CN111220046A - Semi-automatic twist drill detection device - Google Patents
Semi-automatic twist drill detection device Download PDFInfo
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- CN111220046A CN111220046A CN202010223213.6A CN202010223213A CN111220046A CN 111220046 A CN111220046 A CN 111220046A CN 202010223213 A CN202010223213 A CN 202010223213A CN 111220046 A CN111220046 A CN 111220046A
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- long arm
- rotating shaft
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- groove
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/243—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for measuring chamfer
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- General Physics & Mathematics (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention belongs to the technical field of machining detection tools, and relates to a semi-automatic twist drill detection device. The semi-automatic twist drill detection device's mainboard on fixed V type groove for place the twist drill of being surveyed, the mainboard front end has preceding pivot, preceding pivot fixed mounting is on the mainboard to with the upper surface vertical of mainboard, preceding pivot top has preceding pivot cap, the mainboard afterbody has lower spout, the plane that the axle center through preceding pivot and the center of lower spout formed is this detection device's central plane, note makes the central plane, V type groove is symmetrical for the central plane, lower spout also is symmetrical for the central plane. It can be observed whether the angle of the two main cutting edges coincides with the preset angle or not, and the length of the twist drill to be measured is not limited. The sliding plate provided by the invention is simple and convenient to detect the twist drill, is universal, does not need to worry about the length of the twist drill to be detected, and can realize automatic sliding.
Description
Technical Field
The invention belongs to the technical field of machining detection tools, and relates to a semi-automatic twist drill detection device.
Background
The twist drill is a common cutter in machining and is also a vulnerable tool, repeated grinding is needed in the using process, the quality of a grinding drill directly influences the punching quality and the drilling efficiency, the service life of the twist drill is also influenced, the length and the angle of one main cutting edge need to be visually observed in front for checking whether the lengths of the two main cutting edges of the twist drill are equal or not and whether the angles of the two main cutting edges are equal or not during manual grinding, the length and the angle of the other main cutting edge need to be visually observed in front, the length and the angle of the other main cutting edge are visually observed after the twist drill rotates 180 degrees, repeated comparison is carried out, and the comparison has time and space intervals, so that the accuracy is difficult to maintain by the method, even if the twist drill is used for measuring, the measurement accuracy of the length of. When the sharpening machine is used for sharpening, the common sharpening machine only keeps the sharpening angle proper, but does not ensure that the lengths of the two main cutting edges are equal, and the sliding plate needs to be moved manually.
Disclosure of Invention
The invention aims to provide a semi-automatic twist drill detection device, which can observe whether the lengths of two main cutting edges of a twist drill are equal and whether the angles of the two main cutting edges are equal at one time after the twist drill is placed, and can also observe whether the angles of the two main cutting edges are consistent with a preset angle, and the length of the measured twist drill is not limited.
The technical scheme of the invention is as follows:
a semi-automatic twist drill detection device comprises a main board, a V-shaped groove, a lower chute and a front rotating shaft;
the main board is fixed with a V-shaped groove for placing a twist drill to be measured, the front end of the main board is provided with a front rotating shaft which is fixedly arranged on the main board and is vertical to the upper surface of the main board, the top end of the front rotating shaft is provided with a front rotating shaft cap, the tail part of the main board is provided with a lower sliding chute, a plane formed by the axis of the front rotating shaft and the center of the lower sliding chute is a central plane of the detection device and is recorded as the central plane, the V-shaped groove is symmetrical relative to the central plane, and the lower sliding chute is also symmetrical relative to the.
The side surface of the tail part of the main board is also provided with 4 screw holes which are respectively a screw hole A, a screw hole B, a screw hole C and a screw hole D, correspondingly, the two sides of the chute frame are provided with 4 long circular holes which are respectively a long circular hole A, a long circular hole B, a long circular hole C and a long circular hole D, and the chute frame is fixed on the main board through the 4 screw holes and the 4 long circular holes by the screws A, the screws B, the screws C and the screws D.
The upper edge of the sliding chute frame is provided with an upper sliding chute, the vertical projection of the upper sliding chute on the main board coincides with the lower sliding chute, the near edge A and the near edge B are respectively installed on the main board through a round hole A and a round hole C and can rotate around the front rotating shaft, the near edge A is provided with a near edge shaft, and the near edge shaft is fixedly installed on the near edge A and is vertical to the upper surface of the near edge A.
The round hole of long arm first is inserted and is leaned on the limit epaxial, make long arm first can rotate around leaning on the limit axle, back pivot fixed mounting is on long arm first to lower surface perpendicular with long arm first, be restricted by the lower spout below the back pivot, it is restricted by the upper chute to go up, back pivot can only be along lower spout and upper chute back-and-forth movement promptly, the lower top of back pivot is threaded, the nut is twisted to the installation hand, fixed mounting has long arm second pivot on the long arm second, long arm second pivot is perpendicular with the upper surface of long arm second, there is long arm axle cap on the top of long arm second pivot.
The sliding plate is a knife-shaped plate and is provided with a knife edge, 3 cylinders are arranged on the mounting surface of the sliding plate and are respectively a cylinder A, a cylinder B and a cylinder C, wherein the top end of the cylinder A is provided with a cylinder cap A, the top end of the cylinder B is provided with a cylinder cap B, the top of the cylinder C is provided with a thread, the 3 cylinders are all vertical to the mounting surface of the sliding plate, the diameter of the cylinder A is equal to that of the cylinder C, the plane formed by the axes of the two cylinders is vertical to the knife edge, two parallel long round holes, namely a sliding plate groove A and a sliding plate groove B, are arranged on the corresponding side A, and the sliding plate is arranged on the inner side surface; cylinder A and cylinder C can slide in slide groove B, and cylinder B slides in slide groove A simultaneously, and the distance that leans on limit second central plane to the slide medial surface constitutes by limit second thick, leans on the first central plane to the face of medial surface) to constitute by limit first thick, requires to lean on limit first thick and lean on limit second thick equal, and from this, when the pivot moved in last spout and lower spout after, the angle that constitutes by slide medial surface and midplane and the angle that leans on limit first medial surface and midplane constitute equal all the time.
The outer end of the sliding plate groove A close to the second side is additionally provided with a spring socket A and a folding edge where the socket A is located, meanwhile, one end, close to the socket A, of the sliding plate groove A is extended to the folding edge where the socket A is located, the spring socket B is additionally arranged on the side face of the sliding plate, the cylinder A and the cylinder C are inserted into the sliding plate groove B, the cylinder B is inserted into the sliding plate groove A, then the spring foot A is inserted into the socket A after penetrating through the sliding plate groove A, and the spring foot B is inserted into the socket B after penetrating through the sliding plate groove A.
The round hole D of the near side B is inserted into the rotating shaft of the long arm B, the near side B can rotate around the rotating shaft of the long arm B, the rear rotating shaft is inserted into the round hole B of the long arm B, the long arm B can rotate around the rear rotating shaft, the axis of the rear rotating shaft is parallel to the axis of the round hole, the distance between two axes is recorded as the center distance of the long arm A, the axis of the rotating shaft of the long arm B is parallel to the axis of the round hole B, the distance between two axes is recorded as the center distance of the long arm B, the axis of the near side shaft is parallel to the axis of the round hole A, the distance between two axes is recorded as the center distance of the near side A, a plane passing through the two axes is recorded as the center plane of the near side A, the center distance of the long arm A is equal to the center distance of the long arm B, the center distance of the near side A is equal to the center distance of the near side B, and the apertures of all round holes related to the rotating shafts are equal, the outer diameters of all the rotating shafts are equal, and the diameters of the rotating shafts are equal to the diameters of the round holes or are properly adjusted according to the roughness.
The long arm A hem perpendicular to the upper surface of long arm A, the length of long arm A hem equals the height of long arm B, and long arm A and long arm B all paste the upper surface of mainboard in the removal process promptly.
The section of the V-shaped groove is required to be symmetrical relative to the central plane, the included angle between the section of the V-shaped groove and the central plane is 45 degrees, and the bevel angle degree of the knife edge is 15 degrees.
The invention has the beneficial effects that:
the sliding plate provided by the invention is simple and convenient to detect the twist drill, is universal, does not need to worry about the length of the twist drill to be detected, and can realize automatic sliding.
Drawings
FIG. 1 is a schematic view of the spring of the present invention.
Fig. 2 is an assembly schematic of the present invention.
Fig. 3 is a perspective view of a twist drill.
Fig. 4 is a side view 1 of the present invention.
Fig. 5 is a schematic view of the edge b of the present invention.
Fig. 6 is a side view 2 of the present invention.
In the figure: 1, a twist drill; 2, a chisel edge; 3, turning a point A with a chisel edge; 4, turning point B of the chisel edge; 5; a main cutting edge A; 6, a main cutting edge B; 101 a main board; a 102V-shaped groove; 103 lower chute; 104 a front rotating shaft; 105 front rotating shaft cap; 106 screw holes A; 107 screw holes B; 108 screw holes C; 109 screw hole D; 110 oblong holes A; 111 oblong holes B; 112 oblong holes C; 113 oblong holes D; 114, a screw A; 115 screws B; 116 a screw C; 117; a screw D; 118 an upper chute; 119 a chute frame; 120 long armed nails; 121 rear rotating shaft; 122 hand-screwing the nut; 123 circular holes; 124 folding the long arm nail; 125 a side armor; 126 round hole A; 127 by side axis; 128 side shaft caps; 129 long arm B; 130 round holes B; 131 long arm B rotating shaft; 132 long arm axle cap; 234 toward side B; 235 a circular hole C; 236, circular hole D; 138 hand-screwing the nut; 239 a slide plate; a 240 knife edge; 241 cylinder A; 242 cylindrical cap A; 243 cylinder B; 244 cylinders C; 245 cylindrical cap B; 246 slide plate groove A; 247 slide groove B; cutting a 148V-shaped groove; 170 thick near the edge B; 171 thick near-edge armor; a 250 spring; 251 a spring toenail; 252 pogo pins B; 253 inserting hole A; 254, and a second socket.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
A semi-automatic twist drill detection device comprises a main board 101, a V-shaped groove 102, a lower chute 103 and a front rotary shaft 104;
a V-shaped groove 102 is fixed on the main board 101 and used for placing a twist drill 1 to be tested, a front rotating shaft 104 is arranged at the front end of the main board 101, the front rotating shaft 104 is fixedly installed on the main board 101 and is vertical to the upper surface of the main board 101, a front rotating shaft cap 105 is arranged at the top end of the front rotating shaft 104, a lower sliding groove 103 is arranged at the tail of the main board 101, a plane formed by the axis of the front rotating shaft 104 and the center of the lower sliding groove 103 is a central plane of the detection device and is marked as a central plane, the V-shaped groove 102 is symmetrical relative to the central plane, and the lower sliding groove 103;
the side surface of the tail of the main board 101 is also provided with 4 screw holes which are respectively a screw hole A106, a screw hole B107, a screw hole C108 and a screw hole D109, correspondingly, two sides of the sliding groove frame 119 are provided with 4 oblong holes which are respectively an oblong hole A110, an oblong hole B111, an oblong hole C112 and an oblong hole D113, and the sliding groove frame 119 is fixed on the main board 101 through 4 screw holes and 4 oblong holes by a screw A114, a screw B115, a screw C116 and a screw D117;
an upper chute 118 is arranged on the upper side of the chute frame 119, the vertical projection of the upper chute 118 on the main board 101 is overlapped with the lower chute 103, a first side close 125 and a second side close 234 are respectively installed on the main board 101 through a round hole A126 and a round hole C235 and can rotate around the front rotating shaft 104, a first side close 127 is arranged on the first side close 125, and the first side close 127 is fixedly installed on the first side close 125 and is vertical to the upper surface of the first side close 125;
the round hole 123 of the long arm A120 is inserted on the side shaft 127, so that the long arm A120 can rotate around the side shaft 127, the rear rotating shaft 121 is fixedly installed on the long arm A120 and is vertical to the lower surface of the long arm A120, the lower surface of the rear rotating shaft 121 is limited by the lower chute 103, the upper surface of the rear rotating shaft 121 is limited by the upper chute 118, namely, the rear rotating shaft 121 can only move back and forth along the lower chute 103 and the upper chute 118, the lower top of the rear rotating shaft 121 is provided with threads, the hand screw nut 122 is installed, the long arm B rotating shaft 131 is fixedly installed on the long arm B129, the long arm B rotating shaft 131 is vertical to the upper surface of the long arm B129, and the top end of the long arm B rotating shaft 131 is;
the sliding plate 239 is a knife-shaped plate and is provided with a knife edge 240, 3 cylinders are arranged on the mounting surface of the sliding plate 239 and are respectively a cylinder A241, a cylinder B243 and a cylinder C244, wherein a cylinder cap A242 is arranged at the top end of the cylinder A241, a cylinder cap B245 is arranged at the top end of the cylinder B243, threads are arranged at the top of the cylinder C244, the 3 cylinders are all perpendicular to the mounting surface of the sliding plate 239, the diameter of the cylinder A241 is equal to that of the cylinder C244, a plane formed by the axle centers of the two cylinders is perpendicular to the knife edge 240, two parallel long round holes, namely a sliding plate groove A246 and a sliding plate groove B247, are arranged on the corresponding side A234, and the sliding plate 239 is arranged on the inner side face of; the cylinder A241 and the cylinder C244 can slide in the sliding plate groove B247, the cylinder B243 slides in the sliding plate groove A246, the distance from the central plane of the side B234 to the inner side surface of the sliding plate 239 forms a side B thickness 170, the distance from the central plane of the side A125 to the inner side surface facing the sliding plate frame 119 forms a side A thickness 171, the side A thickness 171 is required to be equal to the side B thickness 170, and therefore, when the rear rotating shaft 121 moves in the upper sliding groove 118 and the lower sliding groove 103, the angle formed by the inner side surface of the sliding plate 239 and the central plane and the angle formed by the inner side surface of the side A125 and the central plane are always equal;
a spring socket A253 and a hem where the socket A253 is located are additionally arranged at the outer end of a sliding plate groove A246 of the abutting edge B234 relative to the far end of a central plane, meanwhile, one end, close to the socket A253, of the sliding plate groove A246 extends to the hem where the socket A253 is located, a spring socket B254 is additionally arranged on the side face of the sliding plate 239, a cylinder A241 and a cylinder C244 are inserted into a sliding plate groove B247, a cylinder B243 is inserted into the sliding plate groove A246, then a spring pin A251 is inserted into the socket A253 after penetrating through the sliding plate groove A246, and a spring pin B252 is inserted into the socket B254 after penetrating through the sliding plate groove A246.
The round hole D236 of the side B234 is inserted into the round hole B131 of the long arm B, so that the side B234 can rotate around the round hole B131, the rear rotating shaft 121 is inserted into the round hole B130 of the long arm B129, so that the long arm B129 can rotate around the rear rotating shaft 121, the axis of the rear rotating shaft 121 is parallel to the axis of the round hole 123, the distance between the two axes is recorded as the center distance of the long arm A120, the axis of the long arm B rotating shaft 131 is parallel to the axis of the round hole B130, the distance between the two axes is recorded as the center distance of the long arm B129, the axis of the side shaft 127 is parallel to the axis of the round hole A126, the distance between the two axes is recorded as the center distance of the side A125, a plane passing through the two axes is recorded as the center distance of the side A125, the axis of the round hole C235 is parallel to the axis of the round hole D236, the distance between the two axes is recorded as the center distance of the side B234, a plane passing through the two axes is recorded as the center distance of the side B234, the center distance of the long arm A, the diameters of all the round holes related to the rotating shaft are equal, the outer diameters of all the rotating shafts are equal, and the diameters of the round holes are equal or are properly adjusted according to the roughness.
The long arm A folded edge 124 is perpendicular to the upper surface of the long arm A120, the length of the long arm A folded edge 124 is equal to the height of the long arm B129, namely, the long arm A120 and the long arm B129 are attached to the upper surface of the main board 101 in the moving process. The V-groove profile 148 is required to be symmetrical with respect to the center plane, the included angle between the V-groove profile 148 and the center plane is 45 degrees, and the bevel angle of the knife edge 240 is 15 degrees.
A detection method of a semi-automatic twist drill detection device comprises the following steps:
the first step is as follows: when the twist drill 1 is detected, the twist drill 1 is placed in the V-shaped groove 102, the chisel edge 2 faces the front rotating shaft 104, and the chisel edge 2 is parallel to the central plane;
the second step is that: setting a side supporting plate 125 in front of a main cutting edge A5, when detecting the relation between the twist drill 1 and a preset angle, adjusting two side supporting plates to the preset angle, screwing a nut 122 with hands to fix a rear rotating shaft 121 and a main plate 101, tightly leaning against the side supporting plate 125 with a sliding plate 239, screwing a nut 138 with handles on a cylinder B243, so that the sliding plate 239 is fixed on a side supporting plate B234, the twist drill 1 moves forwards in a V-shaped groove 102, and the cross blade 2 is kept parallel to a central plane until the head of the twist drill 1 is contacted with the side supporting plate 125 or the sliding plate 239, and observing the relation between the cross blade 2 and a cutter edge 240, so that whether the lengths of the main cutting edge A5 and the main cutting edge B6 are equal or not can be preliminarily judged;
the third step: observing the position relation between the main cutting edge A5 and the leaning edge A125 and the position relation between the main cutting edge B6 and the sliding plate 239, judging whether the angles of the main cutting edge A5 and the main cutting edge B6 are proper or not, and further judging whether the length of the main cutting edge A5 is equal to that of the main cutting edge B6 or not;
the fourth step: when only the main cutting edge A5 and the main cutting edge B6 of the twist drill 1 are detected to be symmetrical, the hand nut 138 and the hand nut 122 are loosened, so that the included angle formed by the inner side surface of the side support A125 and the inner side surface of the sliding plate 239 is in an adjustable state, the included angle is obviously smaller than the angle between the main cutting edge A5 and the main cutting edge B6, the twist drill 1 moves forwards in the V-shaped groove 102, and the connecting line between the chisel edge 2 or a chisel edge turning point A3 and a chisel edge turning point B4 is kept to be parallel to the central plane until the head of the twist drill 1 is in contact with the side support A125 or the sliding plate 239;
the fifth step: continuing to move forwards, automatically adjusting the angles of the side A125 and the side B234, moving the twist drill 1 forwards until the side A125 and the side B234 are not adjusted, observing the position relationship between the main cutting edge A5 and the side A125 and the position relationship between the main cutting edge B6 and the sliding plate 239, and judging whether the inclination of the main cutting edge A5 is equal to that of the main cutting edge B6;
and a sixth step: and moving the sliding plate 239 to the central plane to enable the knife edge 240 to contact the side supporting plate 125, if the sliding plate 239 is blocked by the twist drill 1, the sliding plate cannot contact the side supporting plate 125, the main cutting edge A5 is longer than the main cutting edge B6, and if the knife edge 240 contacts the side supporting plate 125, observing the position relation of the chisel edge 2 and the knife edge 240, and judging the length relation of the main cutting edge A5 and the main cutting edge B6.
Claims (5)
1. A semi-automatic twist drill detection device is characterized by comprising a main board (101), a V-shaped groove (102), a lower sliding groove (103) and a front rotating shaft (104);
the detection device is characterized in that a V-shaped groove (102) is fixed on the main board (101) and used for placing a twist drill (1) to be detected, a front rotating shaft (104) is arranged at the front end of the main board (101), the front rotating shaft (104) is fixedly installed on the main board (101) and is perpendicular to the upper surface of the main board (101), a front rotating shaft cap (105) is arranged at the top end of the front rotating shaft (104), a lower sliding groove (103) is arranged at the tail part of the main board (101), a plane formed by the axis of the front rotating shaft (104) and the center of the lower sliding groove (103) is a central plane of the detection device and is recorded as the central plane, the V-shaped groove (102) is symmetrical relative to the central plane;
the side face of the tail of the main board (101) is also provided with 4 screw holes which are respectively a screw hole A (106), a screw hole B (107), a screw hole C (108) and a screw hole D (109), correspondingly, two sides of the sliding chute frame (119) are provided with 4 long round holes which are respectively a long round hole A (110), a long round hole B (111), a long round hole C (112) and a long round hole D (113), and the sliding chute frame (119) is fixed on the main board (101) through 4 screw holes and 4 long round holes by a screw A (114), a screw B (115), a screw C (116) and a screw D (117);
an upper chute (118) is arranged on the upper side of the chute frame (119), the vertical projection of the upper chute (118) on the main board (101) is superposed with the lower chute (103), a side A (125) and a side B (234) are respectively installed on the main board (101) through a round hole A (126) and a round hole C (235) and can rotate around a front rotating shaft (104), a side shaft (127) is arranged on the side A (125), and the side shaft (127) is fixedly installed on the side A (125) and is vertical to the upper surface of the side A (125);
the round hole (123) of the long arm A (120) is inserted on the side shaft (127), so that the long arm A (120) can rotate around the side shaft (127), the rear rotating shaft (121) is fixedly installed on the long arm A (120) and is vertical to the lower surface of the long arm A (120), the lower surface of the rear rotating shaft (121) is limited by the lower sliding chute (103), the upper surface of the rear rotating shaft is limited by the upper sliding chute (118), namely, the rear rotating shaft (121) can only move back and forth along the lower sliding chute (103) and the upper sliding chute (118), the lower top of the rear rotating shaft (121) is provided with threads, a hand-screwed nut (122) is installed, the long arm B rotating shaft (131) is fixedly installed on the long arm B (129), the long arm B rotating shaft (131) is vertical to the upper surface of the long arm B (129), and the top end of the long arm B rotating shaft (131) is provided with a;
the sliding plate (239) is a knife-shaped plate and is provided with a knife edge (240), 3 cylinders are arranged on the mounting surface of the sliding plate (239), namely a cylinder A (241), a cylinder B (243) and a cylinder C (244), wherein the top end of the cylinder A (241) is provided with a cylinder cap A (242), the top end of the cylinder B (243) is provided with a cylinder cap B (245), the top of the cylinder C (244) is provided with a thread, the 3 cylinders are all vertical to the mounting surface of the sliding plate (239), the diameter of the cylinder A (241) is equal to that of the cylinder C (244), a plane formed by the axes of the two cylinders is vertical to the knife edge (240), two parallel oblong holes, namely a sliding plate groove A (246) and a sliding plate groove B (247), are formed in the corresponding side edge A (234), and the sliding plate (239) is mounted on the inner side face of the side edge B (234); the cylinder A (241) and the cylinder C (244) can slide in a sliding plate groove B (247), the cylinder B (243) slides in a sliding plate groove A (246), the distance from the central plane of the side B (234) to the inner side surface of the sliding plate (239) forms a side B thickness (170), the distance from the central plane of the side A (125) to the inner side surface (the surface facing the sliding groove frame (119)) forms a side A thickness (171), and the side A thickness (171) is required to be equal to the side B thickness (170), so that when the rear rotating shaft (121) moves in the upper sliding groove (118) and the lower sliding groove (103), the angle formed by the inner side surface of the sliding plate (239) and the central plane is always equal to the angle formed by the inner side surface of the side A (125) and the central plane;
a spring socket A (253) and a hem where the socket A (253) is located are additionally arranged at the outer end (relative to the far end of a central plane) of a sliding plate groove A (246) of the abutting edge B (234), one end, close to the socket A (253), of the sliding plate groove A (246) extends to the hem where the socket A (253) is located, a spring socket B (254) is additionally arranged on the side face of the sliding plate (239), a cylinder A (241) and a cylinder C (244) are inserted into the sliding plate groove B247, a cylinder B (243) is inserted into the sliding plate groove A (246), then a spring pin A (251) penetrates through the sliding plate groove A (246) and then is inserted into the socket A (253), and a spring pin B (252) penetrates through the sliding plate groove A (246) and then is inserted into the socket B (254).
2. The semi-automatic twist drill detecting device according to claim 1, wherein the round hole D (236) of the side B (234) is inserted into the long arm B rotating shaft (131) so that the side B (234) can rotate around the long arm B rotating shaft (131), the rear rotating shaft (121) is inserted into the round hole B (130) of the long arm B (129) so that the long arm B (129) can rotate around the rear rotating shaft (121), the axial center of the rear rotating shaft (121) is parallel to the axial center of the round hole (123), the distance between the two axial centers is recorded as the center distance of the long arm A (120), the axial center of the long arm B rotating shaft (131) is parallel to the axial center of the round hole B (130), the distance between the two axial centers is recorded as the center distance of the long arm B (129), the axial center of the side shaft (127) is parallel to the axial center of the round hole A (126), the distance between the two axial centers is recorded as the center distance of the side A (125), and a plane passing through the two axial centers is recorded as the center plane of the side A (125, the axis of the round hole C (235) is parallel to the axis of the round hole D (236), the distance between the two axes is recorded as the center distance of the side B (234), the plane passing through the two axes is recorded as the center plane of the side B (234), the center distance of the long arm A (120) is required to be equal to the center distance of the long arm B (129), the center distance of the side A (125) is required to be equal to the center distance of the side B (234), the hole diameters of all the round holes related to the rotating shafts are equal, the outer diameters of all the rotating shafts are equal, and the hole diameters are equal to or are properly adjusted according to the roughness.
3. A semi-automatic twist drill testing device according to claim 1 or 2, wherein the long arm a folded edge (124) is perpendicular to the upper surface of the long arm a (120), the length of the long arm a folded edge (124) is equal to the height of the long arm b (129), i.e. the long arm a (120) and the long arm b (129) are both attached to the upper surface of the main plate (101) during the movement.
4. A semi-automatic twist drill testing apparatus according to claim 1 or 2, wherein the V-groove cut plane (148) is required to be symmetrical with respect to the central plane, the angle between the V-groove cut plane (148) and the central plane is set to 45 ° and the angle of inclination of the cutting edge (240) is set to 15 °.
5. A semi-automatic twist drill testing apparatus according to claim 3, wherein the V-groove cut plane (148) is required to be symmetrical with respect to the central plane, the angle between the V-groove cut plane (148) and the central plane is 45 degrees, and the angle of inclination of the cutting edge (240) is 15 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010223213.6A CN111220046B (en) | 2020-03-26 | 2020-03-26 | Semi-automatic twist drill detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010223213.6A CN111220046B (en) | 2020-03-26 | 2020-03-26 | Semi-automatic twist drill detection device |
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| Publication Number | Publication Date |
|---|---|
| CN111220046A true CN111220046A (en) | 2020-06-02 |
| CN111220046B CN111220046B (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010223213.6A Active CN111220046B (en) | 2020-03-26 | 2020-03-26 | Semi-automatic twist drill detection device |
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