KR20060115799A - Gear Box Stone Cutting Machine - Google Patents

Abstract

The present invention relates to a gearbox-type stone cutting machine, and the rotational force of the drive motor is transmitted and driven through the gear meshed with the fixed shaft, thereby improving the cutting state of the stone being cut while maintaining the constant rotational force and rotational speed transmitted to the cutting blade The purpose is to make it possible.

To this end, the driving motor 11 is connected to the motor driving shaft 12 to generate a rotational force; and the coupling 13 for transmitting the rotational force by coupling the motor driving shaft 12 and the gear rotational shaft 14; And, Bevel gear 16 formed at the end of the gear rotating shaft 14 to change the rotation direction; and a cutting blade formed at the end of the cutting blade rotating shaft 17 formed on the other side of the bevel gear 16 to transmit the rotational force (18); And, the bearing 15 is formed on both sides of the gear rotating shaft 14 and the cutting blade rotating shaft 17, the rotational force is transmitted uniformly; And, formed on one side of the cutting blade 18, cutting blade Characterized in that comprises a; departure prevention box 19 for preventing the departure (18).

Description

Gear Box Stone Cutting Machine {CUTTER FOR STONE OF GEAR BOX TYPE}

1 is a configuration diagram of a conventional belt-type stone cutter.

Figure 2a and Figure 2b is a plan view on the plane and elevation of the gearbox-type stone cutter according to the present invention.

Figure 3 is a cross-sectional view of the bevel gear applied to the gearbox-type stone cutter according to the present invention.

Explanation of symbols on the main parts of the drawings

10 body 11 drive motor

12: motor drive shaft 13: coupling

14 gear shaft 15 bearing

16: bevel gear 17: cutting blade rotation axis

18: cutting blade 19: departure prevention box

The present invention is a gearbox-type stone cutting machine that can improve the cutting state of the stone to be cut while the rotational force of the drive motor is transmitted and driven through the gear meshed with the fixed shaft, the rotational force and the number of revolutions transmitted to the cutting blade is constant It is about.

In general, the plate-shaped stone or marble fixed to the outer wall of the cut state to a certain size is a means to double the luxury of the building. These stones are supplied on a small scale from the supplier in semi-processed condition. On the stone, the cutter is finally cut to the size required by the consumer and supplied to the construction site. The stone cutter to which the present invention is applied is used for this purpose.

Conventional stone cutting machine is a belt-type stone cutting machine, the motor driving pulley 112 is rotatably mounted on the drive motor 111, the motor driving pulley is fastened to one side of the belt and the other side of the belt cutting blade rotating pulley 117 is rotatably fastened.

In addition, as the cutting blade 118 is fitted on the same axis on the outside of the cutting blade rotating pulley, as the driving motor rotates and the motor driving pulley 112 rotates, the cutting blade rotating pulley 117 connected by the belt rotates. And, it is made of a structure capable of cutting the stone using the cutting blade 118 that rotates with the cutting blade rotating pulley 117.

As the belt-type stone cutter as described above transmits the rotational force of the drive motor to the cutting blade by using a belt, when the torque is greatly applied to the cutting blade, slippage or vibration occurs between the belt and the pulley, thereby preventing the rotation speed of the cutting blade from being transmitted. Not only does it rotate and shake.

When the stone is cut with a non-uniformly rotated cutting blade, the cutting surface of the stone is uneven and the width of the cutting portion is not widened. There was a problem that the consumption of more.

In addition, the strength of the stone is different depending on the type of stone, the stone of high strength has a limit in transmitting the rotational force through the belt, the rotational force of the cutting blade 118 falls and the load occurs on the belt to rotate the drive motor Significantly lowered the number gives the whole stone cutter a strain.

In addition, the conventional belt-type stone cutter has a cutting blade 118 is exposed to the outside, the cutting blade 118 from the motor drive pulley 112 or the cutting blade rotation pulley 117 while the belt is rotating when the worker is working. Hazards such as this is always present, there is a disadvantage that the quality of the product is degraded because the machine installation is designed horizontally.

Therefore, the technical problem to be achieved in the present invention is to improve the cutting state of the stone to be cut while maintaining the rotational force and the number of rotations transmitted to the cutting blade by the transmission drive through the gear meshed with the fixed rotational force of the drive motor and To provide a gear box-type stone cutter that can prevent the cutting blade is separated by positioning the cutting blade inside the gearbox.

Gear box-type stone cutter of the present invention for solving the above technical problem, in the stone cutter for cutting the stone uniformly, the drive motor 11 is connected to the motor drive shaft 12 to generate a rotational force; and the motor A coupling 13 for coupling the drive shaft 12 and the gear rotation shaft 14 to transmit the rotational force; and a bevel gear 16 formed at an end of the gear rotation shaft 14 to change the rotation direction. A cutting blade 18 formed at an end of the cutting blade rotating shaft 17 formed at the other side of the bevel gear 16 and transmitting rotational force; and formed on both sides of the gear rotating shaft 14 and the cutting blade rotating shaft 17. Bearing 15 to which the rotational force is uniformly transmitted; and a separation prevention box 19 formed at one side of the cutting blade 18 to prevent the cutting blade 18 from being separated. .

In addition, the bevel gear 16 is a machine box-type stone cutter, characterized in that the gear dimensions of the gear shaft 14 and the gear dimension of the cutting blade rotation shaft 17 is formed in a ratio of 1: 1.1 to 1.3 to uniformly transmit the rotational force. To provide.

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

2a and 2b is a state diagram of the configuration of the plane and the elevation of the gear box-type stone cutter according to the present invention.

As shown in the figure, the gear box-type stone cutter according to the present invention, the gear rotating shaft 14 connected to the drive motor 11 and the cutting blade rotating shaft 17 of the cutting blade 18 by the gear 16 is engaged. By being connected and fixed to rotate constantly, the rotational force and the number of revolutions transmitted to the cutting blade 18 are maintained to maintain a constant cutting state of the stone 100 to be cut.

Gear box-type stone cutting machine according to the present invention is the body 10 is made of an integral casting type and the structure that can transmit the rotational force of the drive motor 11 to the cutting blade 18 inside the body 10 is formed fastening Therefore, it is possible to reduce the reduction in vibration or the number of revolutions generated in the process of transmitting the rotational force of the drive motor (11).

The motor driving shaft 12 is connected to the shaft of the drive motor 11 formed on one side of the body 10 to generate a rotational force, the motor driving shaft 12 is coupled to the gear rotating shaft 14 by the coupling 13 Thus, the rotational force is transmitted to the gear rotating shaft 14.

In addition, the bevel gear 16 is formed at the end of the gear shaft 14, the rotational transfer direction is switched, the cutting blade rotation shaft 17 is formed on the other side of the bevel gear 16, the end of the cutting blade rotation shaft 17 Cutting edge 18 is fastened to the rotational force is transmitted.

Here, the bevel gear 16 has a gear dimension of the gear rotation shaft 14 and a gear dimension of the cutting blade rotation shaft 17 in a ratio of 1: 1.1 to 1.3 so that the rotational force of the driving motor 11 is applied to the cutting blade 18. Balanced and evenly delivered. 3 is a cross-sectional view of the bevel gear applied to the gearbox-type stone cutter according to the present invention.

Bearings are rotatably installed on both sides of the gear shaft, and bearings 15 are formed on the outer side of the gear shaft 14 coupled to the coupling 13 and on one side of the gear shaft connected to the bevel gear 16, respectively. The rotational force of the drive motor is transmitted evenly to the gear shaft.

And bearings are rotatably installed on both sides of the cutting blade rotation shaft, bearings on the end of the cutting blade rotation shaft 17 connected to the bevel gear 16, and one side of the cutting blade rotation shaft 17 connected to the cutting blade 18, respectively. 15 is formed so that the rotational force of the gear rotating shaft is transmitted uniformly to the cutting blade rotating shaft.

Cutting blade 18 of the position to cut the stone is exposed and the cutting edge of the position that does not cut the stone is formed a departure prevention box 19, wherein the departure prevention box is the outer side of the body so that about half of the cutting blade is covered It is integrally formed in the cutting blade 18 to prevent the separation.

Looking at the action of the gearbox-type stone cutter according to the present invention made as described above are as follows.

As the driving motor 11 rotates, the motor driving shaft 12 connected to the shaft of the driving motor 11 rotates, and the gear rotating shaft 14 connected by the motor driving shaft 12 and the coupling 13 rotates. Bevel gear 16 is engaged and rotates. At this time, by the bearing 15 located on both sides of the gear rotation shaft 14 between the coupling 13 and the bevel gear 16, the gear rotation shaft 14 rotates to minimize shaking to transmit the rotational force to the bevel gear 16. .

In addition, when the bevel gear 16 rotates, the cutting blade rotating shaft 17 rotates, and as the cutting blade rotating shaft 17 rotates, the cutting blade 18 connected to the cutting blade rotating shaft 17 rotates to cut the stone.

At this time, the rotation direction of the cutting blade rotation shaft 17 is the opposite direction to the rotation direction of the gear rotation shaft 14 and the motor drive shaft 12 by the bevel gear 16, the cutting blade 18 is preferred for cutting stone To be rotated in the rotational direction (left turn based on FIG. 2A), the rotational direction of the gear rotation shaft 14 is adjusted in a direction opposite to the rotational direction of the cutting blade rotation shaft 17 (right turn based on FIG. 2A).

Bearings 15 are also located on both sides of the cutting blade rotating shaft 17 so that the rotational force transmitted from the gear rotating shaft 14 is uniformly transmitted to the cutting blade rotating shaft 17 and the rotational force of the cutting blade rotating shaft 17 is the cutting blade 18. To be balanced.

Next will be described by comparing the gearbox-type stone cutter and the belt-type stone cutter of the present invention having the same function as described above.

Table 1 below shows the savings of the gearbox-type stone cutter and the belt-type stone cutter of the present invention based on the diamond 10 "used for the cutting blade 18.

        Kind Content Gearbox mold (Conventional) belt type  At the time of use of one piece  4 days 2.5 to 3 days  25 days working ≒ Chapter 6.3 ≒ 8.3 to 10  12 months working 6.3 * 12 months ≒ 75 sheets 8.3 * 12 months ≒ 99.6 chapters 10 * 12 months = 120 sheets  12 months at 7 heads 7 * 75 = 525 sheets 7 * 99.6 = chapter 697.2 7 * 120 = 840 chapters KRW 70,000 per book (standard) 525 * 70,000 = $ 36,750,000 697.2 * 70,000 = 48,804,000KRW 840 * 70,000 = 58,800,000KRW 50,000 won per book (standard) 525 * 50,000 = $ 26,250,000 697.2 * 50,000 = 34,860,000 840 * 50,000 42,000,000 ratio Standard time ∼25 ~ 38% increase

As shown in Table 1 above, the gearbox-type stone cutter of the present invention transmits the rotational force of the drive motor 11 to the cutting blade 18 uniformly, and shows a 25 to 38% performance improvement over the conventional belt-type stone cutter. I can tell.

The stone cut by the stone cutting machine of the present invention has a high processing precision when constructing a stone construction using this stone, the construction quality is excellent, suppresses the occurrence of disasters, and inevitably reduces noise, dust, and vibration that occur in the workshop As stone processing companies' perceptions change due to environmental improvement, it will be very helpful in securing manpower. In addition, it is expected to greatly reduce cost, quality improvement and prevention of stone pollution by increasing orders by increasing stone precision.

보다 훨씬 많은 3.7 mg/

이 발생하고 있다. 정밀가공의 필요성이 증가되면서 분진 발생과 폭로시간 증가로 근로자가 유해요인에 폭로되는 정도가 심해지고 있다. 기존 벨트형 석재절단기에서 기어박스형 재단방식으로 개선할 경우 비산분진은 0.1mg/

으로 획기적인 감소와 소음도 97dB에서 상당한 수준 이하로 감소가 예상된다. The characteristics of dust generated in the cutting process of cutting stone surface is silica sand with 70 ~ 74% of free silicic acid (SiO ₂ ) content (granite standard) and belongs to the first class dust, so the exposure standard is 2 mg /

Much more than 3.7 mg /

This is happening. As the need for precision processing increases, workers are exposed to harmful factors due to dust generation and increased exposure time. When improving from the existing belt type stone cutter to the gear box type cutting method, the fugitive dust is 0.1mg /

As a result, a drastic reduction and noise reduction are expected to be considerably lower than 97 dB.

The workforce is expected to be reduced by 1/2 times compared to the existing belt cutting method, the defect rate is remarkably reduced, and the precision of stone products is excellent, thereby improving potential factors of stone claims.

Therefore, the expected economic effect of equipment development is expected to be 94 million won per year due to labor cost reduction, cost reduction and quality improvement. The economic forecasts for each category are shown in Table 2 below.

division Before Improvement (Belt Type) After improvement (gear box type) Savings Savings Manpower Influence 2 people 1 person 1 person Labor cost reduction 2 people 1 person 50% (1 person) 1 person * 25 million won = 25 million won / year Import substitution effect  5,000 / set  150 thousand / set  100 million won Cost Reduction Bad loss

/일*26일 *12월*0.01=624

-불량품발생손실액 40,000원*624 =25백만원-Defective foundation: 1%-Defective year = 200

/ Day * 26 days * December * 0.01 = 624

Loss of defective products 40,000 won * 624 = 25 million won 0 100% Cost reduction of defective parts for foundation with 1% of total output = 40,000 won * 624

= 25 million won / year Tool (diamond saw) -Belt type:-Diamond top: 1,225 won (70,000 won / 400

* 7 heads)-Top cost = annual output * 62,400

(200 production per day

* 26 days * 12 months) * 1225 won = 76 million won -Gear box type:-Diamond top: 616 won (70,000 won / 800)

* 7 heads)-Top cost = annual output * 62,400

(200 production per day

* 26 days * 12 months) * 616 won = 38 million won 50% Belt-gear box type = 76 million won-38 million won = 38 million won / year Environmental treatment cost 624

* 10,000 won = 6 million won 0 100% 6 million won / year Productivity effect Annual replacement effect Labor cost reduction and cost reduction + Productivity Effect = 94 Million Won

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, the terms or words used in the present specification and claims are defined in the technical spirit of the present invention on the basis of the principle that the inventor can appropriately define the concept of the term in order to explain his invention in the best way. It must be interpreted to mean meanings and concepts.

While the invention has been described and illustrated in connection with a preferred embodiment for illustrating the principles of the invention, the invention is not limited to the construction and operation as shown and described as such. Rather, it will be apparent to those skilled in the art that many changes and modifications to the present invention are possible without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

As described above, the gearbox-type stone cutter of the present invention is fixed to the gear rotation shaft connected to the driving motor and the cutting blade rotation shaft of the cutting blade to be connected by the meshing of the gears so that the rotational speed and the number of revolutions transmitted to the cutting blade are fixed constantly. Improved cutting state of the stone being cut while maintaining, it is possible to remove the risk factors such as the components are separated by placing the parts such as cutting blades inside the gearbox.

And since the machine installation is arranged vertically, there is less twisting of the machine, so the state of the product to be cut is improved, and the gearbox is formed as an integral type of casting type, which greatly reduces the vibration caused by the weight of the machine. The cost can be reduced by 1/3 to 2/5 compared to the conventional belt-type stone cutter.

Claims (2)

In the stone cutter which cuts the stone uniformly, A driving motor 11 connected to the motor driving shaft 12 to generate a rotational force; and Coupling 13 for transmitting the rotational force by coupling the motor drive shaft 12 and the gear rotation shaft 14; And, Bevel gear 16 formed at the end of the gear rotation shaft 14 to switch the rotation direction; And, A cutting blade 18 formed at an end of the cutting blade rotating shaft 17 formed at the other side of the bevel gear 16 and transmitting a rotational force; Bearings 15 formed on both sides of the gear rotating shaft 14 and the cutting blade rotating shaft 17 to uniformly transmit the rotating force; Gear box-type stone cutter, characterized in that comprises; formed on one side of the cutting blade 18 to prevent the departure blade box 19 to prevent the cutting blade 18 from being separated. The method according to claim 1, The bevel gear 16 is a machine box-type stone cutter, characterized in that the gear size of the gear shaft 14 and the gear dimension of the cutting blade rotation shaft 17 is formed in a ratio of 1: 1.1 to 1.3, the rotational force is uniformly transmitted. .

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