CN108581724B - Automatic chuck for small hardware grinding machine - Google Patents
Automatic chuck for small hardware grinding machine Download PDFInfo
- Publication number
- CN108581724B CN108581724B CN201810400623.6A CN201810400623A CN108581724B CN 108581724 B CN108581724 B CN 108581724B CN 201810400623 A CN201810400623 A CN 201810400623A CN 108581724 B CN108581724 B CN 108581724B
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- arc
- rod
- outer side
- grinding machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- 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
Abstract
The invention discloses an automatic chuck for a small-sized hardware grinding machine, which comprises a support frame, wherein the support frame is connected with a middle oscillating cylinder through a copper sleeve, an extension shaft of the middle oscillating cylinder is connected with a telescopic rod, an installation frame is arranged on the outer side of the telescopic rod, the end part of the telescopic rod is connected with a rod head through threads, a plurality of installation steps are uniformly distributed on the outer side of the rod head, the outer side of each installation step is rotatably connected with a first connecting rod, the end part of the first connecting rod is connected with a second connecting rod through a pin shaft, the end part of the second connecting rod is connected with a clamping plate, the other end of the clamping plate is rotatably connected onto the installation frame, a butterfly spring positioned between the first connecting rod and the second connecting rod is arranged in. The invention has the characteristics of wide application range, high positioning precision and good clamping stability.
Description
Technical Field
The invention relates to an automatic chuck for a grinding machine, in particular to an automatic chuck for a small hardware grinding machine.
Background
The small hardware grinding machine has the function that after a small workpiece is clamped and fixed, the surface or the sharp corner of the workpiece is ground through the grinding head, so that the small workpiece is shaped, and the ground surface has high smoothness. However, the existing grinding machine generally adopts a three-jaw chuck to fix the workpiece, so that the grinding machine cannot fix some unconventional-shaped workpieces, and when asymmetric parts such as an elliptical part and an eccentric pipe are fixed, the three jaws of the chuck cannot be tightly attached to the workpiece at the same time, so that the clamping stability of the grinding machine to the workpiece is reduced. In addition, because the conventional grinding machine cannot rotate and deflect the inclination angle of the clamped workpiece, the grinding machine needs to repeatedly position the workpiece in the process of grinding the workpiece for multiple times, and when the workpiece needs to be ground at the inclined position, the workpiece can only be ground by changing the clamping position of the workpiece. Therefore, the clamping mode of the existing grinding machine for the workpiece has the problems of small application range, low positioning precision and poor clamping stability.
Disclosure of Invention
The invention aims to provide an automatic chuck for a small-sized hardware grinding machine. The clamping device has the characteristics of wide application range, high positioning precision and good clamping stability.
The technical scheme of the invention is as follows: an automatic chuck for a small hardware grinding machine comprises a support frame, wherein the support frame is connected with a middle oscillating cylinder through a copper sleeve, the outer side of an oscillating shaft at one side of the middle oscillating cylinder is connected with a rotating gear through a plurality of screws, the lower end of the rotating gear is engaged with a driving gear, the inner side of the driving gear is connected with a driving motor, an extending shaft of the middle oscillating cylinder is connected with a telescopic rod, the outer side of the telescopic rod is provided with a mounting frame, the end part of the telescopic rod is connected with a rod head through threads, a plurality of mounting steps are uniformly distributed at the outer side of the rod head, the outer side of each mounting step is rotatably connected with a first connecting rod, the end part of the first connecting rod is connected with a second connecting rod through a pin shaft, the end part of the second connecting rod is connected, the middle of the pin shaft is provided with a butterfly spring positioned between the first connecting rod and the second connecting rod, two ends of the pin shaft are provided with electromagnets respectively fixed to the outer sides of the first connecting rod and the second connecting rod, the side wall of one side, far away from the electromagnets, of the first connecting rod is annularly distributed with a plurality of arc-shaped grooves, and the side wall, far away from the electromagnets, of the second connecting rod is provided with a plurality of arc-shaped protrusions matched with the arc-shaped grooves.
According to the automatic chuck for the small-sized hardware grinding machine, the outer side of the oscillating shaft of the middle oscillating cylinder is connected with the rotating gear through four screws, and the four screws are distributed at the end part of the oscillating shaft in a square shape.
The automatic chuck for the small-sized hardware grinding machine comprises a rotating gear, a driving gear and a driving gear, wherein the gear ratio of the rotating gear to the driving gear is 3: 1.
the automatic chuck for the small-sized hardware grinding machine is characterized in that the end part of the second connecting rod is connected with the pin shaft through the long hole.
According to the automatic chuck for the small-sized hardware grinding machine, the cover plate is arranged between the rotating gear and the oscillating shaft of the middle oscillating type air cylinder.
Compared with the prior art, the clamping device has the advantages that through the matching of the first connecting rod and the second connecting rod, the arc-shaped clamping surface of the clamping plate can be tightly attached to the side wall of a workpiece, so that the clamping plates at different positions can be stably connected with the mounting frame, after the clamping plates are positioned, the first connecting rod and the second connecting rod can be attached to each other under the suction action of the electromagnets through the electromagnets communicated with the outer sides of the first connecting rod and the second connecting rod, the arc-shaped bulge is buckled with the arc-shaped groove in the rotating process of the second connecting rod, and the extension rod of the middle swing type cylinder can sequentially drive the telescopic rod, the rod head, the first connecting rod, the second connecting rod and the clamping plate when being contracted, so that the workpiece can be clamped, the clamping device can clamp the workpiece with any shape, and is large in application range and good in clamping stability; when the grinding machine grinds, the stable clamping force can be applied to the workpiece through the clamping plate by the middle swing type air cylinder, so that the problem that the workpiece deviates or falls off due to external force during grinding is avoided, and the clamping stability of the grinding machine is further improved; a user can also adjust the inclination angle of the middle swing type air cylinder through the matching of the driving motor, the driving gear and the rotating gear, so that the workpiece can freely adjust the inclination angle of the workpiece after being fixed; the angle of the workpiece can be circumferentially rotated through the connecting structure of the telescopic rod and the rod head, so that the grinding position of the workpiece can be adjusted in 2 degrees of freedom, the applicability and the positioning precision of the grinding machine are improved, the workpiece can be prevented from loosening in the repeated clamping process, and the clamping stability of the grinding machine is further improved. In addition, the clamping size of the clamping plate can be increased through the long holes in the second connecting rod, and the application range of the clamping device is further widened; the butterfly spring between the first connecting rod and the second connecting rod can enable the arc-shaped groove and the arc-shaped bulge to be automatically separated after the electromagnet is powered off, so that a user can conveniently detach and repeatedly install the workpiece; the gear ratio between the rotating gear and the driving gear can further improve the adjustment precision of the driving motor to the workpiece, so that the invention can adjust the inclination angle of the workpiece in a small range. Therefore, the invention has the characteristics of wide application range, high positioning precision and good clamping stability.
Drawings
FIG. 1 is a schematic structural view of the invention;
FIG. 2 is a sectional view taken along line A of FIG. 1;
FIG. 3 is a schematic view of the connection of a first connecting rod and a second connecting rod;
fig. 4 is a structural schematic diagram of an arc-shaped groove and an arc-shaped protrusion.
The labels in the figures are: 1-support frame, 2-copper sleeve, 3-middle swing type cylinder, 4-screw, 5-rotating gear, 6-driving gear, 7-driving motor, 8-telescopic rod, 9-mounting frame, 10-rod head, 11-first connecting rod, 12-pin shaft, 13-second connecting rod, 14-clamping plate, 15-butterfly spring, 16-electromagnet, 17-cover plate, 101-mounting step, 111-arc groove, 131-arc bulge, 132-elongated hole, 141-arc clamping surface and 142-clamping circular groove.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. An automatic chuck for a small hardware grinding machine is composed of a supporting frame 1, a middle swing type cylinder 3 connected to the supporting frame 1 through a copper sleeve 2, a rotary gear 5 connected to the outer side of a swing shaft on one side of the middle swing type cylinder 3 through a plurality of screws 4, a driving gear 6 engaged with the lower end of the rotary gear 5, a driving motor 7 connected to the inner side of the driving gear 6, a telescopic rod 8 connected to the extending shaft of the middle swing type cylinder 3, a mounting frame 9 arranged on the outer side of the telescopic rod 8, a rod head 10 connected to the end of the telescopic rod 8 through a screw thread, locking screws arranged on the side wall of the rod head 10, a plurality of mounting steps 101 uniformly distributed on the outer side of the rod head 10, a first connecting rod 11 rotatably connected to the outer side of each mounting step 101, a second connecting rod 13 connected to the end of, an arc-shaped clamping surface 141 is arranged at one end of the clamping plate 14, a plurality of clamping circular grooves 142 are uniformly distributed on the arc-shaped clamping surface 141, the other end of the clamping plate 14 is rotatably connected onto the mounting frame 9, a butterfly spring 15 located between the first connecting rod 11 and the second connecting rod 13 is arranged in the middle of the pin shaft 12, electromagnets 16 fixed to the outer sides of the first connecting rod 11 and the second connecting rod 13 are arranged at two ends of the pin shaft 12 respectively, a plurality of arc-shaped grooves 111 are distributed on the side wall of one side, away from the electromagnets 16, of the first connecting rod 11 in an annular mode, and a plurality of arc-shaped protrusions 131 matched with the arc-shaped grooves 111 are arranged on the side wall of one.
The outer side of the oscillating shaft of the middle oscillating cylinder 3 is connected with a rotating gear 5 through four screws 4, and the four screws 4 are distributed at the end part of the oscillating shaft in a square shape.
The gear ratio of the rotating gear 5 to the driving gear 6 is 3: 1.
the end of the second connecting rod 13 is connected to the pin 12 through a long hole 132.
A cover plate 17 is arranged between the rotating gear 5 and the oscillating shaft of the middle oscillating cylinder 3.
The working principle of the invention is as follows: the invention is fixed on a grinding machine through a support frame 1, when a workpiece needs to be clamped, a user firstly places the workpiece between clamping plates 14 and adjusts the relative angle of a first connecting rod 11 and a second connecting rod 13, so that an arc-shaped clamping surface 141 of each clamping plate 14 can be tightly attached to the side wall of the workpiece; when the angle of the first connecting rod 11 and the second connecting rod 13 is adjusted, the electromagnet 16 is in a closed state, and at the time, the arc-shaped groove 111 and the arc-shaped protrusion 131 are separated from each other under the action of the belleville spring 15, so that the first connecting rod 11 and the second connecting rod 13 can rotate freely; the first connecting rod 11 and the second connecting rod 13 can extend the adjusting range thereof through the elongated hole 132 when adjusting the angle, so that the clamping plate 14 has a larger clamping angle, and the first connecting rod 11 and the second connecting rod 13 are prevented from colliding with a workpiece after being fixed. After the arc-shaped clamping surface 141 of each clamping plate 14 is attached to a workpiece, the middle oscillating cylinder 3 sequentially drives the telescopic rod 8 and the rod head 10 to contract upwards by opening the middle oscillating cylinder 3 and the electromagnet 16, so that the first connecting rod 11 and the second connecting rod 13 drive the clamping plates 14 to clamp the workpiece after rotating, the second connecting rod 13 is in contact with the first connecting rod 11 under the suction force when the electromagnet 16 is opened, and the arc-shaped bulge 131 is buckled into the arc-shaped groove 111 in the subsequent rotating process, so that the relative fixation between the first connecting rod 11 and the second connecting rod 13 is realized, the middle oscillating cylinder 3 can stably drive the clamping plates 14 to clamp the workpiece when contracting, the clamping plates 14 can be suitable for the workpiece with an unused structure and an unused shape through the matching of the arc-shaped clamping surface 141 and the clamping circular groove 142 and have good clamping stability, and the workpiece cannot incline or fall off due to external force by matching with the continuous contracting force of the middle oscillating cylinder 3 during grinding, has good clamping stability.
In the process of grinding the workpiece for multiple times, a user can adjust the dispatching of the middle oscillating cylinder 3 through the driving motor 7 among the grinding processes, so that the inclination angle of the workpiece can be freely adjusted after the workpiece is clamped, the stability and the precision of the workpiece during grinding are improved, the direct contact between the rotating gear 5 and the side wall of the support frame 1 can be avoided through the cover plate 17 when the rotating gear 5 rotates, and the stability of the middle oscillating cylinder 3 during rotation is ensured; the rod head 10 and the telescopic rod 8 are connected and matched, so that the workpiece can rotate along the axis of the mounting rack 9 after being clamped, the stability and the precision of the workpiece during grinding are further improved, the grinding machine can finish grinding at different positions for many times by one-time clamping, the grinding efficiency is high, and the grinding stability is good.
Claims (4)
1. The utility model provides a small-size hardware grinds machine automatic chuck which characterized in that: comprises a supporting frame (1), the supporting frame (1) is connected with a middle swing type cylinder (3) through a copper sleeve (2), the outer side of a swing shaft at one side of the middle swing type cylinder (3) is connected with a rotating gear (5) through a plurality of screws (4), the lower end of the rotating gear (5) is meshed with a driving gear (6), the inner side of the driving gear (6) is connected with a driving motor (7), an extension shaft of the middle swing type cylinder (3) is connected with a telescopic rod (8), the outer side of the telescopic rod (8) is provided with a mounting frame (9), the end part of the telescopic rod (8) is connected with a rod head (10) through threads, a plurality of mounting steps (101) are uniformly distributed at the outer side of the rod head (10), the outer side of each mounting step (101) is rotatably connected with a first connecting rod (11), the end part of the first connecting rod (11, an arc-shaped clamping surface (141) is arranged at one end of the clamping plate (14), a plurality of clamping circular grooves (142) are uniformly distributed on the arc-shaped clamping surface (141), the other end of the clamping plate (14) is rotatably connected to the mounting frame (9), a butterfly spring (15) positioned between the first connecting rod (11) and the second connecting rod (13) is arranged in the middle of the pin shaft (12), electromagnets (16) respectively fixed to the outer sides of the first connecting rod (11) and the second connecting rod (13) are arranged at two ends of the pin shaft (12), a plurality of arc-shaped grooves (111) are annularly distributed on the side wall of one side, away from the electromagnets (16), of the first connecting rod (11), and a plurality of arc-shaped protrusions (131) matched with the arc-shaped grooves (111) are arranged on the side wall of one side, away from the; the gear ratio of the rotating gear (5) to the driving gear (6) is 3: 1.
2. the automatic chuck for small hardware grinding machine according to claim 1, characterized in that: the outer side of the oscillating shaft of the middle oscillating cylinder (3) is connected with a rotating gear (5) through four screws (4), and the four screws (4) are distributed at the end part of the oscillating shaft in a square shape.
3. The automatic chuck for small hardware grinding machine according to claim 1, characterized in that: the end part of the second connecting rod (13) is connected with the pin shaft (12) through a long hole (132).
4. The automatic chuck for small hardware grinding machine according to claim 1, characterized in that: a cover plate (17) is arranged between the rotating gear (5) and the oscillating shaft of the middle oscillating cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400623.6A CN108581724B (en) | 2018-04-28 | 2018-04-28 | Automatic chuck for small hardware grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400623.6A CN108581724B (en) | 2018-04-28 | 2018-04-28 | Automatic chuck for small hardware grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108581724A CN108581724A (en) | 2018-09-28 |
| CN108581724B true CN108581724B (en) | 2020-02-14 |
Family
ID=63619181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810400623.6A Expired - Fee Related CN108581724B (en) | 2018-04-28 | 2018-04-28 | Automatic chuck for small hardware grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108581724B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540483B (en) * | 2018-10-30 | 2020-12-01 | 墙煌新材料股份有限公司 | Spring torsion test machine convenient to firm assembly test |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000026826A (en) * | 1998-10-23 | 2000-05-15 | 김형벽 | Robot hand |
| CN205438607U (en) * | 2016-03-31 | 2016-08-10 | 广西师范大学 | Manipulator clamping device |
| CN106078422A (en) * | 2016-06-30 | 2016-11-09 | 肖锐 | A kind of blade burnishing device based on pneumatic control |
| CN205766148U (en) * | 2016-05-09 | 2016-12-07 | 湖北工业大学 | A kind of transportation manipulator |
| CN206084705U (en) * | 2016-08-12 | 2017-04-12 | 温州市凯宇五金有限公司 | Production is with quick burnishing device of five gold plate materials |
| CN206527260U (en) * | 2017-03-10 | 2017-09-29 | 东莞大茂精密模具有限公司 | A kind of material jacking mechanism in small-sized handware diel |
| CN107856012A (en) * | 2017-11-06 | 2018-03-30 | 张卓琳 | A kind of reinforcing bar drawing force mechanism of all-directional rotation |
| CN207223408U (en) * | 2017-06-09 | 2018-04-13 | 北京工业大学 | One kind translation swallow appearance cam mandrel type dexterity three-jaw automatic centring fixture |
-
2018
- 2018-04-28 CN CN201810400623.6A patent/CN108581724B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000026826A (en) * | 1998-10-23 | 2000-05-15 | 김형벽 | Robot hand |
| CN205438607U (en) * | 2016-03-31 | 2016-08-10 | 广西师范大学 | Manipulator clamping device |
| CN205766148U (en) * | 2016-05-09 | 2016-12-07 | 湖北工业大学 | A kind of transportation manipulator |
| CN106078422A (en) * | 2016-06-30 | 2016-11-09 | 肖锐 | A kind of blade burnishing device based on pneumatic control |
| CN206084705U (en) * | 2016-08-12 | 2017-04-12 | 温州市凯宇五金有限公司 | Production is with quick burnishing device of five gold plate materials |
| CN206527260U (en) * | 2017-03-10 | 2017-09-29 | 东莞大茂精密模具有限公司 | A kind of material jacking mechanism in small-sized handware diel |
| CN207223408U (en) * | 2017-06-09 | 2018-04-13 | 北京工业大学 | One kind translation swallow appearance cam mandrel type dexterity three-jaw automatic centring fixture |
| CN107856012A (en) * | 2017-11-06 | 2018-03-30 | 张卓琳 | A kind of reinforcing bar drawing force mechanism of all-directional rotation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108581724A (en) | 2018-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110270899A (en) | A kind of grinding head and grinding apparatus for the polishing of annular workpieces inner wall | |
| CN108581724B (en) | Automatic chuck for small hardware grinding machine | |
| CN209206969U (en) | A kind of fixed device of lathe process | |
| CN109015686A (en) | A kind of plastic part surface makes automatic processing robot | |
| CN211867166U (en) | Turning clamp for machining hub | |
| CN209716546U (en) | Milling head 360 degree rotation positions electronic universal drilling and milling device | |
| CN110293422A (en) | A kind of roller gear drilling clamping device | |
| CN105328649B (en) | Working accessory and power tool | |
| CN212794427U (en) | Manual timber sanding tool | |
| CN214392634U (en) | Gear grinding machine | |
| CN209477726U (en) | A kind of activity anchor ear Universal rotary positioning device | |
| CN208276202U (en) | Pneumatic inner support click-on mechanism and automobile tooling | |
| CN111790949A (en) | Grinding machine and production line for circular saw blade production | |
| CN112045553A (en) | Grinding machine for three-eccentric butterfly valve | |
| CN219255054U (en) | Terminal chamfering equipment for bolt machining | |
| CN215317856U (en) | Mechanical arm polishing device with replaceable grinding tool structure and convenient efficiency improvement | |
| CN219837561U (en) | Deburring mechanism for punching precision stamping part | |
| CN110854049A (en) | Rotary crystal expanding device | |
| CN210640190U (en) | Rotary crystal expanding device | |
| CN214054447U (en) | Slide rail type transfer fixture for lathe machining | |
| CN212775414U (en) | A adjust structure for motor cabinet belt tensioning | |
| CN219094578U (en) | Surface processing machine for drain outlet row cylinder | |
| CN216137570U (en) | A even fat machine for even fat of bearing is fast | |
| CN109015172A (en) | A kind of automobile long-shaft type workpiece deburring equipment | |
| CN209551474U (en) | A kind of cylindrical grinder automatic fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 Termination date: 20210428 |