CN210880927U - A lifting device for safe forming platform of 3D printer - Google Patents

Abstract

The utility model discloses a be used for safe type shaping platform elevating gear of 3D printer belongs to 3D printer technical field, and it includes hollow core plate, hollow core plate's upper surface is connected through the lower fixed surface of two fixed plates and two frames, the left surface cup joints in the movable sleeve of frame, and the same brace table of opposite face fixedly connected with of two movable sleeves, be provided with drive arrangement in the hollow core plate, drive arrangement and driven gear meshing, the joint has the connecting axle in the driven gear, and the both ends of connecting axle are respectively through two screw thread posts and two rotating device's opposite face fixed connection. This be used for safe type shaping platform elevating gear of 3D printer, through changeing mutually supporting between handle, threaded rod, nut, backup pad and the second slider to can avoid lift platform at the course of the work, the staff mistake touches or presses the last switch of wrong lift platform, leads to the shower nozzle of 3D printer and the article that is printed to produce more serious damage.

Description

A lifting device for safe forming platform of 3D printer

technical field

The utility model belongs to the technical field of 3D printers, in particular to a lifting device for a safe molding platform for 3D printers.

Background technique

3D printers are divided into metal powder 3D printers and non-metal 3D printers. During the use of some non-metal 3D printers, they usually cooperate with the lifting platform for cumulative manufacturing. Pressing the up switch of the lifting platform by mistake will cause the printed items on the lifting platform to collide with the nozzle of the 3D printer, which may easily cause damage to the nozzle of the 3D printer and the printed items.

Utility model content

(1) Technical problems solved

In order to overcome the above-mentioned defects of the prior art, the utility model provides a lifting device for a safe molding platform for 3D printers, which solves the problem that during the working process of the lifting platform, if the staff touches or presses by mistake, the lifting platform rises. Switch, so that the printed items on the lifting platform will collide with the nozzle of the 3D printer, which will easily cause the problem of damage to the nozzle of the 3D printer and the printed items.

(2) Technical solutions

In order to achieve the above purpose, the present utility model provides the following technical solutions: a lifting device for a safe-type forming platform for 3D printers, comprising a hollow plate, the upper surface of the hollow plate is fixed by two fixing plates and the lower surfaces of the two frames. connection, the left side of the frame is sleeved in the movable sleeve, and the opposite surfaces of the two movable sleeves are fixedly connected to the same support table, the hollow plate is provided with a driving device, and the driving device is connected to the driven gear. mesh.

The driven gear is clamped with a connecting shaft, and the two ends of the connecting shaft are respectively fixedly connected with the opposite surfaces of the two rotating devices through two threaded columns, and the rotating devices are arranged on the left side of the fixed plate, so The threaded column is threadedly connected in the threaded cap, the lower surface of the threaded cap is fixedly connected with a first sliding block, and the two first sliding blocks are respectively slidably connected in the two first sliding grooves opened on the upper surface of the hollow plate, The upper surfaces of the two threaded caps and both sides of the lower surface of the support platform are fixedly connected with fixing blocks, and the four fixing blocks are hinged with the two connecting plates through four pin shafts.

The right side of the frame is clamped with a nut, the nut is internally threaded with a threaded rod, the right end of the threaded rod is provided with a turning handle, and the left end of the threaded rod is fixedly connected to the rotating shaft set on the right side of the support plate. At the right end of the device, the upper and lower surfaces of the support plate are fixedly connected with a second slider, and the second slider is slidably connected in the second chute opened on the lower surface of the inner wall of the frame. The left side of the support plate Several telescopic devices are fixedly connected to the surface, and the left end of the telescopic device is provided with several first triangular blocks, and one of the first triangular blocks overlaps the upper surface of the second triangular block provided on the right side of the support table.

As a further solution of the present invention, the driving device includes a motor, the motor is arranged in the hollow plate, the output shaft of the motor is clamped in the driving gear, and the driving gear is meshed with the driven gear.

As a further solution of the present invention, the input end of the motor is electrically connected to the output end of the peripheral switch through a wire, and the input end of the peripheral switch is electrically connected to the output end of the peripheral power supply through a wire.

As a further solution of the present invention, the rotating device includes a first rotating shaft, the first rotating shaft is fixedly connected to the right end of the threaded column, and the first rotating shaft is sleeved in a first bearing provided on the left side of the fixing plate.

As a further solution of the present invention, the rotating device includes a second rotating shaft, the second rotating shaft is fixedly connected to the left end of the threaded rod, and the second rotating shaft is sleeved in a second bearing provided on the right side of the support plate.

As a further solution of the present invention: the telescopic device includes a telescopic rod, the outer surface of the telescopic rod is sleeved with a spring, and the two ends of the spring and the telescopic rod are respectively connected to the right side of the first triangular block and the support plate fixed connection on the left side.

(3) Beneficial effects

Compared with the prior art, the beneficial effects of the present utility model are:

1. This lifting device for 3D printer safety molding platform, through the mutual cooperation between the turning handle, threaded rod, nut, support plate and the second slider, when the support table needs to be limited, by turning the turning handle , so that the turning handle drives the threaded rod to rotate, so that the threaded rod rotates to the left under the action of the threaded connection of the nut, so that the threaded rod drives the support plate to move leftward in the second chute through the second slider, so that the support plate passes through The telescopic rod drives the first triangular block to move to the left, so that the first triangular block and the second triangular block on the right side of the support table overlap each other, and then turn the left handle in the opposite way, so that the second triangular block on the left is connected with the second triangular block on the right side of the support table. The first triangular blocks overlap each other, so that the lifting position of the support table can be limited. Through the above operation, it can be avoided that the staff accidentally touches or presses the lifting switch of the lifting platform during the working process of the lifting platform, which will cause the 3D printer The nozzles and the printed items are seriously damaged.

2. The lifting device for the safe molding platform for 3D printers is provided with a driving gear and a driven gear, so that the driving gear drives the driven gear to rotate, so as to facilitate the transmission of power, and the gap between the driving gear and the driven gear is The transmission has the characteristics of high efficiency, accurate transmission, compact structure, reliable operation and long service life.

3. The lifting device for the safe molding platform for 3D printers is provided with the first slider and the first chute, and the shapes of the first slider and the first chute are both T-shaped, so that the first slider can be The first chute slides stably to avoid slipping out, thereby further ensuring more stable movement of the threaded cap.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the front view of the utility model;

Fig. 2 is the enlarged structural representation at the utility model A;

3 is a schematic cross-sectional structure diagram of the first sliding block of the present utility model from the right side;

In the figure: 1 hollow plate, 2 driven gear, 3 driving device, 31 motor, 32 driving gear, 4 connecting shaft, 5 threaded column, 6 rotating device, 61 first rotating shaft, 62 first bearing, 7 threaded cap, 8 Fixed plate, 9 frame, 10 support table, 11 fixed block, 12 pin shaft, 13 connecting plate, 14 first slider, 15 first chute, 16 movable sleeve, 17 first triangle block, 18 nut, 19 threaded rod , 20 handle, 21 rotation device, 211 second shaft, 212 second bearing, 22 second chute, 23 support plate, 24 telescopic device, 241 telescopic rod, 242 spring, 25 second slider, 26 second triangle piece.

Detailed ways

The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.

As shown in Figures 1-3, the present utility model provides a technical solution: a lifting device for a safe molding platform for 3D printers, comprising a hollow plate 1, and the upper surface of the hollow plate 1 passes through two fixed plates 8 and two The lower surface of the frame 9 is fixedly connected, and the left side of the frame 9 is sleeved in the movable sleeve 16. By arranging the movable sleeve 16, the movable sleeve 16 slides more stably outside the frame 9, thereby ensuring that the support table 10 moves more smoothly. It is stable, and the opposite surfaces of the two movable sleeves 16 are fixedly connected to the same support table 10. The hollow plate 1 is provided with a driving device 3, and the driving device 3 includes a motor 31. The motor 31 is arranged in the hollow plate 1. The output of the motor 31 The shaft is clamped in the driving gear 32, and the driving gear 32 is meshed with the driven gear 2. By setting the driving gear 32 and the driven gear 2, the driving gear 32 drives the driven gear 2 to rotate, thereby facilitating the transmission of power. And the transmission between the driving gear 32 and the driven gear 2 has the characteristics of high efficiency, relatively accurate transmission, compact structure, reliable operation and long service life. The input end of the motor 31 is electrically connected with the output end of the peripheral switch through a wire. By setting the peripheral switch, it is convenient to control the working state of the motor 31. The input end of the peripheral switch is electrically connected with the output terminal of the peripheral power supply through a wire. By setting the peripheral power supply, it is convenient to supply power to the motor 31, ensuring In normal operation of the motor 31 , the driving device 3 meshes with the driven gear 2 .

A connecting shaft 4 is clamped in the driven gear 2 , and both ends of the connecting shaft 4 are fixedly connected to the opposite surfaces of the two rotating devices 6 through two threaded columns 5 respectively. The rotating devices 6 include a first rotating shaft 61 , It is fixedly connected to the right end of the threaded column 5, and the first rotating shaft 61 is sleeved into the first bearing 62 provided on the left side of the fixed plate 8. By setting the first rotating shaft 61 and the first bearing 62, the first rotating shaft 61 is placed in the The rotation in a bearing 62 is more stable, thereby ensuring the stability of the rotation of the threaded column 5. The rotating device 6 is arranged on the left side of the fixed plate 8, the threaded column 5 is threadedly connected in the threaded cap 7, and the lower surface of the threaded cap 7 The first sliding block 14 is fixedly connected, and the two first sliding blocks 14 are respectively slidably connected in the two first sliding grooves 15 opened on the upper surface of the hollow plate 1. By setting the first sliding block 14 and the first sliding groove 15 , and the shapes of the first slider 14 and the first chute 15 are both T-shaped, so that the first slider 14 can slide stably in the first chute 15 to avoid slipping out, so as to further ensure the threaded cap 7 moves more stably, and the upper surfaces of the two threaded caps 7 and the two sides of the lower surface of the support table 10 are fixedly connected with fixing blocks 11, and the four fixing blocks 11 are connected to the two connecting plates 13 through the four pins 12. Hinged.

The right side of the frame 9 is clamped with a nut 18, the nut 18 is internally threaded with a threaded rod 19, and the right end of the threaded rod 19 is provided with a turning handle 20. By setting the turning handle 20, the turning handle 20 is made of rubber material, and the rubber material is made of rubber. It has a certain degree of slip resistance and softness, so that when the palm of the staff holds the handle 20, the handle 20 can provide sufficient friction for the staff, and at the same time, it can also provide the staff with good comfort, which is more convenient. For the operation and use of the staff, the left end of the threaded rod 19 is fixedly connected to the right end of the rotating device 21 provided on the right side of the support plate 23, and the upper and lower surfaces of the support plate 23 are fixedly connected with a second slider 25. The second slider 25 It is slidably connected in the second chute 22 opened on the lower surface of the inner wall of the frame 9. By setting the second sliding block 25 and the second sliding groove 22, the shape of the second sliding block 25 and the second sliding groove 22 is T-shaped. , so that the second slider 25 slides more stably in the second chute 22, thereby ensuring the stability of the movement of the support plate 23. The rotating device 21 includes a second rotating shaft 211, and the second rotating shaft 211 is fixedly connected to the threaded rod 19. The left end of the second shaft 211 is sleeved in the second bearing 212 provided on the right side of the support plate 23. By setting the second shaft 211 and the second bearing 212, the threaded rod 19 can pass through the second shaft 211 in the second bearing. 212, so that the normal rotation of the threaded rod 19 can be ensured. Several telescopic devices 24 are fixedly connected to the left side of the support plate 23. The telescopic device 24 includes a telescopic rod 241. By setting the telescopic rod 241, the spring 242 is stretched The outer surface of the telescopic rod 241 is sleeved with the spring 242, and the two ends of the spring 242 and the telescopic rod 241 are respectively connected with the right side of the first triangular block 17 and the support plate 23. The left side of the telescopic device 24 is fixedly connected, and the left end of the telescopic device 24 is provided with several first triangular blocks 17 , and one of the first triangular blocks 17 overlaps the upper surface of the second triangular block 26 provided on the right side of the support table 10 .

The working principle of the utility model is:

S1. When the support table 10 needs to be limited, the turning handle 20 is rotated, so that the turning handle 20 drives the threaded rod 19 to rotate, so that the threaded rod 19 rotates to the left under the action of the threaded connection of the nut 18, so that the threaded rod 19 The support plate 23 is driven to move leftward in the second chute 22 through the second slider 25, so that the support plate 23 drives the first triangular block 17 to move to the left through the telescopic rod 241, so that the first triangular block 17 and the support table 10 are moved to the left. The second triangular blocks 26 on the sides overlap each other;

S2, and then turn the left turning handle 20 in the opposite way, so that the left second triangular block 26 and the first triangular block 17 overlap each other, so that the lifting position of the support table 10 can be limited;

S3. By controlling the operation of the motor 31, the motor 31 can drive the driven gear 2 to rotate through the driving gear 32, so that the connecting shaft 4 drives the two threaded columns 5 to rotate, so that the two threaded columns 5 drive the two threaded caps 7 to move in opposite directions , so that the two threaded caps 7 drive the two connecting plates 13 to move against each other, so that the two connecting plates 13 press the spring 242 through the two first triangular blocks 17 and the second triangular block 26, so that the support table 10 can be downward move.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

The preferred embodiments of the present patent have been described in detail above, but the present patent is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various modifications can be made without departing from the purpose of the present patent. kind of change.

Claims (6)

1. A lifting device for a safe-type forming platform for a 3D printer, comprising a hollow board (1), characterized in that: the upper surface of the hollow board (1) is passed through two fixed plates (8) and two frames (9). ) is fixedly connected to the lower surface of the frame (9), the left side of the frame (9) is sleeved in the movable sleeve (16), and the opposite surfaces of the two movable sleeves (16) are fixedly connected with the same support table (10), so A driving device (3) is arranged in the hollow plate (1), and the driving device (3) is engaged with the driven gear (2); A connecting shaft (4) is clamped in the driven gear (2), and both ends of the connecting shaft (4) are fixedly connected to the opposite surfaces of the two rotating devices (6) through two threaded columns (5) respectively. , the rotating device (6) is arranged on the left side of the fixing plate (8), the threaded post (5) is threadedly connected in the threaded cap (7), and the lower surface of the threaded cap (7) is fixedly connected with a A first sliding block (14), and the two first sliding blocks (14) are respectively slidably connected in the two first sliding grooves (15) provided on the upper surface of the hollow plate (1), and the two threaded caps (7) Both sides of the upper surface and the lower surface of the support table (10) are fixedly connected with fixing blocks (11), and the four fixing blocks (11) are hinged with the two connecting plates (13) through four pin shafts (12); A nut (18) is clamped on the right side of the frame (9), a threaded rod (19) is internally threadedly connected to the nut (18), and a turning handle (20) is provided on the right end of the threaded rod (19). , the left end of the threaded rod (19) is fixedly connected to the right end of the rotating device (21) provided on the right side of the support plate (23), and the upper and lower surfaces of the support plate (23) are fixedly connected with a second slider (25), the second slider (25) is slidably connected in the second chute (22) opened on the lower surface of the inner wall of the frame (9), and the left side of the support plate (23) is fixedly connected with several a plurality of telescopic devices (24), the left end of the telescopic device (24) is provided with a plurality of first triangular blocks (17), and one of the first triangular blocks (17) is overlapped and arranged on the right side of the support table (10). the upper surface of the second triangular block (26). 2 . The lifting device for a safe forming platform for 3D printers according to claim 1 , wherein the driving device ( 3 ) comprises a motor ( 31 ), and the motor ( 31 ) is arranged on the hollow plate ( 2 . 2 . 1), the output shaft of the motor (31) is clamped in the driving gear (32), and the driving gear (32) meshes with the driven gear (2). 3. The lifting device for a safe molding platform for 3D printers according to claim 2, characterized in that: the input end of the motor (31) is electrically connected to the output end of the peripheral switch through a wire, and the external The input end of the switch is electrically connected with the output end of the peripheral power supply through a wire. 4. The lifting device for a safe forming platform for 3D printers according to claim 1, wherein the rotating device (6) comprises a first rotating shaft (61), and the first rotating shaft (61) is fixed Connected to the right end of the threaded column (5), the first rotating shaft (61) is sleeved in a first bearing (62) provided on the left side of the fixing plate (8). 5 . The lifting device for a safe forming platform for 3D printers according to claim 1 , wherein the rotating device ( 21 ) comprises a second rotating shaft ( 211 ), and the second rotating shaft ( 211 ) is fixed. 6 . Connected to the left end of the threaded rod (19), the second rotating shaft (211) is sleeved in a second bearing (212) provided on the right side of the support plate (23). 6 . The lifting device for a safe forming platform for 3D printers according to claim 1 , wherein the telescopic device ( 24 ) comprises a telescopic rod ( 241 ), and the outer surface of the telescopic rod ( 241 ). A spring (242) is sleeved, and both ends of the spring (242) and the telescopic rod (241) are respectively fixedly connected to the right side of the first triangular block (17) and the left side of the support plate (23).

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