CN113175513B - A sliding spiral cam adjustment mechanism - Google Patents

A sliding spiral cam adjustment mechanism Download PDF

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Publication number
CN113175513B
CN113175513B CN202110578991.1A CN202110578991A CN113175513B CN 113175513 B CN113175513 B CN 113175513B CN 202110578991 A CN202110578991 A CN 202110578991A CN 113175513 B CN113175513 B CN 113175513B
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China
Prior art keywords
sliding
screw rod
hinged
adjusting screw
frame
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Active
Application number
CN202110578991.1A
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Chinese (zh)
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CN113175513A (en
Inventor
李永峰
王慧玉
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Shandong Iron and Steel Co Ltd
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Shandong Iron and Steel Co Ltd
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Priority to CN202110578991.1A priority Critical patent/CN113175513B/en
Publication of CN113175513A publication Critical patent/CN113175513A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0604—Construction of the male part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/068—Special features relating to lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0695—Mounting of ball-joints, e.g. fixing them to a connecting rod
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/004—Fixing of a carriage or rail, e.g. rigid mounting to a support structure or a movable part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/02—Sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/10—Arrangements for locking the bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/08—Attachment of brasses, bushes or linings to the bearing housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/102—Construction relative to lubrication with grease as lubricant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/14—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types the movements of two or more independently-moving members being combined into a single movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0463—Grease lubrication; Drop-feed lubrication
    • F16H57/0464—Grease lubrication
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/10—Alloys based on copper
    • F16C2204/12—Alloys based on copper with tin as the next major constituent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2075—Coaxial drive motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • F16H2025/249—Materials or coatings for screws or nuts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

本发明提供一种滑动螺旋凸轮调整机构，包括滑动螺旋机构、斜楔式滑移凸轮机构和顶杆架；滑动螺旋机构包括第一减速电机、横向调整螺母和横向调整螺旋杆，第一减速电机的输出端与横向调整螺旋杆的一端固定连接，横向调整螺母与横向调整螺旋杆为螺纹连接；斜楔式滑移凸轮机构包括摆架、纵向调整螺母、纵向调整螺旋杆、斜滑道和顶杆。本滑动螺旋凸轮调整机构能够在线实时对待调整构件的横坐标和纵坐标进行调整，实现待调整构件的同步线性微调，从而规律性的改变待调整构件的运动轨迹，满足现场差异化的工艺需求。

The present invention provides a sliding spiral cam adjustment mechanism, including a sliding spiral mechanism, an inclined wedge sliding cam mechanism and a push rod frame; the sliding spiral mechanism includes a first reduction motor, a lateral adjustment nut and a lateral adjustment spiral rod, the output end of the first reduction motor is fixedly connected to one end of the lateral adjustment spiral rod, and the lateral adjustment nut and the lateral adjustment spiral rod are threadedly connected; the inclined wedge sliding cam mechanism includes a swing frame, a longitudinal adjustment nut, a longitudinal adjustment spiral rod, an inclined slideway and a push rod. The sliding spiral cam adjustment mechanism can adjust the horizontal coordinate and the vertical coordinate of the component to be adjusted online in real time, realize the synchronous linear fine-tuning of the component to be adjusted, thereby regularly changing the motion trajectory of the component to be adjusted, and meeting the differentiated process requirements on site.

Description

Sliding spiral cam adjusting mechanism
Technical Field
The invention relates to the technical field of steel rolling, in particular to a sliding spiral cam adjusting mechanism.
Background
In the industrial manufacturing process, we often need to adjust the abscissa and ordinate of a certain component in the linkage mechanism or other related mechanisms in real time, or adjust the real-time motion track parameters of a certain component to meet the design requirement of variable track motion required by a certain process. At present, the mechanism for adjusting the abscissa and the ordinate of the member to be adjusted has complex structure, low adjustment precision and inconvenient operation, and cannot meet the technical requirements of on-site differentiation.
Disclosure of Invention
The invention aims to provide a sliding spiral cam adjusting mechanism which can adjust the horizontal coordinate and the vertical coordinate of a member to be adjusted on line in real time, so that synchronous linear fine adjustment of the member to be adjusted is realized, the movement track of the member to be adjusted is changed regularly, and the process requirement of on-site differentiation is met.
In order to achieve the above object, the present invention provides the following technical solutions:
The sliding spiral cam adjusting mechanism comprises a sliding spiral mechanism, a wedge type sliding cam mechanism and a top rod frame, wherein the sliding spiral mechanism comprises a first speed reducing motor, a transverse adjusting nut and a transverse adjusting spiral rod, the output end of the first speed reducing motor is fixedly connected with one end of the transverse adjusting spiral rod, the transverse adjusting nut is in threaded connection with the transverse adjusting spiral rod, the wedge type sliding cam mechanism comprises a swinging frame, a longitudinal adjusting nut, a longitudinal adjusting spiral rod, an inclined slideway and a top rod, the bottom of the swinging frame is hinged with the upper plane of the transverse adjusting nut, the longitudinal adjusting spiral rod is rotatably arranged on the inner side of the swinging frame, the longitudinal adjusting nut is in threaded connection with the longitudinal adjusting spiral rod, the bottom of the longitudinal adjusting spiral rod is hinged with the upper plane of the transverse adjusting nut, one end of the inclined slideway is hinged with the longitudinal adjusting nut, one end of the top rod is hinged with the inclined slideway, the top of the top rod frame is provided with a sleeve, the bottom of the vertical adjusting spiral rod is rotatably arranged on the inner side of the swinging frame, and the bottom of the vertical adjusting spiral rod is rotatably arranged in the upper plane of the transverse adjusting nut, and the inclined slideway is axially and synchronously moved by driving the inclined slideway.
Further, the sliding spiral cam adjusting mechanism further comprises an L-shaped slide rail and a locking bolt, wherein the bottom of the L-shaped slide rail is fixedly arranged, the bottom of the ejector rod frame is in sliding connection with the top of the L-shaped slide rail, the locking bolt is arranged between the bottom of the ejector rod frame and the top of the L-shaped slide rail, and the locking bolt is used for fixedly connecting the bottom of the ejector rod frame with the top of the L-shaped slide rail.
Further, in the sliding spiral cam adjusting mechanism, a cantilever guide rail is arranged at the top of the L-shaped slideway, the bottom of the ejector rod frame is of a concave structure, the concave structure is integrally coated on the cantilever guide rail, the locking bolt is arranged between the concave structure and the cantilever guide rail and is used for fixedly connecting the concave structure with the cantilever guide rail, preferably, the ejector rod frame is an integral welding insertion component, and the inner side wall of the sleeve is inlaid with a second sliding bearing made of bronze and coated with lubricating grease.
The sliding spiral cam adjusting mechanism further comprises a swing frame gland, a rolling bearing and a swing hinge ball, wherein the swing frame gland is arranged at the top of the swing frame, the longitudinal adjusting spiral rod is arranged at the inner side of the swing frame in a sliding mode through the rolling bearing fixed in the swing frame gland, the bottom of the longitudinal adjusting spiral rod is provided with a cambered surface bulge, the center arc of the cambered surface bulge is in a semicircular arc shape, the longitudinal adjusting spiral rod is in cladding hinge with a cambered surface groove at one end of the swing hinge ball through the cambered surface bulge, the other end of the swing hinge ball is hinged with the upper plane of the transverse adjusting nut, and the swing frame, the longitudinal adjusting spiral rod and the swing hinge ball are coaxially and compositely hinged.
Further, in the sliding spiral cam adjusting mechanism, the sliding spiral cam adjusting mechanism further comprises a hand wheel, wherein the hand wheel is fixedly arranged at the top of the longitudinal adjusting spiral rod, the longitudinal adjusting nut is a fine triangle internal thread, and preferably, the tooth angle of the fine triangle internal thread is 60 degrees.
Further, the sliding spiral cam adjusting mechanism further comprises a sliding hinged ball head, one end of the sliding hinged ball head is provided with a spherical groove, the upper surface of the inclined slideway is provided with a slideway with a groove structure, the other end of the sliding hinged ball head is embedded into the slideway, the sliding hinged ball head is in cladding and hinging with a ball head bulge arranged at the bottom of the ejector rod through the spherical groove, and preferably, the sliding hinged ball head is made of tin phosphor bronze ZCUSn10P1 or tin bronze CuPb5Sn5Zn5 materials, and extreme pressure lithium-based lubricating grease is smeared in the slideway.
The sliding spiral cam adjusting mechanism further comprises a third pin shaft and a fourth pin shaft, wherein the bottom of the swing frame and the other end of the swing hinge ball head are hinged with the upper plane of the transverse adjusting nut through the third pin shaft, and the other end of the inclined slideway is hinged with the upper plane of the transverse adjusting nut through the fourth pin shaft.
Further, in the sliding spiral cam adjusting mechanism, the transverse adjusting nut is of an integral cuboid structure design, and the transverse adjusting nut is of a through long thin tooth internal thread tooth type.
The sliding spiral cam adjusting mechanism further comprises two groups of bearing seats and a base, wherein the first speed reducing motor is fixedly arranged on the bearing seats on the transmission side, two ends of the transverse adjusting spiral rod are respectively and rotatably connected with the two groups of bearing seats, the bottom of the L-shaped slideway is fixedly arranged above the bearing seats on the non-transmission side, the two groups of bearing seats are fixedly arranged on the base, and preferably, the sliding spiral cam adjusting mechanism further comprises a first sliding bearing which is arranged in the bearing seats.
Further, in the sliding spiral cam adjusting mechanism, the longitudinal adjusting spiral rod is made of 20Cr alloy steel, and the swing hinged ball head is made of tin phosphor bronze ZCuSn10P1 or tin bronze CuPb5Sn5Zn 5.
Analysis shows that the embodiment of the invention discloses a sliding spiral cam adjusting mechanism, which realizes the following technical effects:
The sliding spiral cam adjusting mechanism is formed by combining the sliding spiral mechanism and the wedge type sliding cam mechanism, and can adjust the abscissa and the ordinate of the component to be adjusted on line in real time, so that synchronous linear fine adjustment of the component to be adjusted is realized, the movement track of the component to be adjusted is changed regularly, and the technical requirement of on-site differentiation is met. The sliding spiral cam adjusting mechanism can meet the process requirement of synchronous linear adjustment of the component to be adjusted through regular change of the motion trail of the sliding spiral cam adjusting mechanism. The sliding spiral cam adjusting mechanism can accurately adjust and control the local motion track of the member to be adjusted, and finally influences the track parameter of the downstream-most actuating mechanism in the member to be adjusted, so that the actual requirement of the on-site working condition parameter is met. Meanwhile, the sliding spiral cam adjusting mechanism is simple in structure, high in adjusting precision and convenient to operate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. Wherein:
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a front view of a swing frame according to an embodiment of the invention;
FIG. 3 is a left side view of a swing frame according to an embodiment of the invention;
FIG. 4 is a schematic view of a structure of a roof rack according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the movement of an embodiment of the present invention;
FIG. 6 is a schematic view of a mandrel according to an embodiment of the present invention;
FIG. 7 is a schematic view of a structure of a roof rack according to an embodiment of the present invention;
FIG. 8 is a schematic view of a ramp structure according to an embodiment of the present invention;
FIG. 9 is a schematic view of a sliding ball joint according to an embodiment of the present invention;
FIG. 10 is a schematic view of a lateral adjustment nut according to an embodiment of the present invention;
FIG. 11 is a schematic view of a structure of a lateral adjustment screw according to an embodiment of the present invention;
FIG. 12 is a schematic view of a swing frame according to an embodiment of the present invention;
FIG. 13 is a schematic view of a swing joint ball according to an embodiment of the present invention;
FIG. 14 is a schematic view of a longitudinal adjustment screw according to an embodiment of the present invention;
FIG. 15 is a schematic view of a longitudinal adjustment nut according to an embodiment of the present invention;
fig. 16 is a schematic structural view of an L-shaped chute according to an embodiment of the invention.
Reference numerals illustrate:
31-first gear motor, 32-bearing seat, 321-first sliding bearing, 33-transverse adjusting screw rod, 34-transverse adjusting nut, 341-third pin shaft, 342-fourth pin shaft, 35-swing frame, 351-swing frame gland, 352-swing frame beam, 353-hand wheel, 354-rolling bearing, 36-longitudinal adjusting nut, 361-fifth pin shaft, 37-longitudinal adjusting screw rod, 38-swing hinge ball head, 39-ejector rod, 391-sliding hinge ball head, 392-inclined slide, 393-ejector rod frame, 3931-locking bolt and 394-L slide.
Detailed Description
The invention will be described in detail below with reference to the drawings in connection with embodiments. The examples are provided by way of explanation of the invention and not limitation of the invention. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are to be construed broadly, and may be, for example, fixedly connected or detachably connected, directly connected or indirectly connected through intermediate members, or may be a wired electrical connection, a radio connection, or a wireless communication signal connection, as will be understood by those skilled in the art, depending on the particular meaning of the terms.
One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," "third," and "fourth," etc. are used interchangeably to distinguish one component from another and are not intended to represent the location or importance of the individual components.
As shown in fig. 1 to 16, according to an embodiment of the present invention, there is provided a sliding spiral cam adjustment mechanism including a sliding spiral mechanism, a cam wedge type sliding spiral cam mechanism and a jack frame 393, wherein the sliding spiral mechanism includes a first speed reducing motor 31, a lateral adjustment screw nut 34 and a lateral adjustment screw rod 33, the cam wedge type sliding spiral cam mechanism includes a swing frame 35, a longitudinal adjustment screw nut 36, a longitudinal adjustment screw rod 37, a diagonal slide 392 and a jack 39, an output end of the first speed reducing motor 31 is fixedly connected with one end of the lateral adjustment screw rod 33, the lateral adjustment screw nut 34 is in threaded connection with the lateral adjustment screw rod 33, a bottom of the swing frame 35 is in threaded connection with an upper plane of the lateral adjustment screw nut 34, the longitudinal adjustment screw rod 37 is rotatably arranged on an inner side of the swing frame 35, the longitudinal adjustment screw nut 36 is in threaded connection with the longitudinal adjustment screw rod 37, a bottom of the longitudinal adjustment screw rod 37 is in hinged with an upper plane of the lateral adjustment screw nut 34, one end of the diagonal slide 392 is hinged with the longitudinal adjustment screw nut 36, the other end of the diagonal slide 392 is hinged with an upper plane of the lateral adjustment screw rod 34, one end of the diagonal slide 392 is hinged with the diagonal slide 392, a top of the swing frame 393 is provided with a sleeve, the top of the upper end of the swing frame 393 is provided with a sleeve, the bottom of the lateral adjustment screw rod 39 is axially arranged in the lateral adjustment screw rod 33 is axially moved in the lateral adjustment screw rod 33 is driven by the lateral adjustment screw rod 33, and is further axially moved by the lateral adjustment screw nut is driven by the lateral adjustment screw nut 33 is driven by the lateral adjustment screw nut is driven by the vertical screw nut.
In the above embodiment, the output end of the first gear motor 31 is fixedly connected with one end of the transverse adjustment screw rod 33, the first gear motor 31 works to drive the transverse adjustment screw rod 33 to rotate synchronously, and the transverse adjustment nut 34 is in threaded connection with the transverse adjustment screw rod 33, so that the circumferential rotation of the transverse adjustment screw rod 33 can be converted into the axial transverse movement of the transverse adjustment nut 34. The bottom of the swing frame 35 is hinged with the upper plane of the transverse adjusting nut 34, the longitudinal adjusting screw rod 37 is rotatably arranged on the inner side of the swing frame 35, the longitudinal adjusting screw rod 36 is in threaded connection with the longitudinal adjusting screw rod 37, the bottom of the longitudinal adjusting screw rod 37 is hinged with the upper plane of the transverse adjusting nut 34, one end of the inclined slide 392 is hinged with the longitudinal adjusting screw rod 36, the other end of the inclined slide 392 is hinged with the upper plane of the transverse adjusting nut 34, one end of the ejector rod 39 is hinged with the inclined slide 392, a sleeve is arranged at the top of the ejector rod frame 393, the bottom of the ejector rod frame 393 is fixedly arranged, the ejector rod 39 is arranged in the sleeve, and the other end of the ejector rod 39 is connected with a member to be adjusted. When the longitudinal adjustment screw rod 37 is rotated, the longitudinal adjustment screw rod 37 and the swing frame 35 synchronously swing around the upper plane of the transverse adjustment screw rod 34 by a small extent, and simultaneously the longitudinal adjustment screw rod 36 is driven to slide up and down along the axis of the longitudinal adjustment screw rod 37, so that the inclined slide 392 hinged with the longitudinal adjustment screw rod 36 swings around the upper plane of the transverse adjustment screw rod 34, and finally the inclined included angle between the inclined slide 392 and the horizontal plane is changed, and the ejector rod 39 is pushed to move up and down linearly, so that the synchronous linear fine adjustment of the member to be adjusted is realized through the up and down linear movement of the ejector rod 39, and the movement track of the member to be adjusted is changed regularly. When the first gear motor 31 works, the first gear motor 31 drives the transverse adjusting screw rod 33 to circumferentially rotate, so that the transverse adjusting nut 34 synchronously moves in an axial transverse movement, the inclined slide 392 synchronously slides in an axial direction, the ejector rod 39 synchronously moves in a vertical lifting manner, and synchronous linear fine adjustment of the component to be adjusted can be realized, so that the movement track of the component to be adjusted is regularly changed. The sliding spiral cam adjusting mechanism is formed by combining the sliding spiral mechanism and the wedge type sliding cam mechanism, and can adjust the ordinate of the member to be adjusted on line in real time, so that synchronous linear fine adjustment of the member to be adjusted is realized, the movement track of the member to be adjusted is changed regularly, and the process requirement of on-site differentiation is met. The sliding spiral cam adjusting mechanism can accurately adjust and control the local motion track of the member to be adjusted, and finally influences the track parameter of the downstream-most actuating mechanism in the member to be adjusted, so that the actual requirement of the on-site working condition parameter is met. Meanwhile, the sliding spiral cam adjusting mechanism is simple in structure, high in adjusting precision and convenient to operate.
The sliding spiral cam adjusting mechanism is formed by combining a sliding spiral mechanism and a wedge type sliding cam mechanism, adopts a unit combination design scheme of embedding the stacked wedge type sliding cam mechanism above the sliding spiral mechanism, and comprises the sliding spiral mechanism together by a transverse adjusting nut 34, a transverse adjusting spiral rod 33 and other accessories, and is arranged below the sliding spiral mechanism. The swing frame 35, the inclined slide 392, the ejector rod 39 and other related accessories form an inclined wedge type sliding cam mechanism, and the inclined wedge type sliding cam mechanism is overlapped above the adjusting mechanism. The sliding screw mechanism and the wedge sliding cam mechanism are matched to act to adjust the ordinate of the member to be adjusted.
Preferably, as shown in fig. 1, in one embodiment of the present invention, the device further comprises two groups of bearing seats 32 and a base 15, wherein the first gear motor 31 is fixedly arranged on the bearing seats 32 at the transmission side, two ends of the transverse adjusting screw 33 are respectively and rotatably connected with the two groups of bearing seats 32, the two groups of bearing seats 32 are fixedly arranged on the base 15, and the device further preferably comprises a first sliding bearing 321, and the first sliding bearing 321 is arranged in the bearing seats 32. Here, the bearing housing 32 close to the first gear motor 31 is a bearing housing 32 on the transmission side, and the bearing housing 32 far from the first gear motor 31 is a bearing housing 32 on the non-transmission side. The sliding spiral cam adjusting mechanism can be symmetrically arranged below a member to be adjusted in use and integrally mounted on the base 15. The first gear motor 31 can be directly fixed on the bearing seat 32 on the transmission side through a flange, the two groups of bearing seats 32 on the transmission side and the non-transmission side are of identical structural design, and are jointly fixed on the base 15, so that the space layout and the on-site disassembly and assembly are facilitated, and the circumferential positive and negative rotation of the transverse adjusting screw rod 33 is driven through the radial support and sliding friction reduction of the two groups of first sliding bearings 321, so that the transverse adjusting nut 34 matched with the transverse adjusting screw rod is driven to transversely move in a left-right axial straight line, the inclined slideway 392 fixed above the transverse adjusting nut 34 is driven to synchronously slide in an axial straight line to drive the ejector rod 39 to vertically and linearly move, and the longitudinal coordinate of a member to be adjusted is changed.
Preferably, as shown in fig. 1 and 16, in one embodiment of the present invention, the device further comprises an L-shaped slide 394 and a locking bolt 3931, wherein the bottom of the L-shaped slide 394 is fixedly arranged, the bottom of the ejector rod frame 393 is slidably connected with the top of the L-shaped slide 394, the locking bolt 3931 is arranged between the bottom of the ejector rod frame 393 and the top of the L-shaped slide 394, and the locking bolt 3931 is used for fixedly connecting the bottom of the ejector rod frame 393 and the top of the L-shaped slide 394. The bottom of ejector rod frame 393 and the top sliding connection of L slide 394, when making ejector rod frame 393 slide on L slide 394, can make ejector rod 39 about move and change the abscissa of ejector rod 39, and then can adjust the abscissa of treating the adjustment component in real time on line, can come the bottom of ejector rod frame 393 and the top fixed connection of L slide 394 through lock bolt 3931 after the adjustment is accomplished. The sliding spiral cam adjusting mechanism can adjust the abscissa and the ordinate of the member to be adjusted on line in real time, and realize synchronous linear fine adjustment of the member to be adjusted, so that the movement track of the member to be adjusted is changed regularly, and the process requirement of on-site differentiation is met. The sliding spiral cam adjusting mechanism can accurately adjust and control the local motion track of the member to be adjusted, and finally influences the track parameter of the downstream-most actuating mechanism in the member to be adjusted, so that the actual requirement of the on-site working condition parameter is met. Meanwhile, the sliding spiral cam adjusting mechanism is simple in structure, high in adjusting precision and convenient to operate.
Preferably, as shown in fig. 4, 7 and 16, in one embodiment of the present invention, a cantilever rail is disposed at the top of the L-shaped slide 394, the bottom of the ejector rod rack 393 is a concave structure, the concave structure is integrally wrapped on the cantilever rail, a locking bolt 3931 is disposed between the concave structure and the cantilever rail, the locking bolt 3931 is used for fixedly connecting the concave structure and the cantilever rail, preferably, the ejector rod rack 393 is an integral welding and inserting component, a sleeve is designed at the top of the ejector rod rack 393, a second sliding bearing made of bronze material is inlaid on the inner side wall of the sleeve and coated with lubricating grease to reduce friction, and the ejector rod rack 393 is movably matched with the ejector rod 39 and restrict the degree of freedom of transverse left and right movement of the ejector rod 39. The bottom of the L-shaped slide way 394 is fixedly arranged above the bearing seat 32 on the non-transmission side, the bottom of the ejector rod frame 393 is designed into a concave structure, the whole body of the ejector rod frame is coated on the cantilever guide rail of the L-shaped slide way 394, and lubricating grease is smeared on the matching surface of the two, so that the transverse positioning parameters of the ejector rod frame 393 can be manually adjusted, and finally the ejector rod frame is fixed through the locking bolt 3931, thereby changing the transverse coordinates of a member to be adjusted.
Preferably, as shown in fig. 1 to 3, in one embodiment of the present invention, the swing frame comprises a swing frame cover 351, a rolling bearing 354 and a swing hinge ball 38, wherein the swing frame cover 351 is arranged at the top of the swing frame 35, the longitudinal adjusting screw rod 37 is slidably arranged at the inner side of the swing frame 35 through the rolling bearing 354 fixed in the swing frame cover 351, the bottom of the longitudinal adjusting screw rod 37 is provided with a cambered surface bulge, the central arc of the cambered surface bulge is in a semicircular arc shape, the longitudinal adjusting screw rod 37 is in cladding hinge with a cambered surface groove at one end of the swing hinge ball 38 through the cambered surface bulge, the other end of the swing hinge ball 38 is hinged with the upper plane of the transverse adjusting nut 34, and the swing frame 35, the longitudinal adjusting screw rod 37 and the swing hinge ball 38 are coaxially and compositely hinged. Preferably, the rolling bearing 354 is a deep groove ball bearing.
Preferably, as shown in fig. 1 and fig. 10 to fig. 14, in one embodiment of the present invention, the transverse adjusting nut 34 is of an integral cuboid structure, and the sliding screw pair is formed by matching the through-long thin-tooth internal thread profile turned on the end surface thereof with the transverse adjusting screw rod 33. Two groups of fixed hinging pairs are designed on the upper plane of the transverse adjusting nut 34, one group is used for hinging the inclined slide 392, and the other group is used for hinging the swing frame 35 and the swing hinging ball head 38. The swing frame 35 is internally provided with a longitudinal adjusting screw rod 37, and the longitudinal adjusting screw rod 37 is connected with the swing frame 35 into a whole through a rolling bearing 354 fixed in a swing frame gland 351 to form a swaying rigid integral member. The longitudinal adjusting screw rod 37 is made of 20Cr alloy steel, the bottom of the longitudinal adjusting screw rod 37 is designed to be a unique cambered surface bulge which is wrapped and hinged with a cambered surface groove of the swing hinge ball head 38, the 360-degree omnibearing rotation freedom degree is achieved, the swing hinge ball head 38 is made of tin phosphor bronze ZCUSn10P1, the wear-resistant antifriction performance is good, the radial and axial supporting function of the thrust sliding bearing is achieved, an additional virtual constraint is provided for the longitudinal adjusting screw rod 37, the stress condition of the longitudinal adjusting screw rod 37 is improved, the local unbalanced load deformation is prevented, and the swing hinge ball head 38 can swing left and right synchronously along with the swing frame 35 and the longitudinal adjusting screw rod 37, so that a group of swing three-in-one components is formed.
As shown in fig. 5, in the space kinematics design, most of the swing frame 35, the longitudinal adjustment screw rod 37, the longitudinal adjustment nut 36, the swing hinge ball 38, the inclined slide 392 and the transverse adjustment nut 34 of the upper half part of the sliding spiral cam adjustment mechanism are combined together to form a typical plane link guide mechanism in the mechanical design, the upper plane of the transverse adjustment nut 34 is the plane link guide mechanism carrier platform, the upper surface is provided with a third pin 341, so that the swing frame 35, the longitudinal adjustment screw rod 37 and the swing hinge ball 38 are coaxially and compositely hinged, and are screwed with the longitudinal adjustment nut 36 to form a plane II rod group with a space degree of freedom of 0 together, and are hinged with the inclined slide 392 serving as a class I mechanism in a rotating way through a fifth pin 361, and the inclined slide 392 is hinged on the upper plane of the transverse adjustment nut 34 through a fourth pin 342 to form a plane link guide mechanism with a space degree of freedom of 1 together, wherein the inclined slide 392 is a non-circular wedge cam.
Preferably, as shown in fig. 1 and 15, in one embodiment of the present invention, the present invention further comprises a hand wheel 353, wherein the hand wheel 353 is fixedly arranged at the top of the longitudinal adjustment screw 37, the longitudinal adjustment nut 36 is a fine triangle internal thread, and preferably, the tooth angle of the fine triangle internal thread is 60 °. Preferably, in one embodiment of the present invention, the swing frame further comprises a third pin 341 and a fourth pin 342, wherein the bottom of the swing frame 35 and the other end of the swing hinge ball 38 are hinged with the upper plane of the transverse adjusting nut 34 through the third pin 341, and the other end of the inclined slide 392 is hinged with the upper plane of the transverse adjusting nut 34 through the fourth pin 342.
In the above embodiment, the longitudinal adjustment nut 36 in the swing frame 35 is a 60 ° fine triangle internal thread with a large equivalent friction coefficient and good tooth self-locking property, and is engaged with the longitudinal adjustment screw rod 37 to be movable up and down along the axis thereof. The longitudinal adjustment nut 36 is provided with a set of fixed hinge pairs on the side surface thereof, which are hinged with the inclined slide 392. When the manual hand-operated hand wheel 353 rotates, the longitudinal adjustment screw rod 37 rotates synchronously and circumferentially, so that the triple coaxial composite hinge member formed by the swing hinge ball head 38, the longitudinal adjustment screw rod 37 and the swing frame 35 swings synchronously and slightly around the third pin shaft 341, and meanwhile, the longitudinal adjustment nut 36 is driven to slide up and down along the axis of the longitudinal adjustment screw rod 37, so that the inclined slide 392 hinged with the longitudinal adjustment nut 36 swings left and right around the fourth pin shaft 342 at the fixed hinge point on the transverse adjustment nut 34, finally, the inclined included angle between the inclined slide 392 and the horizontal plane is changed, and the ejector rod 39 is pushed to move linearly up and down.
Preferably, as shown in fig. 8 and 9, in one embodiment of the present invention, the sliding hinge ball 391 further comprises a sliding hinge ball 391, wherein one end of the sliding hinge ball 391 is provided with a spherical groove, the upper surface of the inclined sliding rail 392 is provided with a sliding rail with a groove structure, the other end of the sliding hinge ball 391 is embedded in the sliding rail, and the sliding hinge ball 391 is hinged with a ball protrusion arranged at the bottom of the push rod 39 in a cladding way through the spherical groove. The upper surface of the inclined slideway 392 is milled with a slideway with a groove structure, and the other end of the sliding hinge ball 391 is embedded in the groove slideway and can slide along the groove slideway in a straight line. In order to reduce friction retardation, the sliding hinge ball 391 is made of tin-zinc-lead bronze material, and extreme pressure lithium-based lubricating grease is smeared in the groove of the inclined slideway 392. One end of the sliding hinge ball 391 is provided with a spherical groove, and is in 360-degree cladding hinge with a ball boss at the bottom of the ejector rod 39, and when the sliding hinge ball 391 slides along the inclined slideway 392 in an inclined way, the sliding hinge ball 391 pushes the ejector rod 39 to vertically lift and lower under the constraint of the transverse displacement of the ejector rod frame 393.
Preferably, as shown in fig. 6 to 16, in one embodiment of the present invention, the ejector rod 39 is a three-in-one assembly structure, a bottom rotating ball protrusion of the ejector rod 39 is matched with the sliding hinge ball 391, a top rotating round pressing plate of the ejector rod 39 is matched with the member to be adjusted, and in use, the ejector rod 39 is fixedly connected with the member to be adjusted through the top round pressing plate, so that the member to be adjusted and the ejector rod 39 are connected into a rigid integral member. In order to ensure the accuracy and convenience of on-site installation and positioning.
The invention provides two regulation schemes, which can achieve the purpose of regulating the member to be regulated, wherein the ordinate of the member to be regulated can be regulated automatically in real time by means of the intermittent forward and reverse rotation of the first gear motor 31 through an electromagnetic induction switch arranged on site, and the abscissa of the member to be regulated can be regulated by manually intervening to regulate the position of the ejector rod frame 393 on the L slideway 394, and the specific regulation scheme can be selected according to the actual working condition on site. Preferably, in one embodiment of the present invention, the bottom of the L-shaped slide 394 and the bottom of the ejector rod rack 393 are designed into a sliding screw pair structure and are configured with a speed reducing motor and a corresponding electromagnetic induction switch, so that on-line automatic real-time adjustment and control of the abscissa of the member to be adjusted can also be achieved. Therefore, the sliding spiral cam adjusting mechanism can adjust the transverse coordinates and the longitudinal coordinates of the member to be adjusted on line in real time, and realize synchronous linear fine adjustment of the member to be adjusted, so that the movement track of the member to be adjusted is changed regularly, and the process requirement of on-site differentiation is met.
The sliding spiral cam adjusting mechanism has the advantages that the sliding friction parts related to the sliding spiral cam adjusting mechanism are made of bronze materials with enough rigidity, strength, wear resistance and antifriction property, and extreme pressure lithium-based lubricating ester is coated on the bronze materials, so that friction resistance is reduced, friction power loss of a system is reduced, and operation flexibility is improved. Considering the actual working condition of on-site high-temperature, low-speed and intermittent transmission and the good machining process performance of materials, the tin phosphor bronze ZCuSn10P1 and the tin bronze CuPb5Sn5Zn5 with good antifriction property are preferably selected, and the method has the remarkable characteristics of low hardness, high plasticity, small elastic modulus, good running-in property, good compliance and embedding property and higher compression resistance, impact load resistance and fatigue strength. The aluminum bronze ZCuAl Fe3 with higher mechanical strength and wear resistance can also be used for replacing the aluminum bronze materials, as limited by market supply and manufacturing cost. The detail of bronze spare parts is as follows, namely a first sliding bearing 321 in the bearing seat 32, a swing joint ball 38 in the swing frame 35 and a sliding joint ball 391 in the inclined slideway 392.
From the above description, it can be seen that the above embodiment of the present invention achieves the following technical effects that the sliding spiral cam adjustment mechanism is formed by combining a sliding spiral mechanism and a cam sliding mechanism, and is capable of adjusting the abscissa and the ordinate of a member to be adjusted on line in real time, so as to achieve synchronous linear fine adjustment of the member to be adjusted, thereby regularly changing the movement track of the member to be adjusted, and meeting the technological requirements of on-site differentiation. The sliding spiral cam adjusting mechanism can meet the process requirement of synchronous linear adjustment of the component to be adjusted through regular change of the motion trail of the sliding spiral cam adjusting mechanism. The sliding spiral cam adjusting mechanism can accurately adjust and control the local motion track of the member to be adjusted, and finally influences the track parameter of the downstream-most actuating mechanism in the member to be adjusted, so that the actual requirement of the on-site working condition parameter is met. Meanwhile, the sliding spiral cam adjusting mechanism is simple in structure, high in adjusting precision and convenient to operate.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The sliding spiral cam adjusting mechanism is characterized by comprising a sliding spiral mechanism, a wedge type sliding cam mechanism, a jacking rod frame, an L-shaped slideway, a locking bolt and a hand wheel;
the sliding screw mechanism comprises a first speed reducing motor, a transverse adjusting nut and a transverse adjusting screw rod, wherein the output end of the first speed reducing motor is fixedly connected with one end of the transverse adjusting screw rod, and the transverse adjusting nut is in threaded connection with the transverse adjusting screw rod;
The inclined wedge type sliding cam mechanism comprises a swing frame, a longitudinal adjusting nut, a longitudinal adjusting screw rod, an inclined slideway and a mandril;
The bottom of the swing frame is hinged with the upper plane of the transverse adjusting nut, the longitudinal adjusting screw rod is rotatably arranged on the inner side of the swing frame, the longitudinal adjusting screw rod is in threaded connection with the longitudinal adjusting screw rod, the bottom of the longitudinal adjusting screw rod is hinged with the upper plane of the transverse adjusting nut, one end of the inclined slide rail is hinged with the longitudinal adjusting screw rod, and the other end of the inclined slide rail is hinged with the upper plane of the transverse adjusting screw rod;
one end of the ejector rod is hinged with the inclined slideway, a sleeve is arranged at the top of the ejector rod frame, the bottom of the ejector rod frame is fixedly arranged, and the ejector rod is arranged in the sleeve;
The first gear motor drives the transverse adjusting screw rod to circumferentially rotate so as to enable the transverse adjusting nut to synchronously and axially move transversely, so that the inclined slideway synchronously and axially slides, and the ejector rod synchronously and vertically moves up and down;
the bottom of the L-shaped slide rail is fixedly arranged, and the bottom of the ejector rod frame is in sliding connection with the top of the L-shaped slide rail;
The locking bolt is arranged between the bottom of the ejector rod frame and the top of the L-shaped slideway, and is used for fixedly connecting the bottom of the ejector rod frame with the top of the L-shaped slideway;
the hand wheel is fixedly arranged at the top of the longitudinal adjusting screw rod;
the longitudinal adjusting nut is a fine tooth triangle internal thread.
2. The sliding spiral cam adjusting mechanism according to claim 1, wherein a cantilever guide rail is arranged at the top of the L-shaped slideway, and the bottom of the ejector rod frame is of a concave structure;
the concave structure is integrally coated on the cantilever guide rail, the locking bolt is arranged between the concave structure and the cantilever guide rail, and the locking bolt is used for fixedly connecting the concave structure with the cantilever guide rail.
3. The sliding helical cam adjustment mechanism of claim 2, wherein,
The ejector rod frame is an integral welding insertion component, and the inner side wall of the sleeve is inlaid with a second sliding bearing made of bronze material and coated with lubricating grease.
4. The sliding helical cam adjustment mechanism of claim 1, further comprising a rocker gland, a rolling bearing, and a rocker hinge ball;
The swing frame gland is arranged at the top of the swing frame, the longitudinal adjusting screw rod is arranged at the inner side of the swing frame in a sliding way through a rolling bearing fixed in the swing frame gland,
The bottom of the longitudinal adjusting screw rod is provided with a cambered surface bulge, the central arc of the cambered surface bulge is semicircular, and the longitudinal adjusting screw rod is wrapped and hinged with a cambered surface groove at one end of the swing hinge ball head through the cambered surface bulge;
The other end of the swing hinge ball is hinged with the upper plane of the transverse adjusting nut, and the swing frame, the longitudinal adjusting screw rod and the swing hinge ball are coaxially and compositely hinged.
5. The sliding helical cam adjustment mechanism of claim 1, wherein,
The tooth angle of the fine tooth triangle internal thread is 60 degrees.
6. The sliding helical cam adjustment mechanism of claim 1, further comprising a sliding articulation ball having a spherical recess disposed at one end thereof;
The upper surface of the inclined slideway is provided with a slideway with a groove structure, and the other end of the sliding hinged ball head is embedded into the slideway;
The sliding hinged ball head is in cladding and hinging with a ball head bulge arranged at the bottom of the ejector rod through the spherical groove;
the sliding hinged ball head is made of tin phosphor bronze ZCUSn10P1 or tin bronze CuPb5Sn5Zn5 materials, and extreme pressure lithium-based lubricating grease is smeared in the slideway.
7. The sliding helical cam adjustment mechanism of claim 4 further comprising a third pin and a fourth pin;
The bottom of the swing frame and the other end of the swing hinge ball head are hinged with the upper plane of the transverse adjusting nut through the third pin shaft;
The other end of the inclined slideway is hinged with the upper plane of the transverse adjusting nut through the fourth pin shaft.
8. The sliding helical cam adjustment mechanism of claim 1, wherein the lateral adjustment nut is of unitary cuboid construction and the lateral adjustment nut is of a through-long, thin-tooth internal thread profile.
9. The sliding helical cam adjustment mechanism of claim 1 further comprising two sets of bearing blocks and a base;
The first gear motor is fixedly arranged on the bearing seat at the transmission side, two ends of the transverse adjusting screw rod are respectively and rotatably connected with two groups of bearing seats, and the bottom of the L-shaped slideway is fixedly arranged above the bearing seat at the non-transmission side;
the two groups of bearing seats are fixedly arranged on the base;
The bearing further comprises a first sliding bearing, wherein the first sliding bearing is arranged in the bearing seat.
10. The sliding spiral cam adjusting mechanism according to claim 4, wherein the longitudinal adjusting spiral rod is made of 20Cr alloy steel, and the swing hinge ball is made of tin phosphor bronze ZCUSn10P1 or tin bronze CuPb5Sn5Zn 5.
CN202110578991.1A 2021-05-26 2021-05-26 A sliding spiral cam adjustment mechanism Active CN113175513B (en)

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