CN113523761B - Automatic spline aligning device for transmission shaft fixing joint - Google Patents
Automatic spline aligning device for transmission shaft fixing joint Download PDFInfo
- Publication number
- CN113523761B CN113523761B CN202110863382.0A CN202110863382A CN113523761B CN 113523761 B CN113523761 B CN 113523761B CN 202110863382 A CN202110863382 A CN 202110863382A CN 113523761 B CN113523761 B CN 113523761B
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- Prior art keywords
- fixed joint
- insertion hole
- hole
- clamping
- fixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
Abstract
The invention relates to the technical field of transmission shaft fixed joint assembly, in particular to an automatic spline aligning device for a transmission shaft fixed joint, which comprises: an end face of one end of the rotating seat is provided with an inserting hole for inserting the handle part of the fixed joint; the cushion block is detachably arranged in the insertion hole and is provided with a through hole for the fixed joint shank to pass through and be in contact fit with the fixed joint shank; the clasping mechanism is fixedly arranged on the rotating seat and telescopically extends into the inserting hole along the radial direction of the inserting hole, and is used for clamping the handle part of the fixed joint; and the driving mechanism drives the rotating seat to rotate around the axis of the insertion hole. Can adapt to full-automatic assembly line better to, when being applied to the fixed festival of different models, need not to change the spline seat like traditional manual assembly line, only need to change the cushion, combine to hold the flexible of mechanism tightly, can realize that the fixed festival of different models is fixed in the clamping on rotating the seat, and the remodeling process that has significantly reduced is consuming time, has avoided anchor clamps wearing and tearing.
Description
Technical Field
The invention relates to the technical field of transmission shaft fixing joint assembly, in particular to an automatic spline aligning device for a transmission shaft fixing joint.
Background
The constant speed transmission shaft is an important part for transmitting power in a transmission system of an automobile and has the function of transmitting the power of an engine to wheels so that the automobile generates driving force.
In constant velocity drive shafts, the fixed joint press-in is an important procedure for assembly. In the process of press-mounting a fixed joint and a shaft assembled by a constant-speed transmission shaft assembly, a shaft head spline at the fixed end of the shaft needs to be aligned and meshed with an internal star wheel spline of the fixed joint, and then press-mounting is carried out, wherein the process of the spline alignment is commonly called as 'thread rolling key'. When the spline is rubbed, the shaft is locked in the circumferential direction, the fixed joint rotates in the circumferential direction, and the spline is matched by the relative rotation of the shaft and the fixed joint.
In the actual production process, the spline seat of the conventional spline aligning mechanism needs to be replaced to adapt to different products in the spline aligning process of the transmission shaft fixing joint press-fitting process, the time consumed in the model replacing process is long, and the clamp is easy to wear and cannot adapt to a brand-new full-automatic assembly line.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic spline alignment device for a transmission shaft fixing joint, which can realize quick model change and better adapt to a full-automatic assembly line so as to overcome the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: an automatic spline alignment device for a transmission shaft fixed joint comprises: an end face of one end of the rotating seat is provided with an insertion hole for inserting the handle part of the fixed joint; the cushion block is detachably arranged in the insertion hole and is provided with a through hole for the handle part of the fixed joint to pass through and be in contact fit with the handle part of the fixed joint; the clamping mechanism is fixedly arranged on the rotating seat and telescopically extends into the insertion hole along the radial direction of the insertion hole, and is used for clamping the handle part of the fixed joint; and the driving mechanism drives the rotating seat to rotate around the axis of the insertion hole.
Preferably, the clasping mechanism comprises two groups of clasping assemblies which are oppositely arranged, and the two groups of clasping assemblies clamp the handle part of the fixed joint together on two sides of the handle part of the fixed joint.
Preferably, the rotating seat is provided with a mounting hole, the mounting hole radially penetrates through the hole wall of the insertion hole along the insertion hole, and the clasping assembly comprises a clamping block and a power part, wherein the clamping block is slidably arranged in the mounting hole, and the power part drives the clamping block to slide.
Preferably, the clasping assembly further comprises a mounting block, and the power member is mounted on the rotating seat through the mounting block.
Preferably, the clamping block is recessed towards one end face of the insertion hole to form a V-shaped surface.
Preferably, the power part is a telescopic part, the telescopic part is provided with a telescopic end, and the telescopic end is connected with the clamping block.
Preferably, the driving mechanism comprises a gear mounted on the rotating seat, a rack engaged with the gear, and a driving member driving the rack to move.
Compared with the prior art, the invention has the remarkable progress that:
according to the automatic spline aligning device for the fixed joint of the transmission shaft, the fixed joint handle part is positioned in the insertion hole of the rotating seat through the contact and matching of the fixed joint handle part and the cushion block through hole, the fixed joint handle part is extended out and clamped along the radial direction of the insertion hole through the clamping mechanism, the fixed joint is clamped and fixed on the rotating seat, the rotating seat is driven to rotate through the driving mechanism, the fixed joint is driven to rotate along with the rotating seat, the spline is automatically aligned with the spline, the automatic spline aligning process of the fixed joint and the shaft is realized, the assembling automation degree is greatly improved, the automatic spline aligning device can better adapt to a full-automatic assembly line, the spline seat does not need to be replaced like a traditional manual assembly line when the device is applied to fixed joints of different models, only the cushion block needs to be replaced, the clamping and fixing of the fixed joints of different models on the rotating seat can be realized by combining the extension and retraction of the clamping mechanism, the time consumption of the model replacing process is greatly reduced, and the abrasion of a clamp is avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of a transmission shaft fixing joint automatic spline alignment device according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of an automatic spline alignment device for a fixed joint of a transmission shaft according to an embodiment of the present invention.
Fig. 3 is a schematic view of a split structure of a clasping assembly and a rotating seat in the automatic spline alignment device for a transmission shaft fixing joint according to the embodiment of the present invention.
Wherein the reference numerals are as follows:
1. rotating seat
11. Plug-in mounting hole
12. Mounting hole
2. Cushion block
21. Through hole
22. Boss
3. Clasping mechanism
31. Clamping block
32. Power part
321. Telescopic end
33. Mounting block
4. Driving mechanism
41. Gear wheel
42. Rack bar
5. Base seat
6. Bearing assembly
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred apparatus or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 3, the transmission shaft fixing section of the present invention is an embodiment of an automatic spline-aligning device.
Referring to fig. 1 and 2, the automatic spline alignment device for the transmission shaft fixing section of the present embodiment includes a rotating base 1, a cushion block 2, a clasping mechanism 3, and a driving mechanism 4.
Wherein, an end face of one end of the rotating seat 1 is provided with an insertion hole 11, and preferably, the insertion hole 11 can axially penetrate through the rotating seat 1. The insertion hole 11 is used for inserting the fixed joint shank part, and the size of the insertion hole 11 is larger than that of the fixed joint shank part. The head block 2 is detachably mounted in the insertion hole 11 so that the head block 2 is replaceable. The cushion block 2 is provided with a through hole 21 for the shank of the fixed joint to pass through, and the through hole 21 is in contact fit with the shank of the fixed joint, that is, the shank of the fixed joint passes through the through hole 21 of the cushion block 2 when being inserted into the insertion hole 11 of the rotary seat 1 and is in contact fit with the wall of the through hole 21, thereby realizing the positioning of the shank of the fixed joint in the insertion hole 11 through the cushion block 2. The models of the cushion block 2 and the through hole 21 can be selectively changed according to the model of the assembled fixed joint so as to realize the positioning of the fixed joint shank parts of different models in the insertion hole 11.
The clasping mechanism 3 is fixedly arranged on the rotating seat 1, the clasping mechanism 3 can stretch into the insertion hole 11 in a telescopic manner along the radial direction of the insertion hole 11, and the clasping mechanism 3 is used for clamping the handle part of the fixed joint. When the clasping mechanism 3 extends out along the radial direction of the insertion hole 11 to be in pressure contact with the fixed joint shank, the clasping mechanism 3 is clamped and fixed with the fixed joint shank; when the clasping mechanism 3 retracts away from the fixed joint shank in the radial direction of the insertion hole 11, the clasping mechanism 3 releases the fixed joint shank.
The driving mechanism 4 drives the rotating seat 1 to rotate around the axis of the insertion hole 11, and when the clasping mechanism 3 and the fixed joint handle clamp are fastened, the rotating seat 1 rotates around the axis of the insertion hole 11 to drive the clasping mechanism 3, the cushion block 2 and the fixed joint to integrally rotate.
When in use, the fixed joint is placed in the automatic spline-aligning device of the transmission shaft fixed joint of the embodiment, the handle part of the fixed joint penetrates through the through hole 21 of the cushion block 2 and is inserted into the insertion hole 11 of the rotating seat 1, and the handle part of the fixed joint is positioned in the insertion hole 11 through the contact and matching of the handle part of the fixed joint and the through hole 21 of the cushion block 2; then, the clasping mechanism 3 extends out along the radial direction of the insertion hole 11 and clamps the handle part of the fixed joint to realize the clamping and fixing of the fixed joint on the rotating seat 1; and then the driving mechanism 4 drives the rotating seat 1 to rotate, so that the rotating seat 1 drives the fixed joint to rotate along with the fixed joint for spline rubbing, and the automatic spline alignment process of the fixed joint and the shaft is realized.
From this, the automatic spline device of counterpointing of transmission shaft fixed knot of this embodiment has improved assembly degree of automation by a wide margin, can adapt to full-automatic assembly line better to, when being applied to the fixed festival of different models, need not to change the spline seat like traditional manual assembly line, only need change cushion 2, combine the flexible of clasping mechanism 3, the fixed knot that can realize different models is fixed in the clamping of rotating on seat 1, and it is consuming time to have significantly reduced the remodelling process, has avoided anchor clamps wearing and tearing.
Referring to fig. 1 and 2, in the present embodiment, preferably, the cushion block 2 is an annular body having a through hole 21 formed therein and extending axially therethrough, one end of the annular body is inserted into the insertion hole 11 of the rotary seat 1 and is attached to a hole wall of the insertion hole 11, and a boss 22 engaged with an end surface of the rotary seat 1 extends from an outer circumferential surface of the other end of the annular body, thereby facilitating quick mounting and dismounting of the cushion block 2 on the rotary seat 1.
Referring to fig. 1 and 2, in the present embodiment, preferably, the clasping mechanism 3 comprises two oppositely arranged clasping assemblies, and the two clasping assemblies clamp the fixed joint shank together at two sides of the fixed joint shank. Therefore, the clamping and fixing stability of the clasping mechanism 3 to the fixed joint handle part can be ensured.
Preferably, referring to fig. 2 and 3, the rotating seat 1 is provided with a mounting hole 12, the mounting hole 12 penetrates through a wall of the insertion hole 11 along a radial direction of the insertion hole 11, and an axis of the mounting hole 12 is perpendicular to an axis of the insertion hole 11. The clasping assembly comprises a clamping block 31 and a power piece 32, the clamping block 31 can be arranged in the mounting hole 12 in a sliding manner along the axial direction of the mounting hole 12, the power piece 32 drives the clamping block 31 to slide in the mounting hole 12, and therefore the clasping mechanism 3 can stretch into the mounting hole 11 in a telescopic manner along the radial direction of the mounting hole 11.
Further, the clasping assembly also comprises a mounting block 33, and the power piece 32 is mounted on the rotating seat 1 through the mounting block 33. In this embodiment, the mounting block 33 is fixedly mounted on the outer peripheral surface of the rotating base 1 at a position corresponding to the mounting hole 12, the holding block 31 is disposed in the mounting hole 12, the power member 32 is fixedly mounted on a side surface of the mounting block 33 away from the mounting hole 12, and the driving end of the power member 32 movably penetrates through the mounting block 33 to be connected with the holding block 31.
Preferably, in the present embodiment, referring to fig. 3, an end surface of the clamping block 31 facing the insertion hole 11 of the rotary seat 1 is recessed to form a V-shaped surface, so that the clamping block 31 can better hold the shank of the fixed joint.
Preferably, in this embodiment, the power member 32 is a telescopic member having a telescopic end 321, the telescopic end 321 is connected to the holding block 31, and the holding block 31 is driven to slide in the mounting hole 12 of the rotary base 1 by the telescopic end 321. The form of the telescopic member is not limited, and may be, for example, a pneumatic or hydraulic cylinder or an electric push rod.
In this embodiment, two groups of tightening assemblies are provided, and accordingly, two mounting holes 12 are provided on the rotating base 1, and are respectively used for matching with the clamping blocks 31 of the two groups of tightening assemblies. Preferably, the axes of the two mounting holes 12 coincide and intersect perpendicularly with the axis of the insertion hole 11.
Referring to fig. 1 and 2, in the present embodiment, the driving mechanism 4 preferably includes a gear 41 mounted on the rotating base 1, a rack 42 engaged with the gear 41, and a driving member (not shown) for driving the rack 42 to move. The gear 41 is a cylindrical gear, fixedly mounted on the outer peripheral surface of the rotary seat 1 and coaxially arranged with the insertion hole 11 on the rotary seat 1. When the driving member drives the rack 42 to move along the tangential direction of the gear 41, the gear 41 is driven to rotate through the engagement between the rack 42 and the gear 41, so that the gear 41 drives the rotating seat 1 to rotate, and the driving mechanism 4 drives the rotating seat 1 to rotate around the axis of the insertion hole 11. The form of the driving member is not limited as long as the reciprocating movement of the driving rack 42 can be achieved.
Referring to fig. 1 and 2, the automatic spline-aligning apparatus for a fixed joint of a transmission shaft of the present embodiment may further include a base 5 for supporting the rotary base 1, and the rotary base 1 may be rotatably supported on the base 5 by a bearing 6.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides an automatic spline device of registering of transmission shaft fixed knot which characterized in that includes:
an end face of one end of the rotating seat (1) is provided with an insertion hole (11) for inserting the handle part of the fixed joint;
the cushion block (2) is detachably arranged in the insertion hole (11), and the cushion block (2) is provided with a through hole (21) for the handle part of the fixed joint to penetrate through and to be in contact fit with the handle part of the fixed joint;
the clamping mechanism (3) is fixedly arranged on the rotating seat (1) and telescopically extends into the insertion hole (11) along the radial direction of the insertion hole (11), the clamping mechanism (3) is used for clamping the fixed joint handle part, the clamping mechanism (3) comprises two groups of clamping components which are oppositely arranged, the two groups of clamping components jointly clamp the fixed joint handle part on two sides of the fixed joint handle part, the rotating seat (1) is provided with a mounting hole (12), the mounting hole (12) penetrates through the hole wall of the insertion hole (11) along the radial direction of the insertion hole (11), and the clamping components comprise clamping blocks (31) which are slidably arranged in the mounting hole (12) and power parts (32) which drive the clamping blocks (31) to slide; and
and the driving mechanism (4) drives the rotating seat (1) to rotate around the axis of the inserting hole (11).
2. The automatic spline-alignment device for the fixed joints of transmission shafts according to claim 1, wherein the clasping assembly further comprises a mounting block (33), and the power member (32) is mounted on the rotating seat (1) through the mounting block (33).
3. The automatic spline-aligning device for a propeller shaft fixing joint according to claim 1, wherein the holding block (31) is recessed to form a V-shaped surface toward one end surface of the insertion hole (11).
4. The automatic spline-aligning device for a fixed joint of a transmission shaft according to claim 1, wherein the power member (32) is a telescopic member having a telescopic end (321), and the telescopic end (321) is connected with the clamping block (31).
5. The automatic spline-aligning device for the fixed joints of transmission shafts according to claim 1, wherein the driving mechanism (4) comprises a gear (41) mounted on the rotating base (1), a rack (42) engaged with the gear (41), and a driving member for driving the rack (42) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863382.0A CN113523761B (en) | 2021-07-29 | 2021-07-29 | Automatic spline aligning device for transmission shaft fixing joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863382.0A CN113523761B (en) | 2021-07-29 | 2021-07-29 | Automatic spline aligning device for transmission shaft fixing joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113523761A CN113523761A (en) | 2021-10-22 |
| CN113523761B true CN113523761B (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110863382.0A Active CN113523761B (en) | 2021-07-29 | 2021-07-29 | Automatic spline aligning device for transmission shaft fixing joint |
Country Status (1)
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| CN (1) | CN113523761B (en) |
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| JPH02274437A (en) * | 1989-04-14 | 1990-11-08 | Ntn Corp | Building device for toothed part |
| CN207387191U (en) * | 2017-09-19 | 2018-05-22 | 佛山锋顺机械科技有限公司 | A kind of feeding tumbler |
| CN109702457A (en) * | 2017-10-26 | 2019-05-03 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of spline automatic engaging mechanism |
| CN212192899U (en) * | 2020-05-20 | 2020-12-22 | 扬州柯尼克机械科技有限公司 | Pipe fitting clamp for automatic press fitting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH05162029A (en) * | 1991-12-09 | 1993-06-29 | Mitsubishi Motors Corp | Equipment for press fitting spline shaft |
| US6935005B2 (en) * | 2001-03-06 | 2005-08-30 | The Timken Company | Installation of, a hub/bearing assembly for an automotive vehicle |
| CN201618948U (en) * | 2010-01-28 | 2010-11-03 | 上海纳铁福传动轴有限公司 | Fixed knot press-in device |
| CN203936592U (en) * | 2014-06-24 | 2014-11-12 | 杭州新松机器人自动化有限公司 | A kind of hold-fast body that press-fits assembling for shaft-like workpiece |
| CN106553053B (en) * | 2016-12-02 | 2019-01-25 | 洛阳郑大物联科技有限公司 | A kind of slip yoke and spline mandrel automatic pressing device |
| CN107150220B (en) * | 2017-06-06 | 2019-04-19 | 杭州新松机器人自动化有限公司 | A kind of constant velocity driving shaft movable joint assembly machine |
| CN107263154B (en) * | 2017-07-10 | 2024-01-19 | 河南鑫轴传动机械有限公司 | Horizontal boring machine fixing tool for boring lug holes of spline sliding forks of transmission shafts |
| CN210879375U (en) * | 2019-11-15 | 2020-06-30 | 申雕数控仿真技术(青岛)有限公司 | False tooth carving clamp |
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2021
- 2021-07-29 CN CN202110863382.0A patent/CN113523761B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02274437A (en) * | 1989-04-14 | 1990-11-08 | Ntn Corp | Building device for toothed part |
| CN207387191U (en) * | 2017-09-19 | 2018-05-22 | 佛山锋顺机械科技有限公司 | A kind of feeding tumbler |
| CN109702457A (en) * | 2017-10-26 | 2019-05-03 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of spline automatic engaging mechanism |
| CN212192899U (en) * | 2020-05-20 | 2020-12-22 | 扬州柯尼克机械科技有限公司 | Pipe fitting clamp for automatic press fitting machine |
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| CN113523761A (en) | 2021-10-22 |
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