CN110842780A - Automatic correcting device for jumping of round bar - Google Patents
Automatic correcting device for jumping of round bar Download PDFInfo
- Publication number
- CN110842780A CN110842780A CN201911202768.6A CN201911202768A CN110842780A CN 110842780 A CN110842780 A CN 110842780A CN 201911202768 A CN201911202768 A CN 201911202768A CN 110842780 A CN110842780 A CN 110842780A
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- connecting rod
- round bar
- cantilever
- wheel disc
- runout
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an automatic correcting device for runout of round bar stock, which relates to the technical field of cutter processing, and comprises a detecting device and a knocking device, wherein the detecting device comprises a digital display dial gauge and a cantilever; through the cooperation of rim plate, locating lever and spring, make the rubber hammer accomplish a hammering action, realize detecting the condition of beating of pole through the amesdial, the rotational speed of motor is controlled according to the condition of beating to the realization strikes the automatic control of frequency to the pole to the realization, has promoted the efficiency of eliminating the pole and beating.
Description
Technical Field
The invention relates to the technical field of cutter processing, in particular to an automatic correcting device for runout of a round bar.
Background
The existing method for manufacturing the integral hard alloy machining tool is to clamp a cylindrical hard alloy bar on a main shaft of a machine tool by using three claws, the main shaft is driven by a motor to rotate, and the bar is ground by a grinding wheel so as to form a machining profile of the tool. The three-jaw spindle rotates during grinding, and the hard alloy bar is bound to jump relative to the axis of the three jaws. In order to eliminate the jumping, a dial indicator is usually arranged, a probe of the dial indicator is made to lean against the circumferential surface of the hard alloy round bar, the reading change of the dial indicator is observed by human eyes, and when the number of the dial indicator is changed to the maximum value, the hard alloy bar is knocked manually by a small rubber hammer. The method has the defects that the knocking direction of the rubber hammer is difficult to grasp accurately; in addition, the strength of the small hammer is difficult to control when the small hammer is knocked, so that the efficiency of eliminating the bounce is not high.
Disclosure of Invention
In order to solve the problems in the prior art, the invention is provided with the detection device, the controller and the knocking device, the jumping condition of the round rod installed in the three-jaw spindle is detected by the dial indicator and transmitted to the controller, and the controller controls the rotating speed of the output motor according to jumping data. The motor rotates to drive the wheel disc to rotate clockwise (the motor is positioned in the front view direction behind the wheel disc), when the connecting point of the wheel disc rotates to the positioning rod of the connecting rod, the wheel disc applies downward force to the connecting rod to enable the connecting rod to rotate anticlockwise (in the main view direction behind the wheel disc by the motor), the rubber hammer connected with the front end of the connecting rod rotates upwards, the connecting point of the wheel disc continues to rotate clockwise (in the main view direction behind the wheel disc by the motor), the force applied by the wheel disc to the positioning rod disappears, the spring contracts to drive the connecting rod to rotate clockwise (in the main view direction behind the wheel disc by the motor) around the rotating shaft, the rubber hammer at the front end of the connecting rod moves downwards and knocks the round bar, the bouncing condition of the round bar is detected by the dial indicator, and the controller controls the rotating speed of the motor according to the bouncing condition, thereby realize the automatic control to the pole frequency of knocking, promoted the efficiency of eliminating the pole and beating.
The invention specifically adopts the following technical scheme:
an automatic correcting device for jumping of a round bar comprises a detection device for detecting jumping of a round bar and a knocking device for correcting jumping of the round bar;
the detection device comprises a digital display dial indicator and a cantilever, the digital display dial indicator comprises a display screen and a probe, the display screen is electrically connected with the probe, the display screen is fixed at the upper end of the cantilever, the probe is fixedly arranged at the tail end of the cantilever, and a probe of the probe is contacted with a measured round bar;
a slotted hole penetrating through the cantilever from top to bottom is formed in one end, far away from the probe, of the cantilever;
the knocking device comprises a motor, a wheel disc and a connecting rod, an output shaft of the motor is connected with the wheel disc, the motor is fixed on the cantilever, one end of the connecting rod is fixedly connected with a rubber hammer for hammering a round bar, the side face of the other end of the connecting rod is fixedly connected with one end of the connecting rod, the other end of the connecting rod is connected with one end of a spring inhaul cable, the other end of the spring inhaul cable penetrates through the slotted hole and is connected with a nut, and the spring tension of the spring inhaul cable can be adjusted by rotating the nut;
the connecting rod is provided with a fixing hole, a rotating shaft penetrates through the fixing hole, the other end of the rotating shaft is connected with the cantilever, and the connecting rod is movably connected with the cantilever through the rotating shaft;
the circumference of the wheel disc is one or more sections of continuous curves, the outermost circumference of the wheel disc is connected with the adjacent secondary outer circumference through a connecting point, the edge of the secondary outer circumference of the wheel disc is attached to the upper end face of a positioning rod, and the positioning rod is fixed on the side face of the connecting rod;
the signal output end of the digital display dial indicator is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the motor.
The further scheme is that the hammering surface of the rubber hammer is an arc surface, and the opening direction of the arc surface faces the round rod.
The further proposal is that the diameter of the arc surface is 4mm-20 mm.
The further scheme is that a plurality of fixing holes are formed, the circle centers of the plurality of fixing holes are located on the same straight line, and the same straight line is collinear with the axis of the connecting rod.
The further scheme is that the two times of the distance between the fixing hole and the positioning rod is larger than the distance between the fixing hole and the connecting rod, and the two times of the distance between the fixing hole and the connecting rod is larger than the length of the connecting rod.
Further, the attachment site may be provided in one or more.
Further, a plurality of the connection sites are equidistantly distributed on the wheel disc.
The further scheme is that the cantilever is connected with one end of the connecting arm through the adapter, and the other end of the connecting arm is fixed on the base.
The further scheme is that a manual knob is arranged on the adapter.
The invention has the beneficial effects that:
through setting up digital display amesdial, controller and including motor, rim plate, connecting rod, the knocking device of rubber hammer, detect the pole condition of beating of packing into the three-jaw main shaft and transmit for the controller through the amesdial, the controller is according to the rotational speed of beating data control output motor. The motor rotates to drive the wheel disc to rotate clockwise (the motor is positioned in the front view direction behind the wheel disc), when the connecting point of the wheel disc rotates to the positioning rod of the connecting rod, the wheel disc applies downward thrust to the connecting rod to enable the connecting rod to rotate anticlockwise (in the main view direction behind the wheel disc by the motor), the rubber hammer connected with the front end of the connecting rod rotates upwards, the connecting point of the wheel disc continues to rotate clockwise (in the main view direction behind the wheel disc by the motor), the force applied by the wheel disc to the positioning rod disappears, the spring contracts to drive the connecting rod to rotate clockwise (in the main view direction behind the wheel disc by the motor) around the rotating shaft, the rubber hammer at the front end of the connecting rod moves downwards and strikes the round bar, the jumping condition of the round bar is detected by the dial indicator, and the controller controls the rotating speed of the motor according to the jumping condition, thereby realizing the automatic control of the knocking frequency of the round bar and improving the efficiency of eliminating the jumping of the round bar;
the hammering surface of the rubber hammer is provided with an arc surface, so that the hammering surface is more attached to the round bar, and the knocking efficiency is improved;
the two times of the distance between the fixing hole and the positioning rod is controlled to be larger than the distance between the fixing hole and the connecting rod, and the two times of the distance between the fixing hole and the connecting rod is controlled to be larger than the length of the connecting rod, so that the stability of the rubber hammer for hammering the round rod is ensured;
the connecting points on the wheel disc are set to be one or more, so that the hammering times of the wheel disc rotating for a circle can be controlled, and the hammering frequency is improved.
Drawings
FIG. 1 is a perspective view of an apparatus for automatically correcting runout of round bar stock according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an apparatus for automatically correcting runout of round bar stock according to an embodiment of the present invention;
FIG. 3 is a rear view of FIG. 1;
fig. 4 is a schematic structural view of a wheel disc provided with three attachment sites according to the present invention:
the attached drawings are marked as follows: 10-digital display dial gauge; 100-a display screen; 101-a probe; 11-a cantilever; 110-slot; 20-a motor; 21-a wheel disc; 210-attachment site; 22-a connecting rod; 220-fixing holes: 221-positioning rod; 24-rubber hammer; 25-a connecting rod; 26-a spring cable; 3-an adapter; 30-a manual knob; 4-a linker arm; 5-base.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, an embodiment 1 of the present invention discloses an automatic correcting device for runout of a round bar, which includes a detecting device for detecting runout of a round bar and a knocking device for correcting runout of the round bar; the detection device comprises a digital dial indicator 10 and a cantilever 11, the digital dial indicator 10 comprises a display screen 100 and a probe 101, the display screen 100 is electrically connected with the probe 101, the display screen 100 is fixed at the upper end of the cantilever 11, the probe 101 is fixedly arranged at the tail end of the cantilever 11, and a probe of the probe 101 is in contact with a round bar to be detected; a slotted hole 110 which penetrates through the cantilever 11 from top to bottom is formed at one end of the cantilever 11, which is far away from the probe 101; the knocking device comprises a motor 20, a wheel disc 21 and a connecting rod 22, an output shaft of the motor 20 is connected with the wheel disc 21, the motor 20 is fixed on the cantilever 11, one end of the connecting rod 22 is fixedly connected with a rubber hammer 24 used for hammering a round bar, the side face of the other end of the connecting rod 22 is fixedly connected with one end of a connecting rod 25, the other end of the connecting rod 25 is connected with one end of a spring inhaul cable 26, the other end of the spring inhaul cable 26 penetrates through the slotted hole 110 and is connected with a nut, and the spring tension of the spring inhaul cable; a fixing hole 220 is formed in the connecting rod 22, a rotating shaft penetrates through the fixing hole 220, the other end of the rotating shaft is connected with the cantilever 11, and the connecting rod 22 is movably connected with the cantilever 11 through the rotating shaft; the circumference of the wheel disc 21 is one or more sections of continuous curves, the outermost circumference of the wheel disc 21 is connected with the adjacent secondary outer circumference through a connecting point 210, the edge of the secondary outer circumference of the wheel disc 21 is attached to the upper end face of a positioning rod 221, and the positioning rod 221 is fixed on the side face of the connecting rod 22; the signal output end of the digital display dial indicator 10 is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the motor 20.
The probe of the dial indicator is contacted with the circumferential surface of a round bar installed in the three-jaw spindle, the jumping condition of the round bar is detected and transmitted to the controller, and the controller controls the rotating speed of the output motor according to the jumping data. The motor rotates to drive the wheel disc to rotate clockwise (the motor is positioned in the front view direction behind the wheel disc), when the connecting point of the wheel disc rotates to the positioning rod of the connecting rod, the wheel disc applies downward thrust to the connecting rod, the spring connected with the front end of the connecting rod stretches, and the connecting rod is movably connected with the rotating shaft, so that the connecting rod can rotate anticlockwise (the motor is positioned in the front view direction behind the wheel disc) around the rotating shaft, namely a rubber hammer connected with the tail end of the connecting rod rotates upwards; when the connecting point of the wheel disc continues to rotate clockwise (the motor is located in the main view direction behind the wheel disc), the thrust applied to the positioning rod by the wheel disc disappears, the spring connected with the front end of the connecting rod contracts to enable the front end of the connecting rod to rotate upwards, the connecting rod rotates clockwise (the motor is located in the main view direction behind the wheel disc) around the rotating shaft, the rubber hammer connected with the tail end of the connecting rod moves downwards and strikes the round bar, the wheel disc continues to rotate and repeats the steps, and continuous striking of the round bar is achieved.
The jumping condition of the round bar installed in the three-jaw spindle is detected through the dial indicator, and the controller controls the rotating speed of the motor according to the jumping condition, so that the knocking frequency of the round bar is automatically controlled, and the efficiency of eliminating the jumping of the round bar is improved.
In embodiment 1, the hammering surface of the rubber hammer 24 is an arc surface, and the opening direction of the arc surface faces the round bar. Make the hammering face more laminate the pole, promote the accuracy of knocking the direction.
In this embodiment 1, the diameter of the circular arc surface is 4mm to 20 mm. The hammering surface of the rubber hammer can be matched with round rods with different diameters.
In the present embodiment 1, a plurality of fixing holes 220 are provided, and the centers of the plurality of fixing holes 220 are located on the same straight line, and the same straight line is collinear with the axis of the connecting rod 22. Through setting up a plurality of fixed orificess, the moment of adjustable connecting rod as the lever controls the dynamics of rubber hammer hammering.
In the present embodiment 1, twice the distance between the fixing hole 220 and the positioning rod 221 is greater than the distance between the fixing hole 220 and the connecting rod 25, and twice the distance between the fixing hole 220 and the connecting rod 25 is greater than the length of the connecting rod 22. Guarantee the connecting rod and regard as lever pivoted minimum multiplying power, guarantee the stability of connecting the hammering of rubber hammer of connecting rod end connection.
In this embodiment 1, the connection sites 210 are provided as one. The number of times that makes the rim plate rotate a week rubber hammer hammering pole is once, can be under the unchangeable condition of motor speed adjustable hammering frequency, promotes to eliminate the pole because of the efficiency of beating the deviation.
In this embodiment 1, a plurality of attachment sites 210 are equally spaced on disk 21. The time interval of the rubber hammer for knocking the round rod is equal, and the rubber hammer can be used for hammering the round rod regularly in one period.
In this embodiment, the cantilever 11 is connected to one end of the connecting arm 4 through the adapter 3, and the other end of the connecting arm 4 is fixed to the base 5. The cantilever is fixed.
In embodiment 1, the adapter 3 is provided with a manual knob 30. The position of the cantilever can be adjusted by manually adjusting the knob, so that the probe of the digital display dial indicator is contacted with the circumferential surface of the round bar, and the jumping condition of the round bar can be accurately detected.
The invention discloses an automatic correcting device for runout of a round bar stock, which is characterized in that a plurality of connecting points of a wheel disc 21 are arranged, three connecting points of the wheel disc are arranged in the embodiment 2, as shown in fig. 4, the number of times that the round bar stock is hammered by a rubber hammer when the wheel disc rotates for one circle can be three, the hammering frequency can be adjusted under the condition that the rotating speed of a motor is unchanged, and the efficiency of eliminating the runout deviation of the round bar stock is improved.
Finally, only specific embodiments of the present invention have been described in detail above. The invention is not limited to the specific embodiments described above. Equivalent modifications and substitutions by those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the invention, without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a beat automatic correction device to round bar material, is including being used for beating the detection device who detects and beating the knocking device who corrects to the round bar, its characterized in that:
the detection device comprises a digital dial indicator (10) and a cantilever (11), the digital dial indicator (10) comprises a display screen (100) and a probe (101), the display screen (100) is electrically connected with the probe (101), the display screen (100) is fixed at the upper end of the cantilever (11), the probe (101) is fixedly arranged at the tail end of the cantilever (11), and a probe of the probe (101) is in contact with a round bar to be detected;
a slotted hole (110) penetrating through the cantilever (11) from top to bottom is formed in one end, far away from the probe (101), of the cantilever (11);
the knocking device comprises a motor (20), a wheel disc (21) and a connecting rod (22), an output shaft of the motor (20) is connected with the wheel disc (21), the motor (20) is fixed on the cantilever (11), one end of the connecting rod (22) is fixedly connected with a rubber hammer (24) used for hammering a round bar, the side face of the other end of the connecting rod (22) is fixedly connected with one end of a connecting rod (25), the other end of the connecting rod (25) is connected with one end of a spring inhaul cable (26), the other end of the spring inhaul cable (26) penetrates through the slotted hole (110) and is connected with a nut, and the spring tension of the spring inhaul cable (26) can be adjusted by rotating the nut;
a fixing hole (220) is formed in the connecting rod (22), a rotating shaft penetrates through the fixing hole (220), the other end of the rotating shaft is connected with the cantilever (11), and the connecting rod (22) is movably connected with the cantilever (11) through the rotating shaft;
the circumference of the wheel disc (21) is one or more sections of continuous curves, the outermost circumference of the wheel disc (21) is connected with the adjacent secondary outer circumference through a connecting point (210), the edge of the secondary outer circumference of the wheel disc (21) is attached to the upper end face of the positioning rod (221), and the positioning rod (221) is fixed on the side face of the connecting rod (22);
the signal output end of the digital display dial indicator (10) is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the motor (20).
2. The device for automatically correcting the runout of the round bar stock as claimed in claim 1, wherein:
the hammering surface of the rubber hammer (24) is an arc surface, and the opening direction of the arc surface faces the round rod.
3. The device for automatically correcting the runout of the round bar stock as claimed in claim 2, wherein:
the diameter of the arc surface is 4mm-20 mm.
4. The device for automatically correcting the runout of the round bar stock as claimed in claim 1, wherein:
the fixing holes (220) are arranged in a plurality, the circle centers of the fixing holes (220) are on the same straight line, and the same straight line is collinear with the axis of the connecting rod (22).
5. The device for automatically correcting the runout of the round bar stock as claimed in claim 1, wherein:
the double size of the distance between the fixing hole (220) and the positioning rod (221) is larger than the distance between the fixing hole (220) and the connecting rod (25), and the double size of the distance between the fixing hole (220) and the connecting rod (25) is larger than the length of the connecting rod (22).
6. The device for automatically correcting the runout of the round bar stock as claimed in claim 1, wherein:
the connecting sites (210) can be arranged in one or more.
7. An automatic correction device for runout of round bars according to claim 6, characterized in that:
a plurality of said attachment sites (210) are equidistantly distributed on said wheel disc (21).
8. The device for automatically correcting the runout of the round bar stock as claimed in claim 1, wherein:
the cantilever (11) is connected with one end of the connecting arm (4) through the adapter (3), and the other end of the connecting arm (4) is fixed on the base (5).
9. The device for automatically correcting the runout of the round bar stock as claimed in claim 8, wherein:
and a manual knob (30) is arranged on the adapter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202768.6A CN110842780B (en) | 2019-11-29 | 2019-11-29 | Automatic correcting device for jumping of round bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202768.6A CN110842780B (en) | 2019-11-29 | 2019-11-29 | Automatic correcting device for jumping of round bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110842780A true CN110842780A (en) | 2020-02-28 |
| CN110842780B CN110842780B (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911202768.6A Active CN110842780B (en) | 2019-11-29 | 2019-11-29 | Automatic correcting device for jumping of round bar |
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| CN (1) | CN110842780B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999028080A1 (en) * | 1997-12-02 | 1999-06-10 | Kaspar Walter Gmbh & Co. Kg Maschinenfabrik | Device and method for correcting radial run-outs |
| WO2000050841A1 (en) * | 1999-02-22 | 2000-08-31 | Obschestvo S Ogranichennoi Otvetstvennostiju 'tekhnomash' | Method and device for measuring the inclinations of the geometrical shape of a cylindrical part, correction steady and variants |
| CN201345584Y (en) * | 2008-12-29 | 2009-11-11 | 许晓华 | Radial runout correcting device for output shaft of motor |
| CN104175221A (en) * | 2014-07-29 | 2014-12-03 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel external circle run-out detection method |
| CN105737710A (en) * | 2016-02-23 | 2016-07-06 | 电子科技大学 | Device of detecting axial and radial runout of shaft parts |
| CN106643387A (en) * | 2016-12-15 | 2017-05-10 | 莱芜钢铁集团有限公司 | Measurement device and measurement method for a gear center line and keyway center line on gear shaft |
| CN108007301A (en) * | 2017-12-26 | 2018-05-08 | 江苏太平洋精锻科技股份有限公司 | Elongated hollow axis endoporus radial direction bounce gauge |
-
2019
- 2019-11-29 CN CN201911202768.6A patent/CN110842780B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999028080A1 (en) * | 1997-12-02 | 1999-06-10 | Kaspar Walter Gmbh & Co. Kg Maschinenfabrik | Device and method for correcting radial run-outs |
| WO2000050841A1 (en) * | 1999-02-22 | 2000-08-31 | Obschestvo S Ogranichennoi Otvetstvennostiju 'tekhnomash' | Method and device for measuring the inclinations of the geometrical shape of a cylindrical part, correction steady and variants |
| CN201345584Y (en) * | 2008-12-29 | 2009-11-11 | 许晓华 | Radial runout correcting device for output shaft of motor |
| CN104175221A (en) * | 2014-07-29 | 2014-12-03 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel external circle run-out detection method |
| CN105737710A (en) * | 2016-02-23 | 2016-07-06 | 电子科技大学 | Device of detecting axial and radial runout of shaft parts |
| CN106643387A (en) * | 2016-12-15 | 2017-05-10 | 莱芜钢铁集团有限公司 | Measurement device and measurement method for a gear center line and keyway center line on gear shaft |
| CN108007301A (en) * | 2017-12-26 | 2018-05-08 | 江苏太平洋精锻科技股份有限公司 | Elongated hollow axis endoporus radial direction bounce gauge |
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| CN110842780B (en) | 2021-03-26 |
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