CN213916523U - Thread forming cutter for processing tubular parts - Google Patents
Thread forming cutter for processing tubular parts Download PDFInfo
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- CN213916523U CN213916523U CN202023116721.9U CN202023116721U CN213916523U CN 213916523 U CN213916523 U CN 213916523U CN 202023116721 U CN202023116721 U CN 202023116721U CN 213916523 U CN213916523 U CN 213916523U
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- thread forming
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Abstract
The utility model discloses a thread forming cutter for processing tubular parts, which comprises a cutter body, a connecting part and a fixing part, wherein the upper end of the cutter body is provided with a handle, the lower end of the cutter body is provided with a conical drill bit, the cutter body above the conical drill bit is provided with a milling part, the connecting part is positioned below the handle, the connecting part is movably connected with the cutter body, the connecting part is symmetrically provided with a set of telescopic rods in two sets, the fixing parts are symmetrically arranged at two sides of the cutter body, a side plate of the fixing part is connected with the tail ends of the telescopic rods in a sliding way, the bottom of the side plate is fixedly provided with a hydraulic cylinder, a hydraulic push rod at the inner side of the hydraulic cylinder is vertically arranged with the cutter body, the thread forming cutter of the utility model has reasonable structure and convenient use, can process the internal and external threads of various tubular parts, simultaneously strengthens the fixing effect on the parts, and the thread processing direction is always kept vertical, the phenomenon of slippage and dislocation of parts in the machining process is prevented, and the method is favorable for popularization.
Description
Technical Field
The utility model relates to a screw thread cutter technical field specifically is a screw thread shaping cutter for processing tubulose part.
Background
The traditional thread processing method mainly adopts a threading tool to turn threads or adopts a screw tap and a die to manually tap and sleeve and buckle. With the development of numerical control machining technology, a more advanced thread machining mode (numerical control milling of threads) is realized.
However, there are still many difficulties in thread processing of tubular parts, and during processing, part shaking or tool bit deviation may cause tool bit and part dislocation, thereby affecting thread forming quality, and when processing inner and outer thread grooves or different thread grooves, the thread cutting tool often needs to be replaced, which also increases inconvenience of operation to a certain extent, and is not beneficial to fast switching of the thread cutting tool.
Patent CN209424700U discloses a thread milling cutter that is suitable for multiple thread processing, use through the cooperation of turbine, worm, round bar, drum and telescopic, make four thread milling cutters who is carved with different screw threads can rotate, and then can make different work pieces be carved with different screw threads when processing the work piece, thereby reached the purpose that the thread milling cutter that is suitable for multiple thread processing can be suitable for multiple thread processing, but install a plurality of thread cutters and increased the complexity of device, space utilization is not high.
Accordingly, there is a need to provide an efficient, convenient, and accurate thread forming tool for tubular parts.
SUMMERY OF THE UTILITY MODEL
The utility model provides a thread forming cutter for processing tubulose part to the problem that above-mentioned exists.
The technical scheme of the utility model is that:
a thread forming cutter for processing tubular parts comprises a cutter body, a connecting part and a fixing part,
the upper end of the cutter body is provided with a cutter handle, the lower end of the cutter body is provided with a conical drill bit, a milling part is arranged on the cutter body above the conical drill bit,
the cutter body is sequentially provided with a cutter handle, a milling part and a conical drill from top to bottom,
the connecting part is positioned below the knife handle and movably connected with the knife body, a group of telescopic rods are symmetrically arranged on two sides of the connecting part, the connecting part is formed by butting two groups of semi-ring-shaped connecting blocks which are centrosymmetric, a first threaded rod is arranged at one end of the tangent surface of each semi-ring-shaped connecting block, a threaded groove which is matched with the first threaded rod is arranged at the other end of the tangent surface corresponding to the height position of the first threaded rod, a second threaded rod is arranged on the upper surface of each semi-ring-shaped connecting block, the second threaded rod penetrates through the threaded groove in each semi-ring-shaped connecting block and is in threaded connection with the first threaded rod, a limiting block is arranged at the top of the second threaded rod,
the fixing parts are two groups and are symmetrically arranged on two sides of the cutter body, side plates of the fixing parts are connected with the tail end of the telescopic rod in a sliding mode, and hydraulic assemblies used for clamping parts are fixedly arranged at the bottoms of the side plates.
Furthermore, the milling part is obliquely provided with a plurality of diamond convex edges, and a groove for discharging chips is formed between each two diamond convex edges, so that the chips generated in the machining process can be smoothly discharged.
Furthermore, an annular bulge is arranged at the joint of the cutter body and the semi-annular connecting block, and an annular groove matched with the annular bulge is arranged on the inner surface of the semi-annular connecting block, so that the cutter body does not influence the work of the connecting part during rotation.
Furthermore, the annular groove is internally coated with a solid lubricating material, particularly graphite fluoride, so that the lubricating property between the cutter body and the connecting part is greatly increased, and the influence on the thread precision due to overheating of the cutter in the working process is prevented.
Furthermore, the hydraulic assembly comprises a hydraulic cylinder fixedly connected with the bottom of the side plate, a hydraulic push rod on the inner side of the hydraulic cylinder is perpendicular to the cutter body, and a jaw plate used for fixing a part to be machined is arranged at the tail end of the hydraulic push rod, so that the part is more convenient to replace.
Furthermore, the inner surface of the jaw plate is provided with anti-slip lines to prevent slipping and dislocation when the part to be machined is occluded.
Furthermore, the inner surface of the side plate is longitudinally provided with a slide rail for the telescopic rod to slide up and down, so that the height is easy to adjust.
The utility model has the advantages that:
(1) the utility model discloses a thread forming cutter is rational in infrastructure, and convenient to use can process the interior external screw thread of various tubulose parts, has strengthened the fixed action to the part simultaneously, and the screw thread direction of processing remains throughout perpendicular, prevents that the phenomenon of part dislocation of skidding from taking place in the course of working, is favorable to promoting.
(2) The utility model discloses a connecting portion that thread forming cutter was equipped with are that two parts are detachable, and it is convenient to change the cutter, and the fixed part that is equipped with can adjust the upper and lower and left right position of cutter, can be in succession internal external screw thread processing, need not to change the cutter.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the structure of the connection portion of the present invention;
fig. 4 is a front view and an internal structure diagram of the present invention in a state where the connecting portion is separated;
fig. 5 is a front view and an internal structure diagram of the connection portion of the present invention in a combined state;
fig. 6 is a schematic view of the milling part of the present invention.
The cutting tool comprises a cutting tool body, 11-a tool shank, 12-a conical drill bit, 13-a milling part, 131-a diamond convex edge, 132-a groove, 14-an annular bulge, 2-a semi-ring-shaped connecting block, 21-a telescopic rod, 22-an annular groove, 23-a first threaded rod, 24-a threaded groove, 25-a second threaded rod, 26-a limiting block, 3-a fixing part, 31-a side plate, 311-a sliding rail, 32-a hydraulic cylinder, 33-a hydraulic push rod and 34-a jaw plate.
Detailed Description
As shown in fig. 1, a thread forming tool for processing a tubular part includes a tool body 1, a connecting portion and a fixing portion 3;
as shown in fig. 1 and 6, the tool body 1 is sequentially provided with a tool shank 11, a milling part 13 and a conical drill bit 12 from top to bottom, the milling part 13 is obliquely provided with a plurality of diamond convex edges 131, and a groove 132 for discharging chips is arranged between each diamond convex edge 131;
as shown in fig. 2-5, the connecting portion is located below the tool holder 11, the connecting portion is movably connected with the tool body 1, a set of telescopic rods 21 are symmetrically arranged on two sides of the connecting portion, the connecting portion is formed by butting two sets of semi-ring-shaped connecting blocks 2 which are centrosymmetric, the two sets of semi-ring-shaped connecting blocks 2 are spliced together into a hollow circular ring, a first threaded rod 23 is arranged at one end of a section of each semi-ring-shaped connecting block 2, a threaded groove 24 which is matched with the first threaded rod 23 is arranged at the other end of the section corresponding to the height position of the first threaded rod 23, a second threaded rod 25 is arranged on the upper surface of each semi-ring-shaped connecting block 2, the second threaded rod 25 penetrates through the threaded groove 24 in the semi-ring-shaped connecting block 2 and is in threaded connection with the first threaded rod 23, a limiting block 26 is arranged at the top of the second threaded rod 25, an annular protrusion 14 is arranged at the joint of the tool body 1 and the semi-ring-shaped connecting block 2, an annular groove 22 which is matched with the annular protrusion 14 is arranged on the inner surface of the semi-ring-shaped connecting block 2, a solid lubricating material, specifically graphite fluoride, is coated in the annular groove 22;
as shown in fig. 1 and 2, the two fixing portions 3 are symmetrically disposed on two sides of the tool body 1, a side plate 31 of each fixing portion 3 is slidably connected to a tail end of the telescopic rod 21, a sliding rail 311 is longitudinally disposed on an inner surface of the side plate 31, the telescopic rod 21 can slide along the sliding rail 311, a hydraulic assembly is fixedly disposed at the bottom of the side plate 31, the hydraulic assembly includes a hydraulic cylinder 32 fixedly connected to the bottom of the side plate 31, the hydraulic cylinder 32 is a commercially available standard linear pull rod cylinder, a hydraulic push rod 33 disposed on an inner side of the hydraulic cylinder 32 is perpendicular to the tool body 1, a jaw plate 34 for fixing a part to be machined is disposed at a tail end of the hydraulic push rod 33, and anti-slip patterns are disposed on an inner surface of the jaw plate 34.
The working principle of the thread forming cutter for processing the tubular part is as follows:
firstly, two groups of semi-ring type connecting blocks 2 are jointed, a first threaded rod 23 of each group of semi-ring type connecting blocks 2 is inserted into a threaded groove 24 of the other group of semi-ring type connecting blocks 2, and two second threaded rods 25 are simultaneously rotated clockwise, so that the second threaded rods 25 drive the first threaded rods 23 to go deep into the threaded grooves 24, the two groups of semi-ring type connecting blocks 2 are tightly jointed, and the annular protrusions 14 are embedded into the annular grooves 22;
then, a tubular part to be machined is placed below the tool body 1, the telescopic rods 21 are adjusted to enable the extending lengths of the left telescopic rod 21 and the right telescopic rod 21 to be equal, then the lengths of the hydraulic push rods 33 are adjusted through the hydraulic cylinders 32 to enable the extending lengths of the left hydraulic push rod 33 and the right hydraulic push rod 33 to be equal, the hydraulic push rods 33 push the jaw plates 34 to clamp the tubular part, and internal threads of the tubular part to be machined are aligned with the drill bit 12;
then, the tool shank 11 is arranged on the machine tool, the machine tool is started, the tool body 1 rotates in the semi-ring-shaped connecting block 2, the annular protrusion 14 rotates in the annular groove 22, the telescopic rod 21 slides downwards along the sliding rail to drive the tool body 1 to move downwards, the drill bit 12 starts to drill, and meanwhile the milling part 13 processes the internal thread of the tubular part;
after the internal thread processing is finished, the cutter body 1 is moved upwards, the cutter body 1 is made to leave the upper surface of the tubular part, the telescopic rod 21 is adjusted to enable the telescopic rod 21 on one side to extend, the telescopic rod 21 on the other side retracts to the same length, the corresponding position of the milling part 13 is the external thread position of the tubular part, the cutter body 1 is moved downwards, the external thread of the tubular part is processed, meanwhile, the fixing part 3 is rotated by a worker, the fixing part 3 is made to rotate by taking the cutter body 1 as an axis, the tubular part rotates around the milling part 13, and the external thread of the tubular part is uniformly processed.
Claims (7)
1. A thread forming cutter for processing tubular parts is characterized by comprising a cutter body (1), a connecting part and a fixing part (3),
the cutter body (1) is sequentially provided with a cutter handle (11), a milling part (13) and a conical drill bit (12) from top to bottom,
the connecting part is positioned below the tool handle (11), the connecting part is movably connected with the tool body (1), a group of telescopic rods (21) are symmetrically arranged on two sides of the connecting part, the connecting part is formed by butting two groups of semi-ring-shaped connecting blocks (2) which are centrosymmetric, a first threaded rod (23) is arranged at one end of the tangent plane of each semi-ring-shaped connecting block (2), a threaded groove (24) matched with the first threaded rod (23) is formed in the other end of the tangent plane corresponding to the height position of the first threaded rod (23), a second threaded rod (25) is arranged on the upper surface of each semi-ring-shaped connecting block (2), the second threaded rod (25) penetrates through the threaded groove (24) in each semi-ring-shaped connecting block (2) and is in threaded connection with the first threaded rod (23), and a limiting block (26) is arranged at the top of the second threaded rod (25),
the cutting tool is characterized in that the fixing portions (3) are arranged on two sides of the cutting tool body (1) in two groups and are symmetrically arranged, side plates (31) of the fixing portions (3) are connected with the tail ends of the telescopic rods (21) in a sliding mode, and hydraulic assemblies used for clamping parts are fixedly arranged at the bottoms of the side plates (31).
2. A thread forming tool for machining tubular components according to claim 1, characterized in that the milling portion (13) is provided obliquely with a number of diamond ridges (131), between each of which diamond ridges (131) grooves (132) are provided for discharging chips.
3. The thread forming tool for machining tubular parts as claimed in claim 1, characterized in that the joint of the tool body (1) and the semi-ring shaped connecting block (2) is provided with an annular protrusion (14), and the inner surface of the semi-ring shaped connecting block (2) is provided with an annular groove (22) which is engaged with the annular protrusion (14).
4. A thread forming tool for machining tubular components according to claim 3, characterized in that the annular groove (22) is internally coated with a solid lubricating material.
5. The thread forming tool for machining tubular parts according to claim 1, wherein the hydraulic assembly comprises a hydraulic cylinder (32) fixedly connected with the bottom of the side plate (31), a hydraulic push rod (33) inside the hydraulic cylinder (32) is arranged perpendicular to the tool body (1), and a jaw plate (34) for fixing the part to be machined is arranged at the tail end of the hydraulic push rod (33).
6. A thread forming tool for machining tubular components according to claim 5, characterized in that the internal surface of the jaw plate (34) is provided with anti-slip threads.
7. The thread forming tool for machining tubular parts according to claim 1, wherein the inner surface of the side plate (31) is longitudinally provided with a slide rail (311) for sliding the telescopic rod (21) up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023116721.9U CN213916523U (en) | 2020-12-22 | 2020-12-22 | Thread forming cutter for processing tubular parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023116721.9U CN213916523U (en) | 2020-12-22 | 2020-12-22 | Thread forming cutter for processing tubular parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213916523U true CN213916523U (en) | 2021-08-10 |
Family
ID=77154075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023116721.9U Active CN213916523U (en) | 2020-12-22 | 2020-12-22 | Thread forming cutter for processing tubular parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213916523U (en) |
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2020
- 2020-12-22 CN CN202023116721.9U patent/CN213916523U/en active Active
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