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CN-224209705-U - Main shaft fastening device of dicing saw

CN224209705UCN 224209705 UCN224209705 UCN 224209705UCN-224209705-U

Abstract

The utility model provides a main shaft fastening device of a dicing saw, which comprises a first gear box, a second gear box and a first gear box, wherein the bottom of the inner side surface of the first gear box is rotationally connected with a first rotating shaft, the outer side surface of the first rotating shaft is fixedly provided with a first worm wheel, one side of the first worm wheel is meshed with a first worm, the inner part of the first worm is fixedly provided with a first rotating rod, and the second gear box is fixedly arranged at the top of the first rotating shaft. According to the main shaft fastening device of the scribing machine, the moving ring is pushed by the spring telescopic rod, so that the first limiting gear ring and the second limiting gear ring are meshed, and the rotating frame is limited, so that the first rotating rod and the second rotating rod can be limited, and the situation that the position of the main shaft is deviated due to the fact that a worker touches the rotating rod by mistake in the subsequent use is avoided, and the stability of the fastening device is improved.

Inventors

  • LI HAITAO
  • WANG HAO
  • CHEN DONGER

Assignees

  • 启东卓晟半导体科技有限公司

Dates

Publication Date
20260508
Application Date
20241230

Claims (7)

  1. 1. A dicing saw spindle fastening apparatus, comprising: The bottom of the inner side surface of the first gear box is rotationally connected with a first rotating shaft, the outer side surface of the first rotating shaft is fixedly provided with a first worm wheel, one side of the first worm wheel is meshed with a first worm, and a first rotating rod is fixedly arranged in the first worm; the second gear box is fixedly arranged at the top of the first rotating shaft, the second rotating shafts are rotatably connected to the inner parts of the two ends of the second gear box, a second worm wheel is fixedly arranged on the outer side face of the second rotating shaft, a second worm is meshed with the top of the second worm wheel, and a second rotating rod is fixedly arranged in the second worm; The two limiting assemblies are respectively arranged on the outer side faces of one end of the first rotating rod and one end of the second rotating rod, the two limiting assemblies comprise two moving rings, the two moving rings are respectively arranged on the outer side faces of the first rotating rod and the second rotating rod, spring telescopic rods are fixedly arranged at two ends of one side of each moving ring, the spring telescopic rods are respectively fixedly arranged on the front faces of the first gear box and the second gear box, a first limiting gear ring is fixedly arranged on one side of each moving ring, a second limiting gear ring is meshed with one side of each first limiting gear ring, and a rotating frame is fixedly arranged on one side of each second limiting gear ring and is respectively fixedly arranged on one ends of the first rotating rod and the second rotating rod.
  2. 2. A saw spindle attachment as defined in claim 1, wherein the other end of the first rotating lever is rotatably coupled to the back of the first gear box inner side, and the other end of the second rotating lever is rotatably coupled to the back of the second gear box inner side.
  3. 3. The saw spindle fastening device according to claim 1, wherein a mounting groove is formed in one end of the top of the second rotating shaft, a supporting frame is fixedly mounted at one end of the top of the second rotating shaft, a threaded rod is connected to the inner thread of the supporting frame, and a pressing plate is connected to the bottom of the threaded rod in a rotating mode.
  4. 4. A dicing saw spindle fastening apparatus according to claim 3, wherein the inner side of the mounting groove is provided with a spindle, and the bottom of the pressing plate abuts against the top of the spindle.
  5. 5. A dicing saw spindle securing apparatus according to claim 4, wherein the bottom of the pressing plate is provided with a rubber pad.
  6. 6. The dicing saw spindle fastening apparatus according to claim 5, wherein grooves are formed in both ends of the bottom of the rubber pad, and locking screws are disposed on inner sides of the grooves.
  7. 7. The saw spindle attachment of claim 6, wherein the top of the locking screw is threadably coupled to the bottom of the platen.

Description

Main shaft fastening device of dicing saw Technical Field The utility model relates to the field of spindle adjusting and fixing equipment, in particular to a spindle fastening device of a dicing saw. Background The dicing saw is mainly used for processing parts of electronic products and the like, wherein the grinding wheel dicing saw mainly relies on a grinding wheel blade arranged on a main shaft to cut and process a workpiece, the main shaft is used as a shaft part, and balance adjustment is needed in the working process, so that the cutting precision of the cutting blade meets the processing requirement. The patent application with the bulletin number of CN 213532094U in the prior art, a first cavity is arranged in the base, a first rotating shaft vertically penetrates through and rotates on the base, a first turbine arranged in the first cavity is fixed on the first rotating shaft, a first worm with one end extending out of the base is meshed on the outer side of the first turbine, a second cavity capable of rotating along with the first rotating shaft is fixed at the upper end of the first rotating shaft, a second rotating shaft transversely penetrates through the second cavity, a second turbine arranged in the second cavity is fixed on the second rotating shaft, a second worm with one end penetrating through the second cavity is meshed on the outer side of the second turbine, a clamping groove of a main shaft is formed in the right end of the second rotating shaft, and a locking device is arranged in the clamping groove. However, after the adjustment is finished, the end faces of the first worm and the second worm lack a limiting structure, and the end faces of the first worm and the second worm are located on the outer side face of the cavity, so that in the subsequent use process, a user bumps the end faces of the first worm and the second worm by mistake, the first worm and the second worm are easy to rotate, the main shaft is offset, and stability is reduced. Accordingly, there is a need to provide a saw spindle fastening device that solves the above-mentioned problems. Disclosure of utility model The utility model provides a main shaft fastening device of a dicing saw, which solves the problem that the stability is reduced because a rotating shaft is easily offset due to false touch of a user due to the lack of a limiting structure. In order to solve the technical problems, the utility model provides a main shaft fastening device of a dicing saw, comprising: The bottom of the inner side surface of the first gear box is rotationally connected with a first rotating shaft, the outer side surface of the first rotating shaft is fixedly provided with a first worm wheel, one side of the first worm wheel is meshed with a first worm, and a first rotating rod is fixedly arranged in the first worm; the second gear box is fixedly arranged at the top of the first rotating shaft, the second rotating shafts are rotatably connected to the inner parts of the two ends of the second gear box, a second worm wheel is fixedly arranged on the outer side face of the second rotating shaft, a second worm is meshed with the top of the second worm wheel, and a second rotating rod is fixedly arranged in the second worm; The two limiting assemblies are respectively arranged on the outer side faces of one end of the first rotating rod and one end of the second rotating rod, the two limiting assemblies comprise two moving rings, the two moving rings are respectively arranged on the outer side faces of the first rotating rod and the second rotating rod, spring telescopic rods are fixedly arranged at two ends of one side of each moving ring, the spring telescopic rods are respectively fixedly arranged on the front faces of the first gear box and the second gear box, a first limiting gear ring is fixedly arranged on one side of each moving ring, a second limiting gear ring is meshed with one side of each first limiting gear ring, and a rotating frame is fixedly arranged on one side of each second limiting gear ring and is respectively fixedly arranged on one ends of the first rotating rod and the second rotating rod. Preferably, the other end of the first rotating rod is rotatably connected to the back surface of the inner side surface of the first gear box, and the other end of the second rotating rod is rotatably connected to the back surface of the inner side surface of the second gear box. Preferably, the mounting groove has been seted up to the one end at second pivot top, the one end fixed mounting at second pivot top has the support frame, the inside threaded connection of support frame has the threaded rod, the bottom rotation of threaded rod is connected with the clamp plate. Preferably, a main shaft is arranged on the inner side surface of the mounting groove, and the bottom of the pressing plate is abutted to the top of the main shaft. Preferably, a rubber pad is arranged at the bottom of the pressing plate. Preferabl