CN212858593U - Positioning and processing tool for spline transmission shaft - Google Patents
Positioning and processing tool for spline transmission shaft Download PDFInfo
- Publication number
- CN212858593U CN212858593U CN202021082014.XU CN202021082014U CN212858593U CN 212858593 U CN212858593 U CN 212858593U CN 202021082014 U CN202021082014 U CN 202021082014U CN 212858593 U CN212858593 U CN 212858593U
- Authority
- CN
- China
- Prior art keywords
- spline
- fixing plate
- shaft
- groove
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model relates to a positioning and processing tool for spline transmission shafts, which comprises a spline shaft and a tool, wherein the spline shaft is vertically detachably arranged on the tool, and comprises an internal spline groove, a positioning hole, a thread section, a key groove, a boss section and a smooth shaft section which are sequentially distributed; the tool comprises a bottom plate, pad feet and a fixing plate, wherein the pad feet are connected with two sides of the bottom plate through bolts, the fixing plate is connected between the pad feet on two sides through bolts, the fixing plate is located at the tops of the pad feet, a clamping hole used for fixing a spline shaft is formed in the middle of the fixing plate, and the clamping hole is connected with a key groove key; the thread section of the spline shaft is provided with a nut, and the nut and the boss section respectively abut against two opposite planes of the fixing plate. The utility model discloses a frock simple structure can make things convenient for the installation of integral key shaft and this frock to dismantle, guarantees the fixed effect of installation simultaneously, puts the position degree and the machining precision of integral key shaft in order to improve processing through this frock.
Description
Technical Field
The utility model relates to a transmission shaft processing technology field especially relates to a location processing frock of spline transmission shaft.
Background
In the prior art, a spline shaft is used as a mechanical transmission, and needs to be matched with a transmission gear shaft to achieve the effect of transmitting mechanical torque, the spline shaft and the transmission gear shaft are usually in spline connection, that is, an internal spline groove is formed at one end of the spline shaft, an external spline corresponding to the internal spline groove is formed on the surface of the transmission gear shaft, and the spline shaft and the transmission gear shaft are matched to keep synchronous rotation.
The spline shaft processing shown in fig. 1 needs to process a plurality of procedures such as a smooth shaft section, a key groove, an internal spline groove and a positioning hole perpendicular to the internal spline groove of the spline shaft, the existing processing mode is used for processing and forming by clamping the spline shaft through a machine tool, when the spline shaft is secondarily clamped, a workpiece is not easily aligned, so that the requirement of coaxiality of all sections of the spline shaft cannot be met, therefore, the alignment is needed by means of other auxiliary parts so as to consume long time, the production efficiency is low, and meanwhile, the forming precision of the internal spline groove cannot be guaranteed after broaching so as to meet the requirement of the installation precision of a transmission gear shaft.
The positioning machining tool for the spline transmission shaft is limited by the requirements of position degree and dimensional precision among all working procedures, the existing machining precision is low, and the machining requirement of a high-precision spline shaft is not met.
Disclosure of Invention
The utility model discloses a solve the unable well fixed problem of integral key shaft during discharge machining, provide a location processing frock of spline transmission shaft, can realize that the convenient installation of this frock and integral key shaft is dismantled, can carry out the outrigger to the spline shaft simultaneously, the discharge machining of deuterogamying is in order to reach good required precision.
In order to achieve the above object, the utility model adopts the following technical scheme:
a positioning and processing tool for a spline transmission shaft comprises a spline shaft and a tool, wherein the spline shaft is vertically detachably arranged on the tool and comprises an internal spline groove, a positioning hole perpendicular to the internal spline groove, a thread section, a key groove, a boss section and a smooth shaft section which are sequentially distributed;
the tool comprises a bottom plate, pad feet and a fixing plate, wherein the pad feet are connected with two sides of the bottom plate through bolts, the pad feet are of a plate-shaped structure, the fixing plate is connected between the pad feet on two sides through bolts, the fixing plate is positioned at the tops of the pad feet, a clamping hole used for fixing a spline shaft is formed in the middle of the fixing plate, and the clamping hole is connected with a key groove;
the thread section of the spline shaft is provided with a nut, and the nut and the boss section respectively abut against two opposite planes of the fixing plate.
Further, bottom plate, pad foot and fixed plate are rectangular plate shape, and the vertical setting of pad foot is on the bottom plate, the bottom plate area is greater than the fixed plate area, fixed plate and integral key shaft are the cross and distribute.
Further, the card hole runs through the fixed plate, and the card hole includes that the cross-section is circular shape ring portion and the cross-section is the slot part of rectangle, the slot part with the keyway position corresponds.
Further, the integral key shaft vertically passes ring portion joint is on the fixed plate, the keyway of spline groove with be provided with the parallel key between the slot part.
Furthermore, the boss section abuts against one plane of the fixing plate, the nut abuts against the other plane of the fixing plate, and the boss section and the nut end are opposite to each other up and down.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model has the advantages of reasonable design, bottom plate through setting up, fill up the connection combination of foot and fixed plate, constitute and be used for supporting the fixed frock of treating the integral key shaft, frock simple structure, it is convenient and stable high to install, the integral key shaft passes the card hole, and through flat key with keyway and slot part joint, in order to reach the purpose of restricting its radial rotation, strengthen the radial fixed effect to the integral key shaft, simultaneously through screwing of nut can not axial displacement in order to guarantee the integral key shaft, prevent to appear the skew in electrical discharge machining, guarantee the axiality, improve its machining precision.
The utility model discloses a spacing mode of nut and parallel key can make things convenient for the installation of integral key shaft and this frock to dismantle, easy operation can guarantee the fixed effect of installation simultaneously, puts the position degree and the machining precision of integral key shaft in order to improve processing through this frock.
Drawings
Fig. 1 is the utility model discloses a integral key shaft shaping structure sketch map of spline transmission shaft's location processing frock.
Fig. 2 is a front view of the utility model discloses a frock of location processing frock of spline transmission shaft.
Fig. 3 is a plan view of the utility model discloses a location processing frock of spline transmission shaft's frock.
Fig. 4 is a schematic view of step 2 in the embodiment of the positioning and processing tool for spline transmission shaft of the present invention.
Fig. 5 is a schematic view of steps 3-4 in an embodiment of the positioning and processing tool for spline transmission shafts according to the present invention.
The reference numbers in the drawings are as follows: 1 is the internal spline groove, 2 is the locating hole, 3 is the screw thread section, 4 is the keyway, 5 is the boss section, 6 is the optical axis section, 7 is the bottom plate, 8 is for filling up the foot, 9 is the fixed plate, 10 is the card hole, 101 is the ring portion, 102 is the slot part, 11 is the nut, 12 is the flat key, 13 is the excircle electrode, 14 is the internal spline electrode.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:
as shown in fig. 1 to 5, the positioning and processing tool for the spline transmission shaft comprises a spline shaft and a tool, wherein the spline shaft is vertically detachably arranged on the tool and comprises an internal spline groove 1, a positioning hole 2, a thread section 3, a key groove 4, a boss section 5 and a smooth shaft section 6 which are sequentially distributed;
the tool comprises a bottom plate 7, pad feet 8 and a fixing plate 9, wherein the pad feet 8 are connected with two sides of the bottom plate 7 through bolts, the pad feet 8 are of plate-shaped structures, the fixing plate 9 is connected between the pad feet 8 on two sides through bolts, the fixing plate 9 is positioned at the tops of the pad feet 8, a clamping hole 10 used for fixing a spline shaft is formed in the middle of the fixing plate 9, and the clamping hole 10 is connected with a key groove 4 in a key mode;
the threaded section 3 of the spline shaft is provided with a nut 11, and the nut 11 and the boss section 5 respectively abut against two opposite planes of the fixing plate 9.
In this embodiment, bottom plate 7, pad foot 8 and fixed plate 9 are rectangular plate-like, and the vertical setting of pad foot 8 is on bottom plate 7, bottom plate 7 area is greater than fixed plate 9 area to guarantee the stability that this frock was placed, fixed plate 9 and integral key shaft are the cross and distribute, and the integral key shaft is vertical distribution.
In this embodiment, the fastening hole 10 penetrates through the fixing plate 9, the fastening hole 10 includes a ring portion 101 with a circular cross section and a groove portion 102 with a rectangular cross section, the groove portion 102 corresponds to the key groove 4 in position, specifically, the spline shaft vertically penetrates through the ring portion 101 to be fastened on the fixing plate 9, and a flat key 12 is arranged between the key groove 4 of the spline groove 4 and the groove portion 102;
the flat key 12 is clamped between the key groove 4 and the groove part 102, so that the spline shaft can be prevented from radially rotating during processing, and the stability of the spline shaft is ensured.
In this embodiment, the boss section 5 abuts against one plane of the fixing plate 9, the nut 11 abuts against the other plane of the fixing plate 9, and the end positions of the boss section 5 and the nut 11 are opposite up and down; the spline shaft is limited by the boss section 5 and the nut 11, so that the spline shaft is prevented from moving axially, and the stability of the spline shaft is ensured.
Still be provided with excircle electrode 13 and internal spline electrode 14 in this embodiment, both cooperate the electrical discharge machining equipment and further carry out electrical discharge machining to the spline shaft, and the concrete processing step is as follows:
step 1: clamping a spline shaft to be processed on a machine tool, and turning an outer circle and threads of the spline shaft by the machine tool to form a thread section 3 and a milling key groove 4;
step 2: after the spline shaft is detached from the machine tool, the to-be-processed optical axis section 6 of the spline shaft is placed in the clamping hole 10 of the fixing plate 9 upwards, the spline groove 4 and the groove part 102 are clamped through the flat key 12 to limit the radial rotation of the spline shaft, at the moment, the nut 11 is screwed on the thread section 3, the spline shaft is limited by the boss section 5 and the nut 11 to prevent the spline shaft from axially moving, and the spline shaft can be fixed on the tool;
at this time, the outer circle electrode 13 is installed on the discharge device, and the optical axis segment 6 is finely processed by the outer circle electrode 13, as shown in fig. 4;
and step 3: after finishing the finish machining of the smooth shaft section 6, taking down the spline shaft from the tool, and then placing the internal spline groove 1 to be machined in the clamping hole 10 of the fixing plate 9 in an upward mode, wherein the installation and fixing modes of the spline shaft are the same as those in the step 2, and the details are not repeated;
at this time, the internal spline electrode 14 is installed on the discharge equipment, and the internal spline groove 1 is subjected to finish machining through the internal spline electrode 14, as shown in fig. 5;
and 4, step 4: and (6) drilling a positioning hole 2.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (5)
1. The positioning and processing tool for the spline transmission shaft is characterized by comprising a spline shaft and a tool, wherein the spline shaft is vertically detachably arranged on the tool and comprises an internal spline groove (1), a positioning hole (2) perpendicular to the internal spline groove (1), a thread section (3), a key groove (4), a boss section (5) and a smooth shaft section (6) which are sequentially distributed;
the tool comprises a bottom plate (7), pad feet (8) and a fixing plate (9), wherein the pad feet (8) are connected to two sides of the bottom plate (7) through bolts, the pad feet (8) are of a plate-shaped structure, the fixing plate (9) is connected between the pad feet (8) on two sides through bolts, the fixing plate (9) is located at the tops of the pad feet (8), a clamping hole (10) for fixing the spline shaft is formed in the middle of the fixing plate (9), and the clamping hole (10) is connected with the key groove (4) in a key mode;
the nut (11) is arranged on the thread section (3) of the spline shaft, and the nut (11) and the boss section (5) respectively abut against two opposite planes of the fixing plate (9).
2. The positioning and processing tool for the spline transmission shaft according to claim 1, wherein the bottom plate (7), the pad feet (8) and the fixing plate (9) are all rectangular plate-shaped, the pad feet (8) are vertically arranged on the bottom plate (7), the area of the bottom plate (7) is larger than that of the fixing plate (9), and the fixing plate (9) and the spline shaft are distributed in a cross shape.
3. The positioning and processing tool for the spline transmission shaft according to claim 1, wherein the clamping hole (10) penetrates through the fixing plate (9), the clamping hole (10) comprises a ring part (101) with a circular cross section and a groove part (102) with a rectangular cross section, and the groove part (102) corresponds to the key groove (4) in position.
4. The positioning and processing tool for the spline transmission shaft according to claim 3, wherein the spline shaft vertically penetrates through the ring part (101) to be clamped on the fixing plate (9), and a flat key (12) is arranged between the spline groove (4) of the spline groove (4) and the groove part (102).
5. The positioning and processing tool for the spline transmission shaft according to claim 1, wherein the boss section (5) abuts against one plane of the fixing plate (9), the nut (11) abuts against the other plane of the fixing plate (9), and the boss section (5) and the nut (11) are opposite to each other in end positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021082014.XU CN212858593U (en) | 2020-06-12 | 2020-06-12 | Positioning and processing tool for spline transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021082014.XU CN212858593U (en) | 2020-06-12 | 2020-06-12 | Positioning and processing tool for spline transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212858593U true CN212858593U (en) | 2021-04-02 |
Family
ID=75209313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021082014.XU Active CN212858593U (en) | 2020-06-12 | 2020-06-12 | Positioning and processing tool for spline transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212858593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383404A (en) * | 2022-08-17 | 2022-11-25 | 成都飞机工业（集团）有限责任公司 | Earring bolt machining method |
-
2020
- 2020-06-12 CN CN202021082014.XU patent/CN212858593U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383404A (en) * | 2022-08-17 | 2022-11-25 | 成都飞机工业（集团）有限责任公司 | Earring bolt machining method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108480923B (en) | Method for precisely machining large thin-wall revolving body part | |
| CN212858593U (en) | Positioning and processing tool for spline transmission shaft | |
| CN203509160U (en) | Keyway milling fixture for internal spline | |
| CN202200046U (en) | Four-wheel center rest for machining core rod | |
| CN105014440A (en) | Part machining device | |
| CN103600105B (en) | Three axles of adjustable center distance bore | |
| CN201792056U (en) | Rotary tapping clamp | |
| CN202278398U (en) | Positioning device used for lathing lug boss of planet carrier gear | |
| CN103551853A (en) | Drum wheel machine tool | |
| CN201613482U (en) | Indexing die plate for processing large-scale shaft part | |
| CN207982470U (en) | A kind of chasing bar for internal thread machining | |
| CN205111322U (en) | Broaching machine tool | |
| CN110303355B (en) | Cylindrical workpiece lateral turning tool and processing method | |
| CN210412610U (en) | Internal expansion type multifunctional indexing chuck | |
| CN204496289U (en) | Dimensional orientation regulating device | |
| CN216882777U (en) | Automobile-used anchor clamps of shaft groove of shifting | |
| CN221232279U (en) | Novel super-large high-precision static pressure workbench splicing structure | |
| CN112276145A (en) | Machining and positioning device and method for holes in opposite positions of two end faces of large slender shaft | |
| CN220805749U (en) | Gear chamfering is with fixed frock | |
| CN213104900U (en) | Gear shaft processing clamping structure | |
| CN110524060A (en) | A kind of method and device using CNC milling machine processing duplicate gear | |
| CN201769085U (en) | Gear grinding machine fixture device | |
| CN202861555U (en) | Large shaft gear shaping tool | |
| CN217701682U (en) | Alloy screw tap with centering device | |
| CN216680337U (en) | Processing tool for consistency of corresponding precise-distribution holes of parallel surfaces of composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |