Sand mold 3D printing equipment base

Abstract

The utility model belongs to the technical field of sand mold 3D printing, and discloses a sand mold 3D printing equipment machine base which comprises a lower machine base, one end of the lower machine base is connected with a leveling assembly, the end, away from the lower machine base, of the leveling assembly is connected with a bearing part, the end, away from the leveling assembly, of the bearing part is connected with a machine body, and the machine body is connected with the leveling assembly. The bearing part is made of a metal material and is used for supporting and fixing a machine body of the sand mold 3D printing equipment; the material of the lower machine base is replaced by the reinforced concrete structure from a metal structure, the bearing part used for supporting the sliding rail is replaced by the casting, and the supporting strength of the lower machine base and the bearing part to the machine body is improved in the form of the reinforced concrete and the casting; and meanwhile, the possibility that the lower machine base and the bearing part deform under the influence of stress during use is effectively reduced, and the production cost is reduced while the printing precision of the sand mold 3D printing equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sand mould 3D printing technical field, specifically a sand mould 3D printing equipment bed. BACKGROUND

[0002] The lower bed of equipment manufacturing industry machine tool is completed by using foundry, metal welding, aluminum alloy profile erection and through the form of finish machining, and when the giant sand mould 3D printer is used, the body height of 3D printer usually needs to be increased to meet the printing space required by printing, and because the length and width of the body are large, in order to improve the support stability of the body, the structure of casting, steel structure or steel structure plus aluminum alloy is used to make the bed, but the bed made by using the casting method is heavy and is not conducive to production, installation and transportation, and the cost is high.

[0003] The Chinese patent with the application number CN202020520156.3 discloses a Z-axis module of a light-curing 3D printing equipment, which comprises a base, a support, a driving mechanism and a supporting assembly; the support is fixedly installed on the base, the driving mechanism is arranged on the support, and the driving mechanism is used to drive the supporting assembly to move longitudinally; the base and the support are made of marble; the supporting assembly comprises a connecting strip and a bracket; the driving mechanism drives the connecting strip to move longitudinally, and the bracket is used to support a grid plate. The Z-axis module of the light-curing 3D printing equipment provided in the application is fixedly connected with the support and the base, and the driving mechanism is fixed on the support. Because the marble material used for the base and the support has the characteristics of high platform hardness, difficulty in deformation and stable performance, the mechanical properties of the support are stable, the entire Z-axis module is uniformly stressed during the longitudinal movement of the supporting assembly driven by the driving mechanism, the Z-axis module is not easy to be damaged, and the printing efficiency is improved. Although the above scheme uses marble material to stabilize the base of the printing equipment, the cost of the base made of marble material is high, and the weight of the base is large, which is not conducive to production and transportation.

[0004] In actual production and use, the surface of the body may be bent and deformed to different degrees due to the stress of the metal material itself and the influence of the temperature and humidity of the external environment, and the working platform may be uneven during operation, which affects the printing accuracy of the 3D printer, and the levelness of the working platform needs to be continuously calibrated, which affects the printing efficiency.

[0005] Therefore, in order to solve the above technical problems, the utility model provides a sand mould 3D printing equipment bed. UTILITY MODEL CONTENTS

[0006] The utility model discloses a sand mould 3D printing equipment machine base has the advantages of increasing printing accuracy, reducing production cost.

[0007] To realize above -mentioned purpose, the utility model provides following technical scheme: a sand mould 3D printing equipment machine base, including lower machine seat, one end of lower machine seat is connected with leveling assembly, and the leveling assembly is connected with the receiving part at one end away from lower machine seat, and the receiving part is connected with the body at one end away from leveling assembly;

[0008] The receiving part is composed of metal material, and the receiving part is used for supporting and fixing the body of the sand mould 3D printing equipment.

[0009] Preferably, the lower machine seat is composed of non-metallic material.

[0010] Preferably, the non-metallic material used by the lower machine seat includes reinforced concrete.

[0011] Preferably, the metal material used by the receiving part includes casting.

[0012] Preferably, the metal material used by the receiving part includes cast iron piece.

[0013] Preferably, the body includes a slide rail, and the slide rail is fixedly connected to the receiving part, and a connecting beam for supporting a printing assembly is slidably arranged on the slide rail.

[0014] Preferably, the leveling assembly includes a machine tool adjusting foot.

[0015] Preferably, the non-metallic material used by the lower machine seat includes a resin mixture.

[0016] Compared with the prior art, the utility model has the beneficial effects as follows:

[0017] The utility model replaces the metal structure of the lower machine seat with reinforced concrete structure, and replaces the receiving part for supporting the slide rail with casting, utilizes the form of reinforced concrete plus casting, improves the supporting strength of the lower machine seat and the receiving part on the body, effectively reduces the possibility of deformation of the lower machine seat and the receiving part under stress, improves the printing accuracy of the sand mould 3D printing equipment, and reduces the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model whole device;

[0019] Figure 2 It is the cross section structure schematic diagram of the utility model whole device;

[0020] Figure 3For Figure 1 Enlarged structural schematic view of part A.

[0021] BRIEF DESCRIPTION OF DRAWINGS: 1, lower base; 3, receiving part; 4, leveling assembly; 5, fuselage; 501, connecting beam; 502, slide rail. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Since the lower base of the existing sand mold 3D printing equipment is mainly composed of metal structure and aluminum alloy profile material, during use, due to the stress of the material itself, different degrees of bending deformation will occur, thereby affecting the movement trajectory of the fuselage during the printing process, causing the printing accuracy of the sand mold 3D printing equipment to decrease, and affecting the printing efficiency.

[0024] As Figure 1 - Figure 2 The utility model discloses a sand mold 3D printing equipment base, including lower base 1, and the whole of lower base 1 is composed of nonmetallic material, wherein the lower base 1 of nonmetallic material includes but is not limited to reinforced concrete pouring, resin pouring or other nonmetallic material forming higher hardness, and the lower base 1 can be realized pouring forming in the reserved installation area, reduce the cost of manufacture and installation of metal lower base 1, reduce the influence of metal stress on the printing accuracy of sand mold 3D printing equipment at the same time, one end of lower base 1 is connected with leveling assembly 4, and the end, away from lower base 1, of leveling assembly 4 is connected with receiving part 3, and leveling assembly 4 is mainly used for fixing the position of receiving part 3, to ensure that the position of receiving part 3 is stable during use.

[0025] Further, the end, away from leveling assembly 4, of receiving part 3 is connected with fuselage 5, wherein the fuselage 5 is used for carrying the printing assembly of the sand mold 3D printing equipment, to ensure that the printing assembly can meet the printing requirements of the sand mold.

[0026] Due to the error of the horizontal accuracy of the lower base 1 in the process of pouring and forming the lower base 1, the horizontal accuracy of the receiving part 3 is affected when the receiving part 3 is connected and fixed, and finally the horizontal accuracy of the fuselage 5 is affected, and the leveling assembly 4 is arranged between the lower base 1 and the receiving part 3, when the strength of the lower base 1 meets the installation requirement, the leveling assembly 4 is first fixed on the lower base 1 by screw connection, then the receiving part 3 is connected with the leveling assembly 4, the horizontal degree of the surface of the installed receiving part 3 is detected and the leveling assembly 4 is adjusted, so that the surface of the receiving part 3 is in a horizontal state, and the error will not interfere with the printing work of the sand mold 3D printing equipment.

[0027] In the utility model, the leveling assembly 4 is preferably a machine tool adjusting foot, and the horizontal degree of the plane of the receiving part 3 meets the use requirement.

[0028] If necessary, the leveling assembly 4 can be arranged as a telescopic rod in an electromagnetic telescopic form, the telescopic length change of the leveling assembly 4 is detected and controlled by electricity, and the inconvenience in the artificial leveling process is reduced.

[0029] It should be noted that during use, the side of the lower base 1 and the receiving part 3 opposite to each other can also be directly connected and fixed, and then the leveling function of the leveling assembly 4 to the receiving part 3 is removed, and the plane of the receiving part 3 away from the lower base 1 is further finished, so that the plane of the receiving part 3 meets the horizontal requirement of the fuselage 5.

[0030] Further, in order to reduce the bending deformation of the surface of the receiving part 3 caused by material stress during use, the receiving part 3 is formed of a casting, and only the receiving part 3 is arranged as a casting, which has low cost and reduces the stress concentration area on the receiving part 3, and the casting has good strength and hardness and is not easy to deform during use.

[0031] The casting material used by the receiving part 3 is preferably cast iron, which has low production cost and high strength and hardness, is suitable for bearing high load, has good shock absorption performance during use, can reduce the vibration influence of the fuselage 5 during work, and improves the printing accuracy of the sand mold 3D printing equipment.

[0032] As shown in FIG. Figure 3 Further, the fuselage 5 includes two slide rails 502, the two slide rails 502 are fixedly connected with the plane of the receiving part 3 and are arranged in parallel with each other, a connecting beam 501 is slidably arranged on the slide rail 502, and a printing assembly for the sand mold 3D printing equipment is connected to the connecting beam 501, when the plane of the receiving part 3 is in a horizontal state, the slide rail 502 can also be in a horizontal state after being connected with the surface of the receiving part 3, and the smooth movement of the connecting beam 501 is ensured.

[0033] In the process of installing the equipment in the utility model, the lower base 1 is formed by using the form of reinforced concrete pouring, after solidification, the leveling assembly 4 is arranged on the lower base 1, then the receiving part 3 is fixedly connected with the leveling assembly 4, the horizontal state of the plane of the receiving part 3 is adjusted through the leveling assembly 4, the horizontal degree of the receiving part 3 is ensured to meet the printing requirement, meanwhile, the connecting strength between the receiving part 3 and the leveling assembly 4 is ensured, then the fuselage 5 is fixedly connected with the receiving part 3, meanwhile, since the receiving part 3 is composed of a casting, it has good strength and hardness, and is not prone to deformation in use, the situation that the sand mold 3D printing equipment has errors in the printing process is reduced, and the printing precision and efficiency are improved.

[0034] That is, the material of the lower base 1 is replaced from a metal structure to a reinforced concrete structure, and the receiving part 3 for supporting the slide rail 502 is replaced by a casting, by using the form of reinforced concrete plus casting, the supporting strength of the lower base 1 and the receiving part 3 to the fuselage 5 is improved, meanwhile, the possibility that the lower base 1 and the receiving part 3 are deformed due to stress in use is effectively reduced, the printing precision of the sand mold 3D printing device in the printing process is improved, the production cost is reduced, the number of debugging and maintenance after installation and use is reduced, and the printing efficiency of the sand mold 3D printing device is improved.

[0035] It should be noted that in this document, the terms "comprise", "comprise", or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles or devices that include a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles or devices.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sand mould 3D printing plant base, comprising a lower base (1), characterised in that: One end of the lower base (1) is connected with a leveling assembly (4), one end of the leveling assembly (4) away from the lower base (1) is connected with a receiving part (3), one end of the receiving part (3) away from the leveling assembly (4) is connected with a fuselage (5). The receiving part (3) is composed of metal material, and the receiving part (3) is used for supporting and fixing the fuselage (5) of the sand mold 3D printing equipment.

2. A sand 3D printing device gantry according to claim 1, characterized in that: The lower base (1) is composed of non-metallic material.

3. A sand 3D printing device gantry according to claim 2, characterized in that: The non-metallic material used by the lower base (1) includes reinforced concrete.

4. The sand 3D printing device machine base of claim 2, wherein: The metal material used by the receiving part (3) includes castings.

5. A sand 3D printing device gantry according to claim 4, characterized in that: The metal material used by the receiving part (3) includes castings.

6. The sand 3D printing device machine base of claim 1, wherein: The fuselage (5) includes a slide rail (502), the slide rail (502) is fixedly connected to the receiving part (3), and a connecting beam (501) for supporting a printing assembly is slidably arranged on the slide rail (502).

7. The sand 3D printing device machine base of claim 1, wherein: The leveling assembly (4) includes a machine tool adjusting foot.

8. The sand 3D printing device machine base of claim 2, wherein: The non-metallic material used by the lower base (1) includes a resin mixture.

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