CN109968657B

CN109968657B - 3D printer workbench for multi-workpiece printing

Info

Publication number: CN109968657B
Application number: CN201711439200.7A
Authority: CN
Inventors: 李芳�; 高彦成; 马国伟; 王里
Original assignee: Lifang Tongda Industrial Tianjin Co ltd; Hebei University of Technology
Current assignee: Cubic Tongda Tianjin Experimental Instrument Co ltd; Hebei University of Technology
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2021-05-07
Anticipated expiration: 2037-12-27
Also published as: CN109968657A

Abstract

The invention relates to a 3D printer workbench for multi-workpiece printing, which comprises a fixed platform and a working platform, wherein a first clamping groove and a second clamping groove are formed in the working platform, a first movable plate is embedded in the first clamping groove in a clamping manner, two second clamping grooves are further formed in the first movable plate, a second movable plate is embedded in each of the three second clamping grooves in a clamping manner, the three second movable plates sequentially form a first workbench, a second workbench and a third workbench, the first movable plate forms a fourth workbench, and the second workbench, the third workbench and the fourth workbench are driven by a driving mechanism.

Description

3D printer workbench for multi-workpiece printing

Technical Field

The invention relates to the technical field of 3D printer accessories, in particular to a 3D printer workbench for multi-workpiece printing.

Background

Three-dimensional printing is a rapid forming technology based on droplet ejection forming, single-layer printing forming is similar to an ink-jet printing process, namely under the excitation of a digital signal, liquid material in a working cavity of a printing head forms droplets instantly, or the droplets are formed by jet flow, the liquid material is ejected from a nozzle at a certain frequency speed and is ejected to a specified position to be stacked layer by layer to form a three-dimensional solid part, the existing 3D printer comprises a working platform which can be lifted, but the working platform cannot be adjusted, when a forming working platform surface of the working platform is not parallel to a moving plane of the nozzle, a printed workpiece is easy to incline, so that the lifting height is fixed, when the distance between the working platform and the moving plane of the nozzle is too large or too small, the adjustment of the distance is difficult to realize through the adjustment of the working platform, in addition, the existing 3D printer has no origin positioning reference, thus, the position of the printed workpiece on the working platform is difficult to grasp, patent publication No. CN203805320U discloses a calibration workbench for a 3D printer, which can adjust the parallelism between the working platform and the moving plane of the nozzle, and also can adjust the distance between the working platform and the moving plane of the nozzle, a calibration test block is used for calibration and positioning between the nozzle and the working platform, when the position of the nozzle and the position of the calibration test block are accurately calibrated, the three-dimensional position data at this time is recorded, i.e. set as the mechanical origin of the working platform, which is convenient for providing reference for the specific position of the printed workpiece on the working platform, and the situation that the part of the workpiece exceeds the moving range of the nozzle during printing to cause the workpiece to be unable to be printed is avoided, and the defect is that when the workpiece is processed, a new workpiece model cannot be added for processing, and after the current equipment completes processing, just can be through processing after changing the bottom plate, greatly reduced machining efficiency.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a 3D printer workbench which is beneficial to improving the processing efficiency and used for printing multiple workpieces.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

the utility model provides a 3D printer workstation for many work pieces are printed, includes fixed platform and work platform, first draw-in groove and second draw-in groove have been seted up on the work platform, the card has embedded first movable plate in the first draw-in groove, two second draw-in grooves have still been seted up on the first movable plate, and are three the card has embedded the second movable plate, and is three respectively in the second draw-in groove the second movable plate forms first workstation, second workstation and third workstation in proper order, first movable plate forms the fourth workstation, the second workstation the third workstation with the fourth workstation is driven by actuating mechanism.

In the above-mentioned 3D printer workstation that is used for many work pieces to print, it is further, a plurality of adjusting part have been installed to fixed platform, work platform with adjusting part fixed connection, first workstation with the border punishment of fourth workstation has respectively installed the calibration test piece, the calibration test piece includes the straight strip piece that two mutually perpendicular connect, fixed platform passes through the stand and connects on lift platform, actuating mechanism set up in lift platform is last.

In the above 3D printer workstation for printing multiple workpieces, further, the adjusting assembly includes a bolt fixed to the work platform, an adjusting spring sleeved on the bolt, and an adjusting nut screwed with the bolt, a through hole is provided on the fixed platform, the bolt passes through the through hole, and two ends of the adjusting spring are respectively abutted to the fixed platform and the work platform.

In the above 3D printer workstation for printing of many work pieces, further, the size of first movable plate is greater than the size of second movable plate, three the size of second movable plate is unanimous.

In the above-mentioned 3D printer workstation that is used for many work pieces to print, it is further, actuating mechanism set up in the fixed platform below, actuating mechanism includes the elevating platform, the elevating platform includes first elevating platform, second elevating platform and third elevating platform, the vertical a plurality of push rods that are connected with on the elevating platform, the elevating platform is driven by a plurality of actuating cylinders that drive.

In the above-mentioned 3D printer workstation that is used for many work pieces to print, it is further, fixed platform first draw-in groove the second draw-in groove with a plurality of through-holes have been seted up on the first elevating platform respectively, on the first elevating platform the push rod upper end can by fixed platform and the through-hole of first draw-in groove in pass with the fourth workstation butt, on the second elevating platform the push rod upper end can by first elevating platform, fixed platform, first draw-in groove and the through-hole of second draw-in groove in pass with the second workstation butt, on the third elevating platform the push rod upper end can by first elevating platform, fixed platform, first draw-in groove and the through-hole of second draw-in groove in pass with the third workstation butt.

The invention has the advantages and positive effects that:

1. the second workbench, the third workbench and the fourth workbench are respectively driven by the driving mechanism to change the heights of the second workbench, the third workbench and the fourth workbench, when workpieces of the same size are machined, the heights of the first workbench, the second workbench and the third workbench are adjusted to be step-shaped, the nozzles are sequentially machined, when workpieces of different sizes are machined, the height of the fourth workbench is increased, small-size workpieces can be machined on the first workbench, large-size workpieces are machined on the fourth workbench, the bottom plate does not need to be replaced when the machine is stopped, and machining time is saved;

2. according to the invention, the calibration test blocks are only arranged at the edges of the first workbench and the fourth workbench, and because the first workbench, the second workbench and the third workbench are arranged at equal intervals, the processing positions of the second workbench and the third workbench can be calculated according to the calibration test blocks at the edge of the first workbench, and the calibration test blocks are not required to be arranged at each workbench, so that the calibration steps are complicated, the processing time is saved, and the processing efficiency is improved;

3. according to the invention, through holes formed in the first lifting table, the fixed platform, the first clamping groove and the second clamping groove play a limiting role, and the vertical position relation of the push rod and the first movable plate and the second movable plate is ensured, so that the levelness of the workbench is ensured, and the processing quality is favorably ensured.

Drawings

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus do not limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the structure of fig. 1.

In the figure:

1. the device comprises a fixed platform, 2 working platforms, 3 adjusting assemblies, 4 bolts, 5 adjusting springs, 6 adjusting nuts, 7 calibrating test blocks, 8 first working tables, 9 second working tables, 10 third working tables, 11 fourth working tables, 12 through holes, 13 push rods, 14 first lifting tables, 15 first clamping grooves, 16 second lifting tables, 17 third lifting tables, 18 driving cylinders, 19 stand columns, 20 lifting platforms, 21 first moving plates, 22 second moving plates and 23 second clamping grooves.

Detailed Description

First, it should be noted that the specific structure, features, advantages, etc. of the 3D printer stage for multi-workpiece printing according to the present invention will be specifically described below by way of example, however, all the descriptions are for illustrative purposes only and should not be construed as forming any limitation on the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. For simplicity of the drawings, the same or similar features may be indicated in only one place in the same drawing.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and operate, and thus are not to be construed as limiting the present invention, and in addition, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only and are not to indicate or imply relative importance or implicitly indicate the number of the indicated technical features.

The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings that illustrate only the basic structure of the invention and, therefore, only show the structures that are relevant to the invention.

As shown in fig. 1-2, a 3D printer workbench for multi-workpiece printing includes a fixed platform 1 and a working platform 2, the working platform 2 is provided with a first card slot 15 and a second card slot 23, the first card slot 15 is embedded with a first moving plate 21, the first moving plate 21 is further provided with two second card slots 23, the three second card slots 23 are respectively embedded with a second moving plate 22, the three second moving plates 22 sequentially form a first workbench 8, a second workbench 9 and a third workbench 10, the first moving plate 21 forms a fourth workbench 11, the second workbench 9 and the third workbench 10 are located on the fourth workbench 11 and are flush with the surface of the fourth workbench 11, the first workbench 8, the second table 9 and the third table 10 are disposed at equal intervals, and the second table 9, the third table 10 and the fourth table 11 are driven by a driving mechanism.

The fixed platform 1 is provided with a plurality of adjusting components 3, the working platform 2 is fixedly connected with the adjusting components 3, the edges of a first working platform 8 and a fourth working platform 11 are respectively provided with a calibration testing block 7, the calibration testing blocks 7 comprise two straight bar blocks (not marked in the drawing) which are mutually and vertically connected, the fixed platform 1 is connected on a lifting platform 20 through a vertical column 19, a driving mechanism is arranged on the lifting platform 20, the number of the adjusting components 3 is at least three, the principle that a plane can be determined by utilizing three points which are not on the same straight line is utilized, the number of the adjusting components 3 in the embodiment is four, the four adjusting components are respectively positioned at four corners, the adjusting components 3 comprise bolts 4 fixed on the working platform 2, adjusting springs 5 sleeved on the bolts 4 and adjusting nuts 6 in threaded connection with the bolts 4, through holes 12 are arranged on the fixed platform 1, the bolts 4 penetrate through the through holes 12, two ends of the adjusting springs 5 are respectively, the size of the first movable plate 21 is larger than that of the second movable plate 22, the three second movable plates 22 are the same in size, the driving mechanism is arranged below the fixed platform 1, the driving mechanism comprises a lifting platform, the lifting platform comprises a first lifting platform 14, a second lifting platform 16 and a third lifting platform 17, a plurality of push rods 13 are vertically connected onto the lifting platform, the lifting platform is driven by a plurality of driving cylinders 18, a plurality of through holes 12 are respectively formed on the fixed platform 1, the first clamping groove 15, the second clamping groove 23 and the first lifting platform 14, the circle center positions of the through holes 12 are respectively corresponding to the axle center positions of the push rods 13, the upper ends of the push rods 13 on the first lifting platform 14 can penetrate through the through holes 12 of the fixed platform 1 and the first clamping groove 15 to be abutted against the fourth working platform 11, the upper ends of the push rods 13 on the second lifting platform 16 can penetrate through the through holes 12 of the first lifting platform 14, the fixed platform 1, the first clamping groove 15 and the second clamping groove 23 to be abutted against the second working platform, the upper end of a push rod 13 on the third lifting platform 17 can pass through the through holes 12 of the first lifting platform 14, the fixed platform 1, the first clamping groove 15 and the second clamping groove 23 and abut against the third workbench 10

When the device is used, the parallelism between the working platform 2 and the moving plane of the nozzle can be adjusted through the adjusting component 3, the distance between the working platform 2 and the moving plane of the nozzle can be adjusted, before printing, the calibration test block 7 is used for calibrating and positioning the nozzle and the working platform 2, when the position of the nozzle is accurately calibrated with the position of the calibration test block 7, the three-dimensional position data at the moment is recorded, namely the three-dimensional position data is set as a mechanical origin point, so that a setting reference is provided for the specific position of a printed workpiece, when workpieces with the same size are processed, the heights of the first working platform 8, the second working platform 9 and the third working platform 10 are adjusted to be in a step shape, the specific operation method is that the driving air cylinder 18 is started, the driving air cylinder 18 drives the second lifting platform 16 and the third lifting platform 17 to move upwards respectively, the second lifting platform 16 and the third lifting platform 17 move upwards to drive the push rod 13 to move upwards, the top end of a push rod 13 extends out of a through hole 12, the height of a second workbench 16 and a third workbench 17 is raised under the action of the push rod 13 and is in a step shape, the step-shaped height difference is determined by the height of a printing workpiece, the higher the height of the printing workpiece is, the larger the step-shaped height difference is, and the smaller the step-shaped height difference is, the calibration test block 7 at the edge of a first workbench 8 is calibrated before processing, the processing positions of a second workbench 9 and a third workbench 10 can be calculated according to the calibration test block 7 of the first workbench 8, so that the nozzle can be moved conveniently, when processing workpieces with different sizes, as the size of the workpiece is larger than that of a second moving plate 22, in order to avoid the workpiece position exceeding range during printing, the height of a fourth workbench 11 can be raised, a small-sized workpiece is processed on the first workbench 8, a large-sized workpiece is processed on the fourth workbench 11, and the specific operation method is to start a driving air cylinder, the first lifting platform 14 is driven to move upwards, the first lifting platform 14 drives the push rod 13 to move upwards, the top end of the push rod 13 extends out of the through hole 12, the fourth working platform 11 moves upwards under the action of the push rod 13, and the second movable plate 22 clamped and embedded in the first clamping groove 15 rises along with the rising of the push rod 13, so that the machining can be carried out.

It should be noted that, unless otherwise explicitly specified or limited, the fixed connection or connection mode in the present invention adopts conventional means such as bolts, rivets, welding, etc. well-known in the art, and will not be described herein again, but will not affect the repeated reproduction of those skilled in the art for the reasons stated above.

It should be noted that the specific operation principle of the adjustment mechanism and the calibration test block in the present invention is described in detail in the calibration workbench for a 3D printer disclosed in the patent publication No. CN203805320U, and therefore, the detailed description thereof is omitted here, but the above reasons do not affect the repeated reproduction of those skilled in the art.

It should be noted that the driving method and driving distance of the driving cylinder in the present invention are conventional and will not be described herein again, but will not affect the repeated reproduction of the driving cylinder by those skilled in the art for the reasons described above.

The second workbench, the third workbench and the fourth workbench are respectively driven by the driving mechanism to change the heights of the second workbench, the third workbench and the fourth workbench, when workpieces of the same size are machined, the heights of the first workbench, the second workbench and the third workbench are adjusted to be in a step shape, the nozzles are sequentially machined, when workpieces of different sizes are machined, the height of the fourth workbench is increased, small-size workpieces can be machined on the first workbench, large-size workpieces are machined on the fourth workbench, the bottom plate does not need to be replaced after the machine is stopped, and machining time is saved.

The present invention has been described in detail with reference to the above examples, but the description is only for the preferred examples of the present invention and should not be construed as limiting the scope of the present invention. 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 utility model provides a 3D printer workstation for many work pieces are printed, includes fixed platform and work platform, its characterized in that: working platform is last to have seted up first draw-in groove and second draw-in groove, the inlay card has first movable plate in the first draw-in groove, two second draw-in grooves have still been seted up on the first movable plate, and is three the inlay card has the second movable plate, and is three respectively in the second draw-in groove the second movable plate forms first workstation, second workstation and third workstation in proper order, first movable plate forms the fourth workstation, the second workstation the third workstation with the fourth workstation is driven by actuating mechanism.

2. A 3D printer stage for multi-workpiece printing according to claim 1, wherein: the fixed platform is provided with a plurality of adjusting components, the working platform is fixedly connected with the adjusting components, the edge of the first working platform and the edge of the fourth working platform are respectively provided with a calibration test block, the calibration test block comprises two straight strip blocks which are perpendicular to each other and connected, the fixed platform is connected onto the lifting platform through a stand column, and the driving mechanism is arranged on the lifting platform.

3. A 3D printer stage for multi-workpiece printing according to claim 2, wherein: the adjusting assembly comprises a bolt fixed on the working platform, an adjusting spring sleeved on the bolt and an adjusting nut screwed with the bolt, a through hole is formed in the fixing platform, the bolt penetrates through the through hole, and two ends of the adjusting spring are respectively abutted to the fixing platform and the working platform.

4. A 3D printer stage for multi-workpiece printing according to claim 1, wherein: the size of the first moving plate is larger than that of the second moving plate, and the size of the second moving plate is consistent.

5. A 3D printer stage for multi-workpiece printing according to claim 1, wherein: the driving mechanism is arranged below the fixed platform and comprises a lifting platform, the lifting platform comprises a first lifting platform, a second lifting platform and a third lifting platform, a plurality of push rods are vertically connected to the lifting platform, and the lifting platform is driven by a plurality of driving cylinders.

6. A3D printer stage for multi-workpiece printing according to claim 5, characterised in that: the fixed platform the first draw-in groove the second draw-in groove with a plurality of through-holes have been seted up on the first elevating platform respectively, on the first elevating platform the push rod upper end can by pass in the through-hole of fixed platform and first draw-in groove with the fourth workstation butt, on the second elevating platform the push rod upper end can by pass in the through-hole of first elevating platform, fixed platform, first draw-in groove and second draw-in groove with the second workstation butt, on the third elevating platform the push rod upper end can by pass in the through-hole of first elevating platform, fixed platform, first draw-in groove and second draw-in groove with the third workstation butt.