CN103878978B - A kind of small-sized FDM technology 3D printer - Google Patents

A kind of small-sized FDM technology 3D printer Download PDF

Info

Publication number
CN103878978B
CN103878978B CN201410083474.7A CN201410083474A CN103878978B CN 103878978 B CN103878978 B CN 103878978B CN 201410083474 A CN201410083474 A CN 201410083474A CN 103878978 B CN103878978 B CN 103878978B
Authority
CN
China
Prior art keywords
set screw
mobile system
hole
link
axis
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.)
Expired - Fee Related
Application number
CN201410083474.7A
Other languages
Chinese (zh)
Other versions
CN103878978A (en
Inventor
隗德民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Jinan
Original Assignee
University of Jinan
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by University of Jinan filed Critical University of Jinan
Priority to CN201410083474.7A priority Critical patent/CN103878978B/en
Publication of CN103878978A publication Critical patent/CN103878978A/en
Application granted granted Critical
Publication of CN103878978B publication Critical patent/CN103878978B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Character Spaces And Line Spaces In Printers (AREA)

Abstract

nullThe invention discloses a kind of small-sized FDM technology 3D printer,Including frame、Base、X-axis mobile system、Printing equipment,Frame includes left column、Right column and lower connecting plate、Upper junction plate,Base is connected with lower connecting plate,Upper junction plate is connected with printing consumables link,Printing consumables link is provided with printing consumables fixed disk,Described printing equipment is connected with X-axis mobile system,X-axis mobile system is provided with the X-axis moving guide rail that printing equipment moves,Base bottom is provided with the power supply being connected、Controller,Controller and X-axis mobile system、Printing equipment connects,Printing equipment includes extruding printhead、Link、Feed mechanism,Link includes side support arm、Right side support arm、Support seat,Support seat and left support arm、Right side support arm connects,Left support arm、Right side support arm is connected with X-axis moving guide rail,Feed mechanism is arranged on support seat,Extrusion printhead is connected with supporting seat bottom.Simple in construction, compact, volume is little.

Description

A kind of small-sized FDM technology 3D printer
Technical field
The present invention relates to 3D printer technology field, print particularly to a kind of small-sized FDM technology 3D Machine.
Background technology
Three-dimensional printer is emerging technology developing industry, has purposes and huge market the most widely Demand, simultaneously three-dimensional DIY crowd is increasing, but due to three-dimensional printer print spare and accessory parts cost high, Efficiency is low, simultaneously because the 3D printer arrangement of prior art is more complicated, volume ratio is relatively big, structure is the tightest Gathering, buying and use and maintenance cost are higher, limit use market and the scale of consumer.
Summary of the invention
The purpose of the present invention is exactly for solving the problems referred to above that prior art exists, it is provided that a kind of small-sized FDM Technology 3D printer;Present configuration is simple, compact, and volume is little, and cost of manufacture is low, and versatility is high, full The foot consumption demand of current growing 3D printer.
The present invention solves the technical scheme of technical problem:
A kind of small-sized FDM technology 3D printer, moves including frame, base, X-axis mobile system, Y-axis System, Z axis mobile system, printing equipment, described frame include the left column of the left and right sides, right column and under Connecting plate, upper junction plate, described lower connecting plate, upper junction plate be connected with left column, right column respectively, the end Seat is connected with lower connecting plate, and upper junction plate is connected with printing consumables link, and printing consumables link is provided with Printing consumables fixed disk, described printing equipment is connected with X-axis mobile system, described X-axis mobile system and Z Axle mobile system connects, and described left column, right column are provided with column guide rail, Z axis mobile system and column guide rail Connecting, Y-axis mobile system is connected with base, and described X-axis mobile system is provided with the X-axis shifting that printing equipment moves Dynamic guide rail, described base bottom is provided with power supply, the controller being connected, and controller is connected with power supply, described control Device processed is connected with X-axis mobile system, Y-axis mobile system, Z axis mobile system, printing equipment, described printing Device includes extruding printhead, link, feed mechanism, and described link includes that side support arm, right side are propped up Brace, support seat, support seat and be connected with left support arm, Right side support arm, and left support arm, right side are propped up Brace is connected with X-axis moving guide rail, move along the x-axis guide rail moves axially, and feed mechanism is arranged on support seat On, extrusion printhead is connected with supporting seat bottom.
Described feed mechanism includes the 4th numerical-control motor, drive sprocket axle, follower shaft, and the 4th numerical-control motor is defeated Shaft is provided with the first gear, and drive sprocket axle is provided with the second gear, the first gear and the engagement of the second gear, Supporting seat middle part along the longitudinal direction and be provided with the support seat slot hole of up/down perforation, drive sprocket axle passes through bearing Being connected with both sides before and after support seat, the centre of drive sprocket axle is provided with printing consumables driving wheel, in the middle of follower shaft Being provided with driven pulley, printing consumables driving wheel, driven pulley are located in support seat slot hole, and before and after supporting seat, both sides set Having long slot bore, follower shaft is connected with long slot bore by the support shaft end of both sides, and support shaft end is radially Be provided with follower shaft vertically through horizontally-guided hole, the axis of described pilot hole and follower shaft axis exist Intersecting vertically in horizontal plane, link is provided with driven pulley horizontal level set screw connecting hole, set screw It is connected with from set screw connecting hole, set screw connecting hole axis and the dead in line of pilot hole, prints consumption Material is pressed between printing consumables driving wheel, driven pulley by the second compression spring being located in set screw, The first compression mode is: drive sprocket axle bearing mounting hole and long slot bore are by long slot bore and drive sprocket axle bearing Side between installing hole separates, and the thin end of set screw stretches out rear and the 3rd compression bullet from pilot hole Spring coordinates, and one end of the 3rd compression spring is connected with long slot bore side, one end and set screw end rear portion Step coordinates, and described set screw is provided with adjusting nut, locking nut, link is additionally provided with and elongated slot The adjusting hole that hole is through, described adjusting nut, locking nut are located at adjusting hole position, are incited somebody to action by locking nut Set screw is fixed with link, and the second compression spring is located at the regulation spiral shell supported between axle head and adjusting nut On silk;The second compresses mode: drive sprocket axle bearing mounting hole is the structure connected with long slot bore, regulation The end of screw coordinates with pilot hole, and described set screw is provided with adjusting nut, locking nut, link Being provided with the adjusting hole through with long slot bore, described adjusting nut, locking nut are located at adjusting hole position, logical Crossing locking nut set screw to be fixed with link, the second compression spring is located at support axle head and adjusting nut Between set screw on, by the elastic force of the second compression spring, printing consumables is pressed on printing consumables and drives Between wheel and driven pulley.
Described controller uses single-chip microcomputer;The output voltage of described power supply is DC12V DC source;Described 4th Numerical-control motor uses motor.
Described single-chip microcomputer, power supply are located at base bottom, and the connection wire of described 4th numerical-control motor is from base Wire through-hole in pass.
Beneficial effects of the present invention:
1. present configuration is simple, compact, and volume is little, and cost of manufacture is low, installs, adjusts and unload conveniently, during use Printing consumables from supporting seat slot hole, the gap entered between printing consumables driving wheel and driven pulley and passing, from Driving wheel can use bearing empty set to exist, the axis of drive sprocket axle, the axis of follower shaft and the 4th numerical-control motor Output axis in same horizontal plane support shaft, by mobile adjusting nut position in set screw, Adjust the elastic force of the second compression spring so that printing consumables is subject between printing consumables driving wheel, driven pulley Different clamping forces, holding printing consumables is reliable, be continuously supplied into printhead.
2. by being provided with link long slot bore, adjusting nut, horizontally-guided hole, driven pulley in link both sides The structures such as the adjusting hole that horizontal level set screw connecting hole is through with long slot bore, it is possible to be conveniently adjusted from The position of driving wheel, keeps driven pulley and the suitably distance of printing consumables driving wheel, makes printing consumables be subject to suitably Frictional force and be directed downwardly in printhead with suitable speed, horizontally-guided hole achieves follower shaft Axial restraint, it is to avoid the structure that other axial restraint and fastening means exist is complicated, install and dismantle inconvenience And adjust loaded down with trivial details problem, decrease the size of frame, rack construction more compact: 7. by first simultaneously Plant compression mode, after unclamping the second compression spring, under the elastic force effect of the 3rd compression spring, driven pulley Disengage with printing consumables, can the advance and retreat of manual adjustment printing consumables easily;Compressed by the second Mode, omits the 3rd compression spring, and the gap between printing consumables driving wheel and driven pulley outer surface is less than The diameter dimension of printing consumables, more compact structure, volume is less.
3. power supply, controller, power interface etc. are located at base bottom, the connection wire of described 4th numerical-control motor Wire through-hole from base passes, it is possible to make full use of base bottom space, center of gravity low, and base plate Top is neat, safe and reliable;Controller uses single-chip microcomputer, and power supply uses DC12V DC source, the 4th number Control motor uses motor, and safety is high, low cost, adapts to produce in enormous quantities and the market demand.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the sectional view of the first embodiment of A-A of Fig. 1;
Fig. 4 is the sectional view of A-A the second embodiment of Fig. 1.
Detailed description of the invention
In order to be more fully understood that the present invention, explain in detail embodiments of the present invention below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of small-sized FDM technology 3D printer, including frame 1, base 2, X Axle mobile system 3, Y-axis mobile system 4, Z axis mobile system 5, printing equipment 6, described frame 1 includes The left column 101 of the left and right sides, right column 102 and lower connecting plate 103, upper junction plate 104, described lower company Fishplate bar 103, upper junction plate 104 are connected with left column 101, right column 102 respectively, base 2 with under be connected Plate 103 connects, and upper junction plate 104 is connected with printing consumables link 7, and printing consumables link 7 sets Having printing consumables fixed disk 701, described printing equipment 6 to be connected with X-axis mobile system 3, described X-axis moves System 3 is connected with Z axis mobile system 5, and described left column 101, right column 102 are provided with column guide rail, Z Axle mobile system 5 is connected with column guide rail, and Y-axis mobile system 4 is connected with base 2, and described X-axis moves System 3 is provided with the X-axis moving guide rail 302 that printing equipment moves, and is provided with, bottom described base 2, the electricity being connected Source, controller, controller is connected with power supply, described controller and X-axis mobile system 3, Y-axis mobile system 4, Z axis mobile system 5, printing equipment 6 connect, and described printing equipment 6 includes extruding printhead 601, connecting Connect frame 602, feed mechanism 603, described link 602 include side support arm 604, Right side support arm 605, Support seat 606, support seat 606 and be connected with left support arm 604, Right side support arm 605, left support arm 604, Right side support arm 605 is connected with X-axis moving guide rail 302, moves along the x-axis guide rail and move axially, and send Material mechanism 603 is arranged on support seat 606, and extrusion printhead 601 is connected with supporting seat 606 bottom.Institute State controller and use single-chip microcomputer.
Described printing equipment 6 includes extruding printhead 601, link 602, feed mechanism 603, described connection The left and right sides support arm 604 of frame 602 is connected with X-axis moving guide rail 302, move along the x-axis guide rail moves axially, and send Material mechanism 603 is arranged on link 602, and extrusion printhead 601 is connected with link 602 bottom.
Described feed mechanism 603 includes the 4th numerical-control motor 6031, drive sprocket axle 6032, follower shaft 6033, 4th numerical-control motor output shaft is provided with the first gear 6034, and drive sprocket axle 6032 is provided with the second gear 6035, First gear 6034 engages with the second gear 6035, supports seat 606 middle part along the longitudinal direction and is provided with up and down Through support seat slot hole 6036, drive sprocket axle 6032 is by coordinating with drive sprocket axle bearing mounting hole 6049 Drive sprocket axle bearing is connected with both sides before and after support seat, and the centre of drive sprocket axle 6032 is provided with printing consumables and drives Wheel 6037, is provided with driven pulley 6038, printing consumables driving wheel 6037, driven pulley 6038 in the middle of follower shaft 6033 Being located in support seat slot hole 6036, printing consumables driving wheel 6037 surface knurling or gear structure are to increase biography Dynamic frictional force, before and after supporting seat, both sides are provided with long slot bore 6039, the follower shaft 6033 support by both sides Shaft end is connected with long slot bore 6039, support shaft end be radially provided with follower shaft vertically through level Pilot hole 6040, the axis of described pilot hole 6040 intersects vertically in horizontal plane with follower shaft 6033 axis, Link is provided with driven pulley horizontal level set screw connecting hole, and set screw 6041 connects with from set screw Connecing hole to connect, set screw connecting hole axis and the dead in line of pilot hole 6040, printing consumables is by being located at The second compression spring 6045 in set screw 6041 is pressed in printing consumables driving wheel 6037, driven pulley 6038 Between, wherein: a kind of structure is that drive sprocket axle bearing mounting hole 6049 and long slot bore 6039 pass through long slot bore Side 6048 between 6039 and drive sprocket axle bearing mounting hole 6049 separates, the thin end of set screw 6041 Hold and coordinate with the 3rd compression spring 6046 after pilot hole 6040 stretches out, one end of the 3rd compression spring 6046 Be connected with long slot bore 6039 side 6048, one end coordinates with the step 6047 at set screw 6041 end rear portion, Described set screw 6041 is provided with adjusting nut 6042, locking nut 6043, link is additionally provided with long The adjusting hole 6044 that slotted eye is through, described adjusting nut 6042, locking nut 6043 be located at adjusting hole position, Set screw 6041 being fixed with link by locking nut 6043, the second compression spring 6045 is located at support In set screw between axle head and adjusting nut, so after unclamping the second compression spring 6045, the 3rd Under the elastic force effect of compression spring 6046, driven pulley 6038 disengages with printing consumables, can hands easily The advance and retreat of work regulation printing consumables;Another kind of structure is, drive sprocket axle bearing mounting hole 6049 and long slot bore 6039 Being the structure of connection, the end of set screw 6041 coordinates with pilot hole 6040, thus omits the 3rd compression bullet Spring 6046, the gap between printing consumables driving wheel 6037 and driven pulley 6038 outer surface is less than printing consumables Diameter dimension, described set screw 6041 is provided with adjusting nut 6042, locking nut 6043, link On be additionally provided with the adjusting hole 6044 through with long slot bore, described adjusting nut 6042, locking nut 6043 are located at Adjusting hole position, is fixed set screw 6041 with link by locking nut 6043, the second compression spring 6045 are located in the set screw supported between axle head and adjusting nut, by the bullet of the second compression spring 6045 Printing consumables is pressed between printing consumables driving wheel 6037 and driven pulley 6038 by power.During use, print consumption Material is from supporting seat slot hole 6036, the gap entered between printing consumables driving wheel 6037 and driven pulley 6033 and wearing Cross, driven pulley can use bearing empty set on follower shaft, the axis of drive sprocket axle, the axle of follower shaft The output axis of line and the 4th numerical-control motor is in same horizontal plane support shaft, by mobile adjusting nut 6042 positions in set screw 6041, adjust the elastic force of the second compression spring 6045 so that printing consumables By different clamping forces between printing consumables driving wheel 6037, driven pulley 6038, holding printing consumables can Lean on, be continuously supplied into printhead.By being provided with link long slot bore 6039, regulation spiral shell in link both sides Female 6042, horizontally-guided hole 6040, driven pulley horizontal level set screw connecting hole are through with long slot bore The structures such as adjusting hole 6044, it is possible to be conveniently adjusted the position of driven pulley, keep driven pulley to drive with printing consumables The suitably distance of driving wheel, printing consumables is made to be beaten by suitable frictional force being directed downwardly into suitable speed In print head, and achieve the axial restraint of follower shaft by horizontally-guided hole, it is to avoid other is axially consolidated Structure complexity that fixed and fastening means exists, install and dismantle inconvenience and adjust loaded down with trivial details problem, subtracting simultaneously The size of frame, rack construction are lacked more compact.
Although the detailed description of the invention of invention is described by the above-mentioned accompanying drawing that combines, but not protects the present invention Protecting the restriction of scope, on the basis of technical scheme, those skilled in the art need not pay wound The property the made various amendments that can make of work or deformation are still within protection scope of the present invention.

Claims (3)

  1. null1. a small-sized FDM technology 3D printer,It is characterized in that,Including frame、Base、X-axis mobile system、Y-axis mobile system、Z axis mobile system、Printing equipment,Described frame includes the left column of the left and right sides、Right column and lower connecting plate、Upper junction plate,Described lower connecting plate、Upper junction plate respectively with left column、Right column connects,Base is connected with lower connecting plate,Upper junction plate is connected with printing consumables link,Printing consumables link is provided with printing consumables fixed disk,Described printing equipment is connected with X-axis mobile system,Described X-axis mobile system is connected with Z axis mobile system,Described left column、Right column is provided with column guide rail,Z axis mobile system is connected with column guide rail,Y-axis mobile system is connected with base,Described X-axis mobile system is provided with the X-axis moving guide rail that printing equipment moves,Described base bottom is provided with the power supply being connected、Controller,Controller is connected with power supply,Described controller and X-axis mobile system、Y-axis mobile system、Z axis mobile system、Printing equipment connects,Described printing equipment includes extruding printhead、Link、Feed mechanism,Described link includes side support arm、Right side support arm、Support seat,Support seat and left support arm、Right side support arm connects,Left support arm、Right side support arm is connected with X-axis moving guide rail、Move along the x-axis guide rail to move axially,Feed mechanism is arranged on support seat,Extrusion printhead is connected with supporting seat bottom;
    nullDescribed feed mechanism includes the 4th numerical-control motor、Drive sprocket axle、Follower shaft,4th numerical-control motor output shaft is provided with the first gear,Drive sprocket axle is provided with the second gear,First gear and the engagement of the second gear,Support seat middle part along the longitudinal direction and be provided with the support seat slot hole of up/down perforation,Drive sprocket axle is connected with both sides before and after support seat by bearing,The centre of drive sprocket axle is provided with printing consumables driving wheel,Driven pulley it is provided with in the middle of follower shaft,Printing consumables driving wheel、Driven pulley is located in support seat slot hole,Before and after supporting seat, both sides are provided with long slot bore,Follower shaft is connected with long slot bore by the support shaft end of both sides,Support shaft end be radially provided with follower shaft vertically through horizontally-guided hole,The axis of described pilot hole intersects vertically in horizontal plane with follower shaft axis,Link is provided with driven pulley horizontal level set screw connecting hole,Set screw is connected with from set screw connecting hole,Set screw connecting hole axis and the dead in line of pilot hole,Printing consumables is pressed in printing consumables driving wheel by the second compression spring being located in set screw、Between driven pulley,The first compression mode is: drive sprocket axle bearing mounting hole and long slot bore are separated by the side between long slot bore and drive sprocket axle bearing mounting hole,The thin end of set screw is after pilot hole stretches out、Coordinate with the 3rd compression spring,One end of 3rd compression spring is connected with long slot bore side、One end coordinates with the step at set screw end rear portion,Described set screw is provided with adjusting nut、Locking nut,The adjusting hole through with long slot bore it is additionally provided with on link,Described adjusting nut、Locking nut is located at adjusting hole position,By locking nut, set screw is fixed with link,Second compression spring is located in the set screw supported between axle head and adjusting nut;The second compresses mode: drive sprocket axle bearing mounting hole is the structure connected with long slot bore, the end of set screw coordinates with pilot hole, described set screw is provided with adjusting nut, locking nut, link is provided with the adjusting hole through with long slot bore, described adjusting nut, locking nut are located at adjusting hole position, by locking nut, set screw is fixed with link, second compression spring is located in the set screw supported between axle head and adjusting nut, is pressed between printing consumables driving wheel and driven pulley by printing consumables by the elastic force of the second compression spring.
  2. A kind of small-sized FDM technology 3D printer the most as claimed in claim 1, is characterized in that, described controller uses single-chip microcomputer;The output voltage of described power supply is DC12V DC source;Described 4th numerical-control motor uses motor.
  3. A kind of small-sized FDM technology 3D printer the most as claimed in claim 2, It is characterized in that, described single-chip microcomputer, power supply are located at base bottom, and connecting in wire wire through-hole from base of described 4th numerical-control motor passes.
CN201410083474.7A 2014-03-07 2014-03-07 A kind of small-sized FDM technology 3D printer Expired - Fee Related CN103878978B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410083474.7A CN103878978B (en) 2014-03-07 2014-03-07 A kind of small-sized FDM technology 3D printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410083474.7A CN103878978B (en) 2014-03-07 2014-03-07 A kind of small-sized FDM technology 3D printer

Publications (2)

Publication Number Publication Date
CN103878978A CN103878978A (en) 2014-06-25
CN103878978B true CN103878978B (en) 2016-08-17

Family

ID=50948247

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410083474.7A Expired - Fee Related CN103878978B (en) 2014-03-07 2014-03-07 A kind of small-sized FDM technology 3D printer

Country Status (1)

Country Link
CN (1) CN103878978B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104085058A (en) * 2014-06-26 2014-10-08 济南大学 Feeding bracket of FDM (Frequency-Division Multiplexing) 3D (Three-Dimensional) printer
CN104129079B (en) * 2014-08-07 2016-11-09 北京汇天威科技有限公司 A kind of novel 3D printer
CN104647759A (en) * 2015-02-11 2015-05-27 漳州市回声电子科技有限公司 Dual-motor wire feeding 3D printer
CN104608390A (en) * 2015-02-28 2015-05-13 济南大学 Material feeding mechanism for 3D printer
CN104802405B (en) * 2015-04-02 2017-01-25 南宁利汉仪器设备有限公司 Valve-type anti-blocking printer nozzle component
CN105437550A (en) * 2015-12-18 2016-03-30 济南大学 3D printer wire feeding structure
CN105690765B (en) * 2016-03-14 2018-04-27 佛山市北极熊科技有限公司 It is a kind of that industrial 3D printing equipment is used for based on Internet of Things
CN109571937B (en) * 2017-06-21 2020-10-27 合肥仨力机械制造有限公司 Intelligent 3D printer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203228407U (en) * 2013-04-19 2013-10-09 允友成(宿迁)复合新材料有限公司 Three-dimensional printer
CN103350509A (en) * 2013-07-15 2013-10-16 广西钦州宇佳投资有限公司 Screw type 3D printer capable of replacing outputting material
CN103521765B (en) * 2013-09-29 2016-04-20 福建海源三维打印高科技有限公司 A kind of Portable 3D printer
CN203726831U (en) * 2014-03-07 2014-07-23 济南大学 Small 3D printer using FDM (frequency division multiplexing) technology

Also Published As

Publication number Publication date
CN103878978A (en) 2014-06-25

Similar Documents

Publication Publication Date Title
CN103878978B (en) A kind of small-sized FDM technology 3D printer
CN103802322B (en) Based on the novel 3D printer of FDM
CN103878976B (en) Based on the portable 3D printer of FDM technology
CN103878977B (en) The 3D printer of a kind of FDM
CN204818672U (en) Multiaxis auto -screwdriving machine with adjustable
CN105014368A (en) Adjustable multi-shaft automatic screwing machine and position adjustment method thereof
CN103862676B (en) Fdm technology 3d printer
CN103847103B (en) 3D printer based on FDM technology
CN205226250U (en) Belt elasticity adjustment mechanism
CN203792261U (en) Adjustable thruster
CN205674168U (en) A kind of turning workbench of automotive wire bundle
CN104669624A (en) Delta 3D (three-dimensional) printer
CN203739248U (en) 3D printer based on FDM technology
CN203779871U (en) FMD (frequency-division multiplexing) 3D (three-dimensional) printer
CN203726831U (en) Small 3D printer using FDM (frequency division multiplexing) technology
CN210088356U (en) Camera fixing device for intelligent visual detection system equipment
CN203348450U (en) Belt tensioning mechanism and belt transmission device
CN202937750U (en) Tensioning device of air conditioner compressor
CN203560374U (en) Belt tensioning mechanism
CN105313184A (en) Multifunctional multi-belt saw and installation method thereof
CN203739249U (en) FDM (frequency-division multiplexing) technology-based 3D (three-dimensional) printer
CN205310833U (en) Delta 3d printer
CN104905910A (en) Transverse edgefold mechanism for hygienic products
CN207630550U (en) Baffle conveyer belt edge-bonding machine
CN203130953U (en) Anti-overloading protection mechanism for vertical screw driving device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160817

Termination date: 20210307

CF01 Termination of patent right due to non-payment of annual fee