CN208428685U - A kind of belt transmission Double-gear feeding mechanism of FDM type 3D printer - Google Patents
A kind of belt transmission Double-gear feeding mechanism of FDM type 3D printer Download PDFInfo
- Publication number
- CN208428685U CN208428685U CN201821119587.8U CN201821119587U CN208428685U CN 208428685 U CN208428685 U CN 208428685U CN 201821119587 U CN201821119587 U CN 201821119587U CN 208428685 U CN208428685 U CN 208428685U
- Authority
- CN
- China
- Prior art keywords
- lid
- feeding mechanism
- box body
- binder
- belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a kind of belts of FDM type 3D printer to be driven Double-gear feeding mechanism, it includes stepper motor, box body and lid, the output end of stepper motor is fixed in the bottom of box body and output end protrudes into box body, cover cap is together in being equipped at intervals with two the second through-holes on the opening at the top of box body and lid, the driving wheel and two driven wheels that transmission connection is realized by a synchronous belt are equipped in box body, driving wheel is fixed on output end, two driven wheels are individually fixed in the lower end of two shafts, the upper end of shaft connects a charging gear after stretching out and stretch out from corresponding second through-hole, lid is equipped with the binder component of adjustable binder pressure, binder component includes two binder bearings, binder bearing and charging gear correspond.It has the beneficial effect that, is fed using two charging gears of synchronous rotation, prevent slipping phenomenon；Binder pressure continuously adjustable, applicability are good；Reduce the influence that stepper motor generates heat to 3D printing wire rod.
Description
Technical field
The utility model belongs to 3D printer and its accessories field, and in particular to a kind of belt biography of FDM type 3D printer
Dynamic Double-gear feeding mechanism.
Background technique
3D printer is also known as three-dimensional 3D printer (3DP), is a kind of cumulative manufacturing technology, i.e. one kind of rapid prototyping technology
Machine, it is based on a digital model file, and with adhesive materials such as special wax material, powdery metal or plastics, leads to
The jointing material of printing from level to level is crossed to manufacture three-dimensional object.Three-dimensional 3D printer is used to manufacture product at this stage.Successively
The mode of printing constructs the technology of object.The principle of 3D printer is that data and raw material are put into 3D printer, machine meeting
Product is created from level to level according to program.
3D printer and the maximum difference of conventional printer are that " ink " that it is used is raw material true, heap
The form of folded thin layer can be used for the medium wide variety printed, from numerous plastics to metal, ceramics and rubber there are many multiplicity
Gelatin substance.Some 3D printers can also enable that one, object printed is hard and other end is soft in conjunction with different medium.3D
Printing common used material has nylon glass, durability nylon material, gypsum material, aluminum material, titanium alloy, stainless steel, silver-plated, plating
Gold, rubber type of material.Currently, 3D printing in fields such as automobile, building, aerospace and medical treatment using very extensive, such as mold
Manufacture, parts machining, daily necessities mould processing and configuration design.FDM type 3D printer is clean with operating environment, safe,
Simple process, easy to operate and do not generate rubbish, dimensional accuracy is higher, and surface quality is preferable, is easily assembled and raw material types
It is more, the advantages such as expense is low, core component of the feed system as FDM type 3D printer, directly influence molded part precision and
Quality.Existing 3D printer feeding mechanism is gear charging, when having following defects that individual gears charging, is easy to skid
With get stuck, cause printing interrupt；When individual gears feed or are directly arranged gear charging by stepper motor, stepper motor is for a long time
The high temperature generated after work is easy to be transferred to printed material, causes printed material to soften or melt in fill process, finally makes
Obtain feed break；For softer printed material, only one puts forth effort to promote point individual gears, and printed material is in feeding-passage content
It is flexible and get stuck.
Utility model content
The utility model provides a kind of belt transmission Double-gear feeding mechanism of FDM type 3D printer, it is intended to overcome monodentate
Wheel feeding mechanism, which easily gets stuck and easily leads to printed material, is fed the technological deficiencies such as unsuccessfully by thermal softening or thawing.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of belt transmission of FDM type 3D printer
Double-gear feeding mechanism comprising the defeated of the stepper motor is fixed in stepper motor, box body and lid, the bottom of the box body
Outlet side and the box body bottom, which are offered, protrudes into the intracorporal first through hole of the box, the lid for the output end
The opening being covered at the top of the box body and it is equipped at intervals with two the second through-holes on the lid, is equipped in the box body by one
Synchronous belt realizes a driving wheel and two driven wheels for transmission connection, and the driving wheel is fixed on the output end, two
The driven wheel is individually fixed in the lower end of two shafts, and the upper end of the shaft is stretched out and stretched from corresponding second through-hole
A charging gear is connected after out, the lid is equipped with the binder component of adjustable binder pressure, and the binder component includes
Two binder bearings, the binder bearing are corresponded and are formed between the two with the charging gear and pass through for 3D printing wire rod
Gap.
Based on the above technical solution, the utility model can also do following improvement.
Further, the binder component further includes fixing piece and sliding part, and the end face of one end of the sliding part is equipped with
It is symmetrically arranged with engaging lug on groove, two sides, the binder bearing, the fixation are rotatably connected on each engaging lug
Part includes fixing seat and limit plate, and the fixing seat is fixedly connected with the lid, the fixing seat be equipped with third through-hole and
A nut is fixed in the third through-hole, the nut is connect with tail bolt thread, and one end of the tail bolt passes through described
Third through-hole simultaneously protrudes into the groove, and spring, the slot of one end of the spring and the groove are arranged on the tail bolt
Bottom surface abuts, and the other end is abutted with the nut, and one end of the limit plate is connect with the fixing seat, and the other end stretches to described
The one end of sliding part far from the groove, the limit plate can limit the sliding part below so that the sliding
Part only can be mobile in the length direction of the limit plate.
Use the above-mentioned improved benefit of further structure for by the cooperation of sliding part and fixing piece, through adjustment spring
Compression degree, can continuous effective and equal extent two binder bearing of adjusting to the pressure of the 3D printing wire rod of process, to guarantee
It feeds smooth non-slip and does not damage 3D printing wire rod by pressure.It only can two binder axis of synchronous adjustment by screwing and unscrewing tail bolt
The relevant pressure held, it is very convenient.
Further, the sliding part is equipped with sliding slot far from one end of the groove, and the bottom of the limit plate is equipped with convex block,
The convex block be caught in the sliding slot and with the sliding slot clearance fit.
Use the above-mentioned improved benefit of further structure for the interval cooperation of convex block and sliding slot, it is ensured that sliding block is only along limit
Position plate length direction is mobile, without guaranteeing that charging is smooth along thickness or width direction shaking.
Further, the sliding slot runs through the sliding part in vertical direction, and one end that the limit plate is equipped with convex block is set
It is threadedly coupled after thering is fixing bolt, the fixing bolt to run through the convex block with the upper surface of the lid.
Use the above-mentioned improved benefit of further structure for fixing piece both ends are fixedly connected with lid, in structure more
It is firm.
Further, the two sides of the sliding part are additionally provided with guide mouth, by through described between two guide mouths
The material guide channel of sliding part is connected to.
Use the above-mentioned improved benefit of further structure that guide mouth is set for, two sides, then 3D printing wire rod is from two guides
Mouth and its between material guide channel pass through, enhance the ability for preventing 3D printing wire rod from bending, while in the initial stage of charging,
Guarantee that the 3D printing wire rod after one feeds gear can smoothly be sent to another charging gear.
Further, the lid two sides are symmetrically arranged with feed nozzle and discharging gate.
The above-mentioned improved benefit of further structure is used to guarantee that input and output material is smooth.
Further, the shaft is rotatablely connected with the box body and lid respectively by two bearing parts.
Using the above-mentioned improved benefit of further structure for, bearing part includes pedestal and bearing, pedestal and lid or box body
It is fixedly connected, bearing holder (housing, cover) is set in shaft (interference fit or key connection), to preferably realize the transmission agency of shaft.
Further, it is bolted between the lid and the box body.
Use the above-mentioned improved benefit of further structure for detachably, easy access is replaced.
Further, the line of centres of the driving wheel and two driven wheels constitutes a triangle.
The above-mentioned improved benefit of further structure is used to be driven better effect, synchronous belt triangular shape is around actively
Wheel and two driven wheels reduce installation space.
Further, the sliding part and fixing piece are made of rigid plastics.
Use the above-mentioned improved benefit of further structure for easy processing manufacture and advantage of lower cost.
Compared with prior art, the utility model has the beneficial effects that
1) using the two charging gears charging rotated synchronously, 3D printing wire rod is in feeding mechanism by two charging teeth
The progradation of wheel is not in slipping phenomenon；For softer 3D printing wire rod, because being pressed to pair there are two binder bearing
The charging gear answered, and propulsive force is double superposition, therefore the propulsive force of each charging gear mesh 3D printing wire rod reduces, binder
Bearing can greatly reduce the pressure of 3D printing wire rod, be not in the case where 3D printing wire rod is pressed down or deforms, while by
Reduce in the propulsive force of each charging gear mesh 3D printing wire rod, therefore the 3D printing wire rod between two charging gears remains directly
Line and internal stress is smaller, is less prone to bending situation, therefore can effectively reduce the abnormal conditions to get stuck by bending and occur；
2) effectively that stepper motor is long by a toothed belt transmission connection between a driving wheel and two driven wheels
The high temperature that time service generates is separated with charging gear, and because there are two driven wheels, therefore has been shared driving wheel and passed by synchronous belt
It is handed to the heat of driven wheel, ensure that work long hours not will lead in feeding mechanism the softening of 3D printing wire rod or fusing and blocked
Material；
3) two binder bearings are suitable for different thick the pressure continuously adjustable of the 3D printing wire rod by corresponding gap
Carefully, the 3D printing wire rod of soft or hard degree and coefficient of friction is fed, and applicability is good.
Detailed description of the invention
Fig. 1 is that a kind of belt of the FDM type 3D printer provided of the utility model is driven showing for Double-gear feeding mechanism
It is intended to and (does not show that structure is shown using perspective method in charging and discharging mouth and box body)；
Fig. 2 be FDM type 3D printer shown in FIG. 1 belt be driven Double-gear feeding mechanism top view (including into and out of
Expect mouth)；
Fig. 3 is that the belt of FDM type 3D printer shown in FIG. 1 is driven the vertical view after Double-gear feeding mechanism opening lid
Figure；
Fig. 4 is the schematic diagram that the belt of FDM type 3D printer shown in Fig. 1 is driven the sliding part of Double-gear feeding mechanism；
Fig. 5 is the schematic diagram that the belt of FDM type 3D printer shown in Fig. 1 is driven the fixing piece of Double-gear feeding mechanism.
In attached drawing, parts list represented by the reference numerals are as follows:
1. stepper motor；2. box body；3. lid；4. synchronous belt；5. driving wheel；6. driven wheel；7. feeding gear；8. binder
Bearing；9. fixing piece；10. sliding part；11. groove；12. sliding slot；13. guide mouth；14. fixing seat；15. limit plate；16. spiral shell
It is female；17. tail bolt；18. spring；19. convex block；20. feed nozzle；21. discharging gate；22. bearing part；23.3D printing wire rod.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with drawings and the specific embodiments, example is only used
In explaining the utility model, it is not intended to limit the scope of the utility model.
As shown in Fig. 1 to 5, the utility model provides a kind of belt transmission Double-gear feeding mechanism of FDM type 3D printer,
It includes stepper motor 1, box body 2 and lid 3, and the bottom of the box body 2 is fixed on one where the output end of the stepper motor 1
Side and 2 bottom of the box body offer the first through hole protruded into the box body 2 for the output end, and the lid 3 is covered on
Two the second through-holes are equipped at intervals in the opening and the lid 3 at 2 top of box body, are equipped in the box body 2 by one
Synchronous belt 4 realizes that a driving wheel 5 and two driven wheels 6 for transmission connection, the driving wheel 5 are fixed on the output end, two
A driven wheel 6 is individually fixed in the lower end of two shafts, and the upper end of the shaft is stretched out from corresponding second through-hole
And a charging gear 7 is connected after stretching out, the lid 3 is equipped with the binder component of adjustable binder pressure, the binder group
Part includes two binder bearings 8, and the binder bearing 8 is corresponded and formed between the two with the charging gear 7 to be beaten for 3D
The gap that print wire rod 23 passes through.
In one embodiment of the utility model, the binder component further includes fixing piece 9 and sliding part 10, the cunning
The end face of one end of moving part 10 is equipped with groove 11, is symmetrically arranged with engaging lug, the upper rotation of each engaging lug on two sides
It is connected with the binder bearing 8, the fixing piece 9 includes fixing seat 14 and limit plate 15, the fixing seat 14 and the lid 3
It is fixedly connected, the fixing seat 14 is equipped in third through-hole and the third through-hole and is fixed with a nut 16, the nut 16
It is threadedly coupled with tail bolt 17, one end of the tail bolt 17 passes through the third through-hole and protrudes into the groove 11, described
Spring 18 is arranged on tail bolt 17, one end of the spring 18 is abutted with the groove bottom of the groove 11, the other end with it is described
Nut 16 abuts, and one end of the limit plate 15 is connect with the fixing seat 14, and the other end stretches to the sliding part 10 far from institute
State one end of groove 11, the limit plate 15 sliding part 10 below can be limited so that the sliding part 10 only
It can be mobile in the length direction of the limit plate 15.
Further, the sliding part 10 is equipped with sliding slot 12, the bottom of the limit plate 15 far from one end of the groove 11
Equipped with convex block 19, the convex block 19 be caught in the sliding slot 12 and with 12 clearance fit of sliding slot.
In another embodiment of the utility model, limit plate bottom does not set convex block but setting extends downwardly in two sides
Baffle to form the channel-shaped position limiting structure that Open Side Down, the sliding part is fitted into the slot, then sliding part is in limit plate
Effective limit also can be obtained in width and thickness direction, prevents from swinging.
Further, the sliding slot 12 runs through the sliding part 10 in vertical direction, and the limit plate 15 is equipped with convex block 19
One end be equipped with fixing bolt, the fixing bolt run through the convex block 19 after be threadedly coupled with the upper surface of the lid 3.
Further, the two sides of the sliding part 10 are additionally provided with guide mouth 13, pass through between two guide mouths 13 and pass through
Wear the material guide channel connection of the sliding part 10.
Further, 3 two sides of lid are symmetrically arranged with feed nozzle 20 and discharging gate 21.
It should be noted that feed nozzle goes out in order to guarantee binder bearing and feed the gap continuously adjustable between gear
Material mouth, guide mouth towards the gap side be disposed as sharp mouth shape, it is specific as shown in Figure 2.
Further, the shaft is rotatablely connected with the box body 2 and lid 3 respectively by two bearing parts 22.
Further, it is bolted between the lid 3 and the box body 2.
Further, the line of centres of the driving wheel 5 and two driven wheels 6 constitutes a triangle.
Further, the sliding part 10 and fixing piece 9 are made of rigid plastics.
The specific rigid plastics can be polypropylene, polyethylene or polytetrafluoroethylene (PTFE).
It should be noted that the model of the power of stepper motor, lid, box body, driving wheel, driven wheel, charging gear etc.
The those of ordinary skill in the art such as size oneself can design as needed and selection, do not repeat in the present invention.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of belt of FDM type 3D printer is driven Double-gear feeding mechanism, which is characterized in that including stepper motor (1), box
The output end side of the stepper motor (1) and the box are fixed in body (2) and lid (3), the bottom of the box body (2)
Body (2) bottom offers the first through hole protruded into the box body (2) for the output end, and the lid (3) is covered on described
It is equipped at intervals with two the second through-holes in opening and the lid (3) at the top of box body (2), is equipped in the box body (2) by one
Synchronous belt (4) realizes a driving wheel (5) and two driven wheels (6) for transmission connection, described in the driving wheel (5) is fixed on
Output end, two driven wheels (6) are individually fixed in the lower end of two shafts, and the upper end of the shaft is from corresponding described the
Two through-holes stretch out and connect after stretching out a charging gear (7), and the lid (3) is equipped with the binder group of adjustable binder pressure
Part, the binder component include two binder bearings (8), the binder bearing (8) and the charging gear (7) one-to-one correspondence and
The gap passed through for 3D printing wire rod (23) is formed between the two.
2. a kind of belt of FDM type 3D printer according to claim 1 is driven Double-gear feeding mechanism, feature exists
In the binder component further includes fixing piece (9) and sliding part (10), and the end face of one end of the sliding part (10) is equipped with recessed
It is symmetrically arranged with engaging lug on slot (11), two sides, the binder bearing (8), institute are rotatably connected on each engaging lug
Stating fixing piece (9) includes fixing seat (14) and limit plate (15), and the fixing seat (14) is fixedly connected with the lid (3), institute
Fixing seat (14) are stated equipped with third through-hole and is fixed with a nut (16) in the third through-hole, the nut (16) and tail spiral shell
Bolt (17) is threadedly coupled, and one end of the tail bolt (17) passes through the third through-hole and protrudes into the groove (11), described
It is arranged on tail bolt (17) spring (18), one end of the spring (18) is abutted with the groove bottom of the groove (11), another
End is abutted with the nut (16), and one end of the limit plate (15) is connect with the fixing seat (14), and the other end stretches to described
The one end of sliding part (10) far from the groove (11), the limit plate (15) can carry out the sliding part (10) below
It limits so that the sliding part (10) only can be mobile in the length direction of the limit plate (15).
3. a kind of belt of FDM type 3D printer according to claim 2 is driven Double-gear feeding mechanism, feature exists
In the sliding part (10) is equipped with sliding slot (12) far from the one end of the groove (11), and the bottom of the limit plate (15) is equipped with
Convex block (19), the convex block (19) be caught in the sliding slot (12) and with the sliding slot (12) clearance fit.
4. a kind of belt of FDM type 3D printer according to claim 3 is driven Double-gear feeding mechanism, feature exists
In the sliding slot (12) runs through the sliding part (10) in vertical direction, and the limit plate (15) is equipped with the one of convex block (19)
End is equipped with fixing bolt, and the fixing bolt is threadedly coupled with the upper surface of the lid (3) afterwards through the convex block (19).
5. a kind of belt of FDM type 3D printer according to claim 2 is driven Double-gear feeding mechanism, feature exists
In the two sides of the sliding part (10) are additionally provided with guide mouth (13), by through described between two guide mouths (13)
The material guide channel of sliding part (10) is connected to.
6. a kind of belt of FDM type 3D printer according to claim 2 is driven Double-gear feeding mechanism, feature exists
In lid (3) two sides are symmetrically arranged with feed nozzle (20) and discharging gate (21).
7. a kind of belt of FDM type 3D printer according to claim 1 is driven Double-gear feeding mechanism, feature exists
In the shaft is rotatablely connected with the box body (2) and lid (3) respectively by two bearing parts (22).
8. a kind of belt of FDM type 3D printer according to any one of claims 1 to 7 is driven Double-gear feeding mechanism,
It is characterized in that, being bolted between the lid (3) and the box body (2).
9. a kind of belt of FDM type 3D printer according to any one of claims 1 to 7 is driven Double-gear feeding mechanism,
It is characterized in that, the line of centres of the driving wheel (5) and two driven wheels (6) constitutes a triangle.
10. a kind of belt of FDM type 3D printer according to any one of claims 2 to 5 is driven Double-gear feeding mechanism,
It is characterized in that, the sliding part (10) and fixing piece (9) are made of rigid plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119587.8U CN208428685U (en) | 2018-07-16 | 2018-07-16 | A kind of belt transmission Double-gear feeding mechanism of FDM type 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119587.8U CN208428685U (en) | 2018-07-16 | 2018-07-16 | A kind of belt transmission Double-gear feeding mechanism of FDM type 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208428685U true CN208428685U (en) | 2019-01-25 |
Family
ID=65099032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821119587.8U Active CN208428685U (en) | 2018-07-16 | 2018-07-16 | A kind of belt transmission Double-gear feeding mechanism of FDM type 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208428685U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108656552A (en) * | 2018-07-16 | 2018-10-16 | 武汉瑞美展览股份有限公司 | A kind of belt transmission Double-gear feeding mechanism of FDM types 3D printer |
| CN114889118A (en) * | 2022-03-31 | 2022-08-12 | 江苏铭亚科技有限公司 | High-temperature corrosion-resistant material 3D printing equipment |
-
2018
- 2018-07-16 CN CN201821119587.8U patent/CN208428685U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108656552A (en) * | 2018-07-16 | 2018-10-16 | 武汉瑞美展览股份有限公司 | A kind of belt transmission Double-gear feeding mechanism of FDM types 3D printer |
| CN108656552B (en) * | 2018-07-16 | 2024-05-31 | 武汉瑞美展览股份有限公司 | Belt transmission double-gear feeding mechanism of FDM type 3D printer |
| CN114889118A (en) * | 2022-03-31 | 2022-08-12 | 江苏铭亚科技有限公司 | High-temperature corrosion-resistant material 3D printing equipment |
| CN114889118B (en) * | 2022-03-31 | 2023-07-14 | 江苏铭亚科技有限公司 | 3D printing equipment for high-temperature corrosion-resistant material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208428685U (en) | A kind of belt transmission Double-gear feeding mechanism of FDM type 3D printer | |
| CN205161849U (en) | Food 3D printer | |
| CN205130406U (en) | Novel 3D of quick assembly disassembly beats printer head | |
| CN102433677B (en) | Braided fabric traction system for computer knitting flat knitting machine with low device number | |
| CN203986030U (en) | A kind of 3D printer of making food | |
| KR101853431B1 (en) | Extruder for 3-dimentional printer | |
| CN202430437U (en) | Braided fabric traction system for computerized flat knitting machine with low machine number | |
| CN108656552A (en) | A kind of belt transmission Double-gear feeding mechanism of FDM types 3D printer | |
| CN212331848U (en) | 3D printer is with extruding material feeding unit | |
| CN109049708B (en) | 3D printer feed mechanism | |
| CN104608361B (en) | A kind of drawing-in device of rubber preforming machine | |
| CN208930672U (en) | A kind of processing thermoplastic elastomer extruder | |
| CN110076986A (en) | A kind of 3D printer that printing effect is good | |
| CN214324116U (en) | Double-screw continuous plastic extruder | |
| CN208812569U (en) | A kind of 3D printer feed device that can actively adapt to material | |
| CN207403182U (en) | A kind of 3D printing extruder using four axis screw rod occlusion structures | |
| CN208801623U (en) | A kind of 3D printer tiling powder feeding driving mechanism | |
| CN206011767U (en) | A kind of consumptive material of 3D drawing pens replaces mechanism | |
| CN206170654U (en) | 3D printer feeder | |
| CN113232066A (en) | Online cutting device is used in PP panel production | |
| CN109047063B (en) | Mould processing equipment with rotate cleaning function | |
| CN205802611U (en) | A kind of woven bag digital controlled guillotine | |
| CN215199984U (en) | Material feeding unit is used in gear machining production | |
| CN219154827U (en) | Inlet wire movable hardening assembly of taping machine | |
| CN110948853A (en) | 3D prints high-speed material feeding unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |