CN209632122U - Stone printing equipment - Google Patents

Abstract

The utility model belongs to 3D printer technical field, more particularly to a kind of stone printing equipment, including rack, stone platform and elevating mechanism, stone platform includes stone rack and printing substrate, stone rack is installed in rack and offers the lifting groove for being arranged in a vertical direction and moving up and down for printing substrate, printing substrate is located in lifting groove, elevating mechanism includes the mounting bracket being installed in rack, in mounting bracket and it is arranged in a vertical direction and rotatable screw rod, it is threadedly connected to the travelling nut at the driving end on screw rod and as elevating mechanism, the driving motor that is connect in mounting bracket and with one end of screw rod and towards extending in lifting groove and be connected to the elevating lever between travelling nut and printing substrate, when screw rod stops operating, travelling nut also stops movement immediately, so as to be accurately realized printing base Plate promotes the precision of printing object with the corresponding height of thickness decline of printed material.

Description

Stone printing equipment

Technical field

The utility model belongs to 3D printer technical field more particularly to a kind of stone printing equipment.

Background technique

3D printing is increment manufacturing process, is to stack material to form a complete target by set shape layer by layer Object.When carrying out 3D printing using metal powder, metal powder material is usually first launched to the stone platform to 3D metallic print machine Upper carry out printing shaping, wherein stone platform is equipped with elevating mechanism, and after every one layer of printing, elevating mechanism will correspondingly be driven Stone platform declines one layer of height, so that next layer of metal powder material curing molding on the layer, so circulation superposition, until Target piece printing is completed to require its elevating mechanism control precision with higher for 3D metallic print machine with this, with full One layer of distance of its every decline of foot is adapted with the thickness of every one layer of printing.And the elevating mechanism of existing stone platform be usually by Driving motor, vertical guide rail and sliding block composition, driving motor driving sliding block drives stone platform to move up and down on guide rail, and slides Distance that block moves on guide rail is simultaneously difficult to control, and often due to the effect of inertia of sliding block, causes moving distance to occur larger Error can not form on the basis of upper one layer completely so as to cause next layer of metal powder material, and then lead to the object of printing Roughness is larger, and yields is not high.

Utility model content

The purpose of this utility model is to provide a kind of stone printing equipments, it is intended to solve 3D metallic print in the prior art The not high technical problem of the precision that the elevating mechanism of machine drives stone platform mobile.

A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: stone printing equipment, including rack, Stone platform and elevating mechanism, the stone platform include stone rack and printing substrate, and the stone rack is installed on the rack Above and the lifting groove for being arranged in a vertical direction and the printing substrate being supplied to move up and down is offered, the printing substrate is located at described In lifting groove, the elevating mechanism includes the mounting bracket being installed in the rack, is set in the mounting bracket and along perpendicular Histogram is to arrangement and rotatable screw rod, is threadedly connected on the screw rod and the movement at the driving end as the elevating mechanism Nut, in the mounting bracket and the driving motor that is connect with one end of the screw rod and towards prolonging in the lifting groove The elevating lever stretched and be connected between the travelling nut and the printing substrate.

Preferably, the travelling nut is equipped with pinboard, and the elevating lever is connected to the pinboard and the printing Between substrate.

Preferably, the elevating mechanism further includes at least one linear slide rail, and the guide rail of the linear slide rail is installed on institute State in mounting bracket and parallel with the screw rod, the sliding block of the linear slide rail is fixedly connected with the pinboard.

Preferably, there are two the linear slide rail is set, the guide rail of two linear slide rails is arranged in parallel in the screw rod Two sides, the sliding block of two linear slide rails is fixedly connected with the pinboard.

Preferably, it is socketed with the first synchronizing wheel on the main shaft of the driving motor, it is synchronous that second is socketed on the screw rod Wheel, winding is connected with synchronous belt between first synchronizing wheel and second synchronizing wheel.

Preferably, the printing substrate is equipped with positioning chamber, and the side wall of the positioning chamber is equipped at least one clamping groove, institute The upper end for stating elevating lever is equipped with landing nipple, and the landing nipple is equipped at least one shackle member, and the landing nipple abuts In in the positioning chamber, and the landing nipple is connected in the clamping groove by the shackle member and is fixed on the positioning It is intracavitary.

Preferably, the clamping groove includes vertical guiding groove section and laterally clamping groove portion, the vertical guiding groove section are in perpendicular Straight shape is arranged and is set on the side wall of the positioning chamber, and the lower end of the vertical guiding groove section is in communication with the outside, the transverse direction One end of clamping groove portion is connect with the upper end of the vertical guiding groove section, the other end is horizontal faces away from the vertical guiding The direction of groove portion extends.

Preferably, the bottom wall of the positioning chamber is equipped with rectangular fixing groove, and the upper end of the landing nipple is equipped with rectangular solid Determine body, the rectangular fixed body is connected in the rectangular fixing groove.

Preferably, it is equipped with stop block positioned at the lower end of the lifting groove in the mounting bracket, the stop block is equipped with Position-arresting hole, the elevating lever are passed through and the position-arresting hole and are slidably connected with the stop block, and the elevating lever is towards the liter It drops in slot and extends.

Preferably, the lower end of the landing nipple is equipped with contact body, and the stop block includes belled body and is connected to described The stop bit body of belled body upper end, the belled body are slidably connected with the elevating lever, and the contact body offsets with the stop bit body It connects.

The utility model has the beneficial effects that the stone printing equipment of the utility model, when printing, metal powder material is in printing base Curing molding on plate, printing substrate are mounted in lifting groove and are moved up and down in lifting groove by elevating mechanism.Wherein, it goes up and down The specific lifting process of mechanism is such that drive screw rod to rotate, screw rod drives travelling nut to exist again when driving motor rotates It moves up and down on screw rod, so that the elevating lever being fixedly connected with travelling nut be driven to move up and down in lifting groove, and then drives Printing substrate moves up and down in lifting groove.And due to being threadedly coupled between travelling nut and screw rod, then when screw rod stops When rotation, travelling nut also stops movement immediately, to efficiently solve the inertia pair due to generating in travelling nut movement The influence of moving distance can be accurately realized printing substrate with the corresponding height of thickness decline of printed material, Jin Erti Rise the precision of printing object.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of stone printing equipment provided by the embodiment of the utility model；

Fig. 2 is the schematic diagram of the section structure of stone printing equipment provided by the embodiment of the utility model；

Fig. 3 is the partial enlargement structural representation in Fig. 2 at A；

Fig. 4 is the structural schematic diagram of the elevating mechanism of stone printing equipment provided by the embodiment of the utility model.

Wherein, each appended drawing reference in figure:

10-rack 20-stone platform 21-stone racks

22-printing substrate 30-elevating mechanism, 31-mounting brackets

32-screw rod 33-travelling nut, 34-driving motors

35-elevating lever 36-pinboard, 38-stop blocks

40-linear slide rail 41-guide rail, 42-sliding blocks

211-221-positioning chambers of lifting groove 222-rectangular fixing groove

351-352-shackle members of landing nipple 353-rectangular fixed body

354-contact body 381-belled body, 382-stop bit bodies

391-the first synchronizing wheel 393-synchronous belt of the 392-the second synchronizing wheel.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining the description of attached drawing 1~4 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in figures 1-4, the utility model embodiment provides a kind of stone printing equipment, including rack 10, stone platform 20 and elevating mechanism 30, the stone platform 20 includes stone rack 21 and printing substrate 22, and the stone rack 21 is installed on institute The lifting groove 211 for being arranged in a vertical direction and the printing substrate 22 being supplied to move up and down is stated in rack 10 and offers, it is described to beat Print substrate 22 be located in the lifting groove 211, the elevating mechanism 30 including be installed in the rack 10 mounting bracket 31, In the mounting bracket 31 and be arranged in a vertical direction and rotatable screw rod 32, be threadedly connected on the screw rod 32 and The travelling nut 33 at the driving end as the elevating mechanism 30, one in the mounting bracket 31 and with the screw rod 32 Hold the driving motor 34 of connection and towards extending in the lifting groove 211 and be connected to the travelling nut 33 and the printing Elevating lever 35 between substrate 22.

Specifically, the stone printing equipment of the utility model embodiment, when printing, metal powder material is solid on printing substrate 22 Chemical conversion type, printing substrate 22 are mounted in lifting groove 211 and are moved up and down in lifting groove 211 by elevating mechanism 30.Wherein, The specific lifting process of elevating mechanism 30 is such that drive screw rod 32 to rotate, the band again of screw rod 32 when driving motor 34 rotates Dynamic travelling nut 33 moves up and down on screw rod 32, to drive the elevating lever 35 being fixedly connected with travelling nut 33 in lifting groove It is moved up and down in 211, and then printing substrate 22 is driven to move up and down in lifting groove 211.And due to travelling nut 33 and screw rod To be threadedly coupled between 32, then travelling nut 33 also stops movement immediately, to effectively solve when screw rod 32 stops operating Determined due to travelling nut 33 it is mobile on the influence of the inertia that generates to moving distance, can be accurately realized printing substrate 22 with The corresponding height of thickness decline of printed material (usually 0.05mm or so, according to different material and size of powder particles come It is fixed), and then promote the precision of printing object.

In another embodiment, screw rod 32 is preferably the screw rod 32 of C3 class precision.

In one embodiment, as shown in Figure 2,4, the travelling nut 33 is equipped with the pinboard connected for elevating lever 35 36, the elevating lever 35 is connected between the pinboard 36 and the printing substrate 22, allows elevating lever 35 more suitable Printing substrate 22 freely is driven to move up and down in lifting groove 211.

In one embodiment, as shown in figure 4, the elevating mechanism further includes at least one linear slide rail 40, the line The guide rail 41 of property sliding rail 40 is installed in the mounting bracket 31 and, the sliding block of the linear slide rail 40 parallel with the screw rod 32 42 are fixedly connected with the pinboard 36.Wherein, guide rail 41 plays support and auxiliary sliding, and pinboard 36 passes through sliding block 42 It is slidably connected with guide rail 41, allows pinboard 36 under the support of guide rail 41, slide more steadily, be easier on screw rod 32 In the mobile precision of control printing substrate 22.

In another embodiment, guide rail 41 is preferably the guide rail of P class precision.

In one embodiment, as shown in figure 4, there are two the linear slide rail 40 sets, two linear slide rails 40 Guide rail 41 is arranged in parallel in the two sides of the screw rod 32, and the sliding block 42 of two linear slide rails 40 is solid with the pinboard 36 Fixed connection.Wherein, two guide rails 41, which are symmetrically distributed, is arranged in correspondence with sliding block 42 in the two sides on the two sides of screw rod 32, pinboard 36 It is slidably connected respectively with two guide rails 41, to guarantee that sliding block 42 smoothly and precisely can drive printing substrate 22 by elevating lever 35 It is moved in lifting groove 211.

In one embodiment, as shown in Figure 2,4, it is socketed with the first synchronizing wheel 391 on the main shaft of the driving motor 34, The second synchronizing wheel 392, winding between first synchronizing wheel 391 and second synchronizing wheel 392 are socketed on the screw rod 32 It is connected with synchronous belt 393.Specifically, wherein one end of driving motor 34 is equipped with the first synchronizing wheel 391, and screw rod 32 is close to driving One end of motor 34 is equipped with the second synchronizing wheel 392, is connected between the first synchronizing wheel 391 and the second synchronizing wheel 392 by synchronous belt 393 It connects, so that driving motor 34 can be rotated synchronously with screw rod 32, and then converts travelling nut 33 in screw rod 32 for rotation On move up and down, realize the purpose that moves up and down in lifting groove 211 of printing substrate 22.

In one embodiment, as shown in Figure 2,3, the printing substrate 22 is equipped with positioning chamber 221, the positioning chamber 221 side wall is equipped at least one clamping groove, and the upper end of the elevating lever 35 is equipped with landing nipple 351, the landing nipple 351 It is equipped at least one shackle member 352, the landing nipple 351 is connected in the positioning chamber 221, and the landing nipple 351 are connected in the clamping groove by the shackle member 352 and are fixed in the positioning chamber 221.Specifically, elevating lever 35 To be detachably connected between printing substrate 22, when installation, the landing nipple 351 of the upper end of elevating lever 35 is abutted to enter to be located at and be beaten The positioning chamber 221 of 22 lower end of substrate is printed, during abutting, each shackle member 352 is connected in clamping groove, to prevent from going up and down It is loosened between bar 35 and printing substrate 22, and then avoids influencing the moving distance that elevating lever 35 drives printing substrate 22, with Guarantee printing precision.

In another embodiment, shackle member 352 set there are four and with the periphery that is distributed in landing nipple 351, it is corresponding There are four ground clamping groove is set, four shackle members 352 are connected in respectively in four clamping grooves.

In one embodiment, the clamping groove includes vertical guiding groove section and is laterally clamped groove portion, the vertical guiding Groove portion cloth in a vertical shape is arranged on the side wall of the positioning chamber 221, and the lower end of the vertical guiding groove section is in communication with the outside, It is described laterally clamping groove portion one end connect with the upper end of the vertical guiding groove section, the other end it is horizontal face away from described in The direction of vertical guiding groove section extends, i.e., clamping groove is in inverted "L" shape, and the shackle member 352 on landing nipple 351 it is cylindrical and with The side of landing nipple 351 vertically connects, then the shackle member 352 on landing nipple 351 is first by vertical guide groove in clamping Portion enters clamping groove, then by rotation so that the lateral clamping groove portion of the entrance of shackle member 352 can be realized and connect and fix.

In one embodiment, as shown in Figure 3,4, the bottom wall of the positioning chamber 221 is equipped with rectangular fixing groove 222, institute The upper end for stating landing nipple 351 is equipped with rectangular fixed body 353, and the rectangular fixed body 353 is connected to the rectangular fixing groove 222 It is interior.Specifically, the tapered shape of positioning chamber 221 and the cross-sectional area of upper end are less than the cross-sectional area of lower end (i.e. positioning chamber 221 are in loudspeaker Mouth down it is horn-like), likewise, also tapered shape is adapted to landing nipple 351 with positioning chamber 221, and by positioning chamber One rectangular fixing groove is set on 221 bottom walls far from open at one end, while one side is set on the top of landing nipple 351 The fixed body of shape, when so that landing nipple 351 being connected in positioning chamber 221, rectangular fixed body 353 is connected to rectangular fixing groove In 222, to prevent from relatively rotating between elevating lever 35 and printing substrate 22, clamping groove is detached to avoid shackle member 352 Cause entire 3D printer can not normal print object the case where generation.

In one embodiment, as shown in Fig. 2, the lower end in the mounting bracket 31 positioned at the lifting groove 211 is equipped with Stop block 38, the stop block 38 be equipped with position-arresting hole, the elevating lever 35 pass through the position-arresting hole and with the stop block 38 It is slidably connected, and the elevating lever 35 is towards extending in the lifting groove 211.Specifically, pass through the week in 211 lower end of lifting groove Stop block 38 is connected on edge, elevating lever 35 opposite on the stop block 38 can slide, and the top of stop block 38 and elevating lever 35 End can mutually abut, to printing substrate 22 can be driven unexpectedly by moving completely in lifting groove 211 to avoid elevating lever 35 Out, to guarantee the safe and orderly progress of print procedure.

In one embodiment, as shown in Fig. 2, the lower end of the landing nipple 351 is equipped with contact body 354, the stop bit Block 38 includes belled body 381 and the stop bit body 382 for being connected to 381 upper end of belled body, the belled body 381 and the lifting Bar 35 is slidably connected, and the contact body 354 is abutted against with the stop bit body 382.Specifically, the landing nipple 351 of tapered shape Lower end cross-sectional area be greater than elevating lever 35 cross-sectional area, i.e. the periphery of 351 lower end of landing nipple protrudes from elevating lever 35 Periphery formed contact body 354, in this way, when elevating lever 35 drive printing substrate 22 be moved to the lower end of lifting groove 211 when, abut Body 354 is mutually abutted with stop bit body 382, is prevented elevating lever 35 from continuing that printing substrate 22 is driven to move down, is realized stop bit.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of stone printing equipment, it is characterised in that: including rack, stone platform and elevating mechanism, the stone platform includes paving Expect that rack and printing substrate, the stone rack are installed in the rack and offer and be arranged in a vertical direction and beat for described The lifting groove that print substrate moves up and down, the printing substrate are located in the lifting groove, and the elevating mechanism includes being installed on institute The mounting bracket in rack is stated, in the mounting bracket and is arranged in a vertical direction and rotatable screw rod, is threadedly coupled In on the screw rod and as the elevating mechanism driving end travelling nut, be set to the mounting bracket on and with the silk The driving motor of one end connection of bar and towards extending in the lifting groove and be connected to the travelling nut and the printing Elevating lever between substrate.

2. stone printing equipment according to claim 1, it is characterised in that: the travelling nut is equipped with pinboard, institute Elevating lever is stated to be connected between the pinboard and the printing substrate.

3. stone printing equipment according to claim 2, it is characterised in that: the elevating mechanism further includes at least one line Property sliding rail, the guide rail of the linear slide rail are installed in the mounting bracket and parallel with the screw rod, the linear slide rail Sliding block is fixedly connected with the pinboard.

4. stone printing equipment according to claim 3, it is characterised in that: there are two the linear slide rail is set, two institutes The guide rail for stating linear slide rail is arranged in parallel in the two sides of the screw rod, the sliding block of two linear slide rails with the pinboard It is fixedly connected.

5. stone printing equipment according to claim 1, it is characterised in that: be socketed on the main shaft of the driving motor One synchronizing wheel is socketed with the second synchronizing wheel on the screw rod, and winding connects between first synchronizing wheel and second synchronizing wheel It is connected to synchronous belt.

6. described in any item stone printing equipments according to claim 1~5, it is characterised in that: the printing substrate is equipped with Positioning chamber, the side wall of the positioning chamber are equipped at least one clamping groove, and the upper end of the elevating lever is equipped with landing nipple, described fixed Position connector is equipped at least one shackle member, and the landing nipple is connected in the positioning chamber, and the landing nipple passes through The shackle member is connected in the clamping groove and is fixed in the positioning chamber.

7. stone printing equipment according to claim 6, it is characterised in that: the clamping groove include vertical guiding groove section and Laterally clamping groove portion, the vertical guiding groove section is in a vertical shape to be arranged and is set on the side wall of the positioning chamber, and described vertical The lower end of guiding groove section is in communication with the outside, it is described laterally clamping groove portion one end connect with the upper end of the vertical guiding groove section, The horizontal direction for facing away from the vertical guiding groove section of the other end extends.

8. stone printing equipment according to claim 6, it is characterised in that: the bottom wall of the positioning chamber is equipped with rectangular solid Determine slot, the upper end of the landing nipple is equipped with rectangular fixed body, and the rectangular fixed body is connected in the rectangular fixing groove.

9. stone printing equipment according to claim 6, it is characterised in that: be located at the lifting groove in the mounting bracket Lower end be equipped with stop block, the stop block be equipped with position-arresting hole, the elevating lever pass through the position-arresting hole and with the stop bit Block is slidably connected, and the elevating lever is towards extending in the lifting groove.

10. stone printing equipment according to claim 9, it is characterised in that: the lower end of the landing nipple, which is equipped with, to abut Body, the stop block include belled body and the stop bit body for being connected to the belled body upper end, the belled body and the elevating lever It is slidably connected, the contact body is abutted against with the stop bit body.