CN212664916U - Jacking processing cutter - Google Patents
Jacking processing cutter Download PDFInfo
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- CN212664916U CN212664916U CN202021306120.1U CN202021306120U CN212664916U CN 212664916 U CN212664916 U CN 212664916U CN 202021306120 U CN202021306120 U CN 202021306120U CN 212664916 U CN212664916 U CN 212664916U
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Abstract
The utility model discloses a jacking processing cutter, including a plurality of tool bits, a plurality of chuck and hollow support piece, wherein: the cutter head and the hollow supporting piece are connected together through a chuck; the cutter head comprises a cutter point, a cutter point welding handle and a cutter head fixing rod, the cutter point is welded at one end of the cutter point welding handle, the other end of the cutter point welding handle is connected with the cutter head fixing rod, and a locking through hole is formed in the middle of the cutter point welding handle; the chuck includes the chuck body, and the chuck body includes arc linkage segment and bulge, and the arc linkage segment has the draw-in groove along radially opening, and arc linkage segment side is equipped with a screw hole, and the bulge is inwards protruding from arc linkage segment outer wall, and the bulge has the tool bit fixed slot along the axial division, and the tool bit dead lever is installed in the tool bit fixed slot. Through the utility model discloses, can conveniently process into the hollow tube with solid bar rapidly and overlap out little bar, the equipment is simple, and the operation is portable.
Description
Technical Field
The utility model relates to the field of machine-building, especially, relate to a jacking processing cutter.
Background
The non-standard large-caliber wall-thickness seamless equal-diameter or variable-diameter steel pipes are difficult to purchase from the market, the manufacturing process of the large-caliber wall-thickness steel pipes is various, such as a pipe jacking process, an extrusion process, a periodic rolling process and a cross rolling and piercing process, but the process is complex, the productivity is high, the characteristics of large specification and small quantity which are not suitable for the machining industry are met, the manufacturing of the variable-diameter thick-wall pipes cannot be realized, the variable-diameter bar stock can be produced by adopting a forging process, and the deep processing of the variable-diameter large-caliber wall-thickness pipe can be completed by machining, so the process technology has obvious advantages.
At present there is not supporting special processing cutter to process yet, for this reason, the utility model provides a jacking processing cutter can conveniently realize that reducing bar processes into the big bore wall thickness pipe of reducing. The utility model discloses can directly process the pipe die blank, the pipe die blank is through forging the reducing bar that has the major part, utilizes the utility model discloses a jacking processing cutter from the center processing out a bar, the outer thick wall pipe die blank of reducing that is exactly, the bar can continue to be used for deep-processing, improves the utilization ratio of material.
SUMMERY OF THE UTILITY MODEL
In order to realize the purpose of the utility model, the following technical scheme is adopted to realize:
the utility model provides a jacking processing cutter, includes a plurality of tool bits, a plurality of chuck and hollow support piece, wherein: the cutter head and the hollow supporting piece are connected together through a chuck; the cutter head comprises a cutter point, a cutter point welding handle and a cutter head fixing rod, the cutter point is welded at one end of the cutter point welding handle, the other end of the cutter point welding handle is connected with the cutter head fixing rod, and a locking through hole is formed in the middle of the cutter point welding handle; the chuck includes the chuck body, and the chuck body includes arc linkage segment and bulge, and the arc linkage segment has the draw-in groove along radially opening, and arc linkage segment side is equipped with a screw hole, and the bulge is inwards protruding from arc linkage segment outer wall, and the bulge has the tool bit fixed slot along the axial division, and the tool bit dead lever is installed in the tool bit fixed slot.
The jacking processing cutter, its characterized in that: the tool nose welding handle is welded with the tool bit fixing rod, or the tool nose welding handle and the tool bit fixing rod are integrally processed and formed.
The jacking processing cutter, wherein: the tip includes an axial cutting edge and a radial cutting edge.
The jacking processing cutter, wherein: the hollow support rod comprises a hollow support tube, a plurality of clamping grooves are formed in the outer wall of the hollow support tube inwards, a plurality of concave parts are formed in the front end of the hollow support tube inwards, the radian of the inner wall of the chuck body is the same as that of the hollow support tube, the chuck body is clamped on the hollow support tube, the clamping grooves of the chuck body are aligned with the clamping grooves of the hollow support tube to form a closed bayonet, and clamping blocks are inserted into the bayonet for fixing; the convex part of the chuck body is inserted into the concave part of the hollow supporting tube.
The jacking processing cutter, wherein: the cross section of the bayonet is trapezoidal.
The jacking processing cutter, wherein: the clamping block is in interference fit with the clamping groove of the chuck body and the clamping groove of the hollow supporting tube.
The jacking processing cutter, wherein: the clamping block is fixed with the bayonet by spot welding.
The jacking processing cutter, wherein: 4 chuck bodies are installed to the hollow stay tube.
The jacking processing cutter, wherein: the tool bit dead lever is installed in the tool bit fixed slot, and the screw passes the locking through-hole and twists in the screw hole of arc linkage segment side, and the central axis of the tool bit fixed slot on four chuck bodies is to the central axis's of hollow stay tube distance diverse for tool bit mounted position is by high to low be divided into highest, high, well height and low.
The jacking processing cutter, wherein: an alloy knife is adopted as a knife tip.
Drawings
FIG. 1 is a schematic view of a cutting tool for trepanning according to the present invention;
FIG. 2 is a schematic view showing the arrangement of tool bits of the trepanning tool of the present invention;
FIG. 3 is a schematic view of an assembled tool bit of the trepanning tool of the present invention;
FIG. 4 is a schematic view of a chuck of the trepanning tool of the present invention;
FIG. 5 is a schematic view of a fixture block of the trepanning tool of the present invention;
fig. 6 is a schematic view of a screw of the trepanning tool of the present invention.
Detailed Description
The following describes in detail embodiments of the present invention with reference to fig. 1 to 6.
As shown in fig. 1, the trepanning tool comprises a tool bit, a chuck and a hollow support, wherein the tool bit and the hollow support are connected together by the chuck.
The tool bit comprises a tool bit 1, a tool bit welding handle 2 and a tool bit fixing rod 3, the alloy tool is used as the tool bit 1, the tool bit 1 is welded at one end of the tool bit welding handle 2, the other end of the tool bit welding handle 2 is connected with the tool bit fixing rod 3, the tool bit welding handle 2 is connected with the tool bit fixing rod 3 in a welding mode, or the tool bit welding handle and the tool bit fixing rod are integrally machined and formed, as shown in figure 3, a locking through hole 16 is formed in the middle of the tool bit welding handle 2, and the tool bit welding handle 2 and. The number of the cutter heads is a plurality, and the preferred number is 4. As shown in fig. 3, the tip 1 includes an axial cutting edge 11 and a radial cutting edge 12.
As shown in fig. 2 and 4, the chuck includes a chuck body 4, the chuck body 4 includes an arc connecting section 41 and a protruding portion 42, the arc connecting section 41 has a clamping groove 9 along the radial direction, the side surface of the arc connecting section 41 has a threaded hole 15, the protruding portion 42 protrudes inward from the outer wall of the arc connecting section 41, and the protruding portion 42 has a tool bit fixing groove 8 along the axial direction. The number of the chucks corresponds to the number of the tool bits, and is a plurality, preferably 4.
The hollow support rod comprises a hollow support tube 5, a plurality of clamping grooves 14 are formed in the outer wall of the hollow support tube inwards, a plurality of concave parts are formed in the front end of the hollow support tube inwards, and the radian of the inner wall of the chuck body 4 is identical to that of the hollow support tube 5. The chuck body 4 is clamped on the hollow support tube 5, the clamping groove 9 of the chuck body 4 is aligned with the clamping groove 14 of the hollow support tube to form a closed bayonet, the cross section of the bayonet is preferably trapezoidal, a clamping block 10 is inserted into the bayonet for fixation, and the clamping block 10 is in interference fit with the clamping groove 9 of the chuck body 4 and the clamping groove 14 of the hollow support tube, and can also be fixed by spot welding on the basis; the protrusion 42 of chuck body 4 is inserted in the recess of the hollow support tube. The hollow supporting tube 5 is symmetrically provided with 4 chuck bodies 4.
The cutter head fixing rod 3 is installed in the cutter head fixing groove 8, a screw 13 penetrates through the locking through hole 16 and is screwed into the threaded hole 15 in the side face of the arc-shaped connecting section 41, so that a cutter head can be fixed, and the distances from the central axis of the cutter head fixing groove 8 on the four chuck bodies 4 to the central axis of the hollow supporting tube 5 are different, so that the cutter head installation position is divided into highest, high, middle and low from high to low.
As shown in figure 1, in operation, the driving mechanism drives the trepanning tool to rotate and feed along the axial direction of the solid bar to perform cutting processing, and two finished products of the hollow pipe 6 and the sleeved bar 7 are completed.
Through the utility model discloses, can conveniently process into the hollow tube with solid bar rapidly and overlap out little bar, the equipment is simple, convenient operation.
Claims (10)
1. The utility model provides a jacking processing cutter, includes a plurality of tool bits, a plurality of chuck and hollow support piece, its characterized in that: the cutter head and the hollow supporting piece are connected together through a chuck; the cutter head comprises a cutter point, a cutter point welding handle and a cutter head fixing rod, the cutter point is welded at one end of the cutter point welding handle, the other end of the cutter point welding handle is connected with the cutter head fixing rod, and a locking through hole is formed in the middle of the cutter point welding handle; the chuck includes the chuck body, and the chuck body includes arc linkage segment and bulge, and the arc linkage segment has the draw-in groove along radially opening, and arc linkage segment side is equipped with a screw hole, and the bulge is inwards protruding from arc linkage segment outer wall, and the bulge has the tool bit fixed slot along the axial division, and the tool bit dead lever is installed in the tool bit fixed slot.
2. The trepanning tool of claim 1, wherein: the tool nose welding handle is welded with the tool bit fixing rod, or the tool nose welding handle and the tool bit fixing rod are integrally processed and formed.
3. The trepanning tool of claim 1, wherein: the tip includes an axial cutting edge and a radial cutting edge.
4. The trepanning tool of claim 1, wherein: the hollow support rod comprises a hollow support tube, a plurality of clamping grooves are formed in the outer wall of the hollow support tube inwards, a plurality of concave parts are formed in the front end of the hollow support tube inwards, the radian of the inner wall of the chuck body is the same as that of the hollow support tube, the chuck body is clamped on the hollow support tube, the clamping grooves of the chuck body are aligned with the clamping grooves of the hollow support tube to form a closed bayonet, and clamping blocks are inserted into the bayonet for fixing; the convex part of the chuck body is inserted into the concave part of the hollow supporting tube.
5. The trepanning tool of claim 4, wherein: the cross section of the bayonet is trapezoidal.
6. The trepanning tool of claim 4, wherein: the clamping block is in interference fit with the clamping groove of the chuck body and the clamping groove of the hollow supporting tube.
7. The trepanning tool of claim 4, wherein: the clamping block is fixed with the bayonet by spot welding.
8. The trepanning tool of claim 4, wherein: 4 chuck bodies are installed to the hollow stay tube.
9. The trepanning tool of claim 4, wherein: the tool bit dead lever is installed in the tool bit fixed slot, and the screw passes and twists in the screw hole of arc linkage segment side behind the locking through-hole, and the central axis of the tool bit fixed slot on four chuck bodies to the central axis of hollow stay tube apart from diverse for tool bit mounted position is by high to low be divided into highest, high, well height and low.
10. The trepanning tool of claim 4, wherein: an alloy knife is adopted as a knife tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021306120.1U CN212664916U (en) | 2020-07-07 | 2020-07-07 | Jacking processing cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021306120.1U CN212664916U (en) | 2020-07-07 | 2020-07-07 | Jacking processing cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212664916U true CN212664916U (en) | 2021-03-09 |
Family
ID=74838931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021306120.1U Active CN212664916U (en) | 2020-07-07 | 2020-07-07 | Jacking processing cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212664916U (en) |
-
2020
- 2020-07-07 CN CN202021306120.1U patent/CN212664916U/en active Active
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