CN114952482A

CN114952482A - End polishing lathe for copper casting machining

Info

Publication number: CN114952482A
Application number: CN202210474576.6A
Authority: CN
Inventors: 王建锋
Original assignee: Nantong Zhenyang Printing And Textile Machinery Co ltd
Current assignee: Nantong Zhenyang Printing And Textile Machinery Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-30

Abstract

The invention discloses an end part polishing lathe for copper casting machining, which comprises a base, wherein the upper surface of the base is fixedly connected with two first electric push rods and a driving motor, and the output ends of the first electric push rods are fixedly connected with a clamping mechanism; fixture includes that two cross-sections are the grip block of opening towards one side character cut in bas-relief, grip block open-ended lateral wall is connected with the rubber bag, sealed sliding connection has the current conducting plate in the grip block, a plurality of first springs of fixedly connected with between current conducting plate and the grip block inner wall, the inside wall fixedly connected with of grip block has the force sensing resistance, the lateral wall fixedly connected with conducting strip of first electric putter one side is kept away from to the force sensing resistance. Has the advantages that: the copper casting clamping device can effectively clamp and polish copper castings with various irregular shapes, ensures the polishing effect, can absorb polishing dust, avoids dust overflow, can also cool, and avoids scalding in the operation process.

Description

End polishing lathe for copper casting machining

Technical Field

The invention relates to the technical field of polishing lathes, in particular to an end polishing lathe for machining copper castings.

Background

Copper is one of common metal materials in our lives, pure copper is soft metal, the surface of the copper is red orange color band metal luster when being cut, and the simple substance is purple red. The copper casting is one of the parts, and after the copper casting is cast, the casting part is cut into required length and then processed in the next step, and after the cutting is finished, a grinding lathe is required to grind the cutting end to eliminate end burrs so as to avoid influencing the subsequent processing.

In the prior art, the existing lathe for polishing the end part of the copper casting only can clamp and polish the copper casting with relative rules in the polishing process, the copper casting corresponds to the copper casting with a complex and irregular outer wall shape, the clamping effect is general, the polishing effect is greatly influenced, in the polishing process, the polishing dust overflows to greatly influence the health of processing personnel, and after polishing is finished, due to the friction effect, the heat conductivity of copper is high, the surface temperature of the copper casting is high, the processing personnel can be scalded, and the influence on subsequent processing is realized

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides an end grinding lathe for machining copper castings.

In order to achieve the purpose, the invention adopts the following technical scheme:

the end part polishing lathe for machining the copper castings comprises a base, wherein the upper surface of the base is fixedly connected with two first electric push rods and a driving motor, and the output ends of the first electric push rods are fixedly connected with a clamping mechanism;

fixture includes that two cross-sections are the grip block of opening towards one side font, grip block open-ended lateral wall is connected with the rubber bag, sealed sliding connection has the current conducting plate in the grip block, a plurality of first springs of fixedly connected with between current conducting plate and the grip block inner wall, the inside wall fixedly connected with of grip block power sensitive resistance, the lateral wall fixedly connected with conducting strip of first electric putter one side is kept away from to power sensitive resistance, it has the electrorheological fluid to fill between current conducting plate and the rubber bag, driving motor's output fixedly connected with connection pad, two second electric putter of lateral wall fixedly connected with of driving motor one side are kept away from to the connection pad, the common fixedly connected with of second electric putter's output piece of polishing.

Further, be provided with grinding machanism in the piece of polishing, grinding machanism is including seting up the groove of polishing in the piece of polishing, polish inslot roof fixedly connected with infrared inductive probe, polish inslot wall fixedly connected with sliding sleeve, sliding connection has the slider in the sliding sleeve, fixedly connected with third spring between slider and the sliding sleeve, the sliding sleeve is located the outside one end fixedly connected with of sliding sleeve and polishes the skin.

Furthermore, a dust suction mechanism is arranged in the polishing block, the dust suction mechanism comprises four dust suction cavities and a mounting groove which are arranged in the polishing block, a storage box is connected in the mounting groove in a sealing and sliding manner, a suction plate is connected in the dust suction cavities in a sealing and sliding manner, the polishing block is connected with four top columns in a penetrating and sliding manner, one ends of the top columns, which are positioned in the corresponding dust suction cavities, are fixedly connected with the corresponding suction plate, a plurality of second springs are fixedly connected between the top columns and the polishing block, the polishing block is connected with four absorption tubes and four dust inlet tubes in a penetrating manner, one ends of the absorption tubes penetrate and extend into the corresponding dust suction cavities, the other ends of the absorption tubes penetrate and extend into the polishing groove, one ends of the dust inlet tubes penetrate and extend into the corresponding dust suction cavities, the other ends of the dust inlet tubes penetrate and extend into the mounting groove, a filter screen is arranged in the mounting groove, and an arc-shaped groove is arranged on the upper surface of the base, the upper surface of the base is fixedly connected with two arc-shaped plates.

Further, be provided with cooling body in the polishing block, cooling body is including seting up the cooling chamber in the polishing block, cooling intracavity wall is provided with the semiconductor refrigeration piece, a plurality of heat-conducting plates of semiconductor refrigeration piece fixedly connected with, the annular chamber has been seted up in the polishing block lateral wall, the polishing block runs through fixedly connected with air supply pipe, air supply pipe one end runs through and extends to in the mounting groove, and both ends run through extend to in the annular chamber in addition, the fixed a plurality of pressure boost shower nozzles that are equipped with of embedding of polishing block inside wall, pressure boost shower nozzle one end runs through and extends to the inslot of polishing, and the other end runs through and extends to in the annular chamber.

Further, the cooling mechanism further comprises four spiral coils, the spiral coils are arranged in the polishing block, and four magnetic columns are arranged in the ejection columns.

Furthermore, check valves are arranged in the absorption pipe and the dust inlet pipe.

The invention has the following advantages:

1. in the clamping process, the rubber bag is completely attached to the outer surface of the copper casting through the deformation of the rubber bag, so that the rubber bag deforms according to the shape of the copper casting, then the electrorheological fluid is electrified and converted into a solid state, the shape of the rubber bag is fixed, and then the copper casting is clamped, so that the polishing lathe can effectively and stably clamp any irregular and complex-shaped copper casting during polishing, and the polishing efficiency of the irregular copper casting is greatly improved;

2. in the polishing process, the four top posts are driven to rotate through the rotation of the polishing block, the four top posts are continuously reciprocated through the contact between the top posts and the arc-shaped plate and the arc-shaped groove and the cooperation of the second spring, the suction plate is driven to reciprocate, dust generated by polishing in the polishing groove is absorbed, and the influence of dust overflow on the health of processing personnel is avoided;

3. the collected dust is stored in the storage box uniformly, so that the subsequent collection and reutilization are facilitated;

4. during polishing, the dedusted air enters the supply pipe after being filtered, is cooled by the semiconductor cooling sheet, is cooled, enters the annular cavity, is sprayed out by the pressurizing spray head to the surface of the copper casting to cool the copper casting, and avoids scalding processing personnel due to overhigh temperature;

5. the cold air flow sprayed out by the pressurizing spray head can not only cool the copper casting, but also form an air curtain at the port of the polishing groove, thereby effectively avoiding the overflow of polishing dust and fully absorbing and removing the polishing dust.

Drawings

FIG. 1 is a schematic structural view of an end grinding lathe for machining copper castings according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is a cross-sectional view taken along line D-D of FIG. 1;

fig. 6 is a cross-sectional view taken at C-C in fig. 1.

In the figure: the device comprises a base 1, a clamping block 2, a first electric push rod 3, a rubber bag 4, a conductive plate 5, a first spring 6, electrorheological fluid 7, a force sensitive resistor 8, a conductive plate 9, a driving motor 10, a connecting disc 11, a second electric push rod 12, a polishing block 13, a polishing groove 14, a dust suction cavity 15, a suction plate 16, a top column 17, a second spring 18, an absorption tube 19, a storage box 20, a dust inlet tube 21, a filter screen 22, a mounting groove 23, a cooling cavity 24, a semiconductor refrigeration sheet 25, a heat conduction plate 26, an annular cavity 27, a pressurizing nozzle 28, an air supply pipe 29, a solenoid coil 30, a magnetic column 31, an electromagnet 32, a sliding sleeve 33, a sliding block 34, a third spring 35, a polishing leather 36, an infrared induction probe 37, an arc-shaped groove 38 and an arc-shaped plate 39.

Detailed Description

Referring to fig. 1-6, an end polishing lathe for copper casting machining comprises a base 1, wherein the upper surface of the base 1 is fixedly connected with two first electric push rods 3 and a driving motor 10, and the output ends of the first electric push rods 3 are fixedly connected with a clamping mechanism;

the clamping mechanism comprises two concave clamping blocks 2, the openings of the two clamping blocks 2 are oppositely arranged, the outer side wall of the opening of each clamping block 2 is connected with a rubber bag 4, a conductive plate 5 is connected in each clamping block 2 in a sealing and sliding mode, a plurality of first springs 6 are fixedly connected between the conductive plate 5 and the inner wall of each clamping block 2, the inner side wall of each clamping block 2 is fixedly connected with a force sensitive resistor 8, the side wall, away from the first electric push rod 3, of each force sensitive resistor 8 is fixedly connected with a conductive plate 9, an electrorheological fluid 7 is filled between the conductive plate 5 and the rubber bag 4, the electrorheological fluid 7 can be converted from a liquid state into a solid state after the current reaches a certain degree, the clamping mechanism belongs to the prior art and is not repeated, the output end of a driving motor 10 is fixedly connected with a connecting plate 11, the side wall, away from the driving motor 10, of the connecting plate 11 is fixedly connected with two second electric push rods 12, and the output ends of the second electric push rods 12 are fixedly connected with a polishing block 13 together, the force-sensitive resistor 8 is electrically connected with the second electric push rod 12 through a lead, the extending length of the second electric push rod 12 is changed along with the change of the resistor, the extending length is longer the larger the current is, otherwise, the extending length is smaller, during polishing, a copper casting to be polished is arranged between the two rubber bags 4, the first electric push rod 3 is opened, the two rubber bags 4 are close to and contact with the copper casting, in the clamping process, the rubber bags 4 are completely attached to the outer surface of the copper casting through the deformation of the rubber bags 4, the rubber bags 4 deform according to the shape of the copper casting, after the deformation, part of electrorheological fluid 7 is squeezed into the clamping block 2, the conducting plate 5 slides until the conducting plate 5 is contacted with the conducting plate 9, the conducting plate 5 is electrified, the electrorheological fluid 7 is electrified, the liquid state is changed into the solid state, the shape of the rubber bags 4 is fixed, and then the copper casting is clamped, therefore, the polishing lathe can effectively and stably clamp any irregular copper casting with a complex shape during polishing, and polishing efficiency of the irregular copper casting is greatly improved.

It is worth mentioning that in the grinding and clamping process, no matter how large or small, the rubber bag 4 can be tightly attached to and clamped tightly, so that the grinding lathe can effectively clamp and grind copper castings of different sizes, and the application range of the grinding lathe is wider.

Be provided with grinding machanism in grinding block 13, grinding machanism is including seting up the groove 14 of polishing in grinding block 13, grind the infrared inductive probe 37 of roof fixedly connected with in groove 14, grind 14 inner wall fixedly connected with sliding sleeve 33 in groove, sliding connection has slider 34 in the sliding sleeve 33, fixedly connected with third spring 35 between slider 34 and the sliding sleeve 33, sliding sleeve 33 is located the outside one end fixedly connected with of sliding sleeve 33 and polishes skin 36, infrared inductive probe 37 can be when sensing the copper casting, make electro-magnet 32 circular telegram, make 3 outage of first electric putter simultaneously, for prior art, do not do the perusal here.

A dust suction mechanism is arranged in the grinding block 13, the dust suction mechanism comprises four dust suction chambers 15 and a mounting groove 23 which are arranged in the grinding block 13, a storage box 20 is connected in the mounting groove 23 in a sealing and sliding manner, as shown in fig. 2 and 5, holes are arranged on the side wall of the storage box 20, so that air with dust discharged by a dust inlet pipe 21 can enter the interior of the storage box through the holes, a suction plate 16 is connected in the dust suction chamber 15 in a sealing and sliding manner, four top columns 17 are connected in the grinding block 13 in a penetrating and sliding manner, one ends of the top columns 17 positioned in the corresponding dust suction chambers 15 are fixedly connected with the corresponding suction plate 16, a plurality of second springs 18 are fixedly connected between the top columns 17 and the grinding block 13, the grinding block 13 is fixedly connected with four suction pipes 19 and four dust inlet pipes 21 in a penetrating manner, one end of each suction pipe 19 penetrates and extends into the corresponding dust suction chamber 15, the other end penetrates and extends into the grinding groove 14, one end of each dust inlet pipe 21 extends into the corresponding dust suction chamber 15, the other end runs through and extends to mounting groove 23, be provided with filter screen 22 in the mounting groove 23, arc 38 has been seted up to base 1 upper surface, base 1 upper surface fixed connection has two arcs 39, arc 39 to arc 38, its radius reduces gradually, contact through fore-set 17 and arc 39 and arc 38, cooperate second spring 18 simultaneously, make four fore-set 17 continuous reciprocating motion, drive the 16 reciprocating motion of suction plate, the dust that will polish the production in the 14 inslots that will polish absorbs, it is healthy to avoid the dust overflow to influence the processing personnel.

A cooling mechanism is arranged in the polishing block 13, the cooling mechanism comprises a cooling cavity 24 arranged in the polishing block 13, a semiconductor refrigerating sheet 25 is arranged on the inner wall of the cooling cavity 24, a plurality of heat conducting plates 26 are fixedly connected with the semiconductor refrigerating sheet 25, an annular cavity 27 is arranged in the side wall of the polishing block 13, the polishing block 13 is fixedly connected with an air supply pipe 29 in a penetrating way, one end of the air supply pipe 29 penetrates and extends into the mounting groove 23, the other two ends of the air supply pipe penetrate and extend into the annular cavity 27, a plurality of pressurizing nozzles 28 are fixedly embedded in the inner side wall of the polishing block 13, the speed of the sprayed cold air is higher, an air curtain is formed at the port of the polishing groove 14, the overflow of polishing dust is effectively avoided, the polishing dust can be fully absorbed and removed, one end of the pressurizing nozzle 28 penetrates and extends into the polishing groove 14, the other end penetrates and extends into the annular cavity 27, as shown in figure 3, the air supply pipe 29 penetrates and passes through the cooling cavity 24, and spirals in the cooling chamber 24 and contacts the thermally conductive plate 26 to maximize the contact area with the thermally conductive plate 26, thereby maximizing the reduction in temperature of the air as it passes through the cooling chamber 24.

The cooling mechanism still includes four solenoid 30, solenoid 30 sets up in sanding block 13, all be provided with magnetic column 31 in four fore-set 17, along with fore-set 17 together motion through magnetic column 31, make magnetic column 31 reciprocating motion, make the magnetic flux in the solenoid 30 constantly change, produce induced current in the solenoid 30, supply with semiconductor refrigeration piece 25 and use, and the moving speed is faster, the induced current that produces is the bigger, semiconductor refrigeration piece 25's refrigeration efficiency is higher, thereby make refrigeration efficiency can change along with the change of the speed of polishing, play better refrigeration effect.

The absorption pipe 19 and the dust inlet pipe 21 are both provided with one-way valves, the one-way valve in the absorption pipe 19 only allows air to enter the dust suction cavity 15 from the grinding groove 14, and the one-way valve in the dust inlet pipe 21 only allows air to enter the mounting groove 23 from the dust suction cavity 15.

In the invention, a copper casting to be polished is placed between two clamping blocks 2, a first electric push rod 3 is started, the two clamping blocks 2 are enabled to approach the copper casting, a rubber bag 4 is enabled to be in contact with the copper casting, the rubber bag 4 is enabled to deform according to the shape of the copper casting along with continuous clamping, after deformation, partial electrorheological fluid 7 is squeezed into the clamping blocks 2, a current conducting plate 5 slides until the current conducting plate 5 is in contact with a current conducting plate 9, the current conducting plate 5 is electrified, the electrorheological fluid 7 is electrified and is changed from a liquid state to a solid state, the shape of the rubber bag 4 is fixed, then the copper casting is clamped, the pressure of the current conducting plate 5 on the current conducting plate 9 is continuously increased along with continuous clamping, so that the pressure of the current conducting plate 9 on a force sensitive resistor 8 is continuously increased, the resistance value of the force sensitive resistor 8 is continuously reduced along with continuous increase of the pressure, and the current passed by a second electric push rod 12 is continuously increased, continuously extending to drive the grinding block 13 to be continuously close to the copper casting until the copper casting moves over the infrared induction probe 37, stopping clamping of the first electric push rod 3, stopping movement of the second electric push rod 12, electrifying the electromagnet 32 to generate magnetic repulsion force on the sliding block 34, enabling the sliding block 34 to drive the grinding leather 36 to move, enabling the grinding leather 36 to be in contact with the edge of the end part of the copper casting, and preparing for grinding;

starting the driving motor 10, driving the connecting disc 11 to rotate by the driving motor 10, so that the grinding block 13 rotates, the grinding leather 36 is driven to rotate around the copper casting, the end edge of the copper casting is ground, and burrs are removed;

when the grinding block 13 rotates, the four top posts 17 are driven to rotate, the four top posts 17 continuously reciprocate in the rotation process of the grinding block 13 through the contact between the top posts 17 and the arc-shaped plate 39 and the arc-shaped groove 38 and the cooperation of the second spring 18, so that the suction plate 16 in the dust suction cavity 15 is driven to reciprocate, air in the grinding groove 14 is continuously sucked into the dust suction cavity 15 through the absorption pipe 19, then is pumped into the storage box 20 through the dust inlet pipe 21, enters the storage box 20, is filtered through the filter screen 22, dust is left in the storage box 20, and air continuously enters the air supply pipe 29;

along with the polishing, the top column 17 reciprocates up and down, the magnetic column 31 moves continuously, so that the magnetic flux in the corresponding solenoid coil 30 is changed continuously, induction current is generated in the solenoid coil 30 and is supplied to the semiconductor refrigeration sheet 25 to refrigerate, the temperature of the heat conduction plate 26 is reduced, when air is positioned in one section of the cooling cavity 24 through the air supply pipe 29, the temperature of the air in the air supply pipe 29 is reduced through the heat exchange of the heat conduction plate 26, and low-temperature air enters the annular cavity 27 through the air supply pipe 29 and then is sprayed out through the pressurizing nozzle 28 to the surface of the copper casting to reduce the surface temperature of the copper casting, so that processing personnel can be prevented from being scalded;

meanwhile, an air curtain is formed at the port of the grinding groove 14, so that the overflow of grinding dust is effectively avoided, and the grinding dust can be fully absorbed and removed.

After polishing, make the lathe outage for first electric putter 3 outage withdrawal this moment removes the centre gripping to the copper casting, and second electric putter 12 outage simultaneously makes polishing block 13 reset, and the copper casting that will polish the completion this moment takes off the back, puts into the copper casting of treating polishing again, polishes according to above-mentioned step can.

Claims

1. The end part grinding lathe for machining the copper castings comprises a base (1) and is characterized in that the upper surface of the base (1) is fixedly connected with two first electric push rods (3) and a driving motor (10), and the output ends of the first electric push rods (3) are fixedly connected with a clamping mechanism;

the clamping mechanism comprises two clamping blocks (2) which are shaped like a Chinese character 'ao', openings of the two clamping blocks (2) are arranged oppositely, the outer side wall of the opening of each clamping block (2) is connected with a rubber bag (4), the clamping blocks (2) are internally and slidably connected with a conductive plate (5), a plurality of first springs (6) are fixedly connected between the conductive plates (5) and the inner wall of each clamping block (2), the inner side wall of each clamping block (2) is fixedly connected with a force sensitive resistor (8), the side wall, far away from one side of a first electric push rod (3), of each force sensitive resistor (8) is fixedly connected with a conductive plate (9), an electrorheological fluid (7) is filled between each conductive plate (5) and the rubber bag (4), the output end of a driving motor (10) is fixedly connected with a connecting plate (11), and the side wall, far away from one side of the driving motor (10), of the connecting plate (11) is fixedly connected with two second electric push rods (12), and the output end of the second electric push rod (12) is fixedly connected with a grinding block (13) together.

2. The end grinding lathe for machining copper castings according to claim 1, characterized in that a grinding mechanism is arranged in the grinding block (13), the grinding mechanism comprises a grinding groove (14) formed in the grinding block (13), an infrared sensing probe (37) is fixedly connected to the inner top wall of the grinding groove (14), a sliding sleeve (33) is fixedly connected to the inner wall of the grinding groove (14), a sliding block (34) is slidably connected to the sliding sleeve (33), a third spring (35) is fixedly connected between the sliding block (34) and the sliding sleeve (33), and a grinding leather (36) is fixedly connected to one end, located outside the sliding sleeve (33), of the sliding sleeve (33).

3. The end grinding lathe for machining copper castings according to claim 2, characterized in that a dust suction mechanism is arranged in the grinding block (13), the dust suction mechanism comprises four dust suction chambers (15) and a mounting groove (23) which are arranged in the grinding block (13), a storage box (20) is connected in the mounting groove (23) in a sealing and sliding manner, a suction plate (16) is connected in the dust suction chambers (15) in a sealing and sliding manner, four top pillars (17) are connected in the grinding block (13) in a penetrating and sliding manner, one ends of the top pillars (17) which are positioned in the corresponding dust suction chambers (15) are fixedly connected with the corresponding suction plate (16), a plurality of second springs (18) are fixedly connected between the top pillars (17) and the grinding block (13), the grinding block (13) is fixedly connected with four suction pipes (19) and four dust inlet pipes (21) in a penetrating and sliding manner, absorption tube (19) one end runs through and extends to in corresponding suction chamber (15), and the other end runs through and extends to in grinding groove (14), advance dirt pipe (21) one end and run through and extend to in corresponding suction chamber (15), the other end runs through and extends to mounting groove (23), be provided with filter screen (22) in mounting groove (23), arc wall (38) have been seted up to base (1) upper surface, two arc panels (39) of fixed surface connection on base (1).

4. The end grinding lathe for machining copper castings according to claim 3, characterized in that a cooling mechanism is arranged in the grinding block (13), the cooling mechanism comprises a cooling cavity (24) arranged in the grinding block (13), a semiconductor cooling plate (25) is arranged on the inner wall of the cooling cavity (24), a plurality of heat-conducting plates (26) are fixedly connected to the semiconductor cooling plate (25), an annular cavity (27) is formed in the side wall of the grinding block (13), an air supply pipe (29) is fixedly connected to the grinding block (13) in a penetrating manner, one end of the air supply pipe (29) extends into the installation groove (23) in a penetrating manner, the other two ends of the air supply pipe extend into the annular cavity (27) in a penetrating manner, a plurality of pressurizing nozzles (28) are fixedly embedded in the inner side wall of the grinding block (13), one end of each pressurizing nozzle (28) extends into the grinding groove (14) in a penetrating manner, the other end extends into the annular cavity (27).

5. The end grinding lathe for machining copper castings according to claim 4, characterized in that the cooling mechanism further comprises four solenoids (30), the solenoids (30) are arranged in the grinding block (13), and magnetic columns (31) are arranged in all four of the top columns (17).

6. The end grinding lathe for machining copper castings according to claim 3, characterized in that check valves are provided in both the suction pipe (19) and the dust inlet pipe (21).