CN218256803U

CN218256803U - Automatic shovel mould device and 3D printing apparatus

Info

Publication number: CN218256803U
Application number: CN202222255065.3U
Authority: CN
Inventors: 陈春; 陈晓婵
Original assignee: Shenzhen Chuangxiang 3D Technology Co Ltd
Current assignee: Shenzhen Chuangxiang 3D Technology Co Ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-10
Anticipated expiration: 2032-08-26
Also published as: WO2024041109A1

Abstract

The utility model relates to an automatic shovel mould device and 3D printing apparatus. The device comprises a frame, a cutting assembly and a driving assembly; the frame is provided with an avoiding opening and is used for connecting the forming platform so that the model adhered to the forming platform extends out of the avoiding opening; the cutting assembly is connected with the rack in a sliding manner and comprises a blade, and the blade is arranged at an included angle relative to the forming surface of the forming platform; the driving assembly is connected to the rack and used for driving the blade to move along a first direction, so that the blade cuts the model on the forming platform in a shoveling manner, the model is separated from the forming platform, and the first direction is parallel to the forming surface. The shaping platform is connected in the frame, and the model of adhesion stretches out from dodging mouthful department on the shaping platform, and the contained angle setting is personally submitted to the shaping of the relative shaping platform of blade, then when drive assembly drive blade when the model removes, the model can be cut to the blade shovel, realizes model and profile separation to labour saving and time saving has reduced the drawing of patterns degree of difficulty, has improved drawing of patterns efficiency.

Description

Automatic shovel mould device and 3D printing apparatus

Technical Field

The utility model relates to a photocuring 3D prints technical field, especially relates to automatic shovel mould device and 3D printing apparatus.

Background

Along with the development of 3D printing technique, photocuring 3D printing technique has appeared, present photocuring 3D prints mainly stretch into the printing material of printing device silo inside with photocuring printing device's shaping platform to shine the printing material of photocuring printing device silo inside through ultraviolet source, make printing material realize the photocuring effect between type membrane and shaping platform, and finally form required shaping model on shaping platform. After the large-size model is printed, the user is difficult to realize that the model is separated from the forming platform by using a scraper knife for shoveling and the like, and the demolding efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to be to the completion of large-size model printing after, the user adopts modes such as the use scraper knife of spading to realize that it is comparatively difficult when model and shaping platform break away from, has influenced the technical problem of drawing of patterns efficiency, provides an automatic shovel mould device.

An automatic mould shoveling device for shoveling and cutting a model on a forming platform, the automatic mould shoveling device comprises:

the frame is provided with an avoidance opening and is used for connecting the forming platform so that the model adhered to the forming platform extends out of the avoidance opening;

the cutting assembly is connected to the rack in a sliding mode and comprises a blade, and the blade is arranged in an included angle relative to the forming surface of the forming platform;

the drive assembly is connected to the frame, and the drive assembly is used for driving the blade to remove along the first direction to make the model on the blade shovel cuts the shaping platform, realize model and shaping platform separation, wherein first direction is parallel with the profiled surface.

In one embodiment, the rack comprises a middle plate and a column;

one end of the upright post is connected with the middle plate, and the upright post is used for supporting the middle plate; dodge the mouth and run through and set up on the medium plate, one side of medium plate is arranged in to the shaping platform, and the model of adhesion is followed on the shaping platform one side of medium plate is passed dodge the mouth orientation the opposite side of medium plate stretches out.

In one embodiment, the automatic die shoveling device further comprises a fastener, the fastener is arranged on the middle plate and located on at least one side of the avoidance opening, and the fastener is used for pressing the forming platform on the middle plate.

In one embodiment, the middle plate is provided with a fixing groove, the fixing groove is sunken from the surface of one side of the middle plate to the other side, and the fixing groove is communicated with the avoiding opening;

the groove bottom wall of the fixing groove is used for supporting the forming platform, and the groove side wall of the fixing groove is used for limiting the forming platform to move relative to the fastener.

In one embodiment, the automatic mold shoveling device further comprises a containing groove, the rack further comprises a bottom plate, one end, deviating from the middle plate, of the stand column is connected to the bottom plate, the containing groove is arranged on the bottom plate, the notch of the containing groove faces the avoiding opening, and the containing groove is used for containing a mold separated from the forming platform.

In one embodiment, the cutting assembly further comprises a fixing member, a supporting member and a connecting member, the supporting member is connected to the power output end of the driving assembly, the fixing member is provided with a connecting through hole, the blade is arranged on the fixing member, and the connecting member passes through the connecting through hole and is used for connecting the fixing member to the supporting member;

a movable gap is arranged between the hole wall of the connecting through hole and the connecting piece in the vertical direction, so that the position of the fixing piece relative to the supporting piece in the vertical direction can be adjusted.

In one embodiment, the fixing member includes a first fixing block and a second fixing block, the connecting through hole is disposed on the second fixing block, the first fixing block is connected to the second fixing block, and the blade is clamped between the first fixing block and the second fixing block.

In one embodiment, the first fixing block is provided with a positioning piece which extends towards the blade and is pressed against the blade, and the length of the positioning piece between the first fixing block and the blade is adjustable so as to limit the blade to move relative to the first fixing block.

In one embodiment, the driving assembly comprises a driving part, a driving wheel, a driven wheel, a conveying belt and two screw rods extending along a first direction;

the driving part is connected to the frame, two lead screws are connected to the shoveling and cutting assembly, one end of one lead screw is connected to the power output end of the driving part, the other end of the one lead screw is connected to the driving wheel, the driven wheel is connected to the other lead screw, the conveying belt is tensioned by the driving wheel and the driven wheel, when the driving part drives the driving wheel to rotate, the conveying belt performs closed annular motion along the second direction, so that the two lead screws synchronously rotate to drive the shoveling and cutting assembly to move along the first direction, and the second direction is perpendicular to the first direction.

In one embodiment, the automatic die shoveling device further comprises a tension wheel and a tension seat;

the take-up pulley is connected in the tensioning seat, and the tensioning seat is connected in the frame, and the take-up pulley can move along vertical direction relative to the tensioning seat to adjust the tensioning degree of conveyer belt.

A3D printing apparatus comprises the automatic mold shoveling device.

Has the beneficial effects that:

the embodiment of the utility model provides an automatic mould shoveling device, which is used for shoveling and cutting a model on a forming platform and comprises a frame, a shoveling and cutting assembly and a driving assembly; the frame is provided with an avoiding opening and is used for connecting the forming platform so that the model adhered to the forming platform extends out of the avoiding opening; the cutting assembly is connected with the rack in a sliding manner and comprises a blade, and the blade is arranged at an included angle relative to the forming surface of the forming platform; the driving assembly is connected to the rack and used for driving the blade to move along a first direction, so that the blade cuts the model on the forming platform in a shoveling manner, the model is separated from the forming platform, and the first direction is parallel to the forming surface. Connect in the frame through the shaping platform in this application, and make the model of adhesion stretch out from dodging mouthful department on the shaping platform, because the contained angle setting is personally submitted to the shaping of the relative shaping platform of blade, then when drive assembly drive blade moved towards the model, the model can be downcut to the blade, realizes model and shaping platform separation to labour saving and time saving has reduced the drawing of patterns degree of difficulty, has improved drawing of patterns efficiency.

The utility model provides a 3D printing apparatus, including foretell automatic shovel mould device, can realize above-mentioned at least one technological effect.

Drawings

Fig. 1 is a schematic view of an automatic mold shoveling device according to an embodiment of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a schematic view illustrating a connection between a cutting assembly and a driving assembly in an automatic mold shoveling device according to an embodiment of the present invention;

fig. 4 is an exploded view of an automatic mold shoveling device according to an embodiment of the present invention;

fig. 5 is a partial exploded view of an automatic mold shoveling device according to an embodiment of the present invention.

Reference numerals:

100-a frame; 110-middle plate; 111-avoidance ports; 112-fixed slot; 113-a second adjustment aperture; 120-column; 130-a backplane; 140-a receiving groove; 141-a handle; 200-a fastener; 300-a cutting assembly; 310-a blade; 320-a fixing member; 321-connecting vias; 322-a first fixed block; 323-second fixed block; 324-positioning vias; 330-a support; 400-a drive assembly; 410-a drive member; 420-a screw rod; 430-a driving wheel; 440-driven wheel; 450-a conveyor belt; 460-a tensioning wheel; 461-guide groove; 470-tensioning seat; 472-a second locking member; 473-a first adjustment aperture; 480-a screw rod seat; 500-forming a platform.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

Referring to fig. 1 and 2, fig. 1 is a schematic view of an automatic mold shoveling device according to an embodiment of the present invention;

fig. 2 is an enlarged view of a point a in fig. 1. The utility model provides an embodiment provides an automatic mould shoveling device, which is used for shoveling and cutting a model on a forming platform 500, and comprises a frame 100, a shoveling and cutting assembly 300 and a driving assembly 400; the frame 100 is provided with an avoidance port 111, and the frame 100 is used for connecting the forming platform 500, so that the model adhered on the forming platform 500 extends out of the avoidance port 111; the cutting assembly 300 is slidably connected to the frame 100, the cutting assembly 300 includes a blade 310, and the blade 310 is disposed at an included angle with respect to the forming surface of the forming platform 500; the driving assembly 400 is connected to the frame 100, and the driving assembly 400 is used for driving the blade 310 to move along a first direction, so that the blade 310 cuts the model on the forming platform 500, and the model is separated from the forming platform 500, wherein the first direction is parallel to the forming surface.

Specifically, connect in frame 100 through forming platform 500 in this application, and make the model of adhesion stretch out from dodging mouthful 111 on forming platform 500, and blade 310 personally submits the contained angle setting relative forming platform 500's shaping, then when drive assembly 400 drive blade 310 moves towards the model, the model can be downcut to blade 310, realizes model and forming platform 500 separation, thereby labour saving and time saving has reduced the drawing of patterns degree of difficulty, has improved drawing of patterns efficiency. Wherein, first direction is parallel with the profiled surface to make the model cut the terminal surface and have the terminal surface of parallel and level, the post processing of being convenient for, thereby improved the precision of drawing of patterns. Preferably, the number of the pillars 120 is four, and the pillars are connected to four corners of the middle plate 110, respectively.

Further, the first direction is the width direction of the forming platform 500, so that the moving path of the blade 310 can be shortened, the moving time of the blade 310 is shortened, and the demolding efficiency is improved.

Referring to fig. 1, in one embodiment, a rack 100 includes a middle plate 110 and a column 120; one end of the upright 120 is connected to the middle plate 110, and the upright 120 is used for supporting the middle plate 110; the avoiding opening 111 is arranged on the middle plate 110 in a penetrating manner, the forming platform 500 is arranged on one side of the middle plate 110, and the model adhered on the forming platform 500 extends out from one side of the middle plate 110 towards the other side of the middle plate 110 through the avoiding opening 111.

Specifically, the blade 310 is disposed on the other side of the middle plate 110, when the driving assembly 400 drives the blade 310 to move along the first direction, because the blade 310 and the forming surface of the forming platform 500 form an included angle, the cutting edge of the blade 310 can cut into the space between the edge of the model and the forming surface first, and in the process that the blade 310 moves along the first direction along with the driving assembly 400, the cutting edge can cut the model, so that the connection area between the model and the forming surface is gradually reduced until the blade 310 moves to the outer side of the model, thereby separating the model from the forming platform 500.

Referring to fig. 1, in one embodiment, the forming platform 500 is located above the middle plate 110, the pattern adhered to the forming platform 500 extends downward from the relief opening 111, and the blade 310 is located below the middle plate 110. When the blade 310 is in the process of cutting the model, the connection area between the model and the molding surface is gradually reduced, and the notch between the model and the molding surface towards one side of the blade 310 is gradually increased under the action of the gravity of the model, so that the contact area between the blade 310 and the model can be reduced, the friction force between the blade 310 and the model is reduced, the blade 310 can move more smoothly along the first direction, and the demolding efficiency is improved. When the mold and the molding surface are completely separated under the action of the blade 310, the mold can be separated from the molding surface under the action of gravity, so that demolding is realized.

In other embodiments, the forming platform 500 is located below the middle plate 110, the pattern adhered to the forming platform 500 extends upward from the relief opening 111, and the blade 310 is located above the middle plate 110. Separation of the mold from the molding platform 500 is achieved when the blade 310 is moved from one side of the mold to the other side of the mold, at which time the mold may be removed by a robot or manual operation, thereby preventing damage to the mold.

It should be noted that, in the present embodiment, the forming platform 500 is located above the middle plate 110 as an example.

Referring to fig. 1, in one embodiment, the size of the escape opening 111 in the first direction is larger than the size of the forming platform 500, the blade 310 is located below the escape opening 111, and the cutting edge of the blade 310 is used to be tangential to the forming surface.

Specifically, the two ends of the forming platform 500 along the second direction are supported by the middle plate 110, and the avoiding opening 111 can avoid the cutting edge of the blade 310, so as to avoid the cutting edge from contacting the middle plate 110 to damage the middle plate 110. When the driving assembly 400 drives the blade 310 to move to the lower part of the forming platform 500 along the first direction, the cutting edge of the blade 310 is tangent to the forming surface, so that the blade 310 can cut off the complete model, and the demolding precision is improved. It should be noted that during the die cutting process of the blade 310, the blade 310 forms an obtuse angle with the moving direction thereof, so as to ensure that the blade edge contacts the die first. Wherein the second direction is the length direction of the forming table 500.

Referring to fig. 1, in one embodiment, the automatic mold shoveling apparatus further includes a receiving groove 140, the frame 100 further includes a bottom plate 130, an end of the upright post 120 facing away from the middle plate 110 is connected to the bottom plate 130, the receiving groove 140 is disposed on the bottom plate 130, a notch of the receiving groove 140 faces the avoiding opening 111, and the receiving groove 140 is used for receiving a mold detached from the forming platform 500.

Specifically, the accommodating groove 140 is located below the avoiding opening 111, and after the mold is separated from the forming platform 500, the mold drops into the accommodating groove 140 under the action of gravity, thereby facilitating the recycling of the mold.

Further, a handle 141 is disposed on one side of a wall of the receiving groove 140, and the receiving groove 140 can move relative to the bottom plate 130, so that an operator can push and pull the receiving groove 140 through the handle 141, and can take out the mold from the receiving groove 140.

Referring to fig. 1 and 2, in one embodiment, the automatic molding device further includes a fastener 200, the fastener 200 is disposed on the middle plate 110 and located on at least one side of the avoiding opening 111, and the fastener 200 is used for pressing the molding platform 500 against the middle plate 110.

Specifically, the fastener 200 is located on at least one side of the second direction of the avoiding opening 111, and the fastener 200 can press the forming platform 500 onto the middle plate 110 to limit the forming bearing platform to move relative to the middle plate 110, so that the blade 310 can stably cut the model, and the demolding precision is improved. Preferably, the fastener 200 is located at both sides of the escape hole in the second direction.

Further, the forming platforms 500 with different sizes can be pressed on the middle plate 110 through the fasteners 200, so that the blades 310 can cut models with different sizes, and the adaptability of the automatic die shoveling device is improved. Preferably, fastener 200 is a quick clamp.

Referring to fig. 1 and 2, in one embodiment, the middle plate 110 is provided with a fixing groove 112, the fixing groove 112 is recessed from a surface of one side of the middle plate 110 to the other side, and the fixing groove 112 is communicated with the escape opening 111; the groove bottom wall of the fixing groove 112 is used for supporting the molding platform 500, and the groove side wall of the fixing groove 112 is used for limiting the movement of the molding platform 500 relative to the fastener 200.

Specifically, forming platform 500 is arranged in on the tank bottom wall of fixed slot 112 along the both ends of second direction, when being located forming platform 500 and compressing tightly forming platform 500 in the tank bottom wall of fixed slot 112 along the active grab of second direction one side, the active force along the second direction can be applyed for forming platform 500 to the active grab, and the setting of fixed slot 112, make the groove lateral wall of fixed slot 112 can butt in forming platform 500 along the both sides of second direction, thereby can restrict forming platform 500 and remove along the second direction, and then improved forming platform 500's stability, the accuracy when having improved blade 310 and cut the model.

Referring to fig. 1, 2 and 3, fig. 3 is a schematic view illustrating a connection between a cutting assembly and a driving assembly in an automatic mold shoveling device according to an embodiment of the present invention. In one embodiment, the cutting assembly 300 further includes a fixing member 320, a supporting member 330, and a connecting member, the supporting member 330 is connected to the power output end of the driving assembly 400, the fixing member 320 is provided with a connecting through hole 321, the blade 310 is disposed on the fixing member 320, and the connecting member passes through the connecting through hole 321 and is used for connecting the fixing member 320 to the supporting member 330; the hole wall of the connecting through hole 321 and the connecting member have a movable gap therebetween in the vertical direction for adjusting the position of the fixing member 320 relative to the supporting member 330 in the vertical direction.

Specifically, the driving assembly 400 is used to drive the supporting member 330 to move in a first direction, so as to drive the fixing member 320 and the blade 310 to move in the first direction. Because the fixing member 320 is connected with the supporting member 330 through the connecting member, and a movable gap is formed between the hole wall of the connecting through hole 321 and the connecting member in the vertical direction, the position of the fixing member 320 relative to the supporting member 330 in the vertical direction is adjusted by adjusting the relative position of the connecting member and the hole wall of the connecting through hole 321 in the vertical direction, and the position of the cutting edge of the blade 310 relative to the molding surface is adjusted, so that the cutting edge of the blade 310 can be accurately tangent to the molding surface, and the demolding precision is improved.

Further, the connecting member is threadedly coupled to the supporting member 330, and by rotating the connecting member, the fixing member 320 can be loosened with respect to the supporting member 330, thereby facilitating adjustment of the position of the fixing member 320 with respect to the supporting member 330 in the vertical direction; by rotating the connecting member in the opposite direction, the fixing member 320 can be abutted against the supporting member 330, so that the fixing member 320 is stably connected with the supporting member 330. Preferably, the connector is a screw.

Referring to fig. 3 and 4, fig. 4 is an exploded view of an automatic mold shoveling device according to an embodiment of the present invention. In one embodiment, the fixing member 320 includes a first fixing block 322 and a second fixing block 323, the connecting hole 321 is disposed on the second fixing block 323, the first fixing block 322 is connected to the second fixing block 323, and the blade 310 is clamped between the first fixing block 322 and the second fixing block 323.

Specifically, the first fixing block 322 and the second fixing block 323 are connected by a screw, and the position between the cutting edge of the blade 310 and the molding surface is adjusted by adjusting the position between the second fixing block 323 and the support 330 in the vertical direction. The blade 310 is clamped by the first fixing block 322 and the second fixing block 323, so that the blade 310 can be stably clamped, the accuracy of the blade 310 in die cutting of the model is improved, and meanwhile, the first fixing block 322 and the second fixing block 323 are detachably connected, so that the blade 310 is convenient to replace.

Further, a placing groove is formed in the second fixing block 323, and one side, away from the cutting edge, of the blade 310 abuts against the groove wall of the placing groove, so that the blade 310 is limited, and the stability of installation of the blade 310 is improved.

Referring to fig. 2 and 3, in one embodiment, the first fixing block 322 is provided with a positioning element extending toward the blade 310 and abutting against the blade 310, and the length of the positioning element between the first fixing block 322 and the blade 310 is adjustable to limit the movement of the blade 310 relative to the first fixing block 322.

Specifically, the first fixing block 322 is provided with a positioning through hole 324, the positioning element passes through the positioning through hole 324 and is in threaded connection with the hole wall of the positioning through hole 324, and the length of the positioning element between the first fixing block 322 and the blade 310 is adjusted by rotating the positioning element, so that the pressing degree of the positioning element on the blade 310 can be adjusted, the blade 310 is limited, and the stability of connection between the blade 310 and the fixing element 320 is improved. Preferably, the positioning member is a screw.

Referring to fig. 3, 4, and 5, fig. 5 is a partial exploded view of an automatic mold shoveling device according to an embodiment of the present invention. In one embodiment, the driving assembly 400 includes a driving member 410, a driving wheel 430, a driven wheel 440, a transmission belt 450, and two lead screws 420 extending in a first direction; the driving member 410 is connected to the frame 100, the two lead screws 420 are both connected to the cutting assembly 300, one end of one lead screw 420 is connected to the power output end of the driving member 410, the other end of the one lead screw is connected to the driving wheel 430, the driven wheel 440 is connected to the other lead screw 420, the conveyor belt 450 is tensioned by the driving wheel 430 and the driven wheel 440, when the driving wheel 430 is driven by the driving member 410 to rotate, the conveyor belt 450 performs closed circular motion along a second direction, so that the two lead screws 420 synchronously rotate to drive the cutting assembly 300 to move along the first direction, wherein the second direction is perpendicular to the first direction.

Specifically, the driving assembly 400 further includes a screw seat 480, the screw 420 is connected to the middle plate 110 through the screw seat 480, and both ends of the support 330 in the second direction are respectively connected to the two screws 420. For convenience of description, the lead screw 420 connected to the driving member 410 is defined as a first lead screw, and the other is defined as a second lead screw. The driving member 410 drives the first lead screw to drive the driving wheel 430 to rotate, and the driven wheel 440 drives the second lead screw to rotate synchronously through the transmission of the transmission belt 450, since the two ends of the supporting member 330 are connected to the first lead screw and the second lead screw respectively, the supporting member 330 cannot rotate, and the supporting member 330 moves along the first direction, so as to drive the cutting assembly 300 to move along the first direction.

The arrangement of the two screw rods 420 improves the moving stability of the cutting assembly 300, and the arrangement of the driving wheel 430, the driven wheel 440 and the conveyor belt 450 enables the first screw rod and the second screw rod to synchronously rotate, so that the moving stability of the cutting assembly 300 is ensured, and meanwhile, the rotation of the two screw rods 420 is realized through one driving part 410, so that the energy is saved. Preferably, the drive member 410 is a motor.

Referring to fig. 2, 3 and 4, in one embodiment, the automatic die-shoveling apparatus further includes a tensioning wheel 460 and a tensioning seat 470; the tensioning wheel 460 is attached to the tensioning mount 470, the tensioning mount 470 is attached to the frame 100, and the tensioning wheel 460 is vertically movable relative to the tensioning mount 470 to adjust the tension in the belt 450.

Specifically, the tension seat 470 is attached to the middle plate 110, and the automatic die cutting device further includes a first locking member, which is provided with a first adjustment hole 473 through which the first locking member passes through the first adjustment hole 473 and is used to fixedly attach the tension pulley 460 to the tension seat 470. There is a moving gap between the hole wall of the first adjusting hole 473 and the first locking member in the vertical direction, so that the position of the tension pulley 460 in the vertical direction with respect to the middle plate 110 is adjusted by adjusting the relative position of the first locking member in the vertical direction with respect to the hole wall of the first adjusting hole 473, thereby adjusting the degree of tension of the belt 450 by the tension pulley 460. Preferably, the first locking member is a screw.

Referring to fig. 2 and 4, in one embodiment, the tensioning wheel 460 is provided with a guiding groove 461, the guiding groove 461 is disposed along the circumferential direction of the tensioning wheel 460, the belt 450 is partially accommodated in the guiding groove 461, and the guiding groove 461 is used for guiding the belt 450 to perform a closed loop movement along the second direction.

Specifically, the conveyor belt 450 is accommodated in the guide groove 461, and a groove wall of the guide groove 461 is used for limiting the conveyor belt 450 accommodated in the guide groove 461, so that the conveyor belt 450 can stably perform closed circular motion along the second direction, thereby stably performing transmission. Preferably, the guide groove 461 is provided along the entire circumference of the tension pulley 460.

Further, a second adjusting hole 113 is formed on the middle plate 110, and the automatic die-cutting device further includes a second locking member 472, wherein the second locking member 472 passes through the second adjusting hole 113 and is used for fixedly connecting the tensioning seat 470 to the middle plate 110. The hole wall of the second adjusting hole 113 and the second locking member 472 have a clearance therebetween in the second direction, and by adjusting the relative position of the second locking member 472 in the second direction with respect to the hole wall of the second adjusting hole 113, the position of the tension seat 470 in the second direction with respect to the middle plate 110 is adjusted, so that the position of the tension wheel 460 with respect to the belt 450 is adjusted, and the belt 450 can be partially accurately accommodated in the guide groove 461 in the first direction. Preferably, the second locking member 472 is a screw.

The embodiment of the utility model provides a still provide a 3D printing apparatus, including foretell automatic shovel mould device. This equipment realizes the separation of model and forming platform 500 through automatic shovel mould device to labour saving and time saving has reduced the drawing of patterns degree of difficulty, has improved drawing of patterns efficiency, and then has improved 3D printing apparatus's printing efficiency.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an automatic shovel mould device for the model on the shaping platform is cut to shovel, its characterized in that, automatic shovel mould device includes:

the cutting assembly is connected to the rack in a sliding mode and comprises a blade, and the blade is arranged at an included angle relative to the forming surface of the forming platform;

the driving assembly is connected to the rack and used for driving the blade to move along a first direction, so that the blade shovels and cuts the model on the forming platform, the model is separated from the forming platform, and the first direction is parallel to the forming surface.

2. The automatic mold shoveling apparatus of claim 1, wherein the frame comprises a middle plate and a pillar;

one end of the upright post is connected with the middle plate, and the upright post is used for supporting the middle plate; the avoiding opening is arranged on the middle plate in a penetrating mode, the forming platform is arranged on one side of the middle plate, and a model adhered to the forming platform penetrates through one side of the middle plate and extends out towards the other side of the middle plate from the avoiding opening.

3. The automatic die shoveling device according to claim 2, further comprising a fastener disposed on the middle plate and located on at least one side of the avoiding opening, the fastener being configured to press the forming platform against the middle plate.

4. The automatic mold shoveling device of claim 3, wherein the middle plate is provided with fixing grooves which are recessed from a surface of one side of the middle plate to the other side, and the fixing grooves are communicated with the avoidance port;

the groove bottom wall of the fixed groove is used for supporting the forming platform, and the groove side wall of the fixed groove is used for limiting the forming platform to move relative to the fastener.

5. The automatic mold shoveling device of claim 2, further comprising a receiving groove, wherein the frame further comprises a bottom plate, one end of the upright column departing from the middle plate is connected to the bottom plate, the receiving groove is disposed on the bottom plate, a notch of the receiving groove faces the avoiding opening, and the receiving groove is used for receiving the model detached from the forming platform.

6. The automatic die shoveling device according to any one of claims 1 to 5, wherein the die shoveling and cutting assembly further comprises a fixing member, a supporting member and a connecting member, the supporting member is connected to the power output end of the driving assembly, the fixing member is provided with a connecting through hole, the blade is arranged on the fixing member, and the connecting member passes through the connecting through hole and is used for connecting the fixing member to the supporting member;

and a movable gap is formed between the hole wall of the connecting through hole and the connecting piece in the vertical direction, so that the position of the fixing piece relative to the supporting piece in the direction perpendicular to the forming surface can be adjusted.

7. The automatic die shoveling device of claim 6, wherein the fixing member comprises a first fixing block and a second fixing block, the connecting through hole is provided on the second fixing block, the first fixing block is connected to the second fixing block, and the blade is clamped between the first fixing block and the second fixing block.

8. The automatic die shoveling device of claim 7, wherein a positioning member extending towards the blade and abutting against the blade is disposed on the first fixing block, and the length of the positioning member between the first fixing block and the blade is adjustable to limit the movement of the blade relative to the first fixing block.

9. The automatic die cutting device as claimed in any one of claims 1 to 5, wherein the drive assembly comprises a drive member, a drive wheel, a driven wheel, a conveyor belt and two lead screws extending in the first direction;

the driving piece is connected with the frame, two lead screws are connected with the cutting assembly, one end of each lead screw is connected with the power output end of the driving piece, the other end of each lead screw is connected with the driving wheel, the driven wheel is connected with the other lead screw, the conveying belt is tensioned with the driving wheel and the driven wheel, the driving piece drives the driving wheel to rotate, the conveying belt is in closed annular motion along a second direction, so that the two lead screws rotate synchronously to drive the cutting assembly to move along the first direction, and the second direction is perpendicular to the first direction.

10. The automatic die cutting apparatus of claim 9, further comprising a tensioning wheel and a tensioning mount;

the tensioning wheel is connected to the tensioning seat, the tensioning seat is connected to the rack, and the tensioning wheel can move in the vertical direction relative to the tensioning seat to adjust the tensioning degree of the conveyor belt.

11. A 3D printing apparatus comprising the automatic mold shoveling device of any one of claims 1 to 10.