CN113175513A - Sliding spiral cam adjusting mechanism - Google Patents

Sliding spiral cam adjusting mechanism Download PDF

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Publication number
CN113175513A
CN113175513A CN202110578991.1A CN202110578991A CN113175513A CN 113175513 A CN113175513 A CN 113175513A CN 202110578991 A CN202110578991 A CN 202110578991A CN 113175513 A CN113175513 A CN 113175513A
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CN
China
Prior art keywords
sliding
screw rod
hinged
adjusting screw
slideway
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Granted
Application number
CN202110578991.1A
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Chinese (zh)
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CN113175513B (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
Application granted granted Critical
Publication of CN113175513B publication Critical patent/CN113175513B/en
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    • 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

The invention provides a sliding spiral cam adjusting mechanism, which comprises a sliding spiral mechanism, a wedge type sliding cam mechanism and a top rod frame, wherein the sliding spiral mechanism is arranged on the top rod frame; 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 wedge type sliding cam mechanism comprises a swing frame, a longitudinal adjusting nut, a longitudinal adjusting screw rod, a diagonal slideway and an ejector rod. The sliding spiral cam adjusting mechanism can adjust the abscissa and the ordinate of the component to be adjusted on line in real time, and realizes synchronous linear fine adjustment of the component to be adjusted, so that the motion track of the component to be adjusted is changed regularly, and the process requirement of field differentiation is met.

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 process of industrial production and manufacturing, the abscissa and the ordinate of a certain component in a link mechanism or other related mechanisms are often required to be adjusted in real time, or the real-time motion trajectory parameters of a certain component are adjusted to meet the design requirements of the orbital transfer motion required by a certain process. At present, a mechanism for adjusting the abscissa and the ordinate of a member to be adjusted has a complex structure, low adjustment precision and inconvenient operation, and can not meet the process requirements of field differentiation.
Disclosure of Invention
The invention aims to provide a sliding spiral cam adjusting mechanism which can adjust the abscissa and the ordinate of a component to be adjusted on line in real time, and realize synchronous linear fine adjustment of the component to be adjusted, so that the motion track of the component to be adjusted is changed regularly, and the process requirement of field differentiation is met.
In order to achieve the above purpose, the invention provides the following technical scheme:
a sliding spiral cam adjusting mechanism comprises a sliding spiral mechanism, a wedge type sliding cam mechanism and a top rod frame; 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 wedge type sliding cam mechanism comprises a swing frame, a longitudinal adjusting nut, a longitudinal adjusting screw rod, a diagonal slideway and an ejector rod; 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 nut 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 oblique slideway is hinged with the longitudinal adjusting nut, and the other end of the oblique slideway is hinged with the upper plane of the transverse adjusting nut; 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 speed reduction motor drives the transverse adjustment screw rod to rotate in the circumferential direction, so that the transverse adjustment nut moves in a synchronous axial transverse moving mode, the oblique slideway slides in a synchronous axial sliding mode, and the ejector rod moves in a synchronous vertical lifting mode.
Furthermore, in the sliding spiral cam adjusting mechanism, the sliding spiral cam adjusting mechanism further comprises an L-shaped slideway and a locking bolt; the bottom of the L-shaped slideway is fixedly arranged, and the bottom of the ejector rod frame is in sliding connection with the top of the L-shaped slideway; the locking bolt is arranged between the bottom of the ejector rod frame and the top of the L slide way, and the locking bolt is used for fixedly connecting the bottom of the ejector rod frame with the top of the L slide way.
Further, in the sliding spiral cam adjusting mechanism, a cantilever guide rail is arranged at the top of the L-shaped slide way, 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 and the cantilever guide rail; preferably, the ejector rod frame is an integral welding insertion component, and the second sliding bearing made of bronze is embedded in the inner side wall of the sleeve and is coated with lubricating grease.
Furthermore, the sliding spiral cam adjusting mechanism further comprises a swing frame gland, a rolling bearing and a swing hinge ball head; the swing frame gland is arranged at the top of the swing frame, the longitudinal adjusting screw rod is arranged on the inner side of the swing frame in a sliding manner 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 a semi-arc shape, and the longitudinal adjusting screw rod is in wrapping hinge joint 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 head 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 head are coaxially and compositely hinged.
Furthermore, in the above sliding spiral cam adjusting mechanism, a hand wheel is further included, and the hand wheel is fixedly arranged at the top of the longitudinal adjusting spiral rod; the longitudinal adjusting nut is a fine-tooth triangular internal thread; preferably, the thread form angle of the fine triangular internal thread is 60 °.
Furthermore, the sliding spiral cam adjusting mechanism further comprises a sliding hinge ball head, and one end of the sliding hinge ball head is provided with a spherical groove; 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 hinge ball head is in wrapping hinge with a ball head protrusion arranged at the bottom of the ejector rod through the spherical groove; preferably, the sliding hinged ball head is made of tin-phosphor bronze ZCuSn10P1 or tin-bronze CuPb5Sn5Zn5, and extreme pressure lithium-based lubricating grease is coated in the slideway.
Furthermore, the sliding spiral cam adjusting mechanism further comprises a third pin shaft and a fourth pin shaft; the bottom of the swing frame and the other end of the swing hinged 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.
Further, in the above sliding spiral cam adjusting mechanism, the transverse adjusting nut is designed to be of an integral cuboid structure, and the transverse adjusting nut is of a through-long fine-thread internal thread profile.
Furthermore, the sliding spiral cam adjusting mechanism also comprises two groups of bearing seats and a base; the first speed reducing motor is fixedly arranged on the bearing seats on the transmission side, two ends of the transverse adjusting screw rod are respectively and rotatably connected with the two groups of bearing seats, and the bottom of the L-shaped slideway is fixedly arranged above the bearing seats on the non-transmission side; the two groups of bearing blocks are fixedly arranged on the base; preferably, a first sliding bearing is further included, the first sliding bearing being disposed within the bearing housing.
Further, in the sliding screw cam adjusting mechanism, the longitudinal adjusting screw rod is made of 20Cr alloy steel, and the swing hinge ball head is made of tin phosphor bronze ZCuSn10P1 or tin bronze CuPb5Sn5Zn 5.
The analysis shows that the embodiment of the sliding spiral cam adjusting mechanism disclosed by the invention 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 together, can adjust the abscissa and the ordinate of a member to be adjusted on line in real time, and realizes synchronous linear fine adjustment of the member to be adjusted, so that the motion track of the member to be adjusted is changed regularly, and the process requirements of site differentiation are met. The sliding spiral cam adjusting mechanism can meet the process requirement of synchronous linear adjustment of the member to be adjusted through the regular change of the motion track of the sliding spiral cam adjusting mechanism. The sliding spiral cam adjusting mechanism can accurately regulate and control the local motion track of the member to be adjusted, finally influences the track parameter of the downstream actuating mechanism in the member to be adjusted, and meets the actual requirement of site working condition parameters. 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 incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a front view of the pendulum assembly in accordance with an embodiment of the present invention;
FIG. 3 is a left side view of the pendulum assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a jack rod stand according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the motion of an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a lift pin according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a jack stand according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of an inclined ramp according to an embodiment of the present invention;
FIG. 9 is a schematic structural 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 lateral adjustment screw according to an embodiment of the present invention;
FIG. 12 is a schematic structural view of a swing frame according to an embodiment of the present invention;
FIG. 13 is a schematic structural 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 diagram of an L-shaped chute according to an embodiment of the present invention.
Description of reference numerals:
31-a first speed reducing motor, 32-a bearing seat, 321-a first sliding bearing, 33-a transverse adjusting screw rod, 34-a transverse adjusting nut, 341-a third pin shaft, 342-a fourth pin shaft, 35-a swing frame, 351-a swing frame gland, 352-a swing frame beam, 353-a hand wheel, 354-a rolling bearing, 36-a longitudinal adjusting nut, 361-a fifth pin shaft, 37-a longitudinal adjusting screw rod, 38-a swing hinged ball head, 39-a top rod, 391-a sliding hinged ball head, 392-an inclined slideway, 393-a top rod frame, 3931-a locking bolt and 394-L slideway.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, 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 thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only 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 intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
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. may be used interchangeably to distinguish one component from another and are not intended to indicate the position or importance of an individual component.
As shown in fig. 1 to 16, according to an embodiment of the present invention, there is provided a sliding screw cam adjusting mechanism including a sliding screw mechanism, a cam-wedge type sliding cam mechanism, and a jack stand 393; the sliding screw mechanism comprises a first speed reducing motor 31, a transverse adjusting nut 34 and a transverse adjusting screw rod 33, and the wedge type sliding cam mechanism comprises a swinging frame 35, a longitudinal adjusting nut 36, a longitudinal adjusting screw rod 37, a oblique slideway 392 and an ejector rod 39; the output end of the first speed reducing motor 31 is fixedly connected with one end of a transverse adjusting screw rod 33, and a transverse adjusting nut 34 is in threaded connection with the transverse adjusting screw rod 33; 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 nut 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 slideway 392 is hinged with the longitudinal adjusting nut 36, and the other end of the inclined slideway 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 slideway 392, the top of the ejector rod frame 393 is provided with a sleeve, the bottom of the ejector rod frame 393 is fixedly arranged, and the ejector rod 39 is arranged in the sleeve; the first speed reduction motor 31 drives the horizontal adjustment screw rod 33 to rotate circumferentially, so that the horizontal adjustment nut 34 moves transversely in the axial direction synchronously, the inclined slide way 392 slides axially synchronously, and the mandril 39 moves vertically and synchronously.
In the above embodiment, the output end of the first speed reducing motor 31 is fixedly connected to one end of the transverse adjusting screw rod 33, the first speed reducing motor 31 can drive the transverse adjusting screw rod 33 to rotate synchronously, and the transverse adjusting nut 34 is in threaded connection with the transverse adjusting screw rod 33, so that the circumferential rotation of the transverse adjusting screw rod 33 can be converted into the axial transverse movement of the transverse adjusting nut 34. The bottom of the swing frame 35 is hinged to 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 nut 36 is in threaded connection with the longitudinal adjusting screw rod 37, the bottom of the longitudinal adjusting screw rod 37 is hinged to the upper plane of the transverse adjusting nut 34, one end of the inclined slideway 392 is hinged to the longitudinal adjusting nut 36, the other end of the inclined slideway 392 is hinged to the upper plane of the transverse adjusting nut 34, one end of the ejector rod 39 is hinged to the inclined slideway 392, the top of the ejector rod frame 393 is provided with a sleeve, 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 component to be adjusted. When the longitudinal adjusting screw rod 37 is rotated, the longitudinal adjusting screw rod 37 and the swinging frame 35 can synchronously swing left and right by a small amplitude around the upper plane of the transverse adjusting nut 34, and simultaneously the longitudinal adjusting nut 36 is driven to slide up and down along the axis of the longitudinal adjusting screw rod 37, so that the inclined slideway 392 hinged with the longitudinal adjusting nut 36 swings left and right around the upper plane of the transverse adjusting nut 34, the inclined included angle between the inclined slideway 392 and the horizontal plane is finally changed, the ejector rod 39 is pushed to do linear up and down movement, and the synchronous linear fine adjustment of the member to be adjusted is realized through the linear up and down movement of the ejector rod 39, thereby regularly changing the movement track of the member to be adjusted. When the first speed reducing motor 31 works, the first speed reducing motor 31 drives the transverse adjusting screw rod 33 to rotate circumferentially, so that the transverse adjusting nut 34 moves transversely in the axial direction synchronously, the inclined slideway 392 slides axially synchronously, the ejector rod 39 moves vertically and synchronously, synchronous linear fine adjustment of a member to be adjusted can be realized, and the movement track of the member to be adjusted is changed regularly. The sliding spiral cam adjusting mechanism is formed by combining the sliding spiral mechanism and the wedge type sliding cam mechanism together, the vertical coordinate of a component to be adjusted can be adjusted on line in real time, synchronous linear fine adjustment of the component to be adjusted is achieved, the motion track of the component to be adjusted is changed regularly, and the process requirements of site differentiation are met. The sliding spiral cam adjusting mechanism can accurately regulate and control the local motion track of the member to be adjusted, finally influences the track parameter of the downstream actuating mechanism in the member to be adjusted, and meets the actual requirement of site working condition parameters. 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 and superposing the wedge type sliding cam mechanism above the sliding spiral mechanism, and a transverse adjusting nut 34, a transverse adjusting spiral rod 33 and other accessories jointly form the sliding spiral mechanism which is arranged below the adjusting mechanism. The swing frame 35, the inclined slideway 392, the mandril 39 and other related accessories form a wedge type sliding cam mechanism which is superposed above the adjusting mechanism. The sliding screw mechanism and the wedge type sliding cam mechanism are mutually matched to act to adjust the vertical coordinate of the member to be adjusted.
Preferably, as shown in fig. 1, in one embodiment of the present invention, two sets of bearing seats 32 and base 15 are further included; the first speed reducing motor 31 is fixedly arranged on a bearing seat 32 on the transmission side, two ends of a transverse adjusting screw rod 33 are respectively and rotatably connected with the two groups of bearing seats 32, and the two groups of bearing seats 32 are fixedly arranged on the base 15; preferably, a first sliding bearing 321 is also included, the first sliding bearing 321 being disposed within the bearing housing 32. Here, the bearing housing 32 close to the first reduction motor 31 is a drive-side bearing housing 32, and the bearing housing 32 far from the first reduction motor 31 is a non-drive-side bearing housing 32. The sliding helical cam adjusting mechanism can be symmetrically arranged below a member to be adjusted when in use and is integrally arranged on the base 15. The first speed reducing motor 31 can be directly fixed on the bearing seat 32 on the transmission side through a flange, two groups of bearing seats 32 on the transmission side and the non-transmission side are completely the same structural design and are jointly fixed on the base 15, which is convenient for spatial layout and on-site assembly and disassembly, and the radial support and sliding antifriction of the two groups of first sliding bearings 321 are used for driving the circumferential forward and backward rotation of the transverse adjusting screw rod 33, so that the transverse adjusting nut 34 matched with the transverse adjusting nut is enabled to move transversely and linearly in the left-right axial direction, the inclined slide way 392 fixed above the transverse adjusting nut 34 is driven to slide linearly and synchronously in the axial direction, the vertical linear lifting motion of the mandril 39 is driven, and the longitudinal coordinate of a component to be adjusted is changed.
Preferably, as shown in fig. 1 and 16, in one embodiment of the present invention, an L-shaped chute 394 and a locking bolt 3931 are further included; the bottom of the L-shaped slide rail 394 is fixedly arranged, and the bottom of the top rod frame 393 is in sliding connection with the top of the L-shaped slide rail 394; a locking bolt 3931 is provided between the bottom of the top pole frame 393 and the top of the L-shaped chute 394, the locking bolt 3931 serving to fixedly connect the bottom of the top pole frame 393 and the top of the L-shaped chute 394. The bottom of ejector rod frame 393 is connected with the top of L slide 394 in a sliding mode, when ejector rod frame 393 slides on L slide 394, ejector rod 39 can be moved left and right to change the abscissa of ejector rod 39, the abscissa of a member to be adjusted can be adjusted on line in real time, and after adjustment is finished, the bottom of ejector rod frame 393 can be fixedly connected with the top of L slide 394 through locking bolts 3931. The sliding spiral cam adjusting mechanism can adjust the abscissa and the ordinate of the component to be adjusted on line in real time, and realizes synchronous linear fine adjustment of the component to be adjusted, so that the motion track of the component to be adjusted is changed regularly, and the process requirement of field differentiation is met. The sliding spiral cam adjusting mechanism can accurately regulate and control the local motion track of the member to be adjusted, finally influences the track parameter of the downstream actuating mechanism in the member to be adjusted, and meets the actual requirement of site working condition parameters. 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, the top of the L-shaped chute 394 is provided with a cantilever rail, and the bottom of the top pole frame 393 is of a concave structure; the concave structure is integrally coated on the cantilever guide rail, the locking bolt 3931 is arranged between the concave structure and the cantilever guide rail, and the locking bolt 3931 is used for fixedly connecting the concave structure and the cantilever guide rail; preferably, the ejector rod frame 393 is an integral welding insertion component, the top of the ejector rod frame 393 is designed with a sleeve, a second sliding bearing made of bronze is embedded in the inner side wall of the sleeve, lubricating grease is coated on the inner side wall of the sleeve to reduce friction, the ejector rod frame 393 is movably matched with the ejector rod 39, and the transverse left-right movement freedom degree of the ejector rod 39 is restrained. Here, the bottom of the L-shaped slideway 394 is fixedly arranged above the bearing seat 32 on the non-transmission side, the bottom of the ejector rod frame 393 is designed to be of a concave structure, the L-shaped slideway 394 cantilever guide rail is integrally coated with lubricating grease, the matching surfaces of the L-shaped slideway 394 and the cantilever guide rail are coated with lubricating grease, so that the ejector rod frame 393 can manually adjust the transverse positioning parameters of the L-shaped slideway 394 and is finally fixed through the locking bolt 3931, and the abscissa of a component to be adjusted is changed.
Preferably, as shown in fig. 1 to 3, in an embodiment of the present invention, the present invention further includes a swing frame gland 351, a rolling bearing 354 and a swing hinge ball 38; the swing frame gland 351 is arranged at the top of the swing frame 35, the longitudinal adjusting screw rod 37 is arranged at the inner side of the swing frame 35 in a sliding manner through a rolling bearing 354 fixed in the swing frame gland 351, the bottom of the longitudinal adjusting screw rod 37 is provided with an arc surface bulge, the central arc of the arc surface bulge is a semi-arc shape, and the longitudinal adjusting screw rod 37 is in wrapping hinge joint with an arc surface groove at one end of the swing hinge ball 38 through the arc 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, 10 to 14, in an embodiment of the present invention, the transverse adjusting nut 34 is designed as an integral rectangular parallelepiped structure, and forms a sliding screw pair by matching a full-length thread internal thread profile turned on an end surface thereof with the transverse adjusting screw rod 33. The upper plane of the transverse adjusting nut 34 is designed with two groups of fixed hinge pairs, one group is used for hinging the inclined slideway 392, and the other group is combined with the hinged swinging frame 35 and the swinging hinged ball 38. The inner side of the swing frame 35 is assembled 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 rigid integral component capable of swinging. 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 swinging and hinging ball head 38, 360-degree omnibearing rotation freedom degree is achieved, the swinging and hinging ball head 38 is made of tin-phosphor bronze ZCuSn10P1, good abrasion resistance and friction reduction performance is achieved, the radial and axial supporting effect of a thrust sliding bearing is achieved, additional virtual constraint is provided for the longitudinal adjusting screw rod 37, the stress condition of the longitudinal adjusting screw rod is improved, local unbalance loading deformation is prevented, the longitudinal adjusting screw rod 37 can synchronously swing left and right along with the swing frame 35 and the longitudinal adjusting screw rod 37, and a group of swinging three-in-one components is formed.
As shown in fig. 5, in terms of spatial kinematics design, most of 6 of the swing frame 35, the longitudinal adjusting screw rod 37, the longitudinal adjusting nut 36, the swinging hinge ball 38, the oblique slide 392, and the transverse adjusting nut 34 of the upper half of the sliding spiral cam adjusting mechanism are combined together to form a typical planar link guide bar mechanism in mechanical design, the upper plane of the transverse adjusting nut 34 is the planar link guide bar mechanism carrier platform, a third pin 341 is designed on the upper plane of the planar link guide bar mechanism carrier platform, so that the swing frame 35, the longitudinal adjusting screw rod 37, and the swinging hinge ball 38 are coaxially and compositely hinged, and form a planar II-level lever group with a spatial degree of freedom of 0 after being screwed with the longitudinal adjusting nut 36, and are rotatably hinged with the oblique slide 392 serving as an I-level mechanism through a fifth pin 361, the oblique slide 392 is hinged with the upper plane of the transverse adjusting nut 34 through a fourth pin 342 to form a planar link swinging mechanism with a spatial degree of freedom of 1 together, wherein the ramp 392 is a non-circular wedge cam.
Preferably, as shown in fig. 1 and 15, in an embodiment of the present invention, a hand wheel 353 is further included, and the hand wheel 353 is fixedly disposed on the top of the longitudinal adjustment screw rod 37; the longitudinal adjusting nut 36 is a fine-tooth triangular internal thread; preferably, the profile angle of the fine triangular internal thread is 60 °. Preferably, in an embodiment of the present invention, the present invention further includes a third pin 341 and a fourth pin 342; 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 a third pin 341; the other end of the inclined slide 392 is hinged to the upper surface of the lateral adjustment nut 34 by a fourth pin 342.
In the above embodiment, the longitudinal adjusting nut 36 in the swing frame 35 adopts a 60 ° fine triangular internal thread with a large equivalent friction coefficient and a good tooth profile self-locking property, and is engaged with the longitudinal adjusting screw rod 37 to be movable up and down along the axis thereof. The longitudinal adjusting nut 36 is provided with a set of fixed hinge pairs on its side to hinge with the inclined slide 392. When the hand wheel 353 is manually operated to rotate, the longitudinal adjusting screw rod 37 synchronously rotates in the circumferential direction, so that a triple coaxial composite hinge component formed by the swinging hinge ball 38, the longitudinal adjusting screw rod 37 and the swing frame 35 synchronously swings left and right by a small amplitude around the third pin 341, and simultaneously drives the longitudinal adjusting nut 36 to slide up and down along the axis of the longitudinal adjusting screw rod 37, so that the inclined slide way 392 hinged with the longitudinal adjusting nut 36 swings left and right around the fourth pin 342 at the fixed hinge point on the transverse adjusting nut 34, the inclined included angle between the inclined slide way 392 and the horizontal plane is finally changed, and the push rod 39 is pushed to move up and down linearly.
Preferably, as shown in fig. 8 and 9, in an embodiment of the present invention, the present invention further comprises a sliding hinge ball 391, one end of the sliding hinge ball 391 is provided with a spherical groove; the upper surface of the inclined slideway 392 is provided with a slideway with a groove structure, and the other end of the sliding hinged ball head 391 is embedded into the slideway; the sliding hinge ball 391 is wrapped and hinged with a ball protrusion arranged at the bottom of the mandril 39 through a spherical groove. A chute with a groove structure is milled on the upper surface of the inclined chute 392, and the other end of the sliding hinge ball head 391 is embedded into the groove chute and can slide linearly along the groove chute. In order to reduce friction retardation, the sliding hinged ball head 391 is made of tin-zinc-lead bronze, and extreme pressure lithium-based lubricating grease is coated in the groove of the inclined slideway 392. One end of the sliding hinged ball head 391 is provided with a spherical groove and is wrapped and hinged with a ball head bulge at the bottom of the push rod 39 by 360 degrees, and when the sliding hinged ball head 391 slides along the oblique slide way 392 in an oblique line, the push rod 39 can be pushed to do vertical up-and-down lifting movement under the restriction of the transverse displacement of the push rod frame 393.
Preferably, as shown in fig. 6 to 16, in an embodiment of the present invention, the top rod 39 is a three-in-one assembled structure, the bottom of the top rod 39 is rotatably fitted with a ball protrusion to match with the sliding hinge ball 391, the top of the top rod 39 is rotatably fitted with a circular pressure plate to match with the member to be adjusted, and when in use, the top rod 39 is fixedly connected with the member to be adjusted through the circular pressure plate at the top, so that the member to be adjusted and the top rod 39 are connected into a rigid integral member. The device is used for ensuring the accuracy and convenience of field installation and positioning.
The invention provides two regulation and control schemes which can achieve the purpose of regulating a member to be regulated, and the vertical coordinate of the member to be regulated can be automatically regulated and controlled in real time by means of intermittent forward and reverse rotation of the first speed reducing motor 31 through an electromagnetic induction switch arranged on the site; the horizontal coordinate of the member to be adjusted needs manual intervention to adjust the position of the ejector rod frame 393 on the L-shaped slideway 394, and which adjustment scheme is specifically selected can be selected according to the actual working condition of the site. Preferably, in an embodiment of the present invention, the L-shaped sliding channel 394 and the bottom of the top bar frame 393 are designed to be a sliding screw pair structure, and a reduction motor and a corresponding electromagnetic induction switch are configured, so that the on-line automatic real-time control of the abscissa of the member to be adjusted can also be realized. Therefore, the sliding spiral cam adjusting mechanism can adjust the transverse coordinates and the longitudinal coordinates of the component to be adjusted on line in real time, and realizes synchronous linear fine adjustment of the component to be adjusted, so that the motion track of the component to be adjusted is changed regularly, and the process requirement of field differentiation is met.
The sliding spiral cam adjusting mechanism is characterized in that the sliding friction parts related to the sliding spiral cam adjusting mechanism are made of bronze materials with sufficient rigidity, strength, wear resistance and wear reduction, extreme pressure lithium-based lubricating ester is coated on the bronze materials, the friction resistance is reduced, the friction power loss of a system is reduced, and the operation flexibility is improved. Considering the actual working conditions of high-temperature, low-speed and intermittent transmission on site and the good machining process performance of materials, the tin phosphor bronze ZCuSn10P1 and the tin bronze CuPb5Sn5Zn5 with good antifriction performance are preferably selected, and the material has the remarkable characteristics of low hardness, high plasticity, small elastic modulus, good running-in performance, compliance and embedding performance and high compressive and impact load fatigue strength. If limited by market supply and manufacturing cost, the material ZCuAl10Fe3 with higher mechanical strength and wear resistance can be adopted instead. The details of the bronze spare parts are as follows: a first slide bearing 321 in the bearing seat 32, a swing articulation ball 38 in the swing frame 35, and a slide articulation ball 391 in the ramp 392.
From the above description, it can be seen that the above-described embodiments of the present invention achieve 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 together, can adjust the abscissa and the ordinate of a member to be adjusted on line in real time, and realizes synchronous linear fine adjustment of the member to be adjusted, so that the motion track of the member to be adjusted is changed regularly, and the process requirements of site differentiation are met. The sliding spiral cam adjusting mechanism can meet the process requirement of synchronous linear adjustment of the member to be adjusted through the regular change of the motion track of the sliding spiral cam adjusting mechanism. The sliding spiral cam adjusting mechanism can accurately regulate and control the local motion track of the member to be adjusted, finally influences the track parameter of the downstream actuating mechanism in the member to be adjusted, and meets the actual requirement of site working condition parameters. 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 changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A sliding spiral cam adjusting mechanism is characterized by comprising a sliding spiral mechanism, a wedge type sliding cam mechanism and a top rod frame;
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 wedge type sliding cam mechanism comprises a swing frame, a longitudinal adjusting nut, a longitudinal adjusting screw rod, a diagonal slideway and an ejector rod;
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 nut 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 oblique slideway is hinged with the longitudinal adjusting nut, and the other end of the oblique slideway is hinged with the upper plane of the transverse adjusting nut;
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 speed reduction motor drives the transverse adjustment screw rod to rotate in the circumferential direction, so that the transverse adjustment nut moves in a synchronous axial transverse moving mode, the oblique slideway slides in a synchronous axial sliding mode, and the ejector rod moves in a synchronous vertical lifting mode.
2. The sliding spiral cam adjustment mechanism of claim 1, further comprising an L-shaped slide and a locking bolt;
the bottom of the L-shaped slideway is fixedly arranged, and the bottom of the ejector rod frame is in sliding connection with the top of the L-shaped slideway;
the locking bolt is arranged between the bottom of the ejector rod frame and the top of the L slide way, and the locking bolt is used for fixedly connecting the bottom of the ejector rod frame with the top of the L slide way.
3. The sliding spiral cam adjustment mechanism of claim 2, wherein a cantilever guide rail is provided at the top of the L-shaped slide way, 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 and the cantilever guide rail;
preferably, the ejector rod frame is an integral welding insertion component, and the second sliding bearing made of bronze is embedded in the inner side wall of the sleeve and is coated with lubricating grease.
4. The sliding spiral cam adjustment mechanism of claim 1, further comprising a rocker gland, a rolling bearing, and a swing hinge ball head;
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 a semi-arc shape, and the longitudinal adjusting screw rod is in cladding hinge 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 head 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 head are coaxially and compositely hinged.
5. The sliding spiral cam adjustment mechanism of claim 1, further comprising a hand wheel fixedly disposed on top of the longitudinal adjustment spiral rod;
the longitudinal adjusting nut is a fine-tooth triangular internal thread;
preferably, the thread form angle of the fine triangular internal thread is 60 °.
6. The sliding spiral cam adjustment mechanism of claim 1, further comprising a sliding articulation ball having a spherical groove disposed at one end;
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 hinge ball head is in wrapping hinge with a ball head protrusion arranged at the bottom of the ejector rod through the spherical groove;
preferably, the sliding hinged ball head is made of tin-phosphor bronze ZCuSn10P1 or tin-bronze CuPb5Sn5Zn5, and extreme pressure lithium-based lubricating grease is coated in the slideway.
7. The sliding spiral 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 hinged 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 spiral cam adjustment mechanism of claim 1, wherein the lateral adjustment nut is of a monolithic cuboid structural design and is of a full-length fine-pitch internal thread profile.
9. The sliding spiral cam adjustment mechanism of claim 2, further comprising two sets of bearing blocks and a base;
the first speed reducing motor is fixedly arranged on the bearing seats on the transmission side, two ends of the transverse adjusting screw rod are respectively and rotatably connected with the two groups of bearing seats, and the bottom of the L-shaped slideway is fixedly arranged above the bearing seats on the non-transmission side;
the two groups of bearing blocks are fixedly arranged on the base;
preferably, a first sliding bearing is further included, the first sliding bearing being disposed within the bearing housing.
10. The sliding spiral cam adjustment mechanism of claim 4 wherein the longitudinal adjustment screw rod is made of 20Cr alloy steel and the swinging articulated ball head is made of Sn-P-bronze ZCuSn10P1 or Sn-bronze CuPb5Sn5Zn 5.
CN202110578991.1A 2021-05-26 2021-05-26 A sliding spiral cam adjustment mechanism Active CN113175513B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0419925A1 (en) * 1989-09-23 1991-04-03 Robert Bosch Gmbh Adjusting device with electric motor
EP1980359A1 (en) * 2007-04-14 2008-10-15 MiniTec Maschinenbau GmbH & Co. KG Adjustment unit
CN101975258A (en) * 2010-11-02 2011-02-16 北京联合大学 Nut slide block type displacement adjusting mechanism
CN104048011A (en) * 2014-06-03 2014-09-17 常熟市百福机械有限公司 Lifting driving device of industrial sewing machine stand
DE202013102643U1 (en) * 2013-06-19 2014-09-23 Limoss Gmbh & Co. Kg Adjustment mechanism for adjusting movable furniture parts
CN212330098U (en) * 2020-04-22 2021-01-12 绍兴新锐大进焊接设备有限公司 Welding row device used in welding machine
CN213235976U (en) * 2020-07-28 2021-05-18 天津市津精减速机有限公司 Shaft position adjusting device for lead screw
CN214888685U (en) * 2021-05-26 2021-11-26 山东钢铁股份有限公司 A sliding helical cam adjustment mechanism

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0419925A1 (en) * 1989-09-23 1991-04-03 Robert Bosch Gmbh Adjusting device with electric motor
EP1980359A1 (en) * 2007-04-14 2008-10-15 MiniTec Maschinenbau GmbH & Co. KG Adjustment unit
CN101975258A (en) * 2010-11-02 2011-02-16 北京联合大学 Nut slide block type displacement adjusting mechanism
DE202013102643U1 (en) * 2013-06-19 2014-09-23 Limoss Gmbh & Co. Kg Adjustment mechanism for adjusting movable furniture parts
CN104048011A (en) * 2014-06-03 2014-09-17 常熟市百福机械有限公司 Lifting driving device of industrial sewing machine stand
CN212330098U (en) * 2020-04-22 2021-01-12 绍兴新锐大进焊接设备有限公司 Welding row device used in welding machine
CN213235976U (en) * 2020-07-28 2021-05-18 天津市津精减速机有限公司 Shaft position adjusting device for lead screw
CN214888685U (en) * 2021-05-26 2021-11-26 山东钢铁股份有限公司 A sliding helical cam adjustment mechanism

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