CN216939476U - Clamping device of internal expanding clamp - Google Patents

Clamping device of internal expanding clamp Download PDF

Info

Publication number
CN216939476U
CN216939476U CN202122246990.5U CN202122246990U CN216939476U CN 216939476 U CN216939476 U CN 216939476U CN 202122246990 U CN202122246990 U CN 202122246990U CN 216939476 U CN216939476 U CN 216939476U
Authority
CN
China
Prior art keywords
clamping
internal expanding
groove
seat
clamping device
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.)
Active
Application number
CN202122246990.5U
Other languages
Chinese (zh)
Inventor
李翔
赵壮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Chenghong Precision Machinery Co ltd
Original Assignee
Nantong Chenghong Precision Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nantong Chenghong Precision Machinery Co ltd filed Critical Nantong Chenghong Precision Machinery Co ltd
Priority to CN202122246990.5U priority Critical patent/CN216939476U/en
Application granted granted Critical
Publication of CN216939476U publication Critical patent/CN216939476U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Abstract

The utility model discloses a clamping device of an internal expanding clamp, belonging to the technical field of numerical control machining, comprising a back seat and a lining, wherein the lining is arranged at the left end of the back seat, and the clamping device also comprises: the inner expansion device is arranged at the left end of the lining and comprises a first groove, a support arm and an inner expansion rod, the first groove is formed in the inner wall of the left end of the lining, the support arm is arranged on the inner side of the first groove, the inner expansion rod is connected to the left end of the support arm, a buffer groove is formed in the left end of the inner expansion rod, a second groove is formed in the inner side of the buffer groove, a spring is arranged on the inner side of the second groove, and a first clamping seat and a second clamping seat are respectively arranged at the side end of the lining, so that the lining structure has the beneficial effects that: the inner side of the clamping device commonly used for the lathe is provided with the inner expansion device, the workpiece is clamped from inside to outside, then the side end of the workpiece is clamped, the workpiece with the irregular shape or the wall thickness too thin is conveniently clamped, and the clamping stability of the workpiece is improved.

Description

Clamping device of internal expanding clamp
Technical Field
The utility model relates to the technical field of numerical control machining, in particular to a clamping device of an internal expanding clamp.
Background
The lathe is a machine tool which mainly uses a lathe tool to carry out turning processing on a rotating workpiece, a drill bit, a reamer, a screw tap, a screw die, a knurling tool and the like can be used for carrying out corresponding processing on the lathe, the application of the numerical control technology not only brings revolutionary changes to the traditional manufacturing industry and enables the manufacturing industry to become an industrialized symbol, but also plays an increasingly important role in the development of some important industries of the countryside along with the continuous development and the expansion of the application field of the numerical control technology, because the digitalization of equipment required by the industries is a great trend of modern development, the lathe clamp refers to a clamp which is used for processing the inner and outer revolution surfaces and the end surfaces of the workpiece on the lathe, and the lathe clamp is mostly arranged on a main shaft; a small number of the lathe fixtures are arranged on a saddle or a lathe bed, and the lathe fixtures are divided into the following parts according to different workpiece positioning modes: centering, chuck, angle iron, and faceplate, etc.
The conventional clamping mode of a lathe is that a three-jaw chuck clamps a workpiece from outside to inside, but the outer circle of the workpiece is irregular or the wall thickness of the workpiece is too thin, so that the workpiece is not suitable for being clamped from outside to inside.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in view of the above and/or other problems occurring in the clamping apparatus of the conventional internal expanding clamp.
Therefore, the utility model aims to provide a clamping device of an inner expansion clamp, which is characterized in that an inner expansion device is arranged on the inner side of a clamping device commonly used for a lathe to clamp a workpiece from inside to outside and then clamp the side end of the workpiece, so that the workpiece with an irregular or too thin wall thickness can be conveniently clamped, the clamping stability of the workpiece is improved, and the problem that the workpiece is clamped from outside to inside by the three-jaw chuck in the clamping mode commonly used for the lathe, but some workpieces have irregular outer circles or too thin wall thicknesses and are not suitable for being clamped from outside to inside can be solved.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a clamping device of an internal expanding clamp comprises: back seat and inside lining, the inside lining is installed at the back seat left end, still includes: the inner expanding device is arranged at the left end of the lining.
As a preferable scheme of the clamping device of the internal expanding clamp, the clamping device comprises: the inner expansion device comprises a first groove, a supporting arm and an inner expansion rod, the first groove is formed in the inner wall of the left end of the lining, the supporting arm is mounted on the inner side of the first groove, and the inner expansion rod is connected to the left end of the supporting arm.
As a preferable scheme of the clamping device of the internal expanding clamp, the clamping device of the internal expanding clamp comprises: the left end of the inner expansion rod is provided with a buffer groove, the inner side of the buffer groove is provided with a second groove, and a spring is arranged on the inner side of the second groove.
As a preferable scheme of the clamping device of the internal expanding clamp, the clamping device comprises: the inner lining is characterized in that a first clamping seat and a second clamping seat are respectively installed at the side end of the inner lining, a second screw rod is installed at the left ends of the first clamping seat and the second clamping seat in a threaded mode, and a clamping block is installed on the inner side of the second screw rod.
As a preferable scheme of the clamping device of the internal expanding clamp, the clamping device of the internal expanding clamp comprises: and a convex cap is arranged on the outer side of the second screw rod, and the outer side of the convex cap is arc-shaped.
As a preferable scheme of the clamping device of the internal expanding clamp, the clamping device of the internal expanding clamp comprises: the right end of the rear seat is provided with a first screw rod, and the left end of the first screw rod is connected with the supporting arm.
As a preferable scheme of the clamping device of the internal expanding clamp, the clamping device of the internal expanding clamp comprises: the rear seat right-hand member demountable installation connecting seat, connecting seat right-hand member installation bolt, the connecting seat right-hand member installation bull stick.
As a preferable scheme of the clamping device of the internal expanding clamp, the clamping device comprises: the right end of the internal expansion rod is provided with a connecting sheet, and the right end of the connecting sheet is connected with the supporting arm.
Compared with the prior art:
through set up the internal expanding device to the clamping device inboard that the lathe is used always, carry out the clamping to the work piece from inside to outside, then carry out the clamping to the work piece side, conveniently carry out the clamping to the work piece that irregular or wall thickness is too thin, improve the clamping stability of work piece, set up the internal expanding device and have and carry out the internal expanding clamping to the work piece that outside is irregular or wall thickness is too thin, through setting up the internal expanding pole, the internal expanding pole is pegged graft in the work piece that contains the through-hole, carry out the clamping from inside to outside to the work piece, the internal expanding pole tip is the software, can promote to the inboard.
Drawings
FIG. 1 is a structural diagram of a clamping device of an internal expanding clamp according to the present invention;
FIG. 2 is a structural diagram of an internal expanding device in a clamping device of an internal expanding clamp according to the utility model;
fig. 3 is a left side view of an internal expanding rod in a clamping device of an internal expanding clamp.
In the figure: the rear seat comprises a rear seat 1, a first screw rod 11, a connecting seat 12, a bolt 13, a rotating rod 14, an inner lining 15, a first clamping seat 16, a second clamping seat 17, a second screw rod 18, a convex cap 181, a clamping block 19, an internal expansion device 2, a first groove 21, a supporting arm 22, an internal expansion rod 23, a spring 24, a second groove 25, a buffer groove 26 and a connecting piece 27.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a clamping device of an internal expanding clamp, which has the advantages of clamping a workpiece from inside to outside, then clamping the side end of the workpiece, conveniently clamping the workpiece with irregularity or too thin wall thickness and improving the clamping stability of the workpiece, please refer to fig. 1-3, comprising a back seat 1 and an inner liner 15, and further comprising: an internal expanding device 2;
further, the inner lining 15 is installed at the left end of the rear seat 1, a first clamping seat 16 and a second clamping seat 17 are respectively installed at the side end of the inner lining 15, a screw rod 18 is installed at the left ends of the first clamping seat 16 and the second clamping seat 17 in a threaded mode, a clamping block 19 is installed on the inner side of the screw rod 18, a convex cap 181 is installed on the outer side of the screw rod 18, the outer side of the convex cap 181 is arc-shaped, a screw rod 11 is installed at the right end of the rear seat 1, the left end of the screw rod 11 is connected with a supporting arm 22, a connecting seat 12 is detachably installed at the right end of the rear seat 1, a bolt 13 is installed at the right end of the connecting seat 12, a rotating rod 14 is installed at the right end of the connecting seat 12, specifically, the inner lining 15 has the effect of installing the supporting arm 22, the inner lining 15 also has the effects of fixing the first clamping seat 16 and the second clamping seat 17, the first clamping seat 16 and the second clamping seat 17 have the effect of installing the screw rod 18, the screw rod 18 has the effect of moving the clamping block 19 after rotating inwards, the convex cap 181 has the effect of facilitating hand holding and facilitating hand holding, screw rod 11 has the effect of fixing support arm 22, and connecting seat 12 has the effect of supporting bull stick 14, and bolt 13 has the appearance of fixing connecting seat 12, and bull stick 14 has the effect of external rotating equipment, is convenient for rotate back seat 1.
Further, the inner expanding device 2 is installed at the left end of the lining 15, the inner expanding device 2 comprises a first groove 21, a supporting arm 22 and an inner expanding rod 23, the first groove 21 is arranged on the inner wall of the left end of the lining 15, the supporting arm 22 is installed on the inner side of the first groove 21, the inner expanding rod 23 is connected to the left end of the supporting arm 22, the buffer groove 26 is formed at the left end of the inner expanding rod 23, the second groove 25 is formed in the inner side of the buffer groove 26, a spring 24 is installed on the inner side of the second groove 25, a connecting sheet 27 is installed at the right end of the inner expanding rod 23, the right end of the connecting sheet 27 is connected with the supporting arm 22, specifically, the inner expanding device 2 has the function of clamping and expanding a workpiece with an irregular outer side or too thin wall thickness, the first groove 21 has the function of installing the supporting arm 22, the supporting arm 22 has the function of supporting the inner expanding rod 23, the inner expanding rod 23 has the function of being inserted into a workpiece with a through hole to clamp the workpiece from inside to outside, and the left end of the inner expanding rod 23 is, can push to the inboard, and the dashpot 26 has the effect that makes things convenient for the inside side push of internal expanding rod 23 left end, and recess two 25 has the effect of installation spring 24, and spring 24 has the effect that promotes internal expanding rod 23 to both sides, and supplementary internal expanding rod 23 opens, and connection piece 27 has the effect of connecting internal expanding rod 23 and support arm 22.
When the tool is used, a person skilled in the art inserts the supporting arm 22 into the first groove 21, connects and fixes the supporting arm 22 through the first screw 11, installs the internal expansion rod 23 at the left end of the supporting arm 22, the first groove 21 is arranged on the inner wall of the left end of the lining 15, installs the supporting arm 22 inside the first groove 21, connects the internal expansion rod 23 to the left end of the supporting arm 22, installs the buffer groove 26 at the left end of the internal expansion rod 23, installs the second groove 25 inside the buffer groove 26, installs the spring 24 inside the second groove 25, installs the connecting piece 27 at the right end of the internal expansion rod 23, connects the supporting arm 22 at the right end of the connecting piece 27, connects the screw rod 18 with the inner walls of the first clamp holder 16 and the second clamp holder 17 through threads respectively, pushes the left end of the internal expansion rod 23 inwards, connects the processed workpiece to the outer side of the internal expansion rod 23, uses the internal expansion rod 23 to reinforce the workpiece from inside to outside, holds the convex cap 181 to rotate the screw rod 18, enables the clamp block 19 to clamp the workpiece from the side, installs the lining 15 at the left end of the rear seat 1, a first clamping seat 16 and a second clamping seat 17 are respectively installed at the side end of a liner 15, a screw rod 18 is installed at the left ends of the first clamping seat 16 and the second clamping seat 17 in a threaded mode, a clamping block 19 is installed on the inner side of the screw rod 18, a convex cap 181 is installed on the outer side of the screw rod 18, the outer side of the convex cap 181 is in a circular arc shape, a screw rod 11 is installed at the right end of a rear seat 1, a supporting arm 22 is connected to the left end of the screw rod 11, a connecting seat 12 is detachably installed at the right end of the rear seat 1, a bolt 13 is installed at the right end of the connecting seat 12, a rotating rod 14 is installed at the right end of the connecting seat 12, the rotating rod 14 is rotated through an external rotating device of the rotating rod 14, the rear seat 1 and a workpiece are driven to rotate through rotation of the rotating rod 14, and the workpiece is conveniently processed.
While the utility model has been described with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. The utility model provides a clamping device of internal expanding anchor clamps, includes back seat (1) and inside lining (15), inside lining (15) are installed at back seat (1) left end, its characterized in that still includes: the inner expansion device (2), the inner expansion device (2) is arranged at the left end of the lining (15).
2. The clamping device of an internal expanding clamp as claimed in claim 1, wherein the internal expanding device (2) comprises a first groove (21), a supporting arm (22) and an internal expanding rod (23), the first groove (21) is arranged on the inner wall of the left end of the lining (15), the supporting arm (22) is arranged on the inner side of the first groove (21), and the internal expanding rod (23) is connected to the left end of the supporting arm (22).
3. The clamping device of an internal expanding clamp as claimed in claim 2, wherein the left end of the internal expanding rod (23) is provided with a buffer groove (26), the inner side of the buffer groove (26) is provided with a second groove (25), and the inner side of the second groove (25) is provided with a spring (24).
4. The clamping device for the internal expanding clamp as claimed in claim 1, wherein a first clamping seat (16) and a second clamping seat (17) are respectively installed at the side ends of the lining (15), a second screw rod (18) is installed at the left ends of the first clamping seat (16) and the second clamping seat (17) in a threaded manner, and a clamping block (19) is installed on the inner side of the second screw rod (18).
5. The clamping device for the internal expanding clamp according to claim 4, wherein a convex cap (181) is mounted on the outer side of the second screw (18), and the outer side of the convex cap (181) is arc-shaped.
6. The clamping device for the internal expanding clamp as claimed in claim 1, wherein a first screw (11) is mounted at the right end of the rear seat (1), and the left end of the first screw (11) is connected with the supporting arm (22).
7. The clamping device of an internal expanding clamp according to claim 1, wherein a connecting seat (12) is detachably mounted at the right end of the rear seat (1), a bolt (13) is mounted at the right end of the connecting seat (12), and a rotating rod (14) is mounted at the right end of the connecting seat (12).
8. The clamping device of an internal expanding clamp as claimed in claim 2, characterized in that the right end of the internal expanding rod (23) is provided with a connecting piece (27), and the right end of the connecting piece (27) is connected with the supporting arm (22).
CN202122246990.5U 2021-09-16 2021-09-16 Clamping device of internal expanding clamp Active CN216939476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122246990.5U CN216939476U (en) 2021-09-16 2021-09-16 Clamping device of internal expanding clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122246990.5U CN216939476U (en) 2021-09-16 2021-09-16 Clamping device of internal expanding clamp

Publications (1)

Publication Number Publication Date
CN216939476U true CN216939476U (en) 2022-07-12

Family

ID=82289302

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122246990.5U Active CN216939476U (en) 2021-09-16 2021-09-16 Clamping device of internal expanding clamp

Country Status (1)

Country Link
CN (1) CN216939476U (en)

Similar Documents

Publication Publication Date Title
CN101712079A (en) Method for processing oil grooves in inner bores of copper bearing bush
CN112518245A (en) Machining process for reducing wall thickness difference of ultra-slender hollow shaft part
CN212683263U (en) Split internal expansion chuck structure
CN201201055Y (en) Fixed clamp type lathe spindle center
CN216939476U (en) Clamping device of internal expanding clamp
CN207087407U (en) Hole processing clamp in a kind of thin-walled parts for numerically controlled lathe
CN204450017U (en) Swivel nut inner bore of part lathe for machining fixture
CN203875363U (en) Chuck for lathe tailstock
CN210649696U (en) Floating clamping device for machining outer circle of connecting rod by lathe
CN202539755U (en) Large-diameter bend flame cutter fixture
CN214980505U (en) Vertical center clamp for antenna machining
CN212822723U (en) Thimble tray is used in automobile-used processing of mould steel
CN209754641U (en) special fixture for drilling high-precision spherical hole on swinging arm piece
CN204818777U (en) Lathe work welding stent's anchor clamps
CN210937205U (en) Clamping tool for steering joint parts
CN209850435U (en) Multi-angle drilling fixture
CN108237408B (en) Rotary machining center fixture
CN204711630U (en) A kind of lathe process auxiliary fixture
CN220128149U (en) Special tool for turning of excircle eccentric workpiece
CN219113415U (en) Special tool of outer clamping of machine
CN211889260U (en) Universal lathe reaming anchor clamps
CN205021214U (en) Lens holder internal diameter adds clamping apparatus
CN220993536U (en) Chuck fixing tool for finish turning inner hole of thin-wall workpiece
CN216263657U (en) Thin-wall circular workpiece upper notch hole machining clamp
CN216729573U (en) Special fixture for turning titanium alloy thin-walled workpiece

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant