CN214979339U - Fixture for milling tail groove - Google Patents

Abstract

The utility model discloses a mill afterbody groove anchor clamps, including afterbody apex cover (1), locating pin (2), floating tip (3), axial positioning board (4), cylinder (5), connecting plate (6), depression bar (7), V type locating piece (8), go up briquetting (9), supporting seat (10), bottom plate (11), afterbody supporting shoe (12), adopt integral type package assembly, life can prolong, and difficult wearing and tearing, camshaft after the completion processing can be lifted off fast, the loaded down with trivial details and the unstable problem of product quality of prior art have been solved, the yield and the qualification rate of processing have been improved, and the production cost is reduced, the cost of labor has been reduced by a wide margin, and convenient for operation, and anchor clamps life has improved 5 times, also accept and master more easily to the new hand.

Description

Fixture for milling tail groove

Technical Field

The utility model relates to a mill afterbody groove anchor clamps, specifically speaking are an anchor clamps that is used for processing of camshaft afterbody keyway.

Background

The existing tail groove machining process is old and complex, firstly, scribing is needed, then, the indexing head is rotated to a few lines to position, and finally, a series of machining steps of manually screwing or unscrewing a screw and manually pressing a pressing block are adopted on a simple tool.

Disclosure of Invention

The utility model aims at providing a mill tail groove anchor clamps overcomes prior art's not enough and defect, solves loaded down with trivial details of current clamping work piece, the unstable problem of product quality.

In order to realize the purpose, the utility model discloses a mill tail portion groove anchor clamps, including afterbody top point cover, locating pin, floating center, axial positioning board, cylinder, connecting plate, depression bar, V type locating piece, go up briquetting, supporting seat, bottom plate, afterbody supporting shoe, the bottom plate adopts the rectangular plate preparation, bottom plate one end sets up the supporting seat, bottom plate and supporting seat fixed connection, the middle part of supporting seat sets up the inner groovy, V type locating piece inlays on the supporting seat through the recess, the bottom plate other end sets up the afterbody supporting shoe, afterbody supporting shoe central authorities set up the through-hole, afterbody top point cover is fixed in afterbody supporting shoe central through-hole, afterbody top point cover front end swing joint floating center, the locating pin is fixed to be installed on afterbody top point cover, the supporting seat medial surface sets up axial positioning board correspondingly, the axial positioning board is half circular arc form, correspond to and fixed connection with supporting seat middle part recess, the lower end of the connecting plate is fixedly connected with the side face of the bottom plate, the other side face of the upper end of the connecting plate is fixedly connected with the air cylinder, corresponding through holes are formed in the positions, corresponding to the compression rods, of the connecting plate, pressing blocks are convenient to stretch, the supporting seat and the middle groove are correspondingly provided with pressing blocks, one end of each pressing block is correspondingly provided with a connecting block through a pin bolt movably connected with one end of the supporting seat, and the other end of each pressing block is provided with a 20-degree inclined plane with the two side faces, mutually contacted with the compression rods, of the pressing blocks, so that the locking purpose is achieved.

The center hole that does not process keyway one end with the camshaft butts with floating center, the locating pin is aimed at and is inserted in the pinhole or the keyway of camshaft simultaneously, the V type locating piece is arranged in to the radial positioning excircle of camshaft other end, make the location excircle of camshaft lean on the jail with V type locating piece, under the top spring action of afterbody floating, make the reference surface and the axial positioning board of camshaft closely laminate, stir the briquetting upwards, closely paste the location excircle surface and the inboard arc surface of briquetting of camshaft, open the cylinder depression bar and stretch out, lock the camshaft, start the lathe switch, carry out camshaft keyway processing, treat the processing completion back, loosen the cylinder depression bar shrink, turn over the briquetting, take out the camshaft after the processing completion, continue processing next camshaft keyway in proper order.

The utility model discloses a mill tail groove anchor clamps compare with prior art and have following excellent effect.

The utility model discloses a mill tail groove anchor clamps adopts integral type package assembly structure, V type locating piece center and floating center are on same straight line, make the camshaft of waiting to process place in the middle of the anchor clamps, also make camshaft center and anchor clamps center on a straight line simultaneously, V type locating piece and axial positioning board adopt the white steel material, the life can be prolonged, and difficult wearing and tearing, thereby the machining precision of product has been guaranteed, the tail part designs floating center structure, make the camshaft put into anchor clamps operation simple and convenient, under floating center spring action, can guarantee more that the camshaft location is accurate and with the tight of anchor clamps location face, the required precision of product has been guaranteed, the briquetting makes the camshaft of waiting to process firm under the effort that the depression bar compresses tightly downwards, can not produce vibrations in processing, go up the briquetting and loosen after the cylinder depression bar inwards contracts, the camshaft after accomplishing processing can be dismantled fast, the problems of complexity and unstable product quality in the prior art are solved, the finished product rate and the qualified rate of processing are improved, the production cost is reduced, the labor cost is greatly reduced, the operation is convenient, the service life of the clamp is prolonged by 5 times, and the clamp is easier to accept and master by a novice.

Drawings

Fig. 1 is a schematic view of the fixture for milling the tail groove of the present invention.

Wherein: 1. the tail supporting device comprises a tail tip sleeve, 2 a positioning pin, 3 a floating tip, 4 an axial positioning plate, 5 a cylinder, 6 a connecting plate, 7 a pressure rod, 8 a V-shaped positioning block, 9 an upper pressing block, 10 a supporting seat, 11 a bottom plate and 12 a tail supporting block.

Detailed Description

The milling tail groove clamp of the present invention will be described in further detail with reference to the accompanying drawings.

1. The tail groove milling clamp shown in figure 1 comprises a tail center sleeve 1, a positioning pin 2, a floating center 3, an axial positioning plate 4, a cylinder 5, a connecting plate 6, a pressure rod 7, a V-shaped positioning block 8, an upper pressing block 9, a supporting seat 10, a bottom plate 11 and a tail supporting block 12, wherein the bottom plate 11 is made of rectangular plates, one end of the bottom plate 11 is provided with the supporting seat 10, the bottom plate 11 is fixedly connected with the supporting seat 10, the middle part of the supporting seat 10 is provided with an inner groove, the V-shaped positioning block 8 is embedded on the supporting seat 10 through the groove, the other end of the bottom plate 11 is provided with the tail supporting block 12, the center of the tail supporting block 12 is provided with a through hole, the tail center sleeve 1 is fixed in the central through hole of the tail supporting block 12, the front end of the tail center sleeve 1 is movably connected with the floating center 3, the positioning pin 2 is fixedly arranged on the tail center sleeve 1, the axial positioning plate 4 is correspondingly arranged on the inner side surface of the supporting seat 10, and the axial positioning plate 4 is in a semicircular shape, correspond and fixed connection with supporting seat 10 middle part recess, 6 lower extremes of connecting plate and 11 side fixed connection of bottom plate, another side then carries out fixed connection with cylinder 5 on 6 upper ends of connecting plate, connecting plate 6 sets up corresponding through-hole with depression bar 7 corresponding position, the flexible of depression bar 7 of being convenient for, supporting seat 10 and middle part recess correspond and set up briquetting 9, it sets up the connecting block through cotter swing joint to go up briquetting 9 one end and supporting seat 10 above one end correspondence, the both sides face of going up the briquetting 9 other end and depression bar 7 mutual contact sets up 20 inclined planes, thereby reach the purpose of locking.

The center hole of one end of the camshaft, which is not provided with the key groove, is butted with a floating center 3, meanwhile, a positioning pin 2 is aligned and inserted into a pin hole or a key groove of the camshaft, the radial positioning excircle of the other end of the camshaft is arranged on a V-shaped positioning block 8, the positioning excircle of the camshaft is firmly attached to the V-shaped positioning block 8, under the elastic action of the tail floating center 3, the datum plane of the camshaft is tightly attached to a plate 4 of axial positioning, an upper pressing block 9 is stirred upwards, the positioning excircle surface of the camshaft is tightly attached to the inner side arc surface of the upper pressing block 9, a cylinder 5 pressing rod 7 is opened and extended out, the camshaft is locked, a machine tool switch is started, the key groove of the camshaft is machined, after machining is finished, the cylinder 5 pressing rod 7 is loosened, the upper pressing block 9 is turned over, the machined camshaft is taken out, and the next key groove is machined sequentially.

Claims (1)

1. A milling tail slot clamp comprises a tail center sleeve (1), a positioning pin (2), a floating center (3), an axial positioning plate (4), an air cylinder (5), a connecting plate (6), a pressing rod (7), a V-shaped positioning block (8), an upper pressing block (9), a supporting seat (10), a bottom plate (11) and a tail supporting block (12), wherein the bottom plate (11) is made of rectangular plates, the milling tail slot clamp is characterized in that the supporting seat (10) is arranged at one end of the bottom plate (11), the bottom plate (11) is fixedly connected with the supporting seat (10), an inner groove is formed in the middle of the supporting seat (10), the V-shaped positioning block (8) is embedded on the supporting seat (10) through a groove, the tail supporting block (12) is arranged at the other end of the bottom plate (11), a through hole is formed in the center of the tail supporting block (12), the tail center sleeve (1) is fixed in the center through hole of the tail supporting block (12), the front end of the tail center sleeve (1) is movably connected with the floating center (3), the positioning pin (2) is fixedly arranged on the tail tip sleeve (1), the inner side surface of the supporting seat (10) is correspondingly provided with an axial positioning plate (4), the axial positioning plate (4) is in a semi-circular arc shape, correspond and fixed connection with supporting seat (10) middle part recess, connecting plate (6) lower extreme and bottom plate (11) side fixed connection, another side then carries out fixed connection with cylinder (5) on connecting plate (6), corresponding position sets up corresponding through-hole in connecting plate (6) and depression bar (7), the flexible of depression bar (7) of being convenient for, supporting seat (10) and middle part recess correspond and set up briquetting (9), it sets up the connecting block through cotter swing joint to go up briquetting (9) one end and supporting seat (10) above one end correspondence, the both sides face of going up briquetting (9) other end and depression bar (7) mutual contact sets up 20 inclined planes, thereby reach the purpose of locking.

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