CN210880927U

CN210880927U - Be used for safe type shaping platform elevating gear of 3D printer

Info

Publication number: CN210880927U
Application number: CN201921581216.6U
Authority: CN
Inventors: 刘峻; 刘一胜
Original assignee: Jiangsu Mingya Technology Co ltd
Current assignee: Jiangsu Mingya Technology Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-06-30
Anticipated expiration: 2029-09-23

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

Be used for safe type shaping platform elevating gear of 3D printer

Technical Field

The utility model belongs to the technical field of the 3D printer, specifically be a be used for safe type forming platform elevating gear of 3D printer.

Background

The 3D printer divide into metal powder 3D printer and non-metallic 3D printer, in some non-metallic 3D printer use, can cooperate together with lift platform to accumulate manufacturing usually, and lift platform is at the in-process of work, if staff's mistake touches or presses the rising switch of lift platform by mistake, make the last article that is printed of lift platform can collide with the shower nozzle of 3D printer, thereby easily cause the condition that the shower nozzle of 3D printer and the article that is printed appear damaging.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a be used for safe type forming platform elevating gear of 3D printer has solved lift platform at the in-process of work, if the staff mistake touches or presses the ascending switch of lift platform by mistake for the last article that is printed of lift platform can collide with the shower nozzle of 3D printer, thereby easily causes the shower nozzle of 3D printer and the problem of the condition that the article that is printed appears damaging.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for safe type shaping platform elevating gear of 3D printer, includes hollow core plate, the upper surface of hollow core plate 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 driven gear is internally clamped with a connecting shaft, two ends of the connecting shaft are respectively fixedly connected with opposite surfaces of two rotating devices through two threaded columns, the rotating devices are arranged on the left side surface of the fixed plate, the threaded columns are in threaded connection with threaded caps, the lower surface of each threaded cap is fixedly connected with a first slider, the two first sliders are respectively connected with two first chutes formed in the upper surface of the hollow plate in a sliding mode, fixed blocks are fixedly connected with the upper surfaces of the two threaded caps and the two sides of the lower surface of the supporting table, and the four fixed blocks are hinged with the two connecting plates through four pin shafts.

The right flank joint of frame has the nut, nut female connection has the threaded rod, the right-hand member of threaded rod is provided with changes the handle, the left end fixed connection of threaded rod is at the rotary device's that the backup pad right flank set up right-hand member, the equal fixedly connected with second slider in upper and lower two surfaces of backup pad, second slider sliding connection is in the second spout that the lower surface of frame inner wall was seted up, the left surface fixedly connected with a plurality of telescoping device of backup pad, the left end of telescoping device is provided with the first three hornblocks of a plurality of, and the upper surface of the second three hornblocks that one of them first three hornblock overlap joint set up at the brace table right flank.

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

As a further aspect of the present invention: the input end of the motor is electrically connected with the output end of a peripheral switch through a lead, and the input end of the peripheral switch is electrically connected with the output end of a peripheral power supply through a lead.

As a further aspect of the present invention: the rotating device comprises a first rotating shaft which is fixedly connected to the right end of the threaded column, and the first rotating shaft is sleeved in a first bearing arranged on the left side face of the fixing plate.

As a further aspect of the present invention: the rotating device comprises 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 arranged on the right side face of the supporting plate.

As a further aspect of the present invention: the telescopic device comprises a telescopic rod, a spring is sleeved on the outer surface of the telescopic rod, and the two ends of the spring and the telescopic rod are fixedly connected with the right side face of the first triangular block and the left side face of the supporting plate respectively.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the lifting device for the safe forming platform of the 3D printer comprises a rotating handle, a threaded rod, a nut, a supporting plate and a second slider, wherein the rotating handle is rotated to drive the threaded rod to rotate under the action of threaded connection of the nut when the supporting platform is required to be limited, the threaded rod drives the supporting plate to move leftwards in a second sliding groove through the second slider, the supporting plate drives a first triangular block to move leftwards through a telescopic rod, the first triangular block is in lap joint with a second triangular block on the right side of the supporting platform, and then the left rotating handle is rotated in an opposite mode to enable a second triangular block on the left side to be in lap joint with the first triangular block, so that the rising position of the supporting platform can be limited, and the lifting platform can be prevented from working through the operation, the staff mistake touches or presses the rising switch of wrong lift platform, leads to the shower nozzle of 3D printer and produces more serious damage by the article of being printed.

2. This be used for safe type forming platform elevating gear of 3D printer through setting up driving gear and driven gear for the driving gear drives driven gear and rotates, thereby is convenient for carry on the transmission of power, and the transmission between driving gear and the driven gear has efficient, and the transmission is more accurate, compact structure, reliable operation and long service life's characteristics.

3. This be used for safe type shaping platform elevating gear of 3D printer, through setting up first slider and first spout, and the shape of first slider and first spout is the T shape for first slider can be in the stable slip of first spout, avoids the condition of roll-off, thereby can further guarantee more stable that the screw cap removed.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view at a position a of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the first slider viewed from the right of the present invention;

in the figure: the device comprises a hollow plate 1, a driven gear 2, a driving device 3, a motor 31, a driving gear 32, a connecting shaft 4, a threaded column 5, a rotating device 6, a first rotating shaft 61, a first bearing 62, a threaded cap 7, a fixing plate 8, a frame 9, a supporting table 10, a fixing block 11, a pin shaft 12, a connecting plate 13, a first sliding block 14, a first sliding groove 15, a movable sleeve 16, a first triangular block 17, a nut 18, a threaded rod 19, a rotating handle 20, a rotating device 21, a second rotating shaft 211, a second bearing 212, a second sliding groove 22, a supporting plate 23, a telescopic device 24, a telescopic rod 241, a spring 242, a second sliding block 25 and a second triangular block 26.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the utility model provides a technical solution: a lifting device for a safe forming platform of a 3D printer comprises a hollow plate 1, the upper surface of the hollow plate 1 is fixedly connected with the lower surfaces of two frames 9 through two fixing plates 8, the left side surface of each frame 9 is sleeved in a movable sleeve 16, the movable sleeve 16 is enabled to slide more stably outside the frame 9 by arranging the movable sleeve 16, so that the movement of a supporting table 10 can be ensured to be more stable, the opposite surfaces of the two movable sleeves 16 are fixedly connected with the same supporting table 10, a driving device 3 is arranged in the hollow plate 1, the driving device 3 comprises a motor 31, the motor 31 is arranged in the hollow plate 1, an output shaft of the motor 31 is clamped in a driving gear 32, the driving gear 32 is meshed with a driven gear 2, the driving gear 32 drives the driven gear 2 to rotate by arranging the driving gear 32 and the driven gear 2, so that the transmission of force is facilitated, and the transmission between the driving gear 32 and the driven gear 2 has the characteristics of high efficiency, accurate transmission, compact structure, reliable work and long service life, the input end of the motor 31 is electrically connected with the output end of the peripheral switch through a lead, the working state of the motor 31 is conveniently controlled by arranging the peripheral switch, the input end of the peripheral switch is electrically connected with the output end of the peripheral power supply through a lead, the power supply for the motor 31 is conveniently supplied by arranging the peripheral power supply, the normal work of the motor 31 is ensured, and the driving device 3 is meshed with the driven gear 2.

The driven gear 2 is internally connected with a connecting shaft 4 in a clamping manner, two ends of the connecting shaft 4 are respectively fixedly connected with opposite surfaces of two rotating devices 6 through two threaded columns 5, each rotating device 6 comprises a first rotating shaft 61, the first rotating shaft 61 is fixedly connected at the right end of the threaded column 5, the first rotating shaft 61 is sleeved in a first bearing 62 arranged on the left side surface of a fixed plate 8, the first rotating shaft 61 and the first bearing 62 are arranged, so that the first rotating shaft 61 rotates in the first bearing 62 more stably, the rotating stability of the threaded column 5 is ensured, the rotating device 6 is arranged on the left side surface of the fixed plate 8, the threaded column 5 is in a threaded cap 7, a first sliding block 14 is fixedly connected to the lower surface of the threaded cap 7, the two first sliding blocks 14 are respectively connected in two first sliding chutes 15 formed in the upper surface of the hollow plate 1 in a sliding manner, and through the arrangement of the first sliding blocks 14 and the first sliding chutes 15, and the shape of first slider 14 and first spout 15 is the T shape for first slider 14 can be in the stable slip of first spout 15, avoids the condition of roll-off, thereby can further guarantee that screw cap 7 removes more stably, and the equal fixedly connected with fixed block 11 in both sides of the upper surface of two screw caps 7 and brace table 10 lower surface, and four fixed blocks 11 are articulated with two connecting plates 13 through four round pin axles 12.

The right side surface of the frame 9 is connected with a nut 18 in a clamping way, a threaded rod 19 is connected in the nut 18 in an internal thread way, a rotating handle 20 is arranged at the right end of the threaded rod 19, the rotating handle 20 is arranged through the rotating handle 20, the rotating handle 20 is made of rubber, and the rubber has certain anti-skid property and flexibility, so that when a palm of a worker holds the rotating handle 20, the rotating handle 20 can provide sufficient friction force for the worker, and simultaneously can provide good comfort for the worker, thereby being more convenient for the worker to operate and use, the left end of the threaded rod 19 is fixedly connected at the right end of a rotating device 21 arranged at the right side surface of a supporting plate 23, the upper surface and the lower surface of the supporting plate 23 are fixedly connected with second sliding blocks 25, the second sliding blocks 25 are slidably connected in second sliding grooves 22 formed in the lower surface of the inner wall of the frame 9, and through the arrangement of the second sliding blocks 25 and the, thereby making the second slider 25 slide more stably in the second sliding groove 22, thereby ensuring the stability of the movement of the support plate 23, the rotating device 21 includes a second rotating shaft 211, the second rotating shaft 211 is fixedly connected to the left end of the threaded rod 19, the second rotating shaft 211 is sleeved in a second bearing 212 arranged on the right side surface of the support plate 23, by arranging the second rotating shaft 211 and the second bearing 212, the threaded rod 19 can rotate in the second bearing 212 through the second rotating shaft 211, thereby ensuring the normal rotation work of the threaded rod 19, the left side surface of the support plate 23 is fixedly connected with a plurality of expansion devices 24, the expansion devices 24 include an expansion link 241, by arranging the expansion link 241, the spring 242 is more stable when expanding and contracting, the situation that the spring 242 inclines when expanding and contracting is avoided, the outer surface of the expansion link 241 is sleeved with the spring 242, both ends of the spring 242 and the expansion link 241 are respectively fixedly connected with the right side surface of the first triangular block 17, 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 lapped on the upper surface of a second triangular block 26 arranged on the right side surface of the support table 10.

The utility model discloses a theory of operation does:

s1, when the supporting table 10 needs to be limited, the rotating handle 20 is rotated to drive the threaded rod 19 to rotate, the threaded rod 19 rotates leftwards under the effect of threaded connection of the nut 18, the threaded rod 19 drives the supporting plate 23 to move leftwards in the second sliding groove 22 through the second sliding block 25, the supporting plate 23 drives the first triangular block 17 to move leftwards through the telescopic rod 241, and the first triangular block 17 is enabled to be mutually overlapped with the second triangular block 26 on the right side of the supporting table 10;

s2, and then the left handle 20 is turned in the opposite way to make the second triangle block 26 and the first triangle block 17 overlap each other, so as to limit the ascending position of the support table 10;

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, the connecting shaft 4 drives the two screw posts 5 to rotate, the two screw posts 5 drive the two screw caps 7 to move back to back, the two screw caps 7 drive the two connecting plates 13 to move back to back, the two connecting plates 13 extrude the spring 242 through the two first triangular blocks 17 and the second triangular block 26, and the supporting table 10 can move downward.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a be used for safe type shaping platform elevating gear of 3D printer, includes hollow slab (1), its characterized in that: the upper surface of the hollow plate (1) is fixedly connected with the lower surfaces of two frames (9) through two fixing plates (8), the left side surface of each frame (9) is sleeved in a movable sleeve (16), the opposite surfaces of the two movable sleeves (16) are fixedly connected with the same supporting table (10), a driving device (3) is arranged in the hollow plate (1), and the driving device (3) is meshed with the driven gear (2);

the connecting shaft (4) is connected in a clamping mode in the driven gear (2), two ends of the connecting shaft (4) are fixedly connected with opposite surfaces of two rotating devices (6) through two threaded columns (5) respectively, the rotating devices (6) are arranged on the left side surface of the fixing plate (8), the threaded columns (5) are connected in threaded caps (7) in a threaded mode, the lower surface of each threaded cap (7) is fixedly connected with a first sliding block (14), the two first sliding blocks (14) are connected in two first sliding grooves (15) formed in the upper surface of the hollow plate (1) in a sliding mode respectively, fixed blocks (11) are fixedly connected to the upper surfaces of the two threaded caps (7) and two sides of the lower surface of the supporting table (10), and the four fixed blocks (11) are hinged to the two connecting plates (13) through four pin shafts (12);

the right side surface of the frame (9) is clamped with a nut (18), the nut (18) is internally threaded with a threaded rod (19), the right end of the threaded rod (19) is provided with a rotating handle (20), the left end of the threaded rod (19) is fixedly connected with the right end of a rotating device (21) arranged on the right side surface of the supporting plate (23), the upper surface and the lower surface of the supporting plate (23) are both fixedly connected with a second sliding block (25), the second sliding block (25) is connected in a second sliding groove (22) arranged on the lower surface of the inner wall of the frame (9) in a sliding way, the left side surface of the supporting plate (23) is fixedly connected with 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 first triangular block (17) is lapped on the upper surface of a second triangular block (26) arranged on the right side surface of the support table (10).

2. The safety type molding platform lifting device for the 3D printer according to claim 1, characterized in that: the driving device (3) comprises a motor (31), the motor (31) is arranged in the hollow plate (1), an output shaft of the motor (31) is clamped in the driving gear (32), and the driving gear (32) is meshed with the driven gear (2).

3. The safety type molding platform lifting device for the 3D printer according to claim 2, characterized in that: the input end of the motor (31) is electrically connected with the output end of a peripheral switch through a lead, and the input end of the peripheral switch is electrically connected with the output end of a peripheral power supply through a lead.

4. The safety type molding platform lifting device for the 3D printer according to claim 1, characterized in that: rotating device (6) include first pivot (61), first pivot (61) fixed connection is at the right-hand member of screw thread post (5), first pivot (61) cup joint in first bearing (62) that fixed plate (8) left surface set up.

5. The safety type molding platform lifting device for the 3D printer according to claim 1, characterized in that: the rotating device (21) comprises a second rotating shaft (211), the second rotating shaft (211) is fixedly connected to the left end of the threaded rod (19), and the second rotating shaft (211) is sleeved in a second bearing (212) arranged on the right side face of the supporting plate (23).

6. The safety type molding platform lifting device for the 3D printer according to claim 1, characterized in that: the telescopic device (24) comprises a telescopic rod (241), a spring (242) is sleeved on the outer surface of the telescopic rod (241), and two ends of the spring (242) and the telescopic rod (241) are fixedly connected with the right side face of the first triangular block (17) and the left side face of the supporting plate (23) respectively.