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CN-121988635-A - Automatic matching straightener for shaft workpieces

CN121988635ACN 121988635 ACN121988635 ACN 121988635ACN-121988635-A

Abstract

The invention relates to the technical field of straightening equipment and discloses an automatic matching straightening machine for shaft workpieces, which comprises a machine body, wherein a plurality of linear sliding rails for a plurality of mechanisms to linearly move are arranged on the machine body, strip tooth grooves matched with a moving gear are formed in two sides of the interior of the machine body, a PLC (programmable logic controller) control cabinet for calculating data information of the input shaft workpieces and generating control signals is arranged on one side of the machine body, and the PLC control cabinet controls all the mechanisms on the machine body in the operation process. Through increasing and setting up removal detection mechanism, when carrying out the alignment processing to axle class work piece, this mechanism not only adopts lever detection structure, can closely laminate axle class work piece surface, sensitively catches the bending deformation information of work piece, realizes the accurate collection of deflection, avoids subjectivity and the error of manual detection, but also can follow the linear slide rail and realize full length removal detection, covers each position of axle class work piece, stops the condition that the deformation position was missed to examine.

Inventors

  • KONG QINGAN
  • TIAN YU
  • ZHAO GUO
  • KONG FANQI
  • LIU HANZE

Assignees

  • 滕州市尚大自动化装备有限公司

Dates

Publication Date
20260508
Application Date
20260408

Claims (10)

  1. 1. An automatic matching straightener for shaft workpieces is characterized by comprising, The machine body (1), the machine body (1) is provided with a plurality of linear slide rails (7) for a plurality of mechanisms to linearly move, and the two sides of the interior of the machine body (1) are provided with strip tooth grooves matched with the moving gears; A PLC control cabinet (6) for calculating the data information of the input shaft type workpiece and generating a control signal is arranged on one side of the machine body (1), and the PLC control cabinet (6) controls each mechanism on the machine body (1) in the running process; the movable supporting mechanism (3) is arranged on the machine body (1) and is used for supporting and assisting in moving the shaft workpiece during straightening treatment; the center driving mechanism (5) is arranged on the machine body (1) and is used for performing center positioning and driving treatment on the center of one end of the shaft workpiece; The center driven mechanism (2) is arranged on the machine body (1) and is used for performing center positioning and driven treatment on the center of the circle at the other end of the shaft workpiece; a plurality of movement detection mechanisms (8) which are arranged on the machine body (1) and are used for carrying out movement detection processing on the straightness of the shaft workpiece; and the workpiece straightening mechanism (4) is arranged in the middle of the machine body (1) and is used for straightening the detected shaft workpieces.
  2. 2. The automatic matching straightener for shaft workpieces according to claim 1, wherein the movable supporting mechanism (3) comprises a fourth movable base (301), the fourth movable base (301) is arranged on the linear sliding rail (7), a supporting seat (302) is fixedly connected to the top of the fourth movable base (301), and a V-shaped groove (303) for supporting and positioning the shaft workpieces is formed in the top of the supporting seat (302).
  3. 3. The automatic matching straightener for shaft workpieces according to claim 1, characterized in that the center driving mechanism (5) comprises a first movable base (514), one side, close to the PLC control cabinet (6), of the linear sliding rail (7) is provided with the first movable base (514), one side, close to the bottom, of the first movable base (514) is provided with a first movable gear (501) for driving the first movable base (514) to linearly move on the machine body (1), one corner of the top of the first movable base (514) is provided with a first speed reducer (503), the power output end of the first speed reducer (503) is connected with the middle part of the first movable gear (501), the top of the first speed reducer (503) is provided with a first servo motor (502), and the power input end of the first servo motor (502) is connected with the power input end of the first speed reducer (503).
  4. 4. The automatic matching straightener for shaft workpieces according to claim 3, wherein the center driving mechanism (5) further comprises a first sliding rail moving seat (513), the middle of the top end of the first moving seat (514) is slidably connected with the first sliding rail moving seat (513), the middle of the top end of the first sliding rail moving seat (513) is slidably connected with a first height adjusting part, the middle upper part of one side of the first height adjusting part is rotatably connected with a first center seat (509), one side of the first sliding rail moving seat (513) far away from the first speed reducer (503) is provided with a first ball screw (506) for controlling the position of the first height adjusting part, the first ball screw (506) is provided with a second speed reducer (508), the power output end of the second speed reducer (508) is connected with one end of the first ball screw (506), the second speed reducer (508) is provided with a second servo motor (507), and the power output end of the second servo motor (507) is connected with the power input end of the second speed reducer (508).
  5. 5. The automatic matching straightener for shaft workpieces according to claim 4, wherein the center driving mechanism (5) further comprises a first clamping cylinder (504), a middle part of one side of the top end of the first movable base (514) is provided with the first clamping cylinder (504), a rod body of the first clamping cylinder (504) is connected with a corresponding position of the first sliding rail movable base (513), a coupler (512) is arranged on one side of the first height adjusting part, which is far away from the first center base (509), one end of the coupler (512) is connected with the middle part of the first center base (509), a sixth speed reducer (511) is arranged on the other end of the coupler (512), a power output end of the sixth speed reducer (511) is connected with a power input end of the coupler (512), a third servo motor (510) is connected to the power input end of the sixth speed reducer, a first lifting cylinder (505) is arranged on the middle lower part of one side of the first sliding rail movable base (513), and the first lifting cylinder (505) is connected with the corresponding position of the first height adjusting part.
  6. 6. The automatic matching straightener for shaft workpieces according to claim 1, wherein the center driven mechanism (2) comprises a second movable base (211), the second movable base (211) is connected to the linear sliding rail (7) in a sliding manner, a second movable gear (201) is arranged at one corner of the bottom end of the second movable base (211), a third speed reducer (203) is arranged at one corner of the top end of the second movable base (211), the power output end of the third speed reducer (203) is connected with the middle part of the second movable gear (201), a fourth servo motor (202) is arranged at the top of the third speed reducer (203), and the power output end of the fourth servo motor (202) is connected with the power input end of the third speed reducer (203).
  7. 7. The automatic matching straightener for shaft workpieces according to claim 6, wherein the center driven mechanism (2) further comprises a second sliding rail moving seat (210), the middle part of the top end of the second moving seat (211) is slidably connected with the second sliding rail moving seat (210), the middle part of the top end of the second sliding rail moving seat (210) is slidably connected with a second height adjusting part, and the middle upper part of one side of the second height adjusting part is rotatably connected with the second center seat (209).
  8. 8. The automatic matching straightener for shaft workpieces according to claim 7, wherein the center driven mechanism (2) further comprises a ball screw two (206), a ball screw two (206) for adjusting the height of the second height adjusting part is arranged on one side of the second sliding rail moving seat (210), one end of the ball screw two (206) is connected with a power output end of a fourth speed reducer (208), a fifth servo motor (207) is arranged on the fourth speed reducer (208), the power output end of the fifth servo motor (207) is connected with a power input end of the fourth speed reducer (208), a second lifting cylinder (205) is arranged at the middle lower part of one side of the second sliding rail moving seat (210), a rod body of the second lifting cylinder (205) is connected with a corresponding position of the second height adjusting part, a second clamping cylinder (204) is arranged on the top side of the second moving seat (211), and the rod body of the second clamping cylinder (204) is connected with a corresponding position of the second moving seat (211).
  9. 9. The automatic matching straightener for shaft workpieces according to claim 1, wherein the movement detection mechanism (8) comprises a movement base three (804), the linear slide rail (7) is slidably connected with the movement base three (804), a movement gear three (801) is arranged on one side of the bottom end of the movement base three (804), a speed reducer five (803) is arranged on one side of the top of the movement base three (804), a power output end of the speed reducer five (803) is connected with the middle part of the movement gear three (801), a servo motor six (802) is arranged on the speed reducer five (803), a power output end of the servo motor six (802) is connected with a power input end of the speed reducer five (803), a mounting rod (805) is arranged in the middle of the top end of the movement base three (804), a connecting shaft seat (807) is arranged on one side of the top of the mounting rod (805), a detection rod (806) is arranged in the middle of one side of the connecting shaft seat, a displacement sensor 808 is arranged in the middle of the other side of the connecting shaft seat (807), and a displacement sensor 808 is arranged in the middle of the connecting shaft seat (807), and the displacement sensor is used for generating displacement information for a displacement control cabinet (6).
  10. 10. The automatic matching straightening machine for shaft workpieces according to claim 1, wherein the workpiece straightening mechanism (4) comprises a mounting seat (403), the top of the machine body (1) is provided with the mounting seat (403), support columns (401) are arranged at four corners of the bottom end of the mounting seat (403), the bottom ends of the support columns (401) are respectively connected with corresponding positions of the machine body (1), a hydraulic cylinder (404) is arranged in the middle of the mounting seat (403), a pressure head (405) for repairing the straightness of the shaft workpieces is arranged at the bottom end of a rod body of the hydraulic cylinder (404), and a second displacement sensor (402) for monitoring the pushing stroke of the hydraulic cylinder (404) is arranged on the hydraulic cylinder (404).

Description

Automatic matching straightener for shaft workpieces Technical Field The invention relates to the technical field of straightening equipment, in particular to an automatic matching straightener for shaft workpieces. Background The shaft workpiece is a core basic component in mechanical equipment, is widely applied to various power transmission and mechanical transmission scenes, and the straightness accuracy directly determines the running stability, transmission efficiency and service life of the equipment. In the whole process of processing and heat treatment of shaft workpieces, the shaft workpieces are easily subjected to bending deformation due to the influence of various factors such as internal stress changes of materials, uneven processing stress, heat treatment temperature fluctuation and the like, so that straightness of the workpieces exceeds an allowable range and cannot be directly put into use, and therefore the straightening process becomes a key process for recovering straightness of the shaft workpieces and guaranteeing processing quality of the shaft workpieces. The existing straightening machine used in the industry has obvious adaptability defects when dealing with shaft workpieces of different specifications. Because the diameter and the length of the shaft workpieces are different in variety, when workpiece specifications are changed each time, an operator is required to manually adjust the center positioning device, the workpiece supporting part and the straightness detection device of the straightening machine, the whole adjustment process is completely dependent on manual experience, the operation is complex, the time consumption is long, and the adjustment accuracy of each device is difficult to ensure. The manual adjustment mode not only causes lower automation degree of the straightening machine and greatly discounts production efficiency, but also can not meet the production requirements of large scale and high efficiency, and clamping errors are easily generated due to manual operation deviation. The existence of clamping errors can further influence positioning accuracy and detection accuracy in the straightening process, so that the straightness of the straightened workpiece cannot meet design requirements, secondary damage to the workpiece can be possibly caused, production cost is increased, and the double requirements of the modern machining industry on product accuracy and production efficiency are difficult to adapt. Therefore, a person skilled in the art proposes an automatic matching straightener for shaft workpieces, which is used for solving the technical problems. Disclosure of Invention Aiming at the defects of the prior art, the invention provides an automatic matching straightening machine for shaft workpieces, which solves the problems that the straightening of the existing shaft workpieces depends on manual operation, and has low degree of automation and poor processing precision. In order to achieve the aim, the invention is realized by the following technical scheme that the automatic matching straightener for shaft workpieces comprises, The machine body is provided with a plurality of linear sliding rails for a plurality of mechanisms to linearly move, and the two sides of the interior of the machine body are provided with strip tooth grooves matched with the moving gears; A PLC control cabinet for calculating the data information of the input shaft workpiece and generating a control signal is arranged on one side of the machine body, and the PLC control cabinet controls each mechanism on the machine body in the running process; the movable supporting mechanism is arranged on the machine body and is used for supporting and assisting in moving the shaft workpiece during straightening treatment; the center driving mechanism is arranged on the machine body and is used for performing center positioning and driving treatment on one end center of the shaft workpiece; The center driven mechanism is arranged on the machine body and is used for performing center positioning and driven treatment on the center of the other end of the shaft workpiece; the plurality of movement detection mechanisms are arranged on the machine body and are used for carrying out movement detection processing on the straightness of the shaft workpiece; The workpiece straightening mechanism is arranged in the middle of the machine body and is used for straightening the detected shaft workpieces. Preferably, the movable supporting mechanism comprises a movable base IV, the linear slide rail is provided with the movable base IV, the top of the movable base IV is fixedly connected with a supporting seat, and the top of the supporting seat is provided with a V-shaped groove for supporting and positioning the shaft workpiece. Preferably, the center driving mechanism comprises a first movable base, a first movable base is arranged on one side, close to the PLC control cabinet, of the linear slidin