A sampling tool for selective laser melting equipment

Abstract

The present application relates to a sampling tool for a selective laser melting device, and relates to the technical field of 3D laser printer auxiliary devices, which includes a side bracket and a connecting rod, wherein the side bracket is provided with two pieces, and the two side brackets are respectively provided on the left and right sides of a substrate, and the lower ends of the two side brackets are provided with connecting pieces detachably connected to the side of the substrate, and the connecting rod is provided between the upper ends of the two side brackets, and the two ends of the connecting rod are detachably connected to the two side brackets. The present application has the effect of ensuring the safety when taking out the substrate.

Description

Technical Field

[0001] The present application relates to the technical field of 3D laser printer auxiliary devices, and in particular to a sampling tool for selective laser melting equipment. Background Art

[0002] Laser selective melting forming technology is an advanced laser additive manufacturing technology developed based on the basic principle of prototype manufacturing technology. After slicing and layering the three-dimensional digital model of the part through special software and obtaining the contour data of each section, a high-energy laser beam is used to selectively melt the metal powder layer by layer according to the contour data, and three-dimensional solid parts are manufactured by spreading the powder layer by layer, melting and solidifying and accumulating layer by layer.

[0003] like Figure 1 As shown, after the three-dimensional digital model of the part is sliced ​​and layered and introduced into the forming equipment, the horizontal scraper first evenly spreads a thin layer of metal powder on the substrate, and the high-energy laser beam selectively melts the powder on the substrate according to the data information of the current layer of the three-dimensional digital model to form the shape of the current layer of the part. Then the horizontal scraper spreads another layer of metal powder on the processed layer, and the high-energy beam laser selectively melts according to the data information of the next layer of the digital model. This cycle is repeated until the entire part is manufactured. In order to facilitate the removal of the workpiece after sintering, the surface of the substrate needs to be smooth to facilitate the separation of the finished workpiece.

[0004] With respect to the above-mentioned related technologies, the applicant has found that in order to prevent the substrate from being displaced due to external factors such as vibration during the sintering process, the substrate is generally set to a metal material so that the substrate can be firmly fixed on the forming cylinder system by means of magnetic attraction or the like. Therefore, the overall weight of the substrate is heavy. Because the surface of the substrate is smooth, when the staff takes out the workpiece together with the substrate, there is a lack of sufficient force points, which makes the removal of the substrate involve greater risks, and therefore needs to be improved. Summary of the invention

[0005] In order to improve the problem of major hidden dangers when taking out the substrate, the present application provides a sampling tool for a selective laser melting device.

[0006] The present application provides a sampling tool for selective laser melting equipment that adopts the following technical solution:

[0007] A sampling tool for selective laser melting equipment includes a side bracket and a connecting rod. The side bracket is provided with two pieces. The two side brackets are respectively arranged on the left and right sides of a base plate. The lower ends of the two side brackets are provided with connecting pieces that are detachably connected to the side surfaces of the base plate. The connecting rod is arranged between the upper ends of the two side brackets, and the two ends of the connecting rod are respectively detachably connected to the two side brackets.

[0008] By adopting the above technical solution, when it is necessary to take out the substrate, it is only necessary to use the connecting parts to connect the side bracket to the side of the substrate, and then connect the connecting rod to the upper ends of the two side brackets respectively. Finally, the staff can hold the connecting rod and apply force upward to lift the substrate. The connecting rod allows the staff to apply indirect force to the substrate by holding, supporting, etc., so that it is convenient for the staff to take out the substrate. The structure is simple, the cost is low, and it is easy to implement.

[0009] Preferably, each of the connecting members is an insertion rod arranged on one side of the two brackets arranged facing each other, and the two opposite side surfaces of the base plate are provided with insertion holes for inserting each of the insertion rods.

[0010] By adopting the above technical solution and utilizing the cooperation between the insertion rod and the insertion hole, a detachable connection between the connector and the side of the substrate can be simply and quickly achieved.

[0011] Preferably, one end of the insertion rod close to the side bracket is detachably connected to the side bracket by means of a threaded connection.

[0012] By adopting the above technical solution, a plurality of threaded holes can be set on the side of the side bracket, and the position and number of the insertion rods can be adjusted according to the width of the substrate to ensure a stable connection between the side bracket and the substrate.

[0013] Preferably, a first clamping groove is provided on both side brackets, and a first installation groove is also provided on both side brackets, the width of the first clamping groove is greater than the width of the first installation groove, the upper and lower ends of the first installation groove are respectively connected to the upper surface of the side bracket and the upper end of the first clamping groove, and the thickness of the connecting rod is slightly smaller than the width of the first installation groove.

[0014] By adopting the above technical solution, the first clamping groove and the first installation groove cooperate with the end of the connecting rod, so that the connecting rod can be clamped with the upper end of the side bracket by penetration and rotation, which has a simple structure and is easy to implement.

[0015] Preferably, the two first clamping grooves are respectively arranged on the opposite sides of the two side brackets, the side of the first installation groove facing the center of the connecting rod is connected with the side of the side bracket close to the center of the connecting rod, and the end of the connecting rod is provided with a first annular groove which circles the connecting rod, and the first annular groove can be embedded in the first installation groove.

[0016] By adopting the above technical solution, the first clamping groove is arranged on the side of the side bracket away from the center of the connecting rod, and the first installation groove is connected with the side of the side bracket close to the center of the connecting rod, so that the first annular groove can be clamped with the first clamping groove, so that the connecting rod can limit the distance between the upper ends of the two side brackets.

[0017] Preferably, the side bracket includes at least one upper cross bar, a first limiting groove is provided on the upper cross bar, the first limiting groove is connected to the lower side of the upper cross bar, and a second limiting groove is provided at the end of the connecting rod for snap-fitting with the first limiting groove, and the second limiting groove is connected to the upper side of the connecting rod.

[0018] By adopting the above technical solution, the detachable connection between the connecting rod and the side bracket can be quickly achieved by utilizing the cooperation between the first limiting groove arranged on the upper cross bar and the second limiting groove arranged on the connecting rod, and the structure is simple and easy to implement.

[0019] Preferably, the connecting rod comprises a first inner rod and a first outer rod, and one end of the first inner rod is inserted into the first outer rod.

[0020] By adopting the above technical solution and utilizing the cooperation between the first outer rod and the first inner rod, the length of the connecting rod can be adjusted according to the actual size of the substrate, so that the sampling tool can be suitable for substrates of different sizes.

[0021] Preferably, at least two connecting rods are provided, and the two connecting rods are respectively provided on the two ends of the side bracket. When the tooling is installed on the base plate, the two connecting rods are respectively located on the front and rear sides of the base plate.

[0022] By adopting the above technical solution, when the substrate needs to be taken out, the worker supports the connecting rod close to the laser selective melting forming outlet with the part close to the shoulder joint, and supports the connecting rod away from the laser selective melting forming outlet with the palm, so that the worker can fully support the substrate and the force is mainly concentrated on the arm close to the shoulder joint, so that the worker can take out the substrate more easily.

[0023] Preferably, a protrusion is provided on one side of the two side brackets that are arranged facing each other, and each of the connecting members is respectively arranged on each protrusion.

[0024] By adopting the above technical solution, the protrusions can be used for installation of the connector, and at the same time the side bracket will not come into contact with the substrate, effectively ensuring that the side of the substrate will not be damaged due to friction.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] When removing substrates and workpieces, workers can have enough force points to effectively ensure the safety of removing substrates;

[0027] The contact position with the substrate can be adjusted according to the size of the substrate, which is suitable for substrates of various sizes and has a wider range of applications;

[0028] The sampling tool can be disassembled when not in use, which does not take up too much space and is easy to transport, assemble and store;

[0029] The force application point can be concentrated on the worker's arm, so that the force application requirement of the worker's palm is small and the use is safer;

[0030] The force can be applied evenly to the four corners of the sample, making the movement of the substrate very stable and preventing the workpiece from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a working schematic diagram of laser selective melting forming in the related technology;

[0032] Figure 2 It is a front view of the sampling tool of the first embodiment of the present application when it has four protrusions;

[0033] Figure 3 This is a front view of the sampling tool and the substrate in the first embodiment of the present application;

[0034] Figure 4 It is a front view of the sampling tool of the first embodiment of the present application when it has two protrusions;

[0035] Figure 5 yes Figure 4 A local enlarged schematic diagram;

[0036] Figure 6 yes Figure 4 B is a partial enlarged schematic diagram;

[0037] Figure 7 is a front view of a substrate in an embodiment of the present application;

[0038] Figure 8 It is a front view of the sampling tool of the second embodiment of the present application;

[0039] Fig. 9 yes Figure 8 A local enlarged schematic diagram of C;

[0040] Fig.10 It is a front view of the sampling tool of the third embodiment of the present application;

[0041] Fig.11 yes Fig.10 A local enlarged schematic diagram of D;

[0042] Fig.12 It is a front view of the sampling tool of the fourth embodiment of the present application;

[0043] Fig.13 It is a front view of the sampling tool of the fifth embodiment of the present application;

[0044] Fig.14 yes Fig.13 E is a partial enlarged schematic diagram.

[0045] Figure numerals: 1, base plate; 11, socket; 2, side bracket; 21, upper cross bar; 211, first limiting groove; 22, lower cross bar; 23, longitudinal bar; 231, second inner rod; 232, second outer rod; 233, gear hole; 234, positioning pin; 24, bump; 3, connecting rod; 31, first annular groove; 32, second annular groove; 33, second limiting groove; 34, first inner rod; 341, plug-in portion; 35, first outer rod; 4, connecting piece; 5, first clamping groove; 51, first mounting groove; 6, second clamping groove; 61, second mounting groove. DETAILED DESCRIPTION

[0046] The following is combined with Figure 1-14 This application is described in further detail.

[0047] The present application embodiment discloses a sampling tool for a selective laser melting device, referring to Figure 2 and Figure 3 , including a side bracket 2, a connecting rod 3 and a connecting piece 4; wherein, two side brackets 2 are provided, and the two side brackets 2 are respectively provided on the left and right sides of the base plate 1, at least one connecting rod 3 is provided, and both ends of each connecting rod 3 are respectively detachably connected to the upper ends of the two side brackets 2, and a plurality of connecting pieces 4 are provided, and each connecting piece 4 is evenly distributed on one side of the two side brackets 2 that are provided facing each other.

[0048] Embodiment 1:

[0049] Reference Figure 4 The side bracket 2 includes an upper cross bar 21, a lower cross bar 22 and a longitudinal bar 23. The upper cross bar 21 and the lower cross bar 22 are arranged in parallel with each other, and the upper cross bar 21 and the lower cross bar 22 are arranged in an up-and-down position relationship. At least one longitudinal bar 23 is provided, and the upper and lower ends of each longitudinal bar 23 are respectively connected to the upper cross bar 21 and the lower cross bar 22; wherein, a plurality of protrusions 24 are provided on the lower side and on the side facing each other of the two side brackets 2, and each connecting member 4 is respectively provided on the side of each protrusion 24 away from the side bracket 2.

[0050] Reference Figure 5A first clamping groove 5 is provided at the upper end of each side bracket 2, and the first clamping groove 5 is provided on the side of the side bracket 2 away from the protrusion 24. A first installation groove 51 is also provided at the upper end of each side bracket 2, and the upper and lower ends of the first installation groove 51 are respectively connected with the upper side surface of the side bracket 2 and the upper end of the first installation groove 51, and the first installation groove 51 is also connected with the side of the side bracket 2 provided with the protrusion 24; wherein, the width of the first installation groove 51 is slightly larger than the thickness of the connecting rod 3, and the width of the first installation groove 51 is smaller than the width of the connecting rod 3, the width of the first clamping groove 5 is slightly larger than the width of the connecting rod 3, and a first annular groove 31 is provided at the end of the connecting rod 3, the width of the first annular groove 31 is set to be the same as the distance between the first clamping groove 5 and a side surface of the side bracket 2 close to the center of the connecting rod 3, and the annular groove can be embedded in the first installation groove 51.

[0051] Among them, the cross-section of the lower end of the first clamping groove 5 is semicircular, and the inner diameter of the lower end of the first clamping groove 5 is slightly larger than the width of the connecting rod 3, and the upper end of the first clamping groove 5 is planar. By setting the upper end of the first clamping groove 5 into a plane, the contact area between the first clamping groove 5 and the connecting rod 3 can be increased.

[0052] Among them, the drawings of this specification specifically disclose a structural schematic diagram when the first clamping groove 5 and the first installation groove 51 are arranged at the upper end of the longitudinal rod 23, but in fact, the first clamping groove 5 and the first installation groove 51 can also be arranged on the upper side of the upper cross bar 21.

[0053] Reference Figure 6 and Figure 7 A threaded hole is provided on the side of each protrusion 24 away from the side bracket 2, each connecting member 4 is configured as an insertion rod, and one end of the insertion rod is threadedly connected to the threaded hole, and a plurality of insertion holes 11 are also provided on the side of the substrate 1 close to the side bracket 2, and one end of each insertion rod extending out of the protrusion 24 is respectively inserted into each insertion hole 11.

[0054] Among them, refer to Figure 2 and Figure 5 The number of protrusions 24 set on the same bracket is at least two. In the present technical solution, drawings are specifically disclosed when the number of protrusions 24 is 2 and 4 respectively.

[0055] The implementation principle of Example 1 is:

[0056] When it is necessary to take out the substrate 1 and the workpiece, it is only necessary to install the two side brackets 2 on the left and right sides of the base respectively, and make each insertion rod be inserted into each insertion hole 11 set on the substrate 1, and then the width direction of the connecting rod 3 is upward, and then the two ends of the insertion rod are respectively inserted into the first clamping groove 5 through the first installation groove 51, and finally the connecting rod 3 is rotated so that both ends of the connecting rod 3 can be clamped with the first clamping groove 5, so that the connecting rod 3 can be fixed with the side bracket 2 as a whole. At this time, the connecting rod 3, the side bracket 2 and the substrate 1 will be connected as a whole, and finally the staff can hold up the connecting rod 3 to take out the substrate 1.

[0057] Embodiment 2:

[0058] Reference Figure 8 and Fig. 9 The difference between this embodiment and embodiment 1 is that a second clamping groove 6 is provided on the opposite side of the two side brackets 2, and a second installation groove 61 is provided on the opposite side of the two side brackets 2; wherein, the second clamping groove 6 is connected to the second installation groove 61, the width of the second installation groove 61 is slightly larger than the thickness of the connecting rod 3, the width of the second installation groove 61 is smaller than the width of the connecting rod 3, and the depth of the second installation groove 61 is slightly larger than the width of the connecting rod 3, the width of the second clamping groove 6 is slightly larger than the width of the clamping groove, and a second annular groove 32 is provided at the end of the connecting rod 3, the width of the second annular groove 32 is set to be the same as the distance between the second clamping groove 6 and a side surface of the side bracket 2 close to the center of the connecting rod 3, and the second annular groove 32 can be embedded in the second installation groove 61.

[0059] The implementation principle of Example 2 is:

[0060] When it is necessary to fix the connecting rod 3 and the side bracket 2 as a whole, it is only necessary to pass the two ends of the connecting rod 3 through the two second mounting grooves 61 respectively, and make the second annular grooves 32 at both ends of the connecting rod 3 correspond to the two second mounting grooves 61 respectively. At this time, the end of the connecting rod 3 will be in the second clamping groove 6, and then the connecting rod 3 is rotated so that the width direction of the connecting rod 3 is set horizontally, so that the connecting rod 3 and the side bracket 2 can be clamped together.

[0061] Embodiment 3:

[0062] Reference Fig.10 and Fig.11 The difference between this embodiment and embodiment 1 is that a first limiting groove 211 is provided on each upper cross bar 21, the lower end of the first limiting groove 211 is connected to the lower side surface of the upper cross bar 21, and the width of the first limiting groove 211 is the same as the thickness of the upper cross bar 21, and a second limiting groove 33 is provided at the end of the connecting rod 3, the upper end of the second limiting groove 33 is connected to the upper side surface of the connecting rod 3, and the width of the second limiting groove 33 is set to be the same as the thickness of the upper cross bar 21; wherein, the first limiting groove 211 and the second limiting groove 33 can be engaged with each other.

[0063] The implementation principle of Example 3 is:

[0064] When it is necessary to fix the connecting rod 3 and the side bracket 2 as a whole, it is only necessary to place the two ends of the connecting rod 3 under the two upper cross bars 21 respectively, and make the second limiting grooves 33 arranged on the connecting rod 3 respectively connect with the two first limiting grooves 211 corresponding to the positions, and finally move the connecting rod 3 upward so that each first limiting groove 211 and each second limiting groove 33 are engaged with each other to achieve a fixed connection between the connecting rod 3 and the side bracket 2.

[0065] Embodiment 4:

[0066] Reference Fig.12 The difference between this embodiment and embodiment 1 is that each connecting rod 3 includes a first outer rod 35 and a first inner rod 34, one end of the first inner rod 34 is inserted into the first outer rod 35, the end of the first outer rod 35 close to the first inner rod 34 is hollow, and the end of the first outer rod 35 away from the first inner rod 34 is solid; wherein, the end of the first inner rod 34 that cooperates with the first outer rod 35 is provided with a plug-in portion 341, and the first inner rod 34 realizes a detachable connection between the first inner rod 34 and the first outer rod 35 by inserting the plug-in portion 341 into the first outer rod 35.

[0067] Among them, when the first outer rod 35 and the first inner rod 34 are combined together, a gap will appear between the first outer rod 35 and the first inner rod 34. At this time, the gap between the first outer rod 35 and the first inner rod 34 can be wrapped with cloth to ensure that the staff's hands will not be clamped by the first outer rod 35 and the first inner rod 34 when they hold the connecting rod 3.

[0068] The implementation principle of Example 4 is:

[0069] When the distance between the left and right sides of the base plate 1 changes, the staff can adjust the distance between the first inner rod 34 and the first outer rod 35 according to the actual size of the base plate 1, so as to adjust the actual length of the connecting rod 3, so that the two ends of the connecting rod 3 can be detachably connected to the upper ends of the two side brackets 2 respectively, and finally wrap the connecting part of the first outer rod 35 and the first inner rod 34 with cloth.

[0070] Embodiment 5:

[0071] Reference Fig.13 and Fig.14The difference between this embodiment and embodiment 1 is that each longitudinal rod 23 includes a second outer rod 232 and a second inner rod 231, and the end of the second inner rod 231 close to the second outer rod 232 is inserted into the second outer rod 232; wherein a positioning pin 234 is inserted into the second outer rod 232, and a plurality of gear holes 233 are provided on the second inner rod 231, each gear hole 233 is provided along the length direction of the second inner rod 231, and the positioning pin 234 passes through the gear hole 233; wherein the ends of the second outer rod 232 and the second inner rod 231 that are away from each other are fixed to the upper cross bar 21 and the lower cross bar 22 respectively.

[0072] The implementation principle of Example 5 is:

[0073] When the height of the workpiece is relatively high, in order to prevent the connecting rod 3 or the staff's arm from touching the workpiece, the staff can adjust the spacing between the second inner rod 231 inserted in the second outer rod 232 according to the actual height of the workpiece, and then use the cooperation between the positioning pin 234 and the gear hole 233 to limit the actual height of the longitudinal rod 23, thereby achieving the effect of adjusting the actual length of the longitudinal rod 23, so that the height of the two upper cross bars 21 can be higher than the height of the workpiece.

[0074] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sampling tool for selective laser melting equipment, characterized in that: The invention comprises a side bracket (2) and a connecting rod (3), wherein the side bracket (2) is provided with two pieces, the two side brackets (2) are respectively provided on the left and right sides of the base plate (1), the lower ends of the two side brackets (2) are provided with connecting pieces (4) which are detachably connected to the side of the base plate (1), the connecting rod (3) is provided between the upper ends of the two side brackets (2), and the two ends of the connecting rod (3) are respectively detachably connected to the two side brackets (2), the two side brackets (2) are provided with a first clamping groove (5), and the two side brackets (2) are also provided with a first installation groove (51), the width of the first clamping groove (5) is greater than the width of the first installation groove (51), the upper and lower ends of the first installation groove (51) are respectively connected to the upper surface of the side bracket (2) and the upper end of the first clamping groove (5), and the connecting rod (3) is provided between the upper ends of the two side brackets (2) and the upper end of the first clamping groove (5). The thickness of the rod (3) is slightly smaller than the width of the first mounting groove (51); each of the connecting members (4) is an insertion rod arranged on one side of the two brackets facing each other; the two opposite side surfaces of the base plate (1) are provided with insertion holes (11) for inserting each of the insertion rods; one end of the insertion rod close to the side bracket (2) is detachably connected to the side bracket (2) by means of a threaded connection; the two first clamping grooves (5) are respectively arranged on the opposite sides of the two side brackets (2); the side of the first mounting groove (51) facing the center of the connecting rod (3) is connected to the side of the side bracket (2) close to the center of the connecting rod (3); the end of the connecting rod (3) is provided with a first annular groove (31) surrounding the connecting rod (3); the first annular groove (31) can be embedded in the first mounting groove (51).

2. The sampling tool for selective laser melting equipment according to claim 1, characterized in that: The connecting rod (3) comprises a first inner rod (34) and a first outer rod (35), and one end of the first inner rod (34) is inserted into the first outer rod (35).

3. The sampling tool for selective laser melting equipment according to claim 1, characterized in that: At least two connecting rods (3) are provided, and the two connecting rods (3) are respectively provided on the two ends of the side bracket (2); when the tooling is installed on the base plate (1), the two connecting rods (3) are respectively located on the front and rear sides of the base plate (1).

4. The sampling tool for selective laser melting equipment according to claim 1, characterized in that: A protrusion (24) is provided on one side of the two side brackets (2) that are arranged facing each other, and each of the connecting members (4) is respectively arranged on each of the protrusions (24).

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