3D printed product trimming device

Abstract

The 3D printed product trimming device comprises a trimming metal block and a heating assembly, the heating assembly comprises a shell, a heating pipe, a connector, a temperature adjusting module and a power source, the temperature adjusting module and the power source are arranged in the shell, one end of the heating pipe is connected with the temperature adjusting module and the power source, and the other end of the heating pipe extends out of the shell. The connector sleeves the periphery of the end part, extending out of the shell, of the heating pipe; the first end face of the trimming metal block is detachably connected with the connector, the heating pipe penetrates through the center of the connector and makes contact with the trimming metal block so as to heat the heating pipe, and a plurality of trimming guide grooves are formed in the second end face of the trimming metal block. According to the trimming device for the 3D printed product, the trimming metal block is heated through the heating assembly, the trimming guide groove formed in the trimming metal block is used for heating and locally melting the deformity trimming of the 3D printed product, polishing is not needed, and the trimming device is attractive and easy to operate.

Description

Technical Field

[0001] The utility model belongs to the technical field of 3D printing, and in particular relates to a 3D printing product trimming device. Background Art

[0002] With the rapid development of science and technology, the lightweight production of large structural parts, high-precision manufacturing of flexible electronic products and other fields have put forward higher and more and more requirements on the performance of materials. 3D printing, as an emerging additive manufacturing method, has also been used to study and manufacture composite materials. Therefore, existing 3D printers should have the following capabilities: realize active mixing of multiple materials to enhance the physical, mechanical and other properties of materials; prepare multifunctional gradient materials, and be able to switch accurately and uninterruptedly between various functional materials; realize high-precision, high-efficiency and high-resolution printing, etc.

[0003] The mainstream 3D printing process types on the market currently include selective laser sintering (SLS), stereolithography (SLA), filament melt molding (FDM), liquid printing (3DP), layered object manufacturing (LOM) and the corresponding sub-derivative technologies of the above types.

[0004] However, at present, after 3D printing products are printed, especially those processed by FDM (Fused Deposition Modeling), unsightly and sharp features will appear on the contact surface with the printing platform, the support surface and the skirt. Later polishing is troublesome, and polishing marks are likely to appear during polishing, resulting in unsightly appearance. Utility Model Content

[0005] In order to solve the above problems existing in the prior art, the utility model provides a 3D printing product trimming device. The technical problem to be solved by the utility model is achieved through the following technical solutions:

[0006] The utility model provides a 3D printing product trimming device, comprising a trimming metal block and a heating component, wherein:

[0007] The heating assembly comprises a shell, a heating tube, a connector, a temperature adjustment module and a power supply, wherein the temperature adjustment module and the power supply are arranged inside the shell, one end of the heating tube is connected to the temperature adjustment module and the power supply, and the other end extends out of the shell, and the connector is sleeved on the outer periphery of the end of the heating tube extending out of the shell;

[0008] The first end surface of the trimming metal block is detachably connected to the connecting head, and the heating tube passes through the center of the connecting head and contacts the trimming metal block to heat the trimming metal block. The second end surface of the trimming metal block is provided with a plurality of trimming guide grooves.

[0009] In one embodiment of the present invention, the plurality of trimming guide grooves include a first trimming guide groove, a second trimming guide groove and a third trimming guide groove, wherein:

[0010] The first trimming guide groove, the second trimming guide groove and the third trimming guide groove are spaced apart from each other by a T-shaped blocking portion;

[0011] The first trimming guide groove is located on the upper side of the T-shaped baffle, passes through two opposite side edges of the trimming metal block, and two surfaces of the first trimming guide groove are connected to form a chamfer or a rounded corner.

[0012] In one embodiment of the utility model, the second trimming guide groove and the third trimming guide groove are located on the left and right sides of the lower end of the T-shaped partition portion, and the three surfaces of the second trimming guide groove are vertically connected to each other to form a right angle; the three surfaces of the third trimming guide groove are vertically connected to each other to form a rounded corner.

[0013] In one embodiment of the utility model, a blade is further provided on the side wall of the trimming metal block, and the cutting portion of the blade is arc-shaped and flush with the rounded corner of the first trimming guide groove.

[0014] In one embodiment of the present invention, the curvature radius of the cutting portion of the blade is slightly smaller than the curvature radius of the fillet of the first trimming guide groove.

[0015] In one embodiment of the utility model, a temperature sensor and a wireless communication module are also provided on the trimming metal block, and the temperature sensor is used to collect temperature information of the trimming metal block and transmit it to a remote terminal through the wireless communication module.

[0016] In one embodiment of the utility model, the connector is provided with threads in the circumference, and the first end surface of the trimming metal block is provided with threaded holes matching with the threads, so that the connector is threadedly connected to the trimming metal block.

[0017] In one embodiment of the utility model, a display screen is further provided on the housing, and the display screen can be used to manually input temperature parameters so that the temperature adjustment module heats the heating tube to a corresponding temperature.

[0018] In an embodiment of the present invention, a temperature adjustment button is also provided on the housing.

[0019] In an embodiment of the present invention, the trimming metal block is made of copper, aluminum or stainless steel.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. The 3D printed product trimming device of the utility model comprises a trimming metal block and a heating component. The heating component is used to heat the trimming metal block, and the trimming guide groove arranged on the trimming metal block is used to heat and partially soften the edge of the 3D printed product for trimming and shaping. No polishing is required, the product is beautiful and easy to operate, and the post-processing time of the 3D printed product is greatly reduced.

[0022] 2. The trimming metal block of the utility model is installed on the heating component in a detachable manner, and the trimming metal blocks with various shapes and sizes can be replaced according to actual needs, so 3D printed products of various materials or shapes and sizes can be trimmed.

[0023] 3. When using the 3D printing product trimming device of the utility model, a blade is also provided on the side wall of the trimming metal block. If the model needs to be trimmed in a large area, the blade used for trimming can be mechanically trimmed first, and then heated for trimming, which improves efficiency and is completed in one step.

[0024] 4. The 3D printing product trimming device of the utility model is provided with a temperature adjustment module, which can adjust the heating temperature, making it convenient to trim 3D printing works of various materials such as PLA, ABS and PETG.

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of a 3D printing product trimming device provided by an embodiment of the utility model;

[0027] Figure 2 It is a side view of a trimming metal block provided by an embodiment of the utility model;

[0028] Figure 3 It is a front view of a trimming metal block provided by an embodiment of the utility model;

[0029] Figure 4 It is a connection schematic diagram of a heating tube provided in an embodiment of the utility model.

[0030] Description of reference numerals:

[0031] 1- trimming metal block; 11- first trimming guide groove; 12- second trimming guide groove; 13- third trimming guide groove; 14- T-shaped baffle; 15- blade; 2- heating assembly; 21- housing; 22- heating tube; 23- connector; 24- temperature control module; 25- power supply. DETAILED DESCRIPTION

[0032] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the 3D printing product trimming device proposed by the utility model is described in detail below in combination with the accompanying drawings and specific implementation methods.

[0033] The above and other technical contents, features and effects of the utility model are clearly presented in the following detailed description of the specific implementation mode in conjunction with the accompanying drawings. Through the description of the specific implementation mode, the technical means and effects adopted by the utility model to achieve the predetermined purpose can be more deeply and specifically understood. However, the attached drawings are only for reference and explanation, and are not used to limit the technical solution of the utility model.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants are intended to cover non-exclusive inclusion, so that an article or device including a series of elements includes not only those elements, but also other elements that are not explicitly listed. In the absence of more restrictions, the elements defined by the statement "including one..." do not exclude the existence of other identical elements in the article or device including the elements.

[0035] Please also see Figures 1 to 4 , Figure 1 It is a structural schematic diagram of a 3D printing product trimming device provided by an embodiment of the utility model; Figure 2 It is a side view of a trimming metal block provided by an embodiment of the utility model; Figure 3 This is a front view of a trimming metal block provided by an embodiment of the utility model. Figure 4 It is a connection schematic diagram of a heating tube provided by an embodiment of the utility model. The 3D printing product trimming device includes a trimming metal block 1 and a heating component 2, wherein the heating component 2 includes a shell 21, a heating tube 22, a connector 23, a temperature control module 24 and a power supply 25, wherein the temperature control module 24 and the power supply 25 are arranged inside the shell 21, one end of the heating tube 22 is connected to the temperature control module 24 and the power supply 25, and the other end extends out of the shell 21, and the connector 23 is sleeved on the outer periphery of the end of the heating tube 22 extending out of the shell 21; the first end face of the trimming metal block 1 is connected to the connector 23 in a detachable manner, and the heating tube 22 passes through the center of the connector 23 and contacts the trimming metal block 1 to heat the trimming metal block 1, and the second end face of the trimming metal block 1 is provided with a plurality of trimming guide grooves.

[0036] The 3D printed product trimming device is suitable for 3D products printed in FDM format, and its materials are generally PLA (polylactic acid), TPU (thermoplastic polyurethane rubber), ABS (acrylonitrile-butadiene-styrene copolymer), etc. During use, the housing 21 can be held in the hand to facilitate the correction of different positions of the product. The trimming metal block 1 is heated by the heating tube 22. When the appropriate temperature is reached, the 3D printed product to be trimmed is placed on the trimming guide groove of the corresponding size on the trimming metal block 1. The temperature of the 3D printed product rises, causing the edge to soften, thereby trimming the edge to the desired shape. It should be noted that when the size of the model product to be trimmed is large, the size of the trimming metal block 1 of the 3D printed product trimming device can also be adjusted and the entire device can be placed in a fixed position.

[0037] Furthermore, the multiple trimming guide grooves include a first trimming guide groove 11, a second trimming guide groove 12 and a third trimming guide groove 13, wherein the first trimming guide groove 11, the second trimming guide groove 12 and the third trimming guide groove 13 are separated from each other by a T-shaped partition 14; the first trimming guide groove 11 is located on the upper side of the T-shaped partition 14, passes through two opposite side edges of the trimming metal block 1, and two surfaces of the first trimming guide groove 11 are connected to form a rounded corner.

[0038] In this embodiment, the second trimming guide groove 12 and the third trimming guide groove 13 are located on the left and right sides of the lower end of the T-shaped partition portion 14, and the three surfaces of the second trimming guide groove 12 are vertically connected to each other to form a right angle; the three surfaces of the third trimming guide groove 13 are vertically connected to each other to form a chamfer or a rounded corner, and the size of the chamfer or rounded corner can be set according to specific needs and is not limited here.

[0039] It should be noted that, in other embodiments, the trimming metal block 1 can also be in other shapes, for example, with different numbers, sizes or angles of trimming guide grooves, and the diameter or size of the chamfer can also vary. Furthermore, a plurality of trimming metal blocks 1 of different shapes and sizes that can cooperate with the heating component 2 can be provided so as to be replaced according to actual needs. Preferably, the trimming metal block 1 is made of copper, aluminum or stainless steel so as to be able to conduct heat quickly and ensure that it will not deform under heating conditions. In addition, the trimming metal block 1 can also be a metal sheet with specific text or shape. After the heated trimming metal block 1 contacts the mold 3D printed product, an imprint is left on the contact surface to achieve the purpose of engraving or marking.

[0040] Furthermore, threads are arranged around the connector 23 , and a threaded hole matching with the threads is provided on the first end face of the trimming metal block 1 , so that the connector 23 is threadedly connected to the trimming metal block 1 , so that the trimming metal block 1 can be replaced.

[0041] In addition, a blade 15 is also provided on the side wall of the trimming metal block 1 of the present embodiment, and the cutting portion of the blade 15 is arc-shaped and flush with the fillet of the first trimming guide groove 11. Preferably, the radius of the arc of the cutting portion of the blade 15 is slightly smaller than the radius of the fillet of the first trimming guide groove 11, so that melting and trimming can continue after cutting and trimming by the blade 15. When the prepared 3D printed product has too many burrs, the excess material can be cut by the blade 15 first, and then trimmed by the heated trimming metal block 1. The blade 15 is detachably mounted on the side wall of the trimming metal block 1, preferably, by a threaded connection.

[0042] The trimming metal block 1 of this embodiment may also be provided with a temperature sensor and a wireless communication module (not shown in the drawings), and the temperature sensor is used to collect temperature information of the trimming metal block 1 in real time and transmit it to a remote terminal through the wireless communication module, so that the operator can timely understand the current temperature of the trimming metal block 1. The wireless communication module may be a WiFi module or a Bluetooth module.

[0043] Furthermore, a display screen and a temperature adjustment button can be provided on the housing 21. The display screen can manually input temperature parameters so that the temperature adjustment module 24 heats the heating tube 22 to a corresponding temperature, and the temperature adjustment button can also adjust the temperature to adapt to the trimming of 3D products of different materials. The power supply 25 of this embodiment is a battery, which can be used after charging or directly plugged in.

[0044] The 3D printed product trimming device of the utility model includes a trimming metal block and a heating component. The trimming metal block is heated by the heating component, and the trimming guide groove provided on the trimming metal block is used to heat and partially soften the edge of the 3D printed product for trimming and shaping. It does not require polishing, is beautiful, and is easy to operate, greatly reducing the time for post-processing of 3D printed products. The trimming metal block of the utility model is detachably mounted on the heating component, and trimming metal blocks of various shapes and sizes can be replaced according to actual needs, so 3D printed products of various materials or shapes and sizes can be trimmed.

[0045] The 3D printing product trimming device of the utility model is provided with a blade on the side wall of the trimming metal block. If the model needs to be trimmed in a large area, the blade used for trimming can be mechanically trimmed first, and then heated to trim, which improves efficiency and is completed in one step. The 3D printing product trimming device of the utility model is provided with a temperature adjustment module, which can adjust the heating temperature, and is convenient for trimming 3D printing works of various materials such as PLA, ABS and PETG.

[0046] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0047] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A 3D printed product trimming device, characterized in that: It comprises a trimming metal block (1) and a heating component (2), wherein: The heating component (2) comprises a shell (21), a heating tube (22), a connector (23), a temperature adjustment module (24) and a power source (25); the temperature adjustment module (24) and the power source (25) are arranged inside the shell (21); one end of the heating tube (22) is connected to the temperature adjustment module (24) and the power source (25), and the other end extends out of the shell (21); the connector (23) is sleeved on the outer periphery of the end of the heating tube (22) extending out of the shell (21); The first end surface of the trimming metal block (1) is connected to the connecting head (23) in a detachable manner, and the heating tube (22) passes through the center of the connecting head (23) and contacts the trimming metal block (1) to heat the trimming metal block (1), and the second end surface of the trimming metal block (1) is provided with a plurality of trimming guide grooves.

2. The 3D printing product trimming device according to claim 1, characterized in that: The plurality of trimming guide grooves include a first trimming guide groove (11), a second trimming guide groove (12) and a third trimming guide groove (13), wherein: The first trimming guide groove (11), the second trimming guide groove (12) and the third trimming guide groove (13) are spaced apart from each other by a T-shaped blocking portion (14); The first trimming guide groove (11) is located on the upper side of the T-shaped baffle (14), passes through two opposite side edges of the trimming metal block (1), and two surfaces of the first trimming guide groove (11) are connected to form a rounded corner.

3. The 3D printed product trimming device according to claim 2, characterized in that: The second trimming guide groove (12) and the third trimming guide groove (13) are located on the left and right sides of the lower end of the T-shaped baffle (14), and the three surfaces of the second trimming guide groove (12) are vertically connected to each other to form a right angle; the three surfaces of the third trimming guide groove (13) are vertically connected to each other to form a chamfer or a rounded corner.

4. The 3D printed product trimming device according to claim 2, characterized in that: A blade (15) is also provided on the side wall of the trimming metal block (1); the cutting portion of the blade (15) is arc-shaped and is flush with the rounded corner of the first trimming guide groove (11).

5. The 3D printed product trimming device according to claim 4, characterized in that: The curvature radius of the cutting portion of the blade (15) is slightly smaller than the curvature radius of the rounded corner of the first trimming guide groove (11).

6. The 3D printing product trimming device according to claim 1, characterized in that: The trimming metal block (1) is also provided with a temperature sensor and a wireless communication module, wherein the temperature sensor is used to collect temperature information of the trimming metal block (1) and transmit the temperature information to a remote terminal via the wireless communication module.

7. The 3D printed product trimming device according to claim 1, characterized in that: The connection head (23) is provided with threads in the circumference, and the first end surface of the trimming metal block (1) is provided with threaded holes matching the threads, so that the connection head (23) is threadedly connected to the trimming metal block (1).

8. The 3D printed product trimming device according to claim 1, characterized in that: The housing (21) is also provided with a display screen, and the display screen is capable of manually inputting temperature parameters so that the temperature adjustment module (24) heats the heating tube (22) to a corresponding temperature.

9. The 3D printing product trimming device according to claim 1, characterized in that: The housing (21) is also provided with a temperature adjustment button.

10. The 3D printed product trimming device according to any one of claims 1 to 9, characterized in that: The trimming metal block (1) is made of copper, aluminum or stainless steel.

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