CN220006214U - Heavy rail cutting saw blade limiting device - Google Patents

Abstract

The utility model provides a heavy rail cutting saw bit stop device, including fixed connection has the slider on the guide rail, fixedly connected with nut on the guide rail, the lead screw articulates in the nut, the one end rotation of lead screw is connected in the slider, the tip of slider is the U-shaped, two nylon pieces are fixed mounting respectively in the both sides in the U-shaped limit, two U-shaped limits of slider tip are the fixed limit respectively, keep away from the guide rail for rotating the limit, it articulates on the articulated seat on the slider through the articulated shaft to rotate the limit tip, the limit seat of taking the T-shaped groove of fixed edge fixedly connected with, the step hole has been seted up in the position that corresponds with the limit seat on the rotating edge, the spring is installed in step hole department fixed mounting has the fixing base, the through-hole has been seted up on the fixing base, the pivot is rotated and is installed in the through-hole, the inner fixedly connected with T shape piece at the pivot, T shape piece is spacing in the T-shaped groove, the outer fixedly connected with handle of pivot, rotate on the fixing base is connected with handle spacing fork. The limiting device is low in cost.

Description

Heavy rail cutting saw blade limiting device

Technical Field

The utility model relates to a sawing machine, in particular to a saw blade limiting device on a heavy rail cutting sawing machine, and belongs to the technical field of equipment.

Background

In the production and manufacture of heavy rails, a sawing machine with a circular saw blade is adopted for fixed-length cutting, in order to ensure the requirements on the inclination, flatness and the like of a cutting end face, the axial swing amplitude of the saw blade is strictly limited, particularly, the swing amplitude of the saw blade is not easy to control under the condition of larger size of the saw blade, the cutting face becomes inclined plane and uneven, two circular nylon sheets are generally fixedly arranged on two sides of the saw blade for limiting in order to ensure the swing amplitude of the saw blade, because different saw blade types and saw blade loss are considered, the nylon sheets must be displaced, the sawing machine mainly adopts an imported saw blade limiting device at home and abroad, a guide rail is arranged on a lathe body, a sliding block is arranged on the guide rail, the end part of the sliding block is provided with a U-shaped opening, the two nylon sheets are respectively fixedly arranged on two sides in the U-shaped opening, the saw blade is positioned between the two nylon sheets, the sliding block is driven by a numerical control lead screw so as to adjust the position of the nylon sheets, and the nylon sheets exit range is found in use by the mechanism as follows: firstly, the guide rail that needs is longer, secondly because this kind of sawing machine uses the environment comparatively abominable, and the cost of changing after the driving motor of numerical control lead screw has broken is higher, and the import equipment that adopts at present adopts is gone up and is adopted original numerical control motor's cost higher, if the process replacement reforms transform still probably has the unmatched problem of control system.

Disclosure of Invention

The utility model aims to overcome the problems of the saw blade limiting device on the existing heavy rail cutting machine tool and provides the heavy rail cutting saw blade limiting device.

In order to achieve the purpose of the utility model, the following technical scheme is adopted: the utility model provides a heavy rail cutting saw bit stop device, including fixed connection has the slider on the guide rail, fixedly connected with nut on the guide rail, the lead screw rotates to be connected on the slider, the tip of slider is the U-shaped, two nylon pieces respectively fixed mounting are in the U-shaped limit both sides, the tip of slider is the U-shaped, two nylon pieces respectively fixed mounting are in the U-shaped limit both sides, be close to the guide rail in the two U-shaped limits of slider tip be the fixed limit, keep away from the guide rail for rotating the limit, it articulates on the articulated seat on the slider through the articulated shaft to rotate the limit seat of limit tip, the fixed limit seat of taking the T-shaped groove of fixed edge fixedly connected with, the step hole has been seted up in the position that corresponds with the limit seat on the rotating the limit, the step hole installs the spring, when two U-shaped limits are parallel, spring one end is spacing in the oral area of the T-shaped groove, the other end is spacing in the step hole, fixedly mounted fixing base has the through-hole on the fixing base, the pivot is rotated and is installed in the through-hole and passes the spring, be fixedly connected with T-shaped piece at the inner fixedly connected with of pivot, T-shaped piece is spacing in the T-shaped piece is in the T-shaped limit position limit in the T-shaped limit groove of the handle of the limit handle, it can be followed to rotate the limit fork to rotate in the handle to rotate the limit position to take off the handle.

Further; the hinge seat is fixedly connected with a hanging block, the rotating edge is fixedly connected with a hook, and the hook can be hung on the hanging block after the rotating edge hinge shaft rotates.

Further; the guide rail on set up T-shaped groove, wear to be equipped with T-shaped bolt on the fixed edge of slider tip, T-shaped bolt cooperation is in T-shaped groove, fixed edge passes through T-shaped bolt fixed connection on the guide rail.

Further; the inner end face of the T-shaped block is arc-shaped, and the inner end face refers to a face close to the inverted T-shaped groove.

The utility model has the positive and beneficial technical effects that: the limiting device does not need to move the nylon sheet out of the radial direction of the saw blade when the saw blade is replaced, only a shorter guide rail is adopted, the numerical control screw motor is omitted, the cost is low, and the related cost and control problems caused by motor damage are avoided.

Drawings

Fig. 1 is a schematic view of the present utility model in a radially restrained condition of the saw blade.

Fig. 2 is a schematic view of the present utility model along the axial direction of the saw blade.

Detailed Description

In order to more fully explain the practice of the utility model, examples of the practice of the utility model are provided. These examples are merely illustrative of the present utility model and do not limit the scope of the utility model.

The utility model will be explained in further detail with reference to the accompanying drawings, in which: 1: a guide rail; 2: a nut; 3: a screw rod; 4: a T-shaped groove; 5: t-shaped bolts; 6: fixing the edges; 7: rotating the edge; 8: a nylon sheet; 9: a limit seat; 10: an inverted T-shaped groove; 11: a fixing seat; 12: a rotating shaft; 13: a T-shaped block; 14: the steps can be realized; 15: a spring; 16: a handle; 17: a handle limit fork; 18: hanging blocks; 19: a hook; 20: a hinge base; 21: a hinge shaft; 22: a rotating handle; 23: a slide block; 24: and a limiting pin.

In the following description, the directions will be referred to as directions shown in fig. 1. Fig. 1 is a schematic view of the present utility model after being placed horizontally, and in actual installation, the guide rail 1 is fixed on the lathe bed along the radial direction of the saw blade in the same way as the current limit device. Fig. 1 is a schematic view of a blade limit condition.

As shown in the accompanying drawings 1 and 2, the heavy rail cutting saw blade limiting device comprises a guide rail 1 fixedly connected to a machine body, a sliding block 23 is matched on the guide rail, the end part of the sliding block is U-shaped, two nylon sheets 8 are respectively fixedly installed on two sides in the U-shaped edge, a fixed edge 6 which is close to the guide rail in the two U-shaped edges of the end part of the sliding block is far away from the guide rail and a rotating edge 7 which is far away from the guide rail, a T-shaped groove 4 is formed in the guide rail, a T-shaped bolt 5 is penetrated on the fixed edge of the end part of the sliding block, the T-shaped bolt 5 is matched in the T-shaped groove 4, the fixed edge is fixedly connected to the guide rail through the T-shaped bolt, and the end part of the rotating edge 7 is hinged to a hinge seat 20 fixedly connected to the sliding block through a hinge shaft 21.

The guide rail 1 is fixedly connected with the nut 2, the lead screw 3 is rotationally connected in the nut, one end of the lead screw 3 is rotationally connected on the sliding block 23, the fixed edge is fixedly connected with the limit seat 9 with the inverted T-shaped groove 10, the part corresponding to the limit seat on the rotating edge 7 is provided with the step hole 14, the step hole is provided with the spring 15, when two U-shaped edges are parallel, namely in the state of figure 1, one end of the spring 15 is limited at the opening of the inverted T-shaped groove, the other end of the spring 15 is limited in the step hole, the fixed seat 11 is fixedly arranged at the step hole, the through hole is formed in the fixed seat, the rotating shaft 12 is rotationally arranged in the through hole and penetrates through the spring 15, the T-shaped block 13 is fixedly connected at the inner end of the rotating shaft 12, the inner end face of the T-shaped block is arc-shaped, the inner end face is the face close to the inverted T-shaped groove, namely the face at the lower end in figure 1, the outer end of the rotating shaft is fixedly connected with the handle 16, the handle limiting fork 17 is rotationally connected on the fixed seat, when the handle limiting fork is seen from the upper side, the left side and the right side of figure 1, when the handle rotates to the handle limiting fork, the T-shaped block 13 is rotationally connected in the inverted T-shaped block in the T-shaped groove, the T-shaped block is rotationally connected to the T-shaped block in the T-shaped limiting pin 24, and the T-shaped limiting pin can be rotationally driven to rotate in the T-shaped block in the T-shaped limiting groove. The T-shaped block and the inverted T-shaped groove are matched commonly used in the existing machinery, and the limit and release principles are not repeated.

In this embodiment, the hanging block 18 is fixedly connected to the hinge seat, the hook 19 is fixedly connected to the rotating edge, and after the rotating edge hinge shaft rotates, the hook can be hung on the hanging block, and the rotating handle 22 is fixedly connected to the rotating edge 7, so that the rotating is convenient.

When the position of the nylon sheet in the radial direction of the saw blade is required to be adjusted by the limiting device, the T-shaped bolt is loosened, and the screw rod is rotated to adjust. When the saw blade needs to be replaced, the handle is in a freely rotatable state by rotating the handle limiting fork in the state of fig. 1, the T-shaped block can be separated from the inverted T-shaped groove by rotating the handle to the limiting pin, and the rotating edge 7 is rotated upwards around the hinge shaft by the rotating handle 22 (in the state of fig. 1). The rotating edge can leave the saw blade, the hook is hung on the hanging block to fix the rotating edge after rotating in place, saw blade replacement operation can be performed, the hook is dismounted after operation is completed, the rotating edge is rotated, the T-shaped block can enter the inverted T-shaped groove, then the handle is rotated to the handle limiting fork, the handle limiting fork is rotated to limit the handle, and the spring can eliminate the fit clearance.

Having described embodiments of the present utility model in detail, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the scope and spirit of the utility model as defined in the appended claims, and any simple, equivalent changes and modifications to the above examples are intended to be within the scope of the present utility model and the utility model is not limited to the embodiments as set forth in the specification.

Claims (4)

1. The utility model provides a heavy rail cutting saw bit stop device, includes the guide rail of fixed connection on the fuselage, and the cooperation has the slider on the guide rail, fixedly connected with nut on the guide rail, and the lead screw connects soon in the nut, and the tip of slider is the U-shaped, and two nylon sheets respectively fixed mounting are in the both sides in the U-shaped limit, and the lead screw rotates to be connected on the slider, its characterized in that: the two U-shaped edges of the end part of the sliding block are fixed edges, the end part of the rotating edge is hinged to a hinged seat on the sliding block through a hinged shaft, a limiting seat with an inverted T-shaped groove is fixedly connected to the fixed edge, a step hole is formed in the position, corresponding to the limiting seat, of the rotating edge, a spring is installed in the step hole, one end of the spring is limited at the opening part of the inverted T-shaped groove, the other end of the spring is limited in the step hole when the two U-shaped edges are parallel, a fixed seat is fixedly installed at the step hole, a through hole is formed in the fixed seat, a rotating shaft is rotatably installed in the through hole and penetrates through the spring, a T-shaped block is fixedly connected to the inner end of the rotating shaft and is limited in the inverted T-shaped groove, the rotating shaft can drive the T-shaped block to be separated from the inverted T-shaped groove, a handle is fixedly connected to the outer end of the rotating shaft, and a handle limiting fork is rotatably connected to the fixed seat.

2. A heavy rail cutting saw blade stop device as defined in claim 1, wherein: the hinge seat is fixedly connected with a hanging block, the rotating edge is fixedly connected with a hook, and the hook can be hung on the hanging block after the rotating edge hinge shaft rotates.

3. A heavy rail cutting saw blade stop device as defined in claim 1, wherein: the guide rail on set up T-shaped groove, wear to be equipped with T-shaped bolt on the fixed edge of slider tip, T-shaped bolt cooperation is in T-shaped groove, fixed edge passes through T-shaped bolt fixed connection on the guide rail.

4. A heavy rail cutting saw blade stop device as defined in claim 1, wherein: the inner end face of the T-shaped block is arc-shaped, and the inner end face refers to a face close to the inverted T-shaped groove.