CN113458970A - Automatic clamping device for external rounding machine - Google Patents
Automatic clamping device for external rounding machine Download PDFInfo
- Publication number
- CN113458970A CN113458970A CN202110782899.7A CN202110782899A CN113458970A CN 113458970 A CN113458970 A CN 113458970A CN 202110782899 A CN202110782899 A CN 202110782899A CN 113458970 A CN113458970 A CN 113458970A
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- CN
- China
- Prior art keywords
- clamping
- mounting seat
- clamping device
- limiting block
- seat
- 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.)
- Pending
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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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
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to an automatic clamping device for an external rounding machine, and belongs to the technical field of machine tools. Comprises a clamping device main body and a gland; the clamping device comprises a clamping device body and a clamping claw, wherein the clamping device body comprises a fixed shaft, a limiting block, a mounting seat, a limiting block mounting plate, a fixed seat, a clamping claw mounting seat and a clamping claw, the fixed shaft is sleeved with the mounting seat, the limiting block is arranged at the bottom of the mounting seat, the limiting block mounting plate is arranged at the top of the mounting seat, the fixed seat is arranged at the top of the limiting block mounting plate, the clamping claw mounting seat is arranged at the top of the fixed seat, the clamping claw mounting seat is provided with a plurality of clamping claws, the clamping device body is covered with a gland, the heads of the clamping claws are hinged to the tops of the clamping claws, and the tails of the clamping claws are mounted at the tops of the gland; the invention solves the problems of low processing efficiency and insufficient safety caused by the matching use of the center and the driving ring in the processing of the machine tool, improves the processing operation efficiency of the machine tool and ensures that the processing operation of the machine tool becomes safer and more reliable.
Description
Technical Field
The invention relates to the technical field of machine tools, in particular to an automatic clamping device for an external rounding machine.
Background
As shown in fig. 6, the workpiece 5 is generally fixed for machining by using the matching of a centre and a driving ring in the process of machining the workpiece by a machine tool, particularly on an external rounding machine; when a workpiece 5 is machined, a common external rounding machine props against one end of the workpiece through a tip, and then the side face of the workpiece 5 is clamped by a manual operation driving ring to be machined, so that the workpiece 5 is fixed to be machined; although the work 5 can be fixed in this manner, the work efficiency is low and the safety is insufficient.
Disclosure of Invention
Aiming at the problems of defects and deficiencies in the prior art, the invention provides an automatic clamping device for an external rounding machine, which solves the problems of low machining efficiency and insufficient safety caused by the matching use of a centre and a driving ring in the machining of a machine tool, improves the machining operation efficiency of the machine tool and ensures that the machining operation of the machine tool becomes safer and more reliable.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an automatic clamping device for an external rounding machine comprises a clamping device main body and a gland;
the clamping device comprises a clamping device body and a clamping claw, wherein the clamping device body comprises a fixed shaft, a limiting block, a mounting seat, a limiting block mounting plate, a fixed seat, a clamping claw mounting seat and a clamping claw, the fixed shaft is sleeved with the mounting seat, the limiting block is arranged at the bottom of the mounting seat, the limiting block mounting plate is arranged at the top of the mounting seat, the fixed seat is arranged at the top of the limiting block mounting plate, the clamping claw mounting seat is arranged at the middle part of the top of the fixed seat, a plurality of clamping claws are uniformly distributed at the top of the clamping claw mounting seat, the number of the clamping claws is not less than 2, a gland is covered on the clamping device body, the head of the clamping claw is hinged at the top of the clamping claw mounting seat, a circular through hole is arranged at the center part of the head of the clamping claw, the edge of the head of the clamping claw is arc-shaped, and the distance between the circular through hole of the head of the clamping claw and the arc-shaped edge is gradually increased along the clockwise direction, the tail part of the clamping claw is arranged at the top of the gland.
Further, the number of the clamping claws is 3.
Furthermore, the limiting block, the mounting seat and the limiting block mounting plate are connected through a rotating shaft, and a needle bearing is arranged between the mounting seat and the rotating shaft.
Furthermore, the limiting block mounting seat is connected with the fixing seat through a straight rod positioning pin.
Furthermore, the gland and the clamping claw are connected through a step screw through a fulcrum.
Furthermore, a fixing ring is arranged below the fixing shaft.
Furthermore, a deep groove ball bearing is arranged on the outer side of the fixing shaft and located between the mounting seat and the fixing seat.
Furthermore, the bottom of the mounting seat is provided with a balancing weight.
Further, the clamping jaw is an eccentric clamping jaw.
The invention has the following beneficial effects: according to the invention, the clamping device main body is driven by the headstock to automatically clamp the workpiece to be processed, so that the operation mode of clamping the workpiece is improved, the clamping device can be driven by the headstock to rotate clockwise to automatically clamp the workpiece, and the processing efficiency of the machine tool is improved; in addition, the automatic clamping device has high safety performance, and can prevent workers from being injured due to manual clamping of workpieces.
Drawings
FIG. 1 is a schematic view of a clamp body;
FIG. 2 is a schematic diagram of the main structure of the present invention;
FIG. 3 is a schematic view of the construction of the clamping device body with the mounting base removed;
FIG. 4 is a schematic view of the connection between the mounting seat and the limiting block, and between the mounting plates of the limiting blocks;
FIG. 5 is a bottom view of the present invention;
fig. 6 is a front view of the carrier ring clamping the workpiece.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in figures 1-5, an automatic clamping device for an external rounding machine comprises a clamping device body 1 and a gland 2, wherein the gland 2 is covered at the top end of the clamping device body 1, the clamping device body 1 comprises a fixed shaft 11, a limit block 12, an installation seat 13, a limit block installation plate 14, a fixed seat 15, a clamping jaw installation seat 16 and a clamping jaw 17, the installation seat 13 is sleeved outside the fixed shaft 11, a fixing ring 18 is arranged on the fixed shaft 11 below the installation seat 13, the installation seat 13 is provided with a through hole, a rotating shaft 12-1 penetrates through the through hole to fix the limit block 12, the installation seat 13 and the limit block installation plate 14 together, the bottom of the installation seat 13 is provided with the limit block 12, the top of the installation seat 13 is provided with the limit block installation plate 14, the limit block 12, the installation seat 13 and the limit block 12 are fixed together through the rotating shaft 12-1, a needle bearing 13-1 is arranged between the installation seat 13 and the rotating shaft 12-1, the rear end of the limiting block 12 is provided with a first longitudinal through hole 12-2, the fixed seat 15 is provided with a second longitudinal through hole, the bottom of the clamping jaw mounting seat 16 is provided with a third longitudinal through hole, the straight rod positioning pin 12-3 sequentially passes through the first longitudinal through hole, the second longitudinal through hole and the third longitudinal through hole to fix the fixed seat 15, the limiting block mounting seat 14 and the clamping jaw mounting seat 16 together, the middle of the clamping jaw mounting seat 16 is provided with a fourth longitudinal through hole 16-1, during actual work, the head of the tip sequentially passes through the fixed shaft 11, the mounting seat 13, the fixed seat 15 and the fourth longitudinal through hole 16-1 positioned in the clamping jaw mounting seat 16, the top edge of the clamping jaw mounting seat 16 is uniformly distributed with 3 clamping jaws 17, the head of each clamping jaw 17 is provided with a circular through hole 17-1, and the distance from the circular through hole 17-1 of the head of each clamping jaw 17 to the arc-shaped edge of the head gradually increases along the clockwise direction, the head of the clamping claw 17 is hinged on the clamping claw mounting seat 16, the tail of the clamping claw 17 is fixedly connected with the top of the gland 2, the tail of the clamping claw 17 is provided with a long strip-shaped through hole, and the tail of the clamping claw 17 and the gland are fixed together through a step screw 17-2 through a fulcrum; during actual work, the clamping device is arranged on the tip of the external rounding machine, the limiting block 12 is fixedly connected to the headstock of the external rounding machine through bolts, the bottom of a workpiece is propped against by the fixed tip, and the side face of the workpiece is clamped by the clamping jaws to be fixed, so that the workpiece is machined; during machining, under the driving of the headstock, the limiting block 12, the mounting seat 13, the limiting block mounting plate 14, the fixing seat 15, the clamping jaw mounting seat 16, the clamping jaw 17 and the gland 2 are sequentially driven to move clockwise, and when the clamping device body 1 and the headstock move synchronously, the clamping jaw 17 fixes the side surface of a workpiece; during the process from the beginning of the movement of the clamping device body to the synchronous movement with the headstock, the distance between the circular through hole 17-1 at the head part of the clamping claw 17 and the clamping claw mounting seat 16 is not changed, but the distance from the circular through hole 17-1 at the head part of the clamping claw 17 to the arc-shaped edge is increased, so that the distance between the arc-shaped edge at the head part of the clamping claw 17 and the central shaft of the clamping claw mounting seat 16 is reduced, at the moment, under the combined action of 3 clamping claws 17, the side surface of the workpiece at the central position of the clamping claw mounting seat 16 is automatically clamped by the clamping claw 17, and after the workpiece is machined, the headstock motor is programmed to automatically reverse and release the workpiece.
Preferably, the edge of the top of the fixed seat 15 is provided with 3 compression blocks 15-1 which are uniformly distributed.
Preferably, the bottom of the mounting seat 13 is provided with a balancing weight 13-2.
Preferably, the outer side of the fixed shaft 11 is sleeved with a deep groove ball bearing, and the deep groove ball bearing is positioned between the fixed seat and the mounting seat, so that the supporting function is good.
The invention has the following beneficial effects: according to the invention, the clamping device main body is driven by the headstock to automatically clamp the workpiece to be processed, so that the operation mode of clamping the workpiece is improved, the clamping device can be driven by the headstock to rotate clockwise to automatically clamp the workpiece, and the processing efficiency of the machine tool is improved; in addition, the automatic clamping device has high safety performance, and can prevent workers from being injured due to manual clamping of workpieces.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only for illustrating the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides an automatic clamping device for external rounding machine which characterized in that: comprises a clamping device main body and a gland;
the clamping device comprises a clamping device body and a clamping claw, wherein the clamping device body comprises a fixed shaft, a limiting block, a mounting seat, a limiting block mounting plate, a fixed seat, a clamping claw mounting seat and a clamping claw, the fixed shaft is sleeved with the mounting seat, the limiting block is arranged at the bottom of the mounting seat, the limiting block mounting plate is arranged at the top of the mounting seat, the fixed seat is arranged at the top of the limiting block mounting plate, the clamping claw mounting seat is arranged at the middle part of the top of the fixed seat, a plurality of clamping claws are uniformly distributed at the top of the clamping claw mounting seat, the number of the clamping claws is not less than 2, a gland is covered on the clamping device body, the head of the clamping claw is hinged at the top of the clamping claw mounting seat, a circular through hole is arranged at the center part of the head of the clamping claw, the edge of the head of the clamping claw is arc-shaped, and the distance between the circular through hole of the head of the clamping claw and the arc-shaped edge is gradually increased along the clockwise direction, the tail part of the clamping claw is arranged at the top of the gland.
2. The automatic clamping device for an external rounding machine according to claim 1, characterized in that: the number of the clamping claws is 3.
3. The automatic clamping device for an external rounding machine according to claim 1, characterized in that: the limiting block, the mounting seat and the limiting block mounting plate are connected through a rotating shaft, and a needle bearing is arranged between the mounting seat and the rotating shaft.
4. The automatic clamping device for an external rounding machine according to claim 1, characterized in that: the limiting block mounting seat is connected with the fixing seat through the straight rod positioning pin.
5. The automatic clamping device for an external rounding machine according to claim 1, characterized in that: the gland and the clamping claw are connected through a step screw through a fulcrum.
6. The automatic clamping device for an external rounding machine according to claim 1, characterized in that: a fixing ring is arranged below the fixing shaft.
7. The automatic clamping device for an external rounding machine according to claim 1, characterized in that: the outer side of the fixed shaft is provided with a deep groove ball bearing, and the deep groove ball bearing is located between the mounting seat and the fixed seat.
8. The automatic clamping device for an external rounding machine according to claim 1, characterized in that: and a balancing weight is arranged at the bottom of the mounting seat.
9. The automatic clamping device for an external rounding machine according to claim 1, characterized in that: the clamping jaw is an eccentric clamping jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782899.7A CN113458970A (en) | 2021-07-12 | 2021-07-12 | Automatic clamping device for external rounding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782899.7A CN113458970A (en) | 2021-07-12 | 2021-07-12 | Automatic clamping device for external rounding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113458970A true CN113458970A (en) | 2021-10-01 |
Family
ID=77879779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110782899.7A Pending CN113458970A (en) | 2021-07-12 | 2021-07-12 | Automatic clamping device for external rounding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113458970A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115194567A (en) * | 2022-07-11 | 2022-10-18 | 北平机床(浙江)股份有限公司 | Round bar clamping driving mechanism |
-
2021
- 2021-07-12 CN CN202110782899.7A patent/CN113458970A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115194567A (en) * | 2022-07-11 | 2022-10-18 | 北平机床(浙江)股份有限公司 | Round bar clamping driving mechanism |
| CN115194567B (en) * | 2022-07-11 | 2024-04-16 | 北平机床(浙江)股份有限公司 | Round bar clamping driving mechanism |
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