CN210435788U - Automatic centering locking tool for rocker arm of automobile engine - Google Patents
Automatic centering locking tool for rocker arm of automobile engine Download PDFInfo
- Publication number
- CN210435788U CN210435788U CN201921535881.1U CN201921535881U CN210435788U CN 210435788 U CN210435788 U CN 210435788U CN 201921535881 U CN201921535881 U CN 201921535881U CN 210435788 U CN210435788 U CN 210435788U
- Authority
- CN
- China
- Prior art keywords
- locking
- plate
- mounting plate
- centering
- pull rod
- 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
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses an automatic centering locking tool for a rocker arm of an automobile engine, which comprises a four-axis machine table, a four-axis tailstock and a mounting plate, wherein two ends of the mounting plate are respectively connected to the four-axis machine table and the four-axis tailstock; a plurality of groups of centering locking assemblies are arranged on the mounting plate in parallel; the centering locking assembly comprises a support plate, a hydraulic oil cylinder and a spring chuck, wherein the support plate is vertically arranged on one side of the mounting plate in parallel; a pull rod of the hydraulic oil cylinder penetrates through the support plate and the spring chuck, and the other end of the pull rod is provided with a locking buckle through a locking block; the inner hole of the collet chuck is in a round table shape, the pull rod is sleeved with a push block which coaxially corresponds to the round table-shaped inner hole of the collet chuck, the push block is positioned between the locking buckle and the collet chuck, and an elastic body is arranged between the end part of the push block and the collet chuck. The utility model discloses a have centering precision height and the efficient advantage of locking, can effectually satisfy machining center's high-efficient high accuracy processing requirement.
Description
Technical Field
The utility model relates to an automobile parts processing technology field, in particular to automobile engine rocking arm self-centering locking frock.
Background
In the engine rocker arm of the automobile parts shown in fig. 1 and 2, a center hole 11, a first side hole 12 and a second side hole 13 are machined in a rocker arm body 10 by a lathe, and then the rest parts are formed in the machined center. The working principle of the machining center is that a main shaft rotates, a workpiece does not rotate or swings to be positioned at an angle, and due to the fact that the shape of an engine rocker arm is special, a conventional positioning tool cannot achieve rapid and efficient positioning, a special automatic centering locking tool for the automobile engine rocker arm needs to be developed to be used for the machining center to perform centering locking.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an automatic centering locking tool for a rocker arm of an automobile engine, which comprises a four-axis machine table, a four-axis tailstock and a mounting plate, wherein the driving end of the mounting plate is connected to the four-axis machine table, and the driven end of the mounting plate is connected to the four-axis tailstock through a tailstock turntable; a plurality of groups of centering locking assemblies are arranged on the mounting plate in parallel;
the centering locking assembly comprises a support plate, a hydraulic oil cylinder and a spring chuck, wherein the support plate is vertically arranged on one side of the mounting plate in parallel; a pull rod of the hydraulic oil cylinder penetrates through the support plate and the spring chuck, and the other end of the pull rod is provided with a locking buckle through a locking block;
the inner hole of the collet chuck is in a round table shape, a push block which coaxially corresponds to the round table-shaped inner hole of the collet chuck is sleeved on the pull rod, the push block is located between the locking buckle and the collet chuck, and an elastic body is arranged between the end part of the push block and the collet chuck.
The pull rod is further fixedly sleeved with a fixing plate located between the locking buckle and the push block, and a spring washer sleeved on the pull rod is arranged between the fixing plate and the push block.
The spring chuck is characterized in that a blowing support column positioned outside the spring chuck is further arranged on one side, positioned on the spring chuck, of the support plate, a blowing hole is formed in the blowing support column, and a blowing channel communicated to the blowing hole is formed in the support plate.
And one side of the support plate, which is positioned on the spring chuck, is also provided with an auxiliary positioning column corresponding to the first workpiece side hole.
The other side of the mounting plate is provided with support assemblies in parallel one-to-one correspondence with the centering locking assemblies; the supporting assembly comprises a mounting seat fixed on the other side of the mounting plate, an air cylinder arranged on the side edge of the mounting seat, a wedge-shaped push rod arranged in the mounting seat and driven by the air cylinder, and an auxiliary supporting column penetrating through the mounting seat and the mounting plate and extending out of one side of the mounting plate to correspond to a second workpiece side hole; the push rod and the auxiliary supporting column are perpendicularly arranged in a crossed mode, and a wedge-shaped inclined plane matched with the push rod wedge-shaped inclined plane is arranged at one end of the auxiliary supporting column.
Through the technical scheme, the utility model discloses a set up the pull rod that passes the work piece centre bore to and corresponding collet chuck and ejector pad, after the work piece of packing into, drive pull rod pulling wedge inclined plane matched with ejector pad and collet chuck relative motion through hydraulic cylinder, thereby make the elastomer outwards open collet chuck and follow the inboard of work piece centre bore with work piece centering and tensioning through ejector pad compression elastomer, it has the efficient advantage of centering precision height and locking, can effectually satisfy machining center's high-efficient high accuracy processing requirement.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIGS. 1 and 2 are schematic top and side views, respectively, of a vehicle engine rocker arm machined by a lathe;
fig. 3 is a schematic view of a three-dimensional structure of the locking tool disclosed in the embodiment of the present invention;
fig. 4 is a schematic top view of the locking tool according to the embodiment of the present invention;
fig. 5 and 6 are schematic structural views of a centering locking assembly structure and a rocker arm centering locking structure according to an embodiment of the present invention;
fig. 7 is a schematic structural view of the supporting assembly for centering and locking the rocker arm according to the embodiment of the present invention.
The figures in the drawings represent:
10. rocker arm body 11, central hole 12, side hole I
13. Four-axis machine 200, four-axis tailstock with two 100 side holes
210. Tailstock turntable 300, mounting plate 400, centering and locking assembly
410. Hydraulic oil cylinder 420, supporting plate 421 and air blowing flow channel
422. Blowing support column 430, pull rod 431 and locking block
440. Spring clamp 450, push block 460 and spring washer
461. Fixing plate 470, locking buckle 480 and auxiliary positioning column
500. Support assembly 510, mounting seat 520, cylinder
521. Push rod 530 auxiliary support column
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 3 and 4, the present invention provides an automatic centering locking tool for a rocker arm of an automobile engine, including a four-axis machine 100, a four-axis tailstock 200 and a mounting plate 300, wherein a driving end of the mounting plate 300 is connected to the four-axis machine 100, and a driven end of the mounting plate is connected to the four-axis tailstock 200 through a tailstock turntable 210; the mounting plate 300 is provided with a plurality of centering locking assemblies 400 and a plurality of supporting assemblies 500 corresponding to the centering locking assemblies one by one.
Referring to fig. 5, the centering and locking assembly 400 includes a support plate 420 mounted side-by-side vertically on one side of the mounting plate 300, a hydraulic cylinder 410 mounted on one side of the support plate 420, and a collet 440 mounted on the other side of the support plate 420; a pull rod 430 of the hydraulic cylinder 410 penetrates through the support plate 420 and the spring clamp 440, and the other end of the pull rod is provided with a locking buckle 470 through a locking block 431; the inner hole of the collet chuck 440 is in a circular truncated cone shape, the pull rod 430 is sleeved with a push block 450 coaxially corresponding to the circular truncated cone-shaped inner hole of the collet chuck 440, the push block 450 is positioned between the locking buckle 470 and the collet chuck 440, and an elastic body is arranged between the end part of the push block 450 and the collet chuck 440; a fixed plate 461 positioned between the locking buckle 470 and the pushing block 450 is fixedly sleeved on the pull rod 430, and a spring washer 460 sleeved on the pull rod 430 is arranged between the fixed plate 461 and the pushing block 450; a blowing support column 422 positioned outside the collet chuck 440 is further arranged on one side of the support plate 420 positioned on the collet chuck 440, the blowing support column 422 is provided with a blowing hole, and the inside of the support plate 420 is provided with a blowing channel 421 communicated with the blowing hole; the supporting plate 420 is further provided with an auxiliary positioning column 480 corresponding to the first workpiece edge hole 12 on one side of the collet 440.
Referring to fig. 7, the other side of the mounting plate 300 is juxtaposed with the supporting members 500 corresponding to the centering and locking members 400 one to one; the supporting assembly 500 comprises a mounting seat 510 fixed at the other side of the mounting plate 300, an air cylinder 520 arranged at the side of the mounting seat 510, a wedge-shaped push rod 521 arranged inside the mounting seat 510 and driven by the air cylinder 520, and an auxiliary supporting column 530 penetrating through the mounting seat 510 and the mounting plate 300 and extending to one side of the mounting plate 300 to correspond to the second workpiece side hole 13; the push rod 521 is vertically crossed with the auxiliary supporting column 530, and one end of the auxiliary supporting column 530 is provided with a wedge-shaped inclined surface matched with the wedge-shaped inclined surface of the push rod 521.
Before the workpiece is loaded, the residual workpiece burrs on the surface of the tool are removed through the air blowing holes of the air blowing support columns 422, then the center hole 11 of the rocker arm body 10 is aligned with the telescopic shaft coarse positioning of the hydraulic oil cylinder 410, meanwhile, the auxiliary positioning columns 480 on the side edges are used for carrying out the azimuth auxiliary positioning corresponding to the first side holes 12 to ensure that the positioning direction of the workpiece is correct, then the pull rod 430 is aligned with the center hole 11 to pass through and is locked with the hydraulic oil cylinder 410, then the pull rod 430 is driven by the hydraulic oil cylinder 410 to drive the fixing plate 461 and the locking buckle 470 to press downwards, so that the pull rod 430 is driven by the hydraulic oil cylinder 410 to pull the push block 450 matched with the wedge-shaped inclined plane to move relative to the collet 440, the collet 440 is outwards opened by the elastic body through the compression of the push block 450 and the workpiece is centered and tensioned from the inner side of the center hole 11 of, when the pull rod 430 is further pulled, the spring washer 460 is compressed through the fixing plate 461 to realize the offset with the tension force and enable the locking buckle 470 to complete the workpiece locking from the side, then the cylinder 520 drives the push rod 521 to lift the auxiliary supporting column 530 and perform the auxiliary positioning corresponding to the second side hole 13 to relieve the tool shake caused by the overlarge processing stress area, so as to complete the rapid and accurate centering locking of the rocker arm, and then the motor of the four-axis machine 100 drives the mounting plate 300 to rotate by taking the tailstock turntable 210 as the reference, so as to realize the efficient and high-accuracy processing of the workpiece on the processing center.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The automatic centering and locking tool for the rocker arm of the automobile engine is characterized by comprising a four-axis machine table, a four-axis tailstock and an installation plate, wherein the driving end of the installation plate is connected to the four-axis machine table, and the driven end of the installation plate is connected to the four-axis tailstock through a tailstock rotary table; a plurality of groups of centering locking assemblies are arranged on the mounting plate in parallel;
the centering locking assembly comprises a support plate, a hydraulic oil cylinder and a spring chuck, wherein the support plate is vertically arranged on one side of the mounting plate in parallel; a pull rod of the hydraulic oil cylinder penetrates through the support plate and the spring chuck, and the other end of the pull rod is provided with a locking buckle through a locking block;
the inner hole of the collet chuck is in a round table shape, a push block which coaxially corresponds to the round table-shaped inner hole of the collet chuck is sleeved on the pull rod, the push block is located between the locking buckle and the collet chuck, and an elastic body is arranged between the end part of the push block and the collet chuck.
2. The automatic centering and locking tool for the rocker arm of the automobile engine as claimed in claim 1, wherein a fixing plate located between the locking buckle and the pushing block is further fixedly sleeved on the pull rod, and a spring washer sleeved on the pull rod is arranged between the fixing plate and the pushing block.
3. The automatic centering and locking tool for the rocker arm of the automobile engine as claimed in claim 1, wherein a blowing support pillar located outside the collet chuck is further arranged on one side of the support plate located on the collet chuck, the blowing support pillar is provided with a blowing hole, and a blowing channel communicated with the blowing hole is arranged inside the support plate.
4. The automobile engine rocker arm automatic centering locking tool according to claim 1, wherein an auxiliary positioning column corresponding to the first workpiece side hole is further arranged on one side, located on the spring chuck, of the supporting plate.
5. The automatic centering and locking tool for the rocker arm of the automobile engine according to claim 1, wherein support assemblies in one-to-one correspondence with the centering and locking assemblies are arranged on the other side of the mounting plate in parallel; the supporting assembly comprises a mounting seat fixed on the other side of the mounting plate, an air cylinder arranged on the side edge of the mounting seat, a wedge-shaped push rod arranged in the mounting seat and driven by the air cylinder, and an auxiliary supporting column penetrating through the mounting seat and the mounting plate and extending out of one side of the mounting plate to correspond to a second workpiece side hole; the push rod and the auxiliary supporting column are perpendicularly arranged in a crossed mode, and a wedge-shaped inclined plane matched with the push rod wedge-shaped inclined plane is arranged at one end of the auxiliary supporting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921535881.1U CN210435788U (en) | 2019-09-16 | 2019-09-16 | Automatic centering locking tool for rocker arm of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921535881.1U CN210435788U (en) | 2019-09-16 | 2019-09-16 | Automatic centering locking tool for rocker arm of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210435788U true CN210435788U (en) | 2020-05-01 |
Family
ID=70410817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921535881.1U Active CN210435788U (en) | 2019-09-16 | 2019-09-16 | Automatic centering locking tool for rocker arm of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210435788U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112318121A (en) * | 2020-10-19 | 2021-02-05 | 台州威德隆机械有限公司 | Multi-station special machine and machining method thereof |
| CN112318205A (en) * | 2020-10-19 | 2021-02-05 | 陈守志 | Tool clamp of multi-station special machine and clamping control method thereof |
-
2019
- 2019-09-16 CN CN201921535881.1U patent/CN210435788U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112318121A (en) * | 2020-10-19 | 2021-02-05 | 台州威德隆机械有限公司 | Multi-station special machine and machining method thereof |
| CN112318205A (en) * | 2020-10-19 | 2021-02-05 | 陈守志 | Tool clamp of multi-station special machine and clamping control method thereof |
| CN112318205B (en) * | 2020-10-19 | 2021-07-20 | 台州威德隆机械有限公司 | Tool clamp of multi-station special machine and clamping control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210435788U (en) | Automatic centering locking tool for rocker arm of automobile engine | |
| CN106624923B (en) | A kind of multiple-azimuth automobile spoke turnery processing special tooling | |
| CN202021476U (en) | Automobile connecting rod fine boring jig | |
| CN102699715B (en) | Clamping device | |
| CN215146282U (en) | Base part welding position clamping device | |
| CN211305089U (en) | Gear grinding clamp for cylindrical gear with taper hole | |
| CN201151069Y (en) | Clamper for grinding taper hole of lathe spindle | |
| CN211890388U (en) | Cylinder honing fixture | |
| CN217394672U (en) | Pneumatic floating center chuck | |
| CN110561142A (en) | automatic centering and clamping mechanism for workbench | |
| CN113732774B (en) | Quick clamping location frock | |
| CN201399695Y (en) | Automotive clamp of rear hub axle | |
| CN211438187U (en) | Special drilling equipment of wheel hub | |
| CN210414257U (en) | Clamp for stainless steel pipe machining | |
| CN201124243Y (en) | Clamping device of automatic and common lathe with elastic collet | |
| CN215966421U (en) | Accurate positioning device for ferry vehicle wheels | |
| CN220717819U (en) | Valve block lathe jacket clamp | |
| JP4806472B1 (en) | Chuck device | |
| CN213034386U (en) | Clamp for grinding long groove of chuck top claw | |
| JP4764666B2 (en) | Tire wheel processing method and tire wheel processing gripping structure | |
| CN212144833U (en) | Shaft hobbing clamp | |
| CN211867189U (en) | Clamp for large-load lathe machining | |
| CN220093876U (en) | Hub flange machining clamp | |
| CN217096633U (en) | Workpiece clamping device | |
| CN221185536U (en) | Double-conicity built-in expansion tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |