CN113352613B - Used consumptive material fixing device of 3D printing apparatus - Google Patents
Used consumptive material fixing device of 3D printing apparatus Download PDFInfo
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- CN113352613B CN113352613B CN202110913015.7A CN202110913015A CN113352613B CN 113352613 B CN113352613 B CN 113352613B CN 202110913015 A CN202110913015 A CN 202110913015A CN 113352613 B CN113352613 B CN 113352613B
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- block
- consumable
- printing equipment
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- supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Abstract
The invention belongs to the technical field of 3D printing, and particularly relates to a consumable fixing device for 3D printing equipment, which comprises a mounting seat, wherein the top surface of the mounting seat is provided with a containing groove, a hemispherical block is arranged in the containing groove, and a connecting column is arranged on the surface of the hemispherical block; a plurality of supporting mechanisms are arranged on the hemispherical block around the connecting column, a threaded sleeve is arranged on the connecting column, and a sealing sheet is arranged on the bottom surface of the threaded sleeve; the bottom surface of the mounting seat is provided with a fixing mechanism, the top surface of the connecting column is provided with an Contraband-shaped frame, a fixing shaft is arranged between two vertical sections of the shaped frame, a winding drum is arranged on the fixing shaft, and the end part of the winding drum is provided with an annular end plate; an elastic telescopic block is arranged on the horizontal section of the Contraband-shaped frame, and an arc-shaped block is arranged at the end part of the elastic telescopic block; the invention can be stably connected to 3D printing equipment in different shapes, thereby ensuring the stable supply of consumables; the invention can avoid the situation that the consumable rubs with other parts in the printing equipment before entering the printing head, thereby reducing the consumption of the consumable.
Description
Technical Field
The invention belongs to the technical field of 3D printing, and particularly relates to a consumable fixing device for 3D printing equipment.
Background
3D printing is one of rapid prototyping technologies, also known as additive manufacturing, and is a technology for constructing an object by using an adhesive material in a layer-by-layer printing manner on the basis of a digital model file; the 3D printing is usually realized by adopting digital technology material printing equipment, and common consumable materials for 3D printing comprise nylon glass fiber, durable nylon materials, gypsum materials, aluminum materials and rubber materials; the 3D printing supplies are flexible wires generally, the wires are wound into bundles through the fixing devices in the printing process and then the fixing devices are installed on the printing equipment, and the wound wires can be automatically pulled out of the fixing devices during operation of the printing equipment.
The prior 3D printing equipment consumable fixing device has the following problems in the actual use process: different 3D printing equipment has different shapes, and the consumable fixing device is difficult to be stably connected to the 3D printing equipment, so that the supply of consumables is unstable in the printing process; and because 3D printing apparatus surface shape is irregular, the consumptive material fixing device with beat between the printer head easily and 3D printing apparatus between the in-process of bypassing other parts on the printing apparatus produces the friction, leads to the consumptive material to produce the loss before printing.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an used consumptive material fixing device of 3D printing apparatus, includes the mount pad, and the holding tank has been seted up to the mount pad top surface, and the hemisphere piece is installed to the holding tank internal rotation, and hemisphere piece surface fixed mounting has the spliced pole, and the axis of spliced pole passes the centre of sphere of hemisphere piece, evenly installs a plurality of supporting mechanism around the spliced pole on the hemisphere piece, installs the thread bush through the screw thread on the spliced pole, and thread bush bottom surface fixed mounting has annular gasket.
The top surface of the mounting seat is provided with a positioning mechanism, the positioning mechanism comprises a vertical rod fixedly arranged on the top surface of the mounting seat, a first lifting block is slidably arranged on the vertical rod, a horizontal ring is fixedly arranged on the first lifting block, and the axis of the horizontal ring passes through the sphere center of the hemispherical block; a second lifting block is fixedly arranged on the outer side wall of the horizontal ring, and a positioning screw rod penetrating through the second lifting block is rotatably arranged on the top surface of the mounting seat; the inner circumferential surface of the horizontal ring is fixedly provided with an annular rubber block which is superposed with the axis of the horizontal ring; after the alignment position of the rotating hemispherical block is adjusted, the second lifting block, the horizontal ring, the first lifting block and the annular rubber block are driven to synchronously move downwards by rotating the positioning screw rod until the annular rubber block is pressed on the surface of the hemispherical block, and the hemispherical block is further prevented from rotating in the working process of the 3D printing device by static friction force between the annular rubber block and the hemispherical block.
The bottom surface of the mounting seat is provided with a fixing mechanism, and the fixing mechanism comprises two vertical plates which are connected to the bottom surface of the mounting seat in a sliding manner and are parallel to each other; the surface of the vertical plate far away from the other vertical plate is fixedly provided with a plurality of limiting sleeves, the limiting sleeves are perpendicular to the vertical plates and are internally provided with sliding rods penetrating through the vertical plates in a sliding manner, and the end parts of the sliding rods, which are positioned outside the limiting sleeves, are fixedly provided with suckers; a pressure-bearing ring is fixedly arranged on the inner wall of the limiting sleeve, and a return spring is fixedly connected between the pressure-bearing ring and the sliding rod; the mounting base bottom surface is installed through the support rotation and is run through two-way lead screw of two vertical boards, and two-way lead screw perpendicular to vertical board just with vertical board screw-thread fit.
The mounting seat is fixedly connected to the 3D printing equipment through the fixing mechanism, and the specific operation steps are as follows: the method comprises the following steps that two vertical plates are placed at positions to be connected of the 3D printing equipment, the two vertical plates are driven to move in opposite directions by rotating a bidirectional screw rod, and a limiting sleeve, a sliding rod, a sucker, a bearing ring and a reset spring are driven in the moving process of the vertical plates; until each sucker is adsorbed on the surface of the 3D printing equipment, the sliding rod is pushed into the limiting sleeve to compress the return spring, so that the sucker is pressed on the surface of the 3D printing equipment through the acting force of the return spring to complete the connection of the mounting seat and the 3D printing equipment; because 3D printing apparatus surface shape is irregular, so every slide bar is different in the gliding distance in the stop collar, and the degree that reset spring compressed is also different.
An Contraband-shaped frame with an upward opening, namely a lift 21274, is fixedly arranged on the top surface of the connecting column, a fixed shaft is arranged between two vertical sections of the shaped frame, a winding drum is rotatably arranged on the fixed shaft, and an annular end plate is fixedly arranged at the end part of the winding drum; an elastic telescopic block is fixedly arranged on the horizontal section of the Contraband-shaped frame corresponding to the position of the annular end plate, and an arc-shaped block which is in sliding fit with the edge of the annular end plate is fixedly arranged at the end part of the elastic telescopic block.
The consumable is wound on the winding drum, when a printing head of the 3D printing equipment starts to work, the consumable on the winding drum is pulled out, and the winding drum and the annular end plate rotate; the elastic action through the elastic expansion block supports the arc-shaped block to press at the edge of the annular end plate, and the arc-shaped block plays a role in blocking the annular end plate when the annular end plate rotates, so that consumable materials are tensioned.
As a preferred technical scheme of the invention, a guide rod is fixedly arranged on the surface of the vertical plate far away from the other vertical plate, an installation plate is slidably arranged on the guide rod, an adjusting screw rod which is parallel to the guide rod and penetrates through the installation plate is rotatably arranged on the surface of the vertical plate, and a sealing plug is fixedly arranged on the surface of the installation plate corresponding to the position of the limiting sleeve; the mounting plate is driven to move towards the limiting sleeve along the guide rod by rotating the adjusting screw rod, the sealing effect on the limiting sleeve is achieved when the sealing plug is inserted into the end of the limiting sleeve, and therefore the sliding rod is guaranteed not to move in the limiting sleeve under the action of air pressure, and the mounting seat is stably connected with the 3D printing device in the working process of the 3D printing device.
As a preferred technical scheme of the invention, the supporting mechanism comprises a guide sleeve which is parallel to the connecting column and penetrates through the hemispherical block, the guide sleeve is fixedly arranged on the hemispherical block, the bottom end of the guide sleeve is in sliding fit with the supporting rod, a supporting ring is fixedly arranged on the inner wall of the guide sleeve, and a supporting spring is fixedly connected between the supporting ring and the end surface of the supporting rod.
When the hemispherical block is rotated, the supporting mechanism can synchronously rotate, and the supporting rod extends or shortens along the guide sleeve under the elastic action of the supporting spring and the thrust action of the inner wall of the accommodating groove; after the manual position adjustment of the hemispherical blocks is completed, the sealing piece is driven to rotate and descend by rotating the thread sleeve until the bottom surface of the sealing piece is attached to the top surface of the guide sleeve to seal the guide sleeve, so that the position of the support rod in the guide sleeve is fixed through the air pressure effect.
As a preferable technical scheme of the invention, the bottom surface of the supporting rod is rotatably provided with a ball which is in rolling fit with the bottom surface of the accommodating groove, so that the friction force between the supporting rod and the accommodating groove is reduced, and the condition of abrasion of the bottom surface of the supporting rod is avoided.
As a preferred technical scheme of the invention, the longitudinal section of the annular rubber block is semicircular, and a plurality of anti-skidding grooves are formed in the annular rubber block along the circumferential direction of the annular rubber block so as to increase the friction force between the annular rubber block and the hemispherical block.
As a preferred technical scheme of the invention, a layer of rubber sheet is fixedly adhered to the upper surface of the arc-shaped block; with the frictional force between increase arc piece upper surface and the annular end plate edge, improve the tensioning effect to the consumptive material, avoid the consumptive material lax back and 3D printing apparatus between the other parts produce frictional situation.
As a preferred technical scheme of the invention, a plurality of fixed strips parallel to the fixed shaft are uniformly and fixedly arranged on the outer circumferential surface of the fixed shaft along the circumferential direction of the fixed shaft, a plurality of strip-shaped grooves parallel to the fixed shaft are uniformly and fixedly arranged on the inner circumferential surface of the winding drum along the circumferential direction of the winding drum, moving strips parallel to the fixed strips are slidably arranged in the strip-shaped grooves, a supporting plate is arranged on the surface of each moving strip, and the supporting plate is connected with the end surfaces of the strip-shaped grooves through a connecting spring; the movable strip periodically receives the thrust of the fixed strip in the rotating process of the winding drum, the movable strip and the supporting plate reciprocate in the strip-shaped groove under the combined action of the thrust of the fixed strip and the elastic force of the connecting spring, and the rotation of the winding drum is further hindered in the process, so that consumable materials are further ensured to be in a tensioning state.
As a preferable technical solution of the present invention, the longitudinal section of the fixed bar is semicircular, and the longitudinal section of the movable bar is circular, so as to avoid a situation that the fixed bar is instantaneously damaged by contact with the movable bar.
The invention has at least the following beneficial effects: (1) in the fixing mechanism, the telescopic lengths of the sliding rods in the limiting sleeves are different, so that each sucker can be adsorbed on the surface of the 3D printing equipment, the consumable fixing device used by the 3D printing equipment can be stably connected to the 3D printing equipment in different shapes, and the supply stability of consumables in the printing process is further ensured.
(2) According to the consumable fixing device for the 3D printing equipment, the overall positions of the connecting column, the fixing shaft and the winding drum can be adjusted by adjusting the rotation angle of the hemispherical block, so that the discharge position of the consumable is adjusted, the condition that the consumable is rubbed with other parts in the printing equipment before entering the printing head is avoided, and the condition that the consumable is lost before printing is avoided.
(3) According to the invention, the hemispherical blocks, the connecting columns, the fixed shaft and the winding drum are positioned by matching the supporting mechanism and the sealing sheet and the pressure applied to the hemispherical blocks by the positioning mechanism, so that the discharge position of the consumable material is ensured not to move in the printing process, and meanwhile, the pressure applied to the annular end plate by the arc-shaped blocks and the resistance applied to the moving strip by the fixed strip have a blocking effect on the rotation process of the winding drum, so that the tensioning force is applied to the consumable material, the consumable material is ensured to be in a tensioning state before entering the printing head, the condition that the consumable material is in a friction state with other parts in printing equipment due to looseness is avoided, and the problem that the consumable material is lost before printing is further avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of a consumable fixing device used in a 3D printing apparatus according to an embodiment of the present invention.
FIG. 2 is a front view of a consumable fixing device used in a 3D printing apparatus according to an embodiment of the present invention.
FIG. 3 is a side view of a consumable fixing device used in a 3D printing apparatus according to an embodiment of the invention.
Fig. 4 is an enlarged schematic view of a portion a of fig. 2.
Fig. 5 is an enlarged schematic view of fig. 3 at B.
Fig. 6 is a schematic view showing the internal structure of the fixing shaft and the winding reel in the embodiment of the present invention.
In the figure: 1. a mounting seat; 101. accommodating grooves; 2. a hemispherical block; 3. connecting columns; 4. a support mechanism; 401. a guide sleeve; 402. a support bar; 403. a support ring; 404. a support spring; 405. a ball bearing; 5. a threaded sleeve; 6. sealing the sheet; 7. a fixing mechanism; 701. a vertical plate; 702. a limiting sleeve; 703. a slide bar; 704. a suction cup; 705. a pressure-bearing ring; 706. a return spring; 707. a bidirectional lead screw; 708. a guide bar; 709. mounting a plate; 710. adjusting the screw rod; 711. a sealing plug; 8. contraband form rack; 9. a fixed shaft; 10. a winding drum; 1001. a strip-shaped groove; 11. an annular end plate; 12. an elastic expansion block; 13. an arc-shaped block; 14. a positioning mechanism; 141. a vertical rod; 142. a first lifting block; 143. a horizontal ring; 144. a second lifting block; 145. positioning a screw rod; 146. an annular rubber block; 147. an anti-slip groove; 15. a rubber sheet; 16. a fixing strip; 17. a moving bar; 18. a support plate; 19. a spring is connected.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 and fig. 3, this embodiment provides a used consumptive material fixing device of 3D printing apparatus, including mount pad 1, receiving tank 101 has been seted up to 1 top surface of mount pad, and hemisphere piece 2 is installed to the receiving tank 101 internal rotation, and hemisphere piece 2 fixed surface installs spliced pole 3, and the axis of spliced pole 3 passes through the centre of sphere of hemisphere piece 2.
As shown in fig. 3 and 5, the top surface of the mounting base 1 is provided with the positioning mechanism 14, the positioning mechanism 14 includes a vertical rod 141 fixedly installed on the top surface of the mounting base 1, a first lifting block 142 is slidably installed on the vertical rod 141, a horizontal ring 143 is fixedly installed on the first lifting block 142, and the axis of the horizontal ring 143 passes through the spherical center of the hemispherical block 2; a second lifting block 144 is fixedly arranged on the outer side wall of the horizontal ring 143, and a positioning screw 145 penetrating through the second lifting block 144 is rotatably arranged on the top surface of the mounting base 1; an annular rubber block 146 which is overlapped with the axis of the horizontal ring 143 is fixedly arranged on the inner circumferential surface of the horizontal ring 143; after the hemispherical block 2 is rotated to adjust the position, the positioning screw 145 is rotated to drive the second lifting block 144, the horizontal ring 143, the first lifting block 142 and the annular rubber block 146 to synchronously move downwards until the annular rubber block 146 is pressed against the surface of the hemispherical block 2, and the hemispherical block 2 is prevented from rotating in the working process of the 3D printing device through static friction force between the annular rubber block 146 and the hemispherical block 2; the longitudinal section of the annular rubber block 146 is semicircular, and a plurality of anti-slip grooves 147 are formed in the annular rubber block 146 along the circumferential direction of the annular rubber block to increase the friction force between the annular rubber block 146 and the hemispherical block 2.
As shown in fig. 1, 3 and 5, a plurality of supporting mechanisms 4 are uniformly installed on the hemispherical block 2 around the connecting column 3, each supporting mechanism 4 comprises a guide sleeve 401 which is parallel to the connecting column 3 and penetrates through the hemispherical block 2, the guide sleeve 401 is fixedly installed on the hemispherical block 2, the bottom end of the guide sleeve 401 is in sliding fit with a supporting rod 402, a supporting ring 403 is fixedly installed on the inner wall of the guide sleeve 401, and a supporting spring 404 is fixedly connected between the supporting ring 403 and the end face of the supporting rod 402; the bottom surface of the support rod 402 is rotatably provided with a ball 405 which is in rolling fit with the bottom surface of the accommodating groove 101, so that the friction between the support rod 402 and the accommodating groove 101 is reduced, and the abrasion of the bottom surface of the support rod 402 is avoided; the connecting column 3 is provided with a threaded sleeve 5 through threads, and the bottom surface of the threaded sleeve 5 is fixedly provided with an annular sealing sheet 6.
When the hemispherical block 2 is rotated, the supporting mechanism 4 can synchronously rotate, and the supporting rod 402 extends or shortens along the guide sleeve 401 under the elastic action of the supporting spring 404 and the thrust action of the inner wall of the accommodating groove 101; after the position adjustment of hemisphere piece 2 is accomplished to the manual work, drive the rotatory decline of sealing fin 6 through rotating thread bush 5, until the laminating of 6 bottom surfaces of sealing fin seals up at uide bushing 401 top surface to uide bushing 401, make uide bushing 401 inside air and outside air no longer circulate, bracing piece 402 is difficult to continue to remove at uide bushing 401 promptly, thereby can fix the position of bracing piece 402 in uide bushing 401, reach the purpose of further fixing the position of hemisphere piece 2.
As shown in fig. 1, 2 and 4, a fixing mechanism 7 is mounted on the bottom surface of the mounting base 1, and the fixing mechanism 7 includes two vertical plates 701 slidably connected to the bottom surface of the mounting base 1 and parallel to each other; the surface of the vertical plate 701, which is far away from the other vertical plate 701, is fixedly provided with a plurality of limiting sleeves 702, the limiting sleeves 702 are perpendicular to the vertical plates 701, sliding rods 703 which penetrate through the vertical plates 701 are arranged in the limiting sleeves 702 in a sliding manner, and the end parts, which are positioned outside the limiting sleeves 702, of the sliding rods 703 are fixedly provided with suckers 704; a pressure-bearing ring 705 is fixedly arranged on the inner wall of the limit sleeve 702, and a return spring 706 is fixedly connected between the pressure-bearing ring 705 and the sliding rod 703; the bottom surface of the mounting seat 1 is rotatably provided with a bidirectional screw 707 penetrating through the two vertical plates 701 through a bracket, and the bidirectional screw 707 is perpendicular to the vertical plates 701 and is in threaded fit with the vertical plates 701; the surface of the vertical plate 701 far away from the other vertical plate 701 is fixedly provided with a guide rod 708, the guide rod 708 is provided with a mounting plate 709 in a sliding way, the surface of the vertical plate 701 is rotatably provided with an adjusting screw rod 710 which is parallel to the guide rod 708 and penetrates through the mounting plate 709, and the surface of the mounting plate 709 is fixedly provided with a sealing plug 711 corresponding to the position of the stop collar 702.
Through fixed establishment 7 with mount pad 1 fixed connection on 3D printing apparatus, specific operating procedure is as follows: the method comprises the following steps that two vertical plates 701 are placed at positions to be connected of the 3D printing equipment, the two vertical plates 701 are driven to move oppositely by rotating a bidirectional screw 707, and a limiting sleeve 702, a sliding rod 703, a sucking disc 704, a pressure bearing ring 705 and a return spring 706 are driven in the moving process of the vertical plates 701; until each sucker 704 is attached to the surface of the 3D printing device, the sliding rod 703 is pushed into the position-limiting sleeve 702 to compress the return spring 706, so that the sucker 704 is pressed against the surface of the 3D printing device by the acting force of the return spring 706 to complete the connection between the mounting base 1 and the 3D printing device; because the surface of the 3D printing apparatus is irregular in shape, the sliding distance of each sliding rod 703 in the stop collar 702 is different, and the degree to which the return spring 706 is compressed is also different; the mounting plate 709 is driven to move towards the stop collar 702 along the guide rod 708 by rotating the adjusting screw 710 until the sealing plug 711 is inserted into the port of the stop collar 702 to seal the stop collar 702, so that the sliding rod 703 is prevented from moving in the stop collar 702 by the air pressure, and the stable connection between the mounting seat 1 and the 3D printing device in the working process of the 3D printing device is ensured.
As shown in fig. 1 and fig. 2, an Contraband-shaped frame 8 with an upward opening is fixedly mounted on the top surface of the connecting column 3, a fixed shaft 9 is mounted between two vertical sections of the Contraband-shaped frame 8, a winding drum 10 is rotatably mounted on the fixed shaft 9, and an annular end plate 11 is fixedly mounted at the end of the winding drum 10; contraband an elastic telescopic block 12 is fixedly arranged on the horizontal section of the frame 8 corresponding to the position of the annular end plate 11, and an arc-shaped block 13 which is in sliding fit with the edge of the annular end plate 11 is fixedly arranged at the end part of the elastic telescopic block 12; a layer of rubber sheet 15 is fixedly adhered to the upper surface of the arc-shaped block 13; with the frictional force between increase arc piece 13 upper surface and the 11 edges of annular end plate, improve the tensioning effect to the consumptive material, avoid the consumptive material lax back and 3D printing apparatus other parts between produce frictional situation.
The consumables are wound on the winding drum 10, when a printing head of the 3D printing device starts to work, the consumables on the winding drum 10 are pulled out, and the winding drum 10 and the annular end plate 11 rotate; the arc block 13 is pressed at the edge of the annular end plate 11 under the action of the elastic force of the elastic telescopic block 12, and the arc block 13 plays a role in blocking the annular end plate 11 when the annular end plate 11 rotates, so that the consumable is tensioned.
As shown in fig. 6, a plurality of fixed bars 16 parallel to the fixed shaft 9 are uniformly and fixedly installed on the outer circumferential surface of the fixed shaft 9 along the circumferential direction thereof, a plurality of strip-shaped grooves 1001 parallel to the fixed shaft 9 are uniformly and fixedly installed on the inner circumferential surface of the winding drum 10 along the circumferential direction thereof, moving bars 17 parallel to the fixed bars 16 are slidably installed in the strip-shaped grooves 1001, a supporting plate 18 is installed on the surface of the moving bar 17, and the supporting plate 18 is connected with the end surfaces of the strip-shaped grooves 1001 through a connecting spring 19; the movable strip 17 is periodically pushed by the fixed strip 16 during the rotation of the winding drum 10, and the movable strip 17 and the supporting plate 18 reciprocate in the strip-shaped groove 1001 under the combined action of the pushing force of the fixed strip 16 and the elastic force of the connecting spring 19, so that the rotation of the winding drum 10 is further hindered during the process, and the consumable is further ensured to be in a tensioning state; the longitudinal section of the fixed strip 16 is semicircular, and the longitudinal section of the movable strip 17 is circular, so that the condition that the fixed strip 16 is damaged at the moment of contact with the movable strip 17 is avoided.
The use steps of the consumable fixing device for the 3D printing equipment in the embodiment are as follows: placing the two vertical plates 701 at positions to be connected of the 3D printing device, driving the two vertical plates 701 to move in opposite directions by rotating the bidirectional screw 707 until each sucker 704 is adsorbed on the surface of the 3D printing device, pushing the sliding rod 703 into the limiting sleeve 702 to compress the return spring 706, and accordingly pressing the sucker 704 on the surface of the 3D printing device by the acting force of the return spring 706; the mounting plate 709 is driven to move towards the stop collar 702 along the guide rod 708 by rotating the adjusting screw 710 until the sealing plug 711 is inserted into the port of the stop collar 702 to seal the stop collar 702, so that the sliding rod 703 is prevented from moving in the stop collar 702 by the air pressure, and the stable connection between the mounting seat 1 and the 3D printing device in the working process of the 3D printing device is ensured.
The method comprises the following steps of winding the consumable onto a winding drum 10, pulling one end of the consumable out to be inserted into a printing head of the 3D printing equipment, then rotating the hemispherical block 2 to adjust the positions of the v-shaped frame 8, the fixed shaft 9 and the winding drum 10 until the consumable between the winding drum 10 and the printing head does not contact other parts; when the hemispherical block 2 is rotated, the supporting mechanism 4 can synchronously rotate, and the supporting rod 402 extends or shortens along the guide sleeve 401 under the elastic action of the supporting spring 404 and the thrust action of the inner wall of the accommodating groove 101; after the position of the hemispherical block 2 is adjusted, the sealing sheet 6 is driven to rotate and descend by rotating the thread sleeve 5 until the bottom surface of the sealing sheet 6 is attached to the top surface of the guide sleeve 401 to seal the guide sleeve 401, so that the position of the support rod 402 in the guide sleeve 401 is fixed through the air pressure effect, and the position of the hemispherical block 2 is further fixed; the second lifting block 144, the horizontal ring 143, the first lifting block 142 and the annular rubber block 146 are driven to synchronously move downwards by rotating the positioning screw 145 until the annular rubber block 146 is pressed against the surface of the hemispherical block 2, and the hemispherical block 2 is prevented from rotating in the working process of the 3D printing device by the static friction force between the annular rubber block 146 and the hemispherical block 2.
When the printing head works, the consumable is pulled, the winding drum 10 is pulled by the consumable to rotate, and when the annular end plate 11 rotates, the arc-shaped blocks 13 play a role in blocking the annular end plate 11, so that the consumable is tensioned; the movable strip 17 is periodically pushed by the fixed strip 16 during the rotation of the winding drum 10, and the movable strip 17 and the supporting plate 18 reciprocate in the strip groove 1001 under the combined action of the pushing force of the fixed strip 16 and the elastic force of the connecting spring 19, so that the rotation of the winding drum 10 is hindered during the process, and the consumable is further ensured to be in a tensioning state.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a used consumptive material fixing device of 3D printing apparatus which characterized in that: the semi-spherical sealing device comprises a mounting seat (1), wherein a containing groove (101) is formed in the top surface of the mounting seat (1), a semi-spherical block (2) is rotatably mounted in the containing groove (101), a connecting column (3) is fixedly mounted on the surface of the semi-spherical block (2), the axis of the connecting column (3) passes through the spherical center of the semi-spherical block (2), a plurality of supporting mechanisms (4) are uniformly mounted on the semi-spherical block (2) around the connecting column (3), a threaded sleeve (5) is mounted on the connecting column (3) through threads, and an annular sealing sheet (6) is fixedly mounted on the bottom surface of the threaded sleeve (5);
the top surface of the mounting seat (1) is provided with a positioning mechanism (14), the positioning mechanism (14) comprises a vertical rod (141) fixedly mounted on the top surface of the mounting seat (1), a first lifting block (142) is slidably mounted on the vertical rod (141), a horizontal ring (143) is fixedly mounted on the first lifting block (142), and the axis of the horizontal ring (143) passes through the spherical center of the hemispherical block (2); a second lifting block (144) is fixedly arranged on the outer side wall of the horizontal ring (143), and a positioning screw rod (145) penetrating through the second lifting block (144) is rotatably arranged on the top surface of the mounting seat (1); an annular rubber block (146) which is overlapped with the axis of the horizontal ring (143) is fixedly arranged on the inner circumferential surface of the horizontal ring; after the position of the hemispherical block (2) is adjusted by rotating the hemispherical block, the second lifting block (144), the horizontal ring (143), the first lifting block (142) and the annular rubber block (146) are driven to synchronously move downwards by rotating the positioning screw rod (145) until the annular rubber block (146) is pressed against the surface of the hemispherical block (2), and the situation that the hemispherical block (2) rotates in the working process of the 3D printing equipment is avoided by static friction force between the annular rubber block (146) and the hemispherical block (2);
a fixing mechanism (7) is installed on the bottom surface of the installation seat (1), and the fixing mechanism (7) comprises two vertical plates (701) which are connected to the bottom surface of the installation seat (1) in a sliding mode and are parallel to each other; the surface of the vertical plate (701) far away from the other vertical plate (701) is fixedly provided with a plurality of limiting sleeves (702), the limiting sleeves (702) are perpendicular to the vertical plate (701), sliding rods (703) penetrating through the vertical plate (701) are arranged in the limiting sleeves (702) in a sliding mode, and the end portions, located outside the limiting sleeves (702), of the sliding rods (703) are fixedly provided with suckers (704); a pressure-bearing ring (705) is fixedly arranged on the inner wall of the limiting sleeve (702), and a return spring (706) is fixedly connected between the pressure-bearing ring (705) and the sliding rod (703); the bottom surface of the mounting seat (1) is rotatably provided with a bidirectional screw rod (707) penetrating through the two vertical plates (701) through a bracket, and the bidirectional screw rod (707) is perpendicular to the vertical plates (701) and is in threaded fit with the vertical plates (701);
an Contraband-shaped frame (8) with an upward opening is fixedly arranged on the top surface of the connecting column (3), a fixed shaft (9) is arranged between two vertical sections of the Contraband-shaped frame (8), a winding drum (10) is rotatably arranged on the fixed shaft (9), and an annular end plate (11) is fixedly arranged at the end part of the winding drum (10); contraband the position of the horizontal section of the frame (8) corresponding to the ring-shaped end plate (11) is fixed with an elastic expansion block (12), the end of the elastic expansion block (12) is fixed with an arc-shaped block (13) which is matched with the edge of the ring-shaped end plate (11) in a sliding way.
2. The consumable fixing device for the 3D printing equipment according to claim 1, wherein: the surface of the vertical plate (701) far away from the other vertical plate (701) is fixedly provided with a guide rod (708), the guide rod (708) is provided with a mounting plate (709) in a sliding mode, the surface of the vertical plate (701) is rotatably provided with an adjusting screw (710) which is parallel to the guide rod (708) and penetrates through the mounting plate (709), and the surface of the mounting plate (709) is fixedly provided with a sealing plug (711) corresponding to the position of the limiting sleeve (702).
3. The consumable fixing device for the 3D printing equipment according to claim 1, wherein: the supporting mechanism (4) comprises a guide sleeve (401) which is parallel to the connecting column (3) and penetrates through the hemispherical block (2), the guide sleeve (401) is fixedly installed on the hemispherical block (2), a supporting rod (402) is in sliding fit with the bottom end of the guide sleeve (401), a supporting ring (403) is fixedly installed on the inner wall of the guide sleeve (401), and a supporting spring (404) is fixedly connected between the supporting ring (403) and the end face of the supporting rod (402).
4. The consumable fixing device for the 3D printing equipment according to claim 3, wherein: the bottom surface of the support rod (402) is rotatably provided with a ball (405) which is in rolling fit with the bottom surface of the accommodating groove (101).
5. The consumable fixing device for the 3D printing equipment according to claim 1, wherein: the longitudinal section of the annular rubber block (146) is semicircular, and a plurality of anti-skidding grooves (147) are formed in the annular rubber block (146) along the circumferential direction of the annular rubber block.
6. The consumable fixing device for the 3D printing equipment according to claim 1, wherein: a layer of rubber sheet (15) is fixedly stuck on the upper surface of the arc-shaped block (13).
7. The consumable fixing device for the 3D printing equipment according to claim 1, wherein: the winding drum is characterized in that a plurality of fixing strips (16) parallel to the fixing shaft (9) are uniformly and fixedly mounted on the outer circumferential surface of the fixing shaft (9) along the circumferential direction of the fixing shaft, a plurality of strip-shaped grooves (1001) parallel to the fixing shaft (9) are uniformly and fixedly mounted on the inner circumferential surface of the winding drum (10) along the circumferential direction of the winding drum, moving strips (17) parallel to the fixing strips (16) are slidably mounted in the strip-shaped grooves (1001), a supporting plate (18) is mounted on the surface of each moving strip (17), and the supporting plate (18) is connected with the end surfaces of the strip-shaped grooves (1001) through a connecting spring (19).
8. The consumable fixing device for the 3D printing equipment according to claim 7, wherein: the longitudinal section of the fixed strip (16) is semicircular, and the longitudinal section of the movable strip (17) is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913015.7A CN113352613B (en) | 2021-08-10 | 2021-08-10 | Used consumptive material fixing device of 3D printing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913015.7A CN113352613B (en) | 2021-08-10 | 2021-08-10 | Used consumptive material fixing device of 3D printing apparatus |
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| Publication Number | Publication Date |
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| CN113352613A CN113352613A (en) | 2021-09-07 |
| CN113352613B true CN113352613B (en) | 2021-10-12 |
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| CN202110913015.7A Active CN113352613B (en) | 2021-08-10 | 2021-08-10 | Used consumptive material fixing device of 3D printing apparatus |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878976A (en) * | 2014-03-07 | 2014-06-25 | 济南大学 | Portable 3D printer based on FDM technology |
| CN211074734U (en) * | 2019-09-17 | 2020-07-24 | 宋佳磊 | 3D printing material frame |
-
2021
- 2021-08-10 CN CN202110913015.7A patent/CN113352613B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878976A (en) * | 2014-03-07 | 2014-06-25 | 济南大学 | Portable 3D printer based on FDM technology |
| CN211074734U (en) * | 2019-09-17 | 2020-07-24 | 宋佳磊 | 3D printing material frame |
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| Publication number | Publication date |
|---|---|
| CN113352613A (en) | 2021-09-07 |
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