CN215746761U

CN215746761U - Safety protection mechanism for sawing machine

Info

Publication number: CN215746761U
Application number: CN202122114197.XU
Authority: CN
Inventors: 吕涛; 贺畅
Original assignee: Hunan Lvchen Environmental Protection Technology Co ltd
Current assignee: Hunan Lvchen Environmental Protection Technology Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-08
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to the technical field of sawing machines, in particular to a safety protection mechanism for a sawing machine. The utility model aims to solve the technical problem of preventing cutting chips from splashing. In order to solve the technical problem, the utility model provides a safety protection mechanism for a sawing machine, which comprises a base, wherein one side of the top of the base is movably connected with the bottom of a rack through a rotating shaft, the top end of the rack is fixedly connected with a handle, and the side surface of the rack is provided with a saw blade and a protection device. This protection machanism passes through the cable in the mounting box, extension spring, the connecting rod of the outer both sides of piston and box, drives the switch of activity guard shield, and during the cutting, the activity guard shield is closed and is wrapped up the saw bit, and better stopping splashing of cutting bits has avoided the cutting bits that splashes to accidentally injure the operator, has strengthened safety in utilization, and the separation can be realized through the pivot with fixed guard shield to activity guard shield when the stop work, and the activity guard shield is opened, makes the inside cutting bits of clearance guard shield more convenient.

Description

Safety protection mechanism for sawing machine

Technical Field

The utility model relates to the technical field of sawing machines, in particular to a safety protection mechanism for a sawing machine.

Background

The sawing machine is a machine tool for cutting various metal materials, and can be divided into a band sawing machine, a circular sawing machine and a hacksawing machine according to the structure, wherein the band sawing machine and the circular sawing machine have wide application range and high efficiency. In addition, the device can be divided into a semi-automatic device, a full-automatic device and a numerical control device according to functions.

No matter which kind of sawing machine is at the in-process of cutting, all can produce splashing of cutting bits, and what its set up of sawing machine on the market at present blocks the guard shield shape and is mostly semi-circular, during the cutting, does not play a fine effect of blockking to the cutting bits that splashes, has brought certain potential safety hazard for the use, and accumulational cutting bits are also conveniently cleared up on guard shield inside and the saw bit after the cutting finishes in addition.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a safety protection mechanism for a sawing machine, which solves the above problems. In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a safety protection mechanism that sawing machine was used, includes the base, one side at base top is through the bottom swing joint of pivot with the frame, the top fixedly connected with handle of frame, the side of frame is provided with saw bit and protector.

The protection device comprises a mounting box, a fixed shield is fixedly connected to the bottom of the mounting box, one side of the fixed shield is fixedly mounted on the frame, a piston is sleeved on the inner portion of the mounting box in a movable mode, a stretching spring is fixedly connected to the bottom of the piston, two sides of the piston are respectively movably connected with one ends of two movable shields through connecting rods, the two connecting rods are respectively inserted into sliding grooves formed in two sides of the mounting box in a penetrating mode, the other ends of the movable shields are respectively movably connected with two ends of the fixed shield, and the movable shields are movably connected with one ends, opposite to the fixed shields, through rotating shafts.

The sliding groove is formed in the base, the left side of the inner wall of the sliding groove is movably connected with one side of the sliding block through the reset spring, the sliding block is arranged in the sliding groove, the other side of the sliding block is fixedly connected with a pull rope, the bottom of the rack is movably connected with the top of the sliding block through a push rod, and the push rod is inserted in a movable groove formed in the top of the base.

Preferably, one end of the extension spring is fixedly connected to the center of the bottom of the piston, and the other end of the extension spring is fixedly connected to the center of the top of the fixed shield.

Preferably, the two ends of the piston are respectively connected with the top ends of the two connecting rods in a rotating mode through rotating shafts, and the two connecting rods are symmetrically arranged about the central axis of the front face of the mounting box.

Preferably, one end of the inhaul cable is fixedly connected to the center of the bottom of the piston, and the other end of the inhaul cable is fixedly connected to the center of the right side face of the sliding block.

Preferably, the inhaul cable is inserted into the fixed shield and the rack, and the fixed shield and the movable shield are wrapped on the saw blade.

Preferably, the handle material is bakelite, and the surface of handle is provided with the skid resistant course.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the automatic opening and closing of the movable shield in the ascending or descending process of the rack is realized through the inhaul cable, the extension spring, the piston and the connecting rods on the two sides outside the box in the installation box, the shield is closed, so that the cutting scraps can be effectively prevented from splashing, a user is prevented from being accidentally injured, and certain convenience and safety are brought to the use.

According to the saw blade cutting device, the movable shield and the fixed shield are separated through the rotating shaft arranged at the joint of the fixed shield and the movable shield, and when the sawing machine stops working, the movable shield is automatically opened, so that cutting chips in the shield and on the surface of the saw blade can be conveniently cleaned.

Drawings

FIG. 1 is a side view of a structure of the present invention;

fig. 2 is an elevational, cross-sectional view of the structural shield of the present invention.

In the figure: 1. a base; 2. a rotating shaft; 3. a frame; 4. a guard; 41. mounting a box; 42. a connecting rod; 43. fixing the shield; 44. a movable shield; 45. an extension spring; 46. a piston; 5. a saw blade; 6. a push rod; 7. a handle; 8. a chute; 9. a cable; 10. a slider; 11. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a safety device for sawing machine, includes the base, and one side at base 1 top is through the bottom swing joint of pivot 2 with frame 3, and the top fixedly connected with handle 7 of frame 3, the side of frame 3 are provided with saw bit 5 and protector 4.

Protector 4 includes mounting box 41, the fixed guard shield 43 of bottom fixedly connected with of mounting box 41, one side fixed mounting of fixed guard shield 43 is in frame 3, piston 46 has been cup jointed in the inside activity of mounting box 41, piston 46's bottom fixedly connected with extension spring 45, piston 46's both sides all through connecting rod 42 respectively with the one end swing joint of two movable guard shields 44, and two connecting rods 42 alternate respectively in the sliding tray that mounting box 41 both sides were seted up, the other end of movable guard shield 44 respectively with the both ends swing joint of fixed guard shield 43, pivot swing joint is passed through with the relative one end of fixed guard shield 43 to movable guard shield 44.

Spout 8 has been seted up to base 1's inside, and reset spring 11 and slider 10's one side swing joint are passed through to the left side of 8 inner walls of spout, and slider 10 sets up in the inside of spout 8, and slider 10's opposite side fixedly connected with cable 9, and push rod 6 swing joint is passed through at the top of frame 3 and slider 10's top, and push rod 6 alternates at the movable groove that base 1 top was seted up.

In this embodiment, as shown in fig. 2, one end of the extension spring 45 is fixedly connected to the center of the bottom of the piston 46, and the other end of the extension spring 45 is fixedly connected to the center of the top of the fixed shield 43, so that the piston 46 is uniformly stressed during movement, and the movement process of the movable shield 44 driven by the connecting rod 42 is smoother.

In this embodiment, as shown in fig. 1 and 2, two ends of the piston 46 are rotatably connected to the top ends of the two connecting rods 42 through a rotating shaft, the two connecting rods 42 are symmetrically arranged about the central axis of the front surface of the mounting box 41, the rotating shaft is connected to separate the movable shield 44 from the fixed shield 43, so that the movable shield 44 can move independently, the cleaning and cutting inside the shield are facilitated, and the movable shield 44 can keep balance, coordination and synchronization during the movement process due to the symmetrical arrangement of the two connecting rods 42.

In this embodiment, as shown in fig. 1 and 2, one end of the cable 9 is fixedly connected to the center of the bottom of the piston 46, and the other end of the cable 9 is fixedly connected to the center of the right side of the slider 10, so that the movable shield 44 is uniformly stressed during movement, and the movable shield 44 is prevented from being unevenly stressed to generate jerking feeling during movement when being opened or closed.

In this embodiment, as shown in fig. 1 and fig. 2, the guy cable 9 is inserted into the fixed guard 43 and the frame 3, the fixed guard 43 and the movable guard 44 are both wrapped on the saw blade 5, and the guy cable 9 disposed inside can avoid the influence on the operation of other parts during the use process, and has a certain aesthetic property.

In this embodiment, as shown in fig. 1, the handle 7 material is bakelite, and the surface of handle is provided with the skid resistant course, adopts the bakelite material to make handle 7 firmer, and insulating nature promotes greatly, and the skid resistant course can make the people be difficult for taking off the hand in operation process, has avoided the potential safety hazard.

The use method and the advantages of the utility model are as follows: when the handle 7 is pressed down, the sliding block 10 in the base 1 is moved leftwards through the push rod 6, so that the inhaul cable 9 is pulled to move downwards, and meanwhile, the inhaul cable 9 drives the piston 46 and the connecting rod 42 to move, and the movable shield 44 is automatically put down when the handle 7 is pressed down. When the handle 7 is lifted, the piston 46 moves upwards under the action of the extension spring 45 in the mounting box 41, so that one end of the cable 9 is driven to move upwards, the cable 9 drives the connecting rod 42 and the movable shield 44 to move upwards, meanwhile, the other end of the cable 9 stops lifting when the movable shield 44 is lifted to a certain height under the action of the return spring 11, and automatic lifting of the movable shield 44 is realized when the handle 7 is lifted.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a safety protection mechanism that sawing machine was used, includes base (1), its characterized in that: one side of the top of the base (1) is movably connected with the bottom of the rack (3) through a rotating shaft (2), the top end of the rack (3) is fixedly connected with a handle (7), and a saw blade (5) and a protective device (4) are arranged on the side surface of the rack (3);

the protection device (4) comprises a mounting box (41), a fixed shield (43) is fixedly connected to the bottom of the mounting box (41), one side of the fixed shield (43) is fixedly mounted on the rack (3), a piston (46) is movably sleeved in the mounting box (41), an extension spring (45) is fixedly connected to the bottom of the piston (46), two sides of the piston (46) are respectively and movably connected with one ends of two movable shields (44) through connecting rods (42), the two connecting rods (42) are respectively inserted into sliding grooves formed in two sides of the mounting box (41), and one ends of the movable shields (44) opposite to the fixed shield (43) are movably connected through rotating shafts;

spout (8) have been seted up to the inside of base (1), one side swing joint of reset spring (11) and slider (10) is passed through in the left side of spout (8) inner wall, slider (10) set up in the inside of spout (8), and the opposite side fixedly connected with cable (9) of slider (10), the other end of cable (9) and the bottom fixed connection of piston (46), with the bottom fixed connection of piston (46), push rod (6) swing joint is passed through with the top of slider (10) in the bottom of frame (3), and push rod (6) alternate the activity inslot of seting up at base (1) top.

2. A safety guard mechanism for a sawing machine as claimed in claim 1 wherein: one end of the extension spring (45) is fixedly connected to the center of the bottom of the piston (46), and the other end of the extension spring (45) is fixedly connected to the center of the top of the fixed shield (43).

3. A safety guard mechanism for a sawing machine as claimed in claim 1 wherein: two ends of the piston (46) are respectively connected with the top ends of the two connecting rods (42) in a rotating mode through rotating shafts, and the two connecting rods (42) are symmetrically arranged relative to the central axis of the front face of the mounting box (41).

4. A safety guard mechanism for a sawing machine as claimed in claim 1 wherein: one end of the inhaul cable (9) is fixedly connected to the center of the bottom of the piston (46), and the other end of the inhaul cable (9) is fixedly connected to the center of the right side face of the sliding block (10).

5. A safety guard mechanism for a sawing machine as claimed in claim 1 wherein: the inhaul cable (9) penetrates through the fixed shield (43) and the rack (3), and the fixed shield (43) and the movable shield (44) are wrapped on the saw blade (5).

6. A safety guard mechanism for a sawing machine as claimed in claim 1 wherein: the handle (7) is made of bakelite, and an anti-skid layer is arranged on the surface of the handle (7).