CN215921291U

CN215921291U - Five 3D printers

Info

Publication number: CN215921291U
Application number: CN202121808430.8U
Authority: CN
Inventors: 王海军; 王乾
Original assignee: Tianjin Bosheng Rui Chong Technology Co ltd
Current assignee: Tianjin Bosheng Rui Chong Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-03-01
Anticipated expiration: 2031-08-04

Abstract

The utility model provides a five-axis 3D printer, which belongs to the field of 3D printers and comprises a support, a hexagonal platform, an A shaft seat, a B shaft seat and a heating bottom plate, wherein the hexagonal platform is arranged on the support in a lifting manner through a moving mechanism, the support comprises a support rod, the moving mechanism comprises a slide rail, a slide block and a connecting rod, the slide rail is arranged on the inner side of the support rod, the slide block is arranged on the slide rail in a sliding manner, one end of the connecting rod is hinged with the slide block, the other end of the connecting rod is hinged with the hexagonal platform, a printing spray head is arranged on the hexagonal platform, a base is arranged below the printing spray head, the A shaft seat is rotatably arranged in the base through a first rotating shaft, the B shaft seat is rotatably arranged in the A shaft seat through a second rotating shaft, the heating bottom plate is arranged on the B shaft seat, and the first rotating shaft is perpendicular to the second rotating shaft. The utility model has the advantages of compact structure, improved space utilization rate, smooth surface and no steps on the surface of the printed product, ensured printing effect, avoided material waste and improved printing efficiency.

Description

Five 3D printers

Technical Field

The utility model belongs to the field of 3D printers, and particularly relates to a five-axis 3D printer.

Background

The 3D printer appears in the nineties of the twentieth century at first, is greatly developed in the twenty-first century, is different from other machining technologies, does not need any cutter, is a machining means for additive manufacturing, does not need high technical requirements, can quickly manufacture needed parts, and greatly shortens the time cost for manufacturing.

At present, most of 3D printers with three shafts on the market print a layer on a platform through the movement of XY shafts, and print a workpiece layer by layer in an accumulated mode through the movement of Z shafts, and when a part with a small included angle between the side face and the horizontal plane is printed in the printing mode, a support needs to be added or a printed part has a step effect.

In the five-axis 3D printer researched in the prior art, the XYZ movement and AB turnover of a part of the five-axis 3D printer are realized by adopting a Stewart parallel mechanism, so that the space utilization rate of the printer in the Z-axis direction is low. The XYZ movement is realized by adopting a gantry type, the AB shaft of the XYZ movement rotates by adopting a Stewart parallel mechanism, the motion inertia is large, the printing speed is low, and the surface of a printed workpiece is rough. And a Stewart parallel mechanism is adopted for XYZ movement, the rotation of the two shafts adopts rotation along an X axis and a Z axis, and the rotation along the Z axis can cause the lead of the bottom plate hot bed to frequently rotate, so that the lead is easy to age.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a five-axis 3D printer which is compact in structure, improves the space utilization rate, ensures the printing effect, avoids material waste and improves the printing efficiency, and the surface of a printed product is free of steps and smooth.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a five 3D printers, includes support, hexagonal platform, A axle bed, B axle bed and heating bottom plate, hexagonal platform passes through moving mechanism liftable and sets up on the support, moving mechanism includes connecting rod, slide rail and slider, the support includes the cradling piece, the slide rail sets up the inboard of cradling piece, the slider slides and sets up on the slide rail, the one end of connecting rod with the slider is articulated mutually, the other end of connecting rod with hexagonal platform is articulated mutually be provided with the printing shower nozzle on the hexagonal platform, the rotatable setting of A axle bed is in the below of printing the shower nozzle, the rotatable setting of B axle bed is in the A axle bed, the heating bottom plate sets up on the B axle bed. The structure of the printing nozzle is compact, the printing nozzle can move in the Z-axis direction through the moving mechanism, and the X-axis direction and the Y-axis direction can rotate through the rotation of the A-axis seat and the B-axis seat.

Furthermore, a base is arranged in the support, first rotating shafts are arranged at two ends of the A shaft seat, and the A shaft seat is rotatably arranged in the base through the first rotating shafts. The printing nozzle can move along the X-axis direction.

Furthermore, a bottom frame is arranged in the shaft seat A, the bottom frame is parallel to the first rotating shaft, and the shaft seat B is rotatably arranged in the bottom frame through a second rotating shaft. The printing nozzle can move along the Y-axis direction.

Furthermore, the arrangement direction of the first rotating shaft is perpendicular to the arrangement direction of the second rotating shaft. The space is saved, and the occupied area of the equipment is small.

Furthermore, a driving motor A is arranged in the base, a gear A is arranged at the output end of the driving motor A, and a first semicircular rack meshed with the gear A is arranged on the outer side of the shaft seat A. The A shaft seat is driven to rotate by the A driving motor.

Furthermore, a B driving motor is arranged in the A shaft seat, a B gear is arranged at the output end of the B driving motor, and a second semicircular rack meshed with the B gear is arranged on the outer side of the B shaft seat. The B shaft seat is driven to rotate by the B driving motor.

Furthermore, the number of the connecting rods is two, and the connecting rods are respectively arranged on two sides of the sliding block. The stability is enhanced.

Furthermore, the support rods and the moving mechanism are at least three. The stable lifting of the printing nozzle is ensured.

The utility model has the advantages and positive effects that:

1. by adopting the technical scheme, the printing nozzle can stably move in the Z-axis direction through the arrangement of the moving mechanism, and the movement of the printing nozzle in the X-axis direction and the Y-axis direction is realized through the rotation of the A-axis seat and the B-axis seat. The printer has a compact structure, improves the space utilization rate of the printer, and can not cause wire winding and line aging by respectively driving the A shaft seat and the B shaft seat through the A driving motor and the B driving motor.

2. Through the cooperation of XYZ axle, the position of guaranteeing to be printing is unsettled constantly perpendicular to the horizontal plane with the line of the point that corresponds of its next layer of printing point, when printing complicated part, also need not to add the support, can not produce the step effect, improves and prints efficiency.

Drawings

FIG. 1 is a block diagram of the moving mechanism of the present invention;

FIG. 2 is a block diagram of the present invention;

FIG. 3 is a perspective view of an A, B axle seat of the present invention;

FIG. 4 is a structural view of the B-axis seat of the present invention.

In the figure:

1. a support; 101. a support rod; 2. a slide rail; 21. a slider; 3. a connecting rod; 4. a hexagonal platform; 5. printing a spray head; 6. a shaft seat; 61. a first semicircular rack; 62. a first rotating shaft; 7. a base; 8. a driving motor; 81. a gear; 9. a shaft B seat; 91. a second semicircular rack; 92. a second rotating shaft; 10. Heating the soleplate; 11. a chassis; 12. b, driving a motor; 121. and B, a gear.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1 to 4, this embodiment provides a five-axis 3D printer, which includes a support 1, a hexagonal platform 4, a heating base plate 10, an a-axis seat 6, and a B-axis seat 9, where the support 1 includes a support rod 101, the hexagonal platform 4 is disposed on the support 1 in a liftable manner by a moving mechanism, the moving mechanism includes a connecting rod 3, a sliding rail 2, and a sliding block 21, the sliding rail 2 is disposed on an inner side of the support rod 101, the sliding block 21 is slidably disposed on the sliding rail 2, one end of the connecting rod 3 is hinged to the sliding block, the other end is hinged to the hexagonal platform 4, two connecting rods 3 are disposed on two sides of the sliding block 21, the number of the support rods 101 is the same as that of the moving mechanism, the number of the support rods 101 and the number of the moving mechanism are at least three, in this embodiment, three connecting rods 3 are disposed on the hexagonal platform 4 in an equidistant manner, and three sliding mechanisms are respectively matched with the three support rods 101, the hexagonal platform 4 is provided with the printing nozzle 5, the slide block 21 is driven by the driving motor to move the slide block 21 up and down along the slide rail 2, and the printing nozzle 5 is stably lifted through the moving mechanism to realize the movement of the Z axis.

Be provided with base 7 in support 1, base 7 is located the below of printing shower nozzle 5, both ends at the A axle bed all are provided with first pivot 62, A axle bed 6 rotates through the first pivot 62 at both ends and sets up on base 7, be provided with A driving motor 8 in base 7, output at A driving motor 8 is provided with A gear 81, be equipped with the first semicircular rack 61 with A gear 81 engaged with in the outside of A axle bed 6, it rotates to drive A axle bed 6 through A driving motor 8, the messenger prints shower nozzle 5 and realizes the rotation of X axle.

Be provided with chassis 11 in A axle bed 6, the direction that sets up of chassis 11 is parallel with first pivot 62, B axle bed 9 rotates through second pivot 92 and sets up on chassis 11, the direction that sets up of second pivot 92 is perpendicular with the direction that sets up of first pivot 62, heating bottom plate 10 sets up the top at B axle bed 9, heating bottom plate 10 is located the below of printing shower nozzle 5, be provided with B driving motor 12 in A axle 6, be provided with B gear 121 at the output of B driving motor 12, be equipped with the second semicircular rack 91 with B gear 121 looks meshing in the outside of B axle bed 9, drive the rotation of B axle bed 9 through B driving motor 12, the direction of rotation of B axle bed 9 is perpendicular with the direction of rotation of A axle bed 6, make printing shower nozzle 5 realize the rotation of Y axle.

The working process of the example is as follows:

the driving motor drives the sliding block 21 to move up and down along the sliding rail 2, and the sliding block 21 drives the hexagonal platform 4 through the connecting rod 3, so that the printing nozzle can move along the Z axis.

The a driving motor 8 drives the a gear 81 to be meshed with the first semicircular rack 61, so that the a shaft seat 6 rotates in the X-axis direction, and the B driving motor 12 drives the B gear 121 to be meshed with the second semicircular rack 91, so that the B shaft seat 9 rotates in the Y-axis direction.

The utility model has the beneficial effects that:

the printing nozzle 5 can move along the Z-axis direction through the up-and-down regular movement of the three sliding blocks, and the printing nozzle 5 can move along the XY-axis direction through the deflection of the A-axis seat and the B-axis seat 9.

The utility model constantly ensures that the connecting line of one point of a printed piece and the corresponding point of the next layer is vertical to the horizontal plane, ensures that the printing position is not suspended, can realize no need of adding support when printing complex parts, has no step effect and ensures high-efficiency printing.

The B shaft seat 9 is rotatably arranged on the A shaft seat 6, so that the structure is compact, the occupied space is small, and the space utilization rate of the five-axis 3D printer is improved. The rotation of the X shaft and the Y shaft is driven by the motor, so that the wire is prevented from being wound, and the problem that a circuit is easy to age is solved.

While one or more embodiments of the present invention have been described in detail, the description is in the nature of preferred embodiments of the utility model and is not intended to limit the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The five-axis 3D printer is characterized by comprising a support (1), a hexagonal platform (4), an A shaft seat (6), a B shaft seat (9) and a heating bottom plate (10), wherein the hexagonal platform (4) is arranged on the support (1) in a lifting manner through a moving mechanism, the moving mechanism comprises a connecting rod (3), a sliding rail (2) and a sliding block (21), the support (1) comprises a support rod (101), the sliding rail (2) is arranged on the inner side of the support rod (101), the sliding block (21) is arranged on the sliding rail (2) in a sliding manner, one end of the connecting rod (3) is hinged to the sliding block (21), the other end of the connecting rod (3) is hinged to the hexagonal platform (4), a printing spray head (5) is arranged on the hexagonal platform (4), the A shaft seat (6) is rotatably arranged below the printing spray head (5), the B shaft seat (9) is rotatably arranged in the A shaft seat (6), and the heating bottom plate (10) is arranged on the B shaft seat (9).

2. The five-axis 3D printer according to claim 1, wherein: a base (7) is arranged in the support (1), first rotating shafts (62) are arranged at two ends of the A shaft seat (6), and the A shaft seat (6) is rotatably arranged in the base (7) through the first rotating shafts (62).

3. The five-axis 3D printer according to claim 2, wherein: an underframe (11) is arranged in the A shaft seat (6), the underframe (11) is parallel to the first rotating shaft (62), and the B shaft seat (9) is rotatably arranged in the underframe (11) through a second rotating shaft (92).

4. The five-axis 3D printer according to claim 3, wherein: the arrangement direction of the first rotating shaft (62) is perpendicular to the arrangement direction of the second rotating shaft (92).

5. The five-axis 3D printer according to claim 2, wherein: a driving motor A (8) is arranged in the base (7), a gear A (81) is arranged at the output end of the driving motor A (8), and a first semicircular rack (61) meshed with the gear A (81) is arranged on the outer side of the shaft seat A (6).

6. The five-axis 3D printer according to claim 1, wherein: a driving motor B (12) is arranged in the shaft seat A (6), a gear B (121) is arranged at the output end of the driving motor B (12), and a second semicircular rack (91) meshed with the gear B (121) is arranged on the outer side of the shaft seat B (9).

7. The five-axis 3D printer according to claim 1, wherein: the number of the support rods (101) and the number of the moving mechanisms are at least three.