CN111217173A

CN111217173A - Device for winding 3D printing material

Info

Publication number: CN111217173A
Application number: CN202010148672.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Ningbo Otai Gold Stationery Co ltd
Current assignee: Ningbo Otai Gold Stationery Co ltd; Ningbo Ou Tai Jin Stationery Co Ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-06-02

Abstract

The invention relates to the field of 3D printing, in particular to a device for winding 3D printing materials, which comprises a machine body and a winding cavity arranged in the machine body, a gear cavity is arranged in the end wall of the winding cavity kitchen, a first rotating shaft is rotatably arranged between the winding cavity and the gear cavity, a rotating frame is fixedly arranged at the tail end of the first rotating shaft in the winding cavity, an annular groove with a backward opening is arranged in the wall of the rear end of the rotating frame, the rotatable winding shafts are symmetrically arranged in the annular groove in the left and right directions, the device for winding the 3D printing material can wind the 3D printing material when the 3D printing material is produced, thereby use when coiling 3D printing consumables on coiling bucket convenient to 3D prints, this equipment degree of automation is high, can send line tangent line operation automatically, and equipment efficiency is high, is worth promoting.

Description

Device for winding 3D printing material

Technical Field

The invention relates to the field of 3D printing, in particular to a device for winding 3D printing materials.

Background

The demand of people to the consumptive material in 3D printing field is very huge, when 3D printing consumptive material production, often because traditional equipment efficiency is not high to lead to the production progress slower, and traditional 3D printing material coiling equipment inhomogeneous when coiling leads to moreover, and statistics reel coiling consumptive material quantity differs, consequently is necessary to set up a device that is used for 3D printing material to coil and improves above-mentioned problem.

Disclosure of Invention

The object of the present invention is to provide a device for 3D printing material winding that overcomes the above-mentioned drawbacks of the prior art, thereby improving the practicality of the device.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a device for winding 3D printing materials, which comprises a machine body and a winding cavity arranged in the machine body, wherein a gear cavity is arranged in the end wall of a kitchen behind the winding cavity, a first rotating shaft is rotatably arranged between the winding cavity and the gear cavity, a rotating frame is fixedly arranged at the tail end of the first rotating shaft in the winding cavity, an annular groove with a backward opening is arranged in the wall of the rear side end of the rotating frame, rotatable winding shafts are symmetrically arranged in the annular groove in a left-right mode, a first gear is fixedly arranged at the tail end of the winding shaft in the annular groove, a clamping groove is arranged in the wall of the front side end of the winding shaft, two first springs which are symmetrically arranged in the left-right mode are fixedly arranged on the wall of the rear side end of the clamping groove, the winding shaft can be used for fixing a winding barrel, a through hole which is communicated from front to back is arranged, a through hole penetrating through a winding shaft arranged in the winding barrel is arranged in the end wall of one side, close to each other, of each of the left and right lugs, a rotating device used for the rotating frame and the winding shaft to rotate is arranged between the gear cavity and the winding cavity, the rotating frame can be used for replacing the left and right winding shafts when rotating, so that the transmission of the winding barrel is realized, the winding shaft can drive the winding barrel to rotate when rotating, so that the winding of printing raw materials is realized, an operation cavity communicated with the winding cavity is arranged in the wall of the front side end of the machine body, a wire releasing cavity with a forward opening is arranged in the wall of the rear side end of the operation cavity, a sliding groove communicated with the winding cavity is arranged on the right side of the wire releasing cavity, a first hollow column and a second hollow column positioned on the right side of the first hollow column are slidably arranged in the sliding groove, the printing material winding device is characterized in that a second spring is arranged between the first hollow column and the end wall of the left side of the sliding groove, a third spring is arranged between the second hollow column and the end wall of the winding cavity, a wire feeding hole communicated with the wire releasing cavity is formed in the end wall of the left side of the sliding groove, a wire feeding device is arranged in the end wall of the wire feeding hole, the wire feeding device can drive the winding barrel on the right side to move back and forth when feeding wires, so that printing materials are uniformly wound on the surface of the winding barrel, cutting devices are arranged in the upper end wall and the lower end wall of the sliding groove and act along with the increase of the winding materials on the surface of the winding barrel, and when the surface of the winding barrel is wound with enough printing materials, the cutting devices can cut.

Furthermore, the cutting device comprises first cam cavities symmetrically arranged at the upper side and the lower side of the sliding groove, a sliding hole is communicated between the first cam cavities and the sliding groove, a sliding rod and a cutting knife for cutting are slidably arranged in the sliding hole, a fourth spring is arranged between the cutting knife and the sliding rod, a fifth spring is arranged between the sliding rod and the end wall of the first cam cavity, rotating cavities with opposite openings are arranged in the upper end wall and the lower end wall of the sliding groove, a second rotating shaft is rotatably arranged between the rotating cavity and a belt cavity arranged in the rear end wall of the rotating cavity, a second gear meshed with a rack fixed on the surface of the second hollow column is fixedly arranged at the tail end of the second rotating shaft in the rotating cavity, a first belt wheel is fixedly arranged at the tail end of the second rotating shaft in the belt cavity, and a third rotating shaft is rotatably arranged between the belt cavity and the first cam cavity, the tail end of the third rotating shaft in the belt cavity is fixedly provided with a second belt wheel, the second belt wheel is connected with the first belt wheel in a belt transmission matching mode, and the tail end of the third rotating shaft in the first cam cavity is fixedly provided with a first cam.

Further, the wire feeding device comprises roller cavities symmetrically arranged in the upper end wall and the lower end wall of the wire feeding hole, a worm wheel cavity is arranged on the front side of the roller cavity, a fourth rotating shaft is rotatably arranged between the worm wheel cavity and the roller cavity, a wire feeding wheel is fixedly arranged at the tail end of the fourth rotating shaft in the roller cavity, a worm wheel is fixedly arranged at the tail end of the fourth rotating shaft in the worm wheel cavity, a second cam cavity is arranged on the front side of the winding cavity, a first guide sliding hole is communicated between the second cam cavity and the winding cavity, a first ejector rod is slidably arranged in the first guide sliding hole, a transmission cavity is arranged on the left side of the second cam cavity, worms meshed with the upper worm wheel and the lower worm wheel are rotatably arranged between the transmission cavity and the worm wheel cavity, the worms are in power connection with a first motor fixedly arranged in the left end wall of the worm wheel cavity, and a spline sleeve is fixedly arranged at the tail end of the worms in the transmission cavity, second cam chamber right side is provided with third cam chamber, third cam chamber with it runs through to rotate between the transmission chamber the fifth pivot in second cam chamber, in the second cam chamber fifth pivot external surface fixed is provided with the second cam, be provided with about in the fifth pivot about the splined hole that link up, splined hole internal spline is connected with the integral key shaft, the integral key shaft with be provided with the sixth spring that is in compression state between fifth pivot right side end wall, the integral key shaft can with spline housing splined connection.

Further, the rotating device comprises a communicating cavity communicated between the gear cavity and the winding cavity, a sliding block is slidably arranged in the communicating cavity, a second motor is fixedly arranged in the sliding block, a third gear meshed with the first gear on the right side is fixedly arranged on the front side of an output shaft of the second motor, a fifth gear meshed with the fourth gear is fixedly arranged on the rear side of the output shaft of the second motor, a seventh spring is arranged between the sliding block and the communicating cavity, a second sliding guide hole is communicated between the communicating cavity and a fourth cam cavity arranged in the end wall of the right side of the machine body, a second ejector rod fixedly connected with the sliding block is slidably arranged in the second sliding guide hole, a sixth rotating shaft in power connection with a third motor fixedly arranged in the end wall of the front side of the third cam cavity is rotatably arranged between the fourth cam cavity and the third cam cavity, and a third cam is fixedly arranged on the outer surface of a sixth rotating shaft in the third cam cavity, and a fourth cam is fixedly arranged at the tail end of the sixth rotating shaft in the fourth cam cavity.

The invention has the beneficial effects that: the device for winding the 3D printing material, provided by the invention, can be used for winding the 3D printing consumable during production of the 3D printing consumable, so that the 3D printing consumable is wound above the winding barrel and is convenient to use during 3D printing.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a top view of the overall structure of an apparatus for 3D printing material winding according to the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

FIG. 3 is a schematic diagram of B-B in FIG. 1.

Fig. 4 is an enlarged schematic view of C in fig. 3.

Fig. 5 is a schematic diagram of the structure of D-D in fig. 4.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The device for winding 3D printing material described with reference to fig. 1-5 includes a body 10 and a winding cavity 32 disposed in the body 10, a gear cavity 11 is disposed in a kitchen end wall of the winding cavity 32, a first rotating shaft 13 is rotatably disposed between the winding cavity 32 and the gear cavity 11, a rotating frame 30 is fixedly disposed at a terminal of the first rotating shaft 13 in the winding cavity 32, an annular groove 29 with a backward opening is disposed in a rear end wall of the rotating frame 30, rotatable winding shafts 28 are symmetrically disposed in the annular groove 29, a first gear 31 is fixedly disposed at a terminal of the winding shaft 28 in the annular groove 29, a clamping groove 26 is disposed in a front end wall of the winding shaft 28, two first springs 27 are fixedly disposed on a rear end wall of the clamping groove 26, and the winding shaft 28 can be used for fixing a winding barrel 48, a through hole 51 which is through from front to back is arranged in the winding barrel 48, a lug 49 which can be clamped in the clamping groove 26 is fixedly arranged on the left end wall and the right end wall of the through hole 51, a through hole 50 which penetrates through a winding shaft 52 arranged in the winding barrel 48 is arranged in the end wall of one side where the left lug 49 and the right lug 49 are close to each other, a rotating device 99 which is used for rotating the rotating frame 30 and the winding shaft 28 is arranged between the gear cavity 11 and the winding cavity 32, the rotating frame 30 can be exchanged for the left winding shaft 28 and the right winding shaft 28 when rotating, so that the transmission of the winding barrel 48 is realized, the winding shaft 28 can drive the winding barrel 48 to rotate when rotating, so that the winding of printing raw materials is realized, an operation cavity 24 which is communicated with the winding cavity 32 is arranged in the front side end wall of the machine body 10, a wire releasing cavity 25 with a forward opening is arranged in the rear end wall, a first hollow column 63 and a second hollow column 60 positioned at the right side of the first hollow column 63 are slidably arranged in the sliding groove 61, a through hole 62 which is penetrated up and down is arranged in the first hollow column 63, a second spring 59 is arranged between the first hollow column 63 and the left end wall of the sliding groove 61, a third spring 77 is arranged between the second hollow column 60 and the end wall of the winding cavity 32, a wire feeding hole 58 communicated with the wire releasing cavity 25 is arranged in the left end wall of the sliding groove 61, a wire feeding device 98 is arranged in the end wall of the wire feeding hole 58, the wire feeding device 98 can drive the winding barrel 48 sleeved on the surface of the winding shaft 28 at the right side to move back and forth while feeding wires, so that the printing material is uniformly wound on the surface of the winding barrel 48, cutting devices 97 are arranged in the upper end wall and the lower end wall of the sliding groove 61, and the cutting devices 97 act along with the increase of the winding material, when a sufficient amount of printing material is wound on the surface of the winding drum 48, the cutting device 97 can cut off the printing material.

Beneficially, the cutting device 97 includes first cam cavities 78 symmetrically disposed on the upper and lower sides of the sliding groove 61, a sliding hole 66 is disposed between the first cam cavities 78 and the sliding groove 61, a sliding rod 55 and a cutting knife 64 for cutting are slidably disposed in the sliding hole 66, a fourth spring 65 is disposed between the cutting knife 64 and the sliding rod 55, a fifth spring 54 is disposed between the end walls of the sliding rod 55 and the first cam cavity 78, a rotating cavity 68 with opposite openings is disposed in the upper and lower end walls of the sliding groove 61, a second rotating shaft 69 is rotatably disposed between the rotating cavity 68 and a belt cavity 67 disposed in the rear end wall of the rotating cavity 68, a second gear 70 engaged with a rack 71 fixed on the surface of the second hollow column 60 is fixedly disposed at the end of the second rotating shaft 69 in the rotating cavity 68, a first belt 72 is fixedly disposed at the end of the second rotating shaft 69 in the belt cavity 67, belt chamber 67 with it is provided with third pivot 75 to rotate between the first cam chamber 78, in the belt chamber 67 third pivot 75 end is fixed and is provided with second band pulley 74, second band pulley 74 with be connected by belt 73 transmission cooperation between the first band pulley 72, in the first cam chamber 78 third pivot 75 end is fixed and is provided with first cam 53.

Beneficially, the wire feeding device 98 includes roller cavities 56 symmetrically disposed in the upper and lower end walls of the wire feeding hole 58, a worm wheel cavity 35 is disposed at the front side of the roller cavity 56, a fourth rotating shaft 34 is rotatably disposed between the worm wheel cavity 35 and the roller cavity 56, a wire feeding wheel 57 is fixedly disposed at the tail end of the fourth rotating shaft 34 in the roller cavity 56, a worm wheel 33 is fixedly disposed at the tail end of the fourth rotating shaft 34 in the worm wheel cavity 35, a second cam cavity 41 is disposed at the front side of the winding cavity 32, a first sliding guide hole 79 is communicatively disposed between the second cam cavity 41 and the winding cavity 32, a first push rod 80 is slidably disposed in the first sliding guide hole 79, a transmission cavity 38 is disposed at the left side of the second cam cavity 41, a worm 36 engaged with the upper and lower worm wheels 33 is rotatably disposed between the transmission cavity 38 and the worm wheel cavity 35, the worm 36 is in power connection with a first motor 81 fixedly disposed in the left end wall of the worm wheel cavity 35, in the transmission chamber 38 worm 36 end is fixed and is provided with spline housing 37, second cam chamber 41 right side is provided with third cam chamber 45, third cam chamber 45 with it runs through to rotate between the transmission chamber 38 fifth pivot 39 in second cam chamber 41, in the second cam chamber 41 fifth pivot 39 external fixed surface is provided with second cam 40, be provided with about in the fifth pivot 39 about the spline hole 43 that link up, spline shaft 42 is connected with spline shaft 42 in the spline hole 43, spline shaft 42 with be provided with the sixth spring 44 that is in compression state between the fifth pivot 39 right side end wall, spline shaft 42 can with spline housing 37 splined connection.

Beneficially, the rotating device 99 includes a communicating cavity 18 communicated between the gear cavity 11 and the winding cavity 32, a sliding block 16 is slidably disposed in the communicating cavity 18, a second motor 17 is fixedly disposed in the sliding block 16, a third gear 23 meshed with the first gear 31 on the right side is fixedly disposed on the front side of an output shaft of the second motor 17, a fifth gear 15 meshed with the fourth gear 12 is fixedly disposed on the rear side of the output shaft of the second motor 17, a seventh spring 14 is disposed between the sliding block 16 and the communicating cavity 18, a second sliding guide hole 19 is communicated between the communicating cavity 18 and a fourth cam cavity 22 disposed in the right end wall of the body 10, a second ejector rod 20 fixedly connected with the sliding block 16 is slidably disposed in the second sliding guide hole 19, and a second cam cavity fixedly disposed in the front end wall of the third cam cavity 45 is rotatably disposed between the fourth cam cavity 22 and the third cam cavity 45 The third motor 47 is connected with the sixth rotating shaft 76 in a power mode, the outer surface of the sixth rotating shaft 76 in the third cam cavity 45 is fixedly provided with a third cam 46, and the tail end of the sixth rotating shaft 76 in the fourth cam cavity 22 is fixedly provided with a fourth cam 21.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

Sequence of mechanical actions of the whole device:

when the device of the present invention works, the third motor 47 is started to rotate to drive the sixth rotating shaft 76 to rotate, so as to drive the third cam 46 to rotate for a half cycle, at this time, the spline shaft 42 moves out of the spline housing 37 to the right under the action of the sixth spring 44, and at the same time, the fourth cam 21 rotates for a half cycle under the action of the sixth rotating shaft 76, so as to push the second ejector rod 20 to move to the left, so as to drive the sliding block 16 to move to the left, so as to drive the fifth gear 15 to move to the left to be engaged with the fourth gear 12, at this time, a winding barrel 48 is sleeved on the clamping groove 26 to the left, at the same time, the tail end of the printing material extends into the wire feeding hole 58 through the wire feeding cavity 25 between the upper and lower wire feeding wheels 57, at this time, the second motor 17 is started to drive the fifth gear 15 to rotate, so as to drive the fourth gear 12 to rotate, so as to, thereby driving the left and right winding shafts 28 to change positions, when the left winding drum 48 rotates to the right, the first motor 81 is started to drive the worm wheel 33 to rotate, thereby driving the wire feeding wheel 57 to rotate, thereby conveying the printing material between the upper and lower wire feeding wheels 57 to the right, when the printing material moves to the right through the through hole 50 to the right side of the winding drum 48, the third motor 47 is started to rotate again for half a circle, when the spline shaft 42 moves to the left under the action of the third cam 46 and is inserted into the spline housing 37, and after the fourth cam 21 rotates for half a circle, the slide block 16 moves to the right under the action of the seventh spring 14, thereby driving the third gear 23 to mesh with the first gear 31 on the right, when the second motor 17 and the first motor 81 are started, the second motor 17 rotates to drive the third gear 23 to rotate, thereby driving the first gear 31 on the right side to rotate, driving the winding drum 48 to rotate and wind the printing material, at the same time, the first motor 81 drives the wire feeding wheel 57 to rotate and continuously feed the printing material into the winding drum 48, at the same time, the first motor 81 rotates and drives the worm 36 to rotate and simultaneously drives the spline housing 37 to rotate, thereby driving the spline shaft 42 to rotate, thereby driving the fifth rotating shaft 39 to rotate, thereby driving the second cam 40 to rotate, thereby driving the first push rod 80 to move back and forth, thereby driving the winding drum 48 to move back and forth, thereby ensuring that the printing material is uniformly wound on the surface of the winding shaft 52, as the surface printing material on the winding shaft 52 increases, the surface printing material on the winding shaft 52 pushes the second hollow column 60 leftward, and the second hollow column 60 moves leftward and drives the second gear 70 to rotate, the first belt pulley 72 is driven to rotate, the second belt pulley 74 is driven to rotate, the first cam 53 is driven to rotate to push the fifth spring 54, the fifth spring 54 moves to extrude the fourth spring 65, when the second hollow column 60 moves leftwards to abut against the first hollow column 63, the first hollow column 63 moves leftwards to drive the via hole 62 to move leftwards, when the via hole 62 is aligned with the sliding hole 66, the cutting knife 64 is inserted into the via hole 62 under the action of the fourth spring 65 to cut off printing materials passing through the first hollow column 63, so that one winding is completed, the steps are repeated, the left winding barrel 48 and the right winding barrel 48 are switched, and the wound printing material roll is manually taken out.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A device for 3D printing material is convoluteed, includes the fuselage and sets up in the coiling chamber in the fuselage, its characterized in that: a gear cavity is arranged in the end wall of the winding cavity rear cabinet, a first rotating shaft is rotatably arranged between the winding cavity and the gear cavity, a rotating frame is fixedly arranged at the tail end of the first rotating shaft in the winding cavity, an annular groove with a backward opening is arranged in the wall of the rear side end of the rotating frame, rotatable winding shafts are symmetrically arranged in the annular groove left and right, a first gear is fixedly arranged at the tail end of the winding shaft in the annular groove, a clamping groove is arranged in the wall of the front side end of the winding shaft, two first springs which are symmetrically arranged on the left and right are fixedly arranged on the wall of the rear side end of the clamping groove, the winding shaft can be used for fixing a winding barrel, a through hole which is communicated from front to back is arranged in the winding barrel, convex blocks which can be clamped in the clamping groove are fixedly arranged on the left end wall and the right end wall of, a rotating device used for the rotating frame and the winding shaft to rotate is arranged between the gear cavity and the winding cavity, the rotating frame can be used for exchanging a left winding shaft and a right winding shaft when rotating, so that the transmission of a winding barrel is realized, the winding shaft can drive the winding barrel to rotate when rotating, so that the winding of printing raw materials is realized, an operation cavity communicated with the winding cavity is arranged in the front side end wall of the machine body, a wire releasing cavity with a forward opening is arranged in the rear side end wall of the operation cavity, a sliding groove communicated with the winding cavity is arranged on the right side of the wire releasing cavity, a first hollow column and a second hollow column positioned on the right side of the first hollow column are slidably arranged in the sliding groove, a through hole communicated from top to bottom is arranged in the first hollow column, a second spring is arranged between the first hollow column and the left side end wall of the sliding groove, and a third spring is arranged between the second hollow column and the end, the printing material winding device is characterized in that a wire feeding hole communicated with the wire releasing cavity is formed in the end wall of the left side of the sliding groove, a wire feeding device is arranged in the end wall of the wire feeding hole, the wire feeding device can drive the winding barrel sleeved on the surface of the winding shaft on the right side to move back and forth while feeding wires, so that the printing material is uniformly wound on the surface of the winding barrel, cutting devices are arranged in the upper end wall and the lower end wall of the sliding groove and act along with the increase of the winding material on the surface of the winding barrel, and when sufficient printing material is wound on the surface of the winding barrel, the cutting devices can.

2. The apparatus for 3D printed material winding according to claim 1, characterized in that: the cutting device comprises first cam cavities symmetrically arranged at the upper side and the lower side of the sliding groove, a sliding hole is communicated between the first cam cavities and the sliding groove, a sliding rod and a cutting knife used for cutting are slidably arranged in the sliding hole, a fourth spring is arranged between the cutting knife and the sliding rod, a fifth spring is arranged between the sliding rod and the end wall of the first cam cavity, rotating cavities with opposite openings are arranged in the upper end wall and the lower end wall of the sliding groove, a second rotating shaft is rotatably arranged between the rotating cavity and a belt cavity arranged in the rear end wall of the rotating cavity, a second gear meshed with a rack fixed on the surface of the second hollow column is fixedly arranged at the tail end of the second rotating shaft in the rotating cavity, a first belt wheel is fixedly arranged at the tail end of the second rotating shaft in the belt cavity, and a third rotating shaft is rotatably arranged between the belt cavity and the first cam cavity, the tail end of the third rotating shaft in the belt cavity is fixedly provided with a second belt wheel, the second belt wheel is connected with the first belt wheel in a belt transmission matching mode, and the tail end of the third rotating shaft in the first cam cavity is fixedly provided with a first cam.

3. The apparatus for 3D printed material winding according to claim 1, characterized in that: the wire feeding device comprises roller cavities symmetrically arranged in the upper end wall and the lower end wall of the wire feeding hole, a worm wheel cavity is arranged on the front side of the roller cavity, a fourth rotating shaft is rotatably arranged between the worm wheel cavity and the roller cavity, a wire feeding wheel is fixedly arranged at the tail end of the fourth rotating shaft in the roller cavity, a worm wheel is fixedly arranged at the tail end of the fourth rotating shaft in the worm wheel cavity, a second cam cavity is arranged on the front side of the winding cavity, a first guide sliding hole is communicated between the second cam cavity and the winding cavity, a first ejector rod is slidably arranged in the first guide sliding hole, a transmission cavity is arranged on the left side of the second cam cavity, a worm meshed with the upper worm wheel and the lower worm wheel is rotatably arranged between the transmission cavity and the worm wheel cavity, the worm is in power connection with a first motor fixedly arranged in the left end wall of the worm wheel cavity, and a spline sleeve is fixedly arranged at the tail end of the worm in the transmission cavity, second cam chamber right side is provided with third cam chamber, third cam chamber with it runs through to rotate between the transmission chamber the fifth pivot in second cam chamber, in the second cam chamber fifth pivot external surface fixed is provided with the second cam, be provided with about in the fifth pivot about the splined hole that link up, splined hole internal spline is connected with the integral key shaft, the integral key shaft with be provided with the sixth spring that is in compression state between fifth pivot right side end wall, the integral key shaft can with spline housing splined connection.

4. The apparatus for 3D printed material winding according to claim 1, characterized in that: the rotating device comprises a communicating cavity communicated with the gear cavity and the winding cavity, a sliding block is slidably arranged in the communicating cavity, a second motor is fixedly arranged in the sliding block, a third gear meshed with the first gear on the right side is fixedly arranged on the front side of the second motor output shaft, a fifth gear meshed with the fourth gear is fixedly arranged on the rear side of the second motor output shaft, a seventh spring is arranged between the sliding block and the communicating cavity, a second sliding guide hole is communicated with a fourth cam cavity arranged in the right side end wall of the machine body, a second ejector rod fixedly connected with the sliding block is slidably arranged in the second sliding guide hole, a sixth rotating shaft in power connection with a third motor fixedly arranged in the front side end wall of the third cam cavity is rotatably arranged between the fourth cam cavity and the third cam cavity, and a third cam is fixedly arranged on the outer surface of a sixth rotating shaft in the third cam cavity, and a fourth cam is fixedly arranged at the tail end of the sixth rotating shaft in the fourth cam cavity.