CN203833297U - Rolling type supporting structure and transmission device - Google Patents
Rolling type supporting structure and transmission device Download PDFInfo
- Publication number
- CN203833297U CN203833297U CN201420101036.4U CN201420101036U CN203833297U CN 203833297 U CN203833297 U CN 203833297U CN 201420101036 U CN201420101036 U CN 201420101036U CN 203833297 U CN203833297 U CN 203833297U
- Authority
- CN
- China
- Prior art keywords
- groove
- support portion
- supporting structure
- steel bar
- periphery
- 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 - Lifetime
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 title abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 210000000078 claw Anatomy 0.000 claims description 17
- 241001343274 Dichrostachys spicata Species 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
Abstract
The utility model discloses a rolling type supporting structure and a transmission device. The rolling type supporting structure comprises a shaft body. The shaft body comprises an upper supporting part and a lower supporting part, wherein the upper supporting part and the lower supporting part have the transverse supporting function. The periphery of the lower supporting part is provided with a rolling part, and the upper end or the lower end of the shaft body is connected with a transverse supporting part. A rolling structure of a sleeve or a needle sleeve is adopted in the supporting structure, in the using process of the rolling type supporting structure, friction force between the rolling type supporting structure and rails is greatly reduced, the shaking phenomenon of the rails is eliminated, the service life of the rails is greatly prolonged, and operation of the transmission device is more stable.
Description
Technical field
The utility model relates to the supporting structure in a kind of chain type transmission, more particularly refers 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 integral type titanium pawl (comprise claw hook and for the fixing axle body of claw hook), concrete structure is as shown in Fig. 1 to Figure 1A, top and the chain link plate of axle body are fixed, bottom contacts at the side of support, owing to being one-piece construction, with the side of support be a kind of hard friction mode, use friction force very large, make it to transport motor running painstaking, thereby produce shake, and the service life of conveying track shorten, easy to wear.
Therefore, be necessary to develop friction force little, long service life, nonabradable supporting structure, to reduce vibration, improves the precision of chain type transmitting device.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, and a kind of roller supporting structure and transmitting device are provided.
For achieving the above object, the utility model is by the following technical solutions:
Roller supporting structure, comprises axle body; Described axle body comprises upper support portion and the lower support portion of playing lateral support effect, and the periphery of described lower support portion is provided with rolling member; Upper end or the lower end of described axle body are connected with lateral support member.
Its further technical scheme is: described rolling member is the sleeve that is sheathed on lower support portion periphery.
Its further technical scheme is: described rolling member comprises several needle rollers of being located at lower support portion periphery, and is sheathed on the needle bush of needle roller periphery; Also comprise the catch for several needle roller two ends of axial restraint.
Its further technical scheme is: described upper support portion is sheathed in the centre hole of chain link plate.
Its further technical scheme is: described lateral support member is located at the lower end of axle body, and is for supporting the claw hook of object.
Transmitting device, comprises the section bar that is arranged with two guide grooves, is located at the sprocket wheel at section bar two ends, and be located at two chains on sprocket wheel, chain is through two described guide grooves, and the link center hole of described chain is provided with bolster, and described bolster is aforesaid roller supporting structure.
Its further technical scheme is: described guide groove comprises for inserting the upper rectangular channel of chain and for through the under shed groove of lower support portion.
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 low groove, are provided with for supporting the lower steel bar of lower support portion in low groove; The one or both sides of upper rectangular channel are provided with upper groove, are embedded with the upper steel bar for support chains side in upper groove.
Its further technical scheme is: described upper groove is T-shaped groove, and upper steel bar is T-steel bar; Low groove is for surpassing the arc groove of 180 degree radians, and lower steel bar is for surpassing the circular arc steel bar of 180 degree radians; Described chain link plate comprises the chain rivet that is provided with centre hole, and chain rivet periphery is provided with some needle rollers, and is located at the axle sleeve of some needle roller peripheries, and axle sleeve peripheral action, in upper steel bar, also comprises the needle roller mounting ring that is positioned at some needle roller two ends.
Its further technical scheme is: the periphery of described rolling member is for conical, and upper end is greater than lower end; The axle sleeve that chain rivet periphery is provided with is taper sheath, and lower end is greater than upper end, and axle sleeve is identical with the tapering of rolling member.
The utility model beneficial effect is compared with prior art: the utility model supporting structure adopts the rolling type structure of sleeve or needle bush, in use greatly reduced and track (being the side of the under shed groove of section bar) between friction force, also eliminated the jitter phenomenon of track, also increase substantially the service life of track, and the operation of transmitting device is stablized more.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of integral type titanium pawl of the prior art;
Figure 1A is the structural principle schematic diagram (section-drawing) of the axle body of integral type titanium pawl in Fig. 1;
Fig. 2 is the three-dimensional exploded view (roller type) of the utility model roller supporting structure specific embodiment;
Fig. 2 A is the assembly drowing (not shown catch) of Fig. 2;
Fig. 3 is the structural principle schematic diagram (section-drawing) of the axle body in Fig. 2 embodiment;
Fig. 3 A is the structural principle schematic diagram (exploded drawings) of the axle body in Fig. 2 embodiment;
Fig. 4 is the three-dimensional exploded view (needle-type) of the utility model roller supporting structure specific embodiment;
Fig. 4 A is the assembly drowing of Fig. 4;
Fig. 5 is the structural principle schematic diagram (section-drawing) of the axle body in Fig. 4 embodiment;
Fig. 5 A is the structural principle schematic diagram (exploded drawings) of the axle body in Fig. 4 embodiment;
Fig. 6 is that the utility model transmitting device is for the generalized section of pcb board transmission specific embodiment;
Fig. 7 is the section bar cross section part enlarged drawing in Fig. 6;
Fig. 8 is perspective view and the partial enlarged drawing thereof of Fig. 6 embodiment;
Fig. 9 is for testing the resistance device for measuring force block diagram of different titanium pawl structures;
Figure 10 is Fig. 2, profile schematic diagram (being assembled together with chain) embodiment illustrated in fig. 4.
Reference numeral
10 axle body 11 upper support portions
12 lower support portion 20 claw hooks
30 sleeve 40 needle rollers
41 needle bush 42 catch
60 bolster 61 rolling members
70 sprocket wheel 71 chains
72 chain link 80 section bars
Rectangular channel on 81 guide grooves 811
812 under shed groove 82 low grooves
821 times steel bar 83 upper grooves
Steel bar 90 pcb boards on 831
51 nut 52 pads
A roller supporting construction
The specific embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment, the technical solution of the utility model is further introduced and explanation, but be not limited to this.
Embodiment mono-as shown in Fig. 2 to Fig. 3 A, the utility model roller supporting structure, comprises axle body 10; Axle body 10 comprises upper support portion 11 and the lower support portion 12 of playing lateral support effect, and the periphery of lower support portion 12 is provided with rolling member; It (is claw hook 20 that the lower end of axle body 10 is connected with lateral support member, in the present embodiment, claw hook adopts bearing surface and the folding shape structure of conjunction plane in upper and lower two positions), rolling member is wherein that the sleeve 30(two ends that are sheathed on lower support portion 12 peripheries are provided with catch, to guarantee that the activity space of sleeve is not subject to the impact of assembly relation).Such axle body is loaded in the section bar shown in Fig. 7, sleeve 30 acts on the side of under shed groove, between the periphery of sleeve 30 and the steel bar of side, it is friction of rolling, and the endoporus of sleeve 30 and axle body are still cliding friction, less than the friction coefficient of existing one-piece construction generally, be about 60%-70% left and right.This cliding friction can also be provided with at contact surface the modes such as grease and further reduce friction coefficient (test method is with reference to the structural representation of figure 9).
Embodiment bis-as shown in Fig. 4 to Fig. 5 A, is with the difference of above-described embodiment: rolling member is needle roller structure, comprises several needle rollers 40 of being located at lower support portion 12 peripheries, and is sheathed on the needle bush 41 of needle roller 40 peripheries; Also comprise the catch 42(the present embodiment for several needle roller 40 two ends of axial restraint, catch 42 and the axle body of lower end are integral type structure).Such structure is rolling friction structure, and its friction coefficient is about the 15%-20%(test method of existing one-piece construction with reference to the structural representation of figure 9).
In above-mentioned two embodiment, be two axle bodies and a claw hook is fixedly connected, two centre holes interior (axle body, through after centre hole, is fixed by the nut being provided with in the upper end of axle body) of a chain link plate are fixed in the upper support portion 11 of two axle bodies; Concrete structure as shown in figure 10, the structure that roller supporting construction A(is axle body together with the Assembly of the parts such as sleeve or needle bush) upper end (being the upper end of axle body) is through hollow chain 71, by nut 51 and pad 52(, comprises bullet pad and plain cushion) with chain 71 be fixedly connected (upper end of axle body is provided with threaded portion).Lateral support member is located at the lower end of axle body, for for supporting the claw hook 20 of object (than pcb board 90 as shown in Figure 8).Claw hook 20 adopts with connecting of axle body the mode that is fixedly connected.
If Fig. 6-8 are the specific embodiment of the utility model transmitting device for pcb board transmission, it comprises the section bar 80 of two aluminum alloy materials being located at pcb board 90 both sides and is located at the sprocket wheel 70 at section bar 80 two ends, and be located at two chains 71 between sprocket wheel 70, section bar 80 is arranged with two guide grooves 81, chain 71 is through two guide grooves 81, centre hole at the chain link 72 of chain 71 is provided with bolster 60, bolster 60 can adopt a kind of in above-mentioned two embodiment, adopts roller supporting structure sleeve or that adopt needle bush.
Wherein, guide groove 81 comprises for inserting the upper rectangular channel 811 of chain 71 and for through the under shed groove 812 of lower support portion (being also the rolling member 61 of lower support portion periphery).The both sides of under shed groove 812 are provided with low groove 82, are provided with for supporting the lower steel bar 821 of lower support portion (being also the rolling member 61 of lower support portion periphery) in low groove 82; The both sides of upper rectangular channel 811 are provided with upper groove 83, are embedded with the upper steel bar 831 for support chains 71 sides in upper groove 83.In the present embodiment, preferably upper groove 83 is T-shaped groove, and upper steel bar 831 is T-steel bar; Preferably low groove 82 is for surpassing the arc groove of 180 degree radians, and lower steel bar 821 is for surpassing the circular arc steel bar of 180 degree radians.
In other embodiment, chain link plate also can adopt needle-type structure, comprises the chain rivet that is provided with centre hole, chain rivet periphery is provided with some needle rollers, and be located at the axle sleeve of some needle roller peripheries, axle sleeve peripheral action, in upper steel bar, also comprises the needle roller mounting ring that is positioned at some needle roller two ends.Like this can be so that the surface contacting with upper steel bar be also the axle sleeve that can roll, further reduced the resistance between chain link plate and upper steel bar (being the periphery of upper support portion), make upper support portion, lower support portion and the support (being section bar) that claw hook are played to horizontal effect be friction of rolling, greatly improve the stationarity of claw hook in transmitting procedure, reduce resistance, reduce the load of power; And then improved the reliability of the article such as pcb board in transmitting procedure, to realize more high-precision production and processing; Also greatly improved the service life of the parts such as chain.
Can also further adopt such structure: the periphery of rolling member adopts conical, and upper end is greater than lower end; The axle sleeve that chain rivet periphery is provided with is taper sheath, and lower end is greater than upper end, and axle sleeve is identical with the tapering of rolling member, such structure can be so that axle body stressed more even, high life, and can reduce the setting accuracy of axle body, be conducive to reduce production costs.Wherein, the size of tapering, relevant with the lateral length of claw hook, the also distance dependent between lower support portion and upper support portion.
Our company is used for Wave soldering apparatus by the utility model transmitting device, through test, function admirable, in use greatly reduced the friction force between supporting structure (axle body) and track, thereby also eliminated the jitter phenomenon of track, also increase substantially the service life of track, makes it driving system operation more stable.The utility model transmitting device can also be for miscellaneous equipment.
In other embodiment, claw hook also can be located at the upper end of axle body, and structure and above-mentioned each embodiment are similar.
In other embodiment, axle body can be also integral type structure with the mandrel of chain link plate, is a part for chain link plate structure.
In other embodiment, a claw hook also can only connect with an axle body (being bolster).
In other embodiment, can be also that a side of under shed groove is provided with low groove, in low groove, be provided with for supporting the lower steel bar of lower support portion.
In other embodiment, can be also that a side of upper rectangular channel is provided with upper groove, in upper groove, be embedded with the upper steel bar for support chains side.
In other embodiment, upper groove, upper steel bar, low groove, lower steel bar also can adopt the structure of other form.
In other embodiment, lateral support member also can adopt other structure, such as adopting bearing surface and the plane formula structure of conjunction plane in same position; Or plate or coupling block with fixed sturcture.
In other embodiment, claw hook and axle body can adopt integral structure, and now, the catch of employing only need to be located at the upper end of needle roller, and axial restraint is carried out by the body part of claw hook in lower end, has optimized further integral structure of the present utility model.
In other embodiment, also catch can be become to needle roller frame (end that is needle roller is provided with stage portion, stage portion is fixed on to needle roller frame and is provided with in knock hole), can fix the radial position of each needle roller and keep gap, and then reduce the rolling between each needle roller, reduce rotational resistance.
In sum, the utility model supporting structure adopts the rolling type structure of sleeve or needle bush, in use greatly reduced and track (being the side of the under shed groove of section bar) between friction force, also eliminated the jitter phenomenon of track, also increase substantially the service life of track, and the operation of transmitting device is stablized more.
Above-mentionedly only with embodiment, further illustrate technology contents of the present utility model; so that reader is easier to understand; but do not represent that embodiment of the present utility model only limits to this, any technology of doing according to the utility model is extended or recreation, is all subject to protection of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. roller supporting structure, comprises axle body; It is characterized in that described axle body comprises upper support portion and the lower support portion of playing lateral support effect, the periphery of described lower support portion is provided with rolling member; Upper end or the lower end of described axle body are connected with lateral support member.
2. roller supporting structure according to claim 1, is characterized in that described rolling member is the sleeve that is sheathed on lower support portion periphery.
3. roller supporting structure according to claim 1, is characterized in that described rolling member comprises several needle rollers of being located at lower support portion periphery, and is sheathed on the needle bush of needle roller periphery; Also comprise the catch for several needle roller two ends of axial restraint.
4. according to the roller supporting structure described in claim 2 or 3, it is characterized in that described upper support portion is sheathed in the centre hole of chain link plate.
5. roller supporting structure according to claim 1, is characterized in that described lateral support member is located at the lower end of axle body, and for for supporting the claw hook of object.
6. transmitting device, it is characterized in that comprising the section bar that is arranged with two guide grooves, be located at the sprocket wheel at section bar two ends, and be located at two chains on sprocket wheel, chain is through two described guide grooves, the link center hole of described chain is provided with bolster, and described bolster is roller supporting structure claimed in claim 1.
7. transmitting device according to claim 6, is characterized in that described guide groove comprises for inserting the upper rectangular channel of chain and for the under shed groove through lower support portion.
8. transmitting device according to claim 6, is characterized in that described section bar is aluminium section bar; The one or both sides of described under shed groove are provided with low groove, are provided with for supporting the lower steel bar of lower support portion in low groove; The one or both sides of upper rectangular channel are provided with upper groove, are embedded with the upper steel bar for support chains side in upper groove.
9. transmitting device according to claim 6, is characterized in that described upper groove is T-shaped groove, and upper steel bar is T-steel bar; Low groove is for surpassing the arc groove of 180 degree radians, and lower steel bar is for surpassing the circular arc steel bar of 180 degree radians; Described chain link plate comprises the chain rivet that is provided with centre hole, and chain rivet periphery is provided with some needle rollers, and is located at the axle sleeve of some needle roller peripheries, and axle sleeve peripheral action, in upper steel bar, also comprises the needle roller mounting ring that is positioned at some needle roller two ends.
10. transmitting device according to claim 6, is characterized in that the periphery of described rolling member is for conical, and upper end is greater than lower end; The axle sleeve that chain rivet periphery is provided with is taper sheath, and lower end is greater than upper end, and axle sleeve is identical with the tapering of rolling member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101036.4U CN203833297U (en) | 2014-03-06 | 2014-03-06 | Rolling type supporting structure and transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101036.4U CN203833297U (en) | 2014-03-06 | 2014-03-06 | Rolling type supporting structure and transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203833297U true CN203833297U (en) | 2014-09-17 |
Family
ID=51511168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420101036.4U Expired - Lifetime CN203833297U (en) | 2014-03-06 | 2014-03-06 | Rolling type supporting structure and transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203833297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863861A (en) * | 2014-03-06 | 2014-06-18 | 深圳市劲拓自动化设备股份有限公司 | Rolling type bearing structure and transmission device |
| 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 |
-
2014
- 2014-03-06 CN CN201420101036.4U patent/CN203833297U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863861A (en) * | 2014-03-06 | 2014-06-18 | 深圳市劲拓自动化设备股份有限公司 | Rolling type bearing structure and transmission device |
| CN103863861B (en) * | 2014-03-06 | 2017-03-01 | 深圳市劲拓自动化设备股份有限公司 | Roller supporting structure and transmitting device |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |