CN200974185Y

CN200974185Y - Module clamping feeding apparatus for grinding machine

Info

Publication number: CN200974185Y
Application number: CNU200620124914XU
Authority: CN
Inventors: 刘祥; 翟人同
Original assignee: Jiangsu Xingda Steel Tyre Cord Co Ltd
Current assignee: Jiangsu Xingda Steel Tyre Cord Co Ltd
Priority date: 2006-11-03
Filing date: 2006-11-03
Publication date: 2007-11-14
Anticipated expiration: 2016-11-03

Abstract

The utility model discloses a mold clamping and feeding device of grinding machine, which comprises a wiredrawing mold clamper, a mold ejecting mechanism, and a support feeding mechanism. The clamper is arranged on the upper part of the mold ejecting mechanism and clamps or releases the wiredrawing mold along with the elevation of the mold ejecting mechanism, and the support feeding mechanism is fixed with a screw base (13) in the mold ejecting mechanism and drives the screw base (13) to elevate. The support feeding mechanism comprises a support (8), a screw rod (10), and a polished rod (11), wherein the screw rod (10) and the polished rod (11) respectively penetrate through the support (8) and are mounted on the frame of a grinding machine at both ends; a linear bearing (12) is arranged between the polished rod (11) and the matching surface of the inner hole of the support; the polished rod (11) is the rail to allow the support (8) to move up and down; the screw (8) matches with a nut fixed on the support (8) to drive the support (8) to move up and down; and the screw rod (10) is driven by a step motor (9).

Description

A kind of device for clamping and advancing work pieces machined of grinder

Technical field

The utility model relates to a kind of device for clamping and advancing work pieces machined of grinder.

Background technology

The attrition process face of wire drawing die comprises sizing area and compressional zone, and its requirement on machining accuracy is very high, and the tolerance of physical dimension is the some thousandths of millimeter, and surface smoothness requires high, and the coherence request of producing in batches is also very harsh.Conventional grinder all adopts bistrique to rotate at a high speed, and the hand rest die body grinds.This processing method not only speed is slow, and the requirement of can not ensuring the quality of products, and the yield rate that wire drawing die grinds is low.

Summary of the invention

At the problems referred to above, the utility model provides a kind of device for clamping and advancing work pieces machined of grinder, and it has realized that automatic clamping of wire drawing die feeds, and the automaticity of grinding improves greatly, and has guaranteed Grinding Quality, has improved the yield rate of wire drawing die.

The technical solution of the utility model is as follows: the device for clamping and advancing work pieces machined of grinder, it comprises wire drawing die binding clasp, mold pushing mechanism and bearing feed mechanism, described binding clasp is installed in the top of mold pushing mechanism and follows the mold pushing mechanism lifting to clamp or to unclamp wire drawing die, and the screw bolt seat lifting is fixed and driven to the screw bolt seat in bearing feed mechanism and the mold pushing mechanism; Described bearing feed mechanism comprises bearing, screw mandrel, polished rod, described screw mandrel and polished rod pass bearing respectively, two ends are separately fixed at grinds on the body frame, be provided with linear bearing between the mating surface of polished rod and bearing endoporus, polished rod is the guide rail that bearing moves up and down, screw mandrel cooperates with nut on being fixed on bearing and drives bearing and move up and down, and screw mandrel is by feeding driven by motor.

In the utility model; mold pushing mechanism comprises cored screw, screw bolt seat and backform bar; cored screw passes screw bolt seat and by the supporting of the bearing at two ends; wherein the bearing block periphery of lower end is provided with belt grooves by main driven by motor; driving-disc is fixed on the bearing block of lower end; cored screw passes driving-disc and mount with it, and the backform bar is assemblied in the cored screw its upper end and stretches in the binding clasp.

The cored screw of described driving-disc below is provided with thrust bearing, and thrust bearing is by the ejection that makes progress of the pressure regulating spring of below, and the elastic force of pressure regulating spring is regulated by adjusting screw(rod).

Described binding clasp comprises base of the carrier head, jaw, chuck dish, base of the carrier head is positioned at the top of screw bolt seat, be provided with chuck dish and jaw in it, the chuck dish is installed in the cored screw upper end, jaw is evenly distributed on around the chuck dish, and jaw is installed on the chuck dish by bearing pin and can be a spot wobble by bearing pin, is provided with the taper fit face between jaw upper end and the base of the carrier head, be provided with radial spring between jaw and the chuck dish, be provided with axle spring between base of the carrier head and the chuck dish.

The course of work of the present utility model is as follows: startup feeds motor, feeds motor by the rotation of the screw mandrel of band drive synchronously, and screw mandrel drives bearing and moves up along polished rod, and bearing drives screw bolt seat, binding clasp moves upward.The initial period of motion, base of the carrier head is motionless, just chuck dish and jaw are driven by the backform bar and move upward, when chuck dish and jaw move upward after several millimeters, the impressed pressure of the axle spring between base of the carrier head and the chuck dish is eliminated, the elastic force of spring pushes taper fit face with base of the carrier head with jaw, and the processing wire drawing die is clamped.Then binding clasp integral body continues to rise to predetermined altitude with bearing, until with after card grinding contacts, the bearing block of main driven by motor cored screw lower end rotates, and bearing block drives driving-disc and rotates, driving-disc drives cored screw, binding clasp rotates, and binding clasp drive wire drawing die rotates at a high speed and begins to grind.Produce certain grinding pressure between card grinding and the wire drawing die, along with the carrying out of grinding, grinding pressure reduces thereupon, the signal feedback that grinding pressure changes feeds motor, feed motor and continue upwards to promote, finish until grinding, grinding pressure is zero, feed the motor counter-rotating, bearing drives binding clasp and descends, and when dropping to base of the carrier head and arriving extreme lower position and can not descend again, motor is stall not, the chuck dish continues to descend, axle spring between compression clamp cephalic disc and the base of the carrier head makes jaw withdraw from taper fit face with base of the carrier head, under the effect of the radial spring between chuck dish and the jaw, jaw is that fulcrum outwards is offset with the bearing pin, and jaw has unclamped wire drawing die.Limited block is touched in backform bar lower end simultaneously, and wire drawing die is ejected.The backform bar falls by gravity when feeding rising next time, gets ready for feeding to grind.

The beneficial effects of the utility model are: wire drawing die is driven by the bearing feed mechanism and feeds automatically, clamps automatically; drive the high speed spin finishing by mold pushing mechanism; the automaticity of whole process improves greatly, and has guaranteed Grinding Quality, has improved the yield rate of wire drawing die.

Description of drawings

Fig. 1 is a structural representation of the present utility model

The specific embodiment

With reference to accompanying drawing, the device for clamping and advancing work pieces machined of the utility model grinder mainly is made up of wire drawing die binding clasp, mold pushing mechanism and bearing feed mechanism.Described bearing feed mechanism comprises bearing 8, screw mandrel 10, polished rod 11, and described screw mandrel 10 and polished rod 11 pass bearing 8 respectively, and screw mandrel 10 is installed in by the bearing supporting and grinds on the body frame, and the two ends of polished rod 11 are fixed on grinds on the body frame.Be provided with two cover linear bearings 12 between the mating surface of polished rod 11 and bearing endoporus, then bearing 8 can move up and down along polished rod 11.Screw mandrel 10 cooperates with nut on being fixed on bearing 8 and drives bearing 8 and move up and down, and screw mandrel 10 drives by feeding motor 9.

In the utility model, mold pushing mechanism comprises cored screw 6, screw bolt seat 13 and backform bar 7.Screw bolt seat 13 is fixed as one with bearing 8, and cored screw 6 passes screw bolt seat 13 and by the bearing supporting at two ends, and wherein Shang Duan the bearing 3-5 millimeter that can endwisely slip is spacing by back-up ring; Bearing block 14 peripheries of lower end are provided with belt grooves by main driven by motor.Driving-disc 15 is fixed on the bearing block 14 of lower end, and cored screw 6 passes driving-disc 15, connects by threaded engagement between the two.Backform bar 7 is assemblied in the cored screw 6 and stretches in the binding clasp on it, grinds body frame and be provided with limited block below backform bar 7, stops to descend when backform bar 7 is run into limited block, and wire drawing die 1 is ejected.

The cored screw 6 of described driving-disc 15 belows is provided with thrust bearing 16, and thrust bearing 16 is by the pressure regulating spring 17 upwards ejections of below, and the elastic force of pressure regulating spring 17 is regulated by adjusting screw(rod) 18.Pressure regulating spring 17 can be regulated the pressure between card grinding and the wire drawing die 1, and machining accuracy was poor when pressure was excessive, and pressure too hour working (machining) efficiency is low.

Described binding clasp comprises base of the carrier head 5, jaw 2, chuck dish 19, and base of the carrier head 5 is positioned at the top of screw bolt seat 13, and is spacing by limit base 20, can move up and down in limit base 20.Be provided with chuck dish 19 and jaw 2 in the base of the carrier head 5, chuck dish 19 is installed in cored screw 6 upper ends by screw 21, and backform bar 7 passes from screw 21.Three jaws 2 are evenly distributed on around the chuck dish 19, jaw 2 is installed on the chuck dish 19 by bearing pin and can be a spot wobble by bearing pin, be provided with the taper fit face between jaw 2 upper ends and the base of the carrier head 5, be provided with radial spring 3 between jaw 2 and the chuck dish 19, be provided with axle spring 4 between base of the carrier head 5 and the chuck dish 19.

Claims

1, a kind of device for clamping and advancing work pieces machined of grinder, it is characterized in that it comprises wire drawing die binding clasp, mold pushing mechanism and bearing feed mechanism, described binding clasp is installed in the top of mold pushing mechanism and follows the mold pushing mechanism lifting to clamp or to unclamp wire drawing die, and screw bolt seat (13) lifting is fixed and driven to the screw bolt seat in bearing feed mechanism and the mold pushing mechanism (13); Described bearing feed mechanism comprises bearing (8), screw mandrel (10), polished rod (11), described screw mandrel (10) and polished rod (11) pass bearing (8) respectively, two ends are installed in respectively grinds on the body frame, be provided with linear bearing (12) between the mating surface of polished rod (11) and bearing endoporus, polished rod (11) is the guide rail that bearing (8) moves up and down, screw mandrel (10) cooperates with nut on being fixed on bearing (8) and drives bearing (8) and move up and down, and screw mandrel (10) drives by feeding motor (9).

2, the device for clamping and advancing work pieces machined of grinder according to claim 1; it is characterized in that mold pushing mechanism comprises cored screw (6), screw bolt seat (13) and backform bar (7); cored screw (6) passes screw bolt seat (13) and by the supporting of the bearing at two ends; wherein the bearing block of lower end (14) periphery is provided with belt grooves by main driven by motor; driving-disc (15) is fixed on the bearing block (14) of lower end; cored screw (6) passes driving-disc (15) and mount with it, and backform bar (7) is assemblied in the cored screw (6) its upper end and stretches in the binding clasp.

3, the device for clamping and advancing work pieces machined of grinder according to claim 2, the cored screw (6) that it is characterized in that driving-disc (15) below is provided with thrust bearing (16), thrust bearing (16) is by the upwards ejection of pressure regulating spring (17) of below, and the elastic force of pressure regulating spring (17) is regulated by adjusting screw(rod) (18).

4, according to claim 1, the device for clamping and advancing work pieces machined of 2 or 3 described grinders, it is characterized in that described binding clasp comprises base of the carrier head (5), jaw (2), chuck dish (19), base of the carrier head (5) is positioned at screw bolt seat (13) top, be provided with chuck dish (19) and jaw (2) in it, chuck dish (19) is installed in cored screw (6) upper end, jaw (2) is evenly distributed on chuck dish (19) on every side, jaw (2) is installed in chuck dish (19) by bearing pin and goes up also and can be a spot wobble by bearing pin, be provided with the taper fit face between jaw (2) upper end and the base of the carrier head (5), be provided with radial spring (3) between jaw (2) and the chuck dish (19), be provided with axle spring (4) between base of the carrier head (5) and the chuck dish (19).