KR20210116850A - Burr removal device for blanked material - Google Patents

Abstract

The present invention relates to a blanking workpiece deburring device. The device comprises a first removing part, a reversal inducing part, and a second removing part. The first removing part includes: a first transfer conveyor for transferring a workpiece; a magnet for applying magnetic force to the workpiece; a grinding part installed on an upper side of the first transfer conveyor and grinding an upper surface of the workpiece; and a polishing part for polishing the upper surface of the workpiece. The reversal inducing part turns over the workpiece which has passed through the first removing part. The second removing part includes: a second transfer conveyor for transferring the reversed workpiece; a magnet for applying magnetic force to the workpiece transferred after being placed on the second transfer conveyor; a grinding part for grinding the workpiece moving along the second transfer conveyor; and a polishing part for polishing the workpiece. The blanking workpiece deburring device of the present invention can remove all burrs remaining on the surface of the workpiece by sequentially surfacing one side surface and the other side surface of the blanking workpiece. In addition, non-stop grinding and polishing of the workpiece is possible, such that the processing time is very short, and productivity is good. In addition, the workpiece remains fixed to a transfer belt by the action of the magnet while being transferred by the conveyor, such that there is no fear of splashing outside even when subjected to a high-speed rotational force, thereby achieving safety.

Description

Burr removal device for blanked material

The present invention relates to a deburring device, and more particularly, to a blanking workpiece deburring device capable of quickly and safely removing burrs remaining on both surfaces of a blanking workpiece.

There are various types of machining methods using the physical properties of metal, and among them, there is a pressing process in which a material is placed between molds and pressed. The pressing process produces parts of a required shape by pressing a relatively thin metal plate, and includes blanking, punching, drawing, forming, cutting, and the like.

Among them, blanking processing is a processing method of extracting a desired shape from a workpiece using a press device. The blanking press device has a basic structure of a lower mold in which a hole of a designed shape is formed, and an upper mold that moves up and down in the vertical upper part of the lower mold, and lowers the upper mold while placing the workpiece on the lower mold to lower the processed material. has a punching structure.

Such blanking processing has the advantage of being able to easily produce shapes having various shapes or dimensions, but has a problem in that burrs may be left on the corners of the processing results. Accordingly, after the blanking process, a process of removing the burr is necessarily performed in order to improve the quality of the machining result.

In order to remove the burr, in the past, manual work was done using a polishing apparatus such as a hand grinder, but this manual operation takes a lot of time and the efficiency is greatly reduced. Also, the condition of the deburring surface was not even and the quality of the product was deteriorated in many cases.

In order to solve this problem, various types of powered deburring devices have been proposed. For example, through Korean Patent Registration No. 10-0653129, an upper roller formed on the inside of the body and having a pressing member movably assembled on the outer surface, and the upper roller in close contact with the upper roller and an anti-separation ring on the outer surface of the upper part A pressing means consisting of a lower roller assembled so as to be in close contact with the inner surface of the pressing member of the roller, a pair of positioning members formed on one side of the pressing means and having a plurality of guide rollers formed therein, an auxiliary roller formed inside the body, the auxiliary roller A first crimping member formed between, moving left/right by a handle formed on one side of the body, and comprising a pair of first rollers and a second roller having a groove formed in the center portion, and formed to correspond to the first crimping member, the body A second crimping member that moves left and right by a hydraulic cylinder formed on the other side and is composed of a pair of first rollers and a second roller with a groove formed in the center, a pair of sandpaper coupled to the long hole formed in the body and rotated by a motor A deburring device including a bar has been disclosed.

Domestic Patent Publication No. 10-0653129 (deburring device) Domestic Patent Publication No. 10-1737743 (Flat washer manufacturing device with deburring function) Domestic Patent Publication No. 10-2008-0109215 (Metal case deburring device)

The present invention was created to solve the above problems, and it is possible to remove burrs without leaving a burr by sequentially surfacing one side and the other side of the blanking processed material, and the processing time is short, the productivity is good, An object of the present invention is to provide a safe blanking processing material deburring device because there is no risk of splashing.

The blanking processing material deburring device of the present invention as a means of solving the problem for achieving the above object is a primary conveying conveyor that receives and conveys the blanking processed material of a certain thickness, and puts it on the conveying belt of the primary conveying conveyor A magnet that applies magnetic force to the workpiece to be transported and fixed to the transport belt, a grinding part installed on the upper side of the primary transport conveyor and grinding the upper surface of the workpiece moving along the transport belt, toward the grinding part a primary removal unit having a cutting oil supply unit for supplying cutting oil, a polishing unit installed on a downstream side of the grinding unit for polishing the upper surface of the finished workpiece, and a casing for accommodating the grinding unit, the cutting oil supply unit, and the polishing unit; a reversal induction part passing through the primary removal part and turning over the processed material to expose the unprocessed bottom surface to the upper part; A magnet that receives the overturned processed material for the reversal induction unit and applies a magnetic force to the second transfer conveyor, which is placed on the transfer belt of the secondary transfer conveyor and transferred to the transfer key, so that the processed material is fixed to the transfer belt, A grinding part installed on the upper side of the secondary transport conveyor and grinding the upwardly exposed surface of the workpiece moving along the transport belt, a coolant supply part supplying cutting oil to the grinding part side, installed on the downstream side of the grinding part and finished grinding A polishing unit for polishing the upwardly exposed surface of the workpiece, and a secondary removal unit having a casing for accommodating the grinding unit, the coolant supply unit, and the polishing unit are included.

In addition, the grinding unit; A support beam fixed in the casing, a lower roller installed horizontally under the support beam and having roller shafts at both ends, a shaft bearing mounted on the roller shaft and rotatably supporting the lower roller, and supporting the shaft bearing Fixed rod connecting the beam to maintain the lower roller at a certain height, the upper roller installed horizontally on the upper side of the support beam and having roller shafts at both ends, the upper roller is mounted on both ends of the roller shaft of the upper roller and the upper roller can be rotated A shaft bearing that supports the upper roller, a resilient rod that connects the shaft bearing of the upper roller and the support beam, is stretchable in the longitudinal direction, and elastically supports the upper roller upward, is supported by the upper and lower rollers and rotates circulating along the upper and lower rollers A grinding belt for grinding the workpiece passing between the lower roller and the conveying belt, a belt pulley fixed to the shaft bearing of the upper roller and receiving rotational force input from the outside and transmitting it to the upper roller, spaced in parallel in the casing a plurality of grinding machines arranged; a transmission belt connecting the belt pulley of the grinding machine; a grinding machine motor that applies a rotational force to the upper roller of one of the plurality of grinding machines so that all grinding machines are operated at the same time; It is installed at the lower end of each grinding machine to cover the upstream front and downstream rear areas of the grinding machine and to prevent the material from splashing during grinding. It is fixed to both sides of the shaft bearing that supports the lower roller of each grinding machine. An elastic plate that is inclined downward and is elastically deformable in a direction away from the shaft bearing, is installed rotatably at an extended end of the elastic plate, and is provided with a blocking cover having a plurality of wheels rolling on a conveyance belt.

In addition, the polishing unit; A drum holder fixed to a support structure in a casing, a rotating drum in the form of a disk and rotatably installed under the drum holder, a belt pulley connected to the rotating shaft of the rotating drum and positioned above the drum holder, the rotating drum A plurality of polishing machines provided in the abrasive cloth for polishing the surface of the workpiece and arranged to be spaced apart from each other; a transmission belt connecting the belt pulley; It has a grinding motor which rotates one belt pulley among the plurality of belt pulleys so that all grinding machines are operated at the same time.

In addition, the secondary transport conveyor is located in the vertical lower part of the primary transport conveyor, and the reversal induction unit receives the processed material discharged from the primary transport conveyor and moves it downward and puts it on the secondary transport conveyor in an inverted state, the plate a slider for guiding the workpiece to the secondary conveying conveyor, a cover that is spaced apart from the slider and prevents separation of the workpiece, and the lowering speed of the workpiece installed on the slider and the cover and descending It has a number of roll brushes that slow down.

The blanking workpiece deburring apparatus of the present invention made as described above can remove the burrs remaining on the surface of the workpiece by sequentially surfacing one side and the other side of the blanking workpiece.

In addition, since non-stop grinding and polishing of the workpiece is possible, the processing time is very short and the productivity is good.

In addition, since the workpiece remains fixed to the conveying belt by the action of the magnet while being conveyed by the conveyor, there is no fear of splashing outside even when subjected to a high-speed rotational force, so it is safe.

1 is a block diagram showing the overall structure of a blanking workpiece deburring apparatus according to an embodiment of the present invention.
FIG. 2 is a side view showing a part of the first grinding machine shown in FIG. 1 .
FIG. 3 is a side view showing a part of the second grinding machine shown in FIG. 1 .
4 is a perspective view for explaining the configuration of a blocking cover installed at the lower end of the first and second grinding machines of FIG. 1 .
5 is a cross-sectional view separately illustrating the inversion induction unit of FIG. 1 .

Hereinafter, one embodiment according to the present invention will be described in more detail with reference to the accompanying drawings.

The burr removal device of the present invention is an apparatus for removing burrs remaining on the upper and lower surfaces of the workpiece while passing the workpiece manufactured through the preceding blanking process. The basic configuration of such a deburring device is a primary transfer conveyor that receives and transfers a blank processed material of a certain thickness, and the processed material is transferred by applying magnetic force to the processed material that is placed on the transfer belt of the primary transfer conveyor and transferred. A magnet to be fixed to the belt, a grinding part installed on the upper side of the primary transport conveyor and grinding the upper surface of the workpiece moving along the transport belt, a coolant supply part supplying cutting oil to the grinding part, a downstream side of the grinding part a primary removal unit having a polishing unit installed and polishing the upper surface of the finished workpiece, a casing for accommodating the grinding unit, the cutting oil supply unit, and the polishing unit; a reversal induction part passing through the primary removal part and turning over the processed material to expose the unprocessed bottom surface to the upper part; A magnet that receives the overturned processed material for the reversal induction unit and applies a magnetic force to the second transfer conveyor, which is placed on the transfer belt of the secondary transfer conveyor and transferred to the transfer key, so that the processed material is fixed to the transfer belt, A grinding part installed on the upper side of the secondary transport conveyor and grinding the upwardly exposed surface of the workpiece moving along the transport belt, a coolant supply part supplying cutting oil to the grinding part side, installed on the downstream side of the grinding part and finished grinding It consists of a polishing part for polishing the upwardly exposed surface of the workpiece, and a secondary removal part having a casing for accommodating the grinding part, the coolant supply part, and the polishing part.

Figure 1 is a block diagram showing the overall structure of the blanking workpiece deburring apparatus 10 according to an embodiment of the present invention, Figure 2 is a side view showing a part of the first grinding machine (22A) shown in Figure 1 and FIG. 3 is a side view showing a part of the second grinding machine 22B shown in FIG. 1 . 4 is a perspective view for explaining the configuration of the blocking cover 24 installed at the lower end of the first and second grinders. In addition, FIG. 5 is a cross-sectional view separately showing the inversion induction unit of FIG. 1 .

As shown, the deburring apparatus 10 according to the present embodiment has a basic structure of a primary removal unit 20 , an inversion induction unit 50 , and a secondary removal unit 80 . The primary removal unit 20 grinds and polishes the upper surface of the processed material 100 supplied from the outside, and the reversal induction unit 50 serves to reverse the processed material 100 .

In addition, the secondary removal unit 80 processes the upwardly exposed surface of the processed material 100 in an inverted state, that is, the opposite surface of the surface processed in the primary removal unit. The internal configuration of the primary removal unit 20 and the secondary removal unit 80 is the same, but only the positions of the grinding unit 22 and the polishing unit 27 are different.

In addition, the secondary removal unit 80 is installed in the vertical lower portion of the primary removal unit 20, and the processed material 100 processed in the primary removal unit 20 is automatically transferred to the secondary removal unit 80 by the action of gravity. do.

As mentioned above, the workpiece 100 is a workpiece manufactured by blanking an iron plate of a certain thickness and has a certain thickness, and its shape varies depending on the shape of the part to be manufactured.

As shown in FIG. 1 , the processed material 100 supplied through the supply conveyor 11 is mounted on the primary transfer conveyor 30 riding on the inclined plate 13 .

The primary removal unit 20 includes a primary transport conveyor 30 , a magnet 45 , a grinding unit 22 , a coolant supply unit 25 , a polishing unit 27 , and a casing 21 .

The casing 21 takes the form of a box and provides an inner space 21b in the upper portion of the primary transport conveyor 30 . A support structure 21a for supporting the grinding unit 22 , the polishing unit 27 , and the cutting oil supply unit 25 is appropriately disposed in the inner space 21b .

The primary conveying conveyor 30 is a driving roller 31b, a driven roller 31c, a conveying motor 31d for rotating the driving roller 31b, a driving roller 31b and a driven roller 31c. and a transport belt (31a). The primary transport conveyor 30 itself has a general structure, and moves the processed material 100 supplied through the swash plate 13 in the direction of the arrow a.

The magnet 45 has a plate-like structure and supports and supports the transfer belt 31a in a state disposed between the driving roller 31b and the driven roller 31c, and outputs a magnetic force to the upper portion of the transfer belt 31a. The workpiece 100 moving in a state of being loaded on the transfer belt 31a is relatively fixed to the upper surface of the transfer belt 31a under the influence of magnetic force. When the workpiece 100 is out of the range of influence of the magnet 45 , it may descend from the transfer belt 31a in the direction of the arrow b.

The magnet 45 is an electromagnet and is connected to the control unit 41 and the power supply unit 43 . The control unit 41 induces the power of the power supply unit 43 to the magnet 45 so that the magnet 45 outputs a magnetic force. Of course, in some cases, a permanent magnet may be applied instead of an electromagnet.

The grinding part 22 has the 1st grinding machine 22A, the 2nd grinding machine 22B, the transmission belt 23q, the grinding machine motor 23s, and the blocking cover 24. The first grinder 22A and the second grinder 22B have the same structure, and are spaced apart from each other in the casing 21 in parallel. 3, the drive shaft of the grinding machine motor 23s is directly connected to the belt pulley 23d of the second grinding machine 22B.

As shown, the first grinding machine 22A includes a support beam 21c, a lower roller 23k, a lower shaft bearing 23n, a fixed rod 23p, an upper roller 23a, and an upper shaft bearing 23c. , a resilient rod (23h), a grinding belt (23j), and a belt pulley (23d).

The support beam 21c is supported by the support structure 21a inside the casing 21 and is a horizontally extended bar-shaped member, and horizontally supports the upper and lower rollers 23a and 23k.

The lower roller 23k is installed horizontally in the vertical lower portion of the support beam 21c and has roller shafts 23m at both ends. The roller shaft 23m is a rotation axis of the lower roller 23k and extends in a direction orthogonal to the feeding direction of the workpiece 100, and has upper shaft bearings 23c at both ends. The lower shaft bearing 23n axially supports the roller shaft 23m.

In addition, both lower shaft bearings 23n are fixed to the support beam 21c via a fixed rod 23p. The support beam 21c is a rod-shaped member having a constant length, and supports the lower roller 23k through the lower shaft bearing 23n. That is, the lower roller 23k is floated by a predetermined interval from the upper surface of the conveying belt 31a. The distance between the lower roller 23k and the conveying belt 31a is a distance that the grinding belt 23j winding around the lower roller 23k can grind the upper surface of the workpiece 100 . In some cases, the distance of the lower roller 23k with respect to the support beam 21c may be embodied so as to be adjustable.

The upper roller 23a is installed horizontally on the upper side of the support beam 21c and has roller shafts 23b at both ends. The roller shaft 23b is surrounded by the upper shaft bearing 23c as the rotational center axis of the upper roller 23a. The upper shaft bearing 23c axially supports the roller shaft 23b. In addition, a belt pulley 23d is fixed to one end of the roller shaft 23b. The belt pulley 23d is a pulley on which the transmission belt 23q is applied, and transmits the rotational force transmitted through the transmission belt 23q to the roller shaft 23b.

The elastic rod 23h is a stretchable rod connecting the upper shaft bearing 23c and the support beam 21c, and has a leg supporter 23f, a spring 23g, and a lifting leg 23e. The leg supporter 23f is a cylindrical member extending in the vertical direction, and the lower end is fixed to the support beam 21c, is opened upward, and receives the spring 23g.

In addition, the lifting leg 23e is a round bar having a lower end inserted into the leg supporter 23f and supported by a spring 23g, and an upper end coupled to the upper shaft bearing 23c. The lower end of the elevating leg 23e can be elevated while being restrained by the leg supporter 23f, and is elastically supported upward by the spring 23g.

The grinding belt 23j is a grinding belt of a certain width that circulates along the upper and lower rollers in a state that spans the upper roller 23a and the lower roller 23k. On the outward surface of the grinding belt 23j, a grinding surface having the same roughness as that of sandpaper is formed. The grinding belt 23j always maintains a taut state by the action of the spring 23g.

The second grinder 22B has the same structure as the first grinder 22A, and a repeated description thereof will be omitted. The first grinding machine (22A) and the second grinding machine (22B) are connected to each other by a transmission belt (23q) in a parallel and spaced apart state.

In addition, as mentioned above, the second grinding machine 22B is connected to the grinding machine motor 23s. As a result, by operating the grinding machine motor 23s, the first and second grinding machines 22A and 22B operate simultaneously to perform grinding on the workpiece 100 .

In the blocking cover 24, the workpiece 100 that is ground while passing through the lower part of the lower roller 23k does not overcome the kinetic energy of the grinding belt 23j, and protrudes in the rotational direction of the grinding belt 23j. to prevent For example, it is to prevent splashing under the force of the grinding belt 23j rotating in the arrow d direction.

As mentioned above, the magnet 45 is disposed on the bottom surface of the transfer belt 31a, and even if the workpiece 100 is in close contact with the transfer belt 31a by the magnetic force of the magnet 45, in some cases, When the kinetic energy of the conveying belt 31a on the processed material 100 is greater than the magnetic force of the magnet 45, the processed material 100 may fly by receiving the force of the conveying belt 31a, and the blocking cover 24 is prepared for the occurrence of such a situation.

The blocking cover 24 is installed at the lower end of the first and second grinding machines 22A and 22B, and covers the upstream front and downstream rear regions of the first and second grinding machines 22A and 22B, and the workpiece during grinding In order to prevent the bouncing phenomenon, a pair of elastic plates 24a and a plurality of wheels 24c mounted on each elastic plate 24a are provided.

The elastic plate 24a is fixed to both sides of the lower shaft bearing 23n, and is a metal plate that is inclined downward in a direction away from the lower shaft bearing 23n and is elastically deformable. As the elastic plate 24a, a stainless steel plate can be curved and applied.

The wheel 24c is rotatably mounted to the extended ends of the elastic plates 24a on both sides through the wheel shaft 24b, and rolls on the conveyance belt 31a. In addition, a lower passage 24e is provided between the wheels 24c. The lower passage 24e is a passage through which the workpiece 100 passes.

Referring back to FIG. 1 , the workpiece 100 that receives the magnetic force of the magnet 45 and has passed through the lower portion of the grinding unit 22 passes through the polishing unit 27 . The polishing part 27 serves to finely grind the grinding surface of the workpiece 100 once again, and the first grinding machine 27A, the second grinding machine 27B, the first and second grinding machines 27A, 27B) It has a transmission belt (28g) for connecting, and a polishing motor (28e) directly connected to the second polishing machine (27B).

The first polishing machine 27A has a drum holder 28c, a rotary drum 28a, a polishing cloth 28b, and a belt pulley 28d. The drum holder 28c is fixed to the support structure 21a and rotatably supports the rotating drum 28a. It goes without saying that the drum holder 28c is positioned vertically above the transfer belt 31a.

The rotating drum 28a takes the form of a disk and is rotatably installed under the drum holder 28c. The rotating shaft of the rotating drum 28a extends vertically upward and is coupled to the belt pulley 28d. When the belt pulley 28d rotates, the rotating drum 28a rotates at the same time.

In addition, the abrasive cloth 28b is a band-shaped fabric having a certain width and is struck downward in a state of being fixed to the rotating drum 28a. The abrasive cloth 28b is impregnated with abrasive particles, rotates when the rotary drum 28a rotates, and the workpiece 100 passing through the lower part is finely polished. The principle is similar to that of a drum-type mop to clean the car body in an automatic car wash.

The second grinder 27B is spaced apart from the side of the first grinder 27A and operates simultaneously with the first grinder 27A. The second polishing machine 27B has the same configuration as the first polishing machine 27A, and a repeated description thereof will be omitted.

The transmission belt 28g is a belt connecting the belt pulleys 28d of the first and second grinders 27A and 27B, and transmits the rotational force of the second grinder 27B to the first grinder 27A. The polishing motor 28e is directly connected to the belt pulley 28d of the second polishing machine 27B and simultaneously operates the first and second polishing machines 27A and 27B.

The processed material 100 finely polished while passing through the lower portion of the polishing unit 27 leaves the primary transfer conveyor 30 and enters the reversal induction unit 50 along the arrow b direction.

The inversion induction unit 50 passes through the primary removal unit 20 and serves to turn over the processed material 100 and expose the unprocessed bottom surface to the upper side. In other words, the upper surface of the processed material in the primary removal unit 20 is turned over so that the lower surface rises upward, so that the unprocessed lower surface is ground and polished.

The reversal induction unit 50 receives the processed material 100 discharged in the direction of the arrow b from the primary transfer conveyor 30, moves it downward, and raises it on the secondary transfer conveyor 60 in an inverted state, with a slider 51 and Consists of a cover (53). The secondary transport conveyor 60 is located in the vertical direction below the primary transport conveyor 30 . In addition, the secondary removal unit 80 is also disposed under the primary removal unit 20 .

The slider 51 and the cover 53 are spaced apart at regular intervals and provide a descending passage 52 therebetween. The descending passage 52 is a path for guiding the workpiece 100 downward. The interval between the slider 51 and the cover 53 is less than or equal to three times the thickness of the workpiece 100 .

An inlet portion 50a is provided at the upper end of the assembly including the slider 51 and the cover 53, and an outlet portion 50b is provided at the lower end. The inlet part 50a is a passage for receiving the workpiece 100 , and the outlet part 50b is an outlet for raising the workpiece 100 on the secondary transfer conveyor 60 . The outlet portion (50b) is curved toward the upper surface of the secondary transfer conveyor (60).

The slider 51 serves to guide the workpiece 100 to the secondary transfer conveyor 60 , and the cover 53 is a descending passage 52 for the workpiece 100 without departing from the slider 61 . pass through the inside.

In addition, the slider 51 is provided with a large number of fittings 51a, and a roll brush 55 is provided in each of the fittings 51a. The roll brush 55 is rotatable through the brush support shaft 55a and protrudes to the inside of the descending passage 52 . A plurality of mounting holes 53a are also formed in the cover 53 , and a roll brush 55 is installed in each of the mounting holes 53a. The roll brush 55 is supported by the brush support shaft 55a in the mounting hole 53a and is axially rotatable.

The plurality of roll brushes 55 described above serves to reduce the descending speed of the workpiece 100 descending through the descending passage 52 . The free-falling workpiece 100 passes through the side of the roll brush 55 and is decelerated. At this time, foreign substances adhering to the surface of the processed material 100 are removed by the roll brush 55 . The roll brush 55 serves to decelerate the descending speed of the workpiece 100 and simultaneously remove foreign substances.

The processed material 100, in a state inverted by the reversal induction part 50, passes through the grinding part 22 and the polishing part 27 of the secondary removal part 80 in turn, and then falls into the discharge conveyor 70 . The secondary removal unit 80 has the same configuration and operation as the primary removal unit 20, and repeated description thereof will be omitted.

The discharge conveyor 70 receives the processed material that has been processed on both sides (top and bottom) and guides it to the collection box 78 , and has an air blower plate 75 on the conveyor belt 71 . The air blowing plate 75 serves to blow the air supplied from the blower 77 downward to dry the workpiece 100 . In some cases, a heater 76 may be installed between the blower 77 and the air blower plate 75 to blow hot air. The processed material 100 is collected in a collection box 78 after being dried while being transported by the discharge conveyor 70 .

As mentioned above, although the present invention has been described in detail through specific embodiments, the present invention is not limited to the above embodiments, and various modifications are possible by those of ordinary skill within the scope of the technical spirit of the present invention.

10: deburring device 11: supply conveyor 13: inclined plate
20: Primary removal unit 21: casing 21a: support structure
21b: inner space 21c: support beam 22: grinding part
22A: 1st grinder 22B: 2nd grinder 23a: Upper roller
23b: roller shaft 23c: upper shaft bearing 23d: belt pulley
23e: elevating leg 23f: leg supporter 23g: spring
23h: elastic rod 23j: grinding belt 23k: lower roller
23m: Roller shaft 23n: Lower shaft bearing 23p: Fixed rod
23q: electric belt 23s: grinding machine motor 24: blocking cover
24a: elastic plate 24b: wheel shaft 24c: wheel
24e: lower passage 25: coolant supply part 27: polishing part
27A: 1st grinder 27B: 2nd grinder 28a: Rotary drum
28b: abrasive cloth 28c: drum holder 28d: belt pulley
28e: abrasive motor 28g: electric belt 30: 1st transfer conveyor
31a: transfer belt 31b: drive roller 31c: driven roller
31d: transfer motor 41: control unit 43: power supply unit
45: magnet 50: inversion induction part 50a: inlet part
50b: exit part 51: slider 51a: mounting hole
52: descending passage 53: cover 53a: mounting hole
55: Roll brush 55a: Brush support shaft 60: Second transfer conveyor
70: exhaust conveyor 71: conveyor belt 75: air ejection plate
76: Heater 77: Blower 78: Collection box
80: secondary removal unit 100: processing material

Claims (4)

A primary transfer conveyor that receives and transfers a blank processed workpiece of a certain thickness, a magnet that is placed on the transfer belt of the primary transfer conveyor and applies magnetic force to the processed material to be transferred so that the processed material is fixed to the transfer belt, the above 1 A grinding part installed on the upper side of the differential feed conveyor and grinding the upper surface of the workpiece moving along the conveying belt, a coolant supply part supplying cutting oil to the grinding part, and the upper surface of the workpiece being ground and installed downstream of the grinding part a polishing unit for polishing a primary removal unit having a casing accommodating the grinding unit, the cutting oil supply unit, and the polishing unit;
a reversal induction part passing through the primary removal part and turning over the processed material to expose the unprocessed bottom surface to the upper part;
A magnet that receives the overturned processed material for the reversal induction unit and applies a magnetic force to the second transfer conveyor, which is placed on the transfer belt of the secondary transfer conveyor and transferred to the transfer key, so that the processed material is fixed to the transfer belt, A grinding part installed on the upper side of the secondary transport conveyor and grinding the upwardly exposed surface of the workpiece moving along the transport belt, a coolant supply part supplying cutting oil to the grinding part side, installed on the downstream side of the grinding part and finished grinding A blanking workpiece deburring apparatus including a polishing part for polishing an upwardly exposed surface of a workpiece, and a secondary removal part having a casing for accommodating the grinding part, the coolant supply part, and the polishing part. According to claim 1,
The grinding unit;
A support beam fixed in the casing, a lower roller installed horizontally under the support beam and having roller shafts at both ends, a shaft bearing mounted on the roller shaft and rotatably supporting the lower roller, and supporting the shaft bearing Fixed rod connecting the beam to maintain the lower roller at a certain height, the upper roller installed horizontally on the upper side of the support beam and having roller shafts at both ends, the upper roller is mounted on both ends of the roller shaft of the upper roller and the upper roller can be rotated A shaft bearing that supports the upper roller, a resilient rod that connects the shaft bearing of the upper roller and the support beam, is stretchable in the longitudinal direction, and elastically supports the upper roller upward, is supported by the upper and lower rollers and rotates circulating along the upper and lower rollers A grinding belt for grinding the workpiece passing between the lower roller and the conveying belt, a belt pulley fixed to the shaft bearing of the upper roller and receiving rotational force input from the outside and transmitting it to the upper roller, spaced in parallel in the casing a plurality of grinding machines arranged;
a transmission belt connecting the belt pulley of the grinding machine;
a grinding machine motor that applies a rotational force to the upper roller of one of the plurality of grinding machines so that all grinding machines operate simultaneously;
It is installed at the lower end of each grinding machine to cover the upstream front and downstream rear areas of the grinding machine and to prevent the material from bouncing during grinding. It is fixed to both sides of the shaft bearing that supports the lower roller of each grinding machine A blanking processing material deburring device comprising: an elastic plate that is inclined downward in a direction away from the shaft bearing and is elastically deformable; . According to claim 1,
the polishing unit;
A drum holder fixed to a support structure in a casing, a rotating drum in the form of a disk and rotatably installed under the drum holder, a belt pulley connected to the rotating shaft of the rotating drum and positioned above the drum holder, the rotating drum A plurality of polishing machines provided in the abrasive cloth for polishing the surface of the workpiece and arranged to be spaced apart from each other;
a transmission belt connecting the belt pulley;
A blanking processing material deburring device having a polishing motor for rotating one belt pulley among the plurality of belt pulleys to simultaneously operate all polishing machines. According to claim 1,
The secondary transport conveyor is located in the vertical lower portion of the primary transport conveyor,
The reversal induction unit receives the processed material discharged from the primary transfer conveyor, moves it downward, and raises it on the secondary transfer conveyor in an inverted state,
A slider that takes the form of a plate and guides the processed material to the secondary conveying conveyor;
a cover that is spaced apart from the slider and prevents separation of the processed material;
A blanking workpiece deburring device installed on the slider and the cover and having a plurality of roll brushes for slowing down the descending speed of the descending workpiece.

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