KR102117591B1 - Machining center - Google Patents

Abstract

The present invention relates to a machining center, a frame, a table that is installed on the frame and the object to be processed is set, and a head portion installed in the frame so as to be movable in multiple directions based on the table, and setting on the table A processing unit installed in the head portion to process the processed object, a driving portion for moving the head portion so that the processing object can be processed into a pre-designed shape, and is installed adjacent to the head portion to be processed by the driving portion A guard unit for preventing the head portion from colliding with an obstacle adjacent to the frame when the head portion is moved, and a heating unit installed in the injection nozzle and heating the cutting oil sprayed from the injection nozzle.
The machining center according to the present invention has an advantage of preventing a head portion from colliding with an adjacent obstacle when the head portion is moved because a guard portion capable of protecting the head portion is provided.

Description

Machining center

The present invention relates to a machining center, and relates to a machining center that cuts an object set on a table using a tool and processes it into a pre-designed shape.

In general, the machining center is widely used as a member of a CNC (Computerized Numerical Control) device that is capable of automatically performing three-dimensional processing based on input processing data because it is equipped with three-dimensional processing and computerized numerical control functions when processing molds and machine parts. Is becoming.

The machining center is largely coupled to a bed corresponding to a base plate supporting each component, and an LM guide or the like on an upper surface of the bed to allow reciprocating sliding on the bed. Consists of a plurality of columns installed to be perpendicular to the bed on both sides of the bed, a crossbar connecting the both columns, and a head coupled by the crossbar and the mobile unit to which a tool for machining a workpiece is coupled.

However, the conventional machining center has a disadvantage in that the head is damaged or the defect is generated by the collision of the head and the obstacle because the protective means for guarding the collision of the head with the obstacle adjacent to the machining center is not provided when the head moves.

Registered Patent Publication No. 10-1713439: Multi spindle machining center

The present invention was devised to improve the above problems, and an object thereof is to provide a machining center provided with a guard portion for protecting the head portion so as to protect the head portion from colliding with an obstacle when moving.

The machining center according to the present invention for achieving the above object is a frame, a table that is installed on the frame and the object to be processed is set, and a head portion that is respectively installed in the frame to be movable in multiple directions based on the table, A processing unit installed in the head portion so as to process the object to be set in the table, a driving unit for moving the head portion so that the object can be processed into a pre-designed shape, and is installed adjacent to the head portion A guard unit for preventing the head portion from colliding with an obstacle adjacent to the frame when the head portion is moved by the driving unit, and a heating unit installed in the injection nozzle and heating the cutting oil sprayed from the injection nozzle.

The heating unit is coupled to the injection nozzle, the extension member is extended in a direction away from the coupling member, the extension member extending so that the end of the injection nozzle into the cutting oil injection range, and is installed at the end of the extension member , A heating member that generates heat at a predetermined temperature to heat the cutting oil sprayed from the spray nozzle, and is installed on the extension member to apply vibration to the extension member so that the heating member moves back and forth within the cutting oil spraying range of the spray nozzle A vibrator is provided.

The heating member is installed at the end of the connecting member, extends a predetermined length along the direction of injection of the cutting oil sprayed from the spray nozzle, the portion of the spray nozzle to which the cutting oil is sprayed to prevent the cutting oil from scattering upward It is provided with a heating plate for heating the interference plate is installed on the interference plate and the interference plate installed on the connecting member to be spaced upwardly with respect to the hole.

The heating member is formed to protrude downwardly on the lower surface of the interference plate, where the cutting oil injected from the injection nozzle collides, and may further include at least one interference protrusion.

It is preferable that the guard portions are installed to face each other based on the head portion and extend in a direction away from the head portion, and the lower portion is preferably provided with a plurality of guard plates formed to be inclined to be spaced apart from the head portion than the upper portion.

The cutting oil supply unit is connected to the injection nozzle through a supply pipe, a supply tank for receiving the cutting oil therein, a supply pump installed in the supply pipe to pump the cutting oil accommodated in the receiving tank into the injection nozzle, and the supply pipe It is installed on the provided with a heating unit for heating the cutting oil supplied to the injection nozzle to a predetermined temperature.

The machining center according to the present invention has an advantage of preventing a head portion from colliding with an adjacent obstacle when the head portion is moved since a guard portion capable of protecting the head portion is provided.

1 is a side view of a machining center according to the invention,
Figure 2 is a front view of the machining center of Figure 1,
3 is a plan view of the machining center of FIG. 1,
4 is a front view of a machining center according to another embodiment of the present invention,
5 is a front view of the heating unit of the machining center according to another embodiment of the present invention,
FIG. 6 is a perspective view of the heating unit of FIG. 5.

Hereinafter, a machining center according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The present invention can be applied to various changes and may have various forms, and specific embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to a specific disclosure form, and it should be understood as including all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing each drawing, similar reference numerals are used for similar components. In the accompanying drawings, the dimensions of the structures are shown to be enlarged than the actual for clarity of the present invention.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from other components. For example, the first component may be referred to as a second component without departing from the scope of the present invention, and similarly, the second component may be referred to as a first component.

Terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, terms such as “include” or “have” are intended to indicate the presence of features, numbers, steps, actions, elements, parts or combinations thereof described in the specification, but one or more other features. It should be understood that the existence or addition possibilities of fields or numbers, steps, actions, components, parts or combinations thereof are not excluded in advance.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person skilled in the art to which the present invention pertains. Terms, such as those defined in a commonly used dictionary, should be interpreted as having meanings consistent with meanings in the context of related technologies, and should not be interpreted as ideal or excessively formal meanings unless explicitly defined in the present application. Does not.

1 to 3 shows a machining center 100 according to the invention.

Referring to the drawings, the machining center 100 can be moved in multiple directions based on the frame 110, the table 120 on which the object to be processed is set, and the table 120. The head unit 130 installed in the frame 110, the processing unit 140 installed in the head unit 130 so as to be able to process the processing object set in the table 120, and the processing object The driving unit 150 for moving the head unit 130 so that it can be processed into a pre-designed shape, and the frame when the head unit 130 is moved by the driving unit 150 is installed on the head unit 130 A guard unit 160 is provided to prevent the head unit 130 from colliding with an obstacle adjacent to the 110.

The frame 110 includes a base member 111 and a cover member 112 installed along the edge of the base member 111 so that a processing space in which an object to be processed is set is provided on the base member 111 and the upper part of the base member 111. To be equipped.

The cover member 112 protrudes upward from the base member 111, and extends along the edge of the base member 111, the upper side is open, and an entrance is formed to allow an operator to enter and exit from one side. The door is provided with an opening and closing door 113 so that the operator can selectively open and close. In addition, the cover member 112 is provided with a work window so that the operator can see the working state of the object set therein.

The table 120 is fixed to the upper surface of the base member 111 inside the cover member 112, and a fixing unit (not shown) for fixing a workpiece to be seated thereon is installed. The fixing unit is a fixing means for fixing the object to be processed in a machine tool such as the machining center 100, a detailed description thereof will be omitted. At this time, the table 120 is installed on the base member 111 to be slidable along the front-rear direction.

The driving unit 150 includes a first body 151 movably installed in the front-rear direction on the upper surface of the base member 111 at a position adjacent to the table 120, and a first movement for moving the table 120 in the front-rear direction. The unit 152, the first body 151 is installed to be movable in the left-right direction, the head unit 130 is installed on the front to be movable in the vertical direction, the second body 153, and the second body A second moving unit 154 for moving 153 in the left-right direction and a third moving unit 155 for moving the head 130 in the vertical direction relative to the second body 153 are provided.

The first to third moving units 152, 154, and 155 are actuators such as jack screws, which are generally used in a machine tool including a machining center 100, and thus detailed description thereof will be omitted. In addition, the driving unit 150 is not limited to a driving device using an actuator such as a jack screw, but various types of work capable of driving the head unit 130 in the vertical, horizontal, and front-rear directions relative to the table 120. Any driving means of the machine can be applied.

The head part 130 is movably supported in the frame 110 by the driving part 150 in the multi-direction, and is slidably installed in the second body 153 of the driving part 150 in the vertical direction. 120), the processing unit 140 is installed in the lower portion facing.

The processing unit 140 is installed on the head unit 130, a spindle 141 on which a tool for processing the object to be processed is mounted, and a spindle 141 installed on the spindle 141 to rotate the spindle 141 A drive motor (not shown), an injection nozzle (not shown) that is installed on the head portion 130 and sprays cutting oil to a cutting part of the object to be cut by the tool, and supplies cutting oil to the spray nozzle It has a cutting oil supply part (not shown).

The spindle 141 is rotatably installed on the lower portion of the head portion 130 so that the lower portion protrudes out of the head portion 130, and a fixing chuck (not shown) is provided at the lower portion so that a tool can be coupled. The driving motor is installed in the head portion 130 to be connected to the spindle 141 to rotate the spindle 141.

The injection nozzle is installed on the head portion 130 adjacent to the spindle 141, and an internal flow path through which the cutting oil passes is formed inside, and an injection hole through which the cutting oil passing through the internal flow path is injected is formed in the lower portion. At this time, the injection nozzle is preferably installed so that the injection hole toward the lower end of the tool installed on the spindle (141).

Although the cutting oil supply unit is not illustrated in the drawing, it is connected to the injection nozzle through a supply pipe, and an inside of the receiving tank accommodated with the cutting oil is installed, and the cutting oil installed in the supply pipe is pumped with the cutting nozzle accommodated in the receiving tank to the injection nozzle. And a pump.

In addition, although not shown in the drawings, the cutting oil supply unit 200 is installed in the injection nozzle 205 through a supply pipe so that various types of cutting oil can be selectively supplied to the injection nozzle. A plurality of receiving tanks, and a valve unit installed on the supply pipe and communicating any one selected by an operator among the receiving tanks to the injection nozzle 205 and the valve unit 220 installed on the supply pipe 211 It is provided with a supply pump for pumping the cutting oil of the receiving tank connected to the supply pipe 211 by the injection nozzle (205).

At this time, the supply pipe 211 has a main pipe having one end connected to the injection nozzle 205, and one end connected to the other end of the main pipe, and the other end having a plurality of branch pipes respectively connected to the receiving tanks. Each of the receiving tanks accommodates cutting oil, and different cutting oils, that is, cutting oils having different viscosities or components, are respectively accommodated. Here, the valve unit is provided with a plurality of opening and closing valves that are respectively installed in the branch pipes to open and close the internal flow path of the branch pipe through which the cutting oil passes. The operator operates the opening / closing valve to connect any one of the receiving tanks to the injection nozzle 205 in communication.

Since the cutting oil supply unit configured as described above can connect any one of the receiving tanks in which different cutting oils are respectively accommodated to the injection nozzle 205, the operator selects a suitable cutting oil according to the type of the object to be processed and the type or speed of the tool. Since the injection nozzle 205 can be sprayed to the tool and the object to be processed, there is an advantage of preventing defects from being generated in the object or tool by the cutting oil and improving work efficiency.

The guard unit 160 is installed to face each other based on the head unit 130, extends in a direction away from the head unit 130, a plurality of lower ends are formed to be inclined to be spaced apart from the head unit 130 than the upper end A guard plate 161 is provided.

The guard plates 161 are installed on the second body 153 of the driving unit 150 at a position adjacent to the head 130, and are respectively installed on the left and right sides of the second body 153. At this time, the guard plates 161 are fixed to the upper portion of the second body 153 adjacent to the upper end of the head portion 130 and extend a predetermined length in a direction away from the head portion 130, the lower portion of the head than the upper portion It is preferably formed to be inclined to be spaced from the unit 130. In addition, the guard plates 161 are formed such that the lower end portion is curved in a direction adjacent to the head portion 130.

On the other hand, the machining center 100 according to the present invention is not shown in the drawing, but the operator can input drawing information about the processed product, and the driving unit 150 and the processing unit to operate the object to be processed according to the input drawing information A control panel for controlling the 140 is further provided.

Since the machining center 100 according to the present invention configured as described above is provided with a guard plate 161 that can protect the head 130, when the head 130 moves, the head 130 is moved from adjacent obstacles. It protects and prevents the head portion 130 from being damaged or caused by a collision.

Meanwhile, FIG. 4 illustrates a cutting oil supply unit 250 according to another embodiment of the present invention.

Referring to the drawings, the cutting oil supply unit 250 is connected to the injection nozzle 205 through a supply pipe 211, and is installed in the receiving tank 210 and the supply pipe 211 in which the cutting oil is accommodated. Supply pump 230 to pump the cutting oil accommodated in the receiving tank 210 to the injection nozzle 205 and the cutting oil installed in the supply pipe 211 to the cutting oil supplied to the injection nozzle 205 at a predetermined temperature It is provided with a heating unit 251 to be heated.

Although the heating unit 251 is not shown in the drawing, an electric heating wire spirally wound on the outer circumferential surface of the supply pipe 211 to generate heat by supplied electricity, a power supply member for supplying electricity to the heating pipe, and the supply pipe 211 It includes a temperature sensor for measuring the temperature of the coolant flowing through), and a control unit for controlling the power supply member so that the temperature of the coolant reaches the temperature set by the operator based on the temperature information measured through the temperature sensor.

Meanwhile, the heating unit 251 is not limited thereto, and any heating means capable of heating the cutting oil flowing through the supply pipe 211 to a predetermined temperature may be used.

Since the cutting oil supply unit 250 according to the present invention configured as described above is provided with a heating unit 251 capable of heating the cutting oil, an operator can heat the cutting oil to a suitable temperature according to the type of the object to be processed and the type of the tool. It is possible to prevent defects from being generated in the object or tool to be processed by the cutting oil and to improve work efficiency.

Meanwhile, FIGS. 5 and 6 illustrate a machining center 300 according to another embodiment of the present invention.

Referring to the drawings, the machining center 300 is further provided with a heating unit 310 that is installed in the injection nozzle 205 to heat the cutting oil injected from the injection nozzle 205.

The heating unit 310 extends in a direction away from the coupling member 311 and the coupling member 311 coupled to the injection nozzle 205, the end of which is drawn into the cutting oil injection range of the injection nozzle 205 The extension member 312 extended as much as possible, the heating member 313 installed at the end of the extension member 312, and heating at a predetermined temperature to heat the cutting oil sprayed from the injection nozzle 205, and A vibrator 314 is installed on the extension member 312 to apply vibration to the extension member 312 so that the heating member 313 moves back and forth within the cutting oil injection range of the injection nozzle 205.

The coupling member 311 is formed in a cylindrical shape provided with a through hole 315 so as to penetrate in the longitudinal direction so that the injection nozzle 205 can be inserted, and the injection nozzle 205 is easily provided with the through hole 315 on one outer peripheral surface. An incision is cut along the longitudinal direction so as to be inserted securely. At this time, the coupling member 311 is preferably formed to have an inner diameter smaller than the outer diameter of the injection nozzle 205 so that the injection nozzle 205 can be fitted. Since the coupling member 311 is forcibly fitted into the injection nozzle 205 in the through hole 315, the heating unit can be easily attached and detached to the previously manufactured injection nozzle 205.

One end of the extension member 312 is fixed to the outer circumferential surface of the coupling member 311 and extends in a direction away from the coupling member 311. At this time, the extension member 312 is fixed to the upper outer circumferential surface of the coupling member 311, and extends a predetermined length in the cutting oil injection direction of the injection nozzle 205. In addition, the extension member 312 is preferably formed to be bent downward so that the other end is introduced into the cutting oil injection range of the injection nozzle 205. On the other hand, the other end of the extension member 312 is formed to be spaced upwardly with respect to the injection hole of the injection nozzle 205.

The heating member 313 includes an interference plate 316 installed on the other end of the extension member 312 and a heating body 317 installed on the interference plate 316 to heat the interference plate 316.

The interference plate 316 extends a predetermined length along the direction of the cutting oil injection of the injection nozzle 205 and is formed in a plate shape convexly curved upward. At this time, the interference plate 316 is preferably installed at the other end of the connecting member to be spaced upwardly with respect to the injection hole of the injection nozzle 205 to which the cutting oil is injected to prevent the cutting oil from scattering upwards . In addition, the interference plate 316 is formed of a metallic material having a predetermined thermal conductivity to transfer heat applied from the heating body 317 to the cutting oil.

On the other hand, the interference plate 316 has a plurality of interference protrusions 318 are formed on the lower surface where the cutting oil injected from the injection nozzle 205 collides. The interference protrusion 318 protrudes downward on the lower surface of the interference plate 316, and the interference plate 316 so as to guide the cutting oil colliding with the interference plate 316 in the injection direction of the injection nozzle 205 ) Is formed to extend a predetermined length along the extension direction. The interference protrusions 318 are formed to be spaced apart from each other along the left and right directions. The cutting oil colliding with the interference plate 316 is interfered by the interference protrusion 318 and flows toward the front of the injection nozzle 205.

The heating body 317 is installed on the upper surface of the interference plate 316 to heat the interference plate 316. The heating element 317 is preferably a heating wire or a Peltier element that generates heat by the power applied from the power supply.

The vibrator 314 is installed on the extension member 312 and generates vibration in the vertical direction so that the heat generating member 313 moves back and forth inside the cutting oil injection range of the injection nozzle 205. The vibrator 314 is applied to the conventional vibration generating means generally used to generate vibration in the vertical direction, so a detailed description thereof will be omitted.

The heat generating unit 310 configured as described above can be easily installed in the existing injection nozzle 205 by the coupling member 311, and heats the cutting oil as well as the injection nozzle by the interference plate 316 ( It is also possible to prevent the cutting oil from being scattered above the injection nozzle 205 by interfering with the cutting oil sprayed upward. In addition, the heat generating unit 310, the interference plate 316 is vibrated in the vertical direction by the vibrator 314, it is possible to press the cutting oil hitting the lower surface of the interference plate 316 downward.

The description of the presented embodiments is provided to enable any person of ordinary skill in the art to use or practice the present invention. Various modifications to these embodiments will be apparent to those skilled in the art of the present invention, and the general principles defined herein can be applied to other embodiments without departing from the scope of the present invention. Thus, the present invention should not be limited to the embodiments presented herein, but should be interpreted in the broadest scope consistent with the principles and novel features presented herein.

100: machining center
110: frame
111: base member
112: cover member
120: table
130: head
140: processing unit
141: spindle
150: driving unit
151: first body
152: first mobile unit
153: second body
154: second mobile unit
155: third mobile unit
160: guard
161: guard plate

Claims (6)

frame;
A table installed on the frame and the object to be processed is set;
A head unit installed in the frame to be movable in multiple directions based on the table;
To process the object to be set in the table, the spindle is installed on the head portion is equipped with a tool for processing the object, a drive motor installed on the spindle to rotate the spindle, and the head portion A processing unit installed and having a spray nozzle for spraying cutting oil to a cutting part of the object to be cut by the tool, and a cutting oil supply unit for supplying cutting oil to the spray nozzle;
A driving unit for moving the head portion so that the object to be processed can be processed into a pre-designed shape;
A guard unit installed adjacent to the head unit to prevent the head unit from colliding with an obstacle adjacent to the frame when the head unit is moved by the driving unit; And
Equipped with a heating unit installed on the injection nozzle to heat the cutting oil sprayed from the injection nozzle;
The heating unit
A coupling member coupled to the injection nozzle;
An extension member extending in a direction away from the coupling member and extending so that an end thereof is drawn into the cutting oil injection range of the spray nozzle;
A heating member installed at an end of the extension member and heating at a predetermined temperature to heat cutting oil sprayed from the spray nozzle; And
It is provided on the extension member is provided with a vibrator for applying vibration to the extension member so that the heat generating member moves back and forth within the cutting oil injection range of the injection nozzle,
The heating member
It is installed at the end of the extension member and extends a predetermined length along the injection direction of the cutting oil sprayed from the spray nozzle, the upper side with respect to the injection hole of the spray nozzle where the cutting oil is sprayed to prevent the cutting oil from scattering upward Interference plate installed on the extension member to be spaced apart; And
Is provided on the interference plate to heat the interference plate; provided with,
Machining center.
delete delete According to claim 1,
The heating member is formed to protrude downwardly on the lower surface of the interference plate in which the cutting oil injected from the injection nozzle collides, and further includes at least one interference protrusion;
Machining center.
According to claim 1,
The guard portion is installed to face each other based on the head portion, and extending in a direction away from the head portion, the lower portion having a plurality of guard plates formed to be inclined to be spaced apart from the head portion than the upper portion,
Machining center.
According to claim 1,
The cutting oil supply unit
A receiving tank connected to the injection nozzle through a supply pipe and receiving the cutting oil therein;
A supply pump installed in the supply pipe to pump the cutting oil accommodated in the receiving tank into the injection nozzle; And
Equipped with a heating unit that is installed in the supply pipe to heat the cutting oil supplied to the injection nozzle to a predetermined temperature;
Machining center.

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