CN210702958U - Threaded hole machining tool - Google Patents
Threaded hole machining tool Download PDFInfo
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- CN210702958U CN210702958U CN201921721326.8U CN201921721326U CN210702958U CN 210702958 U CN210702958 U CN 210702958U CN 201921721326 U CN201921721326 U CN 201921721326U CN 210702958 U CN210702958 U CN 210702958U
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- threaded hole
- machining tool
- side supporting
- hole machining
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Abstract
The utility model relates to a screw hole processing frock, including bottom plate, collateral branch strut, spacing, clamp plate, shower nozzle, central support pole, be provided with a plurality of locating holes on the bottom plate, the collateral branch strut is the L type, along the length direction symmetry of work piece, evenly set up, the bottom detachably of collateral branch strut installs on the bottom plate, upper portion has the right angle breach and cooperates along the work piece border, spacing is located the locating pin hole below of work piece, be provided with the locating pin on the spacing, the shower nozzle is installed on blowing bits frame, it is the L type to blow bits frame, the shower nozzle passes through hose connection air compressor, and aims at the work piece waits to process screw thread department, central support pole is installed work piece center below, clamp plate one end is installed on the telescopic link of cylinder, and the columniform elastomer is installed to the other end. The utility model discloses a multi-point voltage-sharing's mode has overcome the deformation difficult problem of thin wall spare, simple structure, easy dismounting, and the machining precision is high.
Description
Technical Field
The utility model belongs to screw hole processing field, concretely relates to screw hole processing frock.
Background
The metal plate of the automobile audio chassis is provided with a plurality of mounting holes, the mounting holes need to be subjected to thread machining, and the conventional threaded hole machining tool is difficult to clamp a thin-wall metal plate and troublesome to disassemble and assemble; the locking force also easily causes the deformation of the workpiece, especially the central part of the workpiece, and the screw tap is also easily broken due to the obstruction of the chips during processing.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model solves the problems that the existing threaded hole processing tool is difficult to clamp the thin-wall sheet metal part and is troublesome to disassemble and assemble; the locking force also easily causes the deformation of the workpiece, especially the central part of the workpiece, and the screw tap is also easily broken due to the obstruction of the chips during processing.
The utility model adopts the following technical scheme: a threaded hole processing tool, which comprises a bottom plate, a side supporting frame, a limiting frame, a pressing plate, a spray head and a central supporting rod,
a plurality of positioning holes are arranged on the bottom plate,
the side supporting frames are L-shaped and are symmetrically and uniformly arranged along the length direction of the workpiece, the bottom parts of the side supporting frames are detachably arranged on the bottom plate, the upper parts of the side supporting frames are provided with right-angle notches matched with the edge of the workpiece,
the limiting frame is positioned below the positioning pin hole of the workpiece, a positioning pin is arranged on the limiting frame,
the spray head is arranged on the scrap blowing frame, the scrap blowing frame is L-shaped, the spray head is connected with an air compressor through a hose and is aligned to the position of the thread to be processed of the workpiece,
the central support rod is arranged below the center of the workpiece,
one end of the pressing plate is installed on the telescopic rod of the air cylinder, and the other end of the pressing plate is provided with a cylindrical elastic body.
Furthermore, the number of the side supporting frames is four, the side supporting frames are respectively positioned on two sides of the workpiece, and the number of the scrap blowing frames and the number of the spray heads are consistent with the number of the tapping rods.
Furthermore, T-shaped sliding grooves are formed in the bottoms of the side supporting frames, the limiting frames and the scrap blowing frame, are matched with bolts, and can adjust the relative position of the side supporting frames, the limiting frames and the scrap blowing frame.
Further, the central support rod is screwed on the support through threads, and the height of the central support rod can be adjusted.
Further, the locating pin head is conical.
Further, the material of the elastomer of the pressing plate is polyurethane PU.
Furthermore, the number of the pressing plates and the number of the air cylinders are two, and the pressing plates and the air cylinders are symmetrically arranged at two ends of the workpiece.
The utility model has the advantages that:
1. the sheet metal workpiece is clamped through the displaceable central support rod, the side support frames, the limiting frame and the air cylinder, the deformation problem of the thin-wall part is solved by adopting a multipoint pressure equalizing mode, and the sheet metal workpiece clamping device is simple in structure and convenient to assemble and disassemble;
2. the scrap blowing frame and the spray head are arranged, scrap blowing is performed in an air cooling mode, and screw tap fracture of the tapping rod is avoided;
3. stable in structure is reliable, avoids the vibration in the screw hole course of working, and the machining precision is high.
Drawings
Fig. 1 is a schematic perspective view of a threaded hole machining tool according to the present invention;
fig. 2 is a schematic front view of the threaded hole machining tool of the present invention;
fig. 3 is a left side view schematically illustrating the threaded hole machining tool of the present invention;
fig. 4 is a schematic top view of the threaded hole machining tool of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 1;
fig. 6 is an enlarged view of a portion B of fig. 1.
In the figure: 1. a base plate; 2. a side support frame; 3. a limiting frame; 4. positioning pins; 5. a cylinder; 6. pressing a plate; 7. a scrap blowing frame; 8. a spray head; 9. tapping screw rod; 10. a central support rod; 11. and (5) a workpiece.
Detailed Description
The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.
As shown in fig. 1, 2 and 3, a threaded hole machining tool comprises a bottom plate 1, a side support frame 2, a limiting frame 3, a pressing plate 6, a nozzle 8 and a center support rod 10, wherein a plurality of positioning holes are formed in the bottom plate 1, as shown in fig. 4, the side support frame 2 is L-shaped and symmetrically and uniformly arranged along the length direction of a workpiece 11, the bottom of the side support frame 2 is detachably mounted on the bottom plate 1, the upper part of the side support frame is provided with a right-angled notch matched with the edge of the workpiece 11, the limiting frame 3 is positioned below the hole of the positioning pin 4 of the workpiece 11, as shown in fig. 6, the nozzle 8 is mounted on a chip blowing frame 7, the chip blowing frame 7 is L-shaped, the nozzle 8 is connected with an air compressor through a hose and aligned with the thread to be machined on the workpiece 11, the center support rod 10 is mounted below the center of the workpiece 11, one end of the pressing plate 6 is installed on the telescopic rod of the air cylinder 5, and the other end of the pressing plate is provided with a cylindrical elastic body.
In practical application, the number of the side support frames 2 is four, the side support frames are respectively positioned on two sides of the workpiece 11, and the number of the scrap blowing frames 7 and the number of the spray heads 8 are the same as the number of the tapping rods 9.
In practical application, T-shaped sliding grooves are formed in the bottoms of the side supporting frames 2, the limiting frames 3 and the scrap blowing frame 7, are matched with bolts, and can adjust the relative position of the side supporting frames and the workpieces 11.
In practical applications, as shown in fig. 3, the central support rod 10 is screwed to the bracket to adjust the height.
In practical application, the head of the positioning pin 4 is tapered as shown in fig. 4.
In practical application, the material of the elastomer of the pressing plate 6 is polyurethane PU.
In practical application, the two pressure plates 6 and the two air cylinders 5 are symmetrically arranged at two ends of the workpiece 11.
In summary, the utility model adopts a multipoint pressure equalizing mode, overcomes the difficult deformation problem of thin-wall parts, has simple structure and convenient assembly and disassembly, and avoids the screw tap fracture of the tapping rod; stable in structure is reliable, avoids the vibration in the screw hole course of working, and the machining precision is high.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. The front, back, left and right are not specific, but are used for more intuitively explaining the technical scheme without limitation. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (7)
1. The utility model provides a screw hole processing frock which characterized in that: comprises a bottom plate (1), side supporting frames (2), a limiting frame (3), a pressing plate (6), a spray head (8) and a central supporting rod (10),
a plurality of positioning holes are arranged on the bottom plate (1),
the side supporting frames (2) are L-shaped and are symmetrically and uniformly arranged along the length direction of the workpiece (11), the bottom parts of the side supporting frames (2) are detachably arranged on the bottom plate (1), the upper parts of the side supporting frames are provided with right-angle notches to be matched with the edge of the workpiece (11),
the limiting frame (3) is positioned below a hole of the positioning pin (4) of the workpiece (11), the positioning pin (4) is arranged on the limiting frame (3),
the spray head (8) is arranged on the scrap blowing frame (7), the scrap blowing frame (7) is L-shaped, the spray head (8) is connected with an air compressor through a hose and is aligned to the position of the workpiece (11) where the thread is to be machined,
the central support rod (10) is arranged below the center of the workpiece (11),
one end of the pressing plate (6) is installed on the telescopic rod of the air cylinder (5), and the other end of the pressing plate is provided with a cylindrical elastic body.
2. The threaded hole machining tool according to claim 1, characterized in that: the number of the side supporting frames (2) is four, the side supporting frames are respectively positioned on two sides of the workpiece (11), and the number of the scrap blowing frames (7) and the number of the spray heads (8) are consistent with that of the tapping rods (9).
3. The threaded hole machining tool according to claim 2, characterized in that: the bottom of the side supporting frame (2), the bottom of the limiting frame (3) and the bottom of the scrap blowing frame (7) are provided with T-shaped sliding grooves which are matched with bolts and can adjust the relative position with a workpiece (11).
4. The threaded hole machining tool according to claim 1, characterized in that: the central support rod (10) is screwed on the bracket through threads, and the height can be adjusted.
5. The threaded hole machining tool according to claim 1, characterized in that: the head of the positioning pin (4) is conical.
6. The threaded hole machining tool according to claim 1, characterized in that: the elastomer of the pressing plate (6) is made of polyurethane PU.
7. The threaded hole machining tool according to claim 6, characterized in that: the two pressing plates (6) and the two cylinders (5) are symmetrically arranged at two ends of the workpiece (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721326.8U CN210702958U (en) | 2019-10-15 | 2019-10-15 | Threaded hole machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721326.8U CN210702958U (en) | 2019-10-15 | 2019-10-15 | Threaded hole machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210702958U true CN210702958U (en) | 2020-06-09 |
Family
ID=70959390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921721326.8U Active CN210702958U (en) | 2019-10-15 | 2019-10-15 | Threaded hole machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210702958U (en) |
-
2019
- 2019-10-15 CN CN201921721326.8U patent/CN210702958U/en active Active
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