3D Printer

Abstract

The present invention discloses a 3D printer, which is characterized by comprising a back plate and an upper body, a first carrier plate and a second carrier plate which are arranged on the back plate in order from top to bottom, a printing platform being hingedly provided on the first carrier plate, a base being hingedly provided on the second carrier plate, the base being fixed horizontally or vertically relative to the second carrier plate, the printing platform being fixed horizontally or vertically relative to the first carrier plate, the first carrier plate and the printing platform being movable up and down on the back plate, the upper body being fixed vertically or parallelly relative to the back plate, the upper body comprising a printing head, and the printing head being movable forward, backward, left and right on the upper body. The upper body, the printing platform and the base of the 3D printer are all foldable and convenient for storage.

Description

Technical Field

[0001] The invention relates to a 3D printer. Background Art

[0002] At present, the upper body, printing platform and base of 3D printers available on the market are generally fixed and installed by bolts. The upper body, printing platform and base of such 3D printers cannot be folded, and they occupy a large space during transportation, which greatly increases the transportation cost. In addition, after printing or when idle, such 3D printers are large in size and inconvenient to store. Summary of the invention

[0003] In view of the shortcomings of the background technology, the technical problem to be solved by the present invention is to provide a 3D printer in which the upper body, the printing platform and the base are all foldable and convenient to store.

[0004] To this end, the present invention is implemented by adopting the following technical solutions:

[0005] A 3D printer, characterized in that it comprises a back plate and an upper body, a first carrier plate and a second carrier plate which are arranged on the back plate in sequence from top to bottom, wherein a printing platform is hingedly provided on the first carrier plate, and a base is hingedly provided on the second carrier plate, the base can be fixed horizontally or vertically relative to the second carrier plate, the printing platform can be fixed horizontally or vertically relative to the first carrier plate, the first carrier plate and the printing platform can move up and down on the back plate, the upper body can be fixed vertically or parallelly relative to the back plate, the upper body comprises a print head, and the print head can move forward, backward, left and right on the upper body.

[0006] Furthermore, the first carrier plate is provided with a plurality of first hinge seats, the printing platform is provided with a first hinge block hinged to the first hinge seat, the second carrier plate is provided with a plurality of second hinge seats, the base is provided with a second hinge block hinged to the second hinge seat, the upper part of the back side of the back plate is detachably provided with a plurality of third hinge seats, the upper end of the third hinge seat is hinged with a third hinge block, the other end of the third hinge block is hinged with a connecting block, and the connecting block is detachably provided on the upper body.

[0007] Furthermore, a first limit plate is provided on the upper front portion of the back panel, a first through hole is provided on the first limit plate, a second through hole that can be aligned with the first through hole is provided on the upper body, a third through hole that can be aligned with the first through hole and the second through hole is provided on the third hinge block, when the upper body is vertically fixed relative to the back panel, the first through hole is aligned with the second through hole and the third through hole, and positioning pins are inserted into the first through hole, the second through hole and the third through hole, and a pull ring is provided on the upper part of the positioning pin.

[0008] Further, grooves are provided on both the front and rear sides of the third hinge block, and protrusions or marbles that can be inserted into the grooves are provided on the third hinge seat and the connecting block. When the upper body is fixedly parallel to the back plate, the protrusions or marbles of the hinge seat and the connecting block are inserted into the grooves.

[0009] Further, a U-shaped decorative plate is provided at the lower end of the outer edge of the upper body. When the upper body is fixedly perpendicular to the back plate, both ends of the U-shaped decorative plate abut against the back plate. Through holes are provided on the third hinge seat and the connecting block. A marble and a bolt are provided in the through hole. The bolt is screwed to one end of the through hole, and an annular baffle for blocking the marble is provided at the opening of the other end of the through hole. A spring is provided between the marble and the bolt. A support rod is provided between the upper body and the base, and positioning grooves for inserting the support rod are provided on both the upper body and the base.

[0010] Further, the surface of the first hinge seat facing the first hinge block is perpendicular to the upper end surface of the first bearing plate. When the printing platform is fixedly horizontal relative to the first bearing plate, the surface of the first hinge block facing the first hinge seat is perpendicular to the upper end surface of the first hinge block. A groove is provided on the upper end surface of the first hinge seat, and a protrusion or marble that can be inserted into the groove is provided on the hinge block. When the printing platform is fixedly perpendicular to the bearing plate, the protrusion or marble is inserted into the groove.

[0011] Further, a lead screw seat and a motor are provided on the back plate. A lead screw is provided between the lead screw seat and the motor. The upper end of the lead screw is rotatably provided on the lead screw seat, and the lower end is connected to the rotating shaft of the motor. A threaded sleeve screwed to the lead screw is provided on the first bearing plate. Upper seats and lower seats are provided on the back plate on both the left and right sides of the lead screw. A guiding optical axis is provided between the upper seat and the lower seat. A guiding sleeve through which the guiding optical axis passes is provided on the first bearing plate. A through hole is provided on the first hinge block. A marble and a bolt are provided in the through hole. The bolt is screwed to one end of the through hole, and an annular baffle for blocking the marble is provided at the opening of the other end of the through hole. A spring is provided between the marble and the bolt. A support rod is provided between the upper body and the base, and positioning grooves for inserting the support rod are provided on both the upper body and the base.

[0012] Further, a second limiting plate that can abut against the lower end of the second bearing plate is provided in the base. A fourth through hole is provided on the second limiting plate. A fifth through hole that can be aligned with the fourth through hole is provided on the second bearing plate. When the base is fixedly horizontal relative to the second bearing plate, the fourth through hole is aligned with the fifth through hole, and a positioning pin is inserted into the fourth through hole and the fifth through hole. A pull ring is provided on the upper part of the positioning pin.

[0013] Furthermore, the surface of the second hinge seat facing the second hinge block is perpendicular to the upper end surface of the second bearing plate. When the base is horizontally fixed relative to the second bearing plate, the surface of the second hinge block facing the second hinge seat is perpendicular to the upper end surface of the second hinge block. A groove is provided on the surface of the second hinge seat facing the second hinge block. The second hinge block is provided with a protrusion or a pin that can be inserted into the groove. When the base is vertically fixed relative to the bearing plate, the protrusion or the pin is inserted into the groove.

[0014] Furthermore, a through hole is provided on the second hinged seat, a pin and a bolt are provided in the through hole, the bolt is threadedly connected to one end of the through hole, and the other end of the through hole is opened with an annular baffle that can block the pin, a spring is provided between the pin and the bolt, a support rod is provided between the upper body and the base, and positioning grooves for inserting the support rod are provided on the upper body and the base.

[0015] The present invention has the following advantages:

[0016] 1. The cooperation of the third hinge seat, the third hinge block and the connecting block enables the upper body to rotate relative to the back plate, and the upper body can be turned over to the back of the back plate, and the cooperation of the protrusion / pin and the groove enables the upper body to be fixed parallel to the back plate to prevent the upper body from rotating, which greatly reduces the space occupied during transportation and reduces the transportation cost. Moreover, after printing is completed or when idle, the volume is small and convenient for storage. In addition, during printing, the upper body is fixed vertically relative to the back plate, at which time the first through hole is aligned with the second through hole and the third through hole, and the first through hole, the second through hole and the third through hole are inserted with positioning pins to prevent the bottom plate from rotating, thereby ensuring the accuracy of 3D printing;

[0017] 2. The cooperation between the first hinge seat and the first hinge block enables the printing platform to rotate relative to the first carrier plate. After printing, the motor is driven to rotate the screw rod, driving the threaded sleeve, the first carrier plate and the printing platform to move downward, and then the printing platform is rotated 90° upward and folded. The printing platform can be fixed vertically relative to the carrier plate through the cooperation of the protrusion or the pin and the groove to prevent the printing platform from rotating, which greatly reduces the space occupied during transportation and reduces the transportation cost. Moreover, after printing or when idle, the volume is small and convenient for storage;

[0018] 3. The cooperation of the second hinge seat and the second hinge block enables the base to rotate relative to the second bearing plate, and the base can be rotated 90° upward and folded, and the base can be vertically fixed relative to the second bearing plate through the cooperation of the protrusion or the pin and the groove to prevent the base from rotating, which greatly reduces the space occupied during transportation and reduces the transportation cost. Moreover, after printing is completed or when idle, the volume is small and convenient for storage. In addition, during printing, the base is horizontally fixed relative to the bearing plate. At this time, the second limit plate is against the lower end of the bearing plate, and the positioning pin is inserted into the first through hole and the second through hole to prevent the bottom plate from rotating, thereby ensuring the accuracy of 3D printing;

[0019] 4. A support rod is provided between the upper body and the base, which increases the structural stability of the 3D printer, prevents the upper body from moving during printing, and ensures the accuracy of 3D printing;

[0020] 5. A pull ring is provided on the upper part of the positioning pin, and the setting of the pull ring makes it easy to pull out the positioning pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention has the following accompanying drawings:

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention without the pull ring;

[0023] Figure 2 This is a schematic diagram of the structure of the present invention after the support rod is removed and the upper body, the printing platform and the base are folded and fixed;

[0024] Figure 3 It is a structural schematic diagram of the second hinge seat and the second hinge block in the present invention;

[0025] Figure 4 It is a structural schematic diagram of the first hinge seat and the first hinge block in the present invention;

[0026] Figure 5 The third hinge seat, the third hinge block and the connecting block in the present invention are shown in FIG.

[0027] Figure 6 It is a schematic diagram of the structure of the base and the second bearing plate in the present invention;

[0028] Figure 7 for Figure 6 Middle AA section view;

[0029] Figure 8 It is a structural schematic diagram of the upper body in the present invention;

[0030] Fig. 9 for Figure 8 Middle BB section view.

[0031] Reference signs: 1, back plate; 2, upper body; 3, first bearing plate; 4, second bearing plate; 5, printing platform; 6, base; 7, print head; 8, first hinge seat; 9, first hinge block; 10, second hinge seat; 11, second hinge block; 12, third hinge seat; 13, third hinge block; 14, connecting block; 15, support rod; 16, positioning groove; 17, first limiting plate; 18, first through hole; 19, second through hole; 20, third through hole; 21, positioning pin; 22, pull ring; 23, groove; 24, protrusion; 25, U-shaped decorative plate; 26, lead screw seat; 27, motor; 28, lead screw; 29, threaded sleeve; 30, upper seat; 31, guiding optical axis; 32, lower seat; 33, second limiting plate; 34, fourth through hole; 35, fifth through hole. Detailed implementation manners

[0032] Referring to Figure 1 As shown, the 3D printer provided by the present invention includes a back plate 1, an upper body 2, a first bearing plate 3 and a second bearing plate 4 which are sequentially arranged on the back plate 1 from top to bottom. A printing platform 5 is hingedly arranged on the first bearing plate 3, and a base 6 is hingedly arranged on the second bearing plate 4. The base 6 can be horizontally fixed or vertically fixed relative to the second bearing plate 4, and the printing platform 5 can be horizontally fixed or vertically fixed relative to the first bearing plate 3. The first bearing plate 3 and the printing platform 5 can move up and down on the back plate 1, and the upper body 2 can be vertically fixed or horizontally fixed relative to the back plate 1. The upper body 2 includes a print head 7, and the print head 7 can move back and forth, left and right on the upper body 2 (it is a prior art that the print head 7 realizes moving back and forth, left and right on the upper body 2 through a belt drive or a lead screw drive structure and an optical axis, and will not be elaborated here). A plurality of first hinge seats 8 are arranged on the first bearing plate 3, a first hinge block 9 hinged to the first hinge seats 8 is arranged on the printing platform 5, a plurality of second hinge seats 10 are arranged on the second bearing plate 4, a second hinge block 11 hinged to the second hinge seats 10 is arranged on the base 6, a plurality of third hinge seats 12 are detachably arranged on the upper part of the back surface of the back plate 1, a third hinge block 13 is hinged to the upper end of the third hinge seats 12, and the other end of the third hinge block 13 is hinged to a connecting block 14, and the connecting block 14 is detachably arranged on the upper body 2.

[0033] Referring to Figure 1 、 Figure 5 、 Figure 8 and Fig. 9As shown in the figure, a first limiting plate 17 is provided at the upper part of the front surface of the back plate 1. A first through hole 18 is provided on the first limiting plate 17. A second through hole 19 that can be aligned with the first through hole 18 is provided on the upper body 2. A third through hole 20 that can be aligned with the first through hole 18 and the second through hole 19 is provided on the third hinge block 13. When the upper body 2 is vertically fixed relative to the back plate 1, the first through hole 18 is aligned with the second through hole 19 and the third through hole 20, and a positioning pin 21 is inserted into the first through hole 18, the second through hole 19 and the third through hole 20. A pull ring 22 is provided at the upper part of the positioning pin 21. Grooves 23 are provided on both the front and back sides of the third hinge block 13. Protrusions 24 or balls that can be inserted into the grooves 23 are provided on the third hinge seat 12 and the connecting block 14. When the upper body 2 is horizontally fixed relative to the back plate 1, the protrusions 24 or balls of the hinge seat and the connecting block 14 are inserted into the grooves 23. A U-shaped decorative plate 25 is provided at the lower end of the outer edge of the upper body 2. When the upper body 2 is vertically fixed relative to the back plate 1, both ends of the U-shaped decorative plate 25 abut against the back plate 1. Through holes are provided on the third hinge seat 12 and the connecting block 14. A ball and a bolt are provided in the through holes. The bolt is screwed to one end of the through hole, and an annular baffle that can block the ball is provided at the opening of the other end of the through hole. A spring is provided between the ball and the bolt. A support rod 15 is provided between the upper body 2 and the base 6. Positioning grooves 16 for inserting the support rod 15 are provided on both the upper body 2 and the base 6.

[0034] Refer to Figure 1 and Figure 4 As shown in the figure, the surface of the first hinge seat 8 facing the first hinge block 9 is perpendicular to the upper end surface of the first bearing plate 3. When the printing platform 5 is horizontally fixed relative to the first bearing plate 3, the surface of the first hinge block 9 facing the first hinge seat 8 is perpendicular to the upper end surface of the first hinge block 9. A groove 23 is provided on the upper end surface of the first hinge seat 8. Protrusions 24 or balls that can be inserted into the groove 23 are provided on the hinge block. When the printing platform 5 is vertically fixed relative to the bearing plate, the protrusions 24 or balls are inserted into the groove 23. A lead screw seat 26 and a motor 27 are provided on the back plate 1. A lead screw 28 is provided between the lead screw seat 26 and the motor 27. The upper end of the lead screw 28 is rotatably arranged on the lead screw seat 26, and the lower end is connected to the rotating shaft of the motor 27. A threaded sleeve 29 that is screwed to the lead screw 28 is provided on the first bearing plate 3. Upper seats 30 and lower seats 32 are provided on both sides of the lead screw 28 on the back plate 1. A guide optical axis 31 is provided between the upper seat 30 and the lower seat 32. A guide sleeve through which the guide optical axis 31 passes is provided on the first bearing plate 3. A through hole is provided on the first hinge block 9. A ball and a bolt are provided in the through hole. The bolt is screwed to one end of the through hole, and an annular baffle that can block the ball is provided at the opening of the other end of the through hole. A spring is provided between the ball and the bolt. A support rod 15 is provided between the upper body 2 and the base 6. Positioning grooves 16 for inserting the support rod 15 are provided on both the upper body 2 and the base 6.

[0035] Reference Figure 1 , Figure 3 , Figure 6 and Figure 7 As shown, the base 6 is provided with a second limiting plate 33 which can be against the lower end of the second bearing plate 4, the second limiting plate 33 is provided with a fourth through hole 34, the second bearing plate 4 is provided with a fifth through hole 35 which can be aligned with the fourth through hole 34, when the base 6 is horizontally fixed relative to the second bearing plate 4, the fourth through hole 34 is aligned with the fifth through hole 35, the fourth through hole 34 and the fifth through hole 35 are inserted with a positioning pin 21, the upper part of the positioning pin 21 is provided with a pull ring 22, the surface of the second hinge seat 10 facing the second hinge block 11 is perpendicular to the upper end surface of the second bearing plate 4, when the base 6 is horizontally fixed relative to the second bearing plate 4, the second hinge block 11 faces the surface of the second hinge seat 10 Perpendicular to the upper end face of the second hinge block 11, a groove 23 is provided on the surface of the second hinge seat 10 facing the second hinge block 11, and a protrusion 24 or a pin that can be inserted into the groove 23 is provided on the second hinge block 11. When the base 6 is vertically fixed relative to the bearing plate, the protrusion 24 or the pin is inserted into the groove 23. A through hole is provided on the second hinge seat 10, and a pin and a bolt are provided in the through hole. The bolt is screwed to one end of the through hole, and an annular baffle that can block the pin is provided at the other end of the through hole. A spring is provided between the pin and the bolt. A support rod 15 is provided between the upper body 2 and the base 6, and a positioning groove 16 for inserting the support rod 15 is provided on the upper body 2 and the base 6.

[0036] Reference Figure 2 As shown, when the upper body 2, the printing platform 5 and the base 6 need to be folded, first pull out all the positioning pins 21 on the upper body 2 and the base 6 through the pull ring 22, then flip the upper body 2 to the back of the back plate 1, and through the cooperation of the protrusion 24 / pin and the groove 23, the upper body 2 can be fixed parallel to the back plate 1 to prevent the upper body 2 from rotating, then flip the printing platform 5 upward by 90° and fold it, and through the cooperation of the protrusion 24 or the pin and the groove 23, the printing platform 5 can be fixed vertically relative to the first supporting plate 3 to prevent the printing platform 5 from rotating, finally, turn the base 6 upward by 90° and fold it, and through the cooperation of the protrusion 24 or the pin and the groove 23, the base 6 can be fixed vertically relative to the second supporting plate 4 to prevent the base 6 from rotating, thereby completing the folding of the upper body 2, the printing platform 5 and the base 6. After folding, the space occupied during transportation is greatly reduced, the transportation cost is reduced, and the volume is small after printing or when idle, which is convenient for storage.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A 3D printer, characterized in that: It includes a backplane and an upper body, a first carrier plate, and a second carrier plate that are sequentially arranged on the backplane from top to bottom. A printing platform is hingedly provided on the first carrier plate, and a base is hingedly provided on the second carrier plate. The base can be horizontally fixed or vertically fixed relative to the second carrier plate, and the printing platform can be horizontally fixed or vertically fixed relative to the first carrier plate. The first carrier plate and the printing platform can move up and down on the backplane, and the upper body can be vertically fixed or horizontally fixed relative to the backplane. The upper body includes a print head, and the print head can move back and forth, left and right on the upper body. A plurality of first hinge seats are provided on the first carrier plate, and first hinge blocks hinged to the first hinge seats are provided on the printing platform. A plurality of second hinge seats are provided on the second carrier plate, and second hinge blocks hinged to the second hinge seats are provided on the base. A plurality of third hinge seats are detachably provided on the upper part of the back surface of the backplane. A third hinge block is hinged to the upper end of the third hinge seat, and the other end of the third hinge block is hinged to a connecting block. The connecting block is detachably provided on the upper body. A first limiting plate is provided on the upper part of the front surface of the backplane, and a first through hole is provided on the first limiting plate. A second through hole that can be aligned with the first through hole is provided on the upper body. A third through hole that can be aligned with the first through hole and the second through hole is provided on the third hinge block. When the upper body is vertically fixed relative to the backplane, the first through hole is aligned with the second through hole and the third through hole, and a positioning pin is inserted into the first through hole, the second through hole, and the third through hole. A pull ring is provided on the upper part of the positioning pin. Grooves are provided on both the front and back sides of the third hinge block, and protrusions or balls that can be inserted into the grooves are provided on the third hinge seat and the connecting block. When the upper body is horizontally fixed relative to the backplane, the protrusions or balls of the hinge seat and the connecting block are inserted into the grooves. An L-shaped decorative plate is provided at the lower end of the outer edge of the upper body. When the upper body is vertically fixed relative to the backplane, both ends of the L-shaped decorative plate abut against the backplane. Through holes are provided on the third hinge seat and the connecting block, and balls and bolts are provided in the through holes. The bolt is screwed to one end of the through hole, and an annular baffle that can block the ball is provided at the opening of the other end of the through hole. A spring is provided between the ball and the bolt. A support rod is provided between the upper body and the base, and positioning grooves for inserting the support rod are provided on both the upper body and the base. The surface of the first hinge seat facing the first hinge block is perpendicular to the upper end surface of the first carrier plate. When the printing platform is horizontally fixed relative to the first carrier plate, the surface of the first hinge block facing the first hinge seat is perpendicular to the upper end surface of the first hinge block. A groove is provided on the upper end surface of the first hinge seat, and a protrusion or ball that can be inserted into the groove is provided on the first hinge block. When the printing platform is vertically fixed relative to the first carrier plate, the protrusion or ball is inserted into the groove.

2. The 3D printer according to claim 1, characterized in that: A screw seat and a motor are provided on the back plate, a screw is provided between the screw seat and the motor, the upper end of the screw is rotatably arranged on the screw seat, and the lower end is connected to the rotating shaft of the motor, a threaded sleeve is provided on the first bearing plate, which is screwed to the screw, an upper seat and a lower seat are provided on the back plates on the left and right sides of the screw, a guide light axis is provided between the upper seat and the lower seat, a guide sleeve for allowing the guide light axis to pass through is provided on the first bearing plate, a through hole is provided on the first hinge block, a ball and a bolt are provided in the through hole, the bolt is screwed to one end of the through hole, and an annular baffle for blocking the ball is provided at the other end of the through hole, a spring is provided between the ball and the bolt, a support rod is provided between the upper body and the base, and positioning grooves for inserting the support rod are provided on the upper body and the base.

3. The 3D printer according to claim 1, characterized in that: The base is provided with a second limit plate that can be against the lower end of the second supporting plate, the second limit plate is provided with a fourth through hole, the second supporting plate is provided with a fifth through hole that can be aligned with the fourth through hole, when the base is horizontally fixed relative to the second supporting plate, the fourth through hole is aligned with the fifth through hole, the fourth through hole and the fifth through hole are inserted with positioning pins, and a pull ring is provided on the upper part of the positioning pin.

4. The 3D printer according to claim 3, characterized in that: The surface of the second hinge seat facing the second hinge block is perpendicular to the upper end surface of the second bearing plate. When the base is horizontally fixed relative to the second bearing plate, the surface of the second hinge block facing the second hinge seat is perpendicular to the upper end surface of the second hinge block. A groove is provided on the surface of the second hinge seat facing the second hinge block. The second hinge block is provided with a protrusion or a pin that can be inserted into the groove. When the base is vertically fixed relative to the second bearing plate, the protrusion or the pin is inserted into the groove.

5. The 3D printer according to claim 4, characterized in that: A through hole is provided on the second hinged seat, and a ball and a bolt are provided in the through hole. The bolt is screwed to one end of the through hole, and an annular baffle that can block the ball is provided at the other end of the through hole. A spring is provided between the ball and the bolt, and a support rod is provided between the upper body and the base. Both the upper body and the base are provided with positioning grooves for inserting the support rod.

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