CN203162054U - Circular-arc-shaped rack and circular-arc tooth forming device thereof - Google Patents
Circular-arc-shaped rack and circular-arc tooth forming device thereof Download PDFInfo
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- CN203162054U CN203162054U CN 201320038675 CN201320038675U CN203162054U CN 203162054 U CN203162054 U CN 203162054U CN 201320038675 CN201320038675 CN 201320038675 CN 201320038675 U CN201320038675 U CN 201320038675U CN 203162054 U CN203162054 U CN 203162054U
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- arc
- muller
- arc tooth
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Abstract
The utility model relates to a rack and a machining device of the rack, in particular to a circular-arc-shaped rack which is simple in structure, convenient to machine and quick to install and a circular-arc tooth forming device which is matched with the circular-arc-shaped rack. The circular-arc-shaped rack comprises a circular-arc tooth (1) and a base (2), wherein the base (2) is a hollow steel tube, and the cross section of the base (2) is rectangular. The circular-arc tooth (1) is of a corrugated plate shape, the inner diameter of a wave peak (101) of the circular-arc tooth (1) is smaller than the inner diameter of a wave trough (102), and the thickness of the circular-arc tooth (1) is not smaller than the inner diameter of the wave peak (101) and not larger than the inner diameter of the wave trough (102). The circular-arc tooth (1) is fixed on one side of the base (2) through the bottom of the wave trough (2), and a cavity is formed between the inner side of the wave peak (101) and the base (2). The circular-arc tooth forming device comprises a driving grinding wheel (4), a driven grinding wheel (5), the wave peak (101) and the wave trough (102). The driving grinding wheel (4) and the driven grinding wheel (5) are gears which are mutually meshed, and the wave peak (101) and the wave trough (102) are used for grinding circular-arc tooth (1) to make the circular-arc tooth (1) be formed after the driving runner wheel (4) and the driven runner wheel (5) are meshed.
Description
Technical field
The utility model relates to a kind of tooth bar and process equipment thereof, is specially a kind of arc-shaped rack and circle-arc tooth forming unit thereof.
Background technique
Tooth bar is to have a series of flat board or straight-bars that equidistantly distribute tooth.General tooth bar is divided into spur rack and diagonal-cut rack, uses with straight toothed spur gear and helical gear pairing respectively; The flank profil of general tooth bar is straight line and non-involute, and being equivalent to reference radius is infinitely great cylindrical gears.But for extraordinary tooth bar, its flute profile is according to special requirement is arranged, the process equipment of general tooth bar such as gear hobbing process equipment, Gear Shaping equipment, line cutting processing equipment etc., all can not well realize the formation of its flute profile, in time can reach usage requirement, it all can produce tooth bar itself and damage greatly and the waste huge to material production, and the base part of existing tooth bar all adopts solid material, weight is big, the cost height.
Circular arc flute profile tooth bar is exactly a kind of special type tooth bar, mainly is to be used in wind-power tower lift drive part, in the production of reality, because its total length is longer, and need to connect step by step, therefore require its weight lighter, easy for installation, stable performance, therefore impact briquetting is generally adopted in difficult processing.But, under the punching press of power, when steel plate wants crooked, the steel plate two ends begin to shrink inwards, because steel plate and grinding tool generation frictional force cause steel plate fully not extend, racks processed is middle because the meeting attenuation that stretches under hot die processing, so tooth bar uneven distribution that processes, and under cold-punching mould processing, ductility that might material does not reach, thereby can cause rupturing in the middle of the material, quality to tooth bar exerts an adverse impact, and because punching press can not be worked continuously fast, and the punching press meeting of rear side causes distortion to stamping forming flute profile, so complex manufacturing, processing difficulties is assembled loaded down with trivial details.
The model utility content
The purpose of this utility model is at above-described problems of the prior art, and arc-shaped rack a kind of simple in structure, easy to process, quick for installation is provided, and the circle-arc tooth forming unit that matches with it.
The utility model arc-shaped rack comprises circle-arc tooth 1 and substrate 2, it is characterized in that, described substrate 2 is the hollow steel pipe that cross section is rectangle; It is tabular that described circle-arc tooth 1 is wave, and the internal diameter of its crest 101 is less than trough 102 internal diameters, and thickness is not less than crest 101 internal diameters and is not more than trough 102 internal diameters; Circle-arc tooth 1 is fixed on substrate 2 one sides by trough 102 bottoms, forms cavity between crest 101 inboards and the substrate 2.
Further, crest 101 internal diameters of described circle-arc tooth 1 are 3-5mm, and trough 102 internal diameters are 9-11mm, and thickness is 5-7mm.
Further, described substrate 2 one end internal sleeve are provided with female joint 3; Female joint 3 is the hollow rectangle steel pipe that a side offers groove, and the both sides adjacent with groove are symmetrically arranged with interconnecting hole 301 respectively; The corresponding interconnecting hole 301 in substrate 2 two ends is provided with outer attachment hole 201; Some substrates 2 can be bolted to connection interconnecting hole 301 and outer attachment hole 201 extends to two ends successively.
Further, on the both sides adjacent with circle-arc tooth 1 stationary plane, described substrate 2 middle parts, be symmetrically arranged with fixed hole 202.
The utility model circle-arc tooth forming unit is characterized in that, comprises initiatively muller 4 and driven muller 5, and initiatively muller 4 and driven muller 5 are pitch wheel; Initiatively the engagement of the bottom land of the tooth top of muller 4 and driven muller 5 is used for the trough 102 of roller-compaction circle-arc tooth 1, and initiatively the engagement of the bottom land of the bottom land of muller 4 and driven muller 5 is used for the crest 101 of roller-compaction circle-arc tooth 1.
Further, the number of teeth of described active muller 4 and driven muller 5 is respectively 10, and modulus is 3, and contact ratio is 3.25.
Further, described active muller 4 and driven muller 5 central authorities arrange the floral axis 6 that is connected with for transferring power and support rotation respectively.
The utility model contrast problems of the prior art have following beneficial effect.
1) by adopting being assembled of circle-arc tooth 1 and substrate 2, reduced the difficulty of processing of arc-shaped rack greatly, and utilize cross section to do substrate 2 for the hollow firm pipe of rectangle, alleviated the weight of arc-shaped rack greatly, combined cover is located at the female joint 3 at substrate 2 two ends again, utilize fixing continuous lengthening and the expansion that can realize arc-shaped rack of bolt, install simple, easy to use.
2) the circle-arc tooth forming unit that utilizes active muller 4 and driven muller 5 to form, steel plate is carried out the processing modification of circle-arc tooth, make it stressed evenly, and improved the precision of moulding greatly, can realize continuous production, the processing of circle-arc tooth 1 can not influence the circle-arc tooth 1 of moulding, and is safe and reliable, stability and high efficiency.
3) original drop stamping or cold stamping shaped circle-arc tooth 1 forming technique have been changed, change into by active muller 4 and driven muller 5 roller-compactions, fixing with substrate 2 by welding again, changed core procedure in the processing technology, thereby improved the efficient of whole processing greatly, and improved the structural behaviour of circle-arc tooth 1, prolonged working life, reduced cost of processing.
Description of drawings
Fig. 1 is the perspective view of the arc-shaped rack described in the utility model example.
Fig. 2 is the front view of the utility model Fig. 1.
Fig. 3 looks enlarged view for the left side of the utility model Fig. 2.
Fig. 4 is the plan view of the utility model Fig. 1.
Fig. 5 is the structure enlarged view at A place among the utility model Fig. 1.
Fig. 6 is the structural representation of the circle-arc tooth forming unit described in the utility model example.
Among the figure: circle-arc tooth 1, substrate 2, crest 101, trough 102, female joint 3, interconnecting hole 301, outer attachment hole 201, fixed hole 202, active muller 4, driven muller 5, floral axis 6.
Embodiment
Below in conjunction with mode of execution the utility model is further described and describes.
The arc-shaped rack that the utility model provides comprises circle-arc tooth 1 and substrate 2, and as shown in figures 1 and 3, substrate 2 is the hollow steel pipe that cross section is rectangle; As depicted in figs. 1 and 2, it is tabular that circle-arc tooth 1 is wave, and as shown in Figure 5, the internal diameter of the crest 101 of circle-arc tooth 1 is less than trough 102 internal diameters, and thickness is not less than crest 101 internal diameters and is not more than trough 102 internal diameters; As Fig. 1, Fig. 2 and shown in Figure 5, circle-arc tooth 1 is fixed on substrate 2 one sides by trough 102 bottoms, forms cavity between crest 101 inboards and the substrate 2.Because substrate 2 is hollow rectangular steel pipe, therefore need not special processing, can directly utilize existing product, only need circle-arc tooth 1 and the substrate 2 fixing moulding that then can finish tooth bar, reduce the weight of tooth bar greatly, simplified the structure of tooth bar, reduced production cost.
Wherein, crest 101 internal diameters of circle-arc tooth 1 are 3-5mm, and trough 102 internal diameters are 9-11mm, and thickness is 5-7mm; Can random combination in number range and above-mentioned qualifications, wherein preferred combination is respectively first group: strength 3mm in the crest, trough internal diameter 9mm, thickness 5mm; Second group: strength 4mm in the crest, trough internal diameter 10mm, thickness 6mm; The 3rd group: strength 5mm in the crest, trough internal diameter 11mm, thickness 7mm.
Wherein, as Fig. 1, Fig. 2 and Fig. 4, shown in, substrate 2 one end internal sleeve are provided with female joint 3; Female joint 3 is the hollow rectangle steel pipe that a side offers groove, and the both sides adjacent with groove are symmetrically arranged with interconnecting hole 301 respectively; The setting of groove can guarantee the fit that female joint 3 and substrate 2 are good, convenient its cross section is adjusted; The corresponding interconnecting hole 301 in substrate 2 two ends is provided with outer attachment hole 201; Some substrates 2 can be bolted to connection interconnecting hole 301 and outer attachment hole 201 extends to two ends successively.Because female joint 3 is set in the substrate 2, so substrate 2 connects and extends the back has only connection in the joint slit, guaranteed conformity, continuity and the integrity of tooth bar.
Wherein, as Fig. 1, Fig. 2 and shown in Figure 5, on the both sides adjacent with circle-arc tooth 1 stationary plane, substrate 2 middle parts, be symmetrically arranged with fixed hole 202; Can be used in fixing between tooth bar and the attachment, make tooth bar that the back is installed and guarantee its stability.
The circle-arc tooth forming unit that the utility model provides, as shown in Figure 6, it comprises initiatively muller 4 and driven muller 5, initiatively muller 4 and driven muller 5 are pitch wheel; Initiatively the engagement of the bottom land of the tooth top of muller 4 and driven muller 5 is used for the trough 102 of roller-compaction circle-arc tooth 1, and initiatively the engagement of the bottom land of the bottom land of muller 4 and driven muller 5 is used for the crest 101 of roller-compaction circle-arc tooth 1.Drive the rotation of driven muller 5 by the rotation of active muller 4, the steel plate roller-compaction that will be positioned at simultaneously between the two is circle-arc tooth, and sends from the other end, once-through, stressed evenly, machining accuracy height, stable molding.
Wherein, initiatively the number of teeth of muller 4 and driven muller 5 is respectively 10, and modulus is 3, and contact ratio is 3.25, and steel plate is stressed even between assurance active muller 4 that can be fabulous and the driven muller 5, the quality that assurance rolls and the structural behaviour of circle-arc tooth 1.
Wherein, initiatively muller 4 and driven muller 5 central authorities arrange the floral axis 6 that is connected with for transferring power and support rotation respectively, because required power is bigger, and need to guarantee sense of rotation always that it is even that the setting of floral axis 6 can guarantee that all even active forces of transmission apply.
Enumerating of above embodiment's explanation and preferred embodiment; it is not the restriction to protection domain in the utility model; that makes in the protection domain of claim of the present utility model does not have a creationary simple change, is included within the protection domain of the present utility model.
Claims (7)
1. arc-shaped rack comprises circle-arc tooth (1) and substrate (2), it is characterized in that described substrate (2) is the hollow steel pipe that cross section is rectangle; It is tabular that described circle-arc tooth (1) is wave, and the internal diameter of its crest (101) is less than trough (102) internal diameter, and thickness is not less than crest (101) internal diameter and is not more than trough (102) internal diameter; Circle-arc tooth (1) is fixed on substrate (2) one sides by trough (102) bottom, forms cavity between crest (101) inboard and the substrate (2).
2. arc-shaped rack as claimed in claim 1 is characterized in that, crest (101) internal diameter of described circle-arc tooth (1) is 3-5mm, and trough (102) internal diameter is 9-11mm, and thickness is 5-7mm.
3. arc-shaped rack as claimed in claim 1 or 2 is characterized in that, described substrate (2) one end internal sleeve are provided with female joint (3); Female joint (3) is the hollow rectangle steel pipe that a side offers groove, and the both sides adjacent with groove are symmetrically arranged with interconnecting hole (301) respectively; The corresponding interconnecting holes in substrate (2) two ends (301) are provided with outer attachment hole (201); Some substrates (2) can be bolted to connection interconnecting hole (301) and outer attachment hole (201) extends to two ends successively.
4. arc-shaped rack as claimed in claim 1 or 2 is characterized in that, on the both sides adjacent with circle-arc tooth (1) stationary plane, described substrate (2) middle part, is symmetrically arranged with fixed hole (202).
5. be used for processing as the circle-arc tooth forming unit of any described arc-shaped rack of claim 1-4, it is characterized in that, comprise initiatively muller (4) and driven muller (5), initiatively muller (4) and driven muller (5) are pitch wheel; Initiatively the engagement of the bottom land of the tooth top of muller (4) and driven muller (5) is used for the trough (102) of roller-compaction circle-arc tooth (1), and initiatively the engagement of the bottom land of the bottom land of muller (4) and driven muller (5) is used for the crest (101) of roller-compaction circle-arc tooth (1).
6. circle-arc tooth forming unit as claimed in claim 5 is characterized in that, the number of teeth of described active muller (4) and driven muller (5) is respectively 10, and modulus is 3, and contact ratio is 3.25.
7. as claim 5 or 6 described circle-arc tooth forming units, it is characterized in that described active muller (4) and driven muller (5) central authorities arrange the floral axis (6) that is connected with for transferring power and support rotation respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320038675 CN203162054U (en) | 2013-01-24 | 2013-01-24 | Circular-arc-shaped rack and circular-arc tooth forming device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320038675 CN203162054U (en) | 2013-01-24 | 2013-01-24 | Circular-arc-shaped rack and circular-arc tooth forming device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162054U true CN203162054U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320038675 Expired - Fee Related CN203162054U (en) | 2013-01-24 | 2013-01-24 | Circular-arc-shaped rack and circular-arc tooth forming device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203162054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104676A (en) * | 2013-01-24 | 2013-05-15 | 甘肃建投装备制造有限公司 | Arc-shaped rack and machining technology of the arc-shaped rack and arc tooth forming device |
| CN105202154A (en) * | 2014-06-19 | 2015-12-30 | 王仁方 | Anti-abrasion rack |
-
2013
- 2013-01-24 CN CN 201320038675 patent/CN203162054U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104676A (en) * | 2013-01-24 | 2013-05-15 | 甘肃建投装备制造有限公司 | Arc-shaped rack and machining technology of the arc-shaped rack and arc tooth forming device |
| CN103104676B (en) * | 2013-01-24 | 2016-03-23 | 甘肃建投装备制造有限公司 | Arc-shaped rack and processing technology thereof and circle-arc tooth forming unit |
| CN105202154A (en) * | 2014-06-19 | 2015-12-30 | 王仁方 | Anti-abrasion rack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20190124 |