CN214350966U - Clamp for milling multi-face angle chute workpiece - Google Patents
Clamp for milling multi-face angle chute workpiece Download PDFInfo
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- CN214350966U CN214350966U CN202023092618.5U CN202023092618U CN214350966U CN 214350966 U CN214350966 U CN 214350966U CN 202023092618 U CN202023092618 U CN 202023092618U CN 214350966 U CN214350966 U CN 214350966U
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Abstract
The utility model discloses a clamp for milling a multi-surface angle chute workpiece, belonging to the technical field of mechanical processing of artillery parts; the utility model comprises a clamp body, a stud bolt, a pressing plate, a fastening nut and a positioning key; the clamp body is formed by welding a bottom plate, a left side plate, a right side plate, a three-dimensional plate and a round nut; the upper part of the longitudinal section of the angle plate is L-shaped, the short side of the L-shaped plate is a side reference surface A, the long side of the L-shaped plate is a lower reference surface B, the reference surface A and the reference surface B are mutually vertical, the angle between the reference surface B and the bottom plate is X degrees, the angle between the angle plate and the horizontal direction is Y degrees, and a complex structure can be machined on a common gantry mill; the workpiece can be inclined by 28 degrees in the horizontal direction and 35 degrees in the front-back direction at the same time in one-time installation; the requirements of the inclination of the chute of the workpiece in two directions of 35 degrees and 28 degrees can be simultaneously met, the workpiece can be machined by matching with an angle milling cutter in a horizontal cutting mode, the cutting is simple and convenient, and the requirements of angles in multiple directions on a drawing are met by one-time cutting.
Description
Technical Field
The utility model relates to a multiaspect angle chute work piece mills and uses anchor clamps belongs to artillery part machining technical field.
Background
A certain part in the artillery product is cubic in shape, and a square hole is formed in the middle of the part; a multi-surface-angle chute structure needs to be machined on the part, as shown in fig. 6-8, the angle between the chute and the horizontal direction is 28 degrees, the forward inclination angle of the chute bottom is 35 degrees, and the inclination angle between the two side surfaces of the chute and the chute bottom is 9 degrees; the grooves are angled in multiple directions, are complex in shape and are difficult to machine.
Because the parts are produced in large batch, the machining scheme adopts the side head of a common gantry milling machine and the angle milling cutter is installed for machining according to the production conditions and the existing equipment condition of a production workshop. However, it is difficult to secure the angle of the groove at 28 ° and 35 °; a special clamp is required to be designed, a workpiece is clamped in an inclined mode, and the workpiece can be accurately machined only by matching with a special angle milling cutter; how to design and manufacture a reasonable clamp, and the requirement of multiple angles of the part chute on a drawing is ensured, which is the key of milling of the chute.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multiaspect angle chute work piece mills and uses anchor clamps solves not enough that exists among the above-mentioned technique, is applicable to the auxiliary machining of multiaspect angle chute on certain part in the artillery product, installs the work piece on anchor clamps, and cooperation angle milling cutter can guarantee a plurality of direction angle requirements of chute on the work piece fast, presss from both sides tightly reliably, and processing is stable.
The utility model provides a technical scheme that its technical problem adopted is: a clamp for milling a workpiece with a multi-surface angle chute comprises a clamp body, a stud bolt, a pressing plate, a fastening nut and a positioning key; the clamp body is formed by welding a bottom plate, a left side plate, a right side plate, a three-dimensional plate and a round nut; the three degree plates are parallel to each other, the left side plate and the right side plate are respectively welded on the left side and the right side of the three degree plates and are vertical to the three degree plates, the bottom surfaces of the three degree plates, the left side plate and the right side plate are welded on the bottom plate, the upper part of the longitudinal section of each degree plate is L-shaped, the short edge of each L-shaped part is a side reference surface A, the long edge of each L-shaped part is a lower reference surface B, and the reference surfaces A and the reference surfaces B are vertical to each other and used for positioning a workpiece;
welding a round nut at the middle position of a middle plate of the three-dimensional plate, wherein the central line of the round nut is vertical to the reference plane B;
the side surface and the lower part of the workpiece can be attached to the reference surface A and the reference surface B, one end of the stud bolt is arranged in the round nut through a square hole in the middle of the workpiece, and the other end of the stud bolt is provided with a pressing plate and is screwed through a fastening nut;
the angle between the reference plane B and the bottom plate is X degrees, the angle between the angle plate and the horizontal direction is Y degrees, the angle between the specific reference plane B and the bottom plate is 28 degrees, and the angle between the angle plate and the horizontal direction is 35 degrees;
the left side plate and the right side plate are provided with hoisting holes, and the left side plate and the right side plate are respectively provided with two hoisting holes;
the bottom plate can be dismantled with the workstation and be connected, and specific bottom plate bottom surface both sides are provided with the slot and with the screw fastening navigation key in the slot, and two navigation key both sides are provided with respectively on the bottom plate and press from both sides tightly with the groove, and the tight groove of pressing from both sides of bottom plate can pass through T type groove bolt with the T type groove on the workstation with the bottom plate fastening on the workstation for the location of anchor clamps.
The utility model has the advantages that: the clamp is designed aiming at milling of a multi-surface angle chute structure in an artillery product part, is stable in clamping, and can be used for machining a complex structure (namely the multi-surface angle chute structure) on a common gantry mill; the workpiece can be inclined by 28 degrees in the horizontal direction and 35 degrees in the front-back direction at the same time in one-time installation; the requirements of the inclination of the chute of the workpiece in two directions of 35 degrees and 28 degrees can be simultaneously met, the workpiece can be machined by matching with an angle milling cutter in a horizontal cutting mode, the cutting is simple and convenient, and the requirements of angles in multiple directions on a drawing are met by one-time cutting. Is suitable for mass production of the parts.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Fig. 1 is a front view of the present invention.
FIG. 2 is a top view of the present invention
Fig. 3 is a view from direction a of fig. 2.
Fig. 4 is a cross-sectional view C-C of fig. 2.
Fig. 5 is a view from direction B of fig. 1.
Fig. 6 is a schematic view of a workpiece to be machined.
Fig. 7 is a cross-sectional view taken along line Z-Z of fig. 6.
Fig. 8 is a view from direction F of fig. 7.
Fig. 9 is a schematic view of an angle milling cutter used to machine the grooves.
Reference numerals in the figures
1. Angle milling cutter, 2, round nut, 3, stud, 4, the multiaspect angle chute of treating processing on the work piece, 5, lock nut, 6, clamp plate, 7, the work piece, 8, reference surface A, 9, reference surface B, 10, the board of degree, 11, bottom plate, 12, side reference surface, 13, left side board, 14, lower reference surface, 15, right side board, 16, workstation, 17, hole for hoist, 18, press from both sides tight groove, 19, navigation key, 20, screw, 21, T type groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 to 9, an embodiment of the present invention provides a milling fixture for a multi-surface angle chute workpiece, which includes a fixture body, a stud bolt 3, a pressing plate 6, a fastening nut 5, and a positioning key 19; the clamp body is formed by welding a bottom plate 11, a left side plate 13, a right side plate 15, a three-dimensional plate 10 and a round nut 2; the three-dimensional plates 10 are parallel to each other, the left side plate 13 and the right side plate 15 are respectively welded on the left side and the right side of the three-dimensional plates 10 and are vertical to the left side and the right side of the three-dimensional plates 10, the bottom surfaces of the three-dimensional plates 10, the left side plate 13 and the right side plate 15 are welded on the bottom plate 11, the upper part of the longitudinal section of each dimensional plate 10 is L-shaped, the short side of each L-shaped side is a side reference surface A8, the long side of each L-shaped side is a lower reference surface B9, and the reference surface A8 is vertical to the reference surface B9 and is used for positioning the workpiece 7;
welding a round nut 2 at the middle position of a middle plate 10 of the three-dimensional plate 10, wherein the center line of the round nut 2 is vertical to a reference plane B9;
the side surface and the lower part of the workpiece 7 can be abutted against a reference surface A8 and a reference surface B9, one end of the stud bolt 3 is installed in the round nut 2 through a square hole in the middle of the workpiece 7, and the other end of the stud bolt 3 is installed with the pressure plate 6 and is screwed through the fastening nut 5;
the angle between the reference plane B9 and the bottom plate 11 is X degrees, the angle between the angle plate 10 and the horizontal direction is Y degrees, preferably, the other side surface of the bottom plate 11, which is not the surface of the positioning key 19, is inwardly retracted a little, the retracted side is a side reference plane 12, the bottom surface of the bottom plate 11 is a lower reference plane 14, the side reference plane 12 is parallel to the side surfaces of the two positioning keys 19 and is vertical to the lower reference plane A14, and the side reference plane is the reference for fixture processing and measurement;
the reference plane B9 on the three-degree plate 10 is at an angle of 28 ° to the lower reference plane 14, and is used to mount the workpiece 7 at an inclination of 28 ° while keeping the chute 4 to be machined on the workpiece horizontal, so as to ensure that the chute 4 has a dimension of 28 ° relative to the workpiece 7;
the angle of reference plane A8 on three-degree plate 10 to side reference plane 12 is 125 ° for a 35 ° forward tilt mounting of workpiece 7 to ensure that chute 4 is 35 ° relative to workpiece 7;
the left side plate 13 and the right side plate 15 are provided with hoisting holes 17, and the left side plate 13 and the right side plate 15 are respectively provided with two hoisting holes 17;
the bottom plate 11 is detachably connected with the workbench 16, specifically, two sides of the bottom surface of the bottom plate 11 are provided with grooves, positioning keys 19 are fastened in the grooves by screws 20, two clamping grooves 18 are respectively arranged on two sides of the two positioning keys 19 on the bottom plate 11, the lower reference surface 14 of the bottom plate 11 is placed on the workbench 16 of the machine tool, the two positioning keys 19 are matched with T-shaped grooves 21 on the workbench 16, and after positioning, the clamping grooves 18 of the bottom plate 11 and the T-shaped grooves 21 on the workbench 16 fasten the bottom plate 11 on the workbench 16 through T-shaped groove bolts for positioning of a clamp.
The working process is as follows:
and (3) penetrating lifting ropes through four lifting holes 17 on the clamp, lifting, slowly falling to be close to the surface of the common gantry milling workbench, aligning two positioning keys 19 below the bottom plate to a T-shaped groove 21 on the workbench 16, dropping the lifting ropes, and placing the clamp on the workbench 16. Four T-groove bolts are arranged in the T-groove 21 on the workbench 16, and the clamp is fastened on the workbench 16 through the four clamping grooves 18 on the clamp;
the work 7 is hung on the leveling plate 10 of the jig body, and the clearance between both surfaces of the work 7 and the reference surfaces A8 and B9 is checked with a feeler gauge. One end of a stud bolt 3 is arranged in a round nut 2 through a square hole in the middle of a workpiece 7, a pressing plate 6 is arranged, a fastening nut 5 is arranged and screwed, and the workpiece is pressed tightly;
the angle milling cutter 1 is installed on a main shaft of a machine tool side head, the main shaft drives the angle milling cutter to rotate, the main shaft and a workbench are operated, the center of the angle milling cutter 1 is close to the left center line of a chute to be machined (the position of the chute is marked on a workpiece), transverse feeding is carried out, the angle milling cutter 1 starts to cut from the left side of the chute and horizontally cuts to the right side of the chute, and machining is finished.
Although the embodiments of the present invention are described above, the contents thereof are merely embodiments adopted to facilitate understanding of the technical aspects of the present invention, and are not intended to limit the present invention. Any person skilled in the art can make any modifications and changes in the form and details of the implementation without departing from the core technical solution disclosed in the present invention, but the scope of protection defined by the present invention must still be subject to the scope defined by the appended claims.
Claims (4)
1. The utility model provides a multiaspect angle chute anchor clamps for work piece mills which characterized in that: comprises a clamp body, a stud bolt (3), a pressure plate (6), a fastening nut (5) and a positioning key (19); the clamp body is formed by welding a bottom plate (11), a left side plate (13), a right side plate (15), a three-dimensional plate (10) and a round nut (2); the three-dimensional plate (10) is parallel to each other, the left side plate (13) and the right side plate (15) are respectively welded on the left side and the right side of the three-dimensional plate (10) and are vertical to the three-dimensional plate, the bottom surfaces of the three-dimensional plate (10), the left side plate (13) and the right side plate (15) are welded on the bottom plate (11), the upper part of the longitudinal section of the three-dimensional plate (10) is L-shaped, the L-shaped short side is a side reference surface A (8), the L-shaped long side is a lower reference surface B (9), and the reference surface A (8) is vertical to the reference surface B (9);
welding a round nut (2) at the middle position of a middle plate (10) of the three-dimensional plate (10), wherein the central line of the round nut (2) is vertical to a reference plane B (9);
the side surface and the lower part of the workpiece (7) are attached to a reference surface A (8) and a reference surface B (9), one end of the stud bolt (3) is installed in the round nut (2) through a square hole in the middle of the workpiece (7), and the other end of the stud bolt (3) is installed with a pressing plate (6) and is screwed through a fastening nut (5);
the angle between the reference plane B (9) and the bottom plate (11) is X degrees, and the angle between the angle plate (10) and the horizontal direction is Y degrees;
hoisting holes (17) are formed in the left side plate (13) and the right side plate (15);
the bottom plate (11) is detachably connected with the workbench (16).
2. The multi-face angle chute workpiece milling fixture as claimed in claim 1, wherein: the angle between the reference plane B (9) and the bottom plate (11) is 28 degrees, and the angle between the angle plate (10) and the horizontal direction is 35 degrees.
3. The multi-face angle chute workpiece milling fixture as claimed in claim 1, wherein: the bottom plate (11) is provided with grooves on two sides of the bottom surface, positioning keys (19) are fastened in the grooves through screws (20), clamping grooves (18) are respectively arranged on two sides of the two positioning keys (19) on the bottom plate (11), and the clamping grooves (18) of the bottom plate (11) and T-shaped grooves (21) on the workbench (16) can fasten the bottom plate (11) on the workbench (16) through T-shaped groove bolts.
4. The multi-face angle chute workpiece milling fixture as claimed in claim 1, wherein: and the left side plate (13) and the right side plate (15) are respectively provided with two hoisting holes (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023092618.5U CN214350966U (en) | 2020-12-21 | 2020-12-21 | Clamp for milling multi-face angle chute workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023092618.5U CN214350966U (en) | 2020-12-21 | 2020-12-21 | Clamp for milling multi-face angle chute workpiece |
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| Publication Number | Publication Date |
|---|---|
| CN214350966U true CN214350966U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023092618.5U Active CN214350966U (en) | 2020-12-21 | 2020-12-21 | Clamp for milling multi-face angle chute workpiece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977310A (en) * | 2021-11-12 | 2022-01-28 | 中航西安飞机工业集团股份有限公司 | Positioning fixture and process method for machining closed angle through three-coordinate numerical control milling |
-
2020
- 2020-12-21 CN CN202023092618.5U patent/CN214350966U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977310A (en) * | 2021-11-12 | 2022-01-28 | 中航西安飞机工业集团股份有限公司 | Positioning fixture and process method for machining closed angle through three-coordinate numerical control milling |
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