CN114516173A

CN114516173A - Mould taking device and 3D printing equipment

Info

Publication number: CN114516173A
Application number: CN202210182457.3A
Authority: CN
Inventors: 陈春; 陈述泉; 陈晓婵
Original assignee: Shenzhen Chuangxiang 3D Technology Co Ltd
Current assignee: Shenzhen Chuangxiang 3D Technology Co Ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-05-20
Anticipated expiration: 2042-02-25
Also published as: CN114516173B

Abstract

The invention relates to a mold taking device which comprises a movable guide plate and a bearing supporting plate. The movable guide plate is used for being connected with the rack in a sliding mode, the movable guide plate is provided with a sliding groove, the sliding groove comprises a first sliding groove and a second sliding groove which are connected with each other, and the end portion of the first sliding groove bends downwards and extends to form the second sliding groove; the bearing support plate is connected with the movable guide plate in a sliding mode, the bearing support plate can slide along the extending direction of the sliding groove, the bearing support plate is used for bearing objects separated from the machining platform, and when the bearing support plate slides to the second sliding groove along the first sliding groove, the objects can be separated from the bearing support plate and fall into the collecting area. Because the mould taking device collects the objects through the gravity of the objects in the process that the bearing supporting plate moves relative to the sliding groove, the whole device has very simple structure and lower manufacturing cost; and the operation process is very simple and convenient, the efficiency of grabbing the object is effectively ensured, and the cost of the whole device is reduced.

Description

Mould taking device and 3D printing equipment

Technical Field

The invention relates to the technical field of separating objects, in particular to a mold removing device and 3D printing equipment.

Background

In order to improve the production efficiency and the production benefit, the integration and intelligence level of the processing needs to be continuously improved. In the processing production process, some articles need to be separated from the processing platform after being processed and collected, the separation of the articles and the processing platform in the prior art is mostly collected through manual taking or mechanical arm grabbing, however, the manual taking efficiency is low, and when the articles are grabbed through the mechanical arm, the processed articles possibly have different shapes and sizes, so the intelligent level of the mechanical arm and the grabbing precision requirement are higher, and the manufacturing cost of the whole processing equipment is higher and is expensive.

Disclosure of Invention

Based on this, it is necessary to provide a delivery device to the article after processing, when needing to separate the collection with the processing platform, artifical inefficiency of taking, robotic arm snatch the higher technical problem of cost.

A mold removal device, comprising: the movable guide plate is used for being connected with the rack in a sliding mode, the movable guide plate is provided with a sliding groove, the sliding groove comprises a first sliding groove and a second sliding groove which are connected with each other, and the end portion of the first sliding groove is bent downwards and extends to form the second sliding groove; the bearing support plate is connected with the movable guide plate in a sliding mode and can slide along the extending direction of the sliding groove, the bearing support plate is used for bearing objects separated from the machining platform, and when the bearing support plate slides to the second sliding groove along the first sliding groove, the objects can be separated from the bearing support plate and fall into the collecting area.

In one embodiment, a sliding assisting groove is arranged at the joint of the first sliding groove and the second sliding groove, and the sliding assisting groove is an arc-shaped groove.

In one embodiment, when the bearing plate slides along the first sliding groove, the bearing surface of the bearing plate can be parallel to the horizontal plane, the bearing plate can slide below the processing platform, and an object separated from the processing platform can fall onto the bearing plate.

In one embodiment, the mobile guide further comprises a first driving assembly, the first driving assembly is mounted on the movable guide plate and connected with the bearing support plate, and the first driving assembly can drive the bearing support plate to slide along the extending direction of the sliding groove.

In one embodiment, the first driving assembly comprises a first driving piece, a first sliding rail and a first sliding block; the first driving piece and the first sliding rail are mounted on the movable guide plate, the first sliding rail extends along the length direction of the first sliding chute, and the first sliding block is connected to the first sliding rail in a sliding manner; the power output end of the first driving piece is connected with the first sliding block, and the bearing supporting plate is connected with the first sliding block; the first driving piece can drive the first sliding block to slide along the extending direction of the first sliding rail.

In one embodiment, the device further comprises a first mounting plate, wherein a sliding column is convexly arranged along the thickness direction of the first mounting plate, is clamped in the sliding groove and can slide along the groove wall of the sliding groove; the first mounting panel still protruding rotation post that is equipped with along its thickness direction, rotate the post with the slip post interval sets up, rotate the post with first slider rotates to be connected, first mounting panel deviates from one side of slip post with bearing plate fixed connection.

In one embodiment, the sliding block further comprises a second mounting plate, one side of the second mounting plate is connected with the first sliding block, the second mounting plate is provided with a mounting hole, and the rotating column can at least partially extend into the mounting hole and is rotatably connected with the hole wall of the mounting hole.

In one embodiment, the sliding device further comprises a bearing, the bearing sleeve is fixedly arranged on the sliding column, and the bearing is in rolling connection with the groove wall of the sliding groove.

In one embodiment, the first drive assembly further comprises a first master synchronizing wheel, a first slave synchronizing wheel, and a first synchronizing belt; the first main synchronizing wheel and the first slave synchronizing wheel are arranged at intervals, the first main synchronizing wheel is sleeved and fixed at the power output end of the first driving piece, the first slave synchronizing wheel is rotatably connected with the movable guide plate, the first main synchronizing wheel and the first slave synchronizing wheel can tension the first synchronizing belt and drive the first synchronizing belt to do closed annular motion along a first direction, and the first sliding block is fixedly connected with the first synchronizing belt.

In one embodiment, the mobile guide plate mechanism further comprises a second driving assembly, the second driving assembly is mounted on the rack and connected with the mobile guide plate, and the second driving assembly is used for driving the mobile guide plate to move along the height direction of the rack.

In one embodiment, the second driving assembly comprises a second driving piece, a screw nut and a lifting screw; the second driving piece is used for being fixed on the rack, the feed screw nut is fixedly connected with the movable guide plate, the feed screw nut is sleeved on the lifting feed screw and is in threaded connection with the lifting feed screw, the power output end of the second driving piece is connected with one end of the lifting feed screw, and the second driving piece is used for driving the lifting feed screw to rotate around the axis of the lifting feed screw so as to drive the feed screw nut to move up and down along the length direction of the feed screw nut.

In one embodiment, the processing platform is a forming platform.

The invention also provides 3D printing equipment which can solve at least one technical problem.

The 3D printing equipment provided by the invention comprises the mold taking device and a rack, wherein the mold taking device is arranged on the rack.

The invention has the beneficial effects that:

the invention provides a mold taking device, which is arranged on processing equipment, when an object is required to be separated from a processing platform and collected after the object is processed, a bearing support plate bears the object separated from the processing platform, the bearing support plate slides along the extension direction of a sliding groove, and when the bearing support plate slides from a first sliding groove to a second sliding groove, because the second sliding groove is formed by bending the end part of the first sliding groove downwards, the object on the bearing support plate can leave the bearing support plate through the self gravity when the bearing support plate slides along the extension direction of the second sliding groove and falls into a collecting area below the bearing support plate. Because the mould taking device collects the objects by the gravity of the objects in the process that the bearing supporting plate moves relative to the sliding groove, the whole device has very simple structure and lower manufacturing cost; and the operation process is also very simple and convenient, does not need the manual work to take the article and collect, also does not need to add extra robotic arm and gets, has reduced the cost of whole device when effectively having guaranteed the efficiency of grabbing the article.

Drawings

Fig. 1 is a schematic diagram of a mold removing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of the movable guide plate, the carrying pallet, the first driving assembly, and the first mounting plate of the mold removing device shown in FIG. 1;

FIG. 3 is an exploded view of the movable guide plate, the carrier plate, the first drive assembly, the first mounting plate, the second mounting plate, and the bearing of the mold removing device shown in FIG. 2;

FIG. 4 is a schematic view of a first mounting plate in the mold removal device shown in FIG. 2;

FIG. 5 is a schematic view of a second driving assembly in the mold removing device shown in FIG. 1;

fig. 6 is a schematic diagram of a position where the mold taking device shown in fig. 1 is installed on a 3D printing apparatus, and a bearing supporting plate slides along a first sliding chute;

fig. 7 is a schematic view of a first position where the mold removing device shown in fig. 1 is mounted on the 3D printing apparatus, and the bearing support plate slides along the second chute;

fig. 8 is a schematic diagram of a second position where the mold removing device shown in fig. 7 is mounted on the 3D printing apparatus, and the carrier plate slides along the second chute.

Reference numerals: 110-a movable guide plate; 111-a sliding groove; 1111-a first runner; 1112-a second runner; 120-a carrier pallet; 121-a carrying cavity; 130-a first drive assembly; 131-a first drive member; 132-a first slide rail; 133-a first slider; 134-a first primary synchronizing wheel; 135-a first slave synchronizing wheel; 136-a first synchronization belt; 137-a mounting member; 138-a fastener; 139-anti-loosening element; 140-a first mounting plate; 141-a sliding column; 142-a rotating column; 150-a second mounting plate; 151-mounting holes; 160-a bearing; 170-a second drive assembly; 171-a second drive member; 172-feed screw nut; 173-lifting screw rod; 174-fixed block; 175-a fixed plate; 176-a second slide rail; 177-a second slider; 178-a first stop; 179 — second limit; 180-a collection zone; 200-a frame; 300-material groove; 400-forming the platform.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This 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 recognize 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 "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the 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 to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. 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 fig. 6 to 8, fig. 1 is a schematic diagram illustrating a mold removing device according to an embodiment of the present invention, and fig. 6 is a schematic diagram illustrating a position where the mold removing device illustrated in fig. 1 is mounted on a 3D printing apparatus and a carrier plate 120 slides along a first sliding groove 1111; fig. 7 shows a schematic diagram of a first position of the mold removing device shown in fig. 1 mounted on the 3D printing apparatus, where the carrier tray 120 slides along the second sliding groove 1112; fig. 8 shows a schematic diagram of a second position of the mold removing device shown in fig. 7 mounted on the 3D printing apparatus, where the carrier tray 120 slides along the second sliding groove 1112.

The mold removing device provided by an embodiment of the invention comprises a movable guide plate 110 and a bearing support plate 120. The movable guide plate 110 is used for being slidably connected with the rack 200, the movable guide plate 110 is configured with a sliding groove 111, the sliding groove 111 comprises a first sliding groove 1111 and a second sliding groove 1112 which are connected with each other, and the end of the first sliding groove 1111 is bent downwards and extends to form the second sliding groove 1112; the bearing plate 120 is slidably connected to the movable guide plate 110, the bearing plate 120 can slide along the extending direction of the sliding groove 111, the bearing plate 120 is used for bearing an object separated from the processing platform, and when the bearing plate 120 slides along the first sliding groove 1111 to the second sliding groove 1112, the object can be separated from the bearing plate 120 and fall into the collecting region 180.

When the mold removing device provided by the invention is installed on a processing device, and the object needs to be separated from the processing platform and collected after the object is processed, at this time, the object separated from the processing platform is carried by the carrying pallet 120, the carrying pallet 120 slides along the extending direction of the sliding groove 111, and when the carrying pallet 120 slides from the first sliding groove 1111 to the second sliding groove 1112, because the second sliding groove 1112 is formed by bending the end part of the first sliding groove 1111 downwards, the object on the carrying pallet 120 leaves the carrying pallet 120 due to its own gravity when the carrying pallet 120 slides along the extending direction of the second sliding groove 1112, and falls into the collecting area 180 below the carrying pallet 120. Because the mold taking device collects the objects through the gravity of the objects in the process that the bearing supporting plate 120 moves relative to the sliding groove 111, the whole device has very simple structure and lower manufacturing cost; and the operation process is also very simple and convenient, does not need the manual work to take the article and collect, also does not need to add extra robotic arm and gets, has reduced the cost of whole device when effectively having guaranteed the efficiency of grabbing the article.

In one embodiment, the processing device is a 3D printing apparatus, the processing platform is a forming platform 400, and the object is a model printed on the forming platform 400. When the model is formed on the forming platform 400 and needs to be separated from the forming platform 400 and collected, the collection of the printed and formed model can be realized by the mold taking device. In other embodiments, the processing device may be other devices, and the processing device may be used as long as it needs to separate the object from the processing platform, which is not limited in any way.

The following is a detailed description of the structure of the mold removing device. Referring to fig. 2-5, fig. 2 is a schematic diagram illustrating the movable guide plate 110, the carrying pallet 120, the first driving assembly 130, and the first mounting plate 140 of the mold removing apparatus shown in fig. 1; FIG. 3 shows an exploded view of the movable guide 110, the carrier plate 120, the first drive assembly 130, the first mounting plate 140, the second mounting plate 150, and the bearing 160 in the mold removal apparatus shown in FIG. 2; FIG. 4 shows a schematic view of the first mounting plate 140 in the mold removal device of FIG. 2; fig. 5 shows a schematic view of a second drive assembly 170 in the mold removal apparatus shown in fig. 1.

Referring to fig. 1 and 6, when the carrying pallet 120 of the mold removing device provided by the embodiment of the invention slides along the first sliding slot 1111, the carrying surface of the carrying pallet 120 can be parallel to the horizontal plane, the carrying pallet 120 can slide under the processing platform, and the object separated from the processing platform can fall onto the carrying pallet 120. Since the carrying surface of the carrying pallet 120 can be parallel to the horizontal plane when the carrying pallet 120 slides along the first sliding slot 1111, the object separated from the processing platform is not easy to slide off the carrying pallet 120 when falling onto the carrying pallet 120.

In one embodiment, the first sliding slot 1111 extends in a direction parallel to the horizontal plane, and the supporting plate 120 is parallel to the first sliding slot 1111 in the extending direction. So that the carrying surface of the carrying pallet 120 is parallel to the horizontal plane.

In another embodiment, the extending direction of the first sliding groove 1111 is disposed at an angle with the horizontal plane, and the carrying surface of the carrying plate 120 is disposed at an angle with the extending direction of the first sliding groove 1111, such that the carrying surface is parallel to the horizontal plane. Specifically, the extending direction of the first sliding groove 1111 may form an included angle of 30 ° with the horizontal plane, and the bearing surface of the bearing plate 120 and the extending direction of the first sliding groove 1111 are formed at an included angle of 30 °, so that the bearing surface of the bearing plate 120 may be parallel to the horizontal plane. Of course, in other embodiments, the extending direction of the first sliding groove 1111 may also be set at 45 ° and 60 ° from the horizontal plane, which is not limited to this, as long as the carrying surface of the carrying tray 120 is parallel to the horizontal plane when sliding along the first sliding groove 1111.

In another embodiment, the carrying surface of the carrying plate 120 is disposed at a slight angle to the horizontal plane, for example, 10 °, when the object falls to the carrying surface of the carrying plate 120, the carrying plate 120 drives the object to slide to the second sliding groove 1112 along the extending direction of the first sliding groove 1111, the object slides in the carrying plate 120, and when the carrying plate 120 slides to the end of the first sliding groove 1111 near the second sliding groove 1112, the object can slide to the edge of the carrying plate 120, so that the object can more rapidly fall to the collecting region 180 when the carrying plate 120 slides to the second sliding groove 1112. It should be noted that the included angle between the bearing surface of the bearing plate 120 and the horizontal plane may also be 15 ° or 20 °, which is not limited to this, and may be limited according to the length of the bearing plate 120 and the friction coefficient between the object and the bearing plate 120, as long as the bearing plate 120 can drive the object to slide to the second sliding groove 1112 along the extending direction of the first sliding groove 1111, the object will not be separated from the bearing plate 120.

Referring to fig. 2 and 3, a carrying cavity 121 formed by inward recessing along a thickness direction is configured on the carrying pallet 120 of the mold removing apparatus according to an embodiment of the present invention, so that an object separated from the processing platform can fall into the carrying cavity 121, and the situation that the object is separated from the carrying cavity 121 when the carrying pallet 120 slides along the first sliding groove 1111 can be effectively reduced by protection of a side wall of the carrying cavity 121. In one specific embodiment, the bearing cavity 121 is provided with three side walls, which are two sides of the bearing plate 120 in the length direction and one side of the bearing plate in the width direction away from the second sliding groove 1112. In still another embodiment, the bearing cavity 121 is provided with two side walls, which are two sides of the bearing plate 120 in the length direction.

In one embodiment, the friction surface is provided at the rear end of the supporting plate 120, so that the object can be decelerated and slightly stopped when sliding along the supporting cavity 121 of the supporting plate 120 to the rear end, and the object can fall into the collecting area 180 at a lower speed and thus is less damaged.

In another embodiment, the trailing end of the load bearing plate 120 is provided with an upwardly warped transition surface. Thus, when the carrier plate 120 slides along the second sliding groove 1112, the included angle between the transition surface and the horizontal surface is in a small range, such as 10 ° or 15 °. When the object slides to the tail end along the bearing cavity 121 of the bearing pallet 120, the object can be decelerated and slightly stopped, so that the object is less in speed when falling into the collecting area 180, and the damage to the object is less.

In the mold removing device provided in an embodiment of the present invention, a slide assisting groove is provided at a connection between the first slide groove 1111 and the second slide groove 1112, and the slide assisting groove is an arc-shaped groove. Because the arc-shaped sliding-assistant groove is arranged at the connection position of the first sliding groove 1111 and the second sliding groove 1112, when the bearing supporting plate 120 slides from the first sliding groove 1111 into the second sliding groove 1112, the sliding process is smooth and the locking is not easy to occur.

In one embodiment, the second sliding groove 1112 is also an arc-shaped groove, so that the bearing plate 120 can slide along the groove wall of the second sliding groove 1112 more smoothly.

Referring to fig. 3, the mold removing apparatus according to an embodiment of the present invention further includes a first driving assembly 130, the first driving assembly 130 is mounted on the movable guide plate 110, the first driving assembly 130 is connected to the supporting plate 120, and the first driving assembly 130 can drive the supporting plate 120 to slide along the extending direction of the sliding groove 111. The first driving assembly 130 drives the bearing supporting plate 120 to slide along the extending direction of the sliding groove 111, so that the bearing supporting plate 120 is more convenient, time-saving and labor-saving when collecting the object. In one specific embodiment, the first drive assembly 130 is a linear motor drive. In other embodiments, the first driving assembly 130 may also be a synchronous belt drive or a transmission chain drive, which is not limited herein.

Specifically, in one embodiment, the first driving assembly 130 includes a first driving member 131, a first sliding rail 132 and a first sliding block 133. The first driving element 131 and the first sliding rail 132 are mounted on the movable guide plate 110, the first sliding rail 132 extends along the length direction of the first sliding slot 1111, and the first sliding block 133 is slidably connected to the first sliding rail 132; the power output end of the first driving element 131 is connected with the first sliding block 133, and the bearing supporting plate 120 is connected with the first sliding block 133; the first driving element 131 can drive the first slider 133 to slide along the extending direction of the first slide rail 132. When the object is to be collected after the supporting board 120 supports the object, the first driving member 131 drives the first sliding block 133 to slide along the extending direction of the first sliding rail 132, so that the supporting board 120 can slide along the extending direction of the first sliding groove 1111. In one particular embodiment, the first driving member 131 is a motor, and may be a stepper motor. Of course in other embodiments it may be a rotary cylinder or the like.

Referring to fig. 3 and 4, the mold removing device according to an embodiment of the present invention further includes a first mounting plate 140, a sliding column 141 is disposed on the first mounting plate 140 along a thickness direction thereof, and the sliding column 141 is clamped in the sliding groove 111 and can slide along a groove wall of the sliding groove 111; the first mounting plate 140 is further convexly provided with a rotating column 142 along the thickness direction thereof, the rotating column 142 and the sliding column 141 are arranged at intervals, the rotating column 142 is rotatably connected with the first slider 133, and one side of the first mounting plate 140 departing from the sliding column 141 is fixedly connected with the bearing support plate 120. Due to the arrangement of the first mounting plate 140, when the bearing plate 120 slides along the extending direction of the first sliding groove 1111, the sliding column 141 slides along the groove wall of the first sliding groove 1111, so that the bearing plate 120 is not easy to rotate during the sliding process, and the levelness of the bearing plate 120 and the horizontal plane is kept good. When the bearing supporting plate 120 slides to the second sliding groove 1112 along the first sliding groove 1111, at this time, the sliding column 141 slides to the second sliding groove 1112 from the first sliding groove 1111, the rotating column 142 is driven by the sliding column 141 to rotate relative to the first slider 133, so that the bearing supporting plate 120 rotates relative to the first slider 133, one side of the bearing supporting plate 120 departing from the first sliding groove 1111 can tilt, the whole bearing supporting plate 120 is in a downward inclined state, under the action of self gravity, the object overcomes the friction force between the object and the bottom wall of the bearing cavity 121 of the bearing supporting plate 120, and slides relative to the bottom wall of the bearing cavity 121 until the object is separated from the bearing supporting plate 120 and falls into the collecting area 180 below.

In one embodiment, the second sliding groove 1112 is partially circular. Since the distance between the sliding column 141 and the rotating column 142 is constant, the distance between each point in the extending direction of the second sliding groove 1112 in the shape of an arc of circle must be constant relative to the rotating axis of the rotating column 142, so that the sliding column 141 can slide smoothly in the second sliding groove 1112.

In one embodiment, the mold removing device further includes a rotating motor, the rotating motor is connected to the rotating column 142, and the rotating motor can drive the rotating column 142 to rotate around its own axis, so that the sliding column 141 can slide in the second sliding groove 1112 more smoothly and conveniently. The situation that when the model loaded in the loading cavity 121 is too heavy, the sliding column 141 is difficult to slide in the second sliding groove 1112 can be effectively reduced.

Referring to fig. 3, the mold removing apparatus according to an embodiment of the present invention further includes a second mounting plate 150, one side of the second mounting plate 150 is connected to the first slider 133, the second mounting plate 150 is provided with a mounting hole 151, and the rotating column 142 can at least partially extend into the mounting hole 151 and is rotatably connected to a hole wall of the mounting hole 151. The second mounting plate 150 is arranged to enable the first mounting plate 140 to be rotatably connected with the first slider 133. Because second mounting panel 150 is direct and first slider 133 fixed connection, therefore when rotating the relative mounting hole 151 rotation of post 142, can effectively reduce the impact effort of rotating post 142 to first slider 133, the atress of whole first slider 133 is comparatively balanced, and then can reduce the damage of rotating post 142 to first slider 133 in long-time slip process, and first slider 133 is more steady and life is longer at the slip in-process.

Referring to fig. 3, the mold removing device according to an embodiment of the present invention further includes a bearing 160, the bearing 160 is fixed on the sliding column 141 in a sleeved manner, and the bearing 160 is connected to the wall of the sliding groove 111 in a rolling manner. Through setting up bearing 160 for bearing plate 120 is rolling connection with sliding tray 111 when sliding along sliding tray 111, and whole slip in-process receives frictional force less, and the slip process is comparatively steady laborsaving. In one specific embodiment, the bearings 160 are ball bearings 160.

Referring to fig. 3, the first driving assembly 130 of the mold removing device according to an embodiment of the present invention further includes a first master synchronizing wheel 134, a first slave synchronizing wheel 135, and a first synchronizing belt 136; the first main synchronizing wheel 134 and the first slave synchronizing wheel 135 are arranged at intervals, the first main synchronizing wheel 134 is sleeved on a power output end fixed on the first driving piece 131, the first slave synchronizing wheel 135 is rotatably connected with the movable guide plate 110, the first main synchronizing wheel 134 and the first slave synchronizing wheel 135 can tension the first synchronizing belt 136 and drive the first synchronizing belt 136 to perform closed annular motion along a first direction, specifically, the first direction is clockwise and counterclockwise in fig. 1. The first slider 133 is fixedly coupled to the first timing belt 136. The first synchronizing belt 136 is driven by the first main synchronizing wheel 134 and the first auxiliary synchronizing wheel 135 to make a closed loop motion, so that the first slider 133 fixedly connected with the first synchronizing belt 136 slides in the extending direction of the first slide rail 132. The sliding block is not easy to shake in the sliding process, the object is not easy to separate from the bearing support plate 120, and meanwhile, the transmission torque of the synchronous belt is large, so that the object with larger weight can be moved.

In one embodiment, the length of the first sliding slot 1111 is less than the length of the first timing belt 136 along the length direction of the movable guide 110. Therefore, when the sliding column 141 slides to the intersection with the second sliding groove 1112 along the length direction of the first sliding groove 1111, the sliding column 141 slides along the extending direction of the second sliding groove 1112, and the first synchronous belt 136 can drive the first mounting plate 140 to continue to move along the length direction of the movable guide 110. When the sliding post 141 slides across the intersection of the two sliding slots and continues to slide to the second sliding slot 1112, the sliding post 141 makes a circular motion along the rotation axis of the rotating post 142, so that the sliding post 141 continues to move along the extending direction of the second sliding slot 1112.

Referring to fig. 3, the first driving assembly 130 of the mold removing apparatus according to an embodiment of the present invention further includes a mounting member 137, a fastening member 138, and a locking member 139. One end of the mounting piece 137 penetrates through the movable guide plate 110, the first driven synchronizing wheel 135 is sleeved and fixed on the mounting piece 137, one end of the mounting piece 137 penetrating through the movable guide plate 110 is fixed on the movable guide plate 110 through a fastener 138, the locking piece 139 is sleeved and fixed on the mounting piece 137 and located on one side, away from the movable guide plate 110, of the fastener 138, and the locking piece 139 is used for preventing the mounting piece 137 from loosening. The first driven synchronizing wheel 135 is more stable during rotation by the cooperation of the mounting member 137, the fastening member 138 and the locking member 139. In one specific embodiment, the mounting member 137 is a screw, the fastening member 138 is a nut, and the locking member 139 is a lock nut.

Referring to fig. 1 and 5, the mold removing apparatus according to an embodiment of the present invention further includes a second driving assembly 170, the second driving assembly 170 is mounted on the frame 200, the second driving assembly 170 is connected to the movable guide plate 110, and the second driving assembly 170 is configured to drive the movable guide plate 110 to move along a height direction of the frame 200. By providing the second driving assembly 170, the movable guide 110 is moved in the height direction of the rack 200, and thus the carrier plate 120 can be moved in the height direction of the rack 200.

When the printed objects need to be collected, the second driving assembly 170 drives the carrier plate 120 to move along the height direction of the rack 200 to a horizontal plane below the printing platform. When the collection is completed, the second driving assembly 170 drives the carrier 120 to move along the height direction of the rack 200, so as to avoid the interference of the carrier 120 with the printing platform when printing objects. Specifically, when the printed object is collected each time, the sliding column 141 is located in the second sliding groove 1112 at this time, the second driving assembly 170 drives the carrying pallet 120 to move upward at this time, and when the object is printed again and collected, the second driving assembly 170 drives the carrying pallet 120 to move downward at this time, and moves to a position of a horizontal plane below the printing platform where the carrying pallet 120 can be located when the carrying pallet 120 moves along the first sliding groove 1111.

In one specific embodiment, the second driving assembly 170 is driven by a linear motor, but in other embodiments, the second driving assembly 170 may also be driven by a rack and pinion, a lead screw, a synchronous belt, a chain, or the like, which is not limited to this, as long as the second driving assembly can drive the supporting board 120 to move up and down along the height direction of the rack 200.

The second driving assembly 170 of the mold removing device provided in an embodiment of the present invention includes a second driving element 171, a lead screw nut 172, and a lifting lead screw 173; the second driving member 171 is used for being fixed on the frame 200, the lead screw nut 172 is fixedly connected with the movable guide plate 110, the lead screw nut 172 is sleeved on the lifting lead screw 173 and is screwed with the lifting lead screw 173 in a threaded manner, the power output end of the second driving member 171 is connected with one end of the lifting lead screw 173, and the second driving member 171 is used for driving the lifting lead screw 173 to rotate around the axis thereof so as to drive the lead screw nut 172 to move up and down along the length direction thereof. When the supporting board 120 needs to move up and down along the height direction of the rack 200, at this time, the second driving member 171 drives the lifting screw rod 173 to rotate around its own axis, so that the screw rod nut 172 moves up and down along the length direction of the lifting screw rod 173, and finally the movable guide plate 110 connected with the screw rod nut 172 is driven to move up and down, thereby completing the up-and-down movement of the supporting board 120. Through the transmission of the lifting screw rod 173, when the movable supporting plate and the bearing supporting plate 120 move up and down along the length direction of the lifting screw rod 173, the movement is more stable.

Referring to fig. 5, in one embodiment, the second driving assembly 170 further includes a fixing block 174, the fixing block 174 is slidably sleeved on the lifting screw 173 and fixedly connected to the screw nut 172, and the fixing block 174 is fixedly connected to the movable guide plate 110, and the lifting screw 173 drives the fixing block 174 to move up and down, so as to drive the movable guide plate 110 to move up and down. So that the force applied to the feed screw nut 172 is relatively balanced.

Referring to fig. 5, the second driving assembly 170 of the mold removing apparatus according to an embodiment of the present invention further includes a fixing plate 175, a second slide rail 176, and a second sliding block 177. Fixed plate 175 installs in frame 200, second slide rail 176 is installed on fixed plate 175, and second slide rail 176 extends along vertical direction, second slider 177 sliding connection is in second slide rail 176, second slider 177 deviates from one side connection movable guide 110 of second slide rail 176, when lift lead screw 173 drives movable guide 110 along its self length direction up-and-down motion, second slider 177 slides along the extending direction of second slide rail 176, make movable guide 110 at the in-process of up-and-down motion, more steady, difficult emergence is rocked. In one specific embodiment, the number of the second slide rails 176 and the second slide blocks 177 is two, and the two are spaced apart along the length direction of the fixing plate 175.

Referring to fig. 5, the second driving assembly 170 of the mold removing device according to an embodiment of the present invention further includes a first limiting member 178 and a second limiting member 179, the first limiting member 178 is fixedly connected to the second sliding block 177, and the second limiting member 179 is installed above the fixing plate 175. The first limiting member 178 can move closer to or away from the second limiting member 179 under the driving of the second sliding block 177, and the first limiting member 178 and the second limiting member 179 are matched to limit the sliding distance of the second sliding block 177 relative to the second sliding rail 176.

Through the cooperation of the first limiting member 178 and the second limiting member 179, the maximum distance that the second sliding block 177 moves relative to the second sliding rail 176 can be limited, the second sliding block 177 is not easy to separate from the second sliding rail 176, and the whole device is safer in the operation process.

In one specific embodiment, the first limiting member 178 is a limiting protrusion, the second limiting member 179 is a limiting member, the limiting member is configured with a limiting groove having an opening facing the limiting protrusion, and when the limiting protrusion moves closer to the limiting member and moves to be inserted into the limiting groove, the bottom wall of the limiting groove can limit the movement of the limiting protrusion, so that the limiting protrusion stops sliding along the extending direction of the second slide rail 176, and further the second sliding block 177 stops sliding along the extending direction of the second slide rail 176.

In another specific embodiment, the first limiting member 178 is a limiting sensing piece, and the second limiting member 179 is a limiting switch, and the limiting switch is provided with a sensing groove. When the limiting sensing piece moves along the extending direction of the second slide rail 176 and is inserted into the sensing groove of the limiting switch, the limiting sensing piece can send an on-off signal to a case control assembly of the 3D printing device and immediately stops moving, so that the second slide block 177 has higher sliding position precision relative to the second slide rail 176. Certainly, in other embodiments, the limit sensing sheet can also be inserted into the sensing groove of the limit switch, so that the limit sensing sheet can send an on-off signal to the chassis control assembly of the 3D printing device. Specifically, the second limiting element 179 may be a photoelectric switch or a hall switch, and the first limiting element 178 matches with the second limiting element 179.

Referring to fig. 6 to 8, an embodiment of the present invention further provides a 3D printing apparatus, and the 3D printing apparatus according to the embodiment of the present invention includes the mold-taking device described above, and further includes a rack 200, where the mold-taking device is installed on the rack 200. When the mold removing device is mounted on the frame 200 to collect printed models, at least one technical effect can be achieved.

Referring to fig. 6 to 8, the 3D printing apparatus according to an embodiment of the present invention further includes a collecting region 180, the collecting region 180 is connected to the rack 200 and disposed below the second sliding groove 1112, and when the carrier plate 120 slides along the second sliding groove 1112, the mold on the carrier plate 120 can fall into the collecting region 180. In one specific embodiment, elastic materials such as sponge are pasted on the inner wall of the collection area 180, so that impact force between a part of the model and the inner wall of the collection area 180 can be absorbed when the model falls off, and the model is not easy to damage in the collection process. In one specific embodiment, the collection area 180 is a collection tank, the collection tank contains a cleaning solution, the model drops into the collection tank, and the cleaning solution in the collection tank can clean the liquid resin remaining on the surface of the 3D printing model, so that the surface processing quality of the 3D printing model is improved.

Referring to fig. 6 to 8, the 3D printing apparatus according to an embodiment of the present invention further includes a trough 300, wherein the trough 300 is mounted on the frame 200 and disposed below the forming platform 400. During the printing of the model, the forming platform 400 can extend into the trough 300 and cause the liquid photosensitive resin in the trough 300 to solidify layer by layer on the lower surface thereof. When the mold is printed, the forming platform 400 can drive the mold to move upwards to separate the mold from the lower surface thereof, and drop into the bearing cavity 121 in the bearing support plate 120, and finally collect the mold into the collecting area 180 by the movement of the bearing support plate 120 along the sliding groove 111.

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 express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A mold removal device, comprising:

the movable guide plate is used for being connected with the rack in a sliding mode, the movable guide plate is provided with a sliding groove, the sliding groove comprises a first sliding groove and a second sliding groove which are connected with each other, and the end portion of the first sliding groove bends downwards and extends to form the second sliding groove;

the bearing supporting plate is connected with the movable guide plate in a sliding mode and can slide along the extending direction of the sliding groove, the bearing supporting plate is used for bearing an object separated from the machining platform, and when the bearing supporting plate slides to the second sliding groove along the first sliding groove, the object can be separated from the bearing supporting plate and fall to the collecting area.

2. The mold removing device according to claim 1, wherein a slide assisting groove is provided at a joint of the first slide groove and the second slide groove, and the slide assisting groove is an arc-shaped groove.

3. The mold removing device of claim 1, wherein when the carrying pallet slides along the first sliding groove, the carrying surface of the carrying pallet can be parallel to a horizontal plane, the carrying pallet can slide under the processing platform, and an object separated from the processing platform can fall onto the carrying pallet.

4. The mold removing device according to claim 1, further comprising a first driving assembly, wherein the first driving assembly is mounted on the movable guide plate and connected with the bearing support plate, and the first driving assembly can drive the bearing support plate to slide along the extending direction of the sliding groove.

5. The mold stripping device as claimed in claim 4, wherein said first drive assembly comprises a first drive member, a first slide rail and a first slide block;

the first driving piece and the first sliding rail are mounted on the movable guide plate, the first sliding rail extends along the length direction of the first sliding chute, and the first sliding block is connected to the first sliding rail in a sliding manner; the power output end of the first driving piece is connected with the first sliding block, and the bearing supporting plate is connected with the first sliding block; the first driving piece can drive the first sliding block to slide along the extending direction of the first sliding rail.

6. The mold removing device as claimed in claim 5, further comprising a first mounting plate, wherein the first mounting plate is provided with a sliding column in a protruding manner along the thickness direction of the first mounting plate, the sliding column is clamped in the sliding groove and can slide along the wall of the sliding groove;

the first mounting panel still protruding rotation post that is equipped with along its thickness direction, rotate the post with the slip post interval sets up, rotate the post with first slider rotates to be connected, first mounting panel deviates from one side of slip post with bearing plate fixed connection.

7. The mold removal device of claim 6, further comprising a second mounting plate, one side of the second mounting plate being connected to the first slider, the second mounting plate being provided with a mounting hole, the rotary post being capable of at least partially extending into the mounting hole and being rotatably connected to a wall of the mounting hole.

8. The mold removing device according to claim 6, further comprising a bearing, wherein the bearing is fixed on the sliding column in a sleeved manner, and the bearing is in rolling connection with the groove wall of the sliding groove.

9. The mold stripping apparatus as claimed in claim 5, wherein said first drive assembly further comprises a first master synchronizing wheel, a first slave synchronizing wheel and a first synchronizing belt;

The first main synchronizing wheel and the first slave synchronizing wheel are arranged at intervals, the first main synchronizing wheel is sleeved with and fixed on a power output end of the first driving piece, the first slave synchronizing wheel is rotatably connected with the movable guide plate, the first main synchronizing wheel and the first slave synchronizing wheel can tension the first synchronizing belt and drive the first synchronizing belt to do closed annular motion along a first direction, and the first sliding block is fixedly connected with the first synchronizing belt.

10. The mold removing device according to claim 1, further comprising a second driving assembly, wherein the second driving assembly is used for being installed on the rack and is connected with the movable guide plate, and the second driving assembly is used for driving the movable guide plate to move along the height direction of the rack.

11. The mold removal device of claim 10, wherein the second drive assembly comprises a second drive, a feed screw nut, and a lifting feed screw;

the second driving piece is used for being fixed in the rack, the feed screw nut is fixedly connected with the movable guide plate, the feed screw nut is sleeved on the lifting screw rod and is screwed with the screw thread of the lifting screw rod, the power output end of the second driving piece is connected with one end of the lifting screw rod, and the second driving piece is used for driving the lifting screw rod to rotate around the axis of the lifting screw rod so as to drive the feed screw nut to move up and down along the length direction of the feed screw rod.

12. A mould removal device as claimed in any one of claims 3 to 11, wherein the tooling platform is a forming platform.

13. A 3D printing apparatus comprising the mold removal device of any one of claims 1-12, further comprising a frame, the mold removal device being mounted to the frame.