CN220591799U - Special machine tool for trapezoidal threads of screw and nut of press - Google Patents
Special machine tool for trapezoidal threads of screw and nut of press Download PDFInfo
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- CN220591799U CN220591799U CN202322208094.9U CN202322208094U CN220591799U CN 220591799 U CN220591799 U CN 220591799U CN 202322208094 U CN202322208094 U CN 202322208094U CN 220591799 U CN220591799 U CN 220591799U
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- 238000003801 milling Methods 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 238000003754 machining Methods 0.000 claims description 6
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 5
- 238000007514 turning Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a special processing machine tool for trapezoidal threads of a screw and a nut of a press, which comprises a numerical control lathe, wherein a tool rest is replaced by a milling mechanism A or a milling mechanism B, the milling mechanism A is used for processing the trapezoidal threads of the screw, and the milling mechanism B is used for processing the trapezoidal threads of the nut; the milling mechanism A comprises a gearbox, a servo motor A is arranged on the gearbox, the servo motor A is connected with the gearbox through a synchronous belt transmission A, and a special milling cutter is arranged on an output shaft of the gearbox; the milling mechanism B comprises a long rod cutter rest, a servo motor B is arranged at the upper end of the long rod cutter rest, a transmission shaft is rotatably arranged at the center of the long rod cutter rest, one end of the transmission shaft is connected with the servo motor B through a synchronous belt transmission B, the other end of the transmission shaft is connected with a commutator, and a special milling cutter is arranged at the output end of the commutator. The structure of the existing numerical control lathe is fully utilized, improvement and optimization are carried out on the basis of the structure, the milling capability is achieved, milling is carried out on trapezoidal threads of a screw rod and a nut of a large-scale press, and the processing quality and efficiency are improved.
Description
Technical field:
the utility model relates to the technical field of trapezoidal thread processing, in particular to a special processing machine tool for trapezoidal threads of a screw rod and a nut of a press.
The background technology is as follows:
at present, a turning process is generally adopted to finish trapezoidal thread processing, and the trapezoidal thread processing is particularly realized by a numerical control lathe. The numerical control lathe is adopted to carry out turning processing on the trapezoidal threads of the screw rod and the nut of the medium-and small-sized press machine, but the large-sized press machine is large in part diameter, long in thread lead and large in trapezoidal groove depth, so that turning quantity is large, the quality of the processed screw rod and nut of the common lathe and the numerical control lathe is unstable due to the limitation of the characteristics of the common lathe and the numerical control lathe, the dimensional deviation is large, the surface is rough, the cutting tool eating amount and the feeding speed of the cutter during processing are limited, the processing period of a workpiece is long, the working efficiency is low, the labor intensity of operators is high, and the delivery period of products is influenced. Therefore, improvement is needed on the basis of the existing numerical control lathe so as to finish trapezoidal thread processing by adopting a milling process and improve the processing efficiency of products.
The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.
The utility model comprises the following steps:
the utility model aims to solve the problems in the prior art and provide a special processing machine tool for trapezoidal threads of a screw and a nut of a press.
The utility model realizes the aim by adopting the following technical scheme:
the special processing machine tool for the trapezoidal threads of the screw and the nut of the press comprises a numerical control lathe, wherein an original tool rest on a slide carriage box in the numerical control lathe is replaced by a milling mechanism A or a milling mechanism B, the output ends of the milling mechanism A and the milling mechanism B are respectively provided with a special milling cutter, the milling mechanism A is used for processing the trapezoidal threads of the screw, and the milling mechanism B is used for processing the trapezoidal threads of the nut;
the milling mechanism A comprises a gearbox which is detachably arranged at the upper end of the slide carriage box, a servo motor A is arranged on the gearbox, the servo motor A is connected with the gearbox through a synchronous belt transmission A, and the special milling cutter is arranged on an output shaft of the gearbox;
the milling mechanism B comprises a long rod cutter rest which is detachably arranged at the upper end of the slide carriage box, a servo motor B is arranged at the upper end of the long rod cutter rest, a transmission shaft is rotatably arranged at the center of the long rod cutter rest, one end of the transmission shaft is connected with the servo motor B through a synchronous belt transmission B, the other end of the transmission shaft is connected with a commutator, and the output end of the commutator is provided with the special milling cutter;
the special milling cutter comprises a cutter handle, a cutter body and a cutter edge which are integrally formed.
The numerical control lathe comprises a lathe body, a spindle box, a chuck, a tailstock, a screw transmission system and a CTB numerical control system, wherein the slide carriage box is arranged on the screw transmission system.
The utility model adopts the structure, and has the following beneficial effects:
the tool rest of the numerical control lathe is replaced by the milling mechanism A or the milling mechanism B on the basis of the numerical control lathe, so that design and production cost can be greatly saved, the numerical control lathe is simple in structure, reliable in technical performance and high in practicality, machining efficiency of trapezoidal threads of a screw and a nut can be improved, product quality is improved, and working strength of operators is reduced.
Description of the drawings:
FIG. 1 is a schematic diagram of a special machine tool for processing trapezoidal threads of a screw rod;
FIG. 2 is a schematic diagram of the milling mechanism A in front view;
FIG. 3 is a schematic side view of milling mechanism A of the present utility model;
FIG. 4 is a schematic diagram of a special machine tool for trapezoidal threads of nuts;
FIG. 5 is a schematic diagram of a milling mechanism B in a front view;
FIG. 6 is a schematic side view of milling mechanism B of the present utility model;
FIG. 7 is a schematic view of the structure of the special milling cutter of the present utility model;
in the figure, 1, a numerically controlled lathe, 101, a lathe bed, 102, a headstock, 103, a chuck, 104, a tailstock, 105, a lead screw transmission system, 106, a CTB numerical control system, 107, a slide carriage, 2, a milling mechanism A,201, a gearbox, 202, a servo motor A,203, a synchronous belt transmission A,204, an output shaft, 3, a milling mechanism B,301, a long rod tool rest, 302, a servo motor B,303, a transmission shaft, 304, a synchronous belt transmission B,305, a reverser, 4, a special milling cutter, 401, a tool shank, 402, a tool body, 403 and a cutting edge.
The specific embodiment is as follows:
in order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "disposed," and the like are to be construed broadly and include, for example, either fixedly attached, detachably attached, or integrally; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
1-7, a special processing machine tool for trapezoidal threads of a screw and a nut of a press comprises a numerical control lathe 1, wherein an original tool rest on a slide carriage box 107 in the numerical control lathe 1 is replaced by a milling mechanism A2 or a milling mechanism B3, the output ends of the milling mechanism A2 and the milling mechanism B3 are respectively provided with a special milling cutter 4, the milling mechanism A2 is used for processing trapezoidal threads of the screw, and the milling mechanism B3 is used for processing trapezoidal threads of the nut;
the milling mechanism A2 comprises a gearbox 201 which is detachably arranged at the upper end of the slide carriage case 107, a servo motor A202 is arranged on the gearbox 201, the servo motor A202 is connected with the gearbox 201 through a synchronous belt transmission A203, and an output shaft 204 of the gearbox 201 is provided with the special milling cutter 4;
the milling mechanism B3 comprises a long rod cutter rest 301 which is detachably arranged at the upper end of the slide carriage box 107, a servo motor B302 is arranged at the upper end of the long rod cutter rest 301, a transmission shaft 303 is rotatably arranged at the center of the long rod cutter rest 301, one end of the transmission shaft 303 is connected with the servo motor B302 through a synchronous belt transmission B304, the other end of the transmission shaft 303 is connected with a commutator 305, and the special milling cutter 4 is arranged at the output end of the commutator 305;
the special milling cutter 4 comprises a cutter shank 401, a cutter body 402 and a cutting edge 403 which are integrally formed. According to the numerical control lathe, the tool rest of the numerical control lathe 1 is replaced by the milling mechanism A2 to machine the trapezoidal threads of the screw, the milling mechanism B3 is replaced by the milling mechanism B3 to machine the trapezoidal threads of the nut, design and production cost can be greatly saved, the numerical control lathe is simple in structure, technical performance is reliable, practicability is high, machining efficiency of the trapezoidal threads of the screw and the nut can be improved, product quality is improved, and working strength of operators is reduced. Milling mechanism A2 and milling mechanism B3 in this application can wholly dismantle the setting on carriage box 107, and later stage can also replace the knife rest according to the demand, satisfies different processing demands, realizes a tractor serves several purposes.
The numerical control lathe 1 comprises a lathe body 101, a headstock 102, a chuck 103, a tailstock 104, a screw transmission system 105 and a CTB numerical control system 106, wherein a carriage 107 is arranged on the screw transmission system 105. The CTB numerical control system performs unified control on the numerical control lathe 1, the milling mechanism A2 and the milling mechanism B3, so that in order to further improve the spindle control precision of the numerical control lathe 1, a spindle encoder with higher precision can be replaced, and a servo motor with higher transmission precision can be adopted for the screw transmission system 105 to drive a screw for transmission.
In practical application, different milling mechanisms A2 and B3 can be designed and manufactured for machining the screw and the nut of the press respectively, the corresponding milling mechanism A2 or B3 is fixed on the numerical control lathe 1 according to the type of the workpiece to be machined, and machining programs are programmed and machining parameters are set according to the structure and the size of the workpiece. Turning on the machine tool, enabling the main shaft to drive the workpiece to rotate at a set rotating speed, enabling the special milling cutter 4 on the milling mechanism A or the milling mechanism B to rotate at the set rotating speed, enabling the slide carriage box 107 to drive the milling mechanism A or the milling mechanism B to move transversely and longitudinally according to a machining program, enabling the special milling cutter 4 to feed and finish workpiece milling operation, and enabling the milling mechanism A2 and the milling mechanism B3 to be replaced by tool holders to achieve turning. The special milling cutter 4 is optimally designed according to the angle and the size of the trapezoidal threads of the workpiece, and the angle, the size and the number of cutting edges of the cutting edge are determined.
The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (2)
1. The special processing machine tool for the trapezoidal threads of the screw and the nut of the press machine is characterized by comprising a numerical control lathe, wherein an original tool rest on a slide carriage box in the numerical control lathe is replaced by a milling mechanism A or a milling mechanism B, the output ends of the milling mechanism A and the milling mechanism B are respectively provided with a special milling cutter, the milling mechanism A is used for processing the trapezoidal threads of the screw, and the milling mechanism B is used for processing the trapezoidal threads of the nut;
the milling mechanism A comprises a gearbox which is detachably arranged at the upper end of the slide carriage box, a servo motor A is arranged on the gearbox, the servo motor A is connected with the gearbox through a synchronous belt transmission A, and the special milling cutter is arranged on an output shaft of the gearbox;
the milling mechanism B comprises a long rod cutter rest which is detachably arranged at the upper end of the slide carriage box, a servo motor B is arranged at the upper end of the long rod cutter rest, a transmission shaft is rotatably arranged at the center of the long rod cutter rest, one end of the transmission shaft is connected with the servo motor B through a synchronous belt transmission B, the other end of the transmission shaft is connected with a commutator, and the output end of the commutator is provided with the special milling cutter;
the special milling cutter comprises a cutter handle, a cutter body and a cutter edge which are integrally formed.
2. The machine tool for machining trapezoidal threads of a press screw and a nut according to claim 1, wherein the numerically controlled lathe comprises a lathe bed, a headstock, a chuck, a tailstock, a screw transmission system and a CTB numerical control system, and the carriage is arranged on the screw transmission system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322208094.9U CN220591799U (en) | 2023-08-16 | 2023-08-16 | Special machine tool for trapezoidal threads of screw and nut of press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322208094.9U CN220591799U (en) | 2023-08-16 | 2023-08-16 | Special machine tool for trapezoidal threads of screw and nut of press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220591799U true CN220591799U (en) | 2024-03-15 |
Family
ID=90170168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322208094.9U Active CN220591799U (en) | 2023-08-16 | 2023-08-16 | Special machine tool for trapezoidal threads of screw and nut of press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220591799U (en) |
-
2023
- 2023-08-16 CN CN202322208094.9U patent/CN220591799U/en active Active
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