CN210476500U

CN210476500U - High security angle mill

Info

Publication number: CN210476500U
Application number: CN201921528962.9U
Authority: CN
Inventors: 童振雄; 潘正达
Original assignee: Zhejiang Yongkang Shangpu Industry And Trade Co Ltd
Current assignee: Zhejiang Yongkang Shangpu Industry And Trade Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-05-08
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a high-safety angle grinder, which comprises an angle grinder body and an auxiliary frame, wherein one end of the angle grinder body is fixed with an auxiliary shell through a screw, and one side of the auxiliary shell is fixed with an infrared sensor through a screw; the angle grinder is characterized in that a motor is arranged in the angle grinder body, an output shaft of the motor is connected with an angular grinding wheel fixing shaft through a transmission mechanism, and an angular grinding wheel is fixed at one end of the angular grinding wheel fixing shaft through a fixing piece. The utility model discloses a set up infrared sensor for detect whether the human body is close to, avoid the staff to be close to the emergence that the angle emery wheel continued work leads to the dangerous accident, the collocation uses the protection casing, can play the effect of protection, produces dangerous accident when avoiding handing the angle grinder body handle and takes place; the infrared sensor monitors whether a human body approaches in real time, when the human body exists, the control unit controls the motor to be turned off, and when the dangerous phenomenon does not occur, the motor continues to operate; thereby ensuring the dangerous phenomenon of equipment operation.

Description

High security angle mill

Technical Field

The utility model relates to an angle mill technical field especially relates to a high security angle mill.

Background

Grinders, also known as grinders or disc grinders, are abrasive tools used for cutting and grinding glass fiber reinforced plastics. The angle grinder is a portable electric tool for cutting and grinding by using glass fiber reinforced plastics, and is mainly used for cutting, grinding and brushing metal, stone and the like; most angle grinders are of handheld type and base frame type structures.

Through search, chinese patent application No. 201721256471.4 discloses an angle grinder, which includes: a housing; a motor; a switch; a trigger having a first end pivotally mounted within the housing and a press portion projecting longitudinally outwardly from the housing, wherein the trigger has a resiliently preset release position and an actuation position that energizes the switch. One of the angle grinders in the above patent suffers from the following disadvantages: the angle grinder only uses the cover body for protection, and the angle grinding wheel with the exposed front end has no protection measures, so that the danger coefficient is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-safety angle grinder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-safety angle grinder comprises an angle grinder body and an auxiliary frame, wherein an auxiliary shell is fixed at one end of the angle grinder body through a screw, and an infrared sensor is fixed at one side of the auxiliary shell through a screw; a motor is arranged in the angle grinder body, an output shaft of the motor is connected with an angular grinding wheel fixing shaft through a transmission mechanism, and an angular grinding wheel is fixed at one end of the angular grinding wheel fixing shaft through a fixing piece; one end of the auxiliary shell is fixed with a protective cover through a fastening rod; the signal output end of the infrared sensor is connected to the power control end of the motor through the control unit.

Preferably, the auxiliary frame comprises a base, an angle grinder fixing mechanism and a clamping mechanism; the angle grinder fixing mechanism comprises a sliding rail fixed to the top end of a base, the top end of the sliding rail is connected with a base frame seat in a sliding mode, the top end of the base frame seat is hinged to a base frame through a hinge seat, two fastening pieces are fixed to the outer wall of one side of the base frame through bolts, fixing seats are fixed to one ends of the two fastening pieces through bolts, and the angle grinder body is fixed between the two fixing seats through screws.

Preferably, one end of the pedestal base is welded with a hanging column, the outer wall of the hanging column is hung with a limiting spring through a hanging ring, and the top end of the limiting spring is fixed at the bottom end of the pedestal through a shaft pin.

Preferably, fixture is including seting up the restriction groove on base top, and the restriction inslot is fixed with the threaded rod through the bearing, and all there is the holding frame at the both ends of threaded rod through threaded connection, and the one end welding of threaded rod has Z type handle.

Preferably, the thread directions of the two ends of the threaded rod are opposite.

Preferably, a hand-held handle is welded on the outer wall of one side of the base frame and is positioned at one end far away from the angle grinding wheel.

The utility model has the advantages that:

1. the infrared sensor is arranged to detect whether a human body approaches, so that dangerous accidents caused by the fact that the angle grinding wheel continues to work when a human hand approaches are avoided, and the protection function can be achieved by matching the protection cover, so that dangerous accidents caused by the fact that the handle of the angle grinder body is held by hands are avoided; the infrared sensor monitors whether a human body approaches in real time, when the human body exists, the control unit controls the motor to be turned off, and when the dangerous phenomenon does not occur, the motor continues to operate; thereby ensuring the dangerous phenomenon of equipment operation.

2. By arranging the auxiliary frame, the angle grinder body can be arranged in the auxiliary frame, so that the cutting of a large workpiece is completed; flexible use and simple operation; through setting up fixture, surely just fixture controls through a screw rod, and the cooperation Z type handle can the centre gripping fixed work piece of different specifications, and application scope is wide.

3. The top end of the limiting spring is fixed at the bottom end of the base frame through a shaft pin; thereby can protect the bed frame, avoid the phenomenon that the bed frame regulation is out of control and leads to dangerous accident to take place in cutting process.

Drawings

FIG. 1 is a schematic structural view of a high-safety angle grinder body of the angle grinder of the present invention;

FIG. 2 is a schematic structural view of an auxiliary frame of the high-safety angle grinder of the present invention;

FIG. 3 is a schematic structural view of a fixing mechanism of a high-safety angle grinder according to the present invention;

fig. 4 is a control flow chart of the high-safety angle grinder provided by the present invention.

In the figure: the angle grinder comprises a grinder body 1, an auxiliary shell 2, a fastening rod 3, an infrared sensor 4, an angle grinding wheel 5, a fixing piece 6, a protective cover 7, a base 8, a sliding rail 9, a base frame 10, a handheld handle 11, a clamping frame 12, a threaded rod 13, a base frame seat 14, a limiting spring 15, a hinge seat 16, a fixed seat 17 and a fastening piece 18.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1 to 4, a high-safety angle grinder includes an angle grinder body 1 and an auxiliary frame; an auxiliary shell 2 is fixed at one end of the angle grinder body 1 through a screw, and an infrared sensor 4 is fixed at one side of the auxiliary shell 2 through a screw and used for detecting whether a human body approaches or not, so that dangerous accidents caused by the fact that an angle grinding wheel continues to work when a human hand approaches are avoided; a motor is arranged in the angle grinder body 1, an output shaft of the motor is connected with an angular grinding wheel fixing shaft through a transmission mechanism, and an angular grinding wheel 5 is fixed at one end of the angular grinding wheel fixing shaft through a fixing piece 6; a protective cover 7 is fixed at one end of the auxiliary shell 2 through a fastening rod 3, so that a protective effect can be achieved, and dangerous accidents caused when a handle of the angle grinder body 1 is held by a hand are avoided; meanwhile, the signal output end of the infrared sensor 4 is connected with the power supply control end of the motor through a control unit; the infrared sensor 4 monitors whether a human body approaches in real time, when the human body appears, the control unit controls the motor to be turned off, and when the dangerous phenomenon does not appear, the motor continues to operate; thereby ensuring the dangerous phenomenon of equipment operation.

The auxiliary frame comprises a base 8, an angle grinder fixing mechanism and a clamping mechanism; the angle grinder fixing mechanism comprises a slide rail 9 fixed at the top end of a base 8, the top end of the slide rail 9 is connected with a base frame seat 14 in a sliding mode, the top end of the base frame seat 14 is hinged to a base frame 10 through a hinge seat 16, two fastening pieces 18 are fixed to the outer wall of one side of the base frame 10 through bolts, fixing seats 17 are fixed to one ends of the two fastening pieces 18 through bolts, and the angle grinder body 1 is fixed between the two fixing seats 17 through screws; so that the angle grinder body 1 can be installed in the auxiliary frame, thereby completing the cutting of large workpieces; flexible use and simple operation.

Wherein, one end of the base frame seat 14 is welded with a hanging column, the outer wall of the hanging column is hung with a limiting spring 15 through a hanging ring, and the top end of the limiting spring 15 is fixed at the bottom end of the base frame 10 through a shaft pin; therefore, the base frame 10 can be protected, and the phenomenon that the base frame 10 is out of control during the cutting process to cause dangerous accidents is avoided.

The clamping mechanism comprises a limiting groove formed in the top end of the base 8, a threaded rod 13 is fixed in the limiting groove through a bearing, two ends of the threaded rod 13 are connected with clamping frames 12 through threads, and a Z-shaped handle is welded at one end of the threaded rod 13, so that the clamping frames 12 can be adjusted by rotating the Z-shaped handle; in this embodiment, preferably, the screw thread turning directions at the two ends of the threaded rod 13 are opposite, so that the two clamping frames 12 can be adjusted by the threaded rod 13 to move back to back or in opposite directions, and the clamping effect of the clamping pieces with different specifications can be achieved.

The working principle is as follows: when the angle grinder needs to be flexibly used, the handle of the angle grinder body 1 is held by hands, the motor is started to drive the angle grinding wheel 5 to operate, the protective cover 7 can play a role in protection, and the angle grinding wheel 5 with the other end exposed is detected by the infrared sensor 4, so that dangerous accidents are avoided; when fixed cutting needs to be used, the angle grinder body 1 can be fixed between two fixing seats 17 on the auxiliary frame, namely, the distance between two clamping frames 12 can be adjusted through the Z-shaped handle rotating threaded rod 13, clamping of a workpiece is completed, and after clamping is completed, the angle grinder is used by adjusting the base frame 10 and the sliding rail 9.

Example 2

Referring to fig. 2, in order to facilitate manual adjustment of the base frame 10, in this embodiment, compared with embodiment 1, a hand-held handle 11 is welded to an outer wall of one side of the base frame 10, and the hand-held handle 11 is located at an end away from the angle grinding wheel 5; the adjustment of the base frame 10 is convenient and the safety is ensured.

The working principle is as follows: when adjusting bed frame 10, press through handheld handle 11 can, the other hand press the handle of angle mill body 1 can, convenient operation, the security is high.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-safety angle grinder comprises an angle grinder body (1) and an auxiliary frame, and is characterized in that one end of the angle grinder body (1) is fixed with an auxiliary shell (2) through a screw, and one side of the auxiliary shell (2) is fixed with an infrared sensor (4) through a screw; a motor is arranged in the angle grinder body (1), an output shaft of the motor is connected with an angular grinding wheel fixing shaft through a transmission mechanism, and an angular grinding wheel (5) is fixed at one end of the angular grinding wheel fixing shaft through a fixing piece (6); a protective cover (7) is fixed at one end of the auxiliary shell (2) through a fastening rod (3); and the signal output end of the infrared sensor (4) is connected to the power supply control end of the motor through the control unit.

2. The high-safety angle grinder of claim 1, wherein the auxiliary frame comprises a base (8), an angle grinder fixing mechanism and a clamping mechanism; angle mill fixed establishment is including being fixed in slide rail (9) on base (8) top, and the top sliding connection of slide rail (9) has base frame seat (14), and the top of base frame seat (14) is articulated through hinge seat (16) has bed frame (10), and one side outer wall of bed frame (10) has two mounting plate (18) through the bolt fastening, and the one end of two mounting plate (18) all has fixing base (17) through the bolt fastening, and angle mill body (1) is fixed in between two fixing base (17) through the screw.

3. The high-safety angle grinder as claimed in claim 2, wherein a hanging column is welded to one end of the base frame seat (14), a limiting spring (15) is hung on the outer wall of the hanging column through a hanging ring, and the top end of the limiting spring (15) is fixed to the bottom end of the base frame (10) through a shaft pin.

4. The high-safety angle grinder as claimed in claim 3, wherein the clamping mechanism comprises a limiting groove formed in the top end of the base (8), a threaded rod (13) is fixed in the limiting groove through a bearing, both ends of the threaded rod (13) are connected with clamping frames (12) through threads, and a Z-shaped handle is welded at one end of the threaded rod (13).

5. A high-safety angle grinder as claimed in claim 4, characterized in that the thread direction of the two ends of the threaded rod (13) is opposite.

6. The high-safety angle grinder of claim 5, wherein a hand-held handle (11) is welded on the outer wall of one side of the base frame (10), and the hand-held handle (11) is located at one end far away from the angle grinding wheel (5).