A cantilever positioning fixture for reverse gear shifting
A positioning fixture and shifting cantilever technology, applied in positioning devices, clamping, manufacturing tools, etc., can solve the problems of repeated positioning errors, multiple clamping times, and long circulation time, so as to increase the contact area and improve work efficiency , the effect of reducing labor costs
Inactive Publication Date: 2017-09-15
CHONGQING SHANQING MACHINERY MFG
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Problems solved by technology
[0002] The processing of the reverse gear shift cantilever needs to go through multiple processes, including processing on CNC lathes, honing machines, and vertical drilling machines. The existing problems are: many clamping times, long circulation time, easy to cause repeated positioning errors and bump damage ;Each process needs to be operated by one person, and requires the cooperation of multiple operators to complete
Method used
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Embodiment Construction
[0016] Below by embodiment and in conjunction with accompanying drawing, the present invention will be further described:
[0017] combine figure 1 — figure 2 As shown, a cantilever positioning fixture for reverse gear shifting is mainly composed of a base plate 1, a workpiece mounting block 2, a V-shaped positioning block 3, a limit fixing block 4, an elastic top tightening mechanism 5, a locking fixing block 6, and an oil pressure corner Cylinder 7, lever type hydraulic cylinder 8, locking screw rod 9, pressing plate 10, positioning shaft 11, cemented carbide block 12, positioning base 13 and positioning base support block 14 etc. are formed. Wherein, the positioning base 13 is installed above the bottom plate 1 through the positioning base support block 14 , thereby leaving a closed space between the positioning base 13 and the bottom plate 1 for arranging oil pipelines. The positioning base 13 is equipped with a workpiece mounting block 2, a V-shaped positioning block 3...
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The invention discloses an efficient and reliable locating clamp for a gear reversing and shifting cantilever. The locating clamp comprises a base plate, a locating base and a locating base supporting block; two locating shafts on a workpiece locating block are inserted into corresponding installing holes of a workpiece respectively; each inclined face of a V-shaped opening of a V-shaped locating block is connected with a hard alloy block in a welded mode, and the hard alloy blocks compress the workpiece tightly from the left side and the right side behind the workpiece respectively; the end of a pressing plate is provided with a semicircular groove, and an oil hydraulic angle cylinder drives the pressing plate to rotate so that the end of the pressing plate can be pressed on the upper end face at the right rear portion of the workpiece; a locking threaded rod passes through a locking fixing block horizontally in an inclined mode and abuts against the left front wall of the workpiece; an implement end of a lever type oil hydraulic cylinder abuts against the middle of the front portion of the workpiece; a cantilever end of the workpiece is clamped through a limit fixing block and an elastic jacking mechanism. The locating clamp is applied to a vertical machining center, the workpiece can be clamped and located rapidly and accurately, the number of clamps and times of clamping are reduced, the working efficiency is improved, and the labor cost is reduced.
Description
technical field [0001] The invention relates to a processing jig for transmission parts, in particular to a cantilever positioning jig for reverse gear shifting. Background technique [0002] The processing of the reverse gear shift cantilever needs to go through multiple processes, including processing on CNC lathes, honing machines, and vertical drilling machines. The existing problems are: many times of clamping, long circulation time, easy to cause repeated positioning errors and bump damage ;Each process requires one person to operate, and requires the cooperation of multiple operators to complete. Contents of the invention [0003] The purpose of the present invention is to provide a cantilever positioning fixture for reverse gear shifting specially used in vertical machining centers. After the clamping is completed, the vertical machining center will process it to replace the CNC lathe, honing machine, and vertical drilling machine equipment in the traditional proce...
Claims
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IPC IPC(8): B23P23/00B23Q3/08
CPCB23P23/00B23Q3/082
Inventor 张涛
Owner CHONGQING SHANQING MACHINERY MFG