to be started, and the output shaft of the motor 53 rotates to drive the polishing sheet 52 to rotate through the rotating shaft 51 so as to polish the model;

when the polishing position angle of the model needs to be adjusted:

the first worm 261 is rotated, namely, the first worm gear 262 drives the rotating shaft to rotate, so that the first gear 24 is driven to rotate, the guide plate 23 is driven to slide along the guide shell 22 through the rack 25, the length between the guide plate 23 and the guide shell 22 is adjusted, the support column 12 rotates in an inclined direction on the fixed plate 11, the second worm 275 is rotated, the rotating rod 271 is driven to rotate through the second worm gear 274, the second gear 272 is driven to rotate, the rotating ring 21 is driven to rotate on the fixed plate 11 through the outer toothed ring 273, the positioning block 13 is driven to rotate at multiple angles through the cooperation of the two, and the polishing angle of a model on the positioning block 13 is adjusted at multiple angles;

when the models with different sizes are polished:

the supporting plate 45 can slide vertically on the upright post 44 through the electric cylinder 46, and the distance between the grinding mechanism 5 and the positioning block 13 is adjusted, so that the grinding mechanism 5 is close to the model on the positioning block 13.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1.3D prints model profile trimming means, its characterized in that: comprising the following steps:

the workbench (1), the top of the workbench (1) is fixedly provided with a fixed plate (11), a ball shaft at the top of the fixed plate (11) is connected with a support column (12), the top of the support column (12) is fixedly provided with a positioning block (13), and the fixed plate (11) is provided with an adjusting mechanism (2) connected with the positioning block (13);

the positioning mechanism (3) is arranged on the positioning block (13), and the positioning mechanism (3) is used for fixing the model;

the support frame (4) is fixedly arranged on the workbench (1) and positioned on one side of the fixed plate (11), a shell (41) is connected to the support frame (4) and positioned right above the positioning block (13) through a ball shaft, a connecting rod (42) is movably penetrated through the bottom of the shell (41), a mounting block (43) is fixedly arranged at the bottom of the connecting rod (42), and a polishing mechanism (5) is arranged on the mounting block (43); the adjusting mechanism (2) comprises:

a rotating ring (21) rotatably mounted on the fixed plate (11);

the guide shell (22) is hinged to the bottom of the positioning block (13), a guide plate (23) hinged to the rotating ring (21) is movably penetrated in the guide shell (22), a first gear (24) is rotatably arranged on the guide shell (22), a rack (25) meshed with the first gear (24) is fixedly arranged on the guide plate (23), and an adjusting piece (26) acting on the first gear (24) is arranged on the guide shell (22) and used for enabling the first gear (24) to rotate or stop rotating on the guide shell (22);

an adjusting assembly (27) mounted on the fixed plate (11) and connected to the rotating ring (21), the adjusting assembly (27) being used to rotate or stop the rotating ring (21) on the fixed plate (11).

2. The 3D printing model contour trimming device as defined in claim 1, wherein: the adjusting piece (26) comprises a first worm (261) rotatably arranged on the guide shell (22), and also comprises a first worm wheel (262) coaxially fixedly connected with the first gear (24), wherein the first worm wheel (262) is meshed with the first worm (261);

the adjusting component (27) comprises a rotating rod (271) rotatably arranged on the fixed plate (11), a second gear (272) is coaxially fixedly connected to the rotating rod (271), an outer gear ring (273) meshed with the second gear (272) is coaxially fixedly connected to the rotating ring (21), a second worm wheel (274) is coaxially fixedly connected to the rotating rod (271), and a second worm (275) meshed with the second worm wheel (274) is rotatably arranged on the fixed plate (11).

3. The 3D printing model contour trimming device as defined in claim 1, wherein: the positioning mechanism (3) comprises:

the two positioning plates (31) are symmetrically and slidably arranged on the positioning block (13), the positioning block (13) is rotatably provided with a bidirectional threaded rod (32), and the bidirectional threaded rod (32) is in threaded connection with the two positioning plates (31).

4. The 3D printing model contour trimming device as defined in claim 1, wherein: the grinding mechanism (5) comprises:

the rotary shaft (51), installation cavity (431) has been seted up to installation piece (43) lateral wall, and pivot (51) are vertical direction and rotate and install on installation piece (43), and in the top of pivot (51) extends to installation cavity (431), pivot (51) bottom was through screw demountable installation polishing piece (52), and fixed mounting has motor (53) that are used for driving pivot (51) to rotate in installation cavity (431).

5. A 3D printing model contour trimming apparatus as defined in claim 3, further characterized by: the cross sections of the two positioning plates (31) are V-shaped, and rubber pads (311) are fixed on opposite sides of the two positioning plates (31).

6. The 3D printing model contour trimming device as defined in claim 1, wherein: a spring (6) sleeved outside the connecting rod (42) is arranged in the shell (41) and positioned on the opposite side of the shell (41) and the connecting rod (42).

7. The 3D printing model contour trimming device as defined in claim 1, wherein: the support frame (4) comprises a stand column (44) fixedly arranged on the workbench (1), a support plate (45) is slidably arranged on the stand column (44) in the vertical direction, an electric cylinder (46) for driving the support plate (45) to slide is fixedly arranged on the workbench (1), and the shell (41) is connected with a ball shaft of the support plate (45).