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CN-224224095-U - Telescopic saw blade protecting device for woodworking band sawing machine

CN224224095UCN 224224095 UCN224224095 UCN 224224095UCN-224224095-U

Abstract

The utility model provides a telescopic saw blade protection device for a woodworking band sawing machine, which comprises an upper chamber body, a telescopic shield and a moving assembly, wherein a fixed rib plate is arranged on one side of the upper chamber body, the upper end of the telescopic shield is connected with the rib plate, and the lower end of the telescopic shield is connected with the moving assembly. The telescopic shield comprises a top shield, a middle shield and a bottom shield, wherein the top shield, the middle shield and the bottom shield are sequentially sleeved and connected in a sliding manner. The top shield, the middle shield and the bottom shield are provided with the through holes on the same side, and the telescopic shield is widely applicable to the requirements of the non-passing height by adjusting the height of the telescopic shields and increasing and decreasing the number of the middle shields, so that the telescopic shield has the advantages of high flexibility, high practicability, simplicity in operation, enhanced use effect of the shields and improved use experience of users.

Inventors

  • ZHU ZICHEN

Assignees

  • 青岛华宝伟数控科技有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (10)

  1. 1. A telescopic saw blade protecting device for a woodworking band sawing machine is characterized by comprising an upper chamber body, a telescopic shield and a moving assembly, wherein a fixed rib plate is arranged on one side of the upper chamber body, the upper end of the telescopic shield is connected with the rib plate, and the lower end of the telescopic shield is connected with the moving assembly.
  2. 2. The retractable saw blade guard for a woodworking band saw of claim 1, wherein the retractable guard comprises a top guard, a middle guard, and a bottom guard, the top guard, middle guard, and bottom guard being nested one after the other and being in sliding engagement.
  3. 3. The retractable saw blade guard for a woodworking band saw machine of claim 2, wherein said top guard, middle guard and bottom guard are open on the same side.
  4. 4. A retractable saw blade guard for a woodworking band saw machine according to claim 2 or 3, wherein the top of the outer contact surface of the bottom shield is provided with a hem, the bottom of the inner contact surface and the top of the outer contact surface of the intermediate shield are both provided with a hem, and the number of the intermediate shields is not less than 1.
  5. 5. The telescopic saw blade protecting device for the woodworking band sawing machine is characterized in that the moving assembly comprises a moving part, a connecting plate and a fixed base, the top of the moving part is movably connected through a through hole formed in the rib plate, the bottom of the moving part is inserted into the fixed base and is fixedly connected with the fixed base through a fixing bolt and a locking nut, and the connecting plate is used for connecting the telescopic shield and the fixed base.
  6. 6. The telescopic saw blade protecting device for woodworking band sawing machine as claimed in claim 5, wherein the connecting plate is L-shaped, two ends of the connecting plate are provided with strip-shaped through holes, a group of mounting nuts are fixed at the bottom of the contact surface in the bottom shield, the connecting plate is matched and fixed with the mounting nuts after passing through the through holes in the connecting plate through bolts, and the other end of the connecting plate is fixedly connected with the fixing seat.
  7. 7. The telescopic saw blade protector for woodworking band sawing machine as claimed in claim 5, wherein the moving part is provided with a guide rack, a gear matched with the guide rack is movably connected with the upper chamber body through a rotating shaft, and a hand wheel is fixed on one side of the rotating shaft penetrating through the upper chamber body.
  8. 8. The retractable saw blade protecting device for a woodworking band saw machine of claim 7, wherein a spacer is fixedly arranged between the hand wheel and the upper chamber body, and the spacer is rotationally connected with the hand wheel.
  9. 9. A retractable saw blade guard for a woodworking band saw machine as defined in claim 2, wherein a set of threaded rods are provided on the side walls of the top guard, the threaded rods fixedly connecting the top guard to the rib plates through mounting plates cooperating therewith.
  10. 10. The retractable saw blade guard for a woodworking band saw of claim 9, wherein said mounting plate is fixedly attached to the web by bolts.

Description

Telescopic saw blade protecting device for woodworking band sawing machine Technical Field The utility model belongs to the technical field of woodworking machinery, and particularly relates to a telescopic saw blade protection device for a woodworking band saw. Background The woodworking band saw consists of a base, a frame with an upper box body and a lower box body, an upper shaft, a lower shaft, a driven large belt pulley, a driving large belt pulley, a band saw blade, a workbench, a motor, a transmission mechanism, a motor controller and the like. The lower saw wheel of the vertical saw is a driving wheel, the upper saw wheel is a driven wheel, the saw blade is arranged on the periphery of the upper saw wheel and the periphery of the lower saw wheel, and the safety protection of the saw blade is critical in a processing area of a sawing machine. In order to prevent accidental contact by the human body, all saw blades not involved in sawing are designed with shielding means ensuring that they remain at a safe distance from the operator. The prior band saw machine is provided with a saw blade shield at the periphery of the saw blade to realize the protection function, and the saw blade shield is continuously updated and perfected along with the higher use requirement of users, wherein the fixed shield is simple in style, can seal the saw blade and ensure that the saw blade is not exposed, and the movable shield can be flexibly opened laterally, is convenient for operators to adjust the saw blade and simultaneously keeps the protection effect, but the shield cannot adjust the protection height according to the thickness of sawing timber, weakens the use effect of the shield and influences the use experience of users. Therefore, it is highly desirable to design a saw blade protector that can flexibly expand and contract, has high adaptability, and does not affect operation and maintenance, so as to improve safety and convenience in the use process of the woodworking band sawing machine. Disclosure of utility model The utility model aims to provide a telescopic saw blade protection device for a woodworking band saw machine, which solves the problems that the existing protection cover cannot adjust the protection height according to the thickness of sawn timber, is inconvenient to use and the like. In order to achieve the aim of the utility model, the utility model is realized by adopting the following technical scheme: The utility model provides a telescopic saw blade protector for carpenter's band saw machine, it includes the upper chamber body, flexible guard shield and remove the subassembly, one side of the upper chamber body is provided with fixed gusset, the upper end of flexible guard shield is connected in the gusset, the lower extreme of flexible guard shield is connected in the removal subassembly. Further, the telescopic shield comprises a top shield, a middle shield and a bottom shield, wherein the top shield, the middle shield and the bottom shield are sequentially sleeved and connected in a sliding mode. Further, the same side of the top shield, the middle shield and the bottom shield is provided with a through hole. Further, the top of the outer contact surface of the bottom shield is provided with ruffles, the bottom of the inner contact surface of the middle shield and the top of the outer contact surface are provided with ruffles, and the number of the middle shields is more than or equal to 1. Further, the moving assembly comprises a moving part, a connecting plate and a fixed seat, wherein the top of the moving part penetrates through a through hole formed in the rib plate to be movably connected, the bottom of the moving part is inserted into the fixed seat and is fixedly connected with the fixed seat through a fixing bolt and a locking nut, and the connecting plate is used for connecting the telescopic shield and the fixed seat. Furthermore, the connecting plate is L-shaped, two ends of the connecting plate are provided with strip-shaped through holes, a group of mounting nuts are fixed at the bottom of the contact surface in the bottom shield, the connecting plate is matched and fixed with the mounting nuts after penetrating through the through holes in the connecting plate through bolts, and the other end of the connecting plate is fixedly connected with the fixing seat. Further, a guide rack is arranged on the moving part, a gear matched with the guide rack is movably connected to the upper chamber body through a rotating shaft, and a hand wheel is fixed on one side of the rotating shaft penetrating through the upper chamber body. Furthermore, a spacer bush is fixedly arranged between the hand wheel and the upper chamber body, and the spacer bush is rotationally connected with the hand wheel. Further, a set of threaded rods are arranged on the side wall of the top shield, and the threaded rods fixedly connect the top shield with the rib plates through the mounting plates matched wit