CN210755168U

CN210755168U - 3D printer for mold shape-following cooling water channel

Info

Publication number: CN210755168U
Application number: CN201921142543.1U
Authority: CN
Inventors: 孙振忠; 刘洋; 陈磊; 张玉勋; 邓君
Original assignee: Dongguan University of Technology
Current assignee: Dongguan University of Technology
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-06-16
Anticipated expiration: 2029-07-20

Abstract

The utility model relates to a 3D printer for a mold conformal cooling water channel, which comprises a forming frame and a laser emission mechanism on the upper part of the forming frame, wherein the inner side of the forming frame is provided with a forming lifting groove, the forming lifting groove is matched with a forming lifting cylinder, the forming lifting cylinder comprises a forming bottom plate and a forming side plate positioned in the forming lifting groove, the forming bottom plate is connected with a forming cylinder arranged at the bottom of the forming frame, the forming side plates at the left and right sides comprise side plate cavity blocks, the inner sides of the side plate cavity blocks are provided with cavity opening and closing devices, the left and right sides of the upper part of the forming frame are provided with scraping devices which can penetrate into the forming lifting cylinder and are matched with the cavity opening and closing devices, the utility model provides a 3D printer for a mold conformal cooling water channel, changes the traditional block type lifting mode, adopts an integrated cylinder type lifting mode, further can avoid the powder from influencing the forming lifting, and, and the opening and closing device is arranged, so that the material scraping can be realized by matching with the material scraping device, and the loss of the equipment can be reduced.

Description

3D printer for mold shape-following cooling water channel

Technical Field

The invention relates to the field of mold forming, in particular to a 3D printer for a mold conformal cooling water channel.

Background

The mold is called as the master of the industry, the shape following cooling technology proposed in the 90 s of the 20 th century, the water channel can realize uniform cooling according to the shape change of the product, the quality of the product can be obviously improved, the cooling time is reduced, and the mold has strong applicability.

Although the cooling of taking shape has the incomparable advantage of traditional cooling water course, it is difficult to realize to adopt traditional processing mode, the application of cooling of taking shape has been restricted to a certain extent, along with the appearance of 3D printing technique, SLM (Selective laser melting) 3D shaping is very suitable for the shaping of taking shape mould, what SLM3D shaping adopted is the layer-by-layer shaping, can be fit for the shaping of various complicated structures, most all include shaping elevator and the laser emitter that can launch arbitrary position laser, laser melting region through controller control laser emitter, and then realize the shaping of complicated shape, but shaping elevator can produce the friction with the shaping frame at the in-process that goes up and down, its combination position probably gets into the powder simultaneously, and then can influence the activity of shaping elevator, the equipment loss when having increased the shaping.

Disclosure of Invention

The invention provides a 3D printer for a mold conformal cooling water channel, which changes the traditional block type lifting mode, adopts an integrated cylinder type lifting mode, further can avoid the influence of powder on the lifting of a mold, simultaneously sets a molding side plate into a cavity structure, is provided with an opening and closing device, can be matched with a scraping device to scrape materials, and further can reduce the loss of equipment.

In order to achieve the above purpose, the invention adopts the technical scheme that: the utility model provides a 3D printer for mould is along with shape cooling water course, includes shaping frame and the laser emission mechanism on upper portion thereof, the inboard of shaping frame seted up shaping lift groove, shaping lift groove cooperation have a shaping lift section of thick bamboo, shaping lift section of thick bamboo include the shaping bottom plate and be located the shaping curb plate of shaping lift inslot, the shaping cylinder that shaping bottom plate and shaping frame bottom set up be connected, the shaping curb plate on left and right sides includes curb plate chamber piece, and the inboard of curb plate chamber piece is provided with the cavity and opens and shuts the device, shaping frame upper portion left and right sides be provided with and can penetrate its inside and open and shut device position complex scraper with the cavity.

Preferably, the inner side of the side plate cavity block is uniformly provided with at least three cavity opening and closing devices along the vertical direction, and the distance between the bottoms of the adjacent cavity opening and closing devices is consistent with the thickness of single selective laser melting molding.

Preferably, the cavity device that opens and shuts include the fixed block that opens and shuts through opening and shutting connecting rod and curb plate chamber piece inner chamber wall connection, the fixed block that opens and shuts articulated have the commentaries on classics piece that opens and shuts, and open and shut the commentaries on classics piece and communicate through opening and shutting spring and curb plate chamber piece inner chamber wall, the lower part of the commentaries on classics piece that opens and shuts be the inclined plane cooperation with the upper portion of adjacent fixed block that opens and shuts, and the commentaries on classics piece that opens and shuts is connected with one side of.

Preferably, scrape the material device including setting up outside and penetrating the shaping frame about the shaping frame scrape the material movable cylinder, scrape the material movable cylinder and be connected with and scrape the material movable block, scrape the material movable block be downwardly opening's cavity piece, and scrape and be provided with in the material movable block and can take in its cavity completely and multistage flexible scrape material lift cylinder, scrape material lift cylinder be connected with and scrape the material subassembly, scrape the material movable block can contract to the shaping lifting groove in.

Preferably, the outer side of the material scraping movable block is fixedly connected with a material scraping movable supporting block capable of penetrating out of the forming frame, and one section of the material scraping movable supporting block penetrating out of the forming frame is provided with a material scraping movable limiting block.

Preferably, scrape the material subassembly include with scrape the material installation piece that material lift cylinder is connected, the outside of scraping the material installation piece be provided with the turning block complex that opens and shuts scrape the material kicking block, the outside lower part is provided with the material piece of scraping, the inboard inclined plane that is the leanin slope of scraping the material piece.

Drawings

FIG. 1 is a schematic structural diagram of a 3D printer for a mold conformal cooling water channel with a laser emission mechanism removed;

FIG. 2 is a schematic view of a profiled side panel;

FIG. 3 is a schematic structural view of two adjacent cavity opening and closing devices;

FIG. 4 is a schematic structural view of a scraping device;

fig. 5 is a schematic structural diagram of the scraping assembly.

The text labels shown in the figures are represented as: 1. forming a frame; 2. forming a lifting groove; 3. forming a lifting cylinder; 4. forming a bottom plate; 5. forming a side plate; 6. a scraping device; 7. a side plate cavity block; 8. a cavity opening and closing device; 9. a folding connecting rod; 10. opening and closing the fixed block; 12. opening and closing the rotating block; 13. an opening and closing spring; 21. a material scraping movable cylinder; 22. scraping the movable block; 23. a scraping lifting cylinder; 24. a scraping component; 25. scraping a movable supporting block; 26. a movable scraping limiting block; 27. a scraping mounting block; 28. a scraper block; 29. and scraping the material top block.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1-2, the specific structure of the present invention is: the utility model provides a 3D printer for mould is along with shape cooling water course, includes the laser emission mechanism on shaping frame 1 and its upper portion, shaping frame 1's inboard seted up shaping lift groove 2, shaping lift groove 2 cooperation have a shaping lift section of thick bamboo, the shaping lift section of thick bamboo include forming bottom plate 4 and be located shaping lift inslot 2 shaping curb plate 5, forming bottom plate 4 be connected with shaping cylinder 3 that shaping frame 1 bottom set up, the shaping curb plate 5 on the left and right sides includes curb plate chamber piece 7, and the inboard of curb plate chamber piece 7 is provided with the cavity and opens and shuts device 8, shaping frame 1 upper portion left and right sides be provided with and can penetrate its inside and open and shut device 8 position complex scraper 6 with the cavity.

Firstly, a printer is prepared, then a forming lifting cylinder is driven to lift to an initial position through a forming cylinder 3, then metal forming powder is placed into the forming lifting cylinder, then materials in the forming lifting cylinder are strickled off through a scraping device 6, redundant metal powder is scraped to a cavity opening and closing device 8, then the cavity opening and closing device 8 is controlled to be opened, and then the redundant metal powder enters a side plate cavity block 7, so that the scraping operation is completed, then laser is emitted through a laser emitting mechanism according to a set track, so that the metal powder on a forming bottom plate 4 is selectively laser melted, so that the printing of a layer of material is completed, then the forming lifting cylinder is driven to descend through the forming cylinder 3, the steps of placing, scraping and forming of the metal powder are repeated, so that the whole printing process is completed, wherein a power element can be controlled by a single control component, and the integrated control circuit can be used for cooperative control to realize automatic SLM3D printing.

As shown in fig. 2, at least three cavity opening and closing devices 8 are uniformly arranged on the inner side of the side plate cavity block 7 along the vertical direction, and the distance between the bottoms of the adjacent cavity opening and closing devices 8 is consistent with the thickness of single selective laser melting molding.

The setting of a plurality of cavitys device 8 that opens and shuts when printing the first layer, makes the first layer cavity device that opens and shuts open, then scrapes the material, makes the second floor cavity device that opens and shuts open when printing the second layer, so operation can cooperate the scraper to realize accurate scraping material, has avoided wholly to open probably the landing condition to following shaping part's powder.

As shown in fig. 3, the cavity opening and closing device 8 comprises an opening and closing fixing block 10 connected with the inner cavity wall of the side plate cavity block 7 through an opening and closing connecting rod 9, the opening and closing fixing block 10 is hinged with an opening and closing rotating block 12, the opening and closing rotating block 12 is communicated with the inner cavity wall of the side plate cavity block 7 through an opening and closing spring 13, the lower part of the opening and closing rotating block 12 is in inclined plane fit with the upper part of the adjacent opening and closing fixing block 10, and one side of the opening and closing rotating block 12 connected with the opening and closing spring 13 is the lowest point of the lower.

The structural design of the cavity opening and closing device, when closed, the opening and closing spring 13 can push the opening and closing rotating block 12 to the inner side of the forming frame 1, because of the inclined plane relation, inevitably can be parallel and level with the inner cavity wall of the side plate cavity block, and then laser melting forming can not be influenced, when scraping materials, the scraping device can push the opening and closing rotating block 12 open, so that the rotating block is rotated, and then the opening and closing rotating block 12 is opened, and redundant metal powder is made to enter the cavity of the side plate cavity block, so that a good scraping effect can be realized, the opening and closing structure is simplified simultaneously, and power elements are reduced.

As shown in fig. 4, the scraping device 6 includes the scraping movable cylinder 21 which is arranged at the left and right outer sides of the forming frame 1 and penetrates into the forming frame 1, the scraping movable cylinder 21 is connected with the scraping movable block 22, the scraping movable block 22 is a cavity block with a downward opening, the scraping movable block 22 is internally provided with a scraping lifting cylinder 23 which can be completely received in the cavity of the scraping movable block and can stretch out and draw back in multiple stages, the scraping lifting cylinder 23 is connected with the scraping assembly 24, and the scraping movable block 22 can be contracted into the forming lifting groove 2.

Scraping device is when material is scraped to needs, divide left and right two parts to scrape the material, at first make the material movable cylinder 21 that scrapes of left part drive the right half that scrapes material movable block 22 activity to shaping frame 1 earlier, then make and scrape material lift cylinder drive and scrape the height that the material subassembly descends to scraping the material, later the cooperation is scraped the shrink of material movable cylinder 21, accomplish the material of scraping of left half, then carry out the material of scraping of right half again, scrape the material and accomplish the back, can make and scrape the material subassembly and scrape material lift cylinder 23 and all contract in scraping the material movable block, and make and scrape the material movable block and enter into shaping lift groove 2, so can not influence laser emission mechanism's laser melting shaping when can realizing scraping the material.

As shown in fig. 4, a material scraping movable supporting block 25 capable of penetrating out of the forming frame 1 is fixedly connected to the outer side of the material scraping movable block 22, and a material scraping movable limiting block 26 is arranged at a section of the material scraping movable supporting block 25 penetrating out of the forming frame 1.

Scrape material movable supporting block 25 and can remove when removing the scraper and remove and scrape the material and play the effect of support, scrape material movable limiting block 26 and can play spacing effect, the collision appears in the material part of scraping on both sides about avoiding.

As shown in fig. 5, the scraping assembly 24 includes a scraping mounting block 27 connected to the scraping lifting cylinder 23, a scraping ejecting block 29 engaged with the opening and closing rotating block 12 is disposed on an outer side of the scraping mounting block 27, a scraping block 28 is disposed on a lower portion of the outer side, and an inner side of the scraping block 28 is an inclined plane inclined inward and upward.

Scrape the material subassembly when scraping the material, insert the metal powder through scraping the material piece 28 earlier in, then the rethread scraping the material piece 28 with metal powder to the activity side scraping that corresponds, scrape simultaneously the material kicking block 29 can contact earlier and open and shut the commentaries on classics piece 12, and then can open and shut the commentaries on classics piece 12 top earlier and move and make it rotate, and then make the commentaries on classics piece 12 that opens and shuts separate with the fixed block 10 that opens and shuts, later scrape the material piece 28 can scrape unnecessary metal powder into the cavity of curb plate chamber piece, accomplish and scrape the material.

It should be noted that, in this document, 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.

The principle and embodiments of the present invention have been described herein by way of specific examples, which are provided only to help understand the method and the core idea of the present invention, and the above is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can also be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. The utility model provides a 3D printer for mould is along with shape cooling water course, is including the laser emission mechanism on shaping frame (1) and upper portion, its characterized in that, the inboard of shaping frame (1) seted up shaping lift groove (2), shaping lift groove (2) cooperation have a shaping lift section of thick bamboo, shaping lift section of thick bamboo include forming floor (4) and be located shaping curb plate (5) in lift groove (2), forming floor (4) be connected with shaping cylinder (3) that shaping frame (1) bottom set up, the shaping curb plate (5) on the left and right sides include curb plate chamber piece (7), and the inboard of curb plate chamber piece (7) is provided with cavity device (8) that opens and shuts, shaping frame (1) upper portion left and right sides side be provided with can penetrate its inside and with cavity device (8) position complex scraper (6) that opens and shuts.

2. The 3D printer for the mold conformal cooling water channel according to claim 1, wherein at least three cavity opening and closing devices (8) are uniformly arranged on the inner side of the side plate cavity block (7) along the vertical direction, and the distance between the bottoms of the adjacent cavity opening and closing devices (8) is consistent with the thickness of single selective laser melting molding.

3. The 3D printer for the mold conformal cooling water channel is characterized in that the cavity opening and closing device (8) comprises an opening and closing fixing block (10) connected with the inner cavity wall of the side plate cavity block (7) through an opening and closing connecting rod (9), the opening and closing fixing block (10) is hinged with an opening and closing rotating block (12), the opening and closing rotating block (12) is communicated with the inner cavity wall of the side plate cavity block (7) through an opening and closing spring (13), the lower portion of the opening and closing rotating block (12) is in inclined plane fit with the upper portion of the adjacent opening and closing fixing block (10), and one side, connected with the opening and closing spring (13), of the opening and closing rotating block (12) is the lowest point of the inclined plane of the lower portion.

4. The 3D printer for the mold conformal cooling water channel is characterized in that the scraping device (6) comprises scraping movable cylinders (21) which are arranged on the left outer side and the right outer side of the forming frame (1) and penetrate into the forming frame (1), the scraping movable cylinders (21) are connected with scraping movable blocks (22), the scraping movable blocks (22) are cavity blocks with downward openings, scraping lifting cylinders (23) which can be completely retracted into cavities of the scraping movable blocks and can stretch in multiple stages are arranged in the scraping movable blocks (22), the scraping lifting cylinders (23) are connected with scraping assemblies (24), and the scraping movable blocks (22) can be retracted into the forming lifting grooves (2).

5. The 3D printer for the mold conformal cooling water channel according to claim 4, wherein a material scraping movable supporting block (25) capable of penetrating out of the molding frame (1) is fixedly connected to an outer side of the material scraping movable block (22), and a material scraping movable limiting block (26) is arranged on a section of the material scraping movable supporting block (25) penetrating out of the molding frame (1).

6. The 3D printer for the mold conformal cooling water channel according to claim 4, wherein the scraping assembly (24) comprises a scraping mounting block (27) connected with the scraping lifting cylinder (23), a scraping ejecting block (29) matched with the opening and closing rotating block (12) is arranged on the outer side of the scraping mounting block (27), a scraping block (28) is arranged on the lower portion of the outer side, and the inner side of the scraping block (28) is an inclined plane which inclines inwards.