CN103863861B - Roller supporting structure and transmitting device - Google Patents
Roller supporting structure and transmitting device Download PDFInfo
- Publication number
- CN103863861B CN103863861B CN201410081906.0A CN201410081906A CN103863861B CN 103863861 B CN103863861 B CN 103863861B CN 201410081906 A CN201410081906 A CN 201410081906A CN 103863861 B CN103863861 B CN 103863861B
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- China
- Prior art keywords
- chain
- groove
- periphery
- shaft body
- steel bar
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/0061—Tools for holding the circuit boards during processing; handling transport of printed circuit boards
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Rolling Contact Bearings (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a kind of roller supporting structure and transmitting device.Roller supporting structure, including shaft body；Described shaft body includes upper support portion and the Lower bearing portions playing lateral support effect, and the periphery of described Lower bearing portions is provided with rolling member；The upper end of described shaft body or lower end connection have lateral support member.Supporting structure of the present invention adopts the rolling type structure of sleeve or needle bush, substantially reduce the frictional force and track between in use, also eliminate the jitter phenomenon of track, the service life of track also increases substantially, and the operation of transmitting device more is stablized.
Description
Technical field
The present invention relates to the supporting structure in a kind of transmission of chain type, more specifically refer to a kind of roller supporting structure and
Transmitting device.
Background technology
In prior art, in the Wave soldering apparatus of pcb board, in chain type transmitting device, adopt monoblock type titanium pawl（Including pawl
Hook and the shaft body for fixing claw hook）, concrete structure as shown in Fig. 1 to Figure 1A, fix by the top of shaft body and chain link plate,
Bottom then contacts at the side of support, and due to being monolithic construction, the side with support is a kind of hard friction mode, uses
Frictional force is very big, is allowed to transport motor running painstakingly, thus producing shake, and the service life of conveying track shortens, and easily grinds
Damage.
Therefore, it is necessary to it is little to develop frictional force, long service life, nonabradable supporting structure, to reduce vibration, carry
The precision of high chain type transmitting device.
Content of the invention
It is an object of the invention to overcoming the defect of prior art, provide a kind of roller supporting structure and transmitting device.
For achieving the above object, the present invention employs the following technical solutions：
Roller supporting structure, including shaft body；Described shaft body include playing lateral support effect upper support portion and
Lower bearing portions, the periphery of described Lower bearing portions is provided with rolling member；The upper end of described shaft body or lower end connection have lateral support member.
Its further technical scheme is：Described rolling member is the sleeve being sheathed on Lower bearing portions periphery.
Its further technical scheme is：Described rolling member includes several needle rollers located at Lower bearing portions periphery, and sheathed
Needle bush in needle roller periphery；Also include the catch for several needle roller two ends of axial restraint.
Its further technical scheme is：Described upper support portion is sheathed on the center in the hole of chain link plate.
Its further technical scheme is：Described lateral support member is located at the lower end of shaft body, and is for supporting object
Claw hook.
Transmitting device, including the section bar being arranged with two gathering sills, located at the sprocket wheel at section bar two ends, and located at two chains
Chain on wheel, chain passes through described two gathering sills, and the link center hole of described chain is provided with support shaft, described supporting
Axle is aforesaid roller supporting structure.
Its further technical scheme is：Described gathering sill include upper rectangular channel for inserting chain and for through under
The under shed groove of support.
Its further technical scheme is：Described section bar is aluminium section bar；The one or both sides of described under shed groove are provided with down
Groove, is provided with the lower steel bar for supporting Lower bearing portions in low groove；The one or both sides of upper rectangular channel are provided with upper groove, fovea superior
It is embedded with the upper steel bar for support chains side in groove.
Its further technical scheme is：Described upper groove is T-slot, and upper steel bar is T-steel bar；Low groove is to exceed
The arc groove of 180 degree radian, lower steel bar is the circular arc steel bar exceeding 180 degree radian；Described chain link plate includes being provided with center
The chain rivet in hole, chain rivet periphery is provided with some needle rollers, and the axle sleeve located at some needle roller peripheries, and axle sleeve peripheral action is in upper steel
Bar, also includes the needle roller ring for fixing positioned at some needle roller two ends.
Its further technical scheme is：The periphery of described rolling member is cone, and upper end is more than lower end；Chain rivet periphery is provided with
Axle sleeve be taper sheath, lower end is more than upper end, and axle sleeve is identical with the taper of rolling member.
Compared with the prior art, the invention has the advantages that：Supporting structure of the present invention adopts the rolling of sleeve or needle bush
Formula structure, substantially reduces and track in use（The i.e. side of the under shed groove of section bar）Between frictional force, also disappear
Except the jitter phenomenon of track, the service life of track also increases substantially, and the operation of transmitting device more is stablized.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Brief description
Fig. 1 is the three-dimensional structure diagram of monoblock type titanium pawl of the prior art；
Figure 1A is the principle schematic diagram. of the shaft body of monoblock type titanium pawl in Fig. 1（Profile）；
Fig. 2 is the exploded perspective figure of roller supporting structure specific embodiment of the present invention（Roller type）；
Fig. 2A is the installation diagram of Fig. 2（The not shown catch of in figure）；
Fig. 3 is the principle schematic diagram. of the shaft body in Fig. 2 embodiment（Profile）；
Fig. 3 A is the principle schematic diagram. of the shaft body in Fig. 2 embodiment（Exploded view）；
Fig. 4 is the exploded perspective figure of roller supporting structure specific embodiment of the present invention（Needle-type）；
Fig. 4 A is the installation diagram of Fig. 4；
Fig. 5 is the principle schematic diagram. of the shaft body in Fig. 4 embodiment（Profile）；
Fig. 5 A is the principle schematic diagram. of the shaft body in Fig. 4 embodiment（Exploded view）；
Fig. 6 is used for, for transmitting device of the present invention, the generalized section that pcb board transmits specific embodiment；
Fig. 7 is the section bar section enlarged drawing in Fig. 6；
Fig. 8 is perspective view and its partial enlarged drawing of Fig. 6 embodiment；
Fig. 9 is used for testing the resistance device for measuring force axonometric chart of different titanium pawl structures；
Figure 10 is Fig. 2, the appearance schematic diagram of embodiment illustrated in fig. 4（It is assembled together with chain）.
Reference
10 shaft body 11 upper support portion
12 Lower bearing portions 20 claw hook
30 sleeve 40 needle roller
41 needle bush 42 catch
60 support shaft 61 rolling member
70 sprocket wheel 71 chain
72 chain link 80 section bar
Rectangular channel on 81 gathering sills 811
812 under shed groove 82 low groove
821 times steel bar 83 upper grooves
Steel bar 90 pcb board on 831
51 nut 52 pad
A roller supporting construction
Specific embodiment
In order to more fully understand the technology contents of the present invention, with reference to specific embodiment, technical scheme is entered
One step introduction and explanation, but it is not limited to this.
Embodiment one as shown in Fig. 2 to Fig. 3 A, roller supporting structure of the present invention, including shaft body 10；Shaft body 10
Including the upper support portion 11 playing lateral support effect and Lower bearing portions 12, the periphery of Lower bearing portions 12 is provided with rolling member；Axle is originally
The lower end connection of body 10 has lateral support member（I.e. claw hook 20, in the present embodiment, claw hook is in using supporting surface and conjunction plane up and down
The folding shape structure of two positions）, rolling member therein is the sleeve 30 being sheathed on Lower bearing portions 12 periphery（Two ends are provided with catch,
Do not affected by assembly relation with the activity space ensureing sleeve）.Such shaft body is loaded in the section bar shown in Fig. 7, set
Cylinder 30 acts on the side of under shed groove, is rolling friction, and sleeve 30 is interior between the periphery of sleeve 30 and the steel bar of side
Hole and shaft body are still sliding friction, generally little than the coefficient of friction of existing monolithic construction, about 60%-70% about.
This sliding friction can also be provided with the modes such as grease in contact surface and reduce coefficient of friction further（Method of testing is with reference to Fig. 9
Structural representation）.
Embodiment two as shown in Fig. 4 to Fig. 5 A, is with the difference of above-described embodiment：Rolling member is tied for needle roller
Structure, including several needle rollers 40 located at Lower bearing portions 12 periphery, and the needle bush 41 being sheathed on needle roller 40 periphery；Also include using
Catch 42 in several needle roller 40 two ends of axial restraint（In the present embodiment, the catch 42 of lower end and shaft body are tied for integral type
Structure）.Such structure is rolling friction structure, and its coefficient of friction is about the 15%-20% of existing monolithic construction（Method of testing
Structural representation with reference to Fig. 9）.
In above-mentioned two embodiments, it is two shaft bodies and is fixedly connected with a claw hook, the upper supporting of two shaft bodies
Two center in the holes of a chain link plate are fixed in portion 11（After shaft body passes through centre bore, pass through to set in the upper end of shaft body
Some nuts are fixed）；Concrete structure is as shown in Figure 10, roller supporting construction A（I.e. shaft body and sleeve or needle bush etc.
Parts assembly structure together）Upper end（The i.e. upper end of shaft body）It is through hollow chain 71, by nut 51 and pad
52（Including spring washer and plain cushion）It is fixedly connected with chain 71（The upper end of shaft body is provided with threaded portion）.Lateral support member is located at axle originally
The lower end of body, is for supporting object（Than pcb board 90 as shown in Figure 8）Claw hook 20.Claw hook 20 is coupled with shaft body
Using the mode of being fixedly connected.
As Fig. 6-8 is used for the specific embodiment of pcb board transmission for transmitting device of the present invention, it is included located at 90 liang of pcb board
The section bar 80 of two aluminum alloy materials of side and the sprocket wheel 70 located at section bar 80 two ends, and the chain between two sprocket wheels 70
71, section bar 80 is arranged with two gathering sills 81, and chain 71 passes through two gathering sills 81, in the centre bore of the chain link 72 of chain 71
Be provided with support shaft 60, support shaft 60 can adopt one of above-mentioned two embodiments, that is, using sleeve or adopt needle bush
Roller supporting structure.
Wherein, gathering sill 81 includes the upper rectangular channel 811 for inserting chain 71 and is used for through Lower bearing portions（Namely under
The rolling member 61 of support periphery）Under shed groove 812.The both sides of under shed groove 812 are provided with low groove 82, set in low groove 82
Have for supporting Lower bearing portions（Namely the rolling member 61 of Lower bearing portions periphery）Lower steel bar 821；The both sides of upper rectangular channel 811 set
There is upper groove 83, in upper groove 83, be embedded with the upper steel bar 831 for support chains 71 side.In the present embodiment, preferably fovea superior
Groove 83 is T-slot, and upper steel bar 831 is T-steel bar；Preferably low groove 82 is the arc groove exceeding 180 degree radian, lower steel bar 821
For exceeding the circular arc steel bar of 180 degree radian.
In other embodiments, chain link plate can also adopt needle-type structure, including the chain rivet being provided with centre bore, chain rivet
Periphery is provided with some needle rollers, and the axle sleeve located at some needle roller peripheries, and axle sleeve peripheral action, in upper steel bar, also includes being located at
The needle roller ring for fixing at some needle roller two ends.So so that the surface contacting with upper steel bar is also the axle sleeve that can roll,
Further reduce chain link plate and upper steel bar（Go up the periphery of supporting part）Between resistance so that transversely acting is risen to claw hook
Upper support portion, Lower bearing portions and support（I.e. section bar）It is rolling friction, be greatly enhanced claw hook flat in transmitting procedure
Stability, reduces resistance, reduces the load of power；And then improve the reliability in transmitting procedure for the article such as pcb board, to realize more
High-precision production and processing；Also drastically increase the service life of the parts such as chain.
Such structure can also be adopted further：The periphery of rolling member is more than lower end using cone, upper end；Outside chain rivet
The axle sleeve being provided with week is taper sheath, and lower end is more than upper end, and axle sleeve is identical with the taper of rolling member, and such structure is so that axle
The stress of body evenly, high life, and the installation accuracy of shaft body can be reduced, advantageously reduce production cost.
Wherein, the size of taper, relevant with the lateral length of claw hook, also the distance between Lower bearing portions and upper support portion are relevant.
Transmitting device of the present invention is used in Wave soldering apparatus for our company, through testing, function admirable, in use
Substantially reduce supporting structure（Shaft body）Frictional force and track between, thus also eliminate the jitter phenomenon of track, track
Service life also increase substantially, be allowed to drive system run more stable.Transmitting device of the present invention can be also used for other
Equipment.
In other embodiments, claw hook can also be located at the upper end of shaft body, and structure is similar with each embodiment above-mentioned.
In other embodiments, shaft body can also be integral type structure with the mandrel of chain link plate, is chain link plate knot
A part for structure.
In other embodiments, claw hook can also only with a shaft body（I.e. support shaft）Connection.
In other embodiments or the side of under shed groove is provided with low groove, it is provided with for supporting in low groove
The lower steel bar of Lower bearing portions.
In other embodiments or the side of upper rectangular channel is provided with upper groove, be embedded with upper groove for
The upper steel bar of support chain side.
In other embodiments, the structure that upper groove, upper steel bar, low groove, lower steel bar can also take other form.
In other embodiments, lateral support member can also adopt other structures, such as adopts at supporting surface and conjunction plane
Planar configuration in same position；Or the plate with fixed structure or coupling block.
In other embodiments, claw hook and shaft body can adopt integral structure, and now, the catch of employing only needs to set
In the upper end of needle roller, lower end carries out axial restraint by the body part of claw hook, further optimizes the overall structure of the present invention.
It is also possible to catch is become needle roller frame in other embodiments（I.e. the end of needle roller is provided with stage portion, by stage portion
It is fixed on needle roller frame and be provided with positioning in the hole）, the radial position of each needle roller can be fixed and keep gap, and then reduce each
Rolling between individual needle roller, reduces rotational resistance.
In sum, supporting structure of the present invention adopts the rolling type structure of sleeve or needle bush, in use significantly
Reduce and track（The i.e. side of the under shed groove of section bar）Between frictional force, also eliminate the jitter phenomenon of track, track
Service life also increase substantially, and make the operation of transmitting device more stable.
The above-mentioned technology contents only to be further illustrated the present invention with embodiment, are easier to understand in order to reader, but not
Represent embodiments of the present invention and be only limitted to this, any technology done according to the present invention extends or recreates, all by the present invention's
Protection.Protection scope of the present invention is defined by claims.
Claims (3)
1. transmitting device, it is characterised in that including being arranged with the section bar of two gathering sills, located at the sprocket wheel at section bar two ends, and sets
Chain on two sprocket wheels, chain passes through two described gathering sills, and the link center hole of described chain is provided with support shaft, institute
The support shaft stated is roller supporting structure；Described roller supporting structure includes shaft body, and described shaft body includes playing
The upper support portion of lateral support effect and Lower bearing portions, the periphery of described Lower bearing portions is provided with rolling member；Described shaft body upper
End or lower end connection have lateral support member；Described section bar is aluminium section bar, and described gathering sill is included for inserting chain
Rectangular channel and for through Lower bearing portions under shed groove；The one or both sides of described under shed groove are provided with low groove, low groove
Inside it is provided with the lower steel bar for supporting Lower bearing portions；The one or both sides of upper rectangular channel are provided with upper groove, are embedded with upper groove
Upper steel bar for support chains side；Described upper groove is T-slot, and upper steel bar is T-steel bar；Low groove is more than 180
The arc groove of degree radian, lower steel bar is the circular arc steel bar exceeding 180 degree radian, and it is flat to be provided with the contact contacting with rolling member
Face；The chain link of described chain includes the chain rivet being provided with centre bore, and chain rivet periphery is provided with some needle rollers, and located at some needle rollers
The axle sleeve of periphery, axle sleeve peripheral action, in upper steel bar, also includes the needle roller ring for fixing positioned at some needle roller two ends；Described rolling
Part includes some needle rollers located at Lower bearing portions periphery, and the needle bush being sheathed on needle roller periphery；Also include for axially solid
The catch at fixed some needle roller two ends；Described lateral support member is located at the lower end of shaft body, and is the pawl for supporting object
Hook；Described aluminium section bar be symmetrical structure, and above and below centre be equipped with a T-shaped mounting groove, center is provided with one
Cavity, and it is arranged with four through holes, described through hole is located at the both sides of T-shaped mounting groove respectively.
2. transmitting device according to claim 1 is it is characterised in that described upper support portion is sheathed on the center of chain link plate
In the hole.
3. it is characterised in that the periphery of described rolling member is cone, upper end is more than transmitting device according to claim 2
Lower end；The axle sleeve that chain rivet periphery is provided with is taper sheath, and lower end is more than upper end, and axle sleeve is identical with the taper of rolling member.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081906.0A CN103863861B (en) | 2014-03-06 | 2014-03-06 | Roller supporting structure and transmitting device |
| PCT/CN2014/074372 WO2015131427A1 (en) | 2014-03-06 | 2014-03-31 | Rolling type support structure and transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081906.0A CN103863861B (en) | 2014-03-06 | 2014-03-06 | Roller supporting structure and transmitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103863861A CN103863861A (en) | 2014-06-18 |
| CN103863861B true CN103863861B (en) | 2017-03-01 |
Family
ID=50902978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410081906.0A Active CN103863861B (en) | 2014-03-06 | 2014-03-06 | Roller supporting structure and transmitting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103863861B (en) |
| WO (1) | WO2015131427A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533803A (en) * | 2018-11-08 | 2019-03-29 | 深圳市浩宝技术有限公司 | A kind of pcb board transport device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1217976A (en) * | 1997-09-11 | 1999-06-02 | 株式会社日立制作所 | Simultaneous biaxial strtching apparatus and method |
| CN1628951A (en) * | 2003-12-16 | 2005-06-22 | 株式会社日立制作所 | Sheet-like object spreader |
| CN201115041Y (en) * | 2007-06-28 | 2008-09-10 | 深圳市劲拓自动化设备有限公司 | Transmission device for claw hook printed circuit board |
| CN201848618U (en) * | 2010-09-01 | 2011-06-01 | 东莞市众信电子涂装自动化设备厂(普通合伙) | Full-automatic soldering machine |
| CN102927204A (en) * | 2012-10-25 | 2013-02-13 | 深圳市劲拓自动化设备股份有限公司 | Transmission structure and equipment provided with same |
| CN203833297U (en) * | 2014-03-06 | 2014-09-17 | 深圳市劲拓自动化设备股份有限公司 | Rolling type supporting structure and transmission device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54142156A (en) * | 1978-04-28 | 1979-11-06 | Nippon Dennetsu Keiki Kk | Feeder for printed substrate |
| CN201115007Y (en) * | 2007-07-20 | 2008-09-10 | 日东电子科技(深圳)有限公司 | Wave peak welder transportation link claw |
| JP5218097B2 (en) * | 2009-01-27 | 2013-06-26 | 千住金属工業株式会社 | Automatic soldering device and transfer device |
| CN202411600U (en) * | 2011-12-14 | 2012-09-05 | 日东电子科技(深圳)有限公司 | Elastic chain claw for wave peak soldering machine |
-
2014
- 2014-03-06 CN CN201410081906.0A patent/CN103863861B/en active Active
- 2014-03-31 WO PCT/CN2014/074372 patent/WO2015131427A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1217976A (en) * | 1997-09-11 | 1999-06-02 | 株式会社日立制作所 | Simultaneous biaxial strtching apparatus and method |
| CN1628951A (en) * | 2003-12-16 | 2005-06-22 | 株式会社日立制作所 | Sheet-like object spreader |
| CN201115041Y (en) * | 2007-06-28 | 2008-09-10 | 深圳市劲拓自动化设备有限公司 | Transmission device for claw hook printed circuit board |
| CN201848618U (en) * | 2010-09-01 | 2011-06-01 | 东莞市众信电子涂装自动化设备厂(普通合伙) | Full-automatic soldering machine |
| CN102927204A (en) * | 2012-10-25 | 2013-02-13 | 深圳市劲拓自动化设备股份有限公司 | Transmission structure and equipment provided with same |
| CN203833297U (en) * | 2014-03-06 | 2014-09-17 | 深圳市劲拓自动化设备股份有限公司 | Rolling type supporting structure and transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103863861A (en) | 2014-06-18 |
| WO2015131427A1 (en) | 2015-09-11 |
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