CN104647761A - Upper support structure for delta 3D printers - Google Patents

Abstract

The invention discloses an upper supporting structure of a delta 3D printer, which comprises an upper supporting seat connected to a supporting column, a wire feeding structure is arranged in the middle of the upper end surface of the upper supporting seat, and an upper threading hole arranged vertically is arranged on the upper supporting seat. The upper part of the support seat is connected with the printing material bracket, the upper part of the support column is provided with a horizontal support block, and the horizontal support block is provided with a right-angled third aluminum profile connector, the third aluminum profile connector is fixedly connected with the horizontal support block, and the third aluminum profile A fixed pin is arranged in the connecting hole of the connector, and a bearing is arranged at the other end of the fixed pin, and a driving belt is arranged on the outer ring of the bearing, and the driving belt is connected with the slider, and the slider cooperates with the slide rail on the support column, and the sliding The block is connected with the ball joint, and the ball joint is connected with the connecting rod of the printer head. The present invention has a compact structure, the main connecting member adopts a profile structure, has high strength and good rigidity, and is convenient to install and disassemble parts, and is widely applicable to small 3D printers.

Description

Delta 3D printer upper support structure

technical field

The invention relates to the technical field of 3D printers, in particular to an upper support structure of a delta 3D printer.

Background technique

In the prior art, the connection structure between the upper support structure of the 3D printer and the vertical column mostly adopts metal or plastic components. High strength, especially plastic components, due to low rigidity and strength, complex structure and easy deformation, after being subjected to frequent stress and vibration, it is easy to loosen and deform, and it is easy to age and malfunction after a long time. The vertical movement mechanism is connected, and the movement resistance after deformation is large, which increases the friction between the kinematic pairs, and also affects the accuracy of the movement of the vertical movement mechanism, thereby affecting the quality of the printed product, and even causing waste products, which increases the production cost. .

Contents of the invention

The purpose of the present invention is to solve the above-mentioned problems existing in the prior art, and to provide an upper support structure of a delta 3D printer; Easy to disassemble, widely applicable to small 3D printers.

The technical scheme that the present invention solves technical problem is:

An upper support structure of a delta 3D printer, comprising an upper support seat, the lower part of the upper support seat is connected to three evenly distributed support columns, a wire feeding structure is arranged in the middle of the upper end surface of the upper support seat, and a wire feeding structure is located close to the wire feeding structure The upper support base of the upper support base is provided with a vertical upper threading hole, the wire feeding structure includes a stepping motor, a motor bracket, the motor bracket is connected with the upper support base, the upper part of the upper support base is connected with the printing material support, and the upper part of the support column is provided with The horizontal support block is provided with a right-angled third aluminum profile connector near the middle of the horizontal support block. One right-angled side of the third aluminum profile connector is fixedly connected to the horizontal support block, and the other right-angled side of the third aluminum profile connector A fixed pin is provided in the connection hole of the fixed pin, and a bearing is provided at the other end of the fixed pin, and a drive belt is provided on the outer ring of the bearing. The drive belt is connected with the slider and drives the slider to move vertically. The sliding rail is matched, the slider is connected with the ball joint, and the ball joint is connected with the connecting rod of the printer head.

The horizontal support block is connected to the upper support base by bolts, the motor bracket is connected to the upper support base by bolts, and one right-angled side of the third aluminum profile connector is fixedly connected to the horizontal support block by nuts.

The support column and the horizontal support block adopt aluminum profile structure, the horizontal support block is connected with the support column through the profile connector with internal thread and the nut, and the nut is connected with the support column, and the fixed block of the travel limit switch is connected with the support through the nut and the profile connector. The column is connected, and the limit switch is connected with the lower part of the fixed block.

A material support block is provided on the upper surface of the printing material support, and the material support block is vertically connected with the printing material support, and a printing material positioning block is provided at the end of the material support block.

The printing material support and material support block are aluminum profile structures, and the printing material support and material support block are connected by right-angled first profile connectors with threaded holes and bolts.

The lower end of the printing material bracket is connected to the upper support frame through a second right-angle profile connector with threaded holes, the vertical connection surface of the second right-angle profile connector is connected to the printing material bracket through bolts and profile nuts, and the second profile connector The horizontal connecting surface is connected with the upper supporting frame by bolts.

The printing material support is located near one of the support columns, and two second right-angle profile connectors are arranged symmetrically, and the horizontal connection surface of one of the second right-angle profile connectors is connected to the upper support frame and the horizontal support block by bolts. Connected in sequence, the ends of the bolts engage the profile nuts in the grooves of the horizontal support blocks.

The upper supporting seat adopts a polygonal flat plate structure.

Beneficial effects of the present invention:

1. The present invention is compact in structure and small in volume, and the main connecting members adopt profile structure, which has high strength, good rigidity, low manufacturing cost, convenient installation and disassembly of parts, easy to carry and transport, and is widely applicable to small 3D printers.

2. The horizontal support block and the upper support seat, the motor bracket and the upper support seat are connected by bolts, the right-angled side of the third aluminum profile connector is fixedly connected with the horizontal support block by nuts, the support column and the horizontal support block are made of aluminum profile structure, and the horizontal The support block is connected to the support column through the profile connector with internal thread and the nut, and the nut is connected to the support column. The fixed block of the travel limit switch is connected to the support column through the nut and the profile connector. The limit switch is connected to the lower part of the fixed block. The aluminum profile structure The printing material bracket and the material support block are connected by the first right-angle profile connector and bolts, the lower end of the printing material bracket is connected with the upper support frame by the second right-angle profile connector, and the vertical connection surface of the second right-angle profile connector is connected by bolts, The profile nut is connected to the printing material support, and the horizontal connecting surface of the second profile connecting piece is connected to the upper support frame through bolts, which is reliable in fixing and convenient in disassembly and assembly.

3. The printing material support is located close to one of the support columns, and there are two second right-angle profile connectors symmetrically. The horizontal connection surface of one of the second right-angle profile connectors is connected to the upper support frame and horizontal support block through bolts. Sequential connection, the end of the bolt cooperates with the profile nut in the groove of the horizontal support block, and the same bolt and nut are used to connect and fix multiple components, reducing the number of connecting parts, reducing material costs, process operation costs and labor intensity , also improves work efficiency.

4. A material support block is provided on the upper surface of the printing material support, which is vertically connected to the printing material support, and a printing material positioning block is provided at the end of the material support block to make full use of the upper space of the printing material support.

5. The upper support seat adopts a polygonal flat structure, which is compact and beautiful, and takes up little space, especially suitable for manufacturing small delta 3D printers.

Description of drawings

Fig. 1 is the structural representation of invention;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is A-A sectional view of Fig. 1;

Fig. 4 is a schematic diagram of the overall structure of the present invention.

Detailed ways

In order to better understand the present invention, the implementation manner of the present invention will be explained in detail below in conjunction with the accompanying drawings.

As shown in Figures 1 to 4, an upper support structure of a Delta 3D printer includes an upper support base 1, the lower part of the upper support base 1 is connected to three evenly distributed support columns 19, and on the upper support base 1 There is a wire feeding structure in the middle of the end face, and an upper threading hole 30 is provided vertically on the upper supporting base 1 close to the wire feeding structure. The wire feeding structure includes a stepping motor 26 and a motor bracket 24. 25 connection, the upper part of the upper support seat 1 is connected with the printing material support 2. The upper part of the support column 19 is provided with a horizontal support block 11 , and the horizontal support block 11 is connected with the upper support seat 1 by bolts 33 .

The support column 19 and the horizontal support block 11 adopt an aluminum profile structure, and the horizontal support block 11 is connected to the support column 19 through a profile connector 22 with an internal thread and a nut 21, and a nut 23. At the same time, the travel limit switch 14 is fixed. The block 17 is also connected with the support column 19 through the nut 23 and the profile connector 22, and the limit switch 14 is connected with the lower part of the fixed block 17. The upper supporting seat adopts a polygonal flat plate structure.

A right-angled third aluminum profile connector 12 is provided near the middle of the horizontal support block 11. One right-angled side of the third aluminum profile connector 12 is fixedly connected to the horizontal support block 11 through a nut 15. The third aluminum profile connector 12 The connecting hole of another right angle side is provided with fixed pin 16, is provided with bearing 31 at the other end of fixed pin 16, is provided with driving belt 18 on the outer ring of bearing 31, and described driving belt is connected with slide block 13, drives slide. The block moves vertically, the slider cooperates with the slide rail on the supporting column, the slider is connected with the ball joint, and the ball joint is connected with the connecting rod of the printer head.

A material support block 3 is provided on the upper surface of the printing material support 2 , and the material support block 3 is vertically connected with the printing material support 2 , and a printing material positioning block 4 is provided at the end of the material support block 3 . The printing material support 2 and the material support block 3 are aluminum profile structures, and the printing material support 2 and the material support block 3 are connected by a right-angled first profile connector 5 with threaded holes and bolts 6, 7, wherein the first profile connection Part 5 is an internal thread. The lower end of the printing material support 2 is connected to the upper support frame 1 through a second right-angle profile connector 9 with threaded holes, and the vertical connection surface of the second right-angle profile connector 9 is connected to the printing material support 2 through bolts 8 and profile nuts 27. The horizontal connecting surface of the second profile connecting piece 9 is connected with the upper supporting frame 1 through bolts 10 .

The printing material support 2 is located close to one of the support columns 19, and two second right-angle profile connectors 9 are symmetrically provided, and the horizontal connection surface of one of the second right-angle profile connectors 9 is connected to the upper support by bolts 29. The frame 1 and the horizontal support block 11 are connected in sequence, and the end of the bolt 10 cooperates with the profile nut 28 in the groove of the horizontal support block 11.

Although the specific implementation of the invention has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the present invention. On the basis of the technical solution of the present invention, those skilled in the art can make various Modifications or variations are still within the protection scope of the present invention.

Claims (8)

1. a delta 3D printer upper support structure, it is characterized in that, comprise upper support seat, the bottom of described upper support seat is connected with the support column of three uniform settings, wire feed structure is provided with in the middle of the upper surface of upper support seat, vertically disposed top through wires hole is provided with at the upper support seat near wire feed structure, wire feed structure comprises stepper motor, electric machine support, electric machine support is connected with upper support seat, the top of upper support seat is connected with printed material support, described support column top is provided with horizontal support block, square the 3rd aluminium section connecting pieces is provided with near centre position at horizontal support block, a right-angle side of the 3rd aluminium section connecting pieces is fixedly connected with horizontal support block, steady pin is provided with in the connecting hole of another right-angle side of the 3rd aluminium section connecting pieces, bearing is provided with at the other end of steady pin, bearing outer ring is provided with driving belt, described driving belt is connected with slide block, the vertically movement of band movable slider, slide block coordinates with the slide rail on support column, slide block is connected with ball head universal, ball head universal is connected with printing head connecting rod.

2. delta as claimed in claim 1 3D printer upper support structure, it is characterized in that, described horizontal support block and upper support seat are bolted, described electric machine support and upper support seat are bolted, and a right-angle side of the 3rd aluminium section connecting pieces is fixedly connected with horizontal support block by nut.

3. delta as claimed in claim 1 3D printer upper support structure, it is characterized in that, described support column, horizontal support block adopt aluminium profile structure, described horizontal support block is connected with support column by tapped section jointing part and nut, nut, the fixed block of lead limit switch is connected with support column by nut, section jointing part, and limit switch is connected with fixed block bottom.

4. delta as claimed in claim 1 3D printer upper support structure, it is characterized in that, described printed material pedestal upper end face is provided with materials for support block, and materials for support block is connected with printed material support vertical, is provided with printed material locating piece at the end of materials for support block.

5. delta as claimed in claim 4 3D printer upper support structure, it is characterized in that, described printed material support, materials for support block are aluminium profile structure, and printed material support, materials for support block are connected by square first section jointing part with threaded hole and bolt.

6. delta as claimed in claim 1 3D printer upper support structure, it is characterized in that, the lower end of described printed material support is connected with upper support shelf by the second right angle section jointing part with threaded hole, the vertical joint face of the second right angle section jointing part is connected with printed material support by bolt, section bar nut, and the horizontal connecting surface of the second section jointing part is connected with upper support shelf by bolt.

7. delta as claimed in claim 6 3D printer upper support structure, it is characterized in that, described printed material props up the position be set up near one of them support column, second right angle section jointing part is provided with two symmetrically, the horizontal connecting surface of one of them the second right angle section jointing part is connected with upper support shelf, horizontal support block in turn by bolt, the section bar nut screw connection in the end of bolt and horizontal support block groove.

8. delta as claimed in claim 1 3D printer upper support structure, is characterized in that, described upper support seat adopts polygonal flat panel structure.