CN213080817U - Three-jaw tool for lathing lock catch parts - Google Patents

Three-jaw tool for lathing lock catch parts Download PDF

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Publication number
CN213080817U
CN213080817U CN202021497805.9U CN202021497805U CN213080817U CN 213080817 U CN213080817 U CN 213080817U CN 202021497805 U CN202021497805 U CN 202021497805U CN 213080817 U CN213080817 U CN 213080817U
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China
Prior art keywords
positioning
jaw
tooling
tool
screws
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CN202021497805.9U
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Chinese (zh)
Inventor
熊学林
曹佩颖
龚俊
冯炎清
王凤龙
郑雷
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Changhe Aircraft Industries Group Co Ltd
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Changhe Aircraft Industries Group Co Ltd
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Abstract

The embodiment of the utility model discloses three-jaw frock of car processing hasp type part, include: the tool comprises a tool main body and a plurality of positioning screws; wherein, the one end of frock main part is provided with an open-ended constant head tank, is provided with the screw thread through-hole that is used for installing positioning screw on the trilateral of constant head tank for install a plurality of positioning screw on the constant head tank through screw thread through-hole along circumference, and install and fix a position the processing hasp part through constant head tank and a plurality of positioning screw. The embodiment of the utility model provides a it is lower to have solved the processing qualification rate that exists among the current car processing hasp process to and cause the problem of the overproof phenomenon of scrapping even easily.

Description

Three-jaw tool for lathing lock catch parts
Technical Field
The application relates to but not limited to the technical field of machining, especially indicates a three-jaw frock of car processing hasp class part.
Background
The helicopter lock catch is an important part arranged on the main hub of the helicopter, and the structure of the lock catch is complex and comprises an external thread surface with higher precision and smaller diameter. In the processing process of the lock catch part, the excircle of the thread part is processed to higher precision, and when the right-end thread and the polished rod part of the lock catch are machined, the four-jaw chuck is adopted for clamping, so that the processing reference of the process is difficult to be unified with the reference of the previous process and the next process, the accumulated error is larger, the size precision and the installation precision are seriously influenced, and the flight performance is also greatly influenced.
Due to the lack of corresponding processing technical experience, the processing efficiency is always low, the qualification rate is low when a new operator processes, and the problem of out-of-tolerance and even scrapping is easily caused, and the problem that out-of-tolerance product examination orders are often handled, so that many disadvantages are brought to the scientific research and production of companies, and the production progress pace of helicopters of the companies is severely restricted. In order to solve the above problems, the related art has conducted extensive exchanges and exploration, and finally found a good positioning method, and can perform post-processing detection based on the positioning.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the embodiment of the utility model provides a three-jaw frock of car processing hasp class part to the processing qualification rate that exists is lower in solving current car processing hasp process, and causes the problem of overproof or even disability phenomenon easily.
The embodiment of the utility model provides a three-jaw frock of car processing hasp type part, include: the tool comprises a tool main body and a plurality of positioning screws;
the tool main body is provided with a positioning groove with an opening at one end, thread through holes for installing positioning screws are formed in three sides of the positioning groove, the positioning screws are installed on the positioning groove in the circumferential direction through the thread through holes and installed on the positioning groove, and the positioning groove and the positioning screws are used for installing and positioning lock catch parts instead of machining the lock catch parts.
Optionally, in the three-jaw tool for turning the locking part, the positioning screws include two upper positioning screws, two lower positioning screws, and left/right positioning screws;
two symmetrical surfaces of the positioning groove are respectively provided with two threaded through holes for mounting two upper positioning screws and two lower positioning screws;
and one side surface positioned in the middle of the two symmetrical surfaces in the positioning groove is provided with a thread through hole for installing a left side positioning screw rod or a right side positioning screw rod.
Optionally, in the three-jaw tooling for turning the locking type part, two symmetrical surfaces of the positioning groove are parallel to each other, and the parallelism is greater than 0.02 mm.
Optionally, in the three-jaw tool for lathing the lock catch part, the tool body includes an integrated clamping portion and a positioning portion;
the clamping part is a cylinder, and the positioning part comprises a cylinder and a positioning groove, wherein the cylinder is integrally connected with the clamping part, and the positioning groove is formed in the end face of the cylinder.
Optionally, in the three-jaw tool for lathing the lock catch part, the diameter of the clamping part cylinder of the tool main body is smaller than that of the positioning part cylinder, so that a step surface is formed between the clamping part and the positioning part;
the clamping part is used for being clamped and installed on a three-jaw chuck of a machine tool and limiting the three-jaw tool through the step surface.
Optionally, in the three-jaw tooling for lathing the lock-type part, the lock-type part is placed in a positioning groove of the three-jaw tooling;
the three-jaw tool is used for adjusting the contact tightness degree of the end face of the positioning screw rod and the lock catch part through the screwing-in and screwing-out of the positioning screw rods.
Optionally, in the three-jaw tooling for lathing the lock catch type part, a theoretical center line of a substitute machining part of the installed lock catch type part is consistent with a center line of a clamping part of the three-jaw tooling.
The embodiment of the utility model provides a three-jaw tool for lathing lock catch parts, which adopts a pressing plate type tool and is provided with a positioning groove with an opening on one surface, and five positioning screws are arranged in the three directions of the positioning groove; by adopting the three-jaw tool, four surfaces of a blank of a lock catch type part can be arranged in the positioning groove, are adjusted and compressed by the positioning screws, so that the theoretical central line of the part to be processed is consistent with the central line of the clamping part of the three-jaw tool, and then the outer circular surface at the left side of the three-jaw tool is clamped by the three-jaw chuck. The utility model provides a simple structure of three-jaw frock among the technical scheme, compact, it is with low costs, realized that a clamping alignment just can process part excircle position, because part blank surface flatness error is less, so process a batch of parts and only need do appropriate adjustment to the screw rod, just can light fixed part, do not harm the part, convenient operation, greatly reduced the clamping difficult way, improved production efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.
Fig. 1 is a schematic structural diagram of clamping a lock catch part by using a four-jaw chuck in the prior art;
fig. 2 is a schematic structural view of a three-jaw tool for lathing lock-catch parts according to an embodiment of the present invention;
fig. 3 is a schematic view of an installation structure of the three-jaw tooling for turning the locking part according to the embodiment shown in fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The above background art has demonstrated that the problem that the prior four-jaw chuck clamping processing of lock catch type parts has large accumulated error and seriously affects the dimensional accuracy and the installation accuracy, etc.
Fig. 1 is a schematic structural view of a prior art four-jaw chuck for clamping a lock-type part, wherein an upper view of fig. 1 is a top view, and a lower view of fig. 1 is a front view. The position relation between a lock catch type part and a four-jaw chuck clamping part is shown in figure 1, and the part to be machined of the part is shown, the part needs to be clamped by the four-jaw chuck during machining, in addition, in the implementation process of machining by adopting the common four-jaw chuck clamping, the part needs to be aligned by a single piece before machining every time, the clamping tightness of each jaw of the four-jaw chuck of a machine tool and a part positioning surface is adjusted, the situation of unstable positioning is easy to occur, even when one surface is adjusted, the other surface is in loose contact, a plurality of repeated work is generated, the alignment precision is greater than 0.1mm, not only is the time for aligning each part spent, but also the condition that the machining reference of a previous milling worker and the reference of a subsequent numerical control procedure are unified is difficult to guarantee, the form and position tolerance is very large, and the out.
In order to solve the above problems, the related art has conducted extensive exchanges and searches, provides a good positioning method, and can perform post-processing detection based on the positioning.
The present invention provides that several specific embodiments below may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 2 is a schematic structural view of a three-jaw tooling for lathing lock-catch parts according to an embodiment of the present invention. The three-jaw frock of car processing hasp class part that this embodiment provided can include: the tool comprises a tool main body 1 and a plurality of positioning screws.
In the structure of the three-jaw tooling for lathing the lock catch part as shown in fig. 2, one end of the tooling body 1 is provided with a positioning groove 1a with an opening on one side, and three sides of the positioning groove 1a are provided with threaded through holes for installing positioning screws, so that the plurality of positioning screws are installed on the positioning groove 1a along the circumferential direction through the threaded through holes, and the lock catch part to be machined is installed and positioned through the positioning groove 1a and the plurality of positioning screws.
As shown in fig. 2, the positioning screws in the embodiment of the present invention include two upper positioning screws (e.g., upper positioning screw 2 and upper positioning screw 3 in fig. 2), two lower positioning screws (e.g., lower positioning screw 4 and upper positioning screw 5 in fig. 2), and left/right positioning screws 6.
Correspondingly, two symmetrical surfaces of the positioning groove 1a are respectively provided with two threaded through holes, the two symmetrical surfaces of the positioning groove 1a are an upper mounting surface and a lower mounting surface, the two threaded through holes in the upper mounting surface are used for respectively mounting an upper positioning screw rod and an upper positioning screw rod 3, and the two threaded through holes in the lower mounting surface are used for respectively mounting a lower positioning screw rod 4 and an upper positioning screw rod 5.
In addition, one side surface positioned in the middle of the two symmetrical surfaces in the positioning groove 1a is provided with a threaded through hole, the side surface is a side mounting surface and can be arranged on the left side or the right side of the upper and lower positioning surfaces, and the threaded through hole in the side mounting surface is used for mounting a left positioning screw or a right positioning screw.
It should be noted that, when the side surface is a left side mounting surface, the installed positioning screw is the left side positioning screw 6 (as shown in fig. 2); when the side surface is a right mounting surface, the mounted positioning screw is a right positioning screw, and is located at a symmetrical position of the left positioning screw 6 in fig. 2.
As shown in fig. 2, in the structure of the three-jaw tool, the tool body 1 includes an integrated clamping portion 1b and a positioning portion.
The embodiment of the utility model provides an in, the clamping portion 1b that is located 1 left end of frock main part can set up to the cylinder, and the location portion that is located 1 right-hand member of frock opens constant head tank 1a in order to install hasp type part blank. In practical application, two symmetrical surfaces (i.e., the upper mounting surface and the lower mounting surface) of the positioning groove 1a are parallel to each other, and the parallelism is greater than 0.02 mm.
Fig. 3 is a schematic view of an installation structure of the three-jaw tooling for turning the locking part according to the embodiment shown in fig. 2. The embodiment of the utility model provides an in 1b clamping part of frock main part is the cylinder, and links to each other with the three-jaw chuck of lathe, the location portion of frock main part 1 include with clamping part body coupling's cylinder with set up in the constant head tank 1a of cylinder terminal surface.
In practical application, the diameter of the cylindrical body of the clamping part 1b of the tool main body 1 is smaller than that of the cylindrical body of the positioning part, so that a step surface is formed between the clamping part 1b and the positioning part. Therefore, when the clamping part is clamped and arranged on the three-jaw chuck of the machine tool, the three-jaw tool can be limited through the step surface,
based on the utility model discloses the structure of the three-jaw frock of car processing hasp type part that above-mentioned embodiment provided, hasp type part blank can be placed in the constant head tank 1a of three-jaw frock, the embodiment of the utility model provides an in hasp type part blank can be for being greater than 0.1 millimeter's part to the plane degree through milling machine processing, its positioning accuracy is higher.
The embodiment of the utility model provides a three-jaw frock can be through the corresponding screw thread through-hole of the position that cooperatees with a plurality of positioning screw (including upside positioning screw 2, upside positioning screw 3, downside positioning screw 4, upside positioning screw 5 and left side/right side positioning screw 6) in the constant head tank 1a of frock location portion to through the degree of tightness of the terminal surface and the contact of hasp type part blank of the precession of above-mentioned a plurality of positioning screw and the screw-out adjustment positioning screw.
Adopt the embodiment of the utility model provides a three-jaw frock of car processing hasp type part, a batch part only need the alignment once, and the operation is simpler, convenient, and the alignment precision can reach 0.02mm, can guarantee the unity of upper and lower process benchmark, has both shortened the alignment time, can satisfy the requirement of position degree and straightness, all shape sizes of hanging down again, and the qualification rate improves to 100%, and efficiency has also obtained very big promotion.
The embodiment of the utility model provides a three-jaw tool for lathing lock catch parts, which adopts a pressing plate type tool and is provided with a positioning groove with an opening on one surface, and five positioning screws are arranged in the three directions of the positioning groove; by adopting the three-jaw tool, four surfaces of a blank of a lock catch type part can be arranged in the positioning groove, are adjusted and compressed by the positioning screws, so that the theoretical central line of the part to be processed is consistent with the central line of the clamping part of the three-jaw tool, and then the outer circular surface at the left side of the three-jaw tool is clamped by the three-jaw chuck.
The embodiment of the utility model provides a simple structure, compactness of three-jaw frock of car processing hasp type part, it is with low costs, realized that a clamping alignment just can process part excircle position, because part blank surface flatness error is less, so process a batch of parts and only need do appropriate adjustment to the screw rod, just can light fixed part, do not harm the part, convenient operation, greatly reduced the clamping difficult way, improved production efficiency.
Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. The utility model provides a three-jaw frock of car processing hasp type part which characterized in that includes: the tool comprises a tool main body and a plurality of positioning screws;
the tool main body is provided with a positioning groove with an opening at one end, thread through holes for installing positioning screws are formed in three sides of the positioning groove, the positioning screws are installed on the positioning groove in the circumferential direction through the thread through holes and installed on the positioning groove, and the positioning groove and the positioning screws are used for installing and positioning lock catch parts instead of machining the lock catch parts.
2. The three-jaw tooling for turning locking type parts according to claim 1, wherein the positioning screws comprise two upper positioning screws, two lower positioning screws and a left/right positioning screw;
two symmetrical surfaces of the positioning groove are respectively provided with two threaded through holes for mounting two upper positioning screws and two lower positioning screws;
and one side surface positioned in the middle of the two symmetrical surfaces in the positioning groove is provided with a thread through hole for installing a left side positioning screw rod or a right side positioning screw rod.
3. The three-jaw tooling for turning locking type parts according to claim 2, wherein two symmetrical surfaces of the positioning groove are parallel to each other, and the parallelism is greater than 0.02 mm.
4. The three-jaw tooling for turning the locking type parts according to claim 1, wherein the tooling main body comprises an integrated clamping part and a positioning part;
the clamping part is a cylinder, and the positioning part comprises a cylinder and a positioning groove, wherein the cylinder is integrally connected with the clamping part, and the positioning groove is formed in the end face of the cylinder.
5. The three-jaw tooling for turning the locking type parts according to claim 4, wherein the diameter of the clamping part cylinder of the tooling body is smaller than that of the positioning part cylinder, so that a step surface is formed between the clamping part and the positioning part;
the clamping part is used for being clamped and installed on a three-jaw chuck of a machine tool and limiting the three-jaw tool through the step surface.
6. The three-jaw tooling for turning the locking type parts according to any one of claims 1 to 4, wherein the locking type parts are placed in positioning grooves of the three-jaw tooling;
the three-jaw tool is used for adjusting the contact tightness degree of the end face of the positioning screw rod and the lock catch part through the screwing-in and screwing-out of the positioning screw rods.
7. The three-jaw tooling for turning the locking type parts according to claim 6, wherein the theoretical center line of the part to be machined of the installed locking type parts is consistent with the center line of the clamping part of the three-jaw tooling.
CN202021497805.9U 2020-07-24 2020-07-24 Three-jaw tool for lathing lock catch parts Active CN213080817U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021497805.9U CN213080817U (en) 2020-07-24 2020-07-24 Three-jaw tool for lathing lock catch parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021497805.9U CN213080817U (en) 2020-07-24 2020-07-24 Three-jaw tool for lathing lock catch parts

Publications (1)

Publication Number Publication Date
CN213080817U true CN213080817U (en) 2021-04-30

Family

ID=75626785

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021497805.9U Active CN213080817U (en) 2020-07-24 2020-07-24 Three-jaw tool for lathing lock catch parts

Country Status (1)

Country Link
CN (1) CN213080817U (en)

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