CN110815080A

CN110815080A - Bevel gear eccentric positioning device

Info

Publication number: CN110815080A
Application number: CN201911134480.XA
Authority: CN
Inventors: 张金; 张虎
Original assignee: NANJING GONGDA CNC TECHNOLOGY Co Ltd
Current assignee: NANJING GONGDA CNC TECHNOLOGY Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-02-21
Anticipated expiration: 2039-11-19
Also published as: CN110815080B

Abstract

The invention relates to the technical field of bevel gear eccentric positioning, in particular to a bevel gear eccentric positioning device. The sliding device comprises a fixing clamp, a positioning plate is connected to the top of the fixing clamp in a sliding mode, an adjusting mechanism used for adjusting the position of the positioning plate is installed at one end of the fixing clamp, a sliding groove is formed in the side wall of the top of the fixing clamp, a sliding column in sliding connection with the sliding groove is arranged at the bottom of the positioning plate, and the sliding column and the positioning plate are fixed through a connecting rod. Among this bevel gear eccentric positioning device, the traveller fixes a position in the spout and slides, realize that the locating plate slides at the mounting fixture top location, position through adjusting the locating plate, be convenient for fix bevel gear and the regulation of position, pinion rack through gear engagement drives the backing plate and removes, so that according to the requirement of bevel gear location, change the length of backing plate, the commonality is strong, only need know the data of eccentric distance, can calculate the distance between backing plate and the bevel gear, the adjusting pad position of being convenient for, accomplish bevel gear's eccentric positioning fast.

Description

Bevel gear eccentric positioning device

Technical Field

The invention relates to the technical field of bevel gear eccentric positioning, in particular to a bevel gear eccentric positioning device.

Background

In a transmission mechanism, an eccentric workpiece or an eccentric part such as a crankshaft is generally used to complete the function of mutual conversion between rotary motion and reciprocating motion, so that the eccentric part is widely applied to mechanical transmission. The eccentric workpiece is usually machined by arranging a gasket on a jaw pad of the three-jaw chuck, but the thickness of the gasket is fixed, so that the use of different workpieces cannot be met, and the universality is poor.

Disclosure of Invention

The present invention is directed to an eccentric positioning device for bevel gears, which solves the above problems.

In order to achieve the purpose, the invention provides a bevel gear eccentric positioning device which comprises a fixed clamp, wherein a positioning plate is connected to the top of the fixed clamp in a sliding mode, an adjusting mechanism used for adjusting the position of the positioning plate is installed at one end of the fixed clamp, a sliding groove is formed in the side wall of the top of the fixed clamp, a sliding column in sliding connection with the sliding groove is arranged at the bottom of the positioning plate, the sliding column and the positioning plate are fixed through a connecting rod, the adjusting mechanism comprises a screw rod, an installation plate is installed at one end of the screw rod, one side of the installation plate is rotatably connected with the screw rod through a first bearing, at least two clamping rings are installed at the other side of the installation plate, the clamping rings and the sliding column are clamped and fixed, a threaded opening in threaded connection with.

Preferably, the fixing clip is "concave" shaped.

Preferably, the bottom of the fixing clamp is provided with a fastener, the fastener comprises a screw rod in threaded connection with the bottom of the fixing clamp, a shell arranged at the bottom of the screw rod and a handheld rod arranged on the outer wall of the shell, the bottom of the screw rod is coaxially provided with a transmission shaft, a transmission belt is connected between the two transmission shafts in a transmission manner, the center of the transmission belt is in transmission connection with a driving shaft, the inner wall of the shell is provided with a pair of second bearings, the transmission shaft and the second bearings are in rotary connection, the center of the inner wall of the shell is provided with a rotary hole, the circle center of the rotary hole and the circle center of the driving shaft are positioned on the same horizontal straight line, the top of the handheld rod is provided with a connecting plate, the top of one side of the connecting plate is provided with a fixed shaft, the fixed, and the top of the screw rod nut is provided with an ejector rod.

Preferably, the inner wall of the sliding groove is provided with a limiting groove, and the clamping ring is in sliding connection with the limiting groove.

Preferably, the other end of the screw is provided with a rotary handle.

As preferred, the inside of locating plate is hollow structure, the inside of locating plate is provided with the backing plate, the one end of locating plate is provided with the export groove that is used for the backing plate roll-off, the regulation mouth that is linked together rather than inside is seted up to the inside of locating plate, it is connected with the erection column to rotate in the regulation mouth, the gear is installed to the bottom of erection column, the backing plate is close to gear one end and installs the pinion rack with gear engagement.

Preferably, the top of the mounting column is provided with an adjusting handle.

Preferably, the method for positioning the eccentric positioning device of the bevel gear comprises the following steps:

s1, mounting the three fixing clamps on the workbench in a circular array at the center of the workbench;

s2, placing the bevel gear at the center of the workbench, and abutting the positioning plates of two fixing clamps to the outer wall of the bevel gear to complete the fixing of the bevel gear;

s3, adjusting a base plate inside the positioning plate of the other fixing clamp, pushing the bevel gear to move on the workbench through the base plate, and when the bevel gear moves, synchronously moving the positioning plates of the other two fixing clamps to enable the axes of different parts of the bevel gear to generate certain distances to meet the requirement of eccentricity.

Preferably, the distance between the shim plate and the bevel gear is set to x, the eccentricity is set to e,

then:

wherein D is the diameter of the workpiece at the clamping position, and the distance between the backing plate and the bevel gear can be calculated by the formula (1.1).

Compared with the prior art, the invention has the beneficial effects that:

1. in the bevel gear eccentric positioning device, the sliding column is positioned and slides in the sliding groove, the positioning plate is positioned and slides at the top of the fixing clamp, and the bevel gear is conveniently fixed and adjusted in position by adjusting the position of the positioning plate.

2. In this bevel gear eccentric positioning device, drive gear through rotatory installation post and rotate, the pinion rack through gear engagement drives the backing plate and removes to in the requirement according to the bevel gear location, change the length of backing plate, the commonality is strong.

3. In the bevel gear eccentric positioning device, the distance between the base plate and the bevel gear can be calculated only by knowing the data of the eccentric distance, so that the position of the base plate can be conveniently adjusted, and the eccentric positioning of the bevel gear can be rapidly completed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a positioning plate according to the present invention;

FIG. 3 is a schematic view of a fixing clamp according to the present invention;

FIG. 4 is a schematic view of the adjusting mechanism of the present invention;

FIG. 5 is a second schematic view of the fixing clamp of the present invention;

FIG. 6 is an exploded view of the retainer plate structure of the present invention;

FIG. 7 is a schematic diagram of the eccentric positioning operation of the present invention;

FIG. 8 is an exploded view of the fastener construction of the present invention;

fig. 9 is a schematic view of the internal structure of the housing of the present invention.

The various reference numbers in the figures mean:

1. fixing the clamp; 11. a chute; 12. a limiting groove; 13. a fastener; 14. a threaded opening;

131. a screw rod; 1311. a drive shaft; 1312. a transmission belt; 1313. a drive shaft;

132. a housing; 1321. a second bearing; 1322. hole turning;

133. a hand-held wand; 1331. a connecting plate; 1332. a fixed shaft;

134. a feed screw nut; 1341. a top rod;

2. positioning a plate; 21. a traveler; 22. a connecting rod; 23. an outlet tank; 24. a base plate; 25. a toothed plate; 26. an adjustment port; 27. mounting a column; 28. a gear; 29. an adjusting handle;

3. an adjustment mechanism; 31. a screw; 32. mounting a plate; 33. a first bearing; 34. a clamping ring; 35. and (5) screwing a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-9, the present invention provides a technical solution:

the invention provides a bevel gear eccentric positioning device, which comprises a fixed clamp 1, wherein the top of the fixed clamp 1 is slidably connected with a positioning plate 2, one end of the fixed clamp 1 is provided with an adjusting mechanism 3 for adjusting the position of the positioning plate 2, the side wall of the top of the fixed clamp 1 is provided with a sliding groove 11, the bottom of the positioning plate 2 is provided with a sliding column 21 slidably connected with the sliding groove 11, the sliding column 21 and the positioning plate 2 are fixed through a connecting rod 22, preferably, the connecting rod 22 is fixed on the sliding column 21 and the positioning plate 2 in a welding mode so as to facilitate the fixation of the sliding column 21 and the positioning plate 2, the sliding column 21 can be positioned and slid in the sliding groove 11 conveniently through the fact that the length of the sliding column 21 is equal to the width of the sliding groove 11, the positioning plate 2 can be positioned and slid at the top of the fixed.

Further, the adjusting mechanism 3 includes a screw 31, a mounting plate 32 is mounted at one end of the screw 31, and one side of the mounting plate 32 is rotatably connected with the screw 31 through a first bearing 33, so that the mounting plate 32 is kept immovable when the screw 31 rotates.

Specifically, two clamping rings 34 are installed on the other side of the installation plate 32 at least, the clamping rings 34 are clamped and fixed with the sliding column 21, and the sliding column 21 is installed on one side of the installation plate 32 through the clamping rings 34, so that the installation plate 32 can move to drive the sliding column 21 to move.

In addition, the outer wall of the fixing clamp 1 is provided with a threaded opening 14 in threaded connection with the screw 31, the threaded opening 14 is communicated with the chute 11, the screw 31 rotates in the threaded opening 14, so that the screw 31 is screwed into or out of the chute 11 from the threaded opening 14, meanwhile, the screw 31 moves to drive the mounting plate 32 to move, the sliding column 21 moves in the chute 11, and the position of the positioning plate 2 is adjusted.

Besides, the fixing clamp 1 is concave, meanwhile, a fastening piece 13 is installed at the bottom of the fixing clamp 1, the fastening piece 13 comprises a screw rod 131 in threaded connection with the bottom of the fixing clamp 1, a housing 132 installed at the bottom of the screw rod 131 and a hand-held rod 133 installed on the outer wall of the housing 132, a transmission shaft 1311 is coaxially installed at the bottom of the screw rod 131, so that the screw rod 131 and the transmission shaft 1311 can rotate coaxially, a transmission belt 1312 is in transmission connection between the two transmission shafts 1311, the two transmission shafts 1311 are driven to rotate synchronously by the rotation of the transmission belt 1312, a driving shaft 1313 is in transmission connection with the central position of the transmission belt, the transmission belt 1312 can be driven to rotate by the rotation of the driving shaft 1313, a pair of second bearings 1321 are installed on the inner wall of the housing 132, the transmission shaft 1311 and the second bearings 1321 are in, the circle center of the rotary hole 1322 and the circle center of the driving shaft 1313 are located on the same horizontal straight line, a connecting plate 1331 is installed at the top of the handheld rod 133, a fixing shaft 1332 is installed at the top of one side of the connecting plate 1331, the fixing shaft 1332 penetrates through the rotary hole 1322 and is coaxially arranged with the driving shaft 1313, a screw rod nut 134 is connected to the outer wall of the screw rod 131 in a threaded mode, a push rod 1341 is installed at the top of the screw rod nut 134, the screw rod nut 134 is driven to move in a translation mode along the direction of the screw rod 131 through rotation of the screw rod 131, the push rod 1341 is driven to be pushed into the fixing clamp 1 from the bottom of the fixing clamp 1, the fixing clamp 1 is convenient to clamp and fix on a workbench, it is worth explaining that the inside of the push rod 1341 is of a hollow structure, the.

Still further, the inner wall of the sliding chute 11 is provided with a limiting groove 12, the clamping ring 34 is connected with the limiting groove 12 in a sliding manner, and when the sliding column 21 slides in the sliding chute 11, the clamping ring 34 slides along the limiting groove 12, so that the sliding column 21 can slide in the sliding chute 11 in a positioning manner.

It should be noted that the other end of the screw rod 31 is provided with a rotary handle 35, the diameter of the rotary handle 35 is larger than that of the screw rod 31, and meanwhile, the rotary handle 35 and the screw rod 31 are welded and fixed, so that the screw rod 31 can be adjusted to rotate by holding the rotary handle 35 by hand.

In order to facilitate the position adjustment of the backing plate 24, the invention improves the positioning plate 2, the inner part of the positioning plate 2 is of a hollow structure, the backing plate 24 is arranged in the positioning plate 2, and the height of the backing plate 24 is equal to the height of the space in the positioning plate 2, so that the backing plate 24 can slide stably in the positioning plate 2.

Furthermore, one end of the positioning plate 2 is provided with an outlet groove 23 for sliding out the backing plate 24, and the cross-sectional dimension of the outlet groove is matched with that of the backing plate 24, so that the backing plate 24 can slide in the outlet groove 23 conveniently.

It is worth to say that, the inside of locating plate 2 is seted up rather than inside regulation mouth 26 that is linked together, regulation mouth 26 internal rotation is connected with erection column 27, gear 28 is installed to the bottom of erection column 27, drive gear 28 through rotatory erection column 27 and rotate, gear 28 is located locating plate 2 inside simultaneously, backing plate 24 is close to gear 28 one end and installs the pinion rack 25 with gear 28 meshing, when gear 28 rotates, pinion rack 25 through gear 28 meshing drives backing plate 24 and removes, so that according to the requirement of bevel gear location, change the length of backing plate 24.

In addition, the top of the mounting column 27 is provided with an adjusting handle 29, the diameter of the adjusting handle 29 is larger than that of the mounting column 27, and meanwhile, the adjusting handle 29 and the mounting column 27 are fixedly welded, so that the mounting column 27 can be adjusted to rotate by holding the adjusting handle 29 by hand.

Specifically, the positioning method of the bevel gear eccentric positioning device comprises the following steps:

s1, mounting the three fixing clamps 1 on the workbench in a circular array at the center of the workbench;

s2, placing the bevel gear at the center of the workbench, and abutting the positioning plates 2 of the two fixing clamps 1 to the outer wall of the bevel gear to complete the fixing of the bevel gear;

s3, adjusting the backing plate 24 inside the positioning plate 2 of the other fixing clamp 1, pushing the bevel gear to move on the workbench through the backing plate 24, and when the bevel gear moves, synchronously moving the positioning plates 2 of the other two fixing clamps 1 to enable the axes of different parts of the bevel gear to generate certain distances to meet the requirement of eccentricity.

It is worth noting that, as shown in fig. 7, the distance between the backing plate 24 and the bevel gear is set to x, the eccentricity is set to e,

then:

wherein D is the workpiece diameter of the clamped portion, and the distance between the backing plate 24 and the bevel gear can be calculated by the formula (1.1).

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bevel gear eccentric positioning device, includes mounting fixture (1), its characterized in that: the top sliding connection of mounting fixture (1) has locating plate (2), adjustment mechanism (3) that are used for adjusting locating plate (2) position are installed to the one end of mounting fixture (1), spout (11) have been seted up to mounting fixture (1) top lateral wall, the bottom of locating plate (2) is provided with traveller (21) with spout (11) sliding connection, it is fixed through connecting rod (22) between traveller (21) and locating plate (2), adjustment mechanism (3) include screw rod (31), mounting panel (32) are installed to the one end of screw rod (31), mounting panel (32) one side is rotated with screw rod (31) through first bearing (33) and is connected, two clamp rings (34) are installed at least to mounting panel (32) opposite side, clamp ring (34) and traveller (21) joint are fixed, the screw thread mouth (14) with screw rod (31) threaded connection are seted up to mounting fixture (1) outer wall, the threaded opening (14) is communicated with the sliding groove (11).

2. The bevel gear eccentric positioning device according to claim 1, characterized in that: the fixing clamp (1) is concave.

3. The bevel gear eccentric positioning device according to claim 1, characterized in that: the bottom of the fixed clamp (1) is provided with a fastener (13), the fastener (13) comprises a screw rod (131) in threaded connection with the bottom of the fixed clamp (1), a shell (132) arranged at the bottom of the screw rod (131) and a handheld rod (133) arranged on the outer wall of the shell (132), the bottom of the screw rod (131) is coaxially provided with a transmission shaft (1311), a transmission belt (1312) is connected between the transmission shafts (1311), the center position of the transmission belt (1312) is in transmission connection with a driving shaft (1313), the inner wall of the shell (132) is provided with a pair of second bearings (1321), the transmission shaft (1311) is rotatably connected with the second bearings (1321), the center position of the inner wall of the shell (132) is provided with a rotary hole (1322), and the circle center of the rotary hole (1322) and the circle center of the driving shaft (1313) are positioned on the same horizontal straight, the top of handheld pole (133) is installed connecting plate (1331), fixed axle (1332) is installed at connecting plate (1331) one side top, fixed axle (1332) passes and changes hole (1322) and driving shaft (1313) coaxial arrangement, the outer wall threaded connection of lead screw (131) has screw-nut (134), ejector pin (1341) is installed at the top of screw-nut (134).

4. The bevel gear eccentric positioning device according to claim 1, characterized in that: the inner wall of the sliding groove (11) is provided with a limiting groove (12), and the clamping ring (34) is connected with the limiting groove (12) in a sliding mode.

5. The bevel gear eccentric positioning device according to claim 1, characterized in that: and the other end of the screw rod (31) is provided with a rotary handle (35).

6. The bevel gear eccentric positioning device according to claim 1, characterized in that: the inside of locating plate (2) is hollow structure, the inside of locating plate (2) is provided with backing plate (24), the one end of locating plate (2) is provided with export groove (23) that are used for backing plate (24) roll-off, regulation mouth (26) that are linked together rather than inside are seted up to the inside of locating plate (2), regulation mouth (26) internal rotation is connected with erection column (27), gear (28) are installed to the bottom of erection column (27), backing plate (24) are close to gear (28) one end and install pinion rack (25) with gear (28) meshing.

7. The bevel gear eccentric positioning device according to claim 6, characterized in that: and an adjusting handle (29) is installed at the top of the mounting column (27).

8. The bevel gear eccentric positioning device according to any of claims 1 to 7, wherein the positioning method comprises the steps of:

s1, mounting the three fixing clamps (1) on the workbench in a workbench center annular array;

s2, placing the bevel gear at the center of the circle of the workbench, and abutting the positioning plates (2) of two fixing clamps (1) to the outer wall of the bevel gear to complete the fixing of the bevel gear;

s3, adjusting a base plate (24) in the positioning plate (2) of the other fixing clamp (1), pushing the bevel gear to move on the workbench through the base plate (24), and when the bevel gear moves, synchronously moving the positioning plates (2) of the other two fixing clamps (1) to enable the axes of different parts of the bevel gear to generate certain distances to meet the requirement of eccentricity.

9. The bevel gear eccentric positioning device according to claim 8, characterized in that: the distance between the backing plate (24) and the bevel gear is set as x, the eccentricity is set as e,

then:

wherein D is the diameter of the workpiece at the clamping position, and the distance between the backing plate (24) and the bevel gear can be calculated by the formula (1.1).