CN217045584U - Cylindrical thin-wall part machining clamp - Google Patents

Cylindrical thin-wall part machining clamp Download PDF

Info

Publication number
CN217045584U
CN217045584U CN202123095695.0U CN202123095695U CN217045584U CN 217045584 U CN217045584 U CN 217045584U CN 202123095695 U CN202123095695 U CN 202123095695U CN 217045584 U CN217045584 U CN 217045584U
Authority
CN
China
Prior art keywords
positioning block
workpiece
utility
cylindrical thin
block
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
CN202123095695.0U
Other languages
Chinese (zh)
Inventor
赵立佳
姜少文
汪诗兵
何培强
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.)
Tianjin Hangyu Jiarui Co ltd
Original Assignee
Tianjin Hangyu Jiarui 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 Tianjin Hangyu Jiarui Co ltd filed Critical Tianjin Hangyu Jiarui Co ltd
Priority to CN202123095695.0U priority Critical patent/CN217045584U/en
Application granted granted Critical
Publication of CN217045584U publication Critical patent/CN217045584U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a tube-shape thin wall spare adds clamping apparatus, including outside centre gripping subassembly, inside centre gripping subassembly and the four-axis connection pad that is used for being connected with the lathe rotation axis. The utility model reduces the clamping times of the workpiece, for the thin-wall workpiece, the more the clamping times are, the larger the deformation is, the more difficult the control is, the workpiece can be processed and finished by installing the utility model on the four-axis linkage of the numerical control machine tool to realize one-time clamping without repositioning and aligning, and the processing accuracy is improved; furthermore, the utility model discloses it is fixed to carry out the centre gripping simultaneously to the inside and the outside of work piece, can effectively reduce the work piece and appear warping in the course of working, has improved the quality of work piece.

Description

Cylindrical thin-walled part machining clamp
Technical Field
The utility model relates to a frock clamp technical field especially relates to a tube-shape thin wall spare adds clamping apparatus.
Background
In the process of machining the cylindrical thin-walled workpiece, the workpiece needs to be clamped and fixed by the clamp, the workpiece needs to be clamped and fixed for multiple times by the traditional boring machine machining process, the workpiece is prone to deformation due to multiple clamping and fixing, the clamping difficulty is high, the working efficiency is low, and errors are prone to exist in multiple clamping, so that the machining accuracy is low.
Disclosure of Invention
The utility model discloses aim at solving prior art's not enough, and provide a tube-shape thin wall spare adds clamping apparatus.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a cylindrical thin-wall part machining clamp comprises an external clamping assembly, an internal clamping assembly and a four-axis connecting disc used for being connected with a machine tool rotating shaft;
the external clamping assembly comprises a first positioning block connected with the four-axis connecting disc, the first positioning block surrounds the middle of one side of a workpiece, a second positioning block surrounds the middle of the other side of the workpiece, the second positioning block and the first positioning block are buckled together to surround the workpiece, one end of the second positioning block is hinged to the first positioning block, a plurality of locking screws are mounted at the other end of the second positioning block, the second positioning block is connected with the first positioning block through the locking screws, and a plurality of first fixing screws used for fixing the workpiece are mounted on the first positioning block and the second positioning block;
the internal clamping assembly comprises a third positioning block positioned in the inner cavity of the workpiece and a second fixing screw arranged on the third positioning block, and the screw end of the second fixing screw is attached to the inner side wall of the workpiece;
the middle part of the outer wall of the workpiece is provided with an annular clamping groove, the first positioning block and the second positioning block are both positioned in the annular clamping groove of the workpiece, and the height of the first positioning block is equal to that of the annular clamping groove.
The first positioning block is hinged to the second positioning block through a hinge.
The section of the third positioning block is I-shaped.
The screw end of the second fixing screw penetrates through the third positioning block and then is attached to the inner side wall of the workpiece;
the screw end of the second fixing screw is provided with a groove, a spring is arranged in the groove, the outer end of the spring is connected with a ball, and the ball is attached to the inner side wall of the workpiece
The height of the second positioning block is smaller than that of the first positioning block.
Four-axis connection pad is equipped with No. four locating pieces towards one side of locating piece, be equipped with on the locating piece with No. four locating piece assorted positioning groove.
The beneficial effects of the utility model are that: the utility model reduces the clamping times of the workpiece, and for the thin-wall workpiece, the more the clamping times are, the larger the deformation is, the more difficult the control is, by installing the utility model on the four-axis linkage of the numerical control machine tool, the workpiece can be processed and finished by realizing one-time clamping without repositioning and aligning, and the processing accuracy is improved; furthermore, the utility model discloses it is fixed to carry out the centre gripping simultaneously to the inside and the outside of work piece, can effectively reduce the work piece and appear warping in the course of working, has improved the quality of work piece.
Drawings
Fig. 1 is a plan view of the present invention in an exploded state;
FIG. 2 is a front view of the present invention in an exploded state;
FIG. 3 is a schematic view of the present invention;
fig. 4 is a front view of the present invention;
in the figure: 1-an external clamping assembly; 11-a positioning block; 12-second positioning block; 13-locking screws; 14-a set screw; 2-an internal clamping assembly; 21-III positioning block; 22-second set screw; 3-four-axis connecting disc; 4-a workpiece; 5-fourth positioning block;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to 4, a cylindrical thin-walled workpiece machining fixture comprises an external clamping assembly 1, an internal clamping assembly 2 and a four-axis connecting disc 3 for connecting with a machine tool rotating shaft, wherein the four-axis connecting disc 3 is fixed on the machine tool rotating shaft through a plurality of bolts;
the external clamping assembly 1 comprises a first positioning block 11 connected with the four-axis connecting disc 3, the first positioning block 11 surrounds the middle of one side of the workpiece 4, a second positioning block 12 surrounds the middle of the other side of the workpiece 4, the second positioning block 12 and the first positioning block 11 are buckled together to surround the workpiece 4, one end of the second positioning block 12 is hinged to the first positioning block 11, the first positioning block 11 and the second positioning block 12 are hinged through hinges, after machining is conveniently completed, a gap for taking out the workpiece 4 is reserved by rotating the second positioning block 12, and the workpiece 4 can be conveniently taken out and a next workpiece 4 to be machined is conveniently installed; a plurality of locking screws 13 are mounted at the other end of the second positioning block 12, the second positioning block 12 is connected with the first positioning block 11 through the locking screws 13, and a plurality of first fixing screws 14 for fixing the workpiece 4 are mounted on the first positioning block 11 and the second positioning block 12;
the internal clamping assembly 2 comprises a third positioning block 21 positioned in the inner cavity of the workpiece 4 and a second fixing screw 22 arranged on the third positioning block 21, and the screw end of the second fixing screw 22 is attached to the inner side wall of the workpiece 4;
the middle part of the outer wall of the workpiece 4 is provided with an annular clamping groove, the first positioning block 11 and the second positioning block 12 are both positioned in the annular clamping groove of the workpiece 4, the height of the first positioning block 11 is equal to that of the annular clamping groove, and the workpiece 4 can be effectively prevented from moving up and down in the machining process of the workpiece 4.
The section of the third positioning block 21 is I-shaped, so that the second fixing screw 22 can be conveniently installed.
The screw end of the second fixing screw 22 passes through the third positioning block 21 and then is attached to the inner side wall of the workpiece 4;
the screw end of the second fixing screw 22 is provided with a groove, a spring is arranged in the groove, the outer end of the spring is connected with a ball, and the ball is attached to the inner side wall of the workpiece 4
The height of the second positioning block 12 is smaller than that of the first positioning block 11.
Four-axis connection pad 3 is equipped with No. four locating pieces 5 towards one side of locating piece 11, is equipped with the positioning groove with No. four locating piece 5 assorted on the locating piece 11.
The utility model discloses the during operation, the processing step as follows:
(1) the utility model is arranged on the rotating shaft of the machine tool, namely, a four-shaft connecting disc 3 is fixed on the rotating shaft of the machine tool through a plurality of bolts; no. three locating pieces 21 of 4 internally mounted of work piece, No. two fixed screws 22 of installation on No. three locating pieces 21 are adjustable, according to the difference of 4 sizes of work piece, adjust the length that No. two fixed screws 22 screw rod ends wore out No. three locating pieces 21, and the ball and the spring coupling of No. two fixed screws 22 tip can self-regulation according to the difference of dynamics, and work piece 4 installs on the frock, uses the frock location chucking.
(2) The upper end of the workpiece 4 is firstly roughly machined through four-axis machining of a numerical control machine tool, allowance is reserved during machining, the workpiece is rotated by 180 degrees through a machine tool rotating shaft after machining is finished, the other end of the workpiece is machined, allowance is reserved during rough machining, and stress is released.
(3) Before finish machining, firstly loosening a fixing screw 14, releasing clamping internal stress, fully releasing, then locking the workpiece 4 for finish machining, wherein the finish machining also processes one end firstly, the upper end arc surface is not processed firstly, and after the finish machining of the other surface is completed, the excircle arc is integrally subjected to finish machining.
The utility model reduces the clamping times of the workpiece 4, for the thin-wall workpiece 4, the more the clamping times are, the larger the deformation is, the more difficult the control is, by installing the utility model on the four-axis linkage of the numerical control machine tool, the workpiece 4 can be processed and finished by realizing one-time clamping without repositioning and aligning, and the processing accuracy is improved; furthermore, the utility model discloses it is fixed to carry out the centre gripping simultaneously with the outside to the inside of work piece 4, can effectively reduce work piece 4 and appear warping in the course of working, has improved the quality of work piece 4. The utility model discloses satisfy drawing and dimensional requirement, also shortened the clamping time simultaneously, production efficiency has also improved a lot.
The utility model provides a "a number", "two" etc. are only in order to distinguish the name of different parts, do not represent its specification, do not represent its installation sequence yet.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims (7)

1. The cylindrical thin-walled workpiece machining clamp is characterized by comprising an external clamping assembly (1), an internal clamping assembly (2) and a four-axis connecting disc (3) connected with a rotating shaft of a machine tool;
the external clamping assembly (1) comprises a first positioning block (11) connected with a four-axis connecting disc (3), the first positioning block (11) surrounds the middle of one side of a workpiece (4), a second positioning block (12) surrounds the middle of the other side of the workpiece (4), the second positioning block (12) and the first positioning block (11) are buckled together to surround the workpiece (4), one end of the second positioning block (12) is hinged to the first positioning block (11), a plurality of locking screws (13) are installed at the other end of the second positioning block (12), the second positioning block (12) is connected with the first positioning block (11) through the locking screws (13), and a plurality of first fixing screws (14) used for fixing the workpiece (4) are installed on the first positioning block (11) and the second positioning block (12);
the internal clamping component (2) comprises a third positioning block (21) positioned in the inner cavity of the workpiece (4) and a second fixing screw (22) arranged on the third positioning block (21), and the screw end of the second fixing screw (22) is attached to the inner side wall of the workpiece (4);
an annular clamping groove is formed in the middle of the outer wall of the workpiece (4), the first positioning block (11) and the second positioning block (12) are located in the annular clamping groove of the workpiece (4), and the height of the first positioning block (11) is equal to that of the annular clamping groove.
2. The cylindrical thin-walled part machining clamp according to claim 1, wherein the first positioning block (11) and the second positioning block (12) are hinged through a hinge.
3. A cylindrical thin-walled member-machining jig according to claim 2, characterized in that the section of the third positioning block (21) is i-shaped.
4. The cylindrical thin-walled workpiece machining clamp according to claim 3, wherein the screw end of the second fixing screw (22) passes through the third positioning block (21) and then is attached to the inner side wall of the workpiece (4).
5. A cylindrical thin-walled workpiece machining fixture according to claim 4, characterized in that a groove is formed at the screw end of the second fixing screw (22), a spring is installed in the groove, the outer end of the spring is connected with a ball, and the ball is attached to the inner side wall of the workpiece (4).
6. A tubular thin-walled member-machining jig according to claim 5, characterized in that the height of the second positioning block (12) is smaller than the height of the first positioning block (11).
7. The cylindrical thin-walled part machining clamp according to claim 6, characterized in that a side, facing the first locating block (11), of the four-axis connecting disc (3) is provided with a fourth locating block (5), and the first locating block (11) is provided with a locating groove matched with the fourth locating block (5).
CN202123095695.0U 2021-12-10 2021-12-10 Cylindrical thin-wall part machining clamp Active CN217045584U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123095695.0U CN217045584U (en) 2021-12-10 2021-12-10 Cylindrical thin-wall part machining clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123095695.0U CN217045584U (en) 2021-12-10 2021-12-10 Cylindrical thin-wall part machining clamp

Publications (1)

Publication Number Publication Date
CN217045584U true CN217045584U (en) 2022-07-26

Family

ID=82478158

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123095695.0U Active CN217045584U (en) 2021-12-10 2021-12-10 Cylindrical thin-wall part machining clamp

Country Status (1)

Country Link
CN (1) CN217045584U (en)

Similar Documents

Publication Publication Date Title
CN108480923B (en) Method for precisely machining large thin-wall revolving body part
CN102328216A (en) Fixture for excircle finish turning and fixture processing method
CN106541290A (en) A kind of jig of the circumferential registration for thin-wall part processing
CN104690582A (en) Valve body lathe clamp
CN217045584U (en) Cylindrical thin-wall part machining clamp
CN110039261B (en) Machining method of bow-shaped part
CN112192161A (en) Machining method for shaft boss shell parts
CN211708192U (en) Equal-division milling machine for pipe barrel parts
CN110000579B (en) Special clamp for batch numerical control machining of centrifugal impellers with non-through holes in centers and mounting method
CN112059674A (en) Adjustable thin-wall shell vibration damping clamping device and operation method
CN110614513A (en) Processing frock of waist type hole and drilling through-hole are milled to coupling
CN104690581A (en) Valve body turning method
CN213135844U (en) Clamp for step shaft structure and machine tool
CN210306765U (en) Drilling chuck
CN214024693U (en) Machining clamp for screw rod supporting seat
CN217194017U (en) Cylinder sleeve end face hole machining and positioning tool
CN213496746U (en) Adjustable universal milling device with inner cavity for positioning
CN211840281U (en) Rotary type porous drilling machine fixture for thin-wall sleeve part
CN214292608U (en) Clamp for five-axis grinding machine
CN216263657U (en) Thin-wall circular workpiece upper notch hole machining clamp
CN215280021U (en) Milling machine fixture for arc-shaped step profile of ring assembly
CN210173300U (en) Special fixture for electric spindle internal grinding head
CN212444761U (en) Honing clamping device of thin-wall type workpiece
CN212371655U (en) Pressure seat adds clamping apparatus
CN217290751U (en) Spiral bevel gear clamping fixture with aligning function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant