CN220297825U - Forming cylinder and additive manufacturing equipment - Google Patents
Forming cylinder and additive manufacturing equipment Download PDFInfo
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- CN220297825U CN220297825U CN202320652145.4U CN202320652145U CN220297825U CN 220297825 U CN220297825 U CN 220297825U CN 202320652145 U CN202320652145 U CN 202320652145U CN 220297825 U CN220297825 U CN 220297825U
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- cylinder body
- cylinder
- outer frame
- additive manufacturing
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 48
- 239000000654 additive Substances 0.000 title claims abstract description 37
- 230000000996 additive effect Effects 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 238000010276 construction Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 35
- 238000004140 cleaning Methods 0.000 abstract description 18
- 238000007639 printing Methods 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000005245 sintering Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 239000000758 substrate Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
A forming cylinder and additive manufacturing apparatus, wherein the forming cylinder comprises: the cylinder body outer frame is provided with first lifting lugs on two sides respectively so as to be matched with an external lifting mechanism; the cylinder body flange is positioned at the bottom of the cylinder body outer frame, and two sides of the cylinder body flange are respectively provided with a second lifting lug so as to be matched with an external lifting mechanism; the cylinder body flange is provided with at least one locating pin for locating and installing the cylinder body outer frame and the cylinder body flange, after the sintering work of the workpiece to be printed of the additive manufacturing equipment is finished, the cylinder body outer frame, the piston mechanism, the base plate and the workpiece can be easily separated, and when the cylinder body outer frame is lifted to leave the piston mechanism, the base plate and the workpiece, a large amount of powder is quickly discharged under the action of gravity, so that the aim of quickly cleaning the powder is fulfilled; and after the cylinder body outer frame is separated, the cylinder body outer frame can be transferred to the next station to install the piston mechanism and the base plate so as to prepare the next printing work of the workpiece to be printed, so that the waiting time of the additive manufacturing equipment is saved, and the production efficiency of the additive manufacturing equipment is improved.
Description
Technical Field
The utility model belongs to the technical field of additive manufacturing, and particularly relates to a forming cylinder and additive manufacturing equipment.
Background
The additive manufacturing technology is an advanced manufacturing technology with the distinct characteristics of digital manufacturing, high flexibility and adaptability, direct CAD model driving, rapidness, rich and various material types and the like, and has a very wide application range because the additive manufacturing technology is not limited by the complexity of the shape of the part and does not need any tooling die. Selective laser melting (Selective Laser Melting, SLM) is one of the rapidly developing additive manufacturing technologies in recent years, which uses powder materials as raw materials, and scans the cross section of a three-dimensional entity layer by using laser to complete prototype manufacturing. The basic working process is as follows: the powder feeding device feeds a certain amount of powder to the working platform surface, the powder spreading device spreads a layer of powder material on the upper surface of the working cavity bottom plate or the formed part, the laser vibrating mirror system controls laser to scan the solid part powder layer according to the section outline of the layer with approximately unchanged spot size and beam energy, so that the powder is melted and is bonded with the formed part below; after the section of one layer is sintered, the working platform descends by one layer of thickness, the powder spreading device spreads a layer of uniform and compact powder on the working platform, the scanning sintering of the section of the new layer is carried out, and a plurality of layers of scanning and superposition are carried out until the whole prototype manufacturing is completed.
After the additive manufacturing equipment is formed, the powder cleaning operation is required to be carried out on the work package. The main stream operation method at present is that the whole forming cylinder is transferred to a powder cleaning station, a piston lifting mechanism is used for ejecting the work package, the whole piston mechanism is still positioned in the forming cylinder, and the work package is cleaned manually. However, the powder cleaning of one work package generally requires more labor and time, and the powder cleaning difficulty is high, so that the production efficiency of the additive manufacturing equipment is low.
Disclosure of Invention
In order to solve the technical problems in the prior art, the utility model provides the forming cylinder and the additive manufacturing equipment, wherein the forming cylinder enables a large amount of powder to be automatically separated from a workpiece under the action of gravity, so that the time for manually cleaning the powder is shortened, the powder cleaning efficiency is improved, and the production efficiency of the additive manufacturing equipment is further improved.
To achieve the above object, the present utility model provides a forming cylinder comprising:
the cylinder body outer frame is provided with first lifting lugs on two sides respectively so as to be matched with an external lifting mechanism;
the cylinder body flange is positioned at the bottom of the cylinder body outer frame, and two sides of the cylinder body flange are respectively provided with a second lifting lug so as to be matched with an external lifting mechanism; wherein,
and the cylinder body flange is provided with at least one locating pin for locating and installing the cylinder body outer frame and the cylinder body flange.
As a further preferable scheme of the utility model, the forming cylinder further comprises a piston mechanism, a base plate and a driving mechanism, wherein the base plate and the piston mechanism are arranged in the cylinder body outer frame from top to bottom and are driven by the driving mechanism to move up and down in the cylinder body outer frame.
As a further preferable mode of the utility model, a spigot is arranged on the inner side of the cylinder flange and is used for limiting the lowest position of the piston mechanism and the base plate on the cylinder outer frame.
As a further preferable mode of the present utility model, the substrate is used for molding a workpiece to be printed.
As a further preferable mode of the utility model, the first lifting lug and the cylinder outer frame are integrally formed.
As a further preferable mode of the utility model, the second lifting lug and the cylinder flange are integrally formed.
As a further preferable aspect of the present utility model, the forming cylinder has a square structure.
The utility model also provides additive manufacturing equipment comprising the forming cylinder.
The forming cylinder of the utility model comprises: the cylinder body outer frame is provided with first lifting lugs on two sides respectively so as to be matched with an external lifting mechanism; the cylinder body flange is positioned at the bottom of the cylinder body outer frame, and two sides of the cylinder body flange are respectively provided with a second lifting lug so as to be matched with an external lifting mechanism; the cylinder body flange is provided with at least one locating pin for locating and installing the cylinder body outer frame and the cylinder body flange, so that after sintering work of a workpiece to be printed of the additive manufacturing equipment is finished, the whole cylinder body assembly can be transported to a powder cleaning station by using the second lifting lug matched with the lifting mechanism, then the cylinder body outer frame is lifted by using the first lifting lug matched with the lifting mechanism, so that the cylinder body outer frame can be easily separated from the piston mechanism, the base plate and the workpiece, and when the cylinder body outer frame is lifted to leave the piston mechanism, the base plate and the workpiece, a large amount of powder is quickly discharged under the action of gravity, so that the aim of quickly cleaning the powder is fulfilled. And after the cylinder body outer frame is separated from the cylinder body flange, the piston mechanism and the base plate can be transferred to the next station to prepare for the next printing work of the workpiece to be printed, so that the waiting time of the additive manufacturing equipment is greatly saved, and the production efficiency of the additive manufacturing equipment is further improved.
According to the additive manufacturing equipment, by the aid of the forming cylinder, powder cleaning efficiency after printing is finished is greatly improved, participation of manual powder cleaning is reduced, and accordingly production efficiency of the additive manufacturing equipment is improved; and after the cylinder body outer frame is separated from the cylinder body flange, the piston mechanism and the base plate can be transferred to the next station to prepare for the next printing work of the workpiece to be printed, so that the waiting time of the additive manufacturing equipment is greatly saved, and the production efficiency of the additive manufacturing equipment is further improved.
Drawings
FIG. 1 is a schematic view of a forming cylinder according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram showing a second embodiment of a forming cylinder according to the present utility model;
FIG. 3 is a schematic diagram of a third embodiment of a forming cylinder according to the present utility model;
FIG. 4 is a schematic diagram of the working state provided by the additive manufacturing apparatus of the present utility model;
FIG. 5 is a second schematic diagram of the working state provided by the additive manufacturing apparatus of the present utility model;
FIG. 6 is a third schematic diagram of the operating state provided by the additive manufacturing apparatus of the present utility model;
FIG. 7 is a schematic diagram of a fourth operating state provided by the additive manufacturing apparatus of the present utility model;
FIG. 8 is a schematic diagram of the operating state provided by the additive manufacturing apparatus of the present utility model;
fig. 9 is a schematic diagram showing an operating state provided by the additive manufacturing apparatus of the present utility model.
The components in the figures are labeled as follows:
1. the cylinder body flange, 2, the piston mechanism, 3, the base plate, 4, the cylinder body frame, 5, second lug, 6, the locating pin, 7, tang, 8, first lug, 9, davit, 10, work piece, 11, working chamber, 12, transfer station, 13, clear powder platform.
Detailed Description
In order to better understand and implement the technical solutions of the present utility model, the following description will be made in detail with reference to the drawings and the specific embodiments of the present utility model.
Example 1
Fig. 1 is a state when the forming cylinder is integrally lifted by the suspension arm 9 (or the suspension claw) of the lifting mechanism when the forming cylinder is at the lifting station of the lifting mechanism after the printing work is finished, fig. 2 is a state when the forming cylinder is at the powder cleaning station, the suspension arm 9 lifts the cylinder body outer frame 4 and is separated from the piston mechanism 2, and fig. 3 is a schematic diagram of the cylinder body outer frame 4 being connected with the cylinder body flange 1 again. As shown in fig. 1 to 3, the forming cylinder provided by this embodiment includes:
the cylinder body outer frame 4 is provided with first lifting lugs 8 on two sides respectively for being matched with an external lifting mechanism;
the cylinder body flange 1 is positioned at the bottom of the cylinder body outer frame 4, and two sides of the cylinder body flange are respectively provided with a second lifting lug 5 to be matched with an external lifting mechanism; wherein,
at least one locating pin 6 is arranged on the cylinder flange 1 and used for locating and installing the cylinder outer frame 4 and the cylinder flange 1.
As shown in fig. 1 and 2, the forming cylinder further includes a piston mechanism 2, a base plate 3, and a driving mechanism, where the base plate 3 and the piston mechanism 2 are disposed in the cylinder outer frame 4 from top to bottom, and are driven by the driving mechanism to move up and down in the cylinder outer frame 4.
Referring to fig. 1, a spigot 7 is provided on the inner side of the cylinder flange 1 to limit the piston mechanism 2 and the base plate 3 at the lowest position of the cylinder frame 4, i.e. the piston mechanism 2 and the base plate 3 can be pulled by the spigot 7 without falling from the cylinder frame 4, and the piston mechanism 2 and the base plate 3 move up and down above the spigot 7 on the inner wall of the cylinder frame 4.
In one embodiment, the substrate 3 is used to form a workpiece to be printed (also referred to as workpiece 10).
Preferably, the first lifting lug 8 and the cylinder body outer frame 4 are integrally formed, and the second lifting lug 5 and the cylinder body flange 1 are integrally formed, so that the strength of the first lifting lug 8 and the second lifting lug 5 can be improved, and the processing of the first lifting lug and the second lifting lug is simpler.
In another implementation, the forming cylinder has a square structure, and of course, the forming cylinder may have other shapes, such as a circle, etc., which are not limited in shape in the present application.
After the additive manufacturing equipment is printed, the piston mechanism 2, the workpiece 10 and the substrate 3 are positioned in the forming cylinder of the embodiment, after the forming cylinder is conveyed to the transferring station 12 by the conveying belt, the forming cylinder is integrally lifted to the powder cleaning station by the lifting mechanism (forklift or crane), then the cylinder body outer frame 4 is independently lifted, the cylinder body flange 1, the piston mechanism 2, the workpiece 10, the substrate 3 and the cylinder body outer frame 4 are separated, most of powder is automatically discharged under the action of gravity when the cylinder body outer frame 4 is lifted, the purpose of quickly cleaning the powder is achieved, and after the cylinder body outer frame 4 is separated, the cylinder body outer frame 4 is transferred to the next station to install the cylinder body flange 1, the piston mechanism 2 and the substrate 3 so as to prepare for the next printing work.
The forming cylinder of this embodiment is formed by comprising: the cylinder body outer frame 4 is provided with first lifting lugs 8 on two sides respectively for being matched with an external lifting mechanism; the cylinder body flange 1 is positioned at the bottom of the cylinder body outer frame 4, and two sides of the cylinder body flange are respectively provided with a second lifting lug 5 to be matched with an external lifting mechanism; the cylinder body flange 1 is provided with at least one positioning pin 6 for positioning and mounting the cylinder body outer frame 4 and the cylinder body flange 1, so that after sintering work of a workpiece 10 to be printed of the additive manufacturing equipment is finished, the cylinder body outer frame 4, the cylinder body flange 1, the piston mechanism 2, the base plate 3 and the workpiece 10 can be easily separated, and when the cylinder body outer frame 4 is lifted to leave the cylinder body flange 1, the piston mechanism 2, the base plate 3 and the workpiece 10, a large amount of powder is quickly discharged under the action of gravity, so that the purpose of quickly cleaning the powder is achieved; in addition, after the cylinder outer frame 4 is separated from the cylinder flange 1, the cylinder outer frame can be transferred to the next station to mount the piston mechanism 2 and the base plate 3 so as to prepare for the next printing work of the workpiece 10 to be printed, so that the waiting time of the additive manufacturing equipment is greatly saved, and the production efficiency of the additive manufacturing equipment is further improved.
Example two
The additive manufacturing apparatus of this embodiment, including the forming cylinder of the first embodiment described above, and the working chamber 11, of course, also includes other components of the prior art, such as a powder feeding device, an optical path system, and so on, and since the protection core of the present application is the forming cylinder, the other components of the additive manufacturing apparatus will not be specifically described in the present application.
The operation of the additive manufacturing apparatus of this embodiment is as follows:
when the printing of the workpiece 10 to be printed is finished, the forming cylinder falls onto the conveying belt, at the moment, the cylinder body outer frame 4 is connected with the cylinder body flange 1 through the positioning pin 6, the piston mechanism 2, the workpiece 10 and the base plate 3 are supported by the spigot 7 of the cylinder body flange 1 and cannot fall from the forming cylinder, as shown in fig. 4;
transferring the forming cylinder to a transferring station 12, and clamping a suspension arm 9 of a crane into a second lifting lug 5 of the cylinder flange 1, as shown in fig. 5;
the crane integrally lifts the molding cylinder into the powder cleaning station as shown in fig. 6 and 7;
the suspension arm 9 of the crane withdraws from the second lifting lug 5 of the cylinder flange 1 and is clamped into the first lifting lug 8 of the cylinder outer frame 4, as shown in fig. 8;
the crane lifts the whole cylinder body outer frame 4, at this moment, the cylinder body flange 1, the piston mechanism 2, the base plate 3 and the workpiece 10 stay in the powder cleaning table 13, the separation of the cylinder body outer frame 4 and the piston mechanism 2 is completed, and most of residual powder in the printing process freely falls into a hopper of the powder cleaning table 13, as shown in fig. 9;
the cylinder frame 4 is then transferred to the next station, connected to the cylinder flange 1 as shown in fig. 2, and the piston mechanism 2 and the base plate 3 are mounted to prepare for the next printing of the workpiece 10 to be printed, and positioned using the positioning pins 6.
The above embodiments are only preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments, and all technical solutions belonging to the concept of the present utility model should belong to the protection scope of the present utility model. It should be noted that several modifications and adaptations without departing from the principles of the present utility model are intended to be within the scope of the present utility model.
Claims (8)
1. A forming cylinder, comprising:
the cylinder body outer frame is provided with first lifting lugs on two sides respectively so as to be matched with an external lifting mechanism;
the cylinder body flange is positioned at the bottom of the cylinder body outer frame, and two sides of the cylinder body flange are respectively provided with a second lifting lug so as to be matched with an external lifting mechanism; wherein,
and the cylinder body flange is provided with at least one locating pin for locating and installing the cylinder body outer frame and the cylinder body flange.
2. The forming cylinder according to claim 1, further comprising a piston mechanism, a base plate and a driving mechanism, wherein the base plate and the piston mechanism are arranged in the cylinder outer frame from top to bottom, and are driven by the driving mechanism to move up and down in the cylinder outer frame.
3. A forming cylinder according to claim 1, wherein a spigot is provided on the inside of the cylinder flange for defining the lowest position of the piston means and base plate in the cylinder housing.
4. A forming cylinder according to claim 2, wherein the base plate is for forming a workpiece to be printed.
5. The forming cylinder of claim 1, wherein the first lifting lug is integrally formed with the cylinder housing.
6. The forming cylinder of claim 1, wherein the second lifting lug is integrally formed with the cylinder flange.
7. A forming cylinder according to any one of claims 1 to 6, characterized in that the forming cylinder is of square construction.
8. Additive manufacturing apparatus, characterized by comprising a forming cylinder according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652145.4U CN220297825U (en) | 2023-03-29 | 2023-03-29 | Forming cylinder and additive manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652145.4U CN220297825U (en) | 2023-03-29 | 2023-03-29 | Forming cylinder and additive manufacturing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220297825U true CN220297825U (en) | 2024-01-05 |
Family
ID=89352020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320652145.4U Active CN220297825U (en) | 2023-03-29 | 2023-03-29 | Forming cylinder and additive manufacturing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220297825U (en) |
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2023
- 2023-03-29 CN CN202320652145.4U patent/CN220297825U/en active Active
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