CN210196388U - Cam wheel - Google Patents
Cam wheel Download PDFInfo
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- CN210196388U CN210196388U CN201920950288.7U CN201920950288U CN210196388U CN 210196388 U CN210196388 U CN 210196388U CN 201920950288 U CN201920950288 U CN 201920950288U CN 210196388 U CN210196388 U CN 210196388U
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- 238000012423 maintenance Methods 0.000 abstract description 5
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- 230000033001 locomotion Effects 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 2
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Abstract
The utility model belongs to the technical field of the transmission parts technique and specifically relates to indicate a cam, including first half cam piece and second half cam piece, first half cam piece is connected via retaining member detachably with second half cam piece, first half cam piece includes first half drive division and connects in the first half locking portion of first half drive division, second half cam piece includes second half drive division and connects in the second half locking portion of second half drive division, first half drive division is equipped with first location inclined plane, second half drive division is equipped with second location inclined plane, first half locking portion is equipped with first half locking groove, second half locking portion is equipped with second half locking groove, first half locking groove is equipped with the keyway. The cam is simple in structure, split type in structure, convenient to disassemble, assemble and maintain, small in stress concentration, long in service life and high in precision, and after the first half cam piece or the second half cam piece is abraded, only the abraded first half cam piece or the abraded second half cam piece needs to be replaced correspondingly, so that the cam is energy-saving and environment-friendly, and is low in maintenance cost.
Description
Technical Field
The utility model belongs to the technical field of transmission parts technique and specifically relates to indicate a cam.
Background
The cam mechanism is a high-pair mechanism which drives a driven part to realize a desired motion law through high-pair contact by a component with a curve profile. The mechanism is widely applied to various mechanical structures, particularly to automatic control devices or assembly lines with high automation degree. The cam is the most important component of the cam mechanism, but in the process of cam transmission, the acting force applied to the cam profile is changed, and the situation of local excessive stress inevitably exists, particularly in the junction area of the remote repose angle and the push stroke motion angle, once the cam profile deforms due to stress concentration or is worn due to long-time work, the transmission effect is directly influenced, namely, the driven part cannot complete the motion rule of the expected design. The existing cam mainly has two structural forms, one is an integrally formed cam, and the other is an assembled cam; although the existing integrally-formed cam has a simple structure, the whole cam needs to be replaced once the cam with the structure is deformed or worn, so that resource waste is easily caused, and the maintenance cost is high; the existing assembled cam is inconvenient to assemble and maintain, and the precision of the assembled cam is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a cam, a structure is simple, split type structure, the dismouting is convenient with the maintenance, stress concentration is small, long service life, carry out location fit through first location inclined plane and second location inclined plane, the precision of the cam after the equipment is high, and after first half cam piece or second half cam piece were worn and torn, only need correspond first half cam piece or second half cam piece after changing wearing and tearing, need not change whole cam, reach energy-concerving and environment-protective purpose, the cost of maintaining has been reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cam comprises a first half cam piece and a second half cam piece which is connected with the first half cam piece and is matched with the first half cam piece, wherein the first half cam piece and the second half cam piece are detachably connected through a locking piece, the first half cam piece comprises a first half driving part and a first half locking part connected with the first half driving part, the second half cam piece comprises a second half driving part and a second half locking part connected with the second half driving part, both ends of the first half driving part are provided with first positioning inclined planes, both ends of the second half driving part are provided with second positioning inclined planes in interference fit with the first positioning inclined planes, the first half locking part is provided with a first half locking groove, the second half locking part is provided with a second half locking groove communicated with the first half locking groove, the first half locking groove of the first half locking part is matched with the second half locking groove of the second half locking part to form a locking shaft hole, the inner wall of the first half locking groove is concavely provided with a key groove.
Further, the both ends symmetry of first half locking portion is provided with two locking holes, the both ends symmetry of second half locking portion is provided with two first screw holes, two locking holes respectively with two first screw hole intercommunications, the retaining member is the bolt, the screw thread portion of bolt is behind the locking hole with first screw hole threaded connection, the central axis in locking hole sets up with the central axis in lock shaft hole is perpendicular.
Furthermore, two accommodating holes used for accommodating nuts of the bolts are symmetrically formed in two ends of the first half locking portion, and the two accommodating holes are communicated with the two locking holes respectively.
Further, the middle part of the first half locking part is vertically provided with a fixed shaft hole, and the fixed shaft hole is communicated with the key groove.
Furthermore, both ends of the first half driving portion are provided with a first positioning plane and a second positioning plane, and the first positioning plane and the second positioning plane are respectively connected with both ends of the first positioning inclined plane.
Furthermore, both ends of the second half driving portion are provided with a third positioning plane and a fourth positioning plane, the third positioning plane and the fourth positioning plane are abutted against the first positioning plane and the second positioning plane, and the third positioning plane and the fourth positioning plane are respectively connected with both ends of the second positioning inclined plane.
Furthermore, the two ends of the first half driving part are respectively connected with the two end tangents of the second half driving part, and the outline of the first half driving part is different from the outline of the second half driving part.
Further, the fixed shaft hole is a second threaded hole.
Furthermore, the outline of the first half driving portion is provided with a first driving section dc, an included angle gamma formed by a connecting line from a point c on the first driving section dc to a central point o of the first half driving portion and a connecting line from a point d on the first driving section dc to the central point o of the first half driving portion is 8-15 degrees, the outline of the second half driving portion is provided with a second driving section ba, an included angle β formed by a connecting line from a point a on the second driving section ba to the central point o of the second half driving portion and a connecting line from a point b on the second driving section ba to the central point o of the second half driving portion is 10-20 degrees, and the first driving section dc is positioned at one end, far away from the second driving section ba, of the first half driving portion.
Further, the slope of the first driving segment dc from point c to point d gradually decreases, and the slope of the second driving segment ba from point a to point b gradually decreases.
The utility model has the advantages that: during the equipment, establish first half cam piece and second half cam piece cover respectively outside the pivot, make the pivot hold establish at first half locking groove and second half locking inslot, carry out location fit through first location inclined plane and second location inclined plane, make first half cam piece can mate with second half cam piece is accurate, be convenient for first half cam piece and second half cam piece pair connection, the efficiency of equipment and the stability of equipment have been improved, at last rethread retaining member locks first half cam piece on second half cam piece, make the pivot locked in the lock shaft hole, and in the epaxial key projection of commentaries on classics to the keyway, the stability of pivot locking in the lock shaft hole has been improved. During actual use, the rotating shaft drives the first half cam piece and the second half cam piece to rotate, and the outline of the first half driving portion and the outline of the second half driving portion are abutted against the external part to move circularly according to an expected movement rule. The cam is simple in structure, split type, convenient to disassemble, assemble and maintain, small in stress concentration and long in service life, is in positioning fit with the second positioning inclined plane through the first positioning inclined plane, the assembled cam is high in precision, and after the first half cam piece or the second half cam piece is worn, the whole cam does not need to be replaced by only correspondingly replacing the first half cam piece or the second half cam piece after being worn, so that the purposes of energy conservation and environmental protection are achieved, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the disassembled structure of the present invention after the locking member is hidden.
Fig. 3 is a schematic plan view of the present invention.
Fig. 4 is a schematic diagram of the change of the contour radius and the angle of the first half driving part and the second half driving part according to the present invention.
Description of reference numerals:
1. a first half cam member; 11. a first half driving part; 12. a first half locking portion; 13. a first positioning inclined plane; 14. a first half locking groove; 15. a keyway; 16. a locking hole; 17. accommodating the holes; 18. a fixed shaft hole; 19. a first location plane; 191. a second positioning plane; 2. a second semi-cam member; 21. a second half drive section; 22. a second half locking portion; 23. a second positioning slope; 24. a second half locking groove; 25. a first threaded hole; 26. a third positioning plane; 27. a fourth positioning plane; 3. a lock shaft hole; 4. and a locking member.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1 to 4, the present invention provides a cam, which comprises a first half cam member 1 and a second half cam member 2 connected with the first half cam member 1 and paired with each other, wherein the first half cam member 1 and the second half cam member 2 are detachably connected via a locking member 4, the first half cam member 1 comprises a first half driving portion 11 and a first half locking portion 12 connected with the first half driving portion 11, the second half cam member 2 comprises a second half driving portion 21 and a second half locking portion 22 connected with the second half driving portion 21, both ends of the first half driving portion 11 are provided with first positioning inclined surfaces 13, both ends of the second half driving portion 21 are provided with second positioning inclined surfaces 23 in interference fit with the first positioning inclined surfaces 13, the first half locking portion 12 is provided with a first half locking groove 14, the second half locking portion 22 is provided with a second half locking groove 24 for communicating with the first half locking groove 14, the first half locking groove 14 of the first half locking part 12 is matched with the second half locking groove 24 of the second half locking part 22 to form the locking shaft hole 3, and the key groove 15 is concavely arranged on the inner wall of the first half locking groove 14.
During the equipment, establish first half cam piece 1 and second half cam piece 2 cover respectively outside the pivot, make the pivot hold establish in first half locking groove 14 and second half locking groove 24, carry out location fit through first location inclined plane 13 and second location inclined plane 23, make first half cam piece 1 can mate with second half cam piece 2 is accurate, be convenient for first half cam piece 1 and second half cam piece 2 pair to be connected, the efficiency of equipment and the stability of equipment have been improved, at last rethread retaining member 4 locks first half cam piece 1 on second half cam piece 2, make the pivot locked in lock shaft hole 3, and in the epaxial key of commentaries on classics stretches out to keyway 15, the stability of pivot locking in lock shaft hole 3 has been improved. In practical use, the rotating shaft drives the first half cam piece 1 and the second half cam piece 2 to rotate, and the outline of the first half driving part 11 and the outline of the second half driving part 21 are abutted against the external part to circularly move according to an expected movement rule. The cam is simple in structure, split type structure, convenient to disassemble, assemble and maintain, small in stress concentration and long in service life, and is in positioning fit with the second positioning inclined plane 23 through the first positioning inclined plane 13, the assembled cam is high in precision, and when the first half cam piece 1 or the second half cam piece 2 are worn, the worn first half cam piece 1 or the worn second half cam piece 2 only needs to be replaced correspondingly, the whole cam does not need to be replaced, the cam is easy to maintain, the purposes of energy conservation and environmental protection are achieved, and the maintenance cost is reduced.
In this embodiment, two locking holes 16 are symmetrically arranged at two ends of the first half locking portion 12, two first threaded holes 25 are symmetrically arranged at two ends of the second half locking portion 22, the two locking holes 16 are respectively communicated with the two first threaded holes 25, the locking member 4 is two bolts, the threaded portion of each bolt is in threaded connection with the first threaded hole 25 via the locking hole 16, and the central axis of the locking hole 16 is perpendicular to the central axis of the lock shaft hole 3. The first half cam piece 1 and the second half cam piece 2 are detachably connected through the threaded connection of the bolts and the first threaded holes 25, the disassembly and the assembly are convenient, and the connection is stable; in addition, the first half cam piece 1 and the second half cam piece 2 are locked through two bolts, so that the first half cam piece 1 and the second half cam piece 2 are stressed uniformly, and the stability of the first half cam piece 1 and the second half cam piece 2 in locking the rotating shaft is ensured.
In this embodiment, two ends of the first half-locking portion 12 are further symmetrically provided with two accommodating holes 17 for accommodating nuts of bolts, and the two accommodating holes 17 are respectively communicated with the two locking holes 16; the nut of the bolt is accommodated in the accommodating hole 17, so that the bolt and the first half-locking part 12 are compact in structure and attractive in appearance, and the bolt is prevented from being easily collided or interfered with an external structure due to the fact that the nut of the bolt protrudes.
In this embodiment, a fixing shaft hole 18 is vertically formed in the middle of the first half-locking portion 12, and the fixing shaft hole 18 communicates with the key groove 15. After the cam is assembled with the rotating shaft, the positioning pin is inserted into the positioning shaft hole 18, so that the positioning pin is abutted against the rotating shaft or inserted into the positioning hole of the rotating shaft, the position precision and the stability of the rotating shaft are ensured, and the cam and the rotating shaft are ensured to synchronously rotate. Specifically, the fixed shaft hole 18 is a second threaded hole, and is in threaded connection with the second threaded hole through a screw or a bolt, so that the screw or the bolt is screwed into the fixed shaft hole 18 and abuts against the rotating shaft or enters the positioning hole of the rotating shaft, and the dismounting is facilitated.
In this embodiment, both ends of the first half driving portion 11 are provided with a first positioning plane 19 and a second positioning plane 191, the first positioning plane 19 and the second positioning plane 191 are respectively connected with both ends of the first positioning inclined plane 13, both ends of the second half driving portion 21 are provided with a third positioning plane 26 abutting against the first positioning plane 19 and a fourth positioning plane 27 abutting against the second positioning plane 191, and the third positioning plane 26 and the fourth positioning plane 27 are respectively connected with both ends of the second positioning inclined plane 23. When the first half cam piece 1 and the second half cam piece 2 are assembled, the first positioning inclined plane 13 is in positioning fit with the second positioning inclined plane 23, the first positioning plane 19 is in positioning fit with the third positioning plane 26, and the second positioning plane 191 is in positioning fit with the fourth positioning plane 27, so that the assembling is convenient, the assembling efficiency is high, and the precision of the assembled cam is further improved.
In this embodiment, two ends of the first half driving portion 11 are respectively connected to two tangent lines of the second half driving portion 21, and the outline of the first half driving portion 11 is different from the outline of the second half driving portion 21.
In the present embodiment, as shown in fig. 3 and 4, the contour of the first half-driving portion 11 is provided with a first driving segment dc, an included angle γ formed by a connecting line from a point c on the first driving segment dc to a center point o of the first half-driving portion 11 to a connecting line from a point d on the first driving segment dc to a center point o of the first half-driving portion 11 is 8 ° to 15 °, the contour of the second half-driving portion 21 is provided with a second driving segment ba, a connecting line from a point a on the second driving segment ba to a center point o of the second half-driving portion 21 to a connecting line from a point b on the second driving segment ba to a center point o of the second half-driving portion 21 is 10 ° to 20 °, the first driving segment dc is located at an end of the first half-driving portion 11 remote from the second driving segment ba, the contour of the first driving segment dc is the same as the contour of the second driving segment ba, specifically, when the connecting line from the point d on the first driving segment ba to the first half-driving portion 11 and the center point o of the X axis is gradually increased to the driving point b on the second half-driving portion 21, the driving portion b is a driving portion R, the driving portion R2, the driving portion c is equal to the driving portion R5 mm, the driving portion R2, the driving portion c is equal to the driving portion R2, the driving portion b, the driving portion R2, the driving portion c is equal to the driving portion, the driving portion b, the driving portion R5 mm driving portion b is equal to the driving portion b, the driving portion R5 mm, the driving portion b is equal to the driving portion b, the driving portion R2, the driving portion R5 mm, the driving portion b is equal to the driving portion b, the driving portion b is equal to the driving portion R5 mm, the driving portion R5 mm, the driving portion is equal to the driving portion R5 mm, the driving portion, the driving.
As shown in fig. 4, in particular, a plurality of first driving points are disposed on the first driving segment dc, and a plurality of second driving points are disposed on the second driving segment ba, so as to drive the external component to circularly move according to a desired movement law.
Specifically, included angle γ is 8 ° and included angle β is 15 °.
All the technical features in the embodiment can be freely combined according to actual needs.
The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.
Claims (10)
1. A cam, characterized by: the half cam piece and the half cam piece are detachably connected through a locking piece, the half cam piece comprises a half first driving part and a half first locking part connected to the half first driving part, the half second cam piece comprises a half second driving part and a half second locking part connected to the half second driving part, two ends of the half first driving part are respectively provided with a first positioning inclined plane, two ends of the half second driving part are respectively provided with a second positioning inclined plane in interference fit with the first positioning inclined plane, the half first locking part is provided with a half first locking groove, the half second locking part is provided with a half second locking groove communicated with the half first locking groove, the half first locking groove of the half first locking part is matched with the half second locking groove of the half second locking part to form a locking shaft hole, the inner wall of the first half locking groove is concavely provided with a key groove.
2. A cam according to claim 1, wherein: the both ends symmetry of first half locking portion is provided with two locking holes, the both ends symmetry of second half locking portion is provided with two first screw holes, two locking holes respectively with two first screw hole intercommunications, the retaining member is the bolt, the screw thread portion of bolt via behind the locking hole with first screw hole threaded connection, the central axis in locking hole sets up with the central axis in lock shaft hole is perpendicular.
3. A cam according to claim 2, wherein: two accommodating holes for accommodating nuts of the bolts are symmetrically formed in two ends of the first half locking portion, and the two accommodating holes are communicated with the two locking holes respectively.
4. A cam according to claim 1, wherein: the middle part of the first half locking part is vertically provided with a fixed shaft hole which is communicated with the key groove.
5. A cam according to claim 1, wherein: the two ends of the first half driving part are provided with a first positioning plane and a second positioning plane which are respectively connected with the two ends of the first positioning inclined plane.
6. A cam according to claim 5, wherein: the both ends of half drive division of second all are provided with the third locating plane of contradicting with first locating plane and the fourth locating plane of contradicting with second locating plane, third locating plane and fourth locating plane are connected with the both ends on second location inclined plane respectively.
7. A cam according to claim 1, wherein: the both ends of first half drive division are connected with the both ends tangent line of second half drive division respectively, and the profile of first half drive division is inequality with the profile of second half drive division.
8. A cam according to claim 4, wherein: the fixed shaft hole is a second threaded hole.
9. The cam according to claim 1 is characterized in that the first half driving portion is provided with a first driving section dc, a connecting line from a point c on the first driving section dc to a center point o of the first half driving portion forms an included angle γ of 8 ° to 15 ° with a connecting line from a point d on the first driving section dc to the center point o of the first half driving portion, the second half driving portion is provided with a second driving section ba, a connecting line from a point a on the second driving section ba to the center point o of the second half driving portion forms an included angle β of 10 ° to 20 ° with a connecting line from a point b on the second driving section ba to the center point o of the second half driving portion, and the first driving section dc is positioned at one end of the first half driving portion far away from the second driving section ba.
10. A cam according to claim 9, wherein: the slope of the first driving segment dc from point c to point d gradually decreases, and the slope of the second driving segment ba from point a to point b gradually decreases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950288.7U CN210196388U (en) | 2019-06-21 | 2019-06-21 | Cam wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950288.7U CN210196388U (en) | 2019-06-21 | 2019-06-21 | Cam wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210196388U true CN210196388U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920950288.7U Active CN210196388U (en) | 2019-06-21 | 2019-06-21 | Cam wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210196388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185767A (en) * | 2019-06-21 | 2019-08-30 | 广东岩田智慧机电有限公司 | A kind of cam |
-
2019
- 2019-06-21 CN CN201920950288.7U patent/CN210196388U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185767A (en) * | 2019-06-21 | 2019-08-30 | 广东岩田智慧机电有限公司 | A kind of cam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240402 Address after: 529000 buildings 1 and 5, No.16 Bao'an Road, Tangxia Town, Pengjiang district, Jiangmen City, Guangdong Province Patentee after: Nuobei electromechanical equipment (Jiangmen) Co.,Ltd. Country or region after: China Address before: 523000, 2nd Floor, Building B, No. 6 Kunming Road, Yaole Village, Liaobu Town, Dongguan City, Guangdong Province Patentee before: Guangdong Yantian Intelligent Mechanical and Electrical Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |