CN212121979U - Processing frock of long-size external triangle screw thread - Google Patents
Processing frock of long-size external triangle screw thread Download PDFInfo
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- CN212121979U CN212121979U CN202020227583.2U CN202020227583U CN212121979U CN 212121979 U CN212121979 U CN 212121979U CN 202020227583 U CN202020227583 U CN 202020227583U CN 212121979 U CN212121979 U CN 212121979U
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Abstract
The utility model discloses a processing frock of long dimension external triangle screw thread, including the main part position sleeve, be equipped with slidable die installation cover in the main part position sleeve, the first elongated slot that axial extension that one side of main part position sleeve was equipped with set up, one side of die installation cover is equipped with the second elongated slot that axial extension set up, be equipped with on the first elongated slot and stretch into the locating pin to the second elongated slot in, round die is installed to the one end of die installation cover, one side of main part position sleeve outer wall is equipped with the flat position of knife rest installation. The utility model discloses a processing frock of long size external triangle screw thread belongs to screw thread processing technology field, can process longer size screw thread, and processing is convenient, easy operation; the purpose of ensuring the product quality can be achieved, the labor intensity is reduced, the working efficiency is improved, and the problems that the products are difficult to process and difficult to control the precision are solved.
Description
Technical Field
The utility model relates to a thread machining technique, more specifically say, it relates to a processing frock of long-size outer triangle screw thread.
Background
In the existing common horizontal lathe processing application, the external thread is a common processing object and is characterized in that a threading tool or a threading die is used for processing. However, when long external triangular threads are machined, the conventional die tool is too short in stroke and cannot be used, only a turning tool can be used for cutting, due to the characteristic that slender shafts are difficult to machine, problems such as vibration marks, large dimension errors, large thread pitch difference and the like are easily generated in the machining process, machining efficiency is low, and product quality is poor. The lathe tool is used for processing the long external triangular thread, the problems of vibration lines, large size error, large pitch difference and the like are easily generated in the processing process, the processing efficiency is low, and the product quality is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to some not enough of the above-mentioned of prior art, the utility model aims at providing a processing frock of long dimension outer triangular thread easy and simple to handle, efficient, adaptability is good.
In order to realize the above-mentioned purpose, the utility model provides a processing frock of outer triangle screw thread of long dimension, including the main part position sleeve, be equipped with in the main part position sleeve and can gliding die installation cover, one side of main part position sleeve is equipped with the first elongated slot that axial extension set up, one side of die installation cover is equipped with the second elongated slot that axial extension set up, be equipped with the locating pin that stretches into to the second elongated slot in the first elongated slot, the round die is installed to the one end of die installation cover, one side of main part position sleeve outer wall is equipped with the flat position of knife rest installation.
Further, the length dimension of the first long groove is larger than the length dimension of the second long groove.
Furthermore, the tool rest mounting flat position can be fixedly connected with a tool rest on a machine tool.
Furthermore, one end of the die mounting sleeve is provided with a positioning step matched with one end face of the main body positioning sleeve.
Furthermore, the inner cavity of the die mounting sleeve is of a stepped hole structure with two large ends and a small middle part, one end of the stepped hole structure is provided with a positioning hole matched with the outer wall of the round die, and the middle of the stepped hole structure is provided with a guide hole matched with the outer wall of the threaded shaft.
Advantageous effects
Compared with the prior art, the utility model discloses a processing frock of long-size outer triangle screw thread's beneficial effect as follows: the tool is arranged on a tool rest of a flat time-mounted turning tool, and then the purpose of processing long external triangular threads by using the dies is achieved by utilizing the characteristic that a die mounting sleeve can slide left and right and the characteristic that the tool rest can be adjusted; the long-size thread can be machined, the long-size external triangular thread is suitable for machining, machining is convenient, and operation is simple; the die is used for processing the long external triangular thread, so that the product quality can be ensured, the labor intensity is reduced, the working efficiency is improved, and the problems that the products are difficult to process and the precision is difficult to control are solved.
Drawings
Fig. 1 is a schematic structural view of the long external triangular thread processing tool of the present invention.
In the figure: 1. a main body positioning sleeve; 2. a die mounting sleeve; 3. a first elongated slot; 4. a second elongated slot; 5. positioning pins; 6. round dies; 7. a tool rest is provided with a flat position; 8. positioning a step; 9. a main shaft; 10. a threaded shaft; 11. And (4) a tip.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
The specific implementation manner of the utility model is as follows: as shown in fig. 1, the long external triangular thread machining tool comprises a main body positioning sleeve 1, a sliding threading die mounting sleeve 2 is arranged in the main body positioning sleeve 1, a first long groove 3 axially extending is formed in one side of the main body positioning sleeve 1, a second long groove 4 axially extending is formed in one side of the threading die mounting sleeve 2, a positioning pin 5 extending into the second long groove 4 is arranged on the first long groove 3, a round threading die 6 is mounted at one end of the threading die mounting sleeve 2, the round threading die 6 is fixed on the threading die mounting sleeve 2, and a tool rest mounting flat position 7 is arranged on one side of the outer wall of the main body positioning sleeve 1. The positioning pin 5 is a cylindrical pin, and is used for circumferentially limiting the tooth mounting sleeve 2 and the main body positioning sleeve 1, guiding and positioning through respective long grooves, and the positioning pin 5 can freely slide in the long grooves.
In the processing frock of long size external triangle screw thread, install the processing frock of long size external triangle screw thread on the knife rest of flat dress lathe tool, then utilize the characteristic that the die installation cover 2 of frock can the horizontal slip and the characteristic that the knife rest can the transposition, reach the purpose that uses the die to process out long size external triangle screw thread. In the processing tool for the long external triangular thread, a threaded shaft 10 on a main shaft 9 is inserted into a circular die 6, the main shaft 9 drives the threaded shaft 10 to rotate, the circular die 6 can turn threads on the threaded shaft 10 and drive a die mounting sleeve 2 to axially move, the moving distance of the die mounting sleeve 2 is equal to the sum of the length sizes of a first long groove 3 and a second long groove 4, and the long thread can be processed on the threaded shaft 10; the tool rest can be adjusted to the direction of the main shaft 9 to continuously machine the thread, the threaded shaft 10 does not need to be disassembled and assembled again, the tool rest is suitable for machining long-size external triangular threads, machining is convenient, and operation is simple; the die is used for processing the long external triangular thread, so that the product quality can be ensured, the labor intensity is reduced, the working efficiency is improved, and the problems that the products are difficult to process and the precision is difficult to control are solved.
In this embodiment, the length of the first long groove 3 is greater than the length of the second long groove 4, the length of the main body positioning sleeve 1 is greater than the length of the die mounting sleeve 2, and longer threads can be machined by making the length of the first long groove 3 greater than the length of the second long groove 4. Moreover, the length dimension of the first long groove 3 is larger than that of the second long groove 4, so that the sliding condition of the positioning pin 5 on the die mounting sleeve 2 can be observed conveniently, and the influence on machining caused by the clamping of the positioning pin 5 is avoided.
In the embodiment, the tool rest mounting flat position 7 can be fixedly connected with a tool rest on a machine tool, and the tool rest mounting flat position 7 can fix the tool rest on the tool rest like a common turning tool.
In this embodiment, one end of the die mounting sleeve 2 is provided with a positioning step 8 adapted to one end surface of the main body positioning sleeve 1.
In this embodiment, the inner cavity of the die mounting sleeve 2 is a stepped hole structure with two large ends and a small middle part, one end of the stepped hole structure is provided with a positioning hole matched with the outer wall of the round die 6, and the middle of the stepped hole structure is provided with a guide hole matched with the outer wall of the threaded shaft 10.
A method of machining a long external triangular thread, the method comprising the steps of:
s1, fixing a main body positioning sleeve 1 on a tool rest through a tool rest mounting flat position 7, then mounting a round die 6 in an inner hole of a die mounting sleeve 2, and carrying out circumferential limiting on the main body positioning sleeve 1 and the die mounting sleeve 2 through a positioning pin 5;
s2, during machining, a threaded shaft 10 on a main shaft 9 extends into the round die 6, the main shaft 9 drives the threaded shaft 10 to rotate, so that the round die 6 machines threads on a cylindrical surface of the threaded shaft 10, and the die mounting sleeve 2 moves towards the main shaft;
s3, after the positioning pin 5 slides from one end of the first long groove 3 and the other end of the second long groove 4, stopping the main shaft 9, moving the tool rest to enable the main body positioning sleeve 1 to move towards the main shaft direction, so as to reset the position of the positioning pin 5, and restarting the main shaft 9 to continue thread machining;
s4, the steps S2 and S3 are repeated until the thread machining is finished, and the step S3 is repeated to continuously increase the machining stroke of the tool so as to achieve the purpose of machining long external threads.
In the embodiment, the height and the center of the main body positioning sleeve 1 and the center of the die mounting sleeve 2 are ensured to be consistent with the center line of the lathe spindle by adding and subtracting gaskets.
In the present embodiment, when the position of the positioning pin 5 is reset, the positioning pin 5 is disposed at one end of the first long groove 3 and the second long groove 4 close to the spindle 9.
In this embodiment, when the threaded shaft 10 is mounted on the main shaft 9, the threaded shaft 10 is extended out of a small section of the clamping end of the main shaft 9 and is inserted into the round die 6 of the die mounting sleeve 2, and then the threaded shaft is extended out completely according to the length required for machining threads, and the movable center 11 is used for abutting against the right end of the threaded shaft 10 to start the main shaft 9 to machine the threads.
In this embodiment, the length of the first long slot 3 is greater than the length of the second long slot 4, the first long slot 3 is provided with a Y end point and a Y end point, and the second long slot 4 is provided with an H end point and an H end point; during the thread machining, the die mounting sleeve 2 moves in the direction of the main shaft 9, so that the positioning pin 5 slides from the H-end point to the H-end point of the first long groove 3 and slides from the Y-end point to the Y-end point of the second long groove 4.
In this embodiment, one end of the die mounting sleeve 2 is provided with a positioning step 8 adapted to one end face of the main body positioning sleeve 1, the inner cavity of the die mounting sleeve 2 is of a stepped hole structure with two large ends and a small middle part, one end of the stepped hole structure is provided with a positioning hole adapted to the outer wall of the round die 6, and the middle of the stepped hole structure is provided with a guide hole adapted to the outer wall of the threaded shaft 10.
The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.
Claims (5)
1. The utility model provides a processing frock of outer triangle screw thread of long dimension, its characterized in that includes main part position sleeve (1), be equipped with in main part position sleeve (1) and can gliding die installation cover (2), one side of main part position sleeve (1) is equipped with first elongated slot (3) that axial extension set up, one side of die installation cover (2) is equipped with second elongated slot (4) that axial extension set up, be equipped with on first elongated slot (3) and stretch into locating pin (5) in second elongated slot (4), round die (6) are installed to the one end of die installation cover (2), one side of main part position sleeve (1) outer wall is equipped with flat position (7) of knife rest installation.
2. The tooling for machining the long external triangular thread according to claim 1, wherein the length of the first long groove (3) is greater than the length of the second long groove (4).
3. The tooling for machining the long external triangular thread according to claim 1, wherein the tool rest mounting flat part (7) can be fixedly connected with a tool rest on a machine tool.
4. The tooling for machining the long external triangular thread according to claim 1, 2 or 3, wherein one end of the die mounting sleeve (2) is provided with a positioning step (8) matched with one end face of the main body positioning sleeve (1).
5. The long external triangular thread machining tool according to claim 4, wherein the inner cavity of the die mounting sleeve (2) is of a stepped hole structure with two large ends and a small middle part, one end of the stepped hole structure is provided with a positioning hole matched with the outer wall of the circular die (6), and the middle of the stepped hole structure is provided with a guide hole matched with the outer wall of the threaded shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020227583.2U CN212121979U (en) | 2020-02-28 | 2020-02-28 | Processing frock of long-size external triangle screw thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020227583.2U CN212121979U (en) | 2020-02-28 | 2020-02-28 | Processing frock of long-size external triangle screw thread |
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| Publication Number | Publication Date |
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| CN212121979U true CN212121979U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020227583.2U Active CN212121979U (en) | 2020-02-28 | 2020-02-28 | Processing frock of long-size external triangle screw thread |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496331A (en) * | 2020-02-28 | 2020-08-07 | 广西玉柴机器股份有限公司 | Machining tool and method for long external triangular threads |
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2020
- 2020-02-28 CN CN202020227583.2U patent/CN212121979U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496331A (en) * | 2020-02-28 | 2020-08-07 | 广西玉柴机器股份有限公司 | Machining tool and method for long external triangular threads |
| CN111496331B (en) * | 2020-02-28 | 2024-03-08 | 广西玉柴机器股份有限公司 | Machining tool and method for long-size external triangular threads |
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