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CN-121973032-A - Automatic grinding equipment for valve rod

CN121973032ACN 121973032 ACN121973032 ACN 121973032ACN-121973032-A

Abstract

The invention is suitable for the technical field of workpiece grinding, and provides automatic grinding equipment for a valve rod, which comprises a cabinet body, wherein two displacement cylinders are fixedly arranged in the cabinet body, the top of the cabinet body is slidably provided with two supporting sliding plates, and the two supporting sliding plates are fixedly connected with output rods of the two displacement cylinders respectively. The automatic grinding equipment for the valve rod is characterized in that a circle measuring mechanism and a grinding mechanism are integrally arranged on the same assembly shell and synchronously move along a transverse moving screw rod along with a hoisting shell to realize real-time coordination of grinding processing and roundness measurement, the circle measuring mechanism synchronously transversely moves along with grinding operation to continuously and dynamically measure the valve rod, a traditional jump needle fixed-point spot sampling inspection mode is replaced, a measuring blind area is eliminated, full-coverage real-time monitoring of a processing process is realized, grinding parameters or compensation feeding amount can be adjusted in real time based on real-time circle measuring data, repeated processing is avoided, processing efficiency and finished product qualification rate are remarkably improved, and the roundness precision of the valve rod is ensured to meet design requirements.

Inventors

  • ZHAO DONGSHENG

Assignees

  • 苏州义联工业科技有限公司

Dates

Publication Date
20260505
Application Date
20260407

Claims (10)

  1. 1. An automated grinding apparatus for valve stems, comprising: The movable type hydraulic lifting device comprises a cabinet body, wherein two displacement oil cylinders are fixedly arranged in the cabinet body, two support sliding plates are slidably arranged at the top of the cabinet body, and the two support sliding plates are fixedly connected with output rods of the two displacement oil cylinders respectively so as to enable the two support sliding plates to slide relatively; The two support sliding plates are respectively and rotatably provided with a rotary table positioned above the cabinet body, one side of each rotary table opposite to the rotary table is fixedly provided with a three-jaw chuck, the two three-jaw chucks are used for clamping and fixing the valve rod, one support sliding plate is fixedly provided with a chuck rotating motor, and an output shaft of the chuck rotating motor is fixedly connected with the corresponding rotary table and is used for driving the three-jaw chucks to rotate so as to drive the valve rod to rotate; The utility model discloses a novel automatic valve rod grinding device, including the cabinet body, the top fixed mounting of cabinet body has two support frames, two the top fixed mounting of support frame has same roof, two rotate on the support frame and install same sideslip screw rod, sideslip screw rod and below valve rod parallel arrangement, the thread bush is equipped with the hoist and mount casing on the sideslip screw rod, the bottom sliding connection of the top and the roof of hoist and mount casing, hoist and mount post is installed to the bottom of hoist and mount casing, the bottom fixed mounting of hoist and mount post has the assembly casing, install grinding mechanism and survey circle mechanism on the assembly casing, grinding mechanism is used for the grinding of below valve rod, surveys the circle mechanism and is used for surveying the circle to the below valve rod.
  2. 2. The automatic valve rod grinding equipment according to claim 1, wherein the grinding mechanism comprises a grinding adjusting oil cylinder fixedly installed at the top of the assembly shell, an output rod of the grinding adjusting oil cylinder is vertically downwards provided with a connecting seat fixedly installed, a rectangular rod is rotatably installed at the bottom of the connecting seat, a connecting disc is fixedly installed at the bottom of the rectangular rod, a grinding disc is fixedly installed at the bottom of the connecting disc and used for grinding the valve rod during rotation, a transmission barrel is rotatably installed at the bottom of the assembly shell, the transmission barrel is slidably sleeved on the rectangular rod and synchronously rotates, a power motor is fixedly installed in the assembly shell, conical gears are fixedly sleeved on an output shaft of the power motor and the transmission barrel, and the two conical gears are meshed.
  3. 3. The automatic grinding equipment for valve rods according to claim 1, wherein the circle measuring mechanism comprises a measurement adjusting oil cylinder fixedly installed at the top of the assembly shell, an output rod of the measurement adjusting oil cylinder is vertically downwards arranged and fixedly installed with the assembly shell, the assembly shell penetrates through the bottom of the assembly shell in a sliding mode, a height sensor is fixedly installed in the assembly shell, a triggering end of the height sensor is vertically downwards arranged, a height triggering rod is slidably installed in the assembly shell, the top end of the height triggering rod is in contact with the triggering end of the height sensor, the bottom end of the height triggering rod extends out of the bottom of the assembly shell and is fixedly provided with a ball head for contacting with the valve rods, the height sensor is triggered during jumping, a synchronous circular ring is fixedly sleeved on the height triggering rod, a spring I is sleeved on the upper sliding sleeve of the height triggering rod, the bottom end of the spring I is fixedly connected with the top of the synchronous circular ring, and the top end of the spring is fixedly connected with the assembly shell, and the height triggering rod is used for keeping.
  4. 4. The automatic valve rod grinding device according to claim 1, wherein two supporting carriages are fixedly installed in the cabinet body, the two displacement cylinders are respectively fixedly installed on the two supporting carriages, and bottoms of the two supporting sliding plates respectively slide along the two supporting carriages.
  5. 5. The automated grinding apparatus of claim 1, wherein two adjustment ports are provided in the top of the cabinet, and the two support slides are respectively slidably inserted through the two adjustment ports, and the width of the adjustment ports is the same as the width of the support slides.
  6. 6. The automated grinding apparatus of claim 5, wherein sealing plates are fixedly mounted on both of the support slides, both of the sealing plates sliding along the top of the cabinet for closing the adjustment port.
  7. 7. The automated grinding apparatus of claim 1, wherein the impurity discharging port is provided in the middle of the top of the cabinet, the collection box is slidably mounted in the cabinet, the collection box is disposed corresponding to the impurity discharging port, and the handle is fixedly mounted on the collection box.
  8. 8. The automated grinding apparatus of claim 1, wherein a traversing motor is fixedly mounted on top of the top plate, a pinion is fixedly mounted on an output shaft of the traversing motor, and a large toothed disc is fixedly mounted on an end of the traversing screw, the large toothed disc being engaged with the pinion.
  9. 9. The automated grinding apparatus for valve stems of claim 2, wherein the drive cylinder has a rectangular through bore therein, the rectangular stem sliding through the rectangular through bore.
  10. 10. The automated grinding apparatus for valve stems of claim 1, wherein the cabinet has a plurality of access doors thereon and wherein both of the support frames have access openings thereon.

Description

Automatic grinding equipment for valve rod Technical Field The invention belongs to the technical field of workpiece grinding, and particularly relates to automatic grinding equipment for a valve rod. Background Turning the valve rod on a lathe usually comprises three links of rough turning, finish turning and machining precision inspection. When in rough machining, the rod body is machined, so that the outline of the rod body is formed preliminarily. During polishing, fine processing is performed to eliminate surface roughness and ensure surface quality. Finally, the machining precision is checked to ensure that the design requirement can be met, and the milling process often causes phenomena of burrs, scratches and the like on the surface to influence the surface quality, so that the grinding process is needed. The grinding has the advantages of high precision, high processing efficiency and the like, and plays an important role in improving the quality. At present, when the used grinding equipment grinds the valve rod, part of personnel adopts the jump pin to detect, and the jump pin can not move along with grinding operation, and spot check is carried out before or after processing for measurement accuracy is poor, and the valve rod can not be measured more comprehensively and in real time, and then repeated processing is needed. Disclosure of Invention The invention provides automatic grinding equipment for valve rods, and aims to solve the problems set forth in the background art. The automatic grinding equipment for the valve rod comprises a cabinet body, wherein two displacement cylinders are fixedly arranged in the cabinet body, two support sliding plates are fixedly arranged at the top of the cabinet body and are fixedly connected with output rods of the two displacement cylinders respectively so as to enable the two support sliding plates to slide relatively, a turntable which is arranged above the cabinet body is rotatably arranged on each support sliding plate, three-jaw chucks are fixedly arranged on one side, opposite to the turntable, of each support sliding plate, the two three-jaw chucks are used for clamping and fixing the valve rod, a chuck rotating motor is fixedly arranged on one support sliding plate, an output shaft of the chuck rotating motor is fixedly connected with the corresponding turntable and is used for driving the three-jaw chucks to rotate so as to drive the valve rod to rotate, two support frames are fixedly arranged at the top of the cabinet body, the same top plate is fixedly arranged on the two support frames, the same screw rod is rotatably arranged on the two support frames, the transverse screw rod is arranged in parallel with the lower valve rod, a hoisting shell is sleeved on the transverse screw rod, a hoisting mechanism is fixedly arranged at the bottom of the lower end of the cylindrical shell, a cylindrical shell is fixedly arranged at the bottom of the cylindrical shell, and a cylindrical shell is fixedly arranged at the bottom of the cylindrical shell. Preferably, the grinding mechanism comprises a grinding adjusting oil cylinder fixedly installed at the top of the assembly shell, an output rod of the grinding adjusting oil cylinder is vertically downwards provided with a connecting seat fixedly installed, a rectangular rod is rotatably installed at the bottom of the connecting seat, a connecting disc is fixedly installed at the bottom of the rectangular rod, a grinding disc is fixedly installed at the bottom of the connecting disc and used for grinding a valve rod during rotation, a transmission cylinder is rotatably installed at the bottom of the assembly shell, the transmission cylinder is slidably sleeved on the rectangular rod and synchronously rotates, a power motor is fixedly installed in the assembly shell, a conical gear is fixedly sleeved on an output shaft of the power motor and the transmission cylinder, and the two conical gears are meshed. Preferably, the circle measuring mechanism comprises a measurement adjusting oil cylinder fixedly installed at the top of the assembly shell, an output rod of the measurement adjusting oil cylinder is vertically downwards arranged and fixedly installed with the assembly shell, the assembly shell penetrates through the bottom of the assembly shell in a sliding mode, a height sensor is fixedly installed in the assembly shell, a trigger end of the height sensor is vertically downwards arranged, a height trigger rod is slidably installed in the assembly shell, the top end of the height trigger rod is in contact with the trigger end of the height sensor, the bottom end of the height trigger rod extends out of the bottom of the assembly shell and is fixedly provided with a ball head for being in contact with a valve rod, the height sensor is triggered when the valve rod is jumped, a synchronous circular ring is fixedly sleeved on the height trigger rod, a spring I is sleeved on the upper sliding sleeve of the heigh