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CN-121973039-A - Steel javelin machining device and machining method

CN121973039ACN 121973039 ACN121973039 ACN 121973039ACN-121973039-A

Abstract

The invention discloses a steel javelin processing device and a processing method, and relates to the technical field of javelin processing equipment, and the steel javelin processing device comprises a processing pedestal, wherein one end of the upper part of the processing pedestal is provided with a fixed seat, the inside of the fixed seat is provided with a top sleeve component, the other end of the upper part of the processing pedestal is provided with a first linear module, a movable seat is arranged on the first linear module, the inside of the movable seat is provided with a centering clamping component, the outside of the movable seat is provided with a rotary driving component, and the rotary driving component is connected with the centering clamping component; the upper portion of processing pedestal still is provided with the straight line module of second, is provided with reciprocating drive assembly on the straight line module of second, and reciprocating drive assembly's top is provided with the subassembly of polishing. According to the steel javelin processing device and the steel javelin processing method, the variable inner diameter top sleeve assembly and the linkage type centering clamping assembly are adopted, automatic centering, self-adaptive jacking and synchronous clamping of two ends of the javelin are achieved, clamping coaxiality is high, and rotary eccentricity is avoided.

Inventors

  • CAO SHILONG

Assignees

  • 河北飞宇体育发展有限公司

Dates

Publication Date
20260505
Application Date
20260401

Claims (10)

  1. 1. The steel javelin machining device is characterized by comprising a machining pedestal, wherein a fixed seat is arranged at one end of the upper part of the machining pedestal, a top sleeve component is arranged in the fixed seat, a first linear module is arranged at the other end of the upper part of the machining pedestal, a movable seat is arranged on the first linear module, a centering clamping component is arranged in the movable seat, a rotary driving component is arranged outside the movable seat, and the rotary driving component is connected with the centering clamping component; The upper portion of processing pedestal still is provided with the straight line module of second, be provided with reciprocating drive subassembly on the straight line module of second, reciprocating drive subassembly's top is provided with the subassembly of polishing, the subassembly of polishing is embraced at the work piece surface of processing.
  2. 2. The steel javelin machining device according to claim 1, wherein the top sleeve assembly comprises a rotating sleeve arranged in the fixed seat, a long hole is formed in the rotating sleeve, the long hole is of a variable inner diameter structure, and the long hole is used for accommodating one end of the machined workpiece; The rotating sleeve is connected to the central position of the fixing seat through a rotating piece.
  3. 3. The steel javelin machining device according to claim 2, wherein the centering clamping assembly comprises a cylindrical seat, a cylindrical cavity is formed in the center of the cylindrical seat, special-shaped cavities are symmetrically formed in two sides of the cylindrical cavity, a limiting ring is arranged at the joint of the special-shaped cavities and the front end of the cylindrical cavity, a centering opening is formed in the front end of the limiting ring, and the centering opening is used for accommodating the other end of the machined workpiece; The cylindrical cavity is internally and slidably connected with a jacking rod, one end of the jacking rod extends into the limiting ring, the other end of the jacking rod penetrates through the auxiliary plate and is fixedly connected with the output end of a first driving piece, and the first driving piece is fixedly arranged at the bottom end of the cylindrical cavity; The two ends of the jacking rod are symmetrically provided with transmission units, and the transmission units are arranged in the special-shaped cavity.
  4. 4. The steel javelin machining device according to claim 3, wherein the transmission unit comprises transmission wings connected to the side ends of the tightening rod, two transmission plates are symmetrically arranged on two sides of each transmission wing, a linkage short hole and a transmission long hole are formed in each transmission plate, two transmission buttons are symmetrically arranged on two sides of each transmission wing, and the transmission buttons are correspondingly arranged in the transmission long holes; One end of each of the two transmission plates is connected to the first rotating shaft, a linkage plate is arranged between the other ends of the two transmission plates, the center position of the linkage plate is penetrated by the second rotating shaft, two linkage buttons are symmetrically arranged on two sides of the linkage plate, and the linkage buttons are correspondingly arranged in the transmission short holes; the two ends of the first rotating shaft and the second rotating shaft are fixedly connected to the side wall of the special-shaped cavity.
  5. 5. The steel javelin machining device of claim 4, wherein one end of the linkage plate is connected with a roller, and the roller is contacted with an outer curved surface of the driving wing and rolls along the outer curved surface; the other end of linkage board is connected with the one end hinge of branch, the other end and the grip block fixed connection of branch, the grip block sets up to the arc structure.
  6. 6. The steel javelin machining device of claim 5, wherein the rotary driving assembly comprises a second driving piece arranged outside the movable seat, an output end of the second driving piece is fixedly connected with the cylindrical seat, and the second driving piece is arranged on the movable seat through a connecting plate; The movable seat is rotationally connected with the cylindrical seat through a second rotating piece.
  7. 7. The steel javelin machining device according to claim 6, wherein the reciprocating driving assembly comprises a box body, a supporting block is arranged in the box body, a mounting plate is arranged above the supporting block, a round opening is formed in the center position of the mounting plate, a rotating plate is arranged in the round opening, the rotating plate is rotationally connected with the mounting plate through a rotating piece III, a transmission column is arranged at one side of the rotating plate, close to the outer edge, and is arranged in a transmission frame, two moving rods are symmetrically connected to two sides of the transmission frame, and the moving rods are connected with the polishing assembly through vertical rods; Two moving sleeves are symmetrically arranged on one side of the mounting plate, the moving sleeves are penetrated by the moving rod and are in sliding connection with the moving rod, a driving piece III is arranged on the other side of the mounting plate, the output end of the driving piece III is fixedly connected to the center position of the other side of the rotating plate, and the driving piece III is fixed on the supporting block.
  8. 8. The steel javelin machining device according to claim 7, wherein the polishing assembly comprises a fixed sleeve connected to the top end of the vertical rod, a receiving sleeve is arranged in the fixed sleeve, a plurality of polishing plates are arranged in the receiving sleeve, the outer sides of the polishing plates are hinged with one end of a connecting rod, the other end of the connecting rod penetrates through the receiving sleeve and is in sliding connection with a limiting sleeve, and the limiting sleeve is fixed on the inner side of the fixed sleeve; An elastic piece is sleeved outside the connecting rod, one end of the elastic piece is fixedly connected with the end part of the connecting rod, and the other end of the elastic piece is fixedly connected with the inner side of the bearing sleeve; the bearing sleeve is fixedly connected with two ends of the fixing sleeve through end plates.
  9. 9. The steel javelin machining device of claim 8, wherein the polishing plate is of an arc-shaped structure, and a polishing layer is arranged on the inner side surface of the polishing plate.
  10. 10. A method of using a steel javelin machining apparatus as claimed in any one of claims 1 to 9, comprising the steps of: S1, an operator horizontally conveys a processed workpiece to a processing pedestal, so that a javelin gun tail penetrates through a polishing assembly to extend into the long hole, the long hole with the variable inner diameter is attached to the conical surface of the javelin gun tail, and preliminary centering of the javelin gun tail is completed; S2, starting a first linear module, wherein the first linear module drives the movable seat and the centering clamping assembly to move towards the fixed seat until the gun head end of the javelin stretches into a centering opening at the front end of the limiting ring, and thus axial positioning of the two ends of the javelin is completed; s3, starting a first driving part, wherein the first driving part pushes a pushing rod to axially move along a cylindrical cavity towards the javelin direction, the front end of the pushing rod pushes against the javelin end face to realize axial pushing positioning, and driving a transmission wing to synchronously move in the moving process of the pushing rod, so that a transmission button on the transmission wing moves along a transmission long hole on a transmission plate to drive the transmission plate to swing around a first rotating shaft; S4, after clamping is completed, starting a driving piece II, wherein the driving piece II drives the column seat, the centering clamping assembly and the javelin to integrally rotate around the axis at a uniform speed, and the rotating sleeve synchronously and freely rotates along with the javelin; s5, starting a second linear module, wherein the second linear module drives the reciprocating driving assembly and the polishing assembly to axially move along the javelin, so that the polishing assembly moves to a starting position of the javelin to be polished, and under the elastic action of the elastic piece, the connecting rod pushes the polishing plate to be always pressed towards the center; S6, starting a driving piece III, driving the rotating plate III to rotate, driving a transmission column on the rotating plate to move along a transmission frame, and driving the transmission frame, a moving rod, a vertical rod and a polishing assembly to do periodic reciprocating motion; S7, after polishing is completed, sequentially stopping the third driving piece, the second driving piece and the second linear module, and resetting the polishing assembly to an initial position; S8, starting the driving piece I to reversely move, wherein the driving piece I drives the jacking rod to retract backwards, and the transmission wing synchronously resets; And S9, the first linear module drives the movable seat and the centering clamping assembly to move in a direction away from the fixed seat to provide a space for taking out the javelin, and an operator withdraws the javelin tail from the long hole with the variable inner diameter of the rotary sleeve to finish javelin unloading and enter the next javelin processing cycle.

Description

Steel javelin machining device and machining method Technical Field The invention relates to the technical field of javelin processing equipment, in particular to a steel javelin processing device and a processing method. Background The steel javelin is of a slender reducing rod piece structure, and the quality, straightness and coaxiality of the surface of the javelin body directly influence the usability and flight stability of the javelin. Meanwhile, the existing clamping mechanism is mainly used for positioning and manually clamping in a sectional mode, the clamping efficiency is low, the centering precision is poor, eccentricity and runout are easily caused in the rotary grinding process of the javelin, and the machining consistency is difficult to ensure. In addition, the motion of bearing and grinding machanism in traditional grinding device is asynchronous, easily produces relative friction, causes the surface scratch of rifle body, and can't realize self-adaptation to compress tightly and encircle polishing with the whole week. Disclosure of Invention The invention aims to provide a steel javelin processing device and a processing method, which solve the problems in the background technology. In order to achieve the above purpose, the invention provides a steel javelin processing device, which comprises a processing pedestal, wherein a fixed seat is arranged at one end of the upper part of the processing pedestal, a top sleeve component is arranged in the fixed seat, a first linear module is arranged at the other end of the upper part of the processing pedestal, a movable seat is arranged on the first linear module, a centering clamping component is arranged in the movable seat, a rotary driving component is arranged outside the movable seat, and the rotary driving component is connected with the centering clamping component; The upper portion of processing pedestal still is provided with the straight line module of second, be provided with reciprocating drive subassembly on the straight line module of second, reciprocating drive subassembly's top is provided with the subassembly of polishing, the subassembly of polishing is embraced at the work piece surface of processing. Preferably, the top sleeve assembly comprises a rotating sleeve arranged in the fixing seat, a long hole is formed in the rotating sleeve, the long hole is of a variable inner diameter structure, and the long hole is used for accommodating one end of the processing workpiece; The rotating sleeve is connected to the central position of the fixing seat through a rotating piece. Preferably, the centering clamping assembly comprises a cylindrical seat, a cylindrical cavity is formed in the central position of the cylindrical seat, special-shaped cavities are symmetrically formed in two sides of the cylindrical cavity, a limiting ring is arranged at the joint of the special-shaped cavities and the front end of the cylindrical cavity, a centering opening is formed in the front end of the limiting ring, and the centering opening is used for accommodating the other end of the machined workpiece; The cylindrical cavity is internally and slidably connected with a jacking rod, one end of the jacking rod extends into the limiting ring, the other end of the jacking rod penetrates through the auxiliary plate and is fixedly connected with the output end of a first driving piece, and the first driving piece is fixedly arranged at the bottom end of the cylindrical cavity; The two ends of the jacking rod are symmetrically provided with transmission units, and the transmission units are arranged in the special-shaped cavity. Preferably, the transmission unit comprises a transmission wing connected to the side end of the tightening rod, two transmission plates are symmetrically arranged on two sides of the transmission wing, a linkage short hole and a transmission long hole are formed in each of the two transmission plates, two transmission buttons are symmetrically arranged on two sides of the transmission wing, and the transmission buttons are correspondingly arranged in the transmission long holes; One end of each of the two transmission plates is connected to the first rotating shaft, a linkage plate is arranged between the other ends of the two transmission plates, the center position of the linkage plate is penetrated by the second rotating shaft, two linkage buttons are symmetrically arranged on two sides of the linkage plate, and the linkage buttons are correspondingly arranged in the transmission short holes; the two ends of the first rotating shaft and the second rotating shaft are fixedly connected to the side wall of the special-shaped cavity. Preferably, one end of the linkage plate is connected with a roller, and the roller is contacted with the outer curved surface of the transmission wing and rolls along the outer curved surface; the other end of linkage board is connected with the one end hinge of branch, the other end and the grip