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CN-121977414-A - Bearing manufacturing clearance detection equipment

CN121977414ACN 121977414 ACN121977414 ACN 121977414ACN-121977414-A

Abstract

The invention relates to the field of bearing measurement, in particular to play detection equipment for bearing manufacture, which comprises a workbench and a control cabinet, wherein two groups of dial gauges which are oppositely arranged are linked with a pressing cylinder capable of transversely swinging, when the pressing cylinder drives an outer ring to swing on the basis of synchronous fixation of the inner ring and the outer ring, connecting frames on two sides respectively touch the measuring ends of the dial gauges, and the two groups of dial gauges independently record radial displacement amounts on two sides of the inner ring in real time. By comparing the two groups of data, the whole radial play value can be obtained, whether the play at two sides is symmetrical or unbalanced load exists can be accurately judged, the technical limitation that the comparison of the play at two sides in opposite directions cannot be carried out by the traditional device is effectively overcome, meanwhile, automatic centering of the dial indicator is realized through inclined plane guidance of the positioning rod and the conical positioning groove, the height of the self-adaptive bearing can be adjusted through floating fit and spring buffering of the connecting cylinder and the connecting rod, the bearing seat is driven by the servo motor to rotate to obtain multiphase play data, and reliable support is provided for comprehensive assessment of the quality of the bearing.

Inventors

  • SUN XUDONG

Assignees

  • 无锡雨露精工有限公司

Dates

Publication Date
20260505
Application Date
20260407

Claims (10)

  1. 1. The play detection equipment for bearing manufacturing comprises a workbench (001) and a control cabinet (101), and is characterized in that the control cabinet (101) is arranged above the workbench (001), and an air pump control system is arranged inside the control cabinet (101); The positioning assembly (002) arranged above the workbench (001) comprises a pressing cylinder (203), eight groups of connecting frames (206) are connected to the lower side of the pressing cylinder (203) in an annular distribution penetrating and sliding manner, a first fixing plate (207) is arranged below each group of connecting frames (206), a first trapezoid block (208) is arranged above each group of connecting frames (206), each group of first trapezoid block (208) penetrates through the inner wall of the pressing cylinder (203), and the inclined surface of each first trapezoid block (208) faces one side of the inner wall of the pressing cylinder (203); The clearance measurement assembly (003) arranged below the positioning assembly (002) comprises two groups of dial gauges (307), the two groups of dial gauges (307) are oppositely arranged below the pressing cylinder (203), a measuring rod (308) is arranged on one side of the dial gauges (307), the measuring rod (308) is arranged in parallel with the table top of the workbench (001), an adjusting rod (309) is connected to one side of the measuring rod (308) in a threaded rotation mode, the adjusting rods (309) of the two groups of dial gauges (307) are oppositely arranged, and two ends of the two groups of adjusting rods (309) are respectively positioned on one side of the two opposite groups of connecting frames (206); The fixing assembly (004) arranged above the workbench (001) comprises a bearing seat (401), eight groups of trapezoidal blocks (402) are annularly distributed on the inner wall of the bearing seat (401) and pass through the bearing seat in a sliding manner, one side, located outside the bearing seat (401), of each group of trapezoidal blocks (402) is provided with a fixing plate (403), and the bearing seat (401) and the pressing cylinder (203) are located at the same vertical horizontal position.
  2. 2. The play detection device for bearing manufacturing according to claim 1, wherein the first air cylinder (201) is symmetrically arranged above the workbench (001), and the first air cylinder (201) is connected with an air pump control system pipeline inside the control cabinet (101).
  3. 3. The play detection device for bearing manufacturing according to claim 2, wherein a pressing seat (202) is arranged between output ends above two groups of first cylinders (201), a second cylinder (204) is arranged in the pressing cylinder (203), the second cylinder (204) is connected with an air pump control system pipeline in the control cabinet (101), a conical cylinder (205) is arranged at the output end of the second cylinder (204), and the conical cylinder (205) and each group of first trapezoidal blocks (208) are positioned at the same vertical horizontal position.
  4. 4. A play detection device for bearing manufacturing according to claim 3, wherein eight groups of guide rods I (209) are annularly distributed and installed in the pressing cylinder (203), the guide rods I (209) are in sliding connection with the corresponding trapezoid blocks I (208), springs I (210) are sleeved on the guide rods I (209), and two sides of each spring I (210) are respectively attached to the connecting part of the guide rods I (209) and the trapezoid blocks I (208).
  5. 5. A play detection device for bearing manufacturing according to claim 3 is characterized in that a through groove (301) is formed above the pressing seat (202), a sliding block (302) is connected in the through groove (301) in a sliding mode, the lower portion of the sliding block (302) is fixedly connected with the upper portion of the pressing cylinder (203), a third air cylinder (303) is arranged between the sliding block (302) and the through groove (301), and the third air cylinder (303) is connected with an air pump control system pipeline inside the control cabinet (101).
  6. 6. The play detection device for manufacturing the bearing, as set forth in claim 4, is characterized in that a connecting cylinder (304) is installed below the pressing cylinder (203), a connecting rod (305) is connected in the connecting cylinder (304) in a limiting sliding manner, the lower part of the connecting rod (305) is connected with the upper parts of two groups of dial indicators (307) in a sliding manner, and a spring II (306) is connected between the connecting rod (305) and the inner wall of the connecting cylinder (304) in a fitting manner.
  7. 7. A play detection device for bearing manufacturing according to claim 6, wherein positioning rods (310) are installed below the two dial gauges (307), and the positioning rods (310) and the bearing seat (401) are located at the same vertical and horizontal position.
  8. 8. The play detection device for bearing manufacturing according to claim 1, wherein a fourth cylinder (404) is installed in the bearing seat (401), the fourth cylinder (404) is connected with an air pump control system pipeline in the control cabinet (101), a conical disc (405) is installed at an output end above the fourth cylinder (404), and inclined surfaces around the conical disc (405) and inclined surfaces of the second trapezoid block (402) are located at the same vertical and horizontal position.
  9. 9. The play detection device for bearing manufacturing according to claim 8, wherein eight groups of second guide rods (406) are annularly distributed and mounted on the inner wall of the bearing seat (401), connecting seats (407) are mounted above the trapezoid blocks (402), the connecting seats (407) are in penetrating sliding connection with the corresponding second guide rods (406), springs III (408) are sleeved on the guide rods (406), two ends of the springs III (408) are attached to the inner wall of the bearing seat (401) and the connecting seats (407), and conical positioning grooves (414) are formed in the tops of the bearing seats (401).
  10. 10. The play detection device for bearing manufacturing according to claim 1, wherein a fixed frame (409) is installed below the workbench (001), a servo motor (410) is installed on one side below the fixed frame (409), a gear I (411) is connected to the output end of the servo motor (410) in a shaft mode, the gear I (411) is located inside the fixed frame (409), a rotating shaft (412) is connected to the inside of the fixed frame (409) in a rotating mode, the rotating shaft (412) is connected with the workbench (001) in a penetrating mode, the rotating shaft (412) is fixedly connected with the bottom of the bearing seat (401), a gear II (413) is connected to the rotating shaft (412) in a sleeved mode, and the gear II (413) is meshed with the gear I (411).

Description

Bearing manufacturing clearance detection equipment Technical Field The invention relates to the field of bearing measurement, in particular to clearance detection equipment for bearing manufacturing. Background The bearing play is a movement amount when one of the inner ring and the outer ring of the bearing is fixed when the bearing is not mounted on the shaft or the bearing seat, and then the other of the inner ring and the outer ring is moved radially or axially, and the play is mainly divided into a radial play and an axial play according to the difference of the measurement directions. In the patent application of application publication number CN212030417U, application publication date 2020-11-27, the name is a bearing play detection device, and the device discloses a bearing play detection device, including L shape seat, the amesdial is installed to the upper end of L shape seat, install spacing subassembly on the inside wall of L shape seat, spacing subassembly is including setting up bracing piece on the L shape seat inside wall, the support round platform is installed on the top of bracing piece, the ring is installed in the outside of support round platform, support round platform inside be equipped with the round platform groove that the ring is linked together, the ring lateral wall evenly is equipped with stop gear along its circumference direction. The device is provided with the limit component, and the turntable pushes the movable round table to move through the push rod, so that the limit rod can be driven to extend or retract, bearings with different sizes are fixed, and the arc plates are symmetrically provided with the filler strips, so that the arc plates can be ensured to fix the inner rings of the bearings stably, and the accuracy of bearing clearance detection is ensured. In the above patent or the prior art, in the radial play detection process, the existing measuring device can only measure the radial play value of one side, and cannot acquire the opposite play data distributed from the center of the inner ring to two sides respectively, so as to determine whether the play of two sides is symmetrical or within a reasonable range. Therefore, it is necessary to invent a play detection apparatus for bearing manufacturing to solve the above-described problems. Disclosure of Invention The invention aims to provide clearance detection equipment for bearing manufacture, which is used for realizing independent measurement and data comparison of radial clearances at two sides of a bearing inner ring through linkage of oppositely arranged dial gauges and transversely swinging pressing cylinders, and simultaneously is matched with a servo motor to drive a bearing seat to rotate, so that clearance distribution under multiple angles can be obtained, and the problems that the existing measurement device only can measure the whole radial clearance, cannot respectively measure and compare the clearances at two sides and is difficult to realize multi-angle omnibearing detection are solved. In order to achieve the purpose, the invention provides the technical scheme that the play detection equipment for bearing manufacture comprises a workbench and a control cabinet, wherein the control cabinet is arranged above the workbench, and an air pump control system is arranged in the control cabinet; The positioning assembly arranged above the workbench comprises a pressing cylinder, eight groups of connecting frames are arranged below the pressing cylinder in an annular distribution and penetrate through sliding connection, a first fixing plate is arranged below each group of connecting frames, a first trapezoid block is arranged above each group of connecting frames, each group of first trapezoid blocks penetrates through the inner wall of the pressing cylinder, and the inclined surface of each first trapezoid block faces one side of the inner wall of the pressing cylinder; The clearance measurement assembly arranged below the positioning assembly comprises two groups of dial gauges, the two groups of dial gauges are oppositely arranged below the pressing cylinder, a measuring rod is arranged on one side of the dial gauges and is arranged in parallel with the table top of the workbench, one side of the measuring rod is in threaded rotation connection with an adjusting rod, the adjusting rods of the two groups of dial gauges are oppositely arranged, and two ends of the two groups of adjusting rods are respectively positioned on one side of the two opposite groups of connecting frames; The fixing component arranged above the workbench comprises a bearing seat, eight groups of trapezoidal blocks II are arranged on the inner wall of the bearing seat in an annular distribution penetrating and sliding manner, fixing plates II are arranged on one sides, outside the bearing seat, of the trapezoidal blocks, and the bearing seat and the pressing cylinder are located at the same vertical and horizontal position. A