KR200308673Y1 - Sanding machine - Google Patents

Abstract

The present invention relates to a sanding machine that performs a sanding operation for household appliances such as cutlery, while adopting a method of fixing the holder part in the interior of the main body, the main body forms only a minimum space for the introduction of the household articles and at the same time By providing a predetermined dust collecting means to completely solve the problem of dust generated inside the main body during the sanding operation to the outside, it is possible to create a pleasant working environment at all times, thereby protecting the health of the worker On the other hand, by setting the holder portion for mounting the household articles in one place, by adopting a method of performing the operation while moving only the nozzle portion for sanding process back and forth, the overall work cycle time, such as to reduce the process step of the sanding operation by one step This can be drastically shortened, which greatly improves productivity. It is to provide a sanding machine that can be expected.

Description

Sanding Machine

The present invention relates to a sanding machine that performs sanding work on household appliances such as cutlery, and more particularly, by sanding work means fixedly placed inside the body of the sanding machine so as to be isolated from the outside at the time of sanding work as much as possible. By adopting a separate dust collecting means, it is possible to prevent the deterioration of the working environment due to dust generated during sanding work and to protect the health of the worker, and also to adopt the driving method to reciprocate back and forth only the nozzle part for sanding process. By doing so, the overall work cycle time of the sanding work can be shortened, and accordingly, the present invention relates to a sanding machine capable of improving productivity.

In general, household appliances such as cutlery and chopsticks are usually decorated by sanding treatment using a sanding machine.

As shown in Figs. 7 and 8, the sanding machine is two sets of left and right by one driving means at the rear of the main body 10, and is moved back and forth within the compressed air and sand or glass bits. And the nozzle unit 11 for discharging) and the nozzle unit 11 are respectively installed outside the main body 10 to enter the inside of the main body 10 through the doorway 12 to perform sanding. It is largely comprised by the two sets of holder parts 13 which return to the exterior of the main body 10. As shown in FIG.

At this time, each of the nozzles 11 is a portion for performing sanding treatment on the current collector, substantially two nozzles 14 having a pipe for supplying compressed air and sand, and a crosspiece 15 supporting the nozzles. And a longitudinal pole 16 and a cylinder 17 for forward and backward movement for the forward and backward movement of the nozzle 14, wherein the holder portion 13 is a portion for holding the current collector, and includes a set of holder blocks for fixing the current collector. 18), a lifting cylinder 19 for incorporation and separation of the holder block 18, and a left and right moving cylinder 20 for moving all of them to the inside and outside of the main body 10.

Here, the front and rear movement cylinders 17 arranged on both sides are driven back and forth simultaneously by one driving means.

Reference numeral 21 denotes a frame for supporting the holder portion 13, and 22 denotes a molding frame for producing various patterns or shapes.

Therefore, as shown in FIG. 8, after the separation of the holder block 18 through the operation of the lifting cylinder 19, the collector is mounted on the holder block 18 by the coalescing operation, and then the left and right moving cylinders 20 The entire holder portion 13 on the outside of the main body 10 is moved to the working position in the main body 10 through the doorway 12 through the operation of the main body 10, and the operation of the forward and backward moving cylinder 17 by the driving means is continued. By spraying compressed air and sand or glass bits using the nozzle 14 while approaching the nozzle unit 11 through the collector, it is possible to perform a sanding operation for the collector.

After the sanding operation, the household appliances can be removed by being sent back to the outside of the main body 10 by the left and right moving cylinders 20.

However, the conventional sanding machine as described above has several problems as follows.

1) The entrance portion 12 of a considerable size must be formed on the side portion of the main body 10 for access of the holder portion 13, through which a large amount of dust generated during sanding work is blown out to the work environment. There is a problem that makes the poor, and thereby hurts the health of the worker.

2) Looking at the working process, after moving the holder 13 to the inside of the main body 10, the operation is carried out while moving the nozzle unit 11 back and forth, and again the holder 13 to the outside of the main body 10 Since there are several stages to move to, the overall work cycle time is long, which leads to a problem of low productivity.

3) If any one of the two sets of work failure occurs, the driving means of the nozzle unit is connected to one, so the work cannot be performed until the maintenance of one side is completely completed, resulting in a problem of low productivity.

Therefore, the present invention has been devised in view of such a point, and while adopting a method of fixing the holder to the inside of the main body, the main body is provided with a predetermined dust collecting means inside the main body while forming only a minimum space for the introduction of dust collectors. In order to completely solve the problem of dust generated from the inside of the body during the sanding work to the outside completely, it is possible to create a comfortable working environment at all times, thereby providing a sanding machine to protect the health of the worker The purpose is.

In addition, another object of the present invention is to set the holder portion for mounting the household articles in one place, by adopting a method of performing the operation while moving only the nozzle portion for sanding process, it is possible to reduce the process step of the sanding operation by one step The overall work cycle time can be significantly shortened, thus providing a sanding machine that can be expected to have an excellent effect in terms of productivity.

In addition, it is possible to perform the work at both sides at the same time or only one side to provide a sanding machine that can be expected to achieve a much better effect in terms of productivity, even if any one breaks down.

The present invention for achieving the above object is a nozzle unit for performing a sanding operation through the injection of compressed air and sand, and a driving means for the front and rear movement thereof, and a holder unit for mounting and removing the household appliances having a molding frame and In the sanding machine including a main body for accommodating the nozzle portion and the holder portion, the holder portion is composed of a lifting cylinder and a coalescing / detachable holder block that is fixedly installed on the support plate while being disposed close to the inner front side of the main body It is possible to receive the current collector through the small size of the current collector injection hole formed in the front of the main body, the nozzle portion is disposed in front of the holder portion fixed to the inside of the main body while moving back and forth to the holder side to perform the sanding operation It is characterized by including a structure that can be performed.

In addition, the collector air input hole is characterized in that the size larger than the diameter of the collector mounting groove of the holder block and not more than twice the diameter.

In addition, the inside of the main body of the lower part including the sanding work zone in the middle including the upper and lower two separators, the dust collecting fan and the dust collecting filter, the dust collecting hopper and the discharge port including the upper and lower separators are opened. It is characterized by being divided into dust collection area.

In addition, the drive means is connected to the motor having a wheel on the shaft, the link member and connecting rod which can adjust the length and convert the rotational force of the wheel into a linear motion to provide power to the cylinder for forward and backward movement of the nozzle portion, It is arranged in parallel with the cylinder for the front and rear movement, characterized in that it comprises a guide bar for guiding the operation of the cylinder for the front and rear movement during the link movement of the link member.

In addition, the drive means is characterized in that the one-to-one double speed to the nozzle portion and the holder portion.

In addition, it characterized in that it comprises a separator for separating the hopper for dust collection in the main body to the left and right two places.

1 is a perspective view showing a front structure of a sanding machine according to the present invention

Figure 2 is a perspective view showing the back structure of the sanding machine according to the present invention

3 is a front view of the sanding machine according to the present invention

Figure 4 is a side cross-sectional view showing the internal structure of the sanding machine according to the present invention

5 is a front view showing an enlarged structure of the sanding work site in the sanding machine according to the present invention

Figure 6 is a side cross-sectional view showing a state of use of the sanding machine according to the present invention

Figure 7 is a side cross-sectional view showing the internal structure of a conventional sanding machine

8 is an enlarged view showing a state of use of FIG.

9 is a perspective view showing an enlarged structure of the sanding work site in the conventional sanding machine

<Explanation of symbols for main parts of drawing>

10: main body 11: nozzle

12: doorway 13: holder

14: nozzle 15: crossbar

16: vertical stand 17: cylinder for forward and backward movement

18: holder block 19: cylinder for raising and lowering

20: left and right movement cylinder 21: frame

22: forming frame 23: support plate

24: Intake holes into the household appliances 25: Home appliances mounting groove

26: separator 27: dust collecting fan

28 Dust collection filter 29 Dust collection hopper

30: outlet 31: wheel

32: motor 33: link member

34: guide bar 35: connecting rod

36: inspection window

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

1 is a perspective view showing a front structure of a sanding machine according to the present invention.

As shown in Figure 1, the front of the main body 10 has a check window 36 that allows the operator to directly check the sanding work proceeding in both places, the dust collection fan 27 for dust collection on the upper portion It is provided, and the drive means, ie, the means for moving back and forth in the nozzle portion is disposed.

In particular, the main body 10 has a hermetic structure, which is blocked by a wall except for a part of the front surface, and there are four collectors inlet holes 24 formed at the bottom of the inspection window 36 for mounting the collectors. It is.

At this time, it is preferable that the current collector input hole 24 is formed to have a size larger than the diameter of the current collector mounting groove 25 of the holder block 18 described later and not more than twice the diameter.

Therefore, in the present invention, by providing the main body 10 having a structure almost closed as described above, dust generated inside during sanding operation can not come out of the outside of the main body 10 at all, thus a comfortable work without dust You can create an environment.

Figure 2 is a perspective view showing the back structure of the sanding machine according to the present invention.

As shown in Fig. 2, the configuration of the driving means for operating the nozzle unit 11 is shown here.

The drive means provided by the sanding machine of the present invention is composed of two one-to-one, respectively, assigned to two sets of nozzle portions 11 and holder portions 13 so that sanding operations for each set can be independently performed. .

To this end, the drive means is a motor 32 having a wheel 31 on the shaft is fixed to the rear of the main body 10 through the frame means, the wheel 31 of the motor 32 is a linear motion rotational movement One side of the link member 33 to be converted to the connection is made, and the other side of the link member 33 is made of a structure that is connected to the cylinder 17 for the forward and backward movement of the nozzle unit 11 using the connecting rod 35. .

In addition, one side of the front and rear movement cylinder 17 is disposed in parallel with the guide bar 34 is supported by using the connecting table 35, it is possible to accurately guide the operation of the front and rear movement cylinder 17. Will be.

In addition, since the link member 33 has a screw assembly structure, the length of the link member 33 can be adjusted, and the stroke of the cylinder 17 for forward and backward movement, that is, the nozzle part 11, is adjusted by the length adjustment of the link member 33. It is possible to vary the back and forth movement distance.

Accordingly, when the wheel 31 is rotated by the driving of the motor 32, the link member 33 moves the connection table 35 while performing the reciprocating link movement along the rotational track of the wheel 31, As a result, the front and rear movement cylinder 17 coupled to the connecting table 35 can move the nozzle unit 11 back and forth while moving forward and backward.

Here, two inspection windows 36 are provided on the rear surface of the main body 10, and the inspection window 36 at this time can check the state in which dust is collected.

3 is a front view of a sanding machine according to the present invention.

As shown in FIG. 3, the arrangement of the nozzle unit 11 performing the sanding operation is shown here.

Inside the main body 10, one set of nozzles 11 are arranged on each side, and each set of nozzles 11 is capable of simultaneously performing sanding operations on two collectors.

The structure and operation relationship of the nozzle unit 11 will be described later.

In addition, a dust collecting zone is disposed at the center of the main body 10, and dust generated at both sides together with the operation of the dust collecting fan 27 is collected in the dust collecting zone and then filtered through the dust collecting filter 28.

In addition, below the dust collecting zone, a separating plate 40 bilaterally divided into the main body is formed.

Figure 4 is a side cross-sectional view showing the internal structure of the sanding machine according to the present invention.

As shown in FIG. 4, the structure of the holder part 13 for mounting the collector is shown here, and the arrangement of the nozzle part 11 and the driving means.

The holder portion 13 has a fixed structure that is disposed close to the inside of the front of the main body 10.

That is, the holder block 18 and the lifting and lowering cylinder 19 for coalescing and separating thereof are disposed directly inside the collector-injecting hole 24 in the front of the main body 10, and the holder block 18 at this time. The cylinder for lifting and lowering 19 is fixedly installed on the support plate 23 provided on the inner wall surface of the main body 10.

Since the holder block 18 and the lifting cylinder 19 of the holder 13 are fixedly installed in one place, an operation mechanism for the sanding operation may be configured as a mechanism for operating only the nozzle unit 11. Can be.

This can reduce the operation step by one step as compared to the mechanism for operating the holder portion 13 and the nozzle portion 11 as before, it is possible to significantly reduce the overall work cycle time.

The nozzle portion 11 is disposed in front of the holder portion 13 and can be moved back and forth, and thus the sanding operation can be performed while proceeding to the holder portion 13 side.

That is, the nozzle part 11 is the holder part 13 through the operation of the motor 32 → the rotation of the wheel 31 → the link motion of the link member 33 → the forward and backward movement of the cylinder 17 for forward and backward movement. The sanding operation can be performed by being positioned to the side.

At this time, it is effective to block the rod portion of the cylinder for moving back and forth with a bellows-shaped cover to protect from dust or sand.

In addition, Figure 4 shows the internal structure of the main body 10 is divided into three upper and lower zones in order to process the dust generated during the sanding operation.

For example, the upper part of the main body 10 may be a dust collecting zone to collect and filter dust using a dust collecting fan 27 and a dust collecting filter 28, and the middle is a sanding work zone where dust generation is concentrated. The two separators 26 are arranged at regular intervals so that dust can be collected more effectively, and the lower part is a dust collection area with thick particles, and sand or glass bit dust falling down to the dust collection hopper ( 29) and then can be removed through outlet 30 at appropriate times.

Below the dust collection zone is formed a separation plate 40 which bisects the dust collection hopper 29 to the left and right, which means that if one of the two sets of working areas fails, dust from the other during repair of the failed one It is to prevent this penetration as much as possible.

5 is a front view showing an enlarged structure of the sanding work site in the sanding machine according to the present invention.

As shown in FIG. 5, the structure of the nozzle part 11 and the holder part 13 is shown here concretely.

The sanding machine provided in the present invention is provided with two sets of nozzle parts 11 on the left and right, and one set of nozzle parts 11 includes one vertical rod 16 and two upper and lower two coupled to the rod of the cylinder 17 for forward and backward movement. It consists of four nozzles 14 in total, one up and down, installed using two cross bars 15.

In addition, in the case of the holder part 13, two sets of left and right sides are provided, and one set of holder parts 13 has a holder block 18 having two air collector mounting grooves 25, one on each side. It is composed of one lifting cylinder (19) for operating the holder block 18 of the.

The rod of the elevating cylinder 19 is coupled to the upper block for coalescing and separating the holder block 18, and thus, the coalescing of the holder block 18 by the operation of moving the upper block up and down relative to the lower block. Separation is possible.

In addition, each block is provided with a mold one by one up and down, so that the upper and lower surfaces of the household appliances can be simultaneously patterned or shaped, the sanding machine of the present invention is carried out at the same time sanding operation for four household appliances You can do it.

Therefore, looking at the sanding process using the sanding machine provided by the present invention.

As shown in FIG. 6, first, the operator lifts and lowers the cylinder 19 for the holder part 13 in response to the operator's switch operation signal, and the operator releases the holder block 18 upward and downward. The collector is put into the collector mounting groove 25 in the holder block 18 by introducing the collector through the collector input hole 24 on the front side of the holder.

When the collector is located in the holder block 18 as described above, the holder block 18 can be firmly held by the lowering operation of the cylinder 19 for lifting and lowering.

After the installation of the current collector, the motor 32 of the driving means is driven and the wheel 31 and the link member 33 interlock with each other to operate the cylinder 17 for forward and backward movement while the nozzle unit 11 is the holder block 18. When the nozzle 14 reaches the working part of the current collector, compressed air and sand or glass bits are sprayed therefrom, and the sanding operation through the molding die 22 is performed. Will be done.

In the state where the sanding operation is in progress, the dust collecting fan 27 is operated together to suck the dust generated during the sanding operation, and is filtered through the dust collecting filter 28.

After the sanding work nozzle 14 is backed out, the lifting cylinder 19 is operated again, and all sanding work can be ended by taking out the completed air current in the state where the holder block 18 is opened. .

As described above, in the sanding machine provided by the present invention, since the main body can be completely sealed by using only the internal fixed holder part, the main body can be completely sealed, so that the sanding machine is hardly affected by dust generated during sanding. In addition, since the sanding operation can be performed by operating only the nozzle unit, the work cycle time due to the reduction of the process step can be greatly reduced.

In addition, the present invention can perform the operation by operating the device at the same time or separately from each of the two places of the device, even if any one of the failure during the operation can be repaired the other side while continuing to operate.

As described above, the present invention provides a sanding machine provided with a predetermined dust collecting means in the main body while at the same time placing the holder portion inside the main body through a small hole, so that dust generated inside the main body during sanding operation It is possible to completely solve the problem of flying outside, thereby creating a pleasant working environment at the same time has the advantage of protecting the health of the worker.

In addition, by providing a sanding machine of the method of performing the operation while moving the nozzle portion for sanding back and forth to the holder portion fixed in one place, it is possible to significantly reduce the overall work cycle time of the sanding work, thereby improving productivity There is an advantage that can be expected.

In addition, the device can be driven at the same time or separately from both sides, and even if a failure occurs in either side, the maintenance can be performed while the driving is in progress.

Claims (5)

A nozzle unit 12 for sanding through the injection of compressed air and sand, a drive means for moving back and forth, and a holder unit 13 for mounting and removing the houseware while having a forming mold 22; In the sanding machine comprising a main body 10 for receiving the nozzle portion 12 and the holder portion 13, The holder part 13 is composed of a lifting cylinder 19 and a coalescing / removable holder block 18 fixedly installed on the support plate 23 while being disposed close to the inner front side of the main body 10. It is to be supplied with the current collector through the small size of the current collector injection hole 24 formed in the front of the 10, the nozzle unit 12 is fixed to the holder portion 13 is installed inside the main body 10 Sanding machine characterized in that it comprises a structure that is arranged in front of the holder portion 13 to perform the sanding operation while moving back and forth. 2. The body of claim 1, wherein the interior of the main body 10 includes an intermediate sanding work zone including two upper and lower separator plates 26, a dust collecting fan 27, and a dust collecting filter 28. Sanding machine, characterized in that divided into the lower dust collection area, including the dust collecting section of the upper, the dust collection hopper 29 and the discharge port (30). The method of claim 2, wherein the separation plate 40 for dividing the dust collecting hopper 29 into two places below the front opening of the two separator plates 26 in the main body 10. Sanding machine characterized by. According to claim 1, wherein the drive means is a motor 32 having a wheel 31 on the shaft, the length is adjustable and the cylinder for the forward and backward movement of the nozzle portion 11 by converting the rotational force of the wheel 31 to a linear motion The link member 33 and the connecting table 35 for providing power to the (17) side, and are connected to the connecting table 35 and arranged in parallel with the front and rear movement cylinder 17, during the link movement of the link member 33 Sanding machine, characterized in that it comprises a guide bar (34) for guiding the operation of the cylinder 17 for moving forward and backward. The sanding machine according to claim 1 or 4, wherein the drive means is one-to-one assigned to a set of nozzle portions (11) and holder portions (13).