CN111546166A - Automatic grinding machine for processing top end of round rod into conical tip - Google Patents
Automatic grinding machine for processing top end of round rod into conical tip Download PDFInfo
- Publication number
- CN111546166A CN111546166A CN202010406655.4A CN202010406655A CN111546166A CN 111546166 A CN111546166 A CN 111546166A CN 202010406655 A CN202010406655 A CN 202010406655A CN 111546166 A CN111546166 A CN 111546166A
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- Prior art keywords
- grinding machine
- chuck
- round bar
- table top
- arc
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Classifications
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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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses an automatic grinding machine for processing the top end of a round bar into a conical tip, which comprises a grinding machine body, a rotary support frame and an angle adjusting mechanism which are arranged on a processing table top of the grinding machine body, and a round bar fixing mechanism arranged on a supporting table top of the rotary support frame, wherein the round bar to be processed penetrates through the round bar fixing mechanism and the supporting table top; the angle adjusting mechanism is connected with the rotary supporting frame, and the inclination angle of the rotary supporting frame relative to the processing table top is adjusted according to the cone angle of the round rod to be processed. The device can be suitable for automatic processing of round rods with different diameters and conical tips with different angles, and can eliminate the influence of vibration on precision in the processing process and the smoothness of the processed conical surface.
Description
Technical Field
The invention belongs to the technical field of automatic grinding machines, and particularly relates to an automatic grinding machine for processing the top end of a round rod into a conical tip.
Background
In argon tungsten-arc welding, the size and type of welding current determine the diameter of a tungsten electrode and the material of a tungsten rod. For different welding currents, different end shapes must be ground, and when welding is carried out by small current, a small-diameter tungsten electrode and a small cone angle are selected, so that electric arcs can be easily ignited and stabilized; when the high-current welding is carried out, the cone angle is increased, so that the tip can be prevented from being melted due to overheating, the loss is reduced, and the phenomenon that the stability of a cathode spot is influenced due to the fact that an electric arc expands upwards is prevented. Meanwhile, the tip shape of the tungsten electrode in TIG welding has an extremely important influence on the directionality of the arc.
The grinding angle of the end face of the tungsten rod has little influence on weld penetration and weld width. And the grinding angle is reduced, the weld penetration is reduced, the fusion width is increased, otherwise, the fusion penetration is increased, and the fusion width is reduced.
In the TIG welding of a robot, the tungsten electrode needs to be frequently replaced, but the tungsten electrode is not completely automated at present, and the tungsten electrode needs to be manually dismounted and ground. And the manual loading and unloading makes the space position of the tip of the tungsten rod have uncertainty, and the origin of coordinates of the tool needs to be calibrated again after the tungsten rod is replaced every time, so that the grinding efficiency and precision are greatly influenced.
Disclosure of Invention
In order to solve the problems, the invention provides an automatic grinding machine for processing the top end of a round rod into a conical tip.
The technical purpose is achieved, the technical effect is achieved, and the invention is realized through the following technical scheme:
an automatic grinding machine for processing the top end of a round bar into a conical tip comprises a grinding machine body, a rotary support frame and an angle adjusting mechanism which are arranged on a processing table top of the grinding machine body, and a round bar fixing mechanism arranged on a supporting table top of the rotary support frame, wherein the round bar to be processed penetrates through the round bar fixing mechanism and the supporting table top; the angle adjusting mechanism is connected with the rotary supporting frame, and the inclination angle of the rotary supporting frame relative to the processing table top is adjusted according to the cone angle of the round rod to be processed.
As a further improvement of the invention, the rotary support frame is in a long table shape and comprises a support table top which is horizontally arranged and four support rods which are connected with the right-angle positions of the support table top, the support rods of the angle adjusting mechanism which are parallel to the short side direction are connected with the angle adjusting mechanism in a sliding way, and the support rods on one side are connected with the processing table top in a rotating way.
As a further improvement of the invention, the angle adjusting mechanism comprises an arc-shaped sliding rail, a limiting block and an elastic piece;
one end of the arc-shaped sliding rail is fixed on the processing table board, and the arc degree of the arc-shaped sliding rail is consistent with the moving track of the bottom end of the supporting rod;
the limiting block is adjustably fixed on the arc-shaped slide rail, and the position of the limiting block on the arc-shaped slide rail is adjusted according to the cone angle to be processed;
one end of the elastic part is connected with the processing table board, the other end of the elastic part is connected with the bottom end of the supporting rod, and the rotating support frame is pulled to rotate towards the direction of the processing table board until the position of the limiting block.
As a further improvement of the invention, the arc-shaped slide rail comprises two groups of large-radian slide rails and small-radian slide rails which are oppositely arranged, and the large-radian slide rails are arranged relative to one side of the rotating connecting shaft.
As a further improvement of the invention, the bottom end of the supporting rod is provided with a mounting hole, and the supporting rod is connected with the arc-shaped sliding rail in a sliding manner through a sliding block penetrating through the mounting hole.
As a further improvement of the invention, the elastic part and the large-radian sliding rail are arranged on the same side, one end of the elastic part is connected with the processing table surface, and the other end of the elastic part is connected with the sliding block.
As a further improvement of the invention, the round rod fixing mechanism comprises a chuck and a bearing, the chuck and the bearing are arranged on the supporting table surface through the bearing, a through hole for inserting the round rod is arranged on the chuck and the supporting table surface, a plurality of falcate clamping pieces are also arranged on the plane of the chuck around the through hole, one end of each falcate clamping piece is rotationally connected with the chuck, and the falcate clamping pieces are arranged around the through hole at equal angles and in the same clockwise direction.
As a further improvement of the invention, the length of the two ends of the falcate clamping piece is larger than the distance from the rotating connection point of the falcate clamping piece and the chuck to the center of the chuck.
As a further improvement of the invention, the round bar fixing mechanism further comprises a motor, a motor wheel and a belt, wherein the motor wheel is coaxially connected with a rotating shaft of the motor, and the chuck is synchronously connected with the motor wheel through the belt.
As a further improvement of the invention, the surface of the chuck also comprises a plurality of baffle plates which are arranged along the radius of the chuck at equal angles, one end of each baffle plate is connected with the outer ring of the chuck, the distance from the other end of each baffle plate to the circle center of the chuck is smaller than the distance from the connecting end of the falcate clamping piece to the circle center, and the outer ring is in friction connection with the middle disk body of the chuck.
The invention has the beneficial effects that: the device can be suitable for automatic processing of round rods with different diameters and conical tips with different angles, and can eliminate the influence of vibration on precision in the processing process and the smoothness of the processed conical surface.
Drawings
FIG. 1 is a schematic front view of an automatic grinding machine according to the present invention;
FIG. 2 is a schematic diagram of the right side view of the automatic grinding machine according to the present invention;
FIG. 3 is a schematic view of the connection position and angle relationship between the angle adjustment mechanism and the grinding machine body and the rotary support frame;
FIG. 4 is a schematic structural view of an angle adjustment mechanism located on one side of a large arc slide rail;
FIG. 5 is a schematic view of the position relationship of the round bar fixing mechanism installed on the rotary supporting frame;
FIG. 6 is a schematic top view of the rod fixing mechanism;
FIG. 7 is a schematic top view of the supporting table;
wherein: 1-grinding machine body, 11-grinding machine motor, 12-grinding wheel, 13-processing table top, 2-rotating support frame, 21-supporting table top, 22-support rod, 23-slide block, 3-angle adjusting mechanism, 31-limiting block, 311-square head screw rod, 312-square head nut, 32-arc slide rail, 321-large arc slide rail, 322-small arc slide rail, 33-elastic component, 4-round rod fixing mechanism, 41-bearing, 42-chuck, 43-mounting sleeve, 44-crescent clamping piece, 45-baffle, 4-motor, 47-motor wheel, 48-belt, 5-dust cap and round rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description of the principles of the invention is provided in connection with the accompanying drawings.
The automatic grinding machine for processing the top end of the round rod into the conical tip mainly comprises a rotary support frame 2 arranged on a processing table surface 13 of a grinding machine body 1, an angle adjusting mechanism 3 and a round rod fixing mechanism 4 arranged on a support table surface 21 of the rotary support frame 2. The round bar to be processed penetrates through the round bar fixing mechanism 4 and the supporting table top 21; the angle adjusting mechanism 3 is connected with the rotary supporting frame 2, and the inclination angle of the rotary supporting frame 2 relative to the processing table top 13 is adjusted according to the taper angle required to be processed by the round rod 6.
The grinding machine comprises a grinding machine body 1, a grinding wheel 12 and a processing table board 13, wherein the grinding machine motor 11, the grinding wheel 12 and the processing table board 13 are coaxially connected, the processing table board 13 is used for being connected with a rotary supporting frame 2 and an angle adjusting mechanism 3, the processing table board 13 is fixed on a machine base of the motor, and the grinding wheel 12 is located above the processing table board 13.
The rotary support frame 2 is in a long table shape and comprises a support table surface 21 and four support rods 22 which are connected with the right angle position of the support table surface 21, the angle adjusting mechanism 3 is parallel to the support rods 22 in the short edge direction and is in sliding connection with the support rods 22, and the support rods 22 on one side in the short edge direction are in rotary connection with the processing table surface 13 through the middle position.
The angle adjusting mechanism 3 comprises an arc-shaped slide rail 32, a limiting block 31 and an elastic part 33 which plays a role of pulling down on the rotating support frame 2. One end of the arc-shaped slide rail 32 is fixed on the processing table top 13, and the arc degree of the arc-shaped slide rail is designed to be consistent with the moving track of the bottom end of the support rod 22; the limiting block 31 is adjustably fixed on the arc-shaped sliding rail 32, and the position of the limiting block on the arc-shaped sliding rail 32 is adjusted according to the cone angle to be processed, so that the bottom end of the supporting rod 22 is supported, and the inclination angle of the rotary supporting frame 2 relative to the processing table top 13 is fixed. The elastic element 33 is arranged at the same side of the large-radian sliding rail 321, one end of the elastic element 33 is connected with the processing table board 13, and the other end of the elastic element is connected with the sliding block 23 connected to the bottom end of the supporting rod 22. In the processing process, the top end of the round rod 6 is firstly contacted with the grinding wheel 12, and a downward acting force is generated on the round rod 6 under the action of the elastic piece 33, so that the smooth grinding operation is ensured; along with the processing and grinding, the rotating support frame 22 rotates and moves downwards under the action of the pull-down force generated by the elastic element 33 until contacting with the limiting block 31, and the conical angle of the top end of the round rod 6 is consistent with the conical angle required to be ground, so that the grinding is finished. In addition, when the grinding machine works, the elastic part 33 can ensure the stability of the equipment during grinding work, and the influence on the precision caused by shaking due to vibration is avoided.
In the invention, the limiting block 31 comprises a group of square-head screws 311 and square-head nuts 312 which are matched with each other, and the square-head screws 311 penetrate through the grooves of the arc-shaped slide rails 32 from outside to inside.
When the connection and installation are carried out, the bottom end of the supporting rod 22 is provided with an installation hole, and the sliding block 23 penetrating through the installation hole is in sliding connection with the arc-shaped sliding rail 32.
Arc slide rail 32 include two sets of relative big radian slide rails 321 and the minor arc slide rail 322 that sets up, big radian slide rail 321 set up for one side of swivelling joint axle, big radian slide rail 321 select the slide rail that the surface has the scale, minor arc slide rail 322 to selecting for use the smooth rounding off of surface, the central angle that both correspond is 90 ︒ at least.
Round bar fixed establishment 4 includes chuck 42, bearing 41, sets up through bearing 41 support mesa 21 on, chuck 42 with support mesa 21 on be equipped with the through hole that is used for inserting the round bar the below of support mesa 21 corresponds the position of through hole and is equipped with installation sleeve 43 for supplementary steady rotation.
Still be equipped with a plurality of falcate clamping piece 44 around the position of through hole on the plane of chuck 42, the one end of falcate clamping piece 44 with chuck 42 rotates and is connected, falcate clamping piece 44 around angles such as through hole just arrange according to the clockwise. Chuck 42's surface still includes that a plurality of is equipped with along chuck 42 radius, the baffle 45 that the angle set up such as, the one end of baffle 45 is connected with chuck 42's outer lane, and the distance of the other end to chuck 42 centre of a circle is less than the distance of the link of falcate clamping piece 44 to the centre of a circle, outer lane and chuck 42's middle disk body frictional connection. The length of the two ends of the crescent moon-shaped clamping piece 44 is larger than the distance from the rotary connection point of the crescent moon-shaped clamping piece 44 and the chuck 42 to the center of the chuck 42.
The round bar fixing mechanism 4 further comprises a motor 4, a motor wheel 47 and a belt 48, the motor wheel 47 is coaxially connected with a rotating shaft of the motor 4, and the chuck 42 is synchronously connected with the motor wheel 47 through the belt 48.
When the grinding machine works, when the motor drives the chuck 42 to rotate anticlockwise through the belt 48, the inner baffle plate 45 pushes the crescent clamping piece 44 to rotate so as to clamp a round rod extending into the crescent clamping piece, all mechanisms of the chuck 42 are locked after clamping, and the chuck 42 is driven to rotate under the friction of the belt 48 so as to drive the round rod clamped by the chuck to rotate together. After grinding is completed, when the motor drives the chuck 42 to rotate clockwise through the belt 48, the in-ring baffle 45 pushes the three crescent-shaped clamping pieces 44 to rotate clockwise so as to loosen the tungsten rod.
And the dust cover 5 is arranged above the grinding wheel 12.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a with automatic milling machine of conical point of round bar top processing which characterized in that: the grinding machine comprises a grinding machine body, a rotary support frame and an angle adjusting mechanism which are arranged on a processing table top of the grinding machine body, and a round rod fixing mechanism arranged on a supporting table top of the rotary support frame, wherein a round rod to be processed penetrates through the round rod fixing mechanism and the supporting table top; the angle adjusting mechanism is connected with the rotary supporting frame, and the inclination angle of the rotary supporting frame relative to the processing table top is adjusted according to the cone angle of the round rod to be processed.
2. An automatic grinding machine for working a round bar tip into a tapered tip as claimed in claim 1, wherein: the rotary support frame is in a long table shape and comprises a support table top and four support rods, wherein the support table top is horizontally arranged, the four support rods are connected with the right-angle position of the support table top, the support rods, parallel to the short-edge direction, of the angle adjusting mechanism are connected with the angle adjusting mechanism in a sliding mode, and the support rods on one side are connected with the processing table top in a rotating mode.
3. An automatic grinding machine for working a round bar tip into a tapered tip as claimed in claim 1, wherein: the angle adjusting mechanism comprises an arc-shaped sliding rail, a limiting block and an elastic piece;
one end of the arc-shaped sliding rail is fixed on the processing table board, and the arc degree of the arc-shaped sliding rail is consistent with the moving track of the bottom end of the supporting rod;
the limiting block is adjustably fixed on the arc-shaped slide rail, and the position of the limiting block on the arc-shaped slide rail is adjusted according to the cone angle to be processed;
one end of the elastic part is connected with the processing table board, the other end of the elastic part is connected with the bottom end of the supporting rod, and the rotating support frame is pulled to rotate towards the direction of the processing table board until the position of the limiting block.
4. An automatic grinding machine for working a round bar tip into a tapered tip as claimed in claim 3, wherein: the arc-shaped sliding rails comprise two groups of large-radian sliding rails and small-radian sliding rails which are arranged oppositely, and the large-radian sliding rails are arranged relative to one side of the rotating connecting shaft.
5. An automatic grinding machine for working a round bar tip into a tapered tip as claimed in claim 3, wherein: the bottom of bracing piece is equipped with the mounting hole, through the slider that runs through the mounting hole with arc slide rail sliding connection.
6. An automatic grinding machine for working a round bar tip into a tapered tip as claimed in claim 4, wherein: the elastic piece with big radian slide rail homonymy setting, elastic piece one end link to each other with the processing mesa, the other end with the slider link to each other.
7. An automatic grinding machine for working a round bar tip into a tapered tip as claimed in claim 1, wherein: round bar fixed establishment includes the chuck, and the bearing sets up through the bearing the support mesa on, the chuck with the support bench on be equipped with the through hole that is used for inserting the round bar still be equipped with a plurality of falcate clamping piece around the position of through hole on the plane of chuck, the one end of falcate clamping piece with the chuck rotates and is connected, the falcate clamping piece center on angles such as through hole and arrange according to same hour hand direction.
8. An automatic grinding machine for working a round bar tip into a tapered tip as claimed in claim 7, wherein: the length of the two ends of the falcate clamping piece is larger than the distance from the rotary connection point of the falcate clamping piece and the chuck to the center of the chuck.
9. An automatic grinding machine for working a round bar tip into a tapered tip as claimed in claim 7, wherein: the round bar fixing mechanism further comprises a motor, a motor wheel and a belt, the motor wheel is coaxially connected with a rotating shaft of the motor, and the chuck is synchronously connected with the motor wheel through the belt.
10. An automatic grinding machine for working a round bar tip into a tapered tip as claimed in claim 7 or 8, wherein: the surface of the chuck further comprises a plurality of baffles which are arranged along the radius of the chuck and at equal angles, one end of each baffle is connected with the outer ring of the chuck, the distance from the other end to the circle center of the chuck is smaller than the distance from the connecting end of the falcate clamping piece to the circle center, and the outer ring is in friction connection with the middle disk body of the chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010406655.4A CN111546166B (en) | 2020-05-14 | 2020-05-14 | Automatic grinding machine for processing top end of round rod into conical tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010406655.4A CN111546166B (en) | 2020-05-14 | 2020-05-14 | Automatic grinding machine for processing top end of round rod into conical tip |
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| Publication Number | Publication Date |
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| CN111546166A true CN111546166A (en) | 2020-08-18 |
| CN111546166B CN111546166B (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010406655.4A Active CN111546166B (en) | 2020-05-14 | 2020-05-14 | Automatic grinding machine for processing top end of round rod into conical tip |
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| TWI433756B (en) * | 2010-11-18 | 2014-04-11 | Gallant Prec Machining Co Ltd | A milling machine with an angle correction mechanism |
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| CN207841052U (en) * | 2017-11-03 | 2018-09-11 | 南方风机股份有限公司 | Tungsten electrode assists grinding device |
| CN208729350U (en) * | 2018-09-05 | 2019-04-12 | 长春中车轨道车辆有限公司 | Tangent line plate tooth cutlery arrangement for grinding |
| CN209207430U (en) * | 2018-12-13 | 2019-08-06 | 周兴华 | A kind of cutting machine support holder |
| CN110405596A (en) * | 2019-08-24 | 2019-11-05 | 欧米尼自动化科技（苏州）有限公司 | Hand-held tungsten electrode milling drum |
| CN210440873U (en) * | 2019-08-27 | 2020-05-01 | 浙江小牛哥科技有限公司 | Virtual construction projection arrangement |
| CN210499768U (en) * | 2019-08-24 | 2020-05-12 | 欧米尼自动化科技（苏州）有限公司 | Tungsten electrode grinding head with adjustable processing angle |
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2020
- 2020-05-14 CN CN202010406655.4A patent/CN111546166B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3987812B2 (en) * | 2003-03-26 | 2007-10-10 | 京セラ株式会社 | Processing method of ferrule for optical fiber |
| TWI433756B (en) * | 2010-11-18 | 2014-04-11 | Gallant Prec Machining Co Ltd | A milling machine with an angle correction mechanism |
| CN203485013U (en) * | 2013-08-30 | 2014-03-19 | 重庆市极鼎金属铸造有限责任公司 | Adjustable polishing machine |
| CN107234512A (en) * | 2017-05-26 | 2017-10-10 | 上海锅炉厂有限公司 | A kind of pole head processing unit (plant) |
| CN207841052U (en) * | 2017-11-03 | 2018-09-11 | 南方风机股份有限公司 | Tungsten electrode assists grinding device |
| CN208729350U (en) * | 2018-09-05 | 2019-04-12 | 长春中车轨道车辆有限公司 | Tangent line plate tooth cutlery arrangement for grinding |
| CN209207430U (en) * | 2018-12-13 | 2019-08-06 | 周兴华 | A kind of cutting machine support holder |
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| Publication number | Publication date |
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| CN111546166B (en) | 2021-07-23 |
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