CN210026325U

CN210026325U - Box formula mounting bracket and 3D printer

Info

Publication number: CN210026325U
Application number: CN201920858126.0U
Authority: CN
Inventors: 陈金英; 张春芝; 郭勇; 李兆坤; 王继群
Original assignee: Beijing University of Technology
Current assignee: Beijing University of Technology
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-02-07
Anticipated expiration: 2029-06-10

Abstract

The utility model provides a box formula mounting bracket and 3D printer, relate to mounting bracket technical field, a problem for solving the not high precision of the part of current mounting bracket installation, this box formula mounting bracket includes under casing and door-shaped frame, the under casing includes the roof, the bottom plate, left side board and right side board, the roof, the bottom plate, left side board and right side board form the framework, the framework includes front end opening and rear end opening, the door-shaped frame includes crossbeam and two stands, the upper end of two stands is connected with the both ends of crossbeam respectively, the lower extreme of two stands is connected with the roof respectively, a and the left side board laminating in two stands, another and the laminating of right side board, the utility model provides a box formula mounting bracket is used for all kinds of 3D printers, improves each part spatial position precision of 3D printer.

Description

Box formula mounting bracket and 3D printer

Technical Field

The utility model relates to a mounting bracket technical field especially relates to a box formula mounting bracket and 3D printer.

Background

3D printing is a technique for building objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files. When 3D printed, the aircraft nose of 3D printer needed the even running could guarantee that the product precision of printing out was high.

The 3D printer generally includes a mounting frame, a motion mechanism, and a head, where the head is connected to the mounting frame through the motion mechanism, for example, through a z-axis motion mechanism, and the z-axis motion mechanism can drive the head to move along a z-axis direction. Wherein, the mounting bracket is formed by many section bar overlap joints usually to satisfy motion mechanism's motion demand and avoid interfering as far as possible, the column mouting of mounting bracket is marginal all around, sets up the crossbeam between the stand, and is optional, forms the box at the attached ya keli board of mounting bracket outside etc..

However, the stand of mounting bracket often is located the installation benchmark of difference for the position between the part of different position installation on the mounting bracket is different more with the theoretical value, makes aircraft nose positioning accuracy not high, and in addition, the mounting bracket rigidity that scattered section bar overlap joint formed is not enough, and unstable structure has further reduced the precision under the aircraft nose motion state.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the embodiment of the utility model provides a box formula mounting bracket and 3D printer for accurate, stable all kinds of parts of installation, the final product precision that makes the processing out is good.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model provides a first aspect of embodiment provides a box formula mounting bracket, it includes under casing and door-shaped frame, the under casing includes roof, bottom plate, left side board and right side board, roof, bottom plate, left side board and right side board form the framework, the framework includes front end opening and rear end opening, door-shaped frame includes crossbeam and two stands, the upper end of two stands is connected with the both ends of crossbeam respectively, the lower extreme of two stands is connected with the roof respectively, one in the two stands is laminated with the left side board, another one is laminated with the right side board.

Compared with the prior art, the embodiment of the utility model provides a box formula mounting bracket has following advantage: the door-shaped frame is arranged on the top plate, so that the components arranged on the top plate and the components arranged on the door-shaped frame have the same positioning reference, and the position precision of the components arranged on the box body type installation frame is high; moreover, the top plate, the bottom plate, the left side plate and the right side plate form a frame body, and the frame body expands the installation space of the top plate, so that components can be installed on the upper surface and the lower surface of the top plate, and the positioning precision among the components is further improved; in addition, two stands of door-shaped frame laminate left side board and right side board respectively for door-shaped frame receives more firm support, and the structural rigidity of box formula mounting bracket is higher, guarantees the stability of box formula mounting bracket when the motion of the motion mechanism of box formula mounting bracket installation, has improved the position accuracy of box formula mounting bracket upper part under the motion state.

As an improvement of the box-type mounting frame of the embodiment of the present invention, the cross beam includes a beam plate and two connecting plates respectively located at two sides of the beam plate; every stand includes two column plates that set up relatively, and the upper end and a connecting plate of every column plate are connected, and constitute the stand space between two column plates in same stand.

As an improvement of the box-type mounting rack of the embodiment of the present invention, a region of the beam plate corresponding to the column space is provided with a fixing cover mounting hole, the fixing cover mounting hole is a non-circular hole, a fixing cover is arranged in the fixing cover mounting hole, and the fixing cover is in interference fit with the fixing cover mounting hole; a guide pillar is arranged between the fixed cover and the top plate, a blind hole matched with the guide pillar is formed in the fixed cover, and a positioning hole matched with the guide pillar is formed in the top plate.

As an improvement of the embodiment of the utility model provides a box formula mounting bracket, beam slab, two connecting plates and two column plates are the integrated into one piece structure.

As an improvement of the embodiment of the utility model provides a box formula mounting bracket, door-shaped frame still includes the riser, the both sides of riser respectively with two column plate fixed connection in the same stand.

As an improvement of the box-type mounting rack of the embodiment of the utility model, the bottom box further comprises a rear cover plate and a display fixing plate; the rear cover plate covers the rear end opening of the frame body, the display fixing plate covers the front end opening of the frame body, and an acute angle is formed between the outer normal of the outer side surface of the display fixing plate and the outer normal of the outer side surface of the top plate.

As an improvement of the box-type mounting rack of the embodiment of the present invention, the edge of the front end opening is provided with a first flange protruding toward the inner side of the front end opening, and the display fixing plate is connected with the first flange through a screw; the edge of the rear end opening is provided with a second flange protruding towards the inner side of the rear end opening, and the rear cover plate is connected with the second flange through screws.

As an improvement of the embodiment of the utility model provides a box formula mounting bracket, one or more in left side board, right side board, bottom plate and the back shroud are provided with the ventilation hole.

As an improvement of the embodiment of the utility model, box formula mounting bracket still includes a plurality of corner seats, and the corner seat setting is on the roof to with stand fixed connection.

A second aspect of the embodiments provides a 3D printer, it includes aforementioned box formula mounting bracket.

Because the embodiment of the utility model provides a 3D printer includes aforementioned box formula mounting bracket, has all beneficial effects of box formula mounting bracket naturally.

In addition to the technical problems, technical features constituting technical solutions, and advantageous effects brought by the technical features of the technical solutions described above, other technical problems that can be solved by the box-type mounting rack and the 3D printer provided by the embodiments of the present invention, other technical features included in the technical solutions, and advantageous effects brought by the technical features will be further described in detail in the detailed description of the embodiments of the present invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a 3D printer according to an embodiment of the present invention;

FIG. 2 is a schematic view of another angle of the 3D printer in FIG. 1

FIG. 3 is a front view of the bottom box of FIG. 2;

FIG. 4 is a top view of the bottom box of FIG. 3;

FIG. 5 is a left side view of the bottom box of FIG. 3;

FIG. 6 is a schematic view of the structure of the bottom case of FIG. 3;

FIG. 7 is a front view of the portal frame of FIG. 2;

FIG. 8 is a top view of the door frame of FIG. 7;

FIG. 9 is a schematic structural view of the door frame of FIG. 7;

FIG. 10 is a front view of the retaining cap of FIG. 2;

FIG. 11 is a cross-sectional view A-A of FIG. 10;

fig. 12 is a schematic structural view of the fixing cover of fig. 10.

Description of reference numerals:

1-a door-shaped frame; 101-a first connection hole;

102-fixed cover mounting holes; 11-a cross beam;

111-a rear connection plate; 112-front connection plate;

12-a column; 121-column plate;

122-a riser; 123-a third flange;

124-a fourth flange; 13-beam slab;

2-a bottom box; a 201-y axis lever locating hole;

a 202-y axis motor fixing hole; 203-y axis motor mounting holes;

204-y axis limit switch positioning holes; 205-y axis auxiliary pulley securing holes;

206-second connection hole; 207-z axis motor fixing holes;

208-z axis motor mounting holes; 209-z axis polished rod locating holes;

210-ground foot fixing holes; 211-z axis limit switch locating holes;

212-bushing vias; 213-a vent;

214-power supply hole; 21-a top plate;

22-a base plate; 23-left side panel;

24-right side plate; 25-left front first flange;

26-a right front first flange; 27-a second flange;

3-fixing the cover; 301-blind screw hole;

302-polished rod blind hole; 4-display fixing plate;

5-a rear cover plate; 6-angle seat;

71-z axis lead screw; 72-z axis optical bar.

Detailed Description

In order to make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and 2, an embodiment of the present invention provides a box type mounting rack, including a bottom box 2 and a door-shaped frame 1, the bottom box 2 includes a top plate 21, a bottom plate 22, a left side plate 23 and a right side plate 24, the top plate 21, the bottom plate 22, the left side plate 23 and the right side plate 24 form a frame body, the frame body includes a front end opening and a rear end opening, the door-shaped frame 1 includes a cross beam 11 and two columns 12, the upper ends of the two columns 12 are respectively connected with the two ends of the cross beam 11, the lower ends of the two columns 12 are respectively connected with the top plate 21, one of the two columns 12 is attached to the left side plate 23, and the other is attached to the right side plate.

As shown in fig. 1, the left side of fig. 1 is the right side of the bottom case 2, the right side of fig. 1 is the left side of the bottom case 2, and the frame opening partially visible in fig. 1 is the front end opening. In a specific embodiment provided by the present invention, the top plate 21, the bottom plate 22, the left side plate 23 and the right side plate 24 of the bottom box 2 form a frame body, the bottom plate 22 is located at the bottom, the left side of the bottom plate 22 is the left side plate 23, the right side is the right side plate 24, and the top ends of the left side plate 23 and the right side plate 24 are provided with the top plate 21. The height of the left side plate 23 and the right side plate 24 is smaller than the width of the bottom plate 22, so that the frame body is in a flat box shape, and the flat box-shaped frame body is more stable after being placed. The door-shaped frame 1 comprises a cross beam 11 and two upright posts 12 arranged at two ends of the cross beam 11, the lower ends of the upright posts 12 are attached to the outer side surface of the top plate 21, and the two upright posts 12 are perpendicular to the outer side surface of the top plate 21. The two upright columns 12 are arranged along the left-right direction, one upright column 12 is attached to the left side plate 23, and the other upright column 12 is attached to the right side plate 24. Optionally, the placing directions of the two upright posts 12 and the left and right directions form a preset angle.

Preferably, door-shaped frame 1 and 2 detachable fixed connection of under casing, the space that the two occupy when taking apart is less than the space that occupies when assembling, the transport of being convenient for. When the box type mounting frame is required to be used, the door-shaped frame 1 and the bottom box 2 are assembled and fixedly connected, and the position precision between all the parts arranged on the box type mounting frame is ensured.

The box-type mounting bracket is used for mounting various components, particularly positioning components and moving components which need to maintain spatial position accuracy. The components can be installed on the top plate 21, the components installed on the top plate 21 have the same installation standard, and the relative position precision among the components is easily guaranteed. Both the outer side and the inner side of the top plate 21 can be used for attaching the parts to be mounted, and when the parts on the inner side of the top plate 21 need to be connected with the parts on the outer side of the top plate 21, corresponding holes can be arranged on the top plate 21. The components can also be installed on the door-shaped frame 1, and the components can also be fixed by the top plate 21 and the door-shaped frame 1 at the same time, for example, two ends of an elongated slide rail can be fixed with the top plate 21 and the door-shaped frame 1 respectively. In addition, various control elements can be arranged in the bottom box 1, and the control elements can be taken and placed on the inner side of the frame body through the front end opening or the rear end opening of the frame body. The control element is typically mounted to the bottom plate 22, the left side plate 23 or the right side plate 24, and the control element may be electrically connected to the corresponding component through a flexible wire.

Since the door frame 1 is attached to the top plate 21, the components attached to the door frame 1 are also attached to the top plate 21, and therefore the positional accuracy between the components attached to the door frame 1 and the components attached to the top plate 21 is relatively high. And the embodiment of the utility model provides a box formula mounting bracket structural rigidity is stronger, and when the part motion of installation on it, box formula mounting bracket self stability is better. In addition, various control elements are concentrated in the bottom box 2, on one hand, the distance between the control elements and parts needing to be controlled correspondingly can be shortened, so that the hung transmission line is shortened and reduced, the influence of the transmission line on moving parts is reduced, and the bottom box is convenient to disassemble and carry; on the other hand, the overall size of the box type mounting frame can be reduced, and the structural rigidity is further improved.

Referring to fig. 7, 8 and 9, in an embodiment of the present invention, the beam 11 includes a beam plate 13 and two connecting plates respectively located at two sides of the beam plate 13; each column 12 includes two column plates 121 disposed oppositely, the upper end of each column plate 121 is connected to a connecting plate, and a column space is formed between the two column plates 121 in the same column 12. The front side of the beam plate 13 is provided with a front connecting plate 112, and the rear side is provided with a rear connecting plate 111; each upright post 12 comprises two post plates 121 oppositely arranged in the front-back direction, the upper end of the post plate 121 on the front side is connected with the front connecting plate 112, the upper end of the post plate 112 on the rear side is connected with the rear connecting plate 111, upright post spaces are formed between the two post plates 121 of the same upright post 12, each upright post space comprises an inner end opening communicated with a doorway formed by the door-shaped frame 1, the corresponding upright post spaces also comprise outer end openings, and when the door-shaped frame 1 is designed to be a symmetrical structure, the front-back direction can be exchanged during installation. The door frame 1 thus configured can provide a column space for installing an external member, a member in the column space can be connected to both the top plate 21 and the beam plate 13, and a member installed in the column space can protrude from the inner end opening or the outer end opening.

A guide post can be arranged in the space of the upright post and is used for driving other parts to move up and down or swing. The length of the guide post can be shorter than the height of the upright post space, and then the guide post is fixed on the top plate 21; if a longer guide pillar is selected, a blind hole matched with the guide pillar can be formed in the beam plate 13, a positioning hole matched with the guide pillar is formed in the top plate 21, the guide pillar is firstly installed on the top plate 21 during installation, and then the blind hole and the guide pillar are aligned when the door-shaped frame 1 is installed on the top plate 21.

In a preferred embodiment, a fixing cover mounting hole 102 is formed in a region of the beam plate 13 corresponding to the column space, the fixing cover mounting hole 102 is a non-circular hole, a fixing cover 3 is arranged in the fixing cover mounting hole 102, and the fixing cover 3 is in interference fit with the fixing cover mounting hole 102; a guide pillar is arranged between the fixed cover 3 and the top plate 21, a blind hole matched with the guide pillar is formed in the fixed cover 3, and a positioning hole matched with the guide pillar is formed in the top plate 21. In order to conveniently install long guide pillars in the column space, especially when a plurality of guide pillars need to be installed, a fixing cover installation hole 102 is formed in a region, corresponding to the column space, of the beam plate 13, a fixing cover 3 is arranged in the fixing cover installation hole 102, a blind hole matched with the guide pillars is formed in the fixing cover 3, the fixing cover 3 can be a plurality of fixing covers 3, a plurality of blind holes can be formed in each fixing cover 3, and a positioning hole matched with the guide pillars is formed in the top plate 21. When the device is installed, the guide post can be installed at the positioning hole of the top plate 21, then the fixing cover 3 is installed above the beam plate 13, and the blind hole is sleeved at the upper end of the guide post in the process of installing the fixing cover 3. The fixing cover mounting hole 102 is a non-circular hole, and the fixing cover mounting hole 102 is in interference fit with the fixing cover 3, so that the fixing cover 3 can be prevented from rotating after being mounted.

Referring to fig. 10, 11 and 12, in an embodiment of the present invention, the guide post in the column space includes a z-axis screw 71 and a z-axis lever 72, the top plate 21 includes two positioning holes respectively engaged with the z-axis screw 71 and the z-axis lever 72, the fixing cover 3 includes a screw blind hole 301 engaged with the z-axis screw 71 and a lever blind hole 302 engaged with the z-axis lever 72, the fixing cover 3 is configured to have a non-circular periphery, and the size of the upper portion of the fixing cover 3 is larger than that of the lower portion thereof, so that when the fixing cover 3 is initially installed in the fixing cover installation hole 102, the fixing cover 3 has a certain movement space in the horizontal direction, to adjust the blind lead screw hole 301 and the blind beam hole 302 to be aligned with the z-axis lead screw 71 and the z-axis beam 72 respectively, then, during the downward pressing of the fixed cover 3, the fixed cover 3 is interference fitted with the fixed cover mounting hole 102 and the two blind holes are respectively matched with the z-axis lead screw 71 and the z-axis polished bar 72. The lead screw blind hole 301 may be provided with a bearing therein to reduce the impact force on the door-shaped frame 1 when the z-axis lead screw 71 rotates, and to reduce the vibration of the door-shaped frame 1.

Alternatively, referring to fig. 1, 2 and 4, the top plate 21 includes a z-axis lever positioning hole 209, a z-axis motor mounting hole 208 and a z-axis motor fixing hole 207, the z-axis stepping motor may be disposed inside the bottom case 2, that is, inside the top plate 21, and the z-axis stepping motor and the top plate 21 are fixedly connected by a screw passing through the z-axis motor fixing hole 207. An output shaft of the z-axis stepping motor passes through the z-axis motor mounting hole 208 to be connected with the z-axis lead screw 71, and preferably, a coupler is arranged between the output shaft of the z-axis stepping motor and the z-axis lead screw 71. In addition, a driving device can be arranged in the column space, namely outside the top plate 21, so as to drive the z-axis lead screw 71 to rotate, and a positioning hole of the z-axis lead screw 71 is correspondingly arranged on the top plate 21.

Referring to fig. 8, in a preferred embodiment, the fixing cover mounting holes 102 of the beam 13 are disposed near the front connecting plate 112 and far from the rear connecting plate 111, so that the guide posts are also disposed toward the front side, so that the rear side of the column space has a larger space for mounting other components.

In a specific embodiment of the present invention, the beam plate 13, the two connecting plates and the two column plates 121 are integrally formed. The material of the door-shaped frame 1 and the manner of forming the door-shaped frame 1 are not limited in the embodiment of the present invention. When metal is adopted, the raw material of the metal frame can be galvanized steel, stainless steel or aluminum alloy and the like, and the metal frame is formed by welding, metal plate bending and other modes. It is understood that the material of the frame body of the bottom case 2 and the manner of forming the frame body are not limited in the embodiment of the present invention. When metal is adopted, the raw material of the metal frame body can be galvanized steel, stainless steel or aluminum alloy, and the metal frame body is formed by welding, metal plate bending and other modes.

Referring to fig. 9, in a preferred embodiment, the door frame 1 further includes a vertical plate 122, and two sides of the vertical plate 122 are respectively fixedly connected to two column plates 121 of the same column 12. The vertical plate 122 can be arranged in one upright post 12 of the door-shaped frame 1 or the vertical plates 122 can be arranged in both upright posts 12, and in each upright post 12, both sides of the vertical plate 122 are respectively fixedly connected with two post plates 121 so as to improve the structural strength of the upright posts 12. In one embodiment, the riser 122 is provided at the left end, i.e., at the outer end opening, of the left side column 12, such that the left side column 12 is stronger and the right side column 12 can be used to install components that require protruding column space. Further, the outer end opening edge of the right-side pillar 12 is provided with a third flange 123 projecting to the inside of the outer end opening. Further, the side of the pillar panel 121, the front connecting panel 112 and the rear connecting panel 111 at the doorway is provided with a fourth flange 124 projecting toward the inside of the doorway. Both the third flange 123 and the fourth flange 124 contribute to the structural strength of the door frame 1 without affecting the portions of the components mounted in the pillar space that protrude from the pillar space.

Referring to fig. 1 and 2, the bottom case 2 further includes a rear cover plate 5 and a display fixing plate 4; the rear cover plate 5 covers the rear opening of the frame body, the display fixing plate 4 covers the front opening of the frame body, and the outer normal of the outer side surface of the display fixing plate 4 and the outer normal of the outer side surface of the top plate 21 form an acute angle. The components can be taken and placed in the frame body through the front end opening and the rear end opening of the frame body, the rear end of the frame body is covered by the rear cover plate 5, and the front end opening of the frame body is covered by the display fixing plate 4, so that foreign matters are prevented from entering the inside of the frame body. Wherein, can also be provided with display and knob on the display fixed plate 4, the main part of display and knob is located 2 insides of under casing, and the display screen of display and the operating portion of knob pass through display fixed plate 4 and protrude outside under casing 2, and the outer normal that sets up 4 lateral surfaces of display fixed plate and the outer normal of roof 21 lateral surface are the acute angle, and display and knob arrange in the slant promptly, make things convenient for the operator to observe the display or control the knob.

Preferably, the edge of the front end opening is provided with a first flange protruding towards the inner side of the front end opening, and the display fixing plate 4 is connected with the first flange through a screw; the edge of the rear end opening is provided with a second flange 27 projecting to the inside of the rear end opening, and the rear cover plate 5 is connected with the second flange 27 by screws. In a specific embodiment, the front end of the bottom plate 22 protrudes from the front end of the top plate 21, and the front ends of the left and

right side plates

23 and 24 are respectively connected between the bottom plate 22 and the top plate 21 in an inclined manner. The front end of the left side plate 23 is provided with a left front first flange 25 protruding towards the inner side of the front end opening, the front end of the right side plate 24 is provided with a right front first flange 26 protruding towards the inner side of the front end opening, the display fixing plate 4 is connected with the left front first flange 25 and the right front first flange 26 through screws, and the angle which the display fixing plate 4 needs to reach can be conveniently realized through the arrangement. A second flange 27 protruding toward the inside of the rear end opening is provided around the edge of the rear end opening, and the rear cover 5 is connected to the second flange 27 by screws.

Preferably, one or more of the left side plate 23, the right side plate 24, the bottom plate 22, and the rear cover 5 is provided with a vent hole 213. The ventilation hole 213 can radiate heat to the electric components in the bottom case 2. Preferably, the bottom plate 22 is provided with an anchor fixing hole 210, and an anchor may be disposed at the anchor fixing hole 210. The feet support the bottom box 2, so that the bottom plate 22 has a better heat dissipation effect.

Referring to fig. 2, preferably, the box-type mounting frame further includes a plurality of corner seats 6, and the corner seats 6 are disposed on the top plate 21 and fixedly connected to the upright posts 12. The corner seat 6 is arranged on the outer side of the top plate 21, the corner seat 6 comprises two fixing surfaces, one fixing surface is attached to the outer side surface of the top plate 21, and the other fixing surface is attached to the side surface of the stand column 12. Referring to fig. 4 and 7, the upright post 12 of the door frame 1 includes a first connecting hole 101, the top plate 21 of the bottom case 2 includes a second connecting hole 206, the bottom case 2 and the corner base 6 are fixedly connected by screws inserted into the second connecting hole 206, and the door frame 1 and the corner base 6 are fixedly connected by screws inserted into the first connecting hole 101. A plurality of corner seats 6 may be respectively disposed at different positions of the upright post 12 to improve the connection strength, and preferably, the corner seats 6 are right-angle seats.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, an embodiment of the present invention provides a 3D printer, including the above-mentioned box-type mounting frame. For example, a Fused Deposition Modeling (FDM) 3D printer includes a controller, an x-axis motion mechanism, a y-axis motion mechanism, a z-axis motion mechanism, and a printer.

The y-axis movement mechanism comprises two y-axis polished rods, and two ends of each y-axis polished rod are respectively provided with a y-axis polished rod fixing seat. The front portion of the top plate 21 comprises two y-axis light bar positioning holes 201 which are arranged at intervals, the rear portion of the top plate is provided with two corresponding y-axis light bar positioning holes 201, and a y-axis fixing seat is arranged in each y-axis light bar positioning hole 201 to enable the two y-axis light bars to be arranged in parallel. y-axis motion still includes y axle step motor, y axle motor belt pulley, y axle auxiliary pulley and y axle belt, the front portion of roof 21 is including the y axle auxiliary pulley fixed orifices 205 that is used for fixed y axle auxiliary pulley, the rear portion of roof 21 includes y axle motor mounting hole 203 and sets up in the y axle motor fixed orifices 202 of y axle motor mounting hole periphery, it is specific, y axle step motor sets up in roof 21 inboard, y axle step motor and roof 21 are through wearing to establish the screw fixed connection in y axle motor fixed orifices, y axle step motor's output shaft passes y axle motor mounting hole 203 and is connected with y axle motor belt pulley, y axle belt sleeve is located y axle motor belt pulley and y axle auxiliary pulley periphery.

The y-axis movement mechanism further comprises a sliding seat, an object carrying platform and a y-axis limit switch, the sliding seat is connected with the two y-axis light rods in a sliding mode and fixedly connected with a y-axis belt, adjusting screws are arranged at four corners of the sliding seat respectively, the object carrying platform is arranged on the top ends of the four adjusting screws, and the object carrying platform is leveled by adjusting the four adjusting screws. The top plate 21 is provided with a y-axis limit switch positioning hole 204 for mounting a y-axis limit switch, and the y-axis limit switch is triggered when the sliding seat moves to a set position and sends a y-axis limit signal to the control device.

The z-axis motion mechanism includes two z-axis screws 71, two z-axis optical levers 72, and two sliders. A z-axis lead screw 71, a z-axis polished rod 72 and a sliding block are arranged in each upright column space, the z-axis lead screw 71 is in threaded fit with the sliding block, the z-axis lead screw 71 is controlled by a control device to rotate, and the rotation of the z-axis lead screw 71 can control the sliding block to move up and down along the vertical direction due to the fact that the z-axis polished rod 72 is in sliding fit with the sliding block. The z-axis motion mechanism further comprises a z-axis limit switch, and the top plate 21 comprises a z-axis limit switch positioning hole 211 for mounting the z-axis limit switch at a position corresponding to the column space. The z-axis limit switch is triggered when the slide block moves to a set position, and sends a z-axis limit signal to the control device.

The x-axis movement mechanism comprises an x-axis light bar, an x-axis stepping motor, two x-axis belt pulleys and an x-axis belt, the x-axis light bar is fixed between the two sliding blocks, the x-axis stepping motor is fixed on one sliding block and protrudes out of an outer end opening of the space of the upright column, one x-axis belt pulley is connected with an output shaft of the x-axis stepping motor, the other x-axis belt pulley is arranged on the other sliding block, the x-axis belt is sleeved on the peripheries of the two x-axis belt pulleys, and the x-axis stepping motor drives the x-axis.

The printing device comprises a printer head and a feeding device, the printer head is connected with the x-axis polishing rod in a sliding mode and fixedly connected with the x-axis belt, and the printer head slides along the x-axis polishing rod under the driving of the x-axis belt. The feeding device is arranged beside the box type mounting frame and used for conveying 3D printed raw materials to the printer head.

In addition, the top plate 21 is provided with a sleeve through hole 212, which can be used for penetrating a data transmission line and the like, so that the control device in the bottom box 2 is conveniently electrically connected with the components arranged on the portal frame 1, such as the printer head, thereby avoiding the longer drag line, and reducing the influence of the longer drag line on the precision of the components on the portal frame 1. Still be provided with power supply hole 214 on left side board 23 or the right side board 24, with the power setting in under casing 2, only wear out a power cord from power supply hole 214 and connect the electricity, further reduced the embodiment of the utility model provides a 3D printer is convenient for assemble, dismantle or carry the 3D printer at the outside part that sets up of box formula mounting bracket.

Preferably, the length of the column space in the front-back direction is shorter than that of the top plate 21, and the column space and the front end and the rear end of the top plate 21 are spaced, so that more operation space is provided on the top plate 21, for example, when a part of the loading platform moves to the front of the portal frame 1, a part of the table top of the loading platform protruding out of the portal frame 1 can be operated in the front direction, the left direction and the right direction, so that the space utilization rate is improved, and the loading and unloading of products are facilitated.

The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

In the description of the present specification, reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a box body formula mounting bracket, a serial communication port, including under casing and door shape frame, the under casing includes roof, bottom plate, left side board and right side board, the roof the bottom plate the left side board with the right side board forms the framework, the framework includes front end opening and rear end opening, door shape frame includes crossbeam and two stands, two the upper end of stand respectively with the both ends of crossbeam are connected, two the lower extreme of stand respectively with the roof is connected, in two stands one with the left side board laminating, another with the right side board laminating.

2. The box mount of claim 1, wherein the cross beam comprises a beam plate and two connecting plates on either side of the beam plate;

every the stand includes two column plates that relative setting, every the upper end of column plate with one the connecting plate is connected, and is same in the stand two constitute the stand space between the column plate.

3. The box type mounting rack according to claim 2, wherein a fixing cover mounting hole is formed in a region of the beam plate corresponding to the column space, the fixing cover mounting hole is a non-circular hole, a fixing cover is arranged in the fixing cover mounting hole, and the fixing cover is in interference fit with the fixing cover mounting hole;

a guide pillar is arranged between the fixed cover and the top plate, a blind hole matched with the guide pillar is formed in the fixed cover, and a positioning hole matched with the guide pillar is formed in the top plate.

4. The box mount of claim 2, wherein the beam plate, the two connecting plates, and the two column plates are of integrally formed construction.

5. The box mount of claim 2, wherein the door frame further comprises a riser, and wherein two sides of the riser are respectively fixedly connected to two column plates of the same column.

6. The box mount of claim 1, wherein the bottom box further comprises a back cover plate and a display mounting plate;

the rear cover plate is used for sealing the rear end opening of the frame body, the display fixing plate is used for sealing the front end opening of the frame body, and an acute angle is formed between the outer normal of the outer side surface of the display fixing plate and the outer normal of the outer side surface of the top plate.

7. The box mount of claim 6, wherein the edge of the front opening is provided with a first flange protruding inward of the front opening, and the display fixing plate is connected to the first flange by a screw;

the edge of the rear end opening is provided with a second flange protruding towards the inner side of the rear end opening, and the rear cover plate is connected with the second flange through screws.

8. The box mount of claim 6, wherein one or more of the left side plate, the right side plate, the bottom plate, and the back cover plate are provided with vent holes.

9. The box mount of claim 1, further comprising a plurality of corner mounts disposed on the top plate and fixedly connected to the vertical posts.

10. A 3D printer comprising a box mount as claimed in any one of claims 1 to 9.