KR100768940B1 - Drilling machines for sheet plate processing for heat exchangers - Google Patents

Abstract

According to the present invention, the position of the head may be selectively moved in the front and rear directions according to the processing position of the workpiece to adjust the position of the cutting tool, thereby processing workpieces of various sizes, and the work preparation time may be shortened to improve workability and productivity. Provided is a drilling machine for sheet plate processing for a heat exchanger. Such a drilling machine for sheet plate processing for heat exchangers includes a head unit configured to allow a machining operation while a cutting tool is mounted and rotated and elevated, a support having an upper end connected vertically to the head, and a lower end of the support. In the drilling machine provided with a base connected to the mounting surface mounted on the installation surface, the support is divided into a first support connected to the head portion side and a second support connected to the base side, and formed in the first support A sliding means is configured such that a lower end and an upper end of the second support are slidably connected to each other so that the position of the head is selectively adjusted in the front-rear direction.

Description

Drilling machine for sheet plate processing for heat exchanger {DRILLING MACHINE FOR SHEET PLATE OF HEAT EXCHANGER}

1 is a view showing the overall configuration of a drilling machine for processing a sheet plate for a heat exchanger according to a preferred embodiment of the present invention,

Figure 2 is an exploded perspective view showing a sliding means of a drilling machine for processing a sheet plate for a heat exchanger according to a preferred embodiment of the present invention,

3 is a side view showing a sliding means of a drilling machine for processing a sheet plate for a heat exchanger according to a preferred embodiment of the present invention;

4 is a plan view showing a workbench of a drilling machine for processing a sheet plate for a heat exchanger according to a preferred embodiment of the present invention;

Figures 5a and 5b is a view for explaining the operation of the drilling machine for sheet plate processing for heat exchangers according to a preferred embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10: head, 20: support,

22: the first support, 24: the second support,

30: base, 40: workbench,

42: elevating member, 44: turntable,

44a: slot, 50: sliding means,

52: guide member, 52a: rail portion,

54: sliding member, 54a: sliding hole,

56: fixing member.

The present invention relates to a drilling machine for processing a sheet plate for a heat exchanger, and more particularly, by using a cutting tool provided on the chuck of the head to move the position of the head portion of the drilling machine for processing the workpiece selectively in the front and rear directions The present invention relates to a drilling machine for sheet plate processing for heat exchangers that enables the processing of workpieces of various sizes and types.

In general, a table drilling machine is a machine tool that drills holes by connecting a tool such as a drill to a rotating spindle, and when a workpiece is fixed on a table, a drill, a cutting tool, is rotated, and then moved in the direction of the spindle, holes are processed on the workpiece. In addition to the drilling, such a table drilling machine is also equipped with other cutting tools in the chuck, such as reaming, boring, counter-boring, tapping and counter-sinking. Machining work such as) can be performed.

On the other hand, the above table drilling machine has a head portion on which a cutting tool is installed, a base seated on an installation surface, a support vertically installed between the head portion and the base, and a workbench on which the workpiece is placed on the support object. It is configured to lower the cutting tool mounted on the chuck of the head in the state of placing the workpiece on the workbench to perform a predetermined machining operation, wherein the work position that can be processed by the cutting tool is the center of the support Since it is limited to a position corresponding to a vertical downward direction coaxial with the installation direction of the cutting tool spaced apart from the axis by a predetermined distance, there is a problem that the size of the workpiece that can be processed must be limited to a relatively small size, and also the cutting tool Since the position is fixed, the workpiece placed on the workbench is coaxial with the cutting tool. Because things were moving and then be fixed to the clamping device has a problem that is very difficult and takes a lot of time on makeready.

In addition, the worktable is fixed in size so that the work piece may not be detached from the workbench or remain in a fixed state according to the shape and the work position of the work piece in the process of adjusting the cutting position and the cutting tool to be coaxial. There is a problem that the cutting tool is damaged or shortened the life during the machining operation, and if there is a serious problem that the workpiece is separated from the workbench.

In particular, when a large number of holes must be processed on a body having a rectangular plate shape, such as a seat plate installed in a large amount inside a heat exchanger, and a workpiece having various specifications or sizes is to be processed, the machining position is fixed as described above. When the conventional drilling machine is processed, excessive preparation time is required, and the workpiece cannot be fixed accurately, which significantly lowers productivity and easily breaks and damages cutting tools such as drills. There was a problem that the plate can not be processed at all.

Meanwhile, as the prior art of the drilling machine as described above, the "Table Drilling Machine Safety Device" of Korean Patent Publication No. 10-0194886 is proposed, and the table drilling machine includes the base 1 and the pillar 2. ), A table (3) and a drive unit provided with a drive motor (4) and a drill chuck (5), the movement of the drill chuck to the workpiece to stop the rotation of the drill when the hand is rolled to the drill side during the drilling work Safety device such as the pedal 30 is configured.

In addition, the "spindle support apparatus of the table drilling machine" of Republic of Korea Patent Publication No. 10-2005-0050385 is composed of the base 30, the support 32, the head 34 and the work table 36 and the head A support device comprising a guide plate 62 is constructed so that the spindle of the part 32 does not swing during processing.

However, the above-described application techniques can increase the safety of the drilling machine and the precision of machining, but the head part is fixed to the supporting object, and thus the cutting position of the cutting tool is always fixed. Since it is limited to the vertical down which is coaxial with the installation direction of the cutting tool spaced apart from the central axis by a predetermined distance, there is a problem that the size of the workpiece to be processed is limited, and a lot of work preparation time is required.

And because the worktable where the workpiece is installed is fixed structure, the process of positioning the workpiece to the machining position is difficult, and also it cannot maintain the fixed fixed state, which reduces the efficiency of machining work and easily causes the departure of workpiece and damage and damage of cutting tool. There is a problem that the productivity is lowered and the production cost is increased as well as safety is lowered.

The present invention has been made to solve the conventional problems as described above can be processed to a workpiece of various sizes by the position of the head portion is selectively moved in the front and rear direction according to the processing position of the workpiece to adjust the position of the cutting tool. It is an object of the present invention to provide a drilling machine for processing a sheet plate for a heat exchanger in which work preparation time is shortened to improve workability and productivity.

Another object of the present invention is that the worktable is rotatable and at the same time the workpiece is more firmly fixed, the preparation time is shortened to improve the processing efficiency and to prevent the departure of the workpiece and damage and breakage of the cutting tool production costs It is an object of the present invention to provide a drilling machine for sheet plate processing for heat exchangers in which this reduced and improved safety is achieved.

According to a feature of the present invention for achieving the above object, the present invention is a head portion configured to enable the machining operation while the cutting tool is mounted and rotated and lifted, and the support is installed vertically connected to the upper end of the head portion; In the drilling machine having a base connected to the lower end of the support and seated on the installation surface, the support is divided into a first support connected to the head portion side and a second support connected to the base side, The lower end of the first support and the upper end of the second support is slidably connected to each other characterized in that the sliding means is configured to selectively adjust the position of the head portion in the front and rear direction.

In such a drilling machine for sheet plate processing for heat exchangers according to the present invention, the sliding means, the guide member is installed in a predetermined length perpendicular to the upper end of the second support; A sliding member slidably connected and installed to the guide member at a lower end of the first support may be configured, and a fixing member installed to fix the sliding member moved to a predetermined position on the guide member.

In such a drilling machine for sheet plate processing for heat exchangers according to the present invention, the guide member is projected in the upper and lower narrow structure on the upper surface of the member having a rectangular plate shape and the rail portion formed with a plurality of fastening holes at regular intervals in the front and rear direction Formed; The sliding member may include a sliding groove having a vertical beam narrowing structure inserted into the rail portion on a bottom surface of a member having a rectangular plate shape, and a plurality of through holes may be formed to insert the fixing member to be fastened onto the fastening hole. have.

In the drilling machine for heat exchanger sheet plate processing according to the present invention, the lifting member is installed to be movable in the vertical direction on the second support, and the turntable is provided to be selectively rotatable on the lifting member Worktable can be configured.

In such a drilling machine for sheet plate processing for heat exchangers according to the present invention, the turntable may be formed with a plurality of slots having a long hole shape at a constant angle from the central side of the body having a disk shape to the peripheral side.

The present invention is characterized in that the head of the drilling machine is moved in the front and rear direction to conveniently adjust the position of the cutting tool according to the processing position of the workpiece. That is, the prior art has a problem that the size of the workpiece to be processed is limited because the head portion on which the cutting tool is installed is fixed to the support object, and the work efficiency and productivity are reduced due to a large amount of work preparation time. On the contrary, in the present invention, the support is divided up and down, and the sliding means is configured at the connection portion, so that the head portion provided with the cutting tool is configured to selectively adjust the front and rear positions by the sliding means. Therefore, according to the present invention, it is possible to process the workpiece of various kinds and sizes by moving the position of the cutting tool according to the processing position of the workpiece, and can process a variety of types and sizes and the work preparation time is shortened to improve workability and productivity There is an advantage.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, FIGS. 1 to 5B, and like reference numerals refer to like elements in FIGS. 1 to 5B. Meanwhile, the drawings and detailed descriptions of configurations, operations, and effects that can be easily understood by those skilled in the art from general technology in each drawing are briefly or omitted, and are illustrated based on parts related to the present invention.

1 is a view showing the overall configuration of a drilling machine for processing a heat exchanger seat plate according to a preferred embodiment of the present invention, Figure 2 is a sliding means of a drilling machine for a heat exchanger seat plate processing according to a preferred embodiment of the present invention 3 is a side view illustrating a sliding means of a drilling machine for processing a sheet plate for a heat exchanger according to a preferred embodiment of the present invention, Figure 4 is a view for processing a sheet plate for a heat exchanger according to a preferred embodiment of the present invention 5A and 5B are diagrams for explaining the operation of the drilling machine for processing a sheet plate for a heat exchanger according to a preferred embodiment of the present invention.

1 and 4, the drilling machine for sheet plate processing for the heat exchanger according to the present invention comprises a head portion 10, the support 20, the base 30 and the work table 40, the head Part 10 is a spindle (not shown) that is rotated by receiving the rotational force of the drive motor 12 in a configuration that is mounted to the cutting tool (not shown) rotates and lifts to perform a direct machining operation on the workpiece, and the A chuck 14 or the like is installed to secure the cutting tool at its end, and the chuck 14 is equipped with a cutting tool such as a drill.

The support 20 is formed in a substantially bar shape, the upper end of which is mounted on one side bottom surface of the head portion 10, and the other end is installed on one side upper surface of the base 30. It is configured to support the load of the workpiece to be fixed to the 40, the base 30 is seated so that the head portion 10 and the support 20 installed on the upper end of the support 20 does not fall on the installation surface It is a supporting structure.

Meanwhile, in the present embodiment, the support 20 is divided into a first support 22 connected to the head portion 10 side and a second support 24 connected to the base 30 side. The lower end of the first support 22 and the upper end of the second support 24 are slidably connected to each other so that the sliding means 50 is configured to selectively adjust the position of the head portion 10 in the front-rear direction. .

And, the sliding means 50 is a guide member 52 is installed with a predetermined length orthogonal to the upper end of the second support 24, as shown in Figure 2, and the guide member on the lower end of the first support And a sliding member 54 slidably connected to and installed at the 52, and a fixing member 56 installed to fix the sliding member 54 moved to a predetermined position on the guide member 52.

As shown in FIG. 2, the guide member 52 is provided with a rail portion 52a protruding in a vertical narrowing structure on an upper surface of a member having a rectangular plate shape, and the sliding member 54 described below is inserted. At the same time to guide the sliding movement of the sliding member 54 while preventing the departure. In addition, a plurality of fastening holes 52b are formed on the upper surface of the rail portion 52a at regular intervals so that the fixing member 56 slides while the position of the head portion 10 is adjusted according to the shape or size of the workpiece. By being fastened to the fastening hole 52b through the member 54, the sliding member 54 including the head portion 10 performs a function of being firmly fixed on the guide member 52. The fastening holes 52b are formed in two rows in parallel along the forming direction (length direction) of the rail portion 52a.

The sliding member 54 is inserted into the rail portion 52a by inserting a sliding groove 54a having a light beam narrowing structure inserted into the rail portion 52a on a bottom surface of a member having a substantially rectangular plate shape. In this state, a stable sliding movement in the front and rear directions is possible and does not deviate or fall in the up, down, left, and right directions. In addition, a plurality of through holes 54b are formed at the sliding groove 54a to insert the fixing member 56 fastened to the fastening hole 52b.

 On the other hand, in the drilling machine for sheet plate processing for heat exchangers according to the present invention is a worktable 40, which is a workpiece is mounted and fixed to be lifted on the support 20, the work table 40 is the support 20 The elevating member 42 is installed on the elevating member 42 so as to be movable upward and downward, and the turntable 44 is selectively rotatably installed on the elevating member 42.

The elevating member 42 has a connecting portion 42b in which the turntable 44 is installed to one side of the supporting portion 42a inserted on the support 20, and the supporting portion 42a is a lifting fixing lever 46. It has a structure that is fixed or released on the movable slot 25 formed up and down of the support 20 in accordance with the rotation operation of the structure, and thus lifting and lowering the elevating member 42 and the structure to fix or release the elevated state The present invention is not limited to the structure shown in FIG. 1, and may be formed as various lifting structures. For example, a screw rod (not shown) rotated by a motor is installed in the inner hole of the support 20, and the screw is mounted on the screw rod. While the nut (not shown) is fastened, the screw nut and the support part 42a of the elevating member 42 are coupled to each other, thereby elevating and elevating the elevating member 42.

In addition, the turntable 44 has a plurality of slots 44a having a long hole shape at a predetermined angle from a central side of the body having a disk shape to a periphery side as shown in FIG. 4. Since 44a) is formed at a predetermined angle, various workpieces having different shapes or sizes can be easily and firmly fixed on the turntable.

In addition, the turntable 44 is connected to the elevating member 42 by the rotation operation of the pivoting lever 48 configured between the connecting portion 44b of the turntable 44 and the connecting portion 42b of the elevating member 42. Since the structure is selectively rotated while being fixed or released on 42b, the turntable 44 can be rotated as necessary to easily change the work position of the workpiece.

On the other hand, reference numeral 16 of FIGS. 1 and 3 is a main shaft shank lever to drive the spindle up and down to move the cutting tool fixed to the chuck 14 up and down.

The operation of the present invention as described above is as follows.

Referring to Figure 5a and 5b briefly describe the operation of the drilling machine for sheet plate processing for heat exchangers according to a preferred embodiment of the present invention, first, the fixed state of the lifting lever 46 of the work table 40 Release and move the elevating member 42 to a predetermined height according to the type and size of the workpiece, and then rotate the elevating lock lever 46 to fix the elevating member 42 firmly on the support 20. The workpiece is placed on the upper surface of the turntable 44, the locking lever 48 is released, and the rotation of the turntable 44 is adjusted freely. Then, the cutting tool and the workpiece are positioned on the same vertical line. Rotate the turntable 44 to be positioned. When the machining position of the workpiece and the position of the cutting tool coincide with each other as described above, when the workpiece is firmly fixed using a clamping device (not shown) installed in the slot 44a, the preparation for machining is completed. In this case, the driving motor 12 1) by rotating the cutting tool coupled to the chuck 14 while rotating the spindle shaft feed lever 16 to move the cutting tool downward to perform the machining operation.

On the other hand, if the machining position is changed in the process of performing the machining operation as described above to rotate the turntable 44 so that the machining position of the workpiece and the position of the cutting tool is located on the same vertical line to continue the machining operation. However, when the size of the workpiece is very large and the turning tool 44 cannot be matched with the cutting tool by the rotational movement of the turntable 44, the head 10 is moved forward by using the sliding means 50. Can be easily solved. That is, as shown in FIG. 5A, when the head part 10 is pushed forward in a state in which the fixing state of the fixing member 56 which fixes the sliding member 54 on the guide member 52 is released. Since the sliding member 54 is moved forward by the rail portion 52a of the guide member 52, the chuck 14 is positioned to be spaced apart from the central axis of the support 20 by a predetermined distance (a). Large and the machining position can be easily processed to the workpiece located outside.

On the contrary, when the processing position of the workpiece is not adjacent to the support 20 side, the head 10 may be pulled backward while the fixed state of the sliding member 54 is released as shown in FIG. 5B. When the sliding member 54 is moved to the rear by the rail portion (52a) of the guide member 52, the separation distance (b) between the central axis of the support 20 and the chuck 14 is shortened processing position It is possible to easily process the workpiece located inside.

As described above, the drilling machine for sheet plate processing for heat exchangers according to a preferred embodiment of the present invention is shown in accordance with the above description and drawings, but this is merely described for example and does not depart from the spirit of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made therein.

According to the drilling machine for heat exchanger seat plate processing according to the present invention, the support is divided up and down, the sliding means is configured in the connecting portion, and the front and rear positions of the head portion where the cutting tool is installed is selectively adjusted so that the head portion is moved back and forth as needed By adjusting the cutting position of the cutting tool, it is possible to easily process various sizes and types of workpieces, and the work preparation time is reduced. When processing many workpieces, there is an effect that can maximize workability and productivity.

And because the worktable is rotated, the process of positioning the workpiece to the processing position is easy, and the slot having a long hole shape for fixing the workpiece is formed at various angles to easily and firmly fix the workpiece having various specifications or shapes. As a result, the efficiency of the machining operation is improved, and the departure of the workpiece and the damage and damage of the cutting tool are prevented, thereby improving productivity, reducing production costs, and improving safety.

Claims (5)

A head part configured to allow machining operation while the cutting tool is mounted and rotated and lifted, a support having an upper end connected vertically, and a base connected to a lower end of the support and seated on an installation surface In the drilling machine, The support is divided and formed as a first support connected to the head portion and the second support connected to the base side, the lower end of the first support and the upper end of the second support is slidably connected to each other the head A drilling machine for processing a sheet plate for a heat exchanger, characterized in that the sliding means is configured to selectively adjust the position of the part in the front-rear direction. The method of claim 1, The sliding means includes a guide member installed to a predetermined length perpendicular to the upper end of the second support; A sliding member slidably connected to and installed on the guide member at a lower end of the first support; Drilling machine for the heat exchanger seat plate processing, characterized in that consisting of a fixing member which is installed to fix the sliding member moved to a predetermined position on the guide member. The method of claim 2, The guide member has a rail portion protruding in a vertical light narrowing structure on the upper surface of the member having a rectangular plate shape and a plurality of fastening holes are formed in a front and rear direction at regular intervals; The sliding member has a sliding groove having a vertical beam narrowing structure inserted into the rail portion on a bottom surface of a member having a rectangular plate shape, and a plurality of through holes are formed so that the fixing member is inserted and fastened to the fastening hole. Drilling machines for sheet plate processing for heat exchangers. The method according to any one of claims 1 to 3, Drilling for heat exchanger seat plate processing is characterized in that the work platform is provided with a lifting member which is installed to be movable in the vertical direction on the second support, and the turntable is installed to be selectively rotatable on the lifting member machine. The method of claim 4, wherein The turntable is a drilling machine for sheet plate processing for heat exchanger, characterized in that a plurality of slots having a long hole shape is formed at a predetermined angle from the central side of the body having a disc shape to the peripheral side.

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