CN114536055A - Special-shaped casting inclined hole drilling clamp - Google Patents
Special-shaped casting inclined hole drilling clamp Download PDFInfo
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- CN114536055A CN114536055A CN202210311261.XA CN202210311261A CN114536055A CN 114536055 A CN114536055 A CN 114536055A CN 202210311261 A CN202210311261 A CN 202210311261A CN 114536055 A CN114536055 A CN 114536055A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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Abstract
The invention relates to the field of drilling fixtures, in particular to a special-shaped casting inclined hole drilling fixture which comprises a bearing plate, a sliding plate, a ball body and a drawing-in assembly, wherein the bearing plate is arranged on the sliding plate; the pulling-close assembly comprises a rotating block and a pull rope; the sliding plate is arranged on the groove wall of the sliding groove in a sliding mode, a vertical plate is arranged at the top of the sliding plate, and a clamping assembly is arranged on the end face, facing the special-shaped casting, of the vertical plate; the ball body is rotatably arranged in the spherical groove, and the ball body is provided with a positioning rod; the bottom of the bearing plate is provided with a U-shaped frame a and a U-shaped frame b in a crossed manner; two ends of the pull rope are respectively connected with the two groups of sliding plates; the two groups of the pulling-up assemblies are respectively and rotatably connected with the bottom of the bearing plate and the inner wall of the bottom of the U-shaped frame b; the top and the bottom of the U-shaped frame a are respectively provided with a power assembly for driving the two groups of rotating blocks to rotate; the bearing plate is provided with a control system. According to the invention, only one positioning hole or functional hole of the special-shaped casting is needed to be used for completing pre-positioning, so that the special-shaped casting can be clamped from four sides in one step subsequently, and the fixture has strong universality.
Description
Technical Field
The invention relates to the field of drilling fixtures, in particular to a special-shaped casting inclined hole drilling fixture.
Background
The special-shaped casting brings great trouble to the processing and drilling work, the clamping firmness and the stability of the special-shaped casting directly result in the processing precision of the inclined hole, and the quality of the product can be seriously influenced if the inclined hole processing cannot meet the quality requirement. The existing special-shaped casting clamp is specially designed for a certain casting, and one casting needs one clamp, so that the cost is high.
Chinese patent with publication number CN111098167A discloses high accuracy new energy automobile dysmorphism foundry goods bores inclined hole anchor clamps, through the bottom plate, the backplate, the locating template, the locating hole, the sample hole, hold the chamber, the threaded rod, the thread bush, the connecting rod, the push rod, splint, the cooperation of dead lever and carousel is used, can make things convenient for quick location and the clamping of carrying out the heterotypic foundry goods, improve the fastness and the stability of the processing of foundry goods inclined hole behind the clamping, thereby improve foundry goods inclined hole machining accuracy, very big improvement machining efficiency.
However, the above-mentioned known solutions have the following disadvantages: because locating hole and appearance hole position are fixed, and the foundry goods need put in holding the intracavity and fix through the apron at top, the notes can only be applicable to one kind or several kinds of similar dysmorphism foundry goods, and the commonality of anchor clamps is relatively poor, is difficult to be applicable to most special-shaped foundry goods.
Disclosure of Invention
The invention aims to provide a clamp for drilling inclined holes, which is suitable for most of special castings with different shapes and sizes, aiming at the problems in the background technology.
On one hand, the invention provides an inclined hole drilling clamp for a special-shaped casting, which comprises a bearing plate, a sliding plate, a ball body and a drawing-in assembly; the pulling-close assembly comprises a rotating block and a pull rope;
the middle position of the bearing plate is provided with a spherical groove, and four groups of sliding chutes are uniformly arranged on the bearing plate along the circumferential direction of the spherical groove; the sliding plates are arranged on the wall of the sliding groove in a sliding mode along the length direction of the sliding groove, the top of each sliding plate is provided with a vertical plate, a clamping assembly is arranged on the end face, facing the special-shaped casting, of each vertical plate, the bottom of each sliding plate is located below the bearing plate, and the four groups of sliding plates comprise two groups which are opposite in the transverse direction and two groups which are opposite in the longitudinal direction; the ball body is arranged in the spherical groove in a matching and rotating mode, the top of the ball body is located above the bearing plate, the ball body is provided with a positioning rod, the top of the positioning rod is provided with a guide cone, and the bearing plate is provided with a limiting assembly for limiting the rotation of the ball body;
the bottom of the bearing plate is provided with a U-shaped frame a and a U-shaped frame b in a crossed mode, and the U-shaped frame a penetrates through the U-shaped frame b and is located above the U-shaped frame b; the turning block is provided with strip-shaped grooves a, and the strip-shaped grooves a are formed in the end surfaces of the two sides, facing the two groups of sliding plates, of the turning block; two ends of the pull rope are respectively connected with the opposite end surfaces of the two groups of sliding plates, and the pull rope penetrates through the strip-shaped groove a; the two groups of the drawing assemblies are arranged, the rotating blocks in the upper drawing assembly are rotatably connected with the bottom of the bearing plate, and the rotating blocks in the lower drawing assembly are rotatably connected with the inner wall of the bottom of the U-shaped frame b; the top and the bottom of the U-shaped frame a are respectively provided with a power assembly for driving the two groups of rotating blocks to rotate; the bearing plate is provided with a control system.
Preferably, the clamping assembly comprises a cylinder body, a supporting block a, a spring, a supporting column and a clamping plate; the cylinder body is horizontally arranged on the vertical plate; the supporting block a is arranged on the vertical plate and positioned in the cylinder body, and a pressure sensor is arranged on the end face of the supporting block a, which is back to the vertical plate; the spring is arranged on the vertical plate, the spring is positioned in the cylinder body, and the supporting block a and the pressure sensor are both positioned in the spring; the support column slides along the barrel axis direction and is arranged on the inner peripheral wall of the barrel, one end of the support column inserted into the barrel is connected with the spring, and the clamping plate is arranged at the other end of the support column.
Preferably, two groups of symmetrical support plates a are arranged on the peripheral wall of the support column; a support rod a is rotatably arranged between the two groups of support plates a, and a support block b is arranged on the support rod a; the clamping plate is arranged on the supporting block b.
Preferably, the limiting assembly comprises a fitting plate, an electric push rod and a supporting block c; a through hole is vertically formed in the bottom of the spherical groove, an opening is formed in the lower end face of the bearing plate through the through hole, a strip-shaped groove b is formed in the lower end face of the bearing plate, and the strip-shaped groove b is communicated with the through hole; the electric push rod is horizontally arranged on the groove wall of the strip-shaped groove b, the telescopic end of the electric push rod is connected with the supporting block c, the supporting block c is in sliding connection with the groove wall of the strip-shaped groove b, the upper end face of the supporting block c is attached to the attaching plate, the end face of the supporting block c, back to the electric push rod, is an inclined face, and the inclined face is farther and farther away from the electric push rod from top to bottom; the attaching plate is arranged on the wall of the through hole in a sliding mode along the vertical direction, and the upper end face of the attaching plate is attached to the outer peripheral face of the ball body.
Preferably, the support shaft is vertically and rotatably arranged on the groove wall of the strip-shaped groove a, the roller is arranged on the support shaft, and the pull rope penetrates through the plurality of groups of rollers.
Preferably, four groups of rollers are arranged, the four groups of rollers are distributed in a rectangular mode, and the four groups of rollers are distributed on two sides of the pull rope in pairs.
Preferably, the power assembly comprises a motor a, a rotating shaft a, a motor b and a rotating shaft b; the motor a and the motor b are respectively arranged at the top and the bottom of the U-shaped frame a; the rotating shaft a and the rotating shaft b are in transmission connection with output shafts of the motor a and the motor b respectively, and the rotating shaft a and the rotating shaft b are connected with the two groups of rotating blocks respectively.
On the other hand, the invention provides a clamping method of a special-shaped casting inclined hole drilling clamp, which comprises the following steps: s1, taking a positioning hole or a functional hole of the special-shaped casting, and inserting the positioning rod into the positioning hole or the functional hole of the special-shaped casting; s2, adjusting the angle of the sphere to enable the special-shaped casting to be in contact with the bearing plate, and finishing pre-positioning of the special-shaped casting; s3, the control system controls the motor a and the motor b to rotate, the rotating shaft a and the rotating shaft b drive the two groups of rotating blocks to rotate, and the rotating blocks drive the pull ropes to start winding and shortening, so that the two groups of opposite sliding plates are close to each other; s4, the clamp plate props against the special-shaped casting until the two groups of transversely opposite pressure sensors and the two groups of longitudinally opposite pressure sensors are pressed, and the motor a or the motor b stops working to finish clamping and fixing the special-shaped casting; and S5, drilling the special-shaped casting by externally arranging a single drilling device.
Compared with the prior art, the invention has the following beneficial technical effects: the method comprises the steps of taking a positioning hole or a functional hole of the special-shaped casting, inserting the positioning rod into the positioning hole or the functional hole of the special-shaped casting, adjusting the angle of a sphere, enabling the special-shaped casting to be in contact with a bearing plate, completing pre-positioning of the special-shaped casting, completing fixation of the sphere through a limiting assembly, preventing the sphere from rotating again, controlling a power assembly to work by a control system, respectively drawing two sets of vertical plates which are opposite transversely and longitudinally close to each other, clamping the special-shaped casting by a clamping assembly on the vertical plates from the periphery, and completing final fixation of the special-shaped casting. Only need take a locating hole or the function hole of special-shaped casting to accomplish prepositioning, follow-up be convenient for one step press from both sides tightly the special-shaped casting from the four sides, be convenient for be applicable to the special-shaped casting of different size shapes, the anchor clamps commonality is strong, helps reduction in production cost.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of FIG. 1;
FIG. 3 is a side cross-sectional view of FIG. 1;
FIG. 4 is an enlarged schematic view taken at A in FIG. 2;
FIG. 5 is an enlarged view of the point B in FIG. 3;
fig. 6 is an enlarged schematic view of the point C in fig. 3.
Reference numerals: 1. a bearing plate; 2. a chute; 3. a slide plate; 4. a vertical plate; 5. a barrel; 6. a supporting block a; 7. a pressure sensor; 8. a spring; 9. a support pillar; 10. a support plate a; 11. a support rod a; 12. a supporting block b; 13. a splint; 14. a sphere; 15. positioning a rod; 16. a guide cone; 17. a through hole; 18. attaching a plate; 19. a strip-shaped groove b; 20. an electric push rod; 21. a supporting block c; 22. rotating the block; 23. a strip-shaped groove a; 24. a roller; 25. pulling a rope; 26. a motor a; 27. a rotating shaft a; 28. a U-shaped frame a; 29. a U-shaped frame b; 30. a motor b; 31. the shaft b is rotated.
Detailed Description
Example one
The invention provides a special-shaped casting inclined hole drilling clamp which comprises a bearing plate 1, a sliding plate 3, a ball 14 and a drawing-in assembly; the pulling-in assembly comprises a rotating block 22 and a pull rope 25;
as shown in fig. 1 and 3, a spherical groove is arranged at the middle position of a bearing plate 1, and four groups of sliding chutes 2 are uniformly arranged on the bearing plate 1 along the circumferential direction of the spherical groove; the sliding plates 3 are arranged on the wall of the sliding groove 2 in a sliding mode along the length direction of the sliding groove 2, the top of each sliding plate 3 is provided with a vertical plate 4, a clamping assembly is arranged on the end face, facing the special-shaped casting, of each vertical plate 4, the bottom of each sliding plate 3 is located below the bearing plate 1, and the four groups of sliding plates 3 comprise two groups which are opposite in the transverse direction and two groups which are opposite in the longitudinal direction; the ball 14 is matched and rotatably arranged in the spherical groove, the top of the ball 14 is positioned above the bearing plate 1, the positioning rod 15 is arranged on the ball 14, the guide cone 16 is arranged at the top of the positioning rod 15, and the bearing plate 1 is provided with a limiting assembly for limiting the rotation of the ball 14.
As shown in fig. 3, the U-shaped frame a28 and the U-shaped frame b29 are arranged at the bottom of the bearing plate 1 in a crossing manner, and the U-shaped frame a28 passes through the U-shaped frame b29 and is located above the U-shaped frame b 29.
As shown in fig. 3 and 5, the turning block 22 is provided with a strip-shaped groove a23, and the strip-shaped groove a23 forms openings on both side end faces of the turning block 22 facing the two sets of sliding plates 3; two ends of the pull rope 25 are respectively connected with the opposite end surfaces of the two groups of sliding plates 3, and the pull rope 25 penetrates through the strip-shaped groove a 23; the two groups of the drawing-in assemblies are arranged, the rotating blocks 22 in the drawing-in assembly positioned above are rotatably connected with the bottom of the bearing plate 1, and the rotating blocks 22 in the drawing-in assembly positioned below are rotatably connected with the inner wall of the bottom of the U-shaped frame b 29; the top and the bottom of the U-shaped frame a28 are respectively provided with a power component for driving the two groups of rotating blocks 22 to rotate; the bearing plate 1 is provided with a control system, and the control system is in control connection with the limiting assembly and the power assembly.
In this embodiment, take a locating hole or functional hole of dysmorphism foundry goods, insert locating lever 15 in a locating hole or functional hole of dysmorphism foundry goods, the angle of adjustment spheroid 14, make special-shaped foundry goods and bearing plate 1 contact, accomplish the prepositioning of special-shaped foundry goods, accomplish the fixed of spheroid 14 through spacing subassembly, prevent that spheroid 14 from rotating again, control system control power component work, draw close horizontal and vertical two sets of relative risers 4 respectively, clamping component on riser 4 presss from both sides tightly the special-shaped foundry goods from all around, the final fixed of accomplishing special-shaped foundry goods. In this embodiment, only need take a locating hole or the function hole of special-shaped casting to accomplish prepositioning, follow-up be convenient for press from both sides tightly the special-shaped casting from the four sides one step, be convenient for be applicable to the special-shaped casting of different size shapes, the anchor clamps commonality is strong, helps reduction in production cost.
Example two
As shown in fig. 3 and 6, compared with the first embodiment, the clamp assembly for drilling the inclined hole in the special-shaped casting according to the present invention includes a cylinder 5, a supporting block a6, a spring 8, a supporting column 9 and a clamping plate 13; the cylinder 5 is horizontally arranged on the vertical plate 4; the supporting block a6 is arranged on the vertical plate 4, the supporting block a6 is positioned in the cylinder body 5, and the end face of the supporting block a6, which faces away from the vertical plate 4, is provided with the pressure sensor 7; the spring 8 is arranged on the vertical plate 4, the spring 8 is positioned in the cylinder body 5, and the supporting block a6 and the pressure sensor 7 are both positioned in the spring 8; the support column 9 is arranged on the inner peripheral wall of the cylinder 5 in a sliding manner along the axial direction of the cylinder 5, and one end of the support column 9 inserted into the cylinder 5 is connected with the spring 8. Two groups of symmetrical supporting plates a10 are arranged on the peripheral wall of the supporting column 9; a supporting rod a11 is rotatably arranged between the two groups of supporting plates a10, and a supporting block b12 is arranged on the supporting rod a 11; the clamping plate 13 is disposed on the supporting block b 12.
In this embodiment, drive splint 13 and press on special-shaped casting when riser 4 removes, splint 13 can make its increase and the area of contact of special-shaped casting by angle of adjustment by oneself, improves the centre gripping effect.
EXAMPLE III
As shown in fig. 2 and 4, compared with the first embodiment, the fixture for drilling inclined holes in a special-shaped casting according to the present invention includes a limiting assembly, a pressing plate 18, an electric push rod 20, and a supporting block c 21; a through hole 17 is vertically formed in the bottom of the spherical groove, an opening is formed in the lower end face of the bearing plate 1 through the through hole 17, a strip-shaped groove b19 is formed in the lower end face of the bearing plate 1, and the strip-shaped groove b19 is communicated with the through hole 17; the electric push rod 20 is horizontally arranged on the groove wall of the strip-shaped groove b19, the telescopic end of the electric push rod 20 is connected with the supporting block c21, the supporting block c21 is in sliding connection with the groove wall of the strip-shaped groove b19, the upper end face of the supporting block c21 is attached to the attaching plate 18, the end face, back to the electric push rod 20, of the supporting block c21 is an inclined face, and the inclined face is farther and farther away from the electric push rod 20 from top to bottom; the fitting plate 18 is arranged on the hole wall of the through hole 17 in a sliding mode along the vertical direction, and the upper end face of the fitting plate 18 is fitted with the outer peripheral face of the ball 14.
In this embodiment, when the electric push rod 20 pulls the supporting block c21 to move so that the upper surface of the supporting block c21 is separated from the bottom surface of the fitting plate 18, the fitting plate 18 is in contact with the inclined surface of the supporting block c21, at this time, the ball 14 can rotate, so that the angle of the positioning rod 15 is adjusted to be capable of being inserted into the positioning hole or the functional hole of the special-shaped casting, and then the electric push rod 20 pushes the supporting block c21 to move so that the upper end surface of the supporting block c21 is fitted with the lower end surface of the fitting plate 18, at this time, the fitting plate 18 abuts against the ball 14 to enable the ball 14 to be incapable of rotating, and the stability of the special-shaped casting can be ensured.
Example four
As shown in fig. 5, compared with the first embodiment, the jig for drilling an inclined hole in a special-shaped casting according to the present invention has a supporting shaft vertically and rotatably disposed on a groove wall of the strip-shaped groove a23, the supporting shaft is disposed with rollers 24, and the pulling rope 25 passes through between the sets of rollers 24. The rollers 24 are arranged in four groups, the four groups of rollers 24 are distributed in a rectangular shape, and the four groups of rollers 24 are distributed on two sides of the pull rope 25 in pairs. The resistance to movement of the pull cord 25 is reduced by the roller 24.
EXAMPLE five
As shown in fig. 3, compared with the first embodiment, the fixture for drilling the inclined hole in the special-shaped casting provided by the invention comprises a power assembly, a power assembly and a control assembly, wherein the power assembly comprises a motor a26, a rotating shaft a27, a motor b30 and a rotating shaft b 31; the motor a26 and the motor b30 are respectively arranged at the top and the bottom of the U-shaped frame a 28; the rotating shaft a27 and the rotating shaft b31 are in transmission connection with output shafts of the motor a26 and the motor b30 respectively, and the rotating shaft a27 and the rotating shaft b31 are connected with the two groups of rotating blocks 22 respectively. The motor a26 and the motor b30 can drive the two sets of rotating blocks 22 to rotate, thereby winding the shortening pulling rope 25 and enabling the two sets of sliding plates 3 to approach each other.
EXAMPLE six
The clamping method based on the embodiment of the special-shaped casting inclined hole drilling clamp comprises the following steps:
s1, taking a positioning hole or a functional hole of the special-shaped casting, and inserting the positioning rod 15 into the positioning hole or the functional hole of the special-shaped casting;
s2, adjusting the angle of the ball 14 to enable the special-shaped casting to be in contact with the bearing plate 1, and finishing pre-positioning of the special-shaped casting;
s3, the control system controls the motor a26 and the motor b30 to rotate, the rotating shaft a27 and the rotating shaft b31 drive the two groups of rotating blocks 22 to rotate, and the rotating blocks 22 drive the pull ropes 25 to start winding and shortening, so that the two groups of opposite sliding plates 3 are close to each other;
s4, the clamping plate 13 props against the special-shaped casting, and when the two groups of transversely opposite pressure sensors 7 and the two groups of longitudinally opposite pressure sensors 7 are pressed, the motor a26 or the motor b30 stops working, so that the special-shaped casting is clamped and fixed;
and S5, drilling the special-shaped casting by externally arranging a single drilling device.
In this embodiment, only need take a locating hole or the function hole of special-shaped casting to accomplish prepositioning, follow-up be convenient for press from both sides tightly the special-shaped casting from the four sides one step, be convenient for be applicable to the special-shaped casting of different size shapes, the anchor clamps commonality is strong, helps reduction in production cost.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. The clamp for drilling the inclined hole in the special-shaped casting is characterized by comprising a bearing plate (1), a sliding plate (3), a ball body (14) and a drawing-in assembly; the pulling-close assembly comprises a rotating block (22) and a pulling rope (25);
a spherical groove is arranged in the middle of the bearing plate (1), and four groups of sliding grooves (2) are uniformly arranged on the bearing plate (1) along the circumferential direction of the spherical groove; the sliding plates (3) are arranged on the groove wall of the sliding groove (2) in a sliding mode along the length direction of the sliding groove (2), the top of each sliding plate (3) is provided with a vertical plate (4), a clamping assembly is arranged on the end face, facing the special-shaped casting, of each vertical plate (4), the bottom of each sliding plate (3) is located below the bearing plate (1), and the four groups of sliding plates (3) comprise two groups which are opposite in the transverse direction and two groups which are opposite in the longitudinal direction; the ball body (14) is arranged in the spherical groove in a matched and rotating mode, the top of the ball body (14) is located above the bearing plate (1), the ball body (14) is provided with a positioning rod (15), the top of the positioning rod (15) is provided with a guide cone body (16), and the bearing plate (1) is provided with a limiting assembly for limiting the rotation of the ball body (14);
the bottom of the bearing plate (1) is provided with a U-shaped frame a (28) and a U-shaped frame b (29) in a crossed mode, and the U-shaped frame a (28) penetrates through the U-shaped frame b (29) and is located above the U-shaped frame b (29); the turning block (22) is provided with a strip-shaped groove a (23), and the strip-shaped groove a (23) is provided with openings on the end surfaces of the two sides of the turning block (22) facing the two groups of sliding plates (3); two ends of the pull rope (25) are respectively connected with the opposite end faces of the two groups of sliding plates (3), and the pull rope (25) penetrates through the strip-shaped groove a (23); the two groups of the drawing assemblies are arranged, the rotating blocks (22) in the drawing assembly positioned above are rotatably connected with the bottom of the bearing plate (1), and the rotating blocks (22) in the drawing assembly positioned below are rotatably connected with the inner wall of the bottom of the U-shaped frame b (29); the top and the bottom of the U-shaped frame a (28) are respectively provided with a power assembly for driving the two groups of rotating blocks (22) to rotate; the bearing plate (1) is provided with a control system.
2. The special-shaped casting inclined hole drilling clamp according to claim 1, wherein the clamping assembly comprises a cylinder body (5), a supporting block a (6), a spring (8), a supporting column (9) and a clamping plate (13); the cylinder body (5) is horizontally arranged on the vertical plate (4); the supporting block a (6) is arranged on the vertical plate (4), the supporting block a (6) is positioned in the cylinder body (5), and a pressure sensor (7) is arranged on the end face of the supporting block a (6) back to the vertical plate (4); the spring (8) is arranged on the vertical plate (4), the spring (8) is positioned in the cylinder body (5), and the supporting block a (6) and the pressure sensor (7) are both positioned in the spring (8); support column (9) slide along barrel (5) axis direction and set up on barrel (5) internal perisporium, and support column (9) insert the one end in barrel (5) and be connected with spring (8), and splint (13) set up on support column (9) other end.
3. The special-shaped casting inclined hole drilling clamp according to claim 2, characterized in that two groups of symmetrical support plates a (10) are arranged on the peripheral wall of the support column (9); a support rod a (11) is rotatably arranged between the two groups of support plates a (10), and a support block b (12) is arranged on the support rod a (11); the clamping plate (13) is arranged on the supporting block b (12).
4. The special-shaped casting inclined hole drilling clamp as claimed in claim 1, wherein the limiting assembly comprises an attaching plate (18), an electric push rod (20) and a supporting block c (21); a through hole (17) is vertically formed in the bottom of the spherical groove, an opening is formed in the lower end face of the bearing plate (1) through the through hole (17), a strip-shaped groove b (19) is formed in the lower end face of the bearing plate (1), and the strip-shaped groove b (19) is communicated with the through hole (17); the electric push rod (20) is horizontally arranged on the groove wall of the strip-shaped groove b (19), the telescopic end of the electric push rod (20) is connected with the supporting block c (21), the supporting block c (21) is in sliding connection with the groove wall of the strip-shaped groove b (19), the upper end face of the supporting block c (21) is attached to the attaching plate (18), the end face, back to the electric push rod (20), of the supporting block c (21) is an inclined face, and the inclined face is more and more far away from the electric push rod (20) from top to bottom; the attaching plate (18) is arranged on the wall of the through hole (17) in a sliding mode along the vertical direction, and the upper end face of the attaching plate (18) is attached to the outer peripheral face of the sphere (14).
5. The special-shaped casting inclined hole drilling clamp as claimed in claim 1, wherein a supporting shaft is vertically and rotatably arranged on the groove wall of the strip-shaped groove a (23), rollers (24) are arranged on the supporting shaft, and a pulling rope (25) penetrates through the plurality of groups of rollers (24).
6. The special-shaped casting inclined hole drilling clamp as claimed in claim 5, wherein four groups of rollers (24) are arranged, the four groups of rollers (24) are distributed in a rectangular shape, and the four groups of rollers (24) are distributed on two sides of the pull rope (25) in pairs.
7. The special-shaped casting inclined hole drilling clamp as claimed in claim 1, wherein the power assembly comprises a motor a (26), a rotating shaft a (27), a motor b (30) and a rotating shaft b (31); the motor a (26) and the motor b (30) are respectively arranged at the top and the bottom of the U-shaped frame a (28); the rotating shaft a (27) and the rotating shaft b (31) are in transmission connection with output shafts of the motor a (26) and the motor b (30) respectively, and the rotating shaft a (27) and the rotating shaft b (31) are connected with the two groups of rotating blocks (22) respectively.
8. The clamping method for the special-shaped casting inclined hole drilling clamp according to any one of claims 1 to 7, characterized by comprising the following steps of:
s1, taking a positioning hole or a functional hole of the special-shaped casting, and inserting the positioning rod (15) into the positioning hole or the functional hole of the special-shaped casting;
s2, adjusting the angle of the sphere (14) to enable the special-shaped casting to be in contact with the bearing plate (1) to complete pre-positioning of the special-shaped casting;
s3, the control system controls the motor a (26) and the motor b (30) to rotate, the rotating shaft a (27) and the rotating shaft b (31) drive the two groups of rotating blocks (22) to rotate, and the rotating blocks (22) drive the pull ropes (25) to start winding and shortening, so that the two groups of opposite sliding plates (3) are close to each other;
s4, the clamping plate (13) props against the special-shaped casting until the two groups of transversely opposite pressure sensors (7) and the two groups of longitudinally opposite pressure sensors (7) are pressed, and the motor a (26) or the motor b (30) stops working to complete clamping and fixing of the special-shaped casting;
and S5, drilling the special-shaped casting by externally arranging a single drilling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210311261.XA CN114536055B (en) | 2022-03-28 | 2022-03-28 | Special-shaped casting inclined hole drilling clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210311261.XA CN114536055B (en) | 2022-03-28 | 2022-03-28 | Special-shaped casting inclined hole drilling clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114536055A true CN114536055A (en) | 2022-05-27 |
| CN114536055B CN114536055B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210311261.XA Active CN114536055B (en) | 2022-03-28 | 2022-03-28 | Special-shaped casting inclined hole drilling clamp |
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| CN210024478U (en) * | 2019-03-21 | 2020-02-07 | 江苏宏隆铸业有限公司 | Drilling equipment for spherical casting |
| CN111098167A (en) * | 2020-03-12 | 2020-05-05 | 深圳市雄达鑫精密模具有限公司 | High-precision clamp for drilling inclined holes in special-shaped castings of new energy automobile |
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2022
- 2022-03-28 CN CN202210311261.XA patent/CN114536055B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108655774A (en) * | 2018-04-25 | 2018-10-16 | 西安飞机工业（集团）有限责任公司 | A kind of aircraft class titanium alloy component processing tool platform working method |
| CN208513689U (en) * | 2018-07-14 | 2019-02-19 | 芜湖大中机电制造有限公司 | A kind of boring positioning device of brake disc |
| CN210024478U (en) * | 2019-03-21 | 2020-02-07 | 江苏宏隆铸业有限公司 | Drilling equipment for spherical casting |
| CN110561213A (en) * | 2019-08-23 | 2019-12-13 | 山东科技大学 | Casting deburring device and working method thereof |
| CN111098167A (en) * | 2020-03-12 | 2020-05-05 | 深圳市雄达鑫精密模具有限公司 | High-precision clamp for drilling inclined holes in special-shaped castings of new energy automobile |
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| CN114536055B (en) | 2023-02-28 |
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