CN211564628U - Tricone bit leg milling hole anchor clamps - Google Patents
Tricone bit leg milling hole anchor clamps Download PDFInfo
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- CN211564628U CN211564628U CN201922373974.5U CN201922373974U CN211564628U CN 211564628 U CN211564628 U CN 211564628U CN 201922373974 U CN201922373974 U CN 201922373974U CN 211564628 U CN211564628 U CN 211564628U
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- bit leg
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Abstract
The utility model provides a tricone bit leg milling hole anchor clamps, includes framework and clamping device, and the framework includes framework main part, first backing plate, second backing plate, backup pad, bracing piece and bottom plate, and clamping device includes cylinder and top, and the framework main part passes through the bottom plate and installs on the lathe, for other parts provide the assembly space, and first backing plate, second backing plate, cylinder and top are used for realizing clamping and location to the leg, and bracing piece and backup pad are used for strengthening framework intensity, prevent that anchor clamps during operation from warping. The utility model discloses a two sides one round pin locate mode location gripper, compress tightly gripper skirt section step through the top, can make gripper location completely and press from both sides tightly to the processing of not unidimensional gripper milling center fumarole can be realized to the backing plate of changing different pinhole positions and the top of different length through the adjustment, both satisfied size and required precision, make things convenient for on-the-spot workman to process the use again.
Description
Technical Field
The utility model relates to an anchor clamps, concretely relates to hole milling anchor clamps that are used for three roller bit palm center fumarole.
Background
When the tricone bit drills a soft stratum, soft mud can be blocked at the throat part of the cone, so that the phenomena of rotation and footage of the cone are blocked, a central jet hole needs to be processed at the throat part of the cone, high-pressure gas is jetted through the central jet hole, the soft mud blocked at the throat part of the cone is jetted out along with the high-pressure gas, and the purpose of cleaning the throat part of the cone is achieved. The central air injection hole is positioned at the intersection of 120-degree surfaces of the three bit legs after the three bit legs are assembled and welded.
In-process when actually processing bit leg center fumarole, because the product specification is different, required bit leg positioning fixture is also different, need loosen change anchor clamps and adjusting position with anchor clamps from the workstation, again in batches drill. Therefore, the operation is complicated, the requirement of industrial production cannot be fully met, and when the air holes are machined in the palm of the teeth with different specifications by using the conventional clamping mode, the clamps with different specifications need to be used, so that the utilization rate of the clamps is low, and the production cost is high.
Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.
Disclosure of Invention
The utility model aims at providing a tricone bit leg milling hole anchor clamps.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a tricone bit leg hole milling clamp comprises a frame body and a clamping device, wherein the frame body is installed on a machine tool, and the clamping device is installed inside the frame body;
the frame body comprises a frame body main body, a first base plate, a second base plate, a supporting rod and a bottom plate; the frame body is provided with a first base plate, a second base plate, a supporting rod, a bottom plate and a mounting hole of a clamping device, the projection of the frame body on an XZ plane is an open ring, the opening is opened outwards, the opening side space is used for feeding, the inner side of one end of the opening of the open ring is a first base plate mounting part, the first base plate is connected with the first base plate mounting part in a detachable mode, the inner side of the other end of the opening of the open ring is a second base plate mounting part, and the second base plate is connected with the second base plate mounting part in a detachable mode;
the planes of the first base plate and the second base plate are vertical to the XZ plane and are respectively contacted with the positioning reference surfaces at two sides of the bit leg for positioning the bit leg;
at least one of the two backing plates is provided with a pin hole, the pin hole is matched with the bit leg positioning hole through a positioning pin, and the axis of the positioning pin is arranged on an XZ plane;
the supporting plate and the supporting rod are arranged on the opening side of the frame body along the Z-axis direction, the supporting plate is arranged on the outer side of the opening, and the supporting rod is arranged between the upper end and the lower end of the opening;
the clamping device is installed inside the frame body and comprises an air cylinder and a top head, a piston rod of the air cylinder moves along the X-axis direction, the top head is fixedly connected with the front end of the piston rod of the air cylinder in a detachable mode, and the front end of the top head is in step contact with a skirt portion of the gripper jaw and used for positioning the gripper jaw.
The relevant content in the above technical solution is explained as follows:
1. in the scheme, included angles between the first base plate, the second base plate and the positioning reference surfaces on the two sides of the bit leg and the XY plane are all 120 degrees.
2. In the above scheme, the first pad plate and the second pad plate simultaneously limit the rotation of the bit leg around the X axis, the rotation around the Y axis, and the rotation around the Z axis.
3. In the scheme, the positioning pin limits the displacement of the bit leg along the Y axis and the displacement of the bit leg along the Z axis.
4. In the scheme, the ejector head is matched with the first base plate and the second base plate to limit the displacement of the bit leg along the X axis.
5. In the above scheme, the frame body is fixed on the machine tool through the bottom plate, the frame body is provided with a plurality of threaded holes, and the frame body and each component are connected in a threaded manner.
6. In the scheme, the first base plate or the second base plate with the pin holes can be selected according to the bit legs with different specifications, the pin holes are different in position and matched with the bit legs with different specifications, and the processed bit legs are guaranteed to be firmly clamped on the clamp.
7. In the scheme, the ejector head can be selected according to the bit legs with different specifications, is different in length and is matched with the bit legs with different specifications, and the firm clamping of the processed bit leg on the clamp is ensured.
8. Among the above-mentioned scheme, backup pad and bracing piece are used for strengthening the framework intensity, prevent framework clamping in-process deformation, and the bracing piece is installed between both ends about the opening in order to avoid the cutter route of feeding.
The utility model discloses a theory of operation and advantage as follows:
the utility model relates to a tricone bit leg milling holes anchor clamps, including framework and clamping device, the framework includes the framework main part, first backing plate, the second backing plate, a supporting plate, bracing piece and bottom plate, clamping device includes cylinder and top, the framework main part passes through the bottom plate mounting on the lathe, for other parts provide the assembly space, first backing plate, the second backing plate, cylinder and top are used for realizing clamping and the location to the leg, and come the leg of the different specifications of clamping through the setting of the backing plate of changing different pinhole positions and the top of different length, bracing piece and backup pad are used for strengthening framework intensity, prevent that anchor clamps during operation from warping.
Compared with the prior art, the utility model has the advantages of it is following:
the clamping is firm, the bit leg is positioned in a positioning mode of one pin on two sides, and the step on the skirt portion of the bit leg is tightly pressed by the aid of the ejector head of the air cylinder, so that the bit leg can be fully positioned and clamped.
The clamping device has the advantages that the universality is good, clamping of the bit legs of different specifications can be realized by replacing the base plates at different pin hole positions and the ejector heads of different lengths, no additional clamp is required to be manufactured, the utilization rate of the clamp is high, the cost is reduced, and the profit is improved.
Thirdly, the structure is reliable, and through the cooperation of backup pad and bracing piece, increase anchor clamps intensity, prevent that the framework from warping, improved the machining precision.
Drawings
FIG. 1 is a schematic view of a bit leg of the present invention;
FIG. 2 is an assembly view of the present invention;
FIG. 3 is a perspective view of the frame body of the present invention;
FIG. 4 is a perspective view of the frame body of the present invention;
FIG. 5 is a front view of the present invention;
FIG. 6 is a perspective view of the first pad plate of the present invention;
FIG. 7 is a perspective view of a second pad plate according to the present invention;
in the above drawings: 1. a frame body; 2. a base plate; 3. a cylinder; 4. ejecting the head; 5. a first pad mounting portion; 6. a first backing plate; 7. a bit leg; 8. a support plate; 9. a second backing plate; 10. a second pad mounting portion; 11. a pin hole; 12. a support bar; 13. positioning pins; 14. a frame body; 15. and (4) a clamping device.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example (b): the present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the disclosure may be shown and described, and which, when modified and varied by the techniques taught herein, can be made by those skilled in the art without departing from the spirit and scope of the disclosure.
As used herein, "connected" or "positioned" refers to two or more elements or devices being in direct physical contact with each other or in indirect physical contact with each other, and may also refer to two or more elements or devices being in operation or acting on each other.
As used herein, the terms "comprising," "including," "having," and the like are open-ended terms that mean including, but not limited to.
As used herein, the term (terms), unless otherwise indicated, shall generally have the ordinary meaning as commonly understood by one of ordinary skill in the art, in this written description and in the claims. Certain words used to describe the disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the disclosure.
Referring to fig. 1-7, the tricone bit leg hole milling fixture comprises a frame 14 and a clamping device 15, wherein the frame 14 is installed on a machine tool, and the clamping device 15 is installed inside the frame.
Fig. 2 is a schematic view of the assembly of the frame 14 and the clamping device 15.
The clamping device 15 is a moving assembly composed of the cylinder 3 and the top 4, and can also be a moving assembly composed of the cylinder 3 and the rotating arm or other moving assemblies such as the hydraulic cylinder and the four-bar mechanism, the hydraulic cylinder and the top 4.
The frame body 14 comprises a frame body 1, a first base plate 6, a second base plate 9, a support plate 8, a support rod 12 and a bottom plate 2; the frame body 1 is provided with threaded holes for mounting a first base plate 6, a second base plate 9, a support plate 8, a support rod 12, a cylinder 3 and a bottom plate 2, the projection of the frame body 1 on an XZ plane is an open ring, the opening is opened outwards, the opening side space is used for feeding, the inner sides of the upper end and the lower end of the opening are respectively a first base plate mounting part 5 and a second base plate mounting part 10, the first base plate mounting part 5 and the second base plate mounting part 10 are inclined planes, the included angles between the inclined planes and the XY plane are 120 degrees, the frame body 1 is arranged above the bottom plate 2, and the two are in threaded connection; the bottom plate 2 is arranged between the frame body 1 and a machine tool, is fixed on the machine tool through a pressing block and is in threaded connection with the frame body 1; the first base plate 6 is connected with the first base plate mounting part 5 through threads, and the first base plate 6 can be detached; the second cushion plate 9 is connected with the second cushion plate mounting part 10 through threads, and the second cushion plate 9 can be detached; the surfaces of the first backing plate 6 and the second backing plate 9 are used as abutting surfaces, and the two abutting surfaces form a V-shaped included angle; the support plate 8 and the support rod 12 are installed at an opening of the frame body 1 through threaded connection.
Preferably, as shown in fig. 3, the support rod 12 is disposed between the upper end and the lower end of the opening, and is disposed near the pin hole 11 along the Z-axis direction, the upper end of the support rod 12 is connected to the upper end of the opening by a screw thread in the Z-axis direction, the lower end of the support rod 12 is connected to the lower end of the opening by a screw thread in the Z-axis direction, the support plate 8 is disposed outside the opening of the frame body 1 and is disposed along the Z-axis direction, the upper end of the support plate 8 is connected to the upper end of the opening by a screw thread in the X-axis direction, and the lower end of the support plate 8 is connected to the; the supporting plate 8 and the supporting rod 12 may be other supporting members and may be disposed in other positions in the frame 14 that do not interfere with the tool.
The first base plate 6 and the second base plate 9 are respectively contacted with the upper and lower positioning reference surfaces of the bit leg 7, the contact surfaces are 120 degrees, and the first base plate 6 and the second base plate 9 simultaneously limit the rotation of the bit leg 7 around an X axis, the rotation around a Y axis and the rotation around a Z axis.
Preferably, as shown in fig. 4, a pin hole 11 is formed in the first pad 6, the first pad 6 with a corresponding specification is selected according to the specification of the bit leg 7, the pin hole 11 is matched with a positioning hole of the bit leg 7 through a positioning pin 13, the positioning pin 13 simultaneously limits the displacement of the bit leg 7 along the Y axis and the displacement along the Z axis, and the bit leg 7 can be supported by the reaction force of the positioning pin 13 acting on the bit leg 7 during assembly, so that clamping is facilitated; the pin hole 11 may be arranged on the second pad 9, and is matched with the positioning hole of the bit leg 7 clamped reversely through the positioning pin 13, but the assembly convenience is not as good as that of the scheme that the pin hole 11 is arranged on the first pad 6.
As shown in fig. 5, the clamping device 15 includes a cylinder 3 and a plug 4, the cylinder 3 is disposed on the inner wall of the frame body 1 opposite to the opening, the cylinder 3 is provided with a screw thread at the front end of the piston rod for mounting the plug 4, the plug 4 is detachable, the front end of the plug 4 contacts with the skirt step of the bit leg 7, and the plug is matched with the first pad 6 and the second pad 9 to limit the displacement of the bit leg 7 along the X axis.
Now, the working principle of the present invention is explained as follows:
during the use, at first, according to the 7 specifications of the bit leg that need processing choose for use corresponding first backing plate 6 and top 4, fix framework main part 1 on the lathe through bottom plate 2, then fix cylinder 3, first backing plate 6 and second backing plate 9 with the screw in framework main part 1 is inside, install top 4 to the cylinder 3 piston rod top, put into locating pin 13, put bit leg 7 into the clamping space that the framework formed, make bit leg 7 locating hole and first backing plate 6 pinhole align, and drive cylinder 3 and make top 4 paste tight bit leg 7 skirt portion step, install bracing piece 12 and backup pad 8 at framework main part 1 breach side at last, can begin to mill the hole.
When the bit leg 7 of different specifications is processed, only need to change first backing plate 6 and top 4, install locating pin 13 again, drive actuating cylinder 3, can begin the milling hole.
Compared with the prior art, the utility model discloses following advantage:
the clamping is firm, the bit leg 7 is positioned in a positioning mode of one pin on two sides, and the step on the skirt portion of the bit leg 7 is tightly pressed by matching with the ejector head 4 of the air cylinder 3, so that the bit leg 7 can be fully positioned and clamped.
Secondly, the universality is good, the clamping of the bit legs 7 with different specifications can be realized by replacing the base plates at the positions of different pin holes 11 and the ejector heads 4 with different lengths, the utilization rate of the clamp is high, the cost is reduced, and the profit is improved.
Thirdly, the structure is reliable, the strength of the clamp on the X axis and the Z axis is enhanced through the matching of the supporting plate 8 and the supporting rod 12, the deformation of the frame body 14 is prevented, and the processing precision is improved.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a tricone bit leg milling hole anchor clamps which characterized in that: comprises a frame body (14) and a clamping device (15);
the frame body (14) comprises a frame body (1), a first cushion plate (6) and a second cushion plate (9); the frame body (1) is of an open-loop structure, a feed space is provided at the opening of the frame body, a first base plate mounting part (5) is arranged on the inner side of one end of the opening of the open loop, the first base plate (6) is connected with the first base plate mounting part (5) in a detachable mode, a second base plate mounting part (10) is arranged on the inner side of the other end of the opening of the open loop, the second base plate (9) is connected with the second base plate mounting part (10) in a detachable mode, the surfaces of the first base plate (6) and the second base plate (9) are used as abutting surfaces, the two abutting surfaces form a V-shaped included angle, the two abutting surfaces are respectively abutted to positioning reference surfaces on two sides of the tooth palm (7) and are used for positioning the tooth palm (7), and the rotation of the tooth palm (7) around an X axis, the rotation around a Y axis;
at least one of the first base plate (6) and the second base plate (9) is provided with a pin hole (11), a positioning pin (13) is arranged in the pin hole (11), and the head of the positioning pin (13) is matched with a positioning hole on the bit leg (7) and used for simultaneously limiting the displacement of the bit leg (7) along the Y-axis direction and the displacement along the Z-axis direction;
clamping device (15) include cylinder (3) and top (4), frame body (1) opening offside inner wall is located in cylinder (3), top (4) and cylinder (3) piston rod front end are in order can the dismantlement mode fixed connection, and top (4) front end is laminated with the skirt section step of gripper (7) mutually, cooperates first backing plate (6) and second backing plate (9) to limit gripper (7) along the displacement of X axle direction.
2. The clamp of claim 1, wherein: the frame body (14) further comprises a support plate (8) and a support rod (12), wherein the support plate and the support rod are arranged at the opening and are arranged along the Z-axis direction.
3. The clamp of claim 2, wherein: the frame body (14) further comprises a bottom plate (2), the bottom plate (2) is arranged between the frame body (1) and a machine tool, is fixed on the machine tool through a pressing block and is in threaded connection with the frame body (1).
4. The clamp of claim 3, wherein: the frame body (1) is provided with threaded holes for mounting a first base plate (6), a second base plate (9), a support plate (8), a support rod (12), a cylinder (3) and a bottom plate (2).
5. The clamp of claim 1, wherein: the first base plate (6) and the positioning reference surface on one side of the bit leg (7) are both 120-degree inclined surfaces, and the second base plate (9) and the positioning reference surface on the other side of the bit leg (7) are both 120-degree inclined surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922373974.5U CN211564628U (en) | 2019-12-26 | 2019-12-26 | Tricone bit leg milling hole anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922373974.5U CN211564628U (en) | 2019-12-26 | 2019-12-26 | Tricone bit leg milling hole anchor clamps |
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| Publication Number | Publication Date |
|---|---|
| CN211564628U true CN211564628U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922373974.5U Active CN211564628U (en) | 2019-12-26 | 2019-12-26 | Tricone bit leg milling hole anchor clamps |
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| CN (1) | CN211564628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112589481A (en) * | 2020-12-24 | 2021-04-02 | 长沙黑金刚实业有限公司 | Clamp for milling inclined surface of tooth claw body |
-
2019
- 2019-12-26 CN CN201922373974.5U patent/CN211564628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112589481A (en) * | 2020-12-24 | 2021-04-02 | 长沙黑金刚实业有限公司 | Clamp for milling inclined surface of tooth claw body |
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