CN216096402U - Shaping storehouse location transition device and shaping storehouse locating component - Google Patents

Abstract

The utility model provides a forming bin positioning transition device and a forming bin positioning assembly, and relates to the technical field of quick change of a forming bin of electron beam 3D printing equipment. The device comprises a base, a guide mechanism and a positioning mechanism; the base is provided with a positioning surface for positioning the forming bin, and a guide mechanism and a positioning mechanism are arranged on the positioning surface; the guide mechanism is used for guiding the forming bin to move along the X direction; the positioning mechanism is used for positioning the forming bin to limit the forming bin to move along the X direction and the Y direction simultaneously after the forming bin moves along the X direction for a first preset distance and moves along the Z direction for a second preset distance; wherein the X-direction and the Y-direction define a positioning surface, any two of the X-direction, the Y-direction, and the Z-direction being perpendicular to each other. The device has compact structure, high reliability and low cost, and can be automatically positioned when the forming bin is placed back to the vacuum chamber.

Description

Shaping storehouse location transition device and shaping storehouse locating component

Technical Field

The utility model relates to the technical field of rapid change of a forming bin of electron beam 3D printing equipment, in particular to a forming bin positioning transition device and a forming bin positioning assembly.

Background

The selective electron beam melting and forming manufacturing technology has the advantages of high precision, high efficiency, low cost, good performance of a workpiece and the like, is widely applied to the fields of aerospace, biomedical treatment and the like, and the forming size is larger and larger along with the application depth. After the small parts are printed, the parts can be directly taken out by an operator. However, large parts are heavy in weight, manual work cannot directly take the parts, the height in the vacuum chamber is limited, and hoisting equipment cannot be directly used.

At present, two methods are available for replacing the forming bin: firstly, on the fixed linear motion unit in shaping storehouse, by servo motor and rack and pinion drive, shift out the shaping storehouse to the assigned position, accomplish and get a back, the shaping storehouse returns the operating position automatically again. Secondly, operating the special forklift by an operator, directly taking out the molding bin from the vacuum chamber, and putting the molding bin back by the forklift after the piece taking is completed.

Although the method for replacing the molding bin by the servo motor and the gear rack can realize the automatic moving-out of the molding bin, mechanisms such as the servo motor, the gear rack, the guide rail slide block and the like are added, the molding bin is greatly increased in cost, processing difficulty and installation precision, and the molding bin has two positions, namely a working position and a workpiece taking position, so that the structure occupies a larger area, and the number of models of the method selected in the market is small.

To the second kind adopt special fork truck to change mode in shaping storehouse, simple structure, the cost is lower, need not to wait for after taking out the shaping storehouse and get the piece, can directly change new shaping storehouse and carry out printing next time, shortened the printing preparation time, but the shortcoming is because manual operation when placing the shaping storehouse, can't be accurate to servo motor uniform location, all need operating personnel to beat the precision again after changing the shaping storehouse at every turn, and work load is great, and is higher to operating personnel's requirement for the level.

In view of this, the present application is specifically made.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model comprises providing a forming bin positioning transition device which has compact structure, high reliability and low cost, can shorten the time for replacing the forming bin and reduce the workload during replacement; meanwhile, the problems of inaccurate installation position of the molding bin and the like caused by human factors can be avoided, and the overall reliability and stability of the equipment are improved.

The second objective of the present invention is to provide a molding chamber positioning assembly including the above-mentioned molding chamber positioning transition device.

The utility model can be realized as follows:

in a first aspect, the utility model provides a molding bin positioning transition device, which comprises a base, a guide mechanism and a positioning mechanism;

the base is provided with a positioning surface for positioning the forming bin, and a guide mechanism and a positioning mechanism are arranged on the positioning surface; the guide mechanism is used for guiding the forming bin to move along the X direction; the positioning mechanism is used for positioning the forming bin to limit the forming bin to move along the X direction and the Y direction simultaneously after the forming bin moves along the X direction for a first preset distance and moves along the Z direction for a second preset distance; wherein the X-direction and the Y-direction define a positioning surface, any two of the X-direction, the Y-direction, and the Z-direction being perpendicular to each other.

In an alternative embodiment, the guide means comprise a first guide and a second guide arranged at a distance in the X direction, which together serve to define the position of the two opposite side magazine plates of the forming magazine in the Y direction.

In an alternative embodiment, each guide member includes a guide body having a first body face near the center of the positioning surface and a second body face arranged in parallel with the first body face, the first body face being provided with a guide groove recessed toward the second body face.

In an alternative embodiment, the positioning mechanism includes a first positioning member and a second positioning member, the first positioning member and the second positioning member are respectively disposed on the extending sides of the first guiding member and the second guiding member along the extending direction of the first guiding member and the second guiding member, and the first positioning member and the second positioning member are commonly used for defining the positions of two opposite side bin plates of the forming bin in the X direction and the Z direction.

In optional embodiment, each locating element comprises a first locating block, a second locating block and a third locating block which are connected in sequence, the first locating block and the third locating block are arranged in parallel at intervals along the extending direction of the guide element, the second locating block is connected to one side, away from the center of the locating surface, of the first locating block and the third locating block, the first locating block is provided with a notch, the height of the notch is equal to that of the guide groove, and a locating groove is formed between the first locating block, the second locating block and the third locating block together to enable a side bin plate led out of the guide groove to be directly matched with the locating groove to enter the locating groove.

In an alternative embodiment, the molding box positioning transition device further comprises an adjusting assembly for adjusting the X-direction, the Y-direction and the Z-direction of the base.

In an alternative embodiment, the adjusting assembly includes a first adjusting member for adjusting the Y direction of the base, the first adjusting member is disposed along the Y direction, and two ends of the first adjusting member are respectively connected with the auxiliary positioning members of the base and for connecting with the vacuum chamber.

In an optional embodiment, the adjusting assembly further comprises a second adjusting member for adjusting the X direction of the base, the second adjusting member is arranged along the X direction, and two ends of the second adjusting member are respectively connected with the base and an auxiliary positioning member for connecting with the vacuum chamber;

in an alternative embodiment, the adjustment assembly further comprises a third adjustment member disposed at an edge of the positioning surface for adjusting the Z-direction of the base such that the base is disposed horizontally relative to the positioning surface.

In an alternative embodiment, the first, second and third adjustment members are all screws.

In an alternative embodiment, the molding chamber positioning transition device adjusting piece further comprises a first fixing piece which is connected with the bottom of the molding chamber and the base at the same time so as to fix the molding chamber and the base.

In an alternative embodiment, the molding chamber positioning transition device adjusting piece further comprises a second fixing piece, and the second fixing piece is simultaneously connected with the base and the vacuum chamber so as to fix the base in the vacuum chamber.

In an alternative embodiment, the first and second fixtures are both screws.

In a second aspect, the present invention provides a molding chamber positioning assembly, which includes a molding chamber and the molding chamber positioning transition device of any one of the foregoing embodiments, wherein in a use state, the molding chamber is positioned on a positioning surface of the molding chamber positioning transition device.

In an alternative embodiment, the forming chamber is a forming chamber of an electron beam selective melting apparatus.

In an optional embodiment, the molding bin comprises a molding bin body and two clamping blocks;

the shaping storehouse body has two relative side storehouse boards, and two joint pieces set up respectively in the surface of two side storehouse boards, and one of them joint piece is used for locating with first setting element cooperation after first guide guiding, and another joint piece is used for locating with second setting element cooperation after the second guide guiding.

In an optional implementation mode, the end parts, used for being connected with the base, of the two side bin plates are respectively provided with a support, and the clamping blocks are arranged on the outer side wall of the support.

The beneficial effect of this application includes:

the application provides a shaping storehouse location transition device, its guiding mechanism and positioning mechanism through setting up on the base, the cooperation realizes the location of shaping storehouse on shaping storehouse location transition device, and rethread shaping storehouse location transition device is connected with real empty room, realizes the location of shaping storehouse in the vacuum chamber.

The positioning and transition device for the molding bin has the advantages of compact structure, high reliability and low cost, and can shorten the time for replacing the molding bin and reduce the workload during replacement; meanwhile, the problems of inaccurate installation position of the molding bin and the like caused by human factors can be avoided, and the overall reliability and stability of the equipment are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a molding chamber positioning transition device in a molding chamber positioning assembly according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a molding bin positioning assembly according to an embodiment of the present disclosure from a second perspective;

FIG. 3 is a schematic view of a portion of the molding chamber positioning transition device and the molding chamber of FIG. 2 from a third perspective;

FIG. 4 is a schematic view of a portion of the molding chamber positioning transition device and the molding chamber of FIG. 2 from a fourth perspective;

fig. 5 is a partial structural schematic view of the molding chamber positioning transition device and the molding chamber in fig. 2 from a fifth view angle.

Icon: 1-a base; 11-a first side; 12-a second side; 13-a third side; 14-fourth side; 15-a positioning surface; 21-a first guide; 22-a second guide; 23-a guide body; 231-a first body face; 232-second body face; 233-guide groove; 31-a first positioning member; 32-a second positioning element; 331-a first location block; 332-a second locating block; 333-a third positioning block; 334-notch; 335-a positioning groove; 41-a first adjustment member; 42-a second adjustment member; 43-a third adjustment member; 44-a first fixture; 45-a second fixture; 51-unfilled corner; 61-a first auxiliary block; 62-a second auxiliary block; 611 — a first adjustment aperture; 621-a second regulation hole; 71-a fixation hole; 72-a third adjustment aperture; 73-first fixing hole; 74-second fixing hole; 75-a third fixation hole; 8-piston centerline; 91-a first side bin plate; 92-a second side deck; 93-a first clamping block; 94-a second card block; 95-support.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "inner", "outer", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the term "horizontal" does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. It is merely meant that its orientation is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 to 5, the present embodiment provides a molding chamber positioning assembly, which includes a molding chamber and a molding chamber positioning transition device, wherein in a use state, the molding chamber is positioned on a positioning surface 15 of the molding chamber positioning transition device.

The forming chamber may be a forming chamber of an electron beam selective melting apparatus.

The molding bin comprises a molding bin body and two clamping blocks. Wherein, the cross section of the molding bin body is square. The molding box body has two opposite side box plates, hereinafter referred to as a first side box plate 91 and a second side box plate 92 for the convenience of understanding.

Two clamping blocks (defined as a first clamping block 93 and a second clamping block 94) are respectively arranged on the outer surfaces of the two side bin plates, that is, the first clamping block 93 is arranged on the outer surface of the first side bin plate 91, and the second clamping block 94 is arranged on the outer surface of the second side bin plate 92. And the first and second clamping blocks 94 are located at the ends of the two side bin plates for connection with the molding bin positioning transition device.

Preferably, the end portions, used for being connected with the forming bin positioning transition device, of the two side bin plates are provided with supports 95, and the clamping blocks are arranged on the outer side walls of the supports 95. In the use state, the support 95 abuts against the molding bin positioning transition device.

The molding bin positioning transition device comprises a base 1, a guide mechanism and a positioning mechanism.

The base 1 is provided with a positioning surface 15 for positioning the molding bin, and the positioning surface 15 is provided with the guide mechanism and the positioning mechanism. The guide mechanism is used for guiding the forming bin to move along the X direction; the positioning mechanism is used for positioning the forming bin to limit the forming bin to move along the X direction and the Y direction simultaneously after the forming bin moves along the X direction for a first preset distance and moves along the Z direction for a second preset distance; wherein the X-direction and the Y-direction define a positioning surface, any two of the X-direction, the Y-direction, and the Z-direction being perpendicular to each other.

As can be seen, the base 1 has a first side 11 to a fourth side 14 connected end to end in sequence. For convenience of understanding, a direction from the first side 11 to the third side 13 is defined as a Y-direction, and a direction from the second side 12 to the fourth side 14 is defined as an X-direction.

In this embodiment, the positioning surface 15 is axisymmetric in both the X-direction and the Y-direction (in other embodiments, the positioning surface 15 may have other shapes). In the clockwise direction, as shown in fig. 1, starting from the left, there are a first side 11, a second side 12, a third side 13 and a fourth side 14.

The guide mechanism includes a first guide 21 and a second guide 22, which are symmetrically disposed on the first side 11 and the third side 13 of the positioning surface 15 (specifically, the first guide 21 and the second guide 22 are disposed at an interval in the X direction). One end of each of the two guides starts at the fourth side 14 and the other end extends towards the second side 12; the two guides together serve to define the position of the two opposite side magazine plates of the forming magazine between the first side 11 and the third side 13 (i.e. in the Y-direction).

The positioning mechanism comprises a first positioning part 31 and a second positioning part 32, the two positioning parts are respectively arranged on one side of the two guide parts far away from the fourth side 14 along the extending direction of the two guide parts, and the connecting line of the midpoints in the length direction of the two positioning parts is collinear with the connecting line of the midpoints of the sides of the positioning surface 15 corresponding to the first side 11 and the third side 13; the two positioning elements serve together to define the position of the two side compartment plates of the molding compartment between the second side 12 and the fourth side 14 (i.e. in the X direction) and to connect the lower ends of the two side compartment plates of the molding compartment with the positioning surface 15 (i.e. in the Z direction).

Each of the guides has a first end and a second end in the length direction, wherein the first end opens at the fourth side 14 and the second end extends towards the second side 12. It will be appreciated that the end of the first end of the guide may be flush with the fourth side 14, or may be spaced from the side of the fourth side 14. The direction of extension of the above-mentioned guide is parallel to the axis of symmetry of the positioning surface 15 in the X-direction.

The positioning member is disposed in front of the second end of the guide member along the length direction of the guide member, and specifically, the positioning member and the guide member may be directly connected or disposed at intervals according to the overall size of the positioning surface 15. The symmetry axis of the positioning member in the Y direction coincides with the symmetry axis of the positioning surface 15 in the Y direction.

In an alternative embodiment, each guide member includes a guide body 23, the guide body 23 having a first body surface 231 near the center of the positioning surface 15 and a second body surface 232 disposed in parallel with the first body surface 231, the first body surface 231 being provided with a guide groove 233 recessed toward the second body surface 232.

It can be understood that: in some embodiments, the guide body 23 is a solid rectangular solid with the second body face 232 facing the first body face 231 except for a portion of smaller size that conforms to the overall shape of the guide body 23. The area corresponding to the small-sized portion is the guide groove 233.

The guide grooves 233 of the first guide member 21 and the guide grooves 233 of the second guide member 22 cooperate with each other to guide the catching blocks on the molding houses, thereby defining the Y-position of the side magazine plate of the molding houses, on the positioning surface 15, where the catching blocks are provided, between the first guide member 21 and the second guide member 22.

The first clamping block 93 of the molding bin is used for being matched and positioned with the first positioning part 31 after being guided by the first guide part 21, and the second clamping block 94 is used for being matched and positioned with the second positioning part 32 after being guided by the second guide part 22.

Each positioning member is composed of a first positioning block 331, a second positioning block 332 and a third positioning block 333 which are connected in sequence, the first positioning block 331 and the third positioning block 333 are arranged in parallel at intervals along the extending direction of the guide member, the second positioning block 332 is connected to the first positioning block 331 and the third positioning block 333 at one side close to the first side 11, a notch 334 is arranged on the first positioning block 331, and the height of the notch 334 is equal to that of the guide groove 233. The first positioning block 331, the second positioning block 332, and the third positioning block 333 commonly form a positioning groove 335 therebetween so that the side bin plate guided out from the guide groove 233 is directly fitted into the positioning groove 335.

The positioning groove 335 of the first positioning piece 31 and the positioning groove 335 of the second positioning piece 32 are matched with each other to position the clamping block on the molding bin, so that the X-direction position of the clamping block arranged on the positioning surface 15 of the molding bin is defined between the first positioning block 331 and the third positioning block 333, and the Y-direction positions of the two side bin plates arranged on the clamping block arranged on the molding bin on the positioning surface 15 are also defined.

The above-described spacing and positioning process can be understood as follows: the first guide member 21 and the second guide member 22 perform a primary limiting function on the molding chamber, that is, the connecting blocks of the two side chamber plates of the molding chamber are respectively clamped in the guide groove 233 of the first guide member 21 and the guide groove 233 of the second guide member 22, so as to define the Y-direction position of the molding chamber on the positioning surface 15. Further, slide forward through the connecting block, then through entering into the constant head tank 335 with the breach 334 position of the first locating piece 331 of the highly uniform matching of guide way 233, and the terminal surface butt of the one end of keeping away from the guide way 233 of connecting block in the inner wall of third locating piece 333 to inject the X position of shaping storehouse on locating surface 15, then slide the joint piece along the direction of height of constant head tank 335 downwards to, until the base 1 butt locating surface 15 of shaping storehouse, can be with shaping storehouse location in locating surface 15.

Further, the molding bin positioning transition device may further include an adjusting assembly for adjusting the X direction, the Y direction and the Z direction of the base 1.

The adjusting assembly includes a first adjusting member 41 connected to the side wall of the first side 11 and the side wall of the third side 13 of the base 1 and an auxiliary positioning member connected to the vacuum chamber for adjusting the position of the first side 11 and the third side 13 of the base 1 in the vacuum chamber, that is, the first adjusting member 41 is used for adjusting the Y-direction position of the base 1 in the vacuum chamber.

Preferably, the adjusting member further includes a second adjusting member 42 connected to the side wall of the first side 11 and the side wall of the third side 13 of the base 1 and an auxiliary positioning member connected to the vacuum chamber for adjusting the position of the second side 12 and the fourth side 14 of the base 1 in the vacuum chamber, that is, the second adjusting member 42 is used for adjusting the X-direction position of the base 1 in the vacuum chamber.

To facilitate the arrangement of the first adjusting member 41 and the second adjusting member 42, the base 1 may be rectangular and each of four corners thereof may be provided with a notch 51 extending from the second side 12 and the fourth side 14 to opposite sides. The length of the unfilled corner 51 is less than the length of the guide.

Correspondingly, 4 auxiliary positioning members connected with the vacuum chamber can be arranged at the 4 unfilled corners 51, and the auxiliary positioning members comprise a first auxiliary block 61 parallel to the X direction and a second auxiliary block 62 parallel to the Y direction. First supplementary piece 61 has seted up along Y to first regulation hole 611, second supplementary piece 62 has seted up along X to second regulation hole 621, the first side 11 wall and the third side 13 wall of base 1 have seted up respectively with first regulation hole 611 and the corresponding fixed orifices 71 of second regulation hole 621, the one end of first regulating part 41 runs through first regulation hole 611 and is connected with corresponding fixed orifices 71, the one end of second regulating part 42 runs through second regulation hole 621 and is connected with corresponding fixed orifices 71.

Further, the adjusting member further includes a third adjusting member 43 for adjusting the inclination angle (level degree) of the base 1 within the vacuum chamber, which is provided at the edge of the positioning surface 15 in order to level the base 1 with respect to the positioning surface 15. A third adjusting piece 43 is attached to the positioning surface 15 on the first side 11 at a position near the second side 12 and the fourth side 14, respectively, and to the positioning surface 15 on the third side 13 at a position near the second side 12 and the fourth side 14, respectively.

Specifically, the positions of the positioning surface 15 corresponding to the 4 unfilled corners 51 are respectively provided with a third adjusting hole 72, and the third adjusting member 43 is connected with the third adjusting hole 72 so as to realize that the inclination of the base 1 is 0 °. I.e. the symmetry axis of the moulding chamber positioned on the base 1 parallel to the height direction of the moulding chamber (defined as the Z-direction) is parallel to the symmetry axis of the vacuum chamber in the corresponding direction.

Further, the adjusting member further comprises a first fixing member 44, and the first fixing member 44 is connected with the bottom of the molding chamber and the base 1 to fix the molding chamber and the base 1.

As can be seen, the positioning surface 15 is provided with first fixing holes 73 at positions inside the guide and the positioning member, and the first fixing holes 73 are equidistantly spaced from the second side 12 to the fourth side 14. The support 95 of the molding cabin is provided with a second fixing hole 74 matched with the first fixing hole 73, and the first fixing piece 44 is connected with the first fixing hole 73 and the second fixing hole 74 simultaneously to fix the molding cabin and the base 1.

Further, the adjusting member further includes a second fixing member 45, and the second fixing member 45 is simultaneously connected to the base 1 and the vacuum chamber to fix the base 1 in the vacuum chamber.

Specifically, the positions of the positioning surface 15 corresponding to the 4 unfilled corners 51 are further provided with third fixing holes 75, the vacuum chamber is provided with fourth fixing holes (not shown) matched with the third fixing holes 75, and the second fixing member 45 is connected with the third fixing holes 75 and the fourth fixing holes simultaneously so as to connect the base 1 with the vacuum chamber.

The adjusting members and the fixing members may be screws, the adjusting holes and the fixing holes are threaded holes, and the adjusting members are in threaded connection with the corresponding adjusting holes.

Bearing, the adjustment and the working process of the shaping storehouse locating component that this application provided can refer to as follows:

when the device is installed for the first time, the forming bin positioning transition device is placed in a vacuum chamber, an operator inserts the forming bin by using a special forklift and carefully places the forming bin into the vacuum chamber, and when the device is placed into the vacuum chamber, a first connecting block and a second connecting block of the forming bin need to be pre-positioned in a channel formed by guide grooves 233 (a first guide groove 233 and a second guide groove 233) on two sides.

After passing through the pre-positioning channel ((the first guide groove 233 and the second guide groove 233)), the first connecting block and the second connecting block of the molding bin respectively abut against the inner walls of the third positioning blocks 333 of the first positioning piece 31 and the second positioning piece 32, and at this time, the molding bin is put down, so that 2 connecting blocks respectively fall into the positioning grooves 335 on the two sides, and positioning is completed.

The molding bin and the molding bin positioning transition device are fixed into a whole through the second fixing piece 45.

The first adjusting piece 41, the second adjusting piece 42 and the third adjusting piece 43 are adjusted to enable the center line of the forming bin to be overlapped with the center line 8 of the Z-direction moving piston in the vacuum chamber, and the error precision meets the use requirement.

And screwing down the second fixing piece 45 to complete the adjustment and installation of the molding bin positioning transition device in the vacuum chamber.

When the molding bin is replaced, the first fixing member 44 is firstly removed, the molding bin is vertically lifted by a special forklift, so that the connecting blocks of the molding bin vertically move out of the positioning grooves 335, then the molding bin is translated along the X direction, the connecting blocks of the molding bin slide towards the fourth side 14 through the guide grooves 233, and the molding bin can be taken out after sliding out. The molding bin is installed and taken out in the opposite sequence.

In conclusion, the forming bin positioning transition device provided by the application has the advantages of compact structure, high reliability and low cost, and can shorten the time for replacing the forming bin and reduce the workload during replacement; meanwhile, the problems of inaccurate installation position of the molding bin and the like caused by human factors can be avoided, and the overall reliability and stability of the equipment are improved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A positioning transition device of a molding bin is characterized by comprising a base, a guide mechanism and a positioning mechanism;

the base is provided with a positioning surface for positioning the forming bin, and the guiding mechanism and the positioning mechanism are arranged on the positioning surface; the guide mechanism is used for guiding the forming bin to move along the X direction; the positioning mechanism is used for positioning the forming bin to limit the forming bin to move along the X direction and the Y direction simultaneously after the forming bin moves along the X direction for a first preset distance and moves along the Z direction for a second preset distance; wherein the X-direction and the Y-direction define the positioning surface, any two of the X-direction, the Y-direction, and the Z-direction being perpendicular to each other.

2. The molding silo positioning transition device of claim 1, wherein the guide mechanism includes first and second guides spaced apart in the X-direction that collectively serve to define the position of opposing side silo panels of the molding silo in the Y-direction.

3. The molding silo positioning transition device of claim 2, wherein each guide includes a guide body having a first body face proximate a center of the positioning surface and a second body face disposed parallel to the first body face, the first body face being provided with a guide slot recessed toward the second body face.

4. The molding bin positioning transition device according to claim 3, wherein the positioning mechanism comprises a first positioning piece and a second positioning piece, the first positioning piece and the second positioning piece are respectively arranged on the extending sides of the first guide piece and the second guide piece along the extending direction of the first guide piece and the second guide piece, and the first positioning piece and the second positioning piece are jointly used for limiting the positions of two opposite side bin plates of the molding bin in the X direction and the Z direction.

5. The forming bin positioning transition device according to claim 4, wherein each positioning element is composed of a first positioning block, a second positioning block and a third positioning block which are sequentially connected, the first positioning block and the third positioning block are arranged in parallel at intervals along the extending direction of a guide member, the second positioning block is connected to one side of the first positioning block and the third positioning block, which is far away from the center of the positioning surface, the first positioning block is provided with a notch, the height of the notch is equal to that of the guide groove, and a positioning groove is formed among the first positioning block, the second positioning block and the third positioning block together so that a side bin plate led out from the guide groove can be directly matched with the positioning groove to enter the positioning groove.

6. The molding silo positioning transition device of claim 5, further comprising an adjustment assembly for adjusting the X, Y, and Z directions of the base.

7. The molding bin positioning transition device according to claim 6, wherein the adjusting assembly comprises a first adjusting member for adjusting the Y direction of the base, the first adjusting member is arranged along the Y direction, and two ends of the first adjusting member are respectively connected with the auxiliary positioning members of the base and the vacuum chamber;

the adjusting assembly further comprises a second adjusting piece used for adjusting the X direction of the base, the second adjusting piece is arranged along the X direction, and two ends of the second adjusting piece are respectively connected with the base and an auxiliary positioning piece used for being connected with the vacuum chamber;

the adjusting assembly further comprises a third adjusting piece which is arranged at the edge of the positioning surface and used for adjusting the Z direction of the base so that the base is horizontally arranged relative to the positioning surface;

the first adjusting piece, the second adjusting piece and the third adjusting piece are all screws.

8. The molding bin positioning transition device of claim 7, further comprising a first fixture connected to both the bottom of the molding bin and the base to secure the molding bin to the base;

the molding bin positioning transition device also comprises a second fixing piece which is simultaneously connected with the base and the vacuum chamber so as to fix the base in the vacuum chamber;

the first fixing piece and the second fixing piece are both screws.

9. A molding chamber positioning assembly, comprising a molding chamber and the molding chamber positioning transition device of any one of claims 1 to 8, wherein in a use state, the molding chamber is positioned on a positioning surface of the molding chamber positioning transition device;

the molding bin is a molding bin of electron beam selective melting equipment.

10. The molding bin positioning assembly of claim 9, wherein the molding bin comprises a molding bin body and two snap blocks;

the molding bin body is provided with two opposite side bin plates, two clamping blocks are respectively arranged on the outer surfaces of the two side bin plates, one clamping block is used for being matched and positioned with a first positioning piece after being guided by a first guide piece, and the other clamping block is used for being matched and positioned with a second positioning piece after being guided by a second guide piece;

the tip that is used for of two side storehouse boards with the base is connected all is equipped with the support, the joint piece set up in the lateral wall of support.

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