阅读说明：本技术 一种数控铣床松刀保护装置 (Numerical control milling machine tool loosening protection device ) 是由 郑琳琳 于 2020-08-03 设计创作，主要内容包括：一种数控铣床松刀保护装置,包括活动杆,所述活动杆右侧设有齿条,所述活动杆右侧设有滑动体,所述滑动体与所述活动杆之间设有锁紧机构,所述活动杆下侧固定设有摩擦块,所述滑动体下侧固定设有所述摩擦块,所述活动杆右侧固定设有弧形体,将本装置安装于机床指定位置,本装置把刀具非作用部位罩住,本装置将检测刀刀具的跳动,当意外发生时,迅速开启保护装置,阻止失控的刀具飞出,保护操作人员的生命安全,本装置适应性强,可安装在大多数数控铣床上,本装置末端结构紧凑,不易产生干涉,不占用太多加工空间。(The utility model provides a numerical control milling machine knife loosening protection device, includes the movable rod, the movable rod right side is equipped with the rack, the movable rod right side is equipped with the sliding body, the sliding body with be equipped with locking mechanism between the movable rod, the fixed clutch blocks that is equipped with of movable rod downside, the fixed clutch blocks that is equipped with of sliding body downside, the fixed arc body that is equipped with in movable rod right side installs this device in the lathe assigned position, and this device covers cutter non-action position, and this device will detect beating of sword cutter, when unexpected the emergence, opens protection device rapidly, prevents out of control cutter departure, protection operating personnel's life safety, and this device strong adaptability, the mountable is on most of numerical control milling machines, and this device end structure is compact, and difficult production is interfered, does not occupy too much process space.)

1. The utility model provides a numerically controlled fraise machine knife loosening protection device, includes the movable rod, its characterized in that: the right side of the movable rod is provided with a rack, the right side of the movable rod is provided with a sliding body, a locking mechanism is arranged between the sliding body and the movable rod, the lower side of the movable rod is fixedly provided with a friction block, the lower side of the sliding body is fixedly provided with the friction block, the right side of the movable rod is fixedly provided with an arc-shaped body, the right side of the sliding body is fixedly provided with the arc-shaped body, the rear side of the arc-shaped body is provided with a pop-up cavity, a pop-up slider is arranged in the pop-up cavity in a sliding manner, the upper side wall body of the pop-up cavity is fixedly provided with a reset magnet, the rear side of the pop-up slider is fixedly provided with a blocking body, a blocking cavity is arranged in the blocking body, a non-Newton fluid is arranged in the blocking cavity, an acceleration chamber is arranged outside the, the ejection slide block is positioned in the acceleration chamber and is fixedly provided with an ejection shaft, the ejection shaft is fixedly provided with an acceleration line, the acceleration chamber is provided with an ejection cavity, an ejection block is arranged in the ejection cavity in a sliding manner and is provided with a driving wheel, an ejection spring is arranged between the ejection block and the side wall body of the ejection cavity, the right side of the ejection block is provided with an acceleration groove, the side wall body of the ejection cavity is provided with an acceleration switch groove, an ejection stop block is arranged in the acceleration switch groove in a sliding manner, the right side of the acceleration switch groove is fixedly provided with an ejection electromagnet, a spring is arranged between the ejection electromagnet and the ejection stop block, the ejection stop block is clamped in the acceleration groove, the upper side of the ejection block is fixedly provided with a reset linkage rod, the inner side of the acceleration chamber is positioned on the upper side of the ejection cavity and is provided with a reset cavity, the reset rod is positioned at the rear side of the ratchet wheel and is fixedly provided with a reset gear, the reset gear is meshed with the reset linkage rod, the upper side wall body of the reset cavity is fixedly provided with a ratchet claw, the reset cavity is positioned at the right side of the ratchet claw and is provided with a ratchet magnet, a clearance hole is communicated between the reset cavity and the ejection cavity, the reset linkage rod passes through the clearance hole, the upper side wall body of the ejection cavity is fixedly provided with a buffer pad, an accelerating line passes through the fixed wheel and the driving wheel, the accelerating line is fixed at the tail end of the fixed wheel, the outer side of the reset cavity is fixedly provided with a reset hand wheel, the left side of the movable rod is provided with a lifting hole, the right side of the sliding body is provided with the lifting hole, the lifting shaft is arranged in the lifting hole in a sliding manner, the right side of the movable rod is connected with a locking screw in a threaded manner, the adjustable material cutter is characterized in that an adjusting rod is rotatably arranged in the adjusting cavity, an adjusting screw is connected to the adjusting rod in a threaded mode, a conical baffle is fixedly arranged on the lower side of the adjusting rod, a measuring mechanism is arranged at the bottom of the conical baffle, and the measuring mechanism can enable the material cutter to jump.

2. The numerical control milling machine tool release protection device of claim 1, wherein: locking mechanism includes the slip chamber that the sliding body was equipped with, slip chamber tilting is equipped with the pivot, the pivot is located the fixed gear that is equipped with in the slip chamber, the gear with rack toothing, the pivot is located the fixed ratchet that is equipped with of gear upside, the slip chamber is located gear right side upside wall body is equipped with locking switch, locking switch can make ratchet unidirectional rotation, the slip chamber is located ratchet upside wall body is equipped with the hole, the pivot is passed through the hole in slip chamber, the fixed hand wheel that is equipped with in pivot upper end.

3. The numerical control milling machine tool release protection device of claim 1, wherein: the locking switch includes the switch chamber that the lateral wall body was equipped with on the slip chamber, the switch intracavity rotates and is equipped with the switch axle, the switch axle extends to the fixed switch lever that is equipped with of slip body up end, the terminal surface extends to under the switch axle in the slip chamber, the terminal surface is fixed to be equipped with the pivot under the switch axle, the fixed ratchet claw that is equipped with in pivot, the ratchet claw with be equipped with the ratchet torsional spring between the lateral wall body on the switch axle, the ratchet claw with ratchet meshing.

4. The numerical control milling machine tool release protection device of claim 1, wherein: the measuring mechanism includes the length adjustment room that the toper baffle downside was equipped with, the indoor slip of length adjustment is equipped with measures the body, measure the body with be equipped with the line between the length adjustment room, length adjustment room left side is rotated and is equipped with the spool, the spool with it is equipped with the line to measure to connect between the body, the fixed spool regulating wheel that is equipped with in spool rear side, the toper baffle is located measure the body downside and be equipped with and measure the locking nail, measure the internal response chamber that is equipped with of body, the response chamber slides and is equipped with the measuring shaft, the fixed inductive switch that is equipped with in response chamber left side, inductive switch with be equipped with the spring between the measuring shaft, the measuring shaft right side extends one section distance.

Technical Field

The invention relates to the field of numerical control milling machines, in particular to a cutter loosening protection device for a numerical control milling machine.

Background

The numerical control milling machine can process parts which cannot be processed or are difficult to process by a common machine tool, has high production automation degree, can reduce the labor intensity of an operator, and is widely applied to modern enterprises.

Disclosure of Invention

The invention aims to solve the technical problem of providing a numerical control milling machine cutter loosening protection device, and overcomes the problems.

The invention is realized by the following technical scheme.

The invention relates to a numerical control milling machine tool loosening protection device, which comprises a movable rod, wherein a rack is arranged on the right side of the movable rod, a sliding body is arranged on the right side of the movable rod, a locking mechanism is arranged between the sliding body and the movable rod, a friction block is fixedly arranged on the lower side of the movable rod, the friction block is fixedly arranged on the lower side of the sliding body, an arc-shaped body is fixedly arranged on the right side of the movable rod, the arc-shaped body is fixedly arranged on the right side of the sliding body, a popup cavity is arranged on the rear side of the arc-shaped body, a popup slide block is slidably arranged in the popup cavity, a reset magnet is fixedly arranged on the upper side wall body of the popup cavity, a blocking body is fixedly arranged on the rear side of the popup slide block, a blocking cavity is arranged in the blocking body, non-Newtonian fluid is arranged in the blocking cavity, an acceleration, the accelerating mechanism comprises a fixed wheel fixedly arranged on the lower side of the accelerating chamber, an ejecting shaft is fixedly arranged in the accelerating chamber, an accelerating line is fixedly arranged on the ejecting shaft, an ejecting cavity is arranged in the accelerating chamber, an ejecting block is arranged in the ejecting cavity in a sliding manner, a driving wheel is arranged on the ejecting block, an ejecting spring is arranged between the ejecting block and the wall body on the lower side of the ejecting cavity, an accelerating groove is arranged on the right side of the ejecting block, an accelerating switch groove is arranged in the wall body on the right side of the ejecting cavity, an ejecting stop block is arranged in the accelerating switch groove in a sliding manner, an ejecting electromagnet is fixedly arranged on the right side of the accelerating switch groove, a spring is arranged between the ejecting electromagnet and the ejecting stop block, the ejecting stop block is clamped in the accelerating groove, a resetting linkage rod is fixedly arranged on the upper side of the ejecting block, and a resetting, the inner side of the reset cavity is provided with a reset rod, the reset rod is fixedly provided with a ratchet wheel, the reset rod is positioned at the rear side of the ratchet wheel and is fixedly provided with a reset gear, the reset gear is meshed with the reset linkage rod, the upper side wall body of the reset cavity is fixedly provided with a ratchet claw, the reset cavity is positioned at the right side of the ratchet claw and is provided with a ratchet magnet, a clearance hole is communicated between the reset cavity and the ejection cavity, the reset linkage rod passes through the clearance hole, the upper side wall body of the ejection cavity is fixedly provided with a cushion pad, an acceleration line passes through the fixed wheel and the driving wheel, the acceleration line is fixed at the tail end of the fixed wheel, the outer side of the reset cavity is fixedly provided with a reset hand wheel, the left side of the movable rod is provided with a lifting hole, the right side of the sliding body is provided with the lifting hole, a, the end part of the locking screw abuts against the lifting shaft, an adjusting cavity is formed in the rear end of the lifting shaft, an adjusting rod is rotatably arranged in the adjusting cavity, an adjusting screw is connected to the adjusting rod in a threaded mode, a conical baffle is fixedly arranged on the lower side of the adjusting rod, a measuring mechanism is arranged at the bottom of the conical baffle, and the measuring mechanism can enable a material cutter to jump.

Further, locking mechanism includes the slip chamber that the sliding body was equipped with, slip chamber tilting is equipped with the pivot, the pivot is located the fixed gear that is equipped with in the slip chamber, the gear with rack toothing, the pivot is located the fixed ratchet that is equipped with of gear upside, the slip chamber is located the lateral wall body is equipped with locking switch on the gear right side, locking switch can make ratchet unidirectional rotation, the slip chamber is located the lateral wall body is equipped with the hole on the ratchet, the pivot is passed through the hole in slip chamber, the fixed hand wheel that is equipped with in pivot upper end.

Further, the locking switch includes the switch chamber that the side wall body was equipped with on the slip chamber, the rotation is equipped with the switch axle in the switch chamber, the switch axle extends to the fixed switch lever that is equipped with of slip body up end, terminal surface extends to under the switch axle in the slip chamber, the terminal surface is fixed to be equipped with the pivot under the switch axle, the fixed ratchet claw that is equipped with in pivot, the ratchet claw with be equipped with the ratchet torsional spring between the side wall body on the switch axle, the ratchet claw with the ratchet meshing.

Further, measuring mechanism includes the length adjustment room that the toper baffle downside was equipped with, the indoor slip of length adjustment is equipped with measures the body, measure the body with be equipped with the line between the length adjustment room, length adjustment room left side is rotated and is equipped with the spool, the spool with it is equipped with the line to measure to connect between the body, the fixed spool regulating wheel that is equipped with in spool rear side, the toper baffle is located measure the body downside and be equipped with and measure the locking nail, measure the internal response chamber that is equipped with, the slip of response chamber is equipped with the measuring shaft, the fixed inductive switch that is equipped with in response chamber left side, inductive switch with be equipped with the spring between the measuring shaft, one section distance extends on the measuring shaft right side.

The invention has the beneficial effects that: install this device in lathe assigned position, this device covers cutter non-action position, and this device will detect the beating of sword cutter, when the accident takes place, opens protection device rapidly, prevents the cutter departure out of control, protection operating personnel's life safety, and this device strong adaptability, the mountable is on most of numerical control milling machines, and this device end compact structure is difficult for producing the interference, does not occupy too much processing space.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

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

FIG. 2 is a front view of FIG. 1;

FIG. 3 is an enlarged schematic view of the accelerating mechanism 70 of FIG. 2;

FIG. 4 is a cross-sectional view taken at A in FIG. 1;

FIG. 5 is a schematic view of the structure at B in FIG. 1;

fig. 6 is a sectional view at C in fig. 2.

Detailed Description

As will be described in greater detail below in conjunction with fig. 1-6, wherein for ease of description, the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The numerical control milling machine tool loosening protection device comprises a movable rod 10, a rack 13 is arranged on the right side of the movable rod 10, a sliding body 14 is arranged on the right side of the movable rod 10, a locking mechanism 71 is arranged between the sliding body 14 and the movable rod 10, a friction block 11 is fixedly arranged on the lower side of the movable rod 10, the friction block 11 is fixedly arranged on the lower side of the sliding body 14, an arc-shaped body 15 is fixedly arranged on the right side of the movable rod 10, the arc-shaped body 15 is fixedly arranged on the right side of the sliding body 14, an ejection cavity 22 is arranged on the rear side of the arc-shaped body 15, an ejection slide block 36 is slidably arranged in the ejection cavity 22, a reset magnet 79 is fixedly arranged on the upper side wall body of the ejection cavity 22, a blocking body 23 is fixedly arranged on the rear side of the ejection slide block 36, a blocking cavity 24 is arranged in the blocking cavity 23, a non-Newtonian fluid is arranged in, the accelerating chamber 53 is provided with an accelerating mechanism 70, the accelerating mechanism 70 drives the ejecting slide block 36 to rapidly move downwards, the accelerating mechanism 70 comprises a fixed wheel 55 fixedly arranged at the lower side of the accelerating chamber 53, the ejecting slide block 36 is positioned in the accelerating chamber 53 and is fixedly provided with an ejecting shaft 32, the ejecting shaft 32 is fixedly provided with an accelerating line 54, the accelerating chamber 53 is provided with an ejecting cavity 56, an ejecting block 59 is arranged in the ejecting cavity 56 in a sliding manner, the ejecting block 59 is provided with a driving wheel 66, an ejecting spring 58 is arranged between the ejecting block 59 and the lower side wall body of the ejecting cavity 56, the right side of the ejecting block 59 is provided with an accelerating groove 73, the right side wall body of the ejecting cavity 56 is provided with an accelerating switch groove 74, an ejecting block 60 is arranged in the accelerating switch groove 74 in a sliding manner, an ejecting electromagnet 61 is fixedly arranged at the right side of the ejecting switch groove 74, a spring is arranged between the electromagnet, the ejection block 60 is clamped in the acceleration groove 73, a reset linkage rod 64 is fixedly arranged on the upper side of the ejection block 59, a reset cavity 75 is arranged on the inner side of the acceleration chamber 53 and is positioned on the upper side of the ejection cavity 56, a reset rod 63 is arranged on the inner side of the reset cavity 75, a ratchet 67 is fixedly arranged on the reset rod 63, a reset gear 78 is fixedly arranged on the rear side of the ratchet 67 and is positioned on the reset rod 63, the reset gear 78 is meshed with the reset linkage rod 64, a ratchet claw 68 is fixedly arranged on the upper side wall of the reset cavity 75, a ratchet magnet 69 is arranged on the right side of the ratchet claw 68 and is positioned on the reset cavity 75, a clearance hole 65 is communicated between the reset cavity 75 and the ejection cavity 56, the reset linkage rod 64 passes through the clearance hole 65, a cushion pad 57 is fixedly arranged on the upper side wall of the ejection cavity 56, the acceleration line 54 passes through the fixed wheel 55 and the driving wheel 66, and, the fixed hand wheel 62 that resets that is equipped with in the 75 outsides of chamber that resets, movable rod 10 left side is equipped with lift hole 35, the 14 right sides of sliding body is equipped with lift hole 35, it is equipped with lift axle 33 to slide in the lift hole 35, movable rod 10 right side threaded connection is equipped with locking screw 34, locking screw 34 tip with lift axle 33 offsets, lift axle 33 rear end is equipped with adjustment chamber 38, the adjustment chamber 38 internal rotation is equipped with adjusting lever 76, threaded connection is equipped with adjusting screw 39 on the adjusting lever 76, the fixed toper baffle 40 that is equipped with of adjusting lever 76 downside, toper baffle 40 bottom is equipped with measuring mechanism 77, but measuring mechanism 77 material cutter beats.

Beneficially, locking mechanism 71 includes the slip chamber 16 that the sliding body 14 was equipped with, slip chamber 16 tilting is equipped with pivot 17, pivot 17 is located the fixed gear 18 that is equipped with in the slip chamber 16, gear 18 with rack 13 meshes, pivot 17 is located the fixed ratchet 19 that is equipped with of gear 18 upside, slip chamber 16 is located 18 right side upside wall body of gear is equipped with lock switch 72, lock switch 72 can make ratchet 19 unidirectional rotation, slip chamber 16 is located ratchet 19 upside wall body is equipped with the hole, pivot 17 passes through the hole in slip chamber 16, the fixed hand wheel 21 that is equipped with in pivot 17 upper end.

Beneficially, locking switch 72 includes the switch chamber 31 that the lateral wall body was equipped with on the slip chamber 16, the internal rotation of switch chamber 31 is equipped with switch shaft 26, switch shaft 26 extends to the fixed switch lever 25 that is equipped with of slider 14 up end, terminal surface extends to under the switch shaft 26 in the slip chamber 16, terminal surface is fixed to be equipped with pivot 27 under the switch shaft 26, pivot 27 is fixed and is equipped with ratchet claw 28, ratchet claw 28 with be equipped with ratchet torsional spring 29 between the lateral wall body on the switch shaft 26, ratchet claw 28 with the ratchet 19 meshing.

Beneficially, measuring mechanism 77 includes length adjustment chamber 46 that toper baffle 40 downside was equipped with, it is equipped with measuring body 47 to slide in the length adjustment chamber 46, measuring body 47 with be equipped with line 44 between the length adjustment chamber 46, length adjustment chamber 46 left side is rotated and is equipped with spool 43, spool 43 with it is equipped with line 44 to connect between measuring body 47, the fixed spool regulating wheel 45 that is equipped with in spool 43 rear side, toper baffle 40 is located measuring body 47 downside is equipped with measures locking nail 51, be equipped with response chamber 50 in the measuring body 47, response chamber 50 slides and is equipped with measuring shaft 49, response chamber 50 left side is fixed and is equipped with inductive switch 52, inductive switch 52 with be equipped with the spring between measuring shaft 49, measuring shaft 49 right side extends out a section distance.

The working steps are as follows: the device is arranged on the upper side of a machine head of a numerical control milling machine, so that the friction blocks 11 are in contact with the wall body of the machine head, a hand wheel 21 is rotated, the hand wheel 21 drives a ratchet wheel 19 through a rotating shaft 17, the ratchet wheel 19 drives the rotating shaft 17 to rotate in a single direction under the action of a locking switch 72, and a gear 18 drives a rack 13 to move leftwards, so that the friction blocks 11 on the left side and the right side are pressed on the upper side; sliding the lifting shaft 33, rotating the locking screw 34, adjusting the height of the lifting shaft 33, rotating the conical baffle 40, rotating the adjusting screw 39, locking the adjusting rod 76, and adjusting the rotating angle of the conical baffle 40 to enable the conical baffle 40 to be close to the machine head, so that the processing space is saved, and the interference with a workpiece is avoided; rotating the bobbin adjusting wheel 45, pulling the wire 44 by the bobbin adjusting wheel 45 through the wire shaft 43, driving the measuring body 47 to move leftwards by the wire 44, and finely adjusting the distance between the measuring shaft 49 and the cutter; the machine tool is started, the main shaft starts to rotate, the measuring mechanism 77 detects the shaking amount of the tool in real time, if the tool shakes abnormally, the measuring shaft 49 is compressed, the inductive switch 52 is triggered by the measuring shaft 49, the inductive switch 52 controls the ratchet magnet 69 to attract the ratchet claw 68 to separate from the ratchet 67, the reset linkage rod 64 can move up and down freely, the inductive switch 52 controls the ejection electromagnet 61 to be opened, the ejection electromagnet 61 attracts the ejection stopper 60 to retreat, the ejection spring 58 pushes the ejection block 59 to move upwards, the ejection block 59 drives the ejection shaft 32 to move downwards rapidly through the driving wheel 66, the fixed wheel 55 and the acceleration line 54, and the ejection shaft 32 pushes the stopper 23 to wrap the periphery of the tool so as to prevent the tool from being ejected; when the ejection block 23 is reset, the ratchet magnet 69 is closed, the ratchet pawl 68 is meshed with the ratchet 67, the reset hand wheel 62 is rotated, the reset hand wheel 62 drives the reset linkage rod 64 to move downwards in a single direction, the reset linkage rod 64 compresses the ejection block 59 to move downwards, the blocking body 23 is manually pushed to reset to the initial position, the reset magnet 79 attracts the ejection slide block 36, and resetting is completed.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.