CN110842758A - Mechanism for double-sided grinding and polishing the surface of plate parts - Google Patents

Abstract

The invention belongs to the technical field of magnetic grinding, and in particular relates to a mechanism for double-sided grinding and polishing the surface of plate-like parts. The reciprocating device above, the fixture device arranged on the reciprocating device, the grinding device I and grinding device II respectively arranged on both sides of the fixture device, the rotating device I connected with the grinding device I, and the grinding device II. The connected rotating device II, the plate parts to be processed are arranged in the fixture device. In the invention, the two sides of the plate are finished at the same time, the magnetic poles are used for rotating motion, and the plate is subjected to reciprocating linear motion for grinding, so as to avoid the phenomenon of centrifugal force generated by the rotation of the workpiece and the deformation of the plate due to slight deflection, thereby improving the processing efficiency and the efficiency of the plate. The service life of the parts is high, the degree of automation is high, the cost is saved, and it is green and environmentally friendly.

Description

Mechanism for double-sided grinding and polishing the surface of plate parts

technical field

The invention belongs to the technical field of magnetic grinding, and in particular relates to a mechanism for double-sided grinding and polishing the surface of plate-like parts.

Background technique

Flat polishing is a common and important processing method in industrial production. The quality of flat polishing directly affects the surface quality, flatness and performance of the workpiece. At present, the commonly used plane polishing methods are mainly divided into two types: one is to use a milling machine to polish, and the other is to use manual polishing. The quality of the polishing plane of the milling machine mainly depends on the milling cutter, and the polishing cost is high, and it is not widely used in many fields; although manual polishing can greatly reduce the cost, the flatness of the polishing cannot be guaranteed.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a mechanism that can realize the double-sided grinding and polishing of the surface of plate-like parts, which can realize the simultaneous finishing of both sides of the plate. The magnetic pole is used for rotating motion, and the plate is subjected to reciprocating linear motion for grinding, so as to avoid the rotation of the workpiece. Centrifugal force is generated, and a small amount of deflection occurs to deform the plate, which improves the processing efficiency and the service life of the plate.

The purpose of this invention is to realize through following technical scheme:

A mechanism for double-sided grinding and polishing the surface of plate-like parts of the present invention is characterized by comprising a base, a bed with a slideway arranged on the base, and a reciprocating device arranged on the bed, arranged on the The clamp device on the reciprocating device is respectively arranged on the two sides of the clamp device, the grinding device I and the grinding device II, the rotating device I connected with the grinding device I, and the grinding device I connected with the grinding device II. Rotating device II, the plate parts to be processed are arranged in the fixture device,

The grinding device I includes an N-pole magnetic pole, magnetic abrasive particles arranged between the N-pole magnetic pole and the plate parts to be processed,

The grinding device II includes an S-pole magnetic pole, magnetic abrasive particles arranged between the S-pole magnetic pole and the plate-like parts to be processed,

The rotating device I includes a motor I connected to the bed body through a frame I, a spindle box arranged on the bed body, a spindle arranged in the spindle box, and a belt arranged at the end of the spindle shaft. wheel, the rotating shaft I connected with the shaft end of the main shaft through the coupling I, the motor I and the pulley through the transmission belt, the rotating shaft I and the N pole magnetic pole are connected connect,

The rotating device II includes a dovetail chute I slidably connected to the slideway, a frame II arranged on the dovetail chute I, a motor II arranged on the frame II, and the output of the motor II. The rotating shaft II connected to the end, the rotating shaft II is connected with the S pole magnetic pole,

The reciprocating device includes a lower saddle plate fixed on the bed through a pressing plate, a lead screw arranged in the groove of the lower saddle plate and rotatably connected to the lower saddle plate through a bearing, and the lead screw through the connection. The motor III connected to the shaft II, the upper saddle plate slidably connected with the lower saddle plate through the dovetail chute II, the nut threadedly connected with the lead screw, the thread connecting the nut and the upper saddle plate Blocks, ribs arranged on the upper saddle plate, dovetail inserts arranged in the dovetail chute II of the upper saddle plate.

The fixture device includes a support plate for the workpiece to be processed, which is arranged on the rib, and the plate-like parts to be processed are fixed on the support plate for the workpiece to be processed by tensioning bolts.

The N-pole magnetic pole and the S-pole magnetic pole are two magnetic poles of the same size, and the N-pole magnetic pole and the S-pole magnetic pole are coaxially arranged.

A positioning pin I is arranged on the dovetail chute I.

Advantages of the present invention:

The mechanism for double-sided grinding and polishing the surface of plate parts of the present invention, the two sides of the plate are finished at the same time, the magnetic pole is used for rotating motion, and the plate is ground by reciprocating linear motion, so as to avoid the centrifugal force generated by the rotation of the workpiece, and the occurrence of micro deflection. The phenomenon of plate deformation improves the processing efficiency and the service life of the plate. It has a high degree of automation, saves costs, and is environmentally friendly.

Description of drawings

FIG. 1 is a schematic structural diagram of the present invention.

Figure 2 is an axonometric view of the present invention.

FIG. 3 is a left side view of FIG. 1 of the present invention.

FIG. 4 is a schematic structural diagram of the lower part of the reciprocating device of the present invention.

FIG. 5 is a schematic structural diagram of the upper part of the reciprocating moving device of the present invention.

Detailed ways

The specific embodiments of the present invention are further described below with reference to the accompanying drawings.

With the development of aerospace, optics and other technologies, higher requirements are placed on the surface quality of complex precision parts. Magnetic grinding is a very effective finishing technique. This processing method can efficiently grind fine surfaces and complex uneven surfaces.

As shown in Figures 1-5, a mechanism for double-sided grinding and polishing the surface of plate-like parts of the present invention is characterized in that it includes a base 12, and a bed 11 with a slideway 10 is arranged on the base 12. The reciprocating device on the bed body 11, the fixture device arranged on the reciprocating device, the grinding device I and the grinding device II respectively arranged on both sides of the fixture device, and the rotation connected with the grinding device I The device I, the rotating device II connected with the grinding device II, the plate parts 17 to be processed are arranged in the fixture device, and the grinding device I includes the N-pole magnetic pole 4, which is arranged in the N-pole magnetic pole 4 and the magnetic abrasive particles between the plate parts to be processed 17,

The grinding device II includes an S-pole magnetic pole 6, and the magnetic abrasive particles arranged between the S-pole magnetic pole 6 and the plate-like parts 17 to be processed,

The rotating device I includes a motor I23 connected with the bed body 11 through a frame I22, a spindle box 1 arranged on the bed body 11, a spindle 24 arranged in the spindle box 1, and a spindle box 24 arranged in the spindle box 1. The pulley 25 at the end of the shaft 24, the rotating shaft I3 connected with the shaft end of the main shaft 24 through the coupling I2, the motor I23 and the pulley 25 are connected through the transmission belt 26, the rotation The axis I3 is connected with the said N-pole magnetic pole 4,

The rotating device II includes a dovetail chute I15 slidably connected to the slideway 10, a frame II9 arranged on the dovetail chute I15, a motor II8 arranged on the frame II9, and the motor II8. The rotating shaft II7 connected to the output end, the rotating shaft II7 is connected with the S-pole magnetic pole 6,

The reciprocating device includes a lower saddle plate 13 fixed on the bed body 11 through a pressing plate 30, a lead screw 28 arranged in the groove of the lower saddle plate 13 and rotatably connected to the lower saddle plate 13 through a bearing, The motor III 16 connected with the lead screw 28 through the coupling II 20, the upper saddle plate 32 slidably connected with the lower saddle plate 13 through the dovetail chute II, and the screw nut 35 threadedly connected with the lead screw 28 are connected The nut 35 and the wire block 34 of the upper saddle plate 32 , the ribs 31 arranged on the upper saddle plate 32 , and the dovetail inserts 33 arranged in the dovetail chute II of the upper saddle plate 32 .

The fixture device includes a support plate 5 for the workpiece to be processed, which is arranged on the rib plate 31 , and the plate-like parts 17 to be processed are fixed on the support plate 5 for the workpiece to be processed by means of tension bolts 18 .

The N-pole magnetic pole 4 and the S-pole magnetic pole 6 are two magnetic poles of the same size, and the N-pole magnetic pole 4 and the S-pole magnetic pole 6 are coaxially arranged.

The dovetail chute I15 is provided with a positioning pin I14.

The present invention will be described in detail below with reference to the accompanying drawings, but it should be pointed out that the implementation of the present invention is not limited to the following embodiments.

A method and device for double-sided grinding and polishing the surface of plate-like parts, comprising a base 12, a bed 11, a reciprocating device, a grinding device, and a fixture device. The bed 11 is fixed on the base 12, and the reciprocating device is fixed to the bed 11. Connection, the fixture device is fixed on the reciprocating device, the grinding device is on both sides of the fixture device, and rotates, and the grinding device and the rotating device are fixedly connected.

The motor I23 of the rotating device 1 is fixed on the bed body 11 through the frame I22, the pulley 25 is fixed on the end of the main shaft 24 extended from the headstock 1, and the coupling I2 is connected and fixed with the tail of the main shaft 24 extended from the headstock 1; The rotating shaft I3 is fixedly connected with the coupling I2; one end of the transmission belt 26 is connected to the output shaft of the rotating No. 1 motor 23, and the other end is connected to the pulley 25, thereby driving the rotating shaft I3 and the grinding device I to rotate.

The motor II8 is fixed on the frame II9 by fixing bolts, and the frame II9 is fixed on the dovetail chute I15 by the positioning pin I14; the dovetail chute I15 slides left and right on the slideway 10, and the motor II8 drives the rotating shaft II7 and the grinding device II to rotate . The grinding device I and the grinding device II respectively clamp the N-pole magnetic pole 4 and the S-pole magnetic pole 6 of the same size, and the two axes are on the same axis.

In the reciprocating device, the positioning bolt 19 fixes the motor III16 on the bracket, one end of the coupling II20 is connected with the motor III16, and the other end is connected with the lead screw 28; The lead screw 28 is fixed on the lower saddle plate 13; the lower end of the lower saddle plate 13 is fixed on the bed body 11 through the pressing plate 30, the dovetail insert 33 is fixedly connected with the upper saddle plate 32, and the dovetail insert 33 is in contact with both sides of the lower saddle plate 13 , the upper end surface of the upper saddle plate 32 is fixedly connected with the rib plate 31, the lower end surface of the upper saddle plate 32 is fixedly connected with the screw block 34, the screw nut 35 is fixed on the screw block 34, the screw nut 35 is threadedly connected with the screw 28, and the screw is rotated. 28. The silk nut 35 realizes the reciprocating movement in the front and rear directions.

The support plate 5 of the workpiece to be processed of the fixture device is fixedly connected with the rib plate 31, the plate parts 17 to be processed and the support plate 5 of the workpiece to be processed are fixedly connected by the tension bolts 18, and the tension bolts 18 are adjusted. The tightness can also be adjusted.

The method for double-sided grinding and polishing the surface of plate parts includes the following steps:

1) The plate parts 17 to be processed are fixed on the support plate 5 of the parts to be processed, and the processing length is adjusted and locked; the distance between the two magnetic poles of the grinding device, the N-pole magnetic pole 4 and the S-pole magnetic pole 6, and the plate-like parts 17 to be processed are adjusted, It is ensured that the distances between the two magnetic poles and the plate-like parts 17 to be processed are respectively less than 2 mm.

2) Stir the magnetic abrasive particles and water-based abrasive liquid in a ratio of 2:3:5 (for example: 500g magnetic abrasive particles, 750ml water-based abrasive liquid, and 1250ml water) and place them on the two magnetic poles and the plate parts to be processed. 17; the grinding pressure generated by magnetic grinding is:

3) In formula (1), B is the magnetic induction intensity, μm is the relative magnetic permeability of the magnetic abrasive particles, μ ₀ is the air magnetic permeability, take 4π×10-7H/m, and the grinding pressure P is the square of the magnetic induction intensity B. Proportional, the greater the grinding pressure, the greater the grinding pressure of the magnetic brush on the surface of the plate parts 17 to be processed, the greater the amount of material removed, and the higher the grinding efficiency. 6 The closer the loop distance is, the greater the magnetic induction intensity between the N pole 4 and the S pole 6;

4) Start the motor I23 and the motor II8, set the two motors to rotate at the same speed, so that the two rotating shafts I3 and II7 drive the two magnetic poles to rotate, and the magnetic grinding on the two magnetic poles N-pole magnetic pole 4 and S-pole magnetic pole 6 The particles form a magnetic brush under the action of the magnetic field; the magnetic brush is pressed on both sides of the plate part 17 to be processed, and rotates with the two magnetic poles; the motor III16 drives the lead screw 28 to rotate, and the nut 35 drives the plate to be processed on the upper saddle plate 32 The similar parts 17 reciprocate on the lead screw 28, and the magnetic brush constantly rubs and scratches the surface of the plate-like parts 17 to be processed. Sharpening to complete the finishing process on both sides of the plate parts 17 to be processed.

The present invention adopts the support plate 5 of the workpiece to be processed to fix the plate parts 17 to be processed, and when the plate parts 17 to be processed move back and forth, the two magnetic poles are rotated simultaneously to realize the double-sided finishing of the plate parts 17 to be processed, avoiding The phenomenon of centrifugal force generated by the rotation of the workpiece and the deformation of the plate due to slight deflection is solved, the problem of traditional single-sided finishing is solved, and the processing efficiency and the service life of the plate are improved. High degree of automation, cost saving, green and environmental protection.

Claims (4)

1. A mechanism for double-sided grinding and polishing of the surfaces of plate parts is characterized by comprising a base, a bed body with a slideway, a reciprocating device, a clamp device, a grinding device I, a grinding device II, a rotating device I, a rotating device II and a plate part to be processed, wherein the bed body is arranged on the base and provided with the slideway, the reciprocating device is arranged on the bed body, the clamp device is arranged on the reciprocating device, the grinding device I and the grinding device II are respectively arranged on two sides of the clamp device, the rotating device I is connected with the grinding device I, the rotating device II is connected with the grinding device II, the plate part to be processed is arranged in,

the grinding device I comprises an N-pole magnetic pole and magnetic grinding particles arranged between the N-pole magnetic pole and the plate part to be processed,

the grinding device II comprises an S pole, magnetic grinding particles arranged between the S pole and the plate part to be processed,

the rotating device I comprises a motor I connected with the bed body through a frame I, a spindle box arranged on the bed body, a spindle arranged in the spindle box, a belt wheel arranged at the spindle end of the spindle, and a rotating shaft I connected with the spindle tail through a coupling I, wherein the motor I is connected with the belt wheel through a transmission belt, the rotating shaft I is connected with the N-pole magnetic pole,

the rotating device II comprises a dovetail sliding groove I in sliding connection with the sliding way, a frame II arranged on the dovetail sliding groove I, a motor II arranged on the frame II, and a rotating shaft II connected with the output end of the motor II, wherein the rotating shaft II is connected with the S pole,

the reciprocating device comprises a lower saddle plate fixed on the bed body through a pressing plate, a lead screw arranged in a groove of the lower saddle plate and rotationally connected with the lower saddle plate through a bearing, a motor III connected with the lead screw through a coupler II, an upper saddle plate slidably connected with the lower saddle plate through a dovetail sliding groove II, a screw nut in threaded connection with the lead screw, a screw block connecting the screw nut and the upper saddle plate, a ribbed plate arranged on the upper saddle plate, and a dovetail gib arranged in the dovetail sliding groove II of the upper saddle plate.

2. The mechanism for double-sided grinding and polishing of the surface of a plate-like part according to claim 1, wherein said clamping means comprises a supporting plate to be processed provided on said rib plate, and said plate-like part to be processed is fixed to said supporting plate to be processed by means of a tension bolt.

3. The mechanism of claim 1, wherein the N-pole and S-pole are two poles of the same size and are coaxially disposed.

4. The mechanism for double-sided grinding and polishing of the surface of a plate-like part according to claim 1, wherein a positioning pin i is provided on the dovetail slide groove i.

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