CN214983208U - Forming platform and photocuring 3D printer of 3D printer - Google Patents

Abstract

The utility model discloses a shaping platform and photocuring 3D printer of 3D printer relates to 3D printer technical field. This shaping platform of 3D printer includes base plate, locking mechanism, backup pad and profiled sheeting, and base plate one end is connected with the backup pad, and locking mechanism is located the backup pad top, and the both ends of profiled sheeting all are provided with fixed stand, be provided with on the fixed stand with fixed stand integrated into one piece's stand platform, two stand platforms all are located between locking mechanism and the backup pad. The locking mechanism comprises a pressing block, a power assembly, a pressing bolt and an elastic pressing piece, the pressing bolt penetrates through the pressing block and the elastic pressing piece to be connected with the power assembly, and under the action of the power assembly, the elastic pressing piece compresses, so that the pressing block abuts against the stand column platform on the supporting plate. Fixed through power component with the profiled sheeting, easy operation, labour saving and time saving, the fixed stability of profiled sheeting is high moreover, has guaranteed the printing effect of photocuring 3D printer.

Description

Forming platform and photocuring 3D printer of 3D printer

Technical Field

The utility model relates to a 3D printer technical field especially relates to a shaping platform and photocuring 3D printer of 3D printer.

Background

The forming platform is a key part for forming a 3D model of the photocuring 3D printer, the forming platform is usually fixed on a lifting mechanism and driven by the lifting mechanism to move up and down in a trough, and a curing light source cures resin into a specific shape.

The forming platform in the prior art is mostly fixed by fastening bolts, and the fixing scheme has the following defects: firstly, the fastening bolt is time-consuming and labor-consuming to disassemble and assemble; secondly, the firmness of the fixing of the forming platform is influenced by different hand feeling or using strength of operators; thirdly, the tool for disassembling the fastening bolt is easy to be adhered with resin and oil stain, the cleaning difficulty is large, and the tool is used for disassembling and assembling the fastening bolt for a long time, which may lead to the rusting of the fastening bolt.

Therefore, a forming platform for a 3D printer is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaping platform and photocuring 3D printer of 3D printer to realize that the shaping platform is easily fixed, and fixed firm, guarantee to print the effect.

To achieve the purpose, the utility model adopts the following technical proposal:

a modeling platform for a 3D printer, comprising:

the locking device comprises a base plate, a locking mechanism, a supporting plate and a forming plate, wherein one end of the base plate is connected with the supporting plate, the locking mechanism is positioned above the supporting plate, two ends of the forming plate are respectively provided with a fixed upright post, the fixed upright posts are provided with upright post platforms which are integrally formed with the fixed upright posts, and the two upright post platforms are positioned between the locking mechanism and the supporting plate;

the locking mechanism comprises a pressing block, a power assembly, a pressing bolt and an elastic pressing piece, the pressing bolt penetrates through the pressing block, the elastic pressing piece is connected with the power assembly, and under the action of the power assembly, the elastic pressing piece compresses, so that the pressing block abuts against the stand column platform on the supporting plate.

In order to fix two ends of a forming plate at the same time, the power assembly comprises two cams, two cam seats and a rotating shaft for connecting the two cams, the rotating shaft drives the cams to rotate in the cam seats, the cam seats are located above the pressing blocks, the elastic pressing pieces are located between the cam seats and the pressing blocks, and the pressing bolts penetrate through the pressing blocks and the elastic pressing pieces and are in threaded connection with the cam seats.

Optionally, a supporting column is arranged on the substrate, the supporting column is arranged between the two cams, and the rotating shaft is rotatably connected with the supporting column.

Preferably, in order to make the support of the rotating shaft more stable, two support columns are provided, and a first through hole is provided on each of the two support columns; the rotating shaft penetrates through the first through hole to be connected with the two cams respectively. The setting of support column has restricted the motion of pivot in the direction of perpendicular to profiled sheeting for the pivot can not reciprocate, can only rotate around the axis of the first through-hole of two support columns.

In order to facilitate the application of force to the rotating shaft by an operator, the locking mechanism further comprises a rotating shaft handle, the rotating shaft handle is fixedly connected with the rotating shaft and positioned between the supporting columns, and the rotating shaft handle drives the rotating shaft to rotate through pressing.

In order to facilitate the moving-out of the forming plate, the gap between the pressing block and the upright post platform is increased. The locking mechanism further comprises a reset assembly, the reset assembly is arranged on one side, away from the elastic pressing piece, of the cam seat and can drive the cam seat to move towards the direction away from the pressing block.

Preferably, the reset assembly comprises a reset bolt and an elastic reset piece, and the reset bolt penetrates through the elastic reset piece to be in threaded connection with the cam seat.

In order to increase the stability of fixing the forming plate, a first groove is formed in the stand column platform, a first protrusion is arranged at the bottom of the pressing block, and the pressing block is abutted against the first groove in a matched mode through the first protrusion under the action of the elastic pressing piece so as to limit the pressing block to slide relative to the stand column platform.

In order to facilitate the disassembly and assembly of the forming plate, the disassembly and assembly handles are arranged on one sides, far away from each other, of the fixing stand columns at the two ends of the forming plate.

A photocuring 3D printer, includes as above any one the shaping platform of 3D printer, the elevating system fixed connection of base plate and photocuring 3D printer, elevating system passes through the base plate drive shaping platform reciprocates.

The utility model has the advantages that:

the utility model provides a shaping platform and photocuring 3D printer of 3D printer is connected with the backup pad through the one end with the base plate. The both ends of profiled sheeting all are provided with fixed stand, be provided with on the fixed stand with fixed stand integrated into one piece's stand platform, locking mechanism is located the backup pad top, two stand platforms are located between locking mechanism and the backup pad. Locking mechanism includes compact heap, power component, clamp bolt and elasticity compressing tightly the piece, and clamp bolt passes the compact heap, elasticity compressing tightly the piece and is connected with power component, and elasticity compressing tightly a compression under power component's effect for elasticity compressing tightly the piece has the trend to being close to the motion of compact heap all the time, and the effect of elasticity compressing tightly the piece is used for on the compact heap, and the compact heap is with stand platform butt in the backup pad, thereby fixes the shaping platform on elevating system. The utility model provides a forming platform of 3D printer, through power component with the profiled sheeting fixed, easy operation, labour saving and time saving, and the stability that the profiled sheeting is fixed is high, not influenced by operating personnel's feel and dynamics; and then guaranteed the printing effect of photocuring 3D printer.

Drawings

Fig. 1 is a schematic structural diagram of a forming platform of a 3D printer provided in the second embodiment of the present invention;

fig. 2 is a cross-sectional view of a forming platform of a 3D printer provided in the second embodiment of the present invention;

fig. 3 is an exploded schematic view of a forming platform of a 3D printer according to a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a cam on a forming platform of a 3D printer according to a second embodiment of the present invention in a first state;

fig. 5 is a schematic structural diagram of a second state of a cam on a forming platform of a 3D printer according to an embodiment of the present invention.

In the figure:

100. forming a plate;

101. fixing the upright post; 102. a column platform; 103. disassembling and assembling the handle;

1021. a first groove;

1. a substrate; 2. a support plate; 3. a compression block; 4. a power assembly; 5. a hold-down bolt; 6. an elastic pressing member; 7. a spindle handle; 8. a reset assembly; 9. a housing;

11. a support pillar; 12. a first connecting plate; 13. a second connecting plate; 14. connecting columns; 31. a first protrusion; 32. a second groove; 41. a cam; 42. a cam seat; 43. a rotating shaft; 81. resetting the bolt; 82. an elastic reset member; 91. a placement groove;

111. a first through hole; 421. a second protrusion.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The terms "connected" and "fixed," unless expressly specified or limited otherwise, are to be construed broadly and can, for example, be fixedly connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example one

The embodiment provides a photocuring 3D printer, including the shaping platform of elevating system and 3D printer, on the shaping platform was fixed in elevating system, elevating system drive shaping platform removed and impregnated liquid resin, recycled light source projection to utilize the display screen system to control light source facula scanning, on the shaping platform was reached in the first layer shape that the liquid resin surface outlined the object and shaping, so relapse, the final entity stromatolite of accomplishing is printed the shaping. The shaping platform through the 3D printer fixes shaping plate 100 on elevating system, for the fixed mode through fastening bolt among the prior art, changes in the dismouting, labour saving and time saving, and the stability that shaping plate 100 is fixed is higher, has guaranteed the printing effect of photocuring 3D printer.

Example two

As shown in fig. 1-3, the present embodiment provides a forming platform of a 3D printer, including a substrate 1, a locking mechanism, a supporting plate 2 and a forming plate 100, wherein one end of the substrate 1 is connected to the supporting plate 2, the locking mechanism is located above the supporting plate 2, and the upright platform 102 formed integrally with a fixing upright 101 at two ends of the forming plate 100 is located between the locking mechanism and the supporting plate 2. The locking mechanism comprises a pressing block 3, a power assembly 4, a pressing bolt 5 and an elastic pressing piece 6, the pressing bolt 5 penetrates through the pressing block 3 and the elastic pressing piece 6 to be connected with the power assembly 4, and under the action of the power assembly 4, the elastic pressing piece 6 is compressed, so that the pressing block 3 abuts against the stand column platform 102 on the supporting plate 2.

The forming platform of the 3D printer provided by the embodiment is connected with the supporting plate 2 through one end of the substrate 1. The locking mechanism is located above the supporting plate 2, and the column platform 102 formed integrally with the fixed column 101 at both ends of the forming plate 100 is located between the locking mechanism and the supporting plate 2. Locking mechanism includes compact heap 3, power component 4, clamp bolt 5 and elasticity compressing tightly 6, clamp bolt 5 passes compact heap 3, elasticity compressing tightly 6 is connected with power component 4, elasticity compressing tightly 6 compression under power component 4's effect, so that elasticity compressing tightly 6 has the trend to being close to compact heap 3 motion all the time, the effect of elasticity compressing tightly 6 is on compact heap 3, compact heap 3 is with stand platform 102 butt in backup pad 2, thereby fix profiled sheeting 100 on elevating system. According to the forming platform of the 3D printer, the forming plate 100 is fixed through the power assembly 4, the operation is simple, time and labor are saved, the stability of fixing the forming plate 100 is high, and the forming platform is not affected by the hand feeling and the force of an operator; and then guaranteed the printing effect of photocuring 3D printer.

In order to facilitate the disassembly and assembly of the forming plate 100, the forming plate 100 is provided with a fixed upright 101, the fixed upright 101 is arranged at two ends of the forming plate 100 and is detachably connected with the forming plate 100 through a fastening bolt, an upright platform 102 is arranged on the fixed upright 101, and the upright platform 102 and the fixed upright 101 are integrally formed. The two fixed upright posts 101 are respectively provided with a dismounting handle 103 at one side away from each other, and the dismounting handles 103 are detachably connected with the upright post platform 102 through fastening bolts. The arrangement of the disassembling and assembling handles 103 at the two ends of the forming plate 100 is more convenient for the operator to take and place the forming plate 100.

In order to facilitate the connection of the substrate 1 with the lifting mechanism and the supporting plate 2, and to optimize the layout of the locking mechanism on the photocuring 3D printer. The base plate 1 comprises a first connecting plate 12 and a second connecting plate 13 which are vertically arranged, the first connecting plate 12 is fixedly connected with the lifting mechanism of the forming platform, the second connecting plate 13 is fixedly connected with the supporting plate 2 through a fastening bolt, and the locking mechanism is arranged on the second connecting plate 13.

As shown in fig. 2 and 3, in order to fix both ends of the forming plate 100 at the same time, the power assembly 4 includes two cams 41, two cam seats 42 and a rotating shaft 43 connecting the two cams 41, the rotating shaft 43 drives the cams 41 to rotate in the cam seats 42, the cam seats 42 are located above the pressing block 3, the elastic pressing piece 6 is located between the cam seats 42 and the pressing block 3, and the pressing bolt 5 penetrates through the pressing block 3 and the elastic pressing piece 6 to be screwed with the cam seats 42. In this embodiment, the number of the pressing blocks 3 is two, two pressing blocks 3 are arranged corresponding to the column platforms 102 at two ends of the forming plate 100, each pressing block 3 is provided with two counter bores, the lower end face of the cam seat 42 is also provided with two counter bores, the pressing bolt 5 penetrates through the counter bores on the pressing blocks 3, the elastic pressing piece 6 and the counter bores on the lower end face of the cam seat 42 are in threaded connection with the cam seat 42, the elastic pressing piece 6 is located in a large hole of the counter bore on the lower end face of the cam seat 42, a small hole of the counter bore on the lower end face of the cam seat 42 is arranged as a threaded hole, and the pressing bolt 5 is in threaded connection with the threaded hole. Of course, in other embodiments, the power assembly 4 is not limited to the cam 41, the cam seat 42 and the rotating shaft 43, and may also be driven by an electric push rod, an air cylinder or a hydraulic cylinder.

Preferably, as shown in fig. 3, a first groove 1021 is arranged on the column platform 102, a first protrusion 31 is arranged at the bottom of the pressing block 3, and the pressing block 3 is in fit abutment with the first groove 1021 through the first protrusion 31 under the action of the elastic pressing piece 6, so as to limit the sliding of the pressing block 3 relative to the column platform 102; similarly, a second groove 32 is formed in the top of the pressing block 3, a second protrusion 421 is formed in the bottom of the cam seat 42, and the pressing block 3 and the cam seat 42 are in fit abutment through the second groove 32 and the second protrusion 421 to limit the cam seat 42 to slide relative to the pressing block 3; thereby increasing the stability of fixing the forming plate 100.

In this embodiment, the supporting column 11 is disposed on the second connecting plate 13 of the base plate 1, the supporting column 11 is disposed between the two cams 41, the two cam seats 42 are respectively disposed on two sides of the second connecting plate 13, and the rotating shaft 43 is rotatably connected to the supporting column 11. Exemplarily, two support columns 11 are provided, and a first through hole 111 is provided on each of the two support columns 11; after the rotating shaft 43 passes through the first through holes 111 of the two supporting columns 11, two ends of the rotating shaft are respectively fixedly connected with the two cams 41. The arrangement of the supporting columns 11 restricts the movement of the rotating shaft 43 in the direction perpendicular to the forming plate 100, so that the rotating shaft 43 does not move up and down but can only rotate around the axes of the first through holes 111 of the two supporting columns 11.

In this embodiment, the pressing bolt 5 includes a bolt section and a threaded section, the bolt section of the pressing bolt 5 passes through the counter bore of the pressing block 3 and the elastic pressing member 6, and the threaded section is screwed with the threaded hole of the counter bore of the cam seat 42. As shown in fig. 4, when the rotating shaft 43 rotates, so that the cam 41 is in the first state, the pressure of the cam seat 42 on the elastic pressing piece 6 is increased, the elastic pressing piece 6 is compressed, and always has a tendency of moving toward the pressing block 3, so that the pressing block 3 simultaneously abuts the upright platforms 102 at the two ends of the forming plate 100 against the support plate 2, and the fixing of the forming plate 100 is realized; as shown in fig. 5, when the rotating shaft 43 rotates to make the cam 41 in the second state, the pressure of the cam seat 42 on the elastic pressing member 6 is reduced, a force away from the pressing block 3 is applied to the cam seat 42 under the elastic restoring force of the elastic pressing member 6, and since the pressing bolt 5 passes through the pressing block 3, the elastic pressing member 6 is screwed with the cam seat 42, the pressing block 3 is subjected to a force away from the column platform 102 under the action of the pressing bolt 5, so that the forming plate 100 can be removed from between the pressing block 3 and the support plate 2.

In order to facilitate the operator to apply force to the rotating shaft 43, the locking mechanism further comprises a rotating shaft handle 7, the rotating shaft handle 7 is fixedly connected with the rotating shaft 43 and is located between the two supporting columns 11, and the rotating shaft 43 is driven to rotate by pressing the rotating shaft handle 7.

Preferably, in order to prevent the operator from accidentally touching the power assembly 4, the stability of fixing the forming plate 100 is ensured, and the forming plate 100 is convenient to disassemble and assemble. The locking mechanism further comprises a shell 9, the shell 9 is connected with the substrate 1, a placing groove 91 is formed in the shell 9, and the rotating shaft handle 7 is arranged in the placing groove 91. In this embodiment, the power assembly 4 is disposed in the housing 9, two side walls of the placement groove 91 are both provided with avoiding holes, and the rotating shaft 43 passes through the avoiding holes to be fixedly connected with the rotating shaft handle 7 in the placement groove 91. The second connecting plate 13 is further provided with four connecting columns 14, two sides of each supporting column 11 are provided with one connecting column 14, the center of each connecting column 14 is provided with a threaded hole, and fastening bolts extend into the shell 9 from the outside of the shell 9 and are connected with the threaded holes in the connecting columns 14 so as to fix the shell 9 and the second connecting plate 13.

Further, the locking mechanism further comprises a reset assembly 8, the reset assembly 8 is arranged on one side, away from the elastic pressing piece 6, of the cam seat 42, and can drive the cam seat 42 to move towards the direction away from the pressing block 3. The reset assembly 8 applies an acting force to the cam seat 42, the acting force moves in the direction away from the pressing block 3, and the cam seat 42 is jacked up, so that the pressing block 3 is jacked up by the pressing bolt 5 under the action of the elastic pressing piece 6, the gap between the pressing block 3 and the upright platform 102 is increased, and the forming plate 100 can be moved out conveniently.

Illustratively, as shown in fig. 2, the reset assembly 8 includes a reset bolt 81 and an elastic reset member 82, and the reset bolt 81 is threaded with the cam seat 42 through the elastic reset member 82. In this embodiment, the number of the reset bolts 81 is four, the housing 9 is provided with four counter bores, the structures of the reset bolts 81 and the hold-down bolts 5 are the same, the stud section of the reset bolt 81 passes through the elastic reset piece 82 and the counter bores and extends into the housing 9, and the thread section is in threaded connection with the upper end of the cam seat 42. When cam 41 is in the first state, elastic return member 82 is in a compressed state and is inactive; when the cam 41 is in the second state, the elastic reset piece 82 which is originally in the compression state always has a force moving towards the direction far away from the cam seat 42 under the action of the elastic pressing piece 6, the cam seat 42 receives a force moving towards the direction far away from the pressing block 3 again, then the pressing block 3 is driven to move towards the direction far away from the stand platform 102 under the action of the pressing bolt 5 and the elastic pressing piece 6, so that the distance between the pressing block 3 and the stand platform 102 is increased, and the forming plate 100 is easy to take out.

In the present embodiment, the elastic pressing member 6 and the elastic restoring member 82 are both springs.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. The utility model provides a shaping platform of 3D printer which characterized in that includes:

the device comprises a base plate (1), a locking mechanism, a supporting plate (2) and a forming plate (100), wherein one end of the base plate (1) is connected with the supporting plate (2), the locking mechanism is positioned above the supporting plate (2), two ends of the forming plate (100) are respectively provided with a fixed upright column (101), an upright column platform (102) which is integrally formed with the fixed upright column (101) is arranged on the fixed upright column (101), and the two upright column platforms (102) are both positioned between the locking mechanism and the supporting plate (2);

the locking mechanism comprises a pressing block (3), a power assembly (4), a pressing bolt (5) and an elastic pressing piece (6), wherein the pressing bolt (5) penetrates through the pressing block (3), the elastic pressing piece (6) is connected with the power assembly (4), and under the action of the power assembly (4), the elastic pressing piece (6) is compressed, so that the pressing block (3) abuts against the stand column platform (102) on the supporting plate (2).

2. The forming platform of the 3D printer according to claim 1, wherein the power assembly (4) comprises two cams (41), two cam seats (42) and a rotating shaft (43) connecting the two cams (41), the rotating shaft (43) drives the cams (41) to rotate in the cam seats (42), the cam seats (42) are located above the pressing block (3), the elastic pressing piece (6) is located between the cam seats (42) and the pressing block (3), and the pressing bolt (5) penetrates through the pressing block (3), and the elastic pressing piece (6) is in threaded connection with the cam seats (42).

3. The forming platform of the 3D printer according to claim 2, characterized in that a supporting column (11) is arranged on the base plate (1), the supporting column (11) is arranged between the two cams (41), and the rotating shaft (43) is rotatably connected with the supporting column (11).

4. The forming platform of the 3D printer according to claim 3, characterized in that there are two support columns (11), and a first through hole (111) is provided on each of the two support columns (11); the rotating shaft (43) penetrates through the first through hole (111) and is respectively connected with the two cams (41).

5. The forming platform of the 3D printer according to claim 4, characterized in that the locking mechanism further comprises a rotating shaft handle (7), the rotating shaft handle (7) is fixedly connected with the rotating shaft (43) and is located between the two supporting columns (11), and the rotating shaft (43) is driven to rotate by pressing the rotating shaft handle (7).

6. The forming platform of the 3D printer according to claim 2, wherein the locking mechanism further comprises a reset component (8), and the reset component (8) is disposed on a side of the cam seat (42) away from the elastic pressing member (6) and can drive the cam seat (42) to move in a direction away from the pressing block (3).

7. The forming table of a 3D printer according to claim 6, characterized in that the reset assembly (8) comprises a reset bolt (81) and an elastic reset piece (82), the reset bolt (81) is screwed with the cam seat (42) through the elastic reset piece (82).

8. The forming table of the 3D printer according to claim 1, characterized in that a first groove (1021) is arranged on the column table (102), a first protrusion (31) is arranged at the bottom of the pressing block (3), and the pressing block (3) is in fit abutment with the first groove (1021) through the first protrusion (31) under the action of the elastic pressing piece (6).

9. The forming platform of the 3D printer according to any one of the claims 1 to 8, characterized in that the fixing columns (101) at both ends of the forming plate (100) are provided with a detachable handle (103) at the side away from each other.

10. A photocuring 3D printer, comprising the molding platform of the 3D printer as claimed in any one of claims 1 to 9, wherein the substrate (1) is fixedly connected with a lifting mechanism of the photocuring 3D printer, and the lifting mechanism drives the molding platform to move up and down through the substrate (1).

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