CN215334258U - Cam rotating linear motion device - Google Patents
Cam rotating linear motion device Download PDFInfo
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- CN215334258U CN215334258U CN202022308224.2U CN202022308224U CN215334258U CN 215334258 U CN215334258 U CN 215334258U CN 202022308224 U CN202022308224 U CN 202022308224U CN 215334258 U CN215334258 U CN 215334258U
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Abstract
The utility model discloses a cam rotating linear motion device which comprises a rack and two linear guide rails fixed on the rack, wherein two ends of each linear guide rail are respectively connected with a linear slide rail, each linear guide rail is connected with a fixed mounting plate, a supporting bearing is connected below each fixed mounting plate, a cam mounting plate is connected below each supporting bearing, each supporting bearing comprises an inner ring, a roller and an outer ring gear, each fixed mounting plate is connected with the inner ring, each cam mounting plate is connected with the outer ring gear, a motor is fixedly arranged on one side of each fixed mounting plate, a cylindrical gear is sleeved on an output shaft of each motor, the cylindrical gear is meshed with the outer ring gear, each linear slide rail is slidably connected with a guide wheel sleeve assembly, each guide wheel sleeve assembly penetrates through and is movably connected with a cam guide groove piece, and each cam mounting plate is connected with one end of each cam guide groove piece and drives each guide wheel shaft assembly to slide back and forth on the linear slide rail. The utility model can achieve four-axis synchronous linear motion through rotation, and has the effects of flexible connection of all parts in the motion process, high transmission efficiency and low noise.
Description
Technical Field
The utility model relates to a linear motion device, in particular to a cam rotating linear motion device.
Background
Heretofore, in prior art mechanisms, the synchronous linear motion of a plurality of cams has served to fulfill the requirements of many mechanisms, such as driving four cams simultaneously to synchronously move linearly.
The existing cam synchronous linear mechanism has the defects of inflexible connection of all parts, low transmission efficiency, high noise, error in movement distance and the like.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior cam synchronous linear mechanism, the utility model provides a cam rotary linear motion device, which can achieve the effects of flexible connection of each part, high transmission efficiency and low noise.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a cam rotating linear motion device comprises a rack and two linear guide rails fixed on the rack, wherein two ends of each linear guide rail are respectively and fixedly connected with a linear slide rail, each linear guide rail is fixedly connected with a fixed mounting plate, a supporting bearing is connected below the fixed mounting plate, a cam mounting plate is connected below the supporting bearing, the supporting bearing comprises an inner ring, a roller and an outer ring gear, the fixed mounting plate is fixedly connected with the inner ring, the cam mounting plate is fixedly connected with the outer ring gear, one side of the fixed mounting plate is fixedly provided with a motor, an output shaft of the motor is sleeved with a cylindrical gear, the cylindrical gear is meshed with the outer ring gear, the linear slide rails are slidably connected with guide wheel sleeve assemblies, and the guide wheel shaft sleeve assemblies are provided with cam guide groove pieces in a penetrating and movable connection mode, the cam mounting plate is connected with one end of the cam guide groove piece and drives the guide pulley shaft assembly to slide back and forth on the linear slide rail.
According to an aspect of the present invention, the cam guide member is provided with a cam guide having a circular arc shape in the middle, the cam guide includes a middle section guide and semicircular grooves integrally connected to both ends of the middle section guide, the diameter of the semicircular grooves is equal to the width of the guide, the centers of the semicircular grooves at the ends of the cam guide near/far to the cam mounting plate are located on the same circumferential line, and the center of the circumferential line is the center of rotation of the cam mounting plate.
According to one aspect of the utility model, the cam mounting plate is rectangular, four cam guide groove members are fixedly connected to four sides of the cam mounting plate respectively, the edge of each side of the cam mounting plate is provided with a notch, the cam guide groove members are fixed to the edges of the notches, and the notches are overlapped with the cam guide grooves.
In accordance with one aspect of the present invention, the cam slot member is divided into a first cam slot member and a second cam slot member, the first cam slot member being spaced apart from the second cam slot member on an edge of the cam mounting plate.
According to one aspect of the utility model, the cam guide member is secured to the cam mounting plate by at least three bolts, the bolts being distributed in a tree-like pattern on the cam guide member.
According to one aspect of the utility model, two linear guide rails are arranged in parallel, and two ends of the fixed mounting plate are respectively fixed on the two linear guide rails.
According to one aspect of the utility model, the linear slide rails are fixed on the linear guide rails in parallel, and two linear slide rails on the same linear guide rail are arranged on two sides of the fixed mounting plate.
According to one aspect of the utility model, the guide wheel sleeve assembly comprises a lower guide wheel sleeve and a linear guide groove connected with the guide wheel sleeve, and the linear guide groove is arranged on the linear sliding rail in a sliding mode.
The implementation of the utility model has the advantages that: the cam rotating linear motion device comprises a rack and two linear guide rails fixed on the rack, two ends of each linear guide rail are respectively fixedly connected with linear slide rails, the linear guide rails are fixedly connected with a fixed mounting plate, a supporting bearing is connected and arranged below the fixed mounting plate, a cam mounting plate is connected and arranged below the supporting bearing, the supporting bearing comprises an inner ring, a roller and an outer ring gear, the fixed mounting plate is fixedly connected with the inner ring, the cam mounting plate is fixedly connected with the outer ring gear, a motor is fixedly arranged on one side of the fixed mounting plate, a cylindrical gear is sleeved on an output shaft of the motor, the cylindrical gear is meshed with the outer ring gear, a guide wheel sleeve assembly is slidably arranged on each linear slide rail, the guide wheel sleeve assembly is provided with a cam guide groove piece in a penetrating and movably connected mode, and the cam mounting plate is connected with one end of the cam guide groove piece and drives the guide wheel shaft assembly to slide back and forth on each linear slide rail. Through the technical scheme, the four-axis synchronous linear motion effect can be achieved through rotation, and the effects of flexible connection of all parts, high transmission efficiency and low noise in the motion process can be achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of a cam rotary linear motion device according to the present invention;
FIG. 2 is a top view of a cam rotational linear motion device according to the present invention;
FIG. 3 is a bottom view of a cam rotary linear motion device according to the present invention;
fig. 4 is a schematic structural view of the cam slot member according to the present invention.
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.
As shown in fig. 1, 2, 3 and 4, the cam rotating linear motion device comprises a frame 1 and two linear guide rails 2 fixed on the frame 1, two ends of each linear guide rail 2 are respectively and fixedly connected with a linear slide rail 8, the linear guide rails 2 are fixedly connected with a fixed mounting plate 3, a support bearing 4 is connected below the fixed mounting plate 3, a cam mounting plate 5 is connected below the support bearing 4, the support bearing 4 comprises an inner ring, a roller and an outer ring gear, the fixed mounting plate 3 is fixedly connected with the inner ring, the cam mounting plate 5 is fixedly connected with the outer ring gear, a motor 7 is fixedly arranged on one side of the fixed mounting plate 3, an output shaft of the motor 7 is sleeved with a cylindrical gear, and the cylindrical gear is meshed with the outer ring gear, the linear slide rail 8 is connected with a guide wheel sleeve assembly in a sliding mode, the guide wheel shaft sleeve assembly penetrates through and is movably connected with a cam guide groove part 6, and the cam mounting plate 5 is connected with one end of the cam guide groove part 6 and drives the guide wheel shaft assembly to slide back and forth on the linear slide rail 8. Through the technical scheme, the four-axis synchronous linear motion effect can be achieved through rotation, and the effects of flexible connection of all parts, high transmission efficiency and low noise in the motion process can be achieved.
In this embodiment, be equipped with convex cam guide slot in the middle of the cam guide slot spare 6, the cam guide slot includes interlude guide slot 11 and an organic whole and is in the half slot 12 at interlude guide slot 11 both ends, the diameter of half slot 12 with the width of guide slot equals, the centre of a circle of the half slot 12 of cam guide slot nearly/far cam mounting panel 5 one end is located same circumference, the centre of a circle of circumference is the center of rotation of cam mounting panel 5.
In this embodiment, the cam mounting panel 5 is rectangle, four the cam guide slot part 6 is fixed connection respectively four edges of cam mounting panel 5, the edge on every limit of cam mounting panel 5 is equipped with a breach, cam guide slot part 6 is fixed the breach edge, breach and part the cam guide slot overlaps the setting.
In this embodiment, the cam slot member 6 is divided into a first cam slot member 6 and a second cam slot member 6, and the first cam slot member 6 and the second cam slot member are disposed on the edge of the cam mounting plate 5 at an interval.
In this embodiment, the cam guide member 6 is fixed to the cam mounting plate 5 by at least three bolts, which are distributed in a tree shape on the cam guide member 6. The purpose of this is to prevent the cam channel member 6 from twisting and shifting during use.
In this embodiment, two linear guide 2 parallel arrangement, the both ends of fixed mounting panel 3 are fixed respectively two on linear guide 2.
In this embodiment, the linear sliding rails 8 are fixed on the linear guide 2 in parallel, and the same two linear sliding rails 8 on the linear guide 2 are disposed on two sides of the fixed mounting plate 3.
In this embodiment, four cam guide groove parts 6 are installed respectively four sides of cam mounting panel 5, four cam guide groove parts 6 are located respectively the one end on every limit of cam mounting panel 5 just bends to the other end, and wherein, the cam guide groove part 6 of two diagonal angles is the same with the installation angle of cam mounting panel 5, and wherein, the cam guide groove part 6 and the cam mounting panel 5 of a diagonal angle are installed perpendicularly, and the cam guide groove part 6 and the cam mounting panel 5 of another diagonal angle are the acute angle installation.
In this embodiment, the guide wheel sleeve assembly includes a lower guide wheel sleeve 10 and a linear guide groove 9 connected to the guide wheel sleeve 10, and the linear guide groove 9 is slidably disposed on the linear slide rail 8, so as to drive a cam mounted below the guide wheel sleeve assembly to move back and forth along the linear slide rail 8.
In this embodiment, the cam guide is always intersected with the linear guideway 8, so as to ensure that the cam guide 6 drives the guide wheel sleeve assembly to move linearly along the linear guideway 8.
In practical use, the guide wheel shaft assembly can be connected with a part to be driven as required, for example, a cam is connected below the guide wheel sleeve 10, so that synchronous linear motion of four cams is realized; a power part can be connected to the linear guide groove 9 according to requirements, for example, a second motor is connected to the linear guide groove 9, so that the guide wheel sleeve 10 can rotate while the four shafts synchronously move linearly, specifically, the linear guide groove 9 makes linear motion along the linear slide rail 8, and the guide wheel shaft 10 below the linear guide groove 9 rotates under the driving of the motor 7; also according to actual need, two guide pulley cover subassemblies pass through a second motor drive, and two guide pulley cover subassemblies are connected through the belt.
The working principle is as follows: when the motor 7 is started, the cylindrical gear on the output shaft of the motor 7 is driven to rotate clockwise, the cylindrical gear drives the outer ring gear of the supporting bearing 4 to rotate anticlockwise, the outer ring gear drives the cam mounting plate 5 to rotate anticlockwise, the cam mounting plate 5 drives the four cam guide groove parts 6 to rotate anticlockwise, when the four cam guide groove parts 6 rotate anticlockwise, the corresponding guide wheel sleeve assemblies in the four cam guide grooves are driven to move outwards from the end close to the fixed mounting plate 3 along the linear slide rail 8, when any guide wheel sleeve assembly moves to the semi-circular groove 12 of the cam guide groove, the output shaft of the motor 7 rotates anticlockwise, the cylindrical gear on the output shaft of the motor 7 is driven to rotate anticlockwise, the outer ring gear of the supporting bearing 4 is driven to rotate clockwise, the outer ring gear drives the cam mounting plate 5 to rotate clockwise, and the cam mounting plate 5 drives the four cam guide groove parts 6 to rotate clockwise, the guide wheel sleeve assemblies corresponding to the four cam guide grooves are driven to move towards the fixed mounting plate 3 along the linear slide rail 8, when any guide wheel sleeve assembly moves to the semicircular groove 12 of the cam guide groove, the output shaft of the motor 7 rotates clockwise again, and the four guide wheel sleeve assemblies sequentially and repeatedly move, so that the four guide wheel sleeves rotate through the cam guide groove piece to achieve four-axis back-and-forth synchronous linear motion.
The implementation of the utility model has the advantages that: the cam rotating linear motion device comprises a rack and two linear guide rails fixed on the rack, two ends of each linear guide rail are respectively fixedly connected with linear slide rails, the linear guide rails are fixedly connected with a fixed mounting plate, a supporting bearing is connected and arranged below the fixed mounting plate, a cam mounting plate is connected and arranged below the supporting bearing, the supporting bearing comprises an inner ring, a roller and an outer ring gear, the fixed mounting plate is fixedly connected with the inner ring, the cam mounting plate is fixedly connected with the outer ring gear, a motor is fixedly arranged on one side of the fixed mounting plate, a cylindrical gear is sleeved on an output shaft of the motor, the cylindrical gear is meshed with the outer ring gear, a guide wheel sleeve assembly is slidably arranged on each linear slide rail, the guide wheel sleeve assembly is provided with a cam guide groove piece in a penetrating and movably connected mode, and the cam mounting plate is connected with one end of the cam guide groove piece and drives the guide wheel shaft assembly to slide back and forth on each linear slide rail. Through the technical scheme, the effects of four-axis synchronous linear motion, flexible connection of all parts in the motion process, high transmission efficiency and low noise can be achieved through rotation of the cam guide groove piece.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A cam rotating linear motion device is characterized by comprising a rack and two linear guide rails fixed on the rack, wherein two ends of each linear guide rail are respectively and fixedly connected with a linear slide rail, each linear guide rail is fixedly connected with a fixed mounting plate, a supporting bearing is connected below the fixed mounting plate, a cam mounting plate is connected below the supporting bearing, the supporting bearing comprises an inner ring, a roller and an outer ring gear, the fixed mounting plate is fixedly connected with the inner ring, the cam mounting plate is fixedly connected with the outer ring gear, one side of the fixed mounting plate is fixedly provided with a motor, an output shaft of the motor is sleeved with a cylindrical gear, the cylindrical gear is meshed with the outer ring gear, the linear slide rails are slidably connected with guide wheel shaft sleeve assemblies, and the guide wheel shaft sleeve assemblies are provided with cam guide groove members in a penetrating and movable connection mode, the cam mounting plate is connected with one end of the cam guide groove piece and drives the guide pulley shaft assembly to slide back and forth on the linear slide rail.
2. The cam rotary linear motion device according to claim 1, wherein a cam guide groove in the shape of a circular arc is provided in the middle of the cam guide groove member, the cam guide groove comprises a middle section guide groove and semicircular grooves integrally connected to both ends of the middle section guide groove, the diameter of the semicircular grooves is equal to the width of the guide groove, the centers of the semicircular grooves at the ends of the cam guide groove near/far the cam mounting plate are located on the same circumferential line, and the center of the circumferential line is the rotation center of the cam mounting plate.
3. The device as claimed in claim 2, wherein the cam mounting plate is rectangular, four cam guide groove members are fixedly connected to four sides of the cam mounting plate, a notch is formed at an edge of each side of the cam mounting plate, the cam guide groove members are fixed to edges of the notches, and the notches are overlapped with the cam guide grooves.
4. The cam rotary linear motion device of claim 3, wherein the cam guide member is divided into a first cam guide member and a second cam guide member, the first cam guide member and the second cam guide member being spaced apart from each other on an edge of the cam mounting plate.
5. The cam rotary linear motion device of claim 4, wherein the cam guide channel member is secured to the cam mounting plate by at least three bolts, the bolts being distributed in a tree pattern on the cam guide channel member.
6. The cam rotary linear motion device of claim 5, wherein the two linear guide rails are arranged in parallel, and both ends of the fixed mounting plate are fixed to the two linear guide rails, respectively.
7. The device for rotating and linear moving a cam according to claim 6, wherein the linear sliding rails are fixed on the linear guide rails in parallel, and two linear sliding rails on the same linear guide rail are arranged on two sides of the fixed mounting plate.
8. The cam rotary linear motion device of claim 7, wherein the idler bushing assembly comprises a lower idler bushing and a linear guide groove connected with the idler bushing, and the linear guide groove is slidably disposed on the linear slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022308224.2U CN215334258U (en) | 2020-10-16 | 2020-10-16 | Cam rotating linear motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022308224.2U CN215334258U (en) | 2020-10-16 | 2020-10-16 | Cam rotating linear motion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215334258U true CN215334258U (en) | 2021-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022308224.2U Active CN215334258U (en) | 2020-10-16 | 2020-10-16 | Cam rotating linear motion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215334258U (en) |
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2020
- 2020-10-16 CN CN202022308224.2U patent/CN215334258U/en active Active
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