CN219114800U - Translational type opening-adjustable printing spray head - Google Patents
Translational type opening-adjustable printing spray head Download PDFInfo
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- CN219114800U CN219114800U CN202223318395.9U CN202223318395U CN219114800U CN 219114800 U CN219114800 U CN 219114800U CN 202223318395 U CN202223318395 U CN 202223318395U CN 219114800 U CN219114800 U CN 219114800U
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- nozzle
- sliding groove
- side wall
- block
- bracket
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Abstract
The utility model relates to a translational type opening-adjustable printing spray head, which comprises a bracket and a storage needle tube arranged on the bracket, wherein a nozzle assembly and a power unit are arranged at the discharge end of the storage needle tube, and the nozzle assembly comprises: the reference block is fixed at the bottom of the bracket and internally provided with a sliding groove; the nozzle blocks are provided with four nozzles and fall into the sliding groove to reciprocate along the side wall surface direction of the sliding groove; a channel for discharging is formed between the side walls connected with the nozzle blocks; the power unit includes: the power source is arranged on the bracket; the push rod is driven by the power source to push the nozzle block to reciprocate, and the caliber of the discharging channel is adjusted along with the movement of the push rod. Through adopting movable nozzle assembly to realize discharge gate size adjustable purpose. The discharging hole is square, so that the contact area is larger when extruded materials are stacked, and the stability of the product is improved.
Description
Technical Field
The utility model relates to the technical field of 3D printing equipment, in particular to a translational type opening-adjustable printing spray head.
Background
3D printing, namely a rapid prototyping technology, is a mode of additive manufacturing, and is based on digital files, and physical objects are constructed by stacking and printing extruded materials layer by using metal powder, plastic and other sticky materials.
At present, a common printing mode in the industry mostly adopts a mode of extruding materials through a needle tube, and the inner diameter of the needle tube is the diameter of the extruded materials. When the printing requires extruding materials with different thicknesses, the needle tube with corresponding thickness needs to be replaced.
The above method has the following drawbacks: firstly, the number of the types and the dimensional accuracy requirements of the needle tubes are high; secondly, the slurry printed last time is easy to be blocked in the replaced needle tube, so that the part is scrapped.
Disclosure of Invention
The applicant provides a translational type opening-adjustable printing nozzle with reasonable structure aiming at the defects in the prior production technology, and the size of the nozzle opening can be adjusted, so that the printing working conditions with different thickness requirements are met.
The technical scheme adopted by the utility model is as follows:
the translational type opening-adjustable printing nozzle comprises a bracket and a storage needle tube arranged on the bracket, wherein the discharge end of the storage needle tube is provided with a nozzle component and a power unit,
the nozzle assembly includes:
the reference block is fixed at the bottom of the bracket and internally provided with a sliding groove;
the nozzle blocks are provided with four nozzles and fall into the sliding groove to reciprocate along the side wall surface direction of the sliding groove; a channel for discharging is formed between the side walls connected with the nozzle blocks;
the power unit includes:
the power source is arranged on the bracket;
the push rod is driven by the power source to push the nozzle block to reciprocate, and the caliber of the discharging channel is adjusted along with the movement of the push rod.
As a further improvement of the above technical scheme:
the bracket comprises a vertical plate for locking the storage needle tube and a transverse plate perpendicular to the bottom of the vertical plate;
and a hoop for locking the storage needle tube extends from the vertical plate, and the nozzle assembly and the power unit are arranged on the transverse plate.
The reference block is arranged on one side of the transverse plate, which is away from the vertical plate, the opening size of the sliding groove is smaller than the inner size of the sliding groove, and the nozzle block is movably embedded in the sliding groove.
The section of the sliding groove is polygonal, and the nozzle blocks are annularly arranged in the sliding groove; each nozzle block reciprocates and slides along the side wall of the sliding groove.
The shape of the nozzle block specifically includes: .
Falls in the sliding groove and has an outer surface parallel to the inner side wall of the sliding groove,
the mouth is connected to one discharging side of the movable block and extends out of the sliding groove to form a discharging hole.
The lateral wall of movable block includes the lateral wall that three contained angle set up each other, is first lateral wall in the middle, the second lateral wall of both sides, third lateral wall respectively, the length of first lateral wall is less than the length of sliding tray lateral wall.
The lengths of the second side wall and the third side wall are equal and are half of the length of the first side wall.
The power source adopts a motor, the output shaft of the motor is connected with a screw rod, and the push rod is sleeved at the end part of the screw rod and moves back and forth along with the rotation of the screw rod; the push rod penetrates through the reference block and is connected with the nozzle block.
The push rod comprises a plate body driven by the screw rod and rod heads positioned on the plate body, wherein the rod heads are symmetrically arranged on two sides of the reference block, and the rod heads respectively push the nozzle block along two directions along with the movement of the plate body.
The pushing direction of the club head generates a component force in the moving direction of the nozzle block.
The beneficial effects of the utility model are as follows:
the utility model has compact and reasonable structure and convenient operation, and realizes the purpose of adjustable size of the discharge hole by adopting the movable nozzle assembly.
The four nozzle blocks are adopted for splicing the discharge hole, one of the nozzle blocks is pushed, namely the other three nozzle blocks can be pushed, so that the relative positions of the four nozzle blocks are changed, and the discharge hole between the four nozzle blocks is enlarged or reduced.
In the utility model, the sliding groove is arranged to be regular octagon corresponding to four nozzle blocks, and the side wall of the sliding groove is the movement path of the nozzle blocks, so that the nozzle blocks can conveniently reciprocate on the fixed path.
The utility model adopts the motor and the screw to drive the push rod with two rod heads, and can realize two functions of expanding and shrinking the discharge hole by one motor.
The discharging hole is square, so that the contact area is larger when extruded materials are stacked, and the stability of the product is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of another view of the overall structure of the present utility model.
Fig. 3 is a cross-sectional view of the present utility model.
Fig. 4 is a cross-sectional view of a nozzle assembly of the present utility model.
Fig. 5 is a bottom view of the nozzle assembly of the present utility model.
Wherein: 1. a bracket; 2. a storage needle tube; 3. a nozzle assembly; 4. a power unit;
101. a riser; 102. a cross plate; 103. a hoop;
301. a reference block; 302. a nozzle block; 303. a sliding groove; 304. a movable block; 305. a mouth; 306. a first sidewall; 307. a second sidewall; 308. a third sidewall;
401. a power source; 402. a push rod; 403. a screw; 404. a plate body; 405. a club head.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
As shown in fig. 1-5, the translational type opening adjustable printing nozzle of the embodiment comprises a bracket 1, a storage needle tube 2 arranged on the bracket 1, a nozzle component 3 and a power unit 4 arranged at the discharge end of the storage needle tube 2,
the nozzle assembly 3 includes:
the reference block 301 is fixed at the bottom of the bracket 1, and a sliding groove 303 is formed in the reference block 301;
the nozzle block 302 is provided with four nozzles, falls in the sliding groove 303 and reciprocates along the side wall surface direction of the sliding groove; a channel for discharging is formed between the side walls connected with the nozzle blocks 302;
the power unit 4 includes:
a power source 401 mounted on the bracket 1;
the push rod 402 is driven by the power source 401 to push the nozzle block 302 to reciprocate, and the caliber of the discharging channel is adjusted along with the movement of the push rod 402.
The bracket 1 comprises a vertical plate 101 for locking the storage needle tube 2 and a transverse plate 102 perpendicular to the bottom of the vertical plate 101;
the vertical plate 101 is extended with a hoop 103 for locking the storage needle tube 2, and the nozzle assembly 3 and the power unit 4 are arranged on the transverse plate 102.
The reference block 301 is mounted on the side of the cross plate 102 facing away from the vertical plate 101, the opening size of the sliding groove 303 is smaller than the inner size thereof, and the nozzle block 302 is movably embedded in the sliding groove 303.
The cross section of the sliding groove 303 is polygonal, and the nozzle blocks 302 are annularly arranged in the sliding groove 303; each nozzle block 302 reciprocates slidingly along the side wall of the sliding groove 303.
The shape of the nozzle block 302 specifically includes: .
Falls within the sliding groove 303, has an outer surface parallel to the inner side wall of the sliding groove 303,
the mouth 305 is connected to the discharging side of the movable block 304 and extends out of the sliding groove 303 to form a discharging hole.
The outer side wall of the movable block 304 comprises three side walls which are arranged at an included angle, namely a first side wall 306 in the middle, a second side wall 307 on two sides and a third side wall 308, and the length of the first side wall 306 is smaller than that of the side wall of the sliding groove 303.
The second sidewall 307 and the third sidewall 308 have equal lengths, which are half the length of the first sidewall 306.
The power source 401 adopts a motor, the output shaft of the motor is connected with a screw 403, and a push rod 402 is sleeved at the end part of the screw 403 and moves back and forth along with the rotation of the screw 403; a pushrod 402 extends through the reference block 301 and interfaces with the nozzle block 302.
The push rod 402 comprises a plate 404 driven by the screw 403, and a rod head 405 located on the plate 404, wherein the rod heads 405 are symmetrically arranged at two sides of the reference block 301, and the rod heads 405 respectively push the nozzle block 302 along two directions along with the movement of the plate 404.
The pushing direction of the head 405 generates a component force in the moving direction of the nozzle block 302.
The specific structure and working process of this embodiment are as follows:
as shown in fig. 1 and 2, in one embodiment of the present utility model, a storage needle tube 2 and a power unit 4 are fixedly installed on a bracket 1, and a nozzle assembly 3 is installed at the bottom of the storage needle tube 2.
As shown in fig. 3-5, the nozzle assembly 3 includes four nozzle blocks 302, and the relative movement of the four nozzle blocks 302 achieves the purpose of adjusting the size of the discharge opening.
As shown in fig. 3, a reference block 301 is mounted below the cross plate 102, a slide groove 303 is provided inside the reference block 301, the cross section of the slide groove 303 is regular octagon, and a bottom opening of the slide groove 303 is provided so that a mouth 305 of the nozzle block 302 protrudes. The sliding channel 303 has a mouth size that is larger than the mouth 305 to provide sufficient active area for the nozzle block 302.
The specific structure of the nozzle block 302 is shown in fig. 4 and 5, and the movable blocks 304 on the upper half of the nozzle block are combined to be similar to the structure of the regular octagonal sliding groove 303, but a movable gap is reserved between adjacent movable blocks 304 so as to adjust the size of the discharge hole. The mouth parts 305 connected below the movable blocks 304 are in an initial state, and the side walls of the mouth parts are tightly attached to each other, so that the mouth parts can be gradually separated along with the movement of the movable blocks 304, and a gradually-enlarged discharge hole is formed.
As shown in fig. 1 and 2, the power unit 4 is further shown, the power of the power unit 4 comes from a motor, a screw 403 is coaxially connected to an output shaft of the motor, a plate body 404 is sleeved on the screw 403, when the screw 403 rotates, the plate body 404 is pushed to move axially, the plate body 404 comprises a part vertically sleeved on the screw 403, and the plate body also comprises a part parallel to the transverse plate 102, so that an L-shaped structure is formed. The portion of the plate body 404 parallel to the cross plate 102 is located below the cross plate 102 and is capable of reciprocating with the screw 403. The two heads 405 extend from the portion of the plate 404 parallel to the transverse plate 102, and the two heads 405 respectively correspond to two sides of the reference block 301 and extend into the reference block 301 to push two opposite nozzle blocks 302.
In one embodiment of the utility model, the nozzle ensures that the storage needle tube 2 is limited by the bracket 1 in the use process, the outlet of the storage needle tube 2 is fixedly connected with the transverse plate 102 through threads, and the nozzle is sealed by a gasket, so that materials which can be output by the storage needle tube 2 can accurately fall into a discharge hole formed by the nozzle block 302.
Referring to the orientation in fig. 2, the motor is started and the discharge port size is adjusted: the motor rotates to drive the screw 403 to rotate, so that the plate 404 moves along the direction away from the motor, and the motor state at the moment is positive rotation; when the motor rotates positively, the club head 405 near one side of the riser 101 pushes the corresponding nozzle block 302, so that the first side wall 306 of the nozzle block 302 slides along the side wall of the sliding groove 303, and during the sliding process of the nozzle block 302, the adjacent nozzle block 302 is pushed, referring to the orientation in fig. 5, the nozzle block 302 should push the first nozzle block 302 in the counterclockwise direction; the first nozzle block 302 in the counterclockwise direction slides to push the second nozzle block 302 adjacent thereto in the counterclockwise direction; the second nozzle block 302 in the counterclockwise direction pushes the third nozzle block 302 in the counterclockwise direction, and the third nozzle block 302 in the counterclockwise direction slides, compensating for the displacement of the active nozzle block 302. This is one of the adjustment states.
The other adjustment state is that the motor is reversed to drive the screw 403 to rotate, so that the plate 404 moves along the direction approaching to the motor, and at this time, the club head 405 on the side away from the riser 101 pushes the corresponding nozzle block 302, so that the first side wall 306 of the nozzle block 302 slides along the side wall of the sliding groove 303, and during the sliding process of the nozzle block 302, the adjacent nozzle block 302 is pushed, referring to the orientation in fig. 5, it should be that the nozzle block 302 pushes the first nozzle block 302 in the clockwise direction, the first nozzle block 302 pushes the second nozzle block 302 in the clockwise direction, the second nozzle block 302 pushes the third nozzle block 302 in the clockwise direction, and the third nozzle block 302 in the clockwise direction does not sing the displacement of the active nozzle block 302.
The two adjusting states can realize the size of the discharge hole. If all of the nozzle blocks 302 are moved outwardly in parallel along the side walls of the slide groove, the discharge port becomes large; if all of the nozzle blocks 302 are moved translationally inward along the side walls of the slide channel, the discharge port is reduced.
According to the utility model, the size of the discharge hole can be accurately controlled through uniform speed adjustment of the motor and the screw 403, and square-section materials with larger contact areas are output according to actual requirements, so that the overall strength of the finished product is conveniently improved.
The above description is intended to illustrate the utility model and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the utility model.
Claims (10)
1. The utility model provides a translation type opening adjustable print shower nozzle, includes support (1), installs storage needle tubing (2) on support (1), its characterized in that: a nozzle component (3) and a power unit (4) are arranged at the discharge end of the storage needle tube (2),
the nozzle assembly (3) comprises:
the reference block (301) is fixed at the bottom of the bracket (1), and a sliding groove (303) is formed in the reference block (301);
the nozzle blocks (302) are provided with four nozzle blocks, fall into the sliding groove (303) and reciprocate along the side wall surface direction of the sliding groove; a channel for discharging is formed between the side walls connected with the nozzle blocks (302);
the power unit (4) comprises:
a power source (401) mounted on the bracket (1);
the push rod (402) is driven by the power source (401) to push the nozzle block (302) to reciprocate, and the caliber of the discharge channel is adjusted along with the movement of the push rod (402).
2. The translational open-end adjustable print head of claim 1, wherein: the bracket (1) comprises a vertical plate (101) for locking the storage needle tube (2) and a transverse plate (102) perpendicular to the bottom of the vertical plate (101);
and a hoop (103) for locking the storage needle tube (2) extends from the vertical plate (101), and the nozzle assembly (3) and the power unit (4) are arranged on the transverse plate (102).
3. The translational open-end adjustable print head of claim 2, wherein: the reference block (301) is arranged on one side of the transverse plate (102) deviating from the vertical plate (101), the opening size of the sliding groove (303) is smaller than the inner size of the sliding groove, and the nozzle block (302) is movably embedded in the sliding groove (303).
4. A translational open-end adjustable print head as claimed in claim 3, wherein: the section of the sliding groove (303) is polygonal, and the nozzle blocks (302) are arranged in the sliding groove (303) in an annular array; each nozzle block (302) reciprocates slidingly along the side wall of the sliding groove (303).
5. The translational open-end adjustable print head of claim 1, wherein: the shape of the nozzle block (302) specifically includes:
a movable block (304) which is located in the sliding groove (303) and is provided with an outer surface parallel to the inner side wall of the sliding groove (303),
the mouth (305) is connected to the discharging side of the movable block (304) and extends out of the sliding groove (303) to form a discharging hole.
6. The translational open-end adjustable print head of claim 5, wherein: the outer side wall of the movable block (304) comprises three side walls which are arranged at an included angle, namely a first side wall (306) in the middle, a second side wall (307) on two sides and a third side wall (308), wherein the length of the first side wall (306) is smaller than that of the side wall of the sliding groove (303).
7. The translational open-end adjustable print head of claim 6, wherein: the lengths of the second side wall (307) and the third side wall (308) are equal and are half of the length of the first side wall (306).
8. The translational open-end adjustable print head of claim 1, wherein: the power source (401) adopts a motor, the output shaft of the motor is connected with a screw (403), the push rod (402) is sleeved at the end part of the screw (403), and the push rod rotates and moves reciprocally along with the screw (403); the push rod (402) penetrates through the reference block (301) and is connected with the nozzle block (302).
9. The translational open-end adjustable print head of claim 8, wherein: the push rod (402) comprises a plate body (404) driven by a screw rod (403) and a rod head (405) positioned on the plate body (404), wherein the rod head (405) is symmetrically arranged at two sides of the reference block (301), and the rod head (405) moves along with the plate body (404) to push the nozzle block (302) along two directions respectively.
10. The translational open-end adjustable print head of claim 9, wherein: a component force is generated in the moving direction of the nozzle block (302) in the pushing direction of the head (405).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223318395.9U CN219114800U (en) | 2022-12-09 | 2022-12-09 | Translational type opening-adjustable printing spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223318395.9U CN219114800U (en) | 2022-12-09 | 2022-12-09 | Translational type opening-adjustable printing spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219114800U true CN219114800U (en) | 2023-06-02 |
Family
ID=86525364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223318395.9U Active CN219114800U (en) | 2022-12-09 | 2022-12-09 | Translational type opening-adjustable printing spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219114800U (en) |
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2022
- 2022-12-09 CN CN202223318395.9U patent/CN219114800U/en active Active
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