Component Mounting Machine

Abstract

This component mounting machine is provided with: a head which can pick a component; a pair of first axis linear guides extending in a first axis direction; a beam member, which is formed in a rectangular cylindrical shape from a carbon fiber reinforced resin or an aramid fiber reinforced resin in such a way as to extend in a second axis direction intersecting the first axis, and includes both end portions that are stretched over between the pair of first axis linear guides to allow movement of the beam member in the first axis direction; and a pair of second axis linear guides which is disposed on the beam member in such a way as to extend in the second axis direction, and guides the head to be movable in the second axis direction.

Description

[Technical Field]

[0001] This specification discloses a component mounter. [Background technology]

[0002] Conventionally, a component mounter has been proposed that includes a head for mounting components, a rail for guiding the head so that it can slide freely in the X-axis direction, an X-beam made of aluminum or aluminum alloy that extends in the X-axis direction and has the rail attached to it, a Y-beam for guiding the X-beam so that it can slide freely in the Y-axis direction, and a reinforcing member made of carbon fiber reinforced resin or aramid fiber reinforced resin that is attached to the X-beam (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2012-129317 Summary of the Invention [Problem to be solved by the invention]

[0004] In the above-mentioned component mounters, the weight of the X-beam is insufficient, and there is a limit to how fast the X-beam can be moved. In addition, materials such as carbon fiber reinforced resin are difficult to process, and if the shape becomes complex, the manufacturing cost increases.

[0005] A primary object of the present disclosure is to provide a component mounter that can reduce the weight of beam members and reduce manufacturing costs. [Means for solving the problem]

[0006] The present disclosure has adopted the following means to achieve the above-mentioned main object.

[0007] The component mounter of the present disclosure is a component mounter that mounts components and includes: a head capable of picking up the components; a pair of first-axis linear guides extending in a first axial direction; a beam member formed in a rectangular tube shape from carbon fiber reinforced resin or aramid fiber reinforced resin so as to extend in a second axial direction intersecting the first axis, with both ends spanning between the pair of first-axis linear guides and movable in the first axial direction; and a pair of second-axis linear guides that are arranged on the beam member so as to extend in the second axial direction and guide the head movably in the second axial direction.

[0008] In the mounter disclosed herein, the beam member is formed into a rectangular tube shape using carbon fiber reinforced resin or aramid fiber reinforced resin. This allows for weight reduction while maintaining rigidity. As a result, it is possible to increase the speed of head movement. Furthermore, the simple shape makes it easy to process, thereby reducing manufacturing costs. [Brief explanation of the drawings]

[0009] [Figure 1] FIG. 1 is a perspective view of a component mounter according to an embodiment of the present invention. [Figure 2] FIG. 2 is a top view of the component mounter of the present embodiment. [Figure 3] FIG. 2 is an external perspective view of a beam member. [Figure 4] FIG. 2 is an external perspective view of a head and a beam member. [Figure 5] FIG. 2 is a partially enlarged view of an X-axis linear scale and a Y-axis linear scale. [Figure 6] FIG. 2 is a perspective view of the appearance of an X-axis movement device. [Figure 7] FIG. 1 is a cross-sectional view of an X-axis cooling device. [Figure 8] FIG. 2 is an external perspective view of a Y-axis moving device and a Y-axis cooling device. [Figure 9] FIG. 2 is an exploded perspective view of a Y-axis moving device and a Y-axis cooling device. [Figure 10] FIG. 2 is an external perspective view of the Y-axis mover. [Figure 11] FIG. 1 is a cross-sectional view of a Y-axis cooling device. DETAILED DESCRIPTION OF THE INVENTION

[0010] Next, embodiments of the present disclosure will be described with reference to the drawings.

[0011] FIG. 1 is a perspective view of a component mounter 10 of this embodiment. FIG. 2 is a top view of the component mounter 10 of this embodiment. FIG. 3 is an external perspective view of a beam member 21. FIG. 4 is an external perspective view of the head 20 and the beam member 21. FIG. 5 is a partially enlarged view of an X-axis linear scale 38 and a Y-axis linear scale 58. FIG. 6 is an external perspective view of an X-axis moving device 30. FIG. 7 is a cross-sectional view of an X-axis cooling device 40. FIG. 8 is an external perspective view of a Y-axis moving device 50 and a Y-axis cooling device 60. FIG. 9 is an exploded perspective view of the Y-axis moving device 50 and a Y-axis cooling device 60. FIG. 10 is a perspective view of a Y-axis mover 54. FIG. 11 is a cross-sectional view of the Y-axis cooling device 60. In FIG. 1, the left-right direction is the X-axis (second axis) direction, the front-rear direction is the Y-axis (first axis) direction, and the up-down direction is the Z-axis direction.

[0012] As shown in FIGS. 1 and 2, the component mounter 10 of this embodiment picks up components supplied from a feeder F and mounts them on a board S. The component mounter 10 includes a base 12, a board transport device (not shown), first and second heads 20a and 20b, first and second beam members 21a and 21b, first and second X-axis movement devices 30a and 30b, and first and second Y-axis movement devices 50a and 50b. These components are housed in a housing 11. On both the left and right sides of the upper stage of the base 12, strip-shaped support bases 13 extending forward and backward are provided. An operation panel 14 is installed on the front of the housing 11 and can be operated by an operator and display various information. The first head 20a and the second head 20b may be simply referred to as heads 20. The first beam member 21a and the second beam member 21b may be simply referred to as beam members 21. The first X-axis movement device 30a and the second X-axis movement device 30b may be simply referred to as the X-axis movement device 30. The first Y-axis movement device 50a and the second Y-axis movement device 50b may be simply referred to as the Y-axis movement device 50.

[0013] The substrate transport device has a pair of front and rear conveyor belts and a motor that drives the conveyor belts in a circular motion. The substrate transport device transports the substrates S on the conveyor belts from left to right by driving the conveyor belts with the motor. The substrate transport device may have multiple lanes for transporting the substrates S in a width direction perpendicular to the substrate transport direction. The substrate transport device may also transport the substrates S so that multiple lanes are lined up in the substrate transport direction.

[0014] The first and second heads 20a and 20b have nozzles for picking up components. As shown in Figures 1 and 2, the first head 20a is supported by a first beam member 21a so as to be movable left and right (X-axis). The second head 20b is supported by a second beam member 21b so as to be movable left and right (X-axis).

[0015] The first and second beam members 21a, 21b (beam members 21) are elongated members extending in the left-right direction (X-axis), arranged parallel to each other, and suspended over a pair of shared iron Y-axis linear guides 51 (guide rails), allowing them to move back and forth (in the Y-axis) along the pair of Y-axis linear guides 51. As shown in FIGS. 2 to 4, the first and second beam members 21a, 21b are formed in a rectangular tubular shape from carbon fiber reinforced plastic (CFRP), and a pair of upper and lower iron X-axis linear guides 31 (guide rails) extending parallel to each other are joined to the opposing side surfaces. The first and second beam members 21a, 21b may also be formed from aramid fiber reinforced plastic (AFRP). The pair of upper and lower X-axis linear guides 31 are joined to the beam member 21 by, for example, a combination of adhesive bonding, screw joints, or pin joints. In addition, Y-axis block members 22 made of aluminum or aluminum alloy are fixed to both ends of the beam member 21, and the beam member 21 moves back and forth (Y-axis) as each Y-axis block member 22 moves on the corresponding Y-axis linear guide 51 at both ends.

[0016] In this embodiment, the X-axis linear guide 31 is hollow. The head 20 is supported by the beam member 21 so as to be movable left and right along the X-axis linear guide 31. By forming the beam member 21 from CFRP or AFRP, forming the X-axis linear guide 31 hollow, and further forming the Y-axis block member 22 from aluminum or an aluminum alloy, these members can be made lighter and the beam member 21 can be moved at high speed. Furthermore, by forming the beam member 21 into a simple rectangular tube shape, it is easier to process the CFRP or AFRP and manufacturing costs can be reduced.

[0017] The first X-axis moving device 30a moves the first head 20a left and right (X-axis). The second X-axis moving device 30b moves the second head 20b left and right (X-axis). As shown in FIGS. 3 and 4, the first and second X-axis moving devices 30a, 30b (X-axis moving devices 30) include the above-mentioned pair of upper and lower X-axis linear guides 31, an X-axis linear motor 32, a plurality (four) of X-axis guide nuts 36, an X-axis linear scale 38 (see FIG. 5), and an X-axis cooling device 40.

[0018] As shown in FIG. 1, the X-axis linear motor 32 of the first X-axis movement device 30a receives power via a first X-axis power cable supported by a first X-axis cableveyor (cableveyor is a registered trademark) 16a. The first X-axis cableveyor 16a extends left and right (X-axis) and has one end fixed to a first beam member 21a and the other end fixed to the first head 20a so as to follow the left and right movement of the first head 20a. The X-axis linear motor 32 of the second X-axis movement device 30b receives power via a second X-axis power cable supported by a second X-axis cableveyor 16b. The second X-axis cableveyor 16b extends left and right (X-axis) and has one end fixed to a second beam member 21b and the other end fixed to the second head 20b so as to follow the left and right movement of the second head 20b.

[0019] In this embodiment, the X-axis linear motor 32 is configured as a flat linear motor having an X-axis stator 33 attached to the side of the beam member 21 and an X-axis mover 34 arranged facing the X-axis stator 33 at a predetermined distance in the front and rear. The X-axis stator 33 has multiple permanent magnets arranged between a pair of upper and lower X-axis linear guides 31 on the side of the beam member 21, with N and S poles alternating along the X-axis linear guides 31. The X-axis mover 34 has 3×n cores (n is a natural number, e.g., 3) each made by laminating electromagnetic steel sheets, and 3×n coils wound around the corresponding cores. The X-axis mover 34 is supported by X-axis guide nuts 36 arranged on the pair of upper and lower X-axis linear guides 31, respectively, and moves left and right (X-axis) when a three-phase AC current is applied to the 3×n coils. As shown in Figures 3 and 6, in this embodiment, two X-axis guide nuts 36 are arranged on each of a pair of upper and lower X-axis linear guides 31, and the X-axis mover 34 is supported by a total of four X-axis guide nuts 36.

[0020] 5, X-axis linear scale 38 is disposed on the bottom surface of beam member 21 so as to extend left and right. Sensor 39 is attached directly or indirectly to head 20, and sensor 39 detects the position of head 20 in the left and right (X-axis) direction by reading X-axis linear scale 38.

[0021] As shown in FIG. 4, an X-axis cooling device 40 is interposed between the head 20 and the X-axis mover 34. The X-axis cooling device 40 dissipates heat generated by energizing the coil of the X-axis mover 34 through heat exchange with air. As shown in FIGS. 6 and 7, a plurality of grooves 34r are formed on the surface of the X-axis mover 34, extending parallel to one another at predetermined intervals. Each groove 34r forms an air flow path when the X-axis cooling device 40 is attached to the X-axis mover 34. The X-axis cooling device 40 has an air inlet 41 connected to an air supply source (not shown) and formed at one end of the plurality of air flow paths (grooves 34r), an air outlet 42 formed at the other end of the plurality of air flow paths, and a distributor 43 that distributes air input from the air inlet 41 to the plurality of air flow paths. Two air outlets 42 are provided, one on the left and one on the right, and air that passes through the air flow path is discharged from each air outlet 42. As a result, the X-axis cooling device 40 can efficiently cool the X-axis mover 34 by air cooling, and compared to devices that cool the X-axis mover 34 by water cooling or conventional cooling using a heat pipe, a heat sink, and a cooling fan, the device can be made more compact and costs can be reduced.

[0022] The first Y-axis moving device 50a moves the first beam member 21a back and forth (on the Y-axis). The second Y-axis moving device 50b moves the second beam member 21b back and forth (on the Y-axis). As shown in FIGS. 2, 8, and 9, the first and second Y-axis moving devices 50a, 50b (Y-axis moving devices 50) include a pair of left and right Y-axis linear guides 51, Y-axis linear motors 52 provided on the left and right, a plurality of Y-axis guide nuts 56 slidably mounted on each of the pair of left and right Y-axis linear guides 51 and supporting the Y-axis block members 22, a Y-axis linear scale 58 (see FIG. 5), and a Y-axis cooling device 60.

[0023] 1, the left and right Y-axis linear motors 52 of the first Y-axis movement device 50a are operated by receiving power via a first Y-axis power cable supported by a first Y-axis cableveyor 17a. The first Y-axis cableveyor 17a is installed above the right Y-axis linear guide 51 of the pair of left and right Y-axis linear guides 51. The first Y-axis cableveyor 17a extends in the front-rear direction and follows the front-rear movement of the first beam member 21a. One end of the first Y-axis cableveyor 17a is fixed to a right power supply box (not shown) located approximately in the center in the front-rear direction and to which the first Y-axis power cable is connected, and the other end is fixed to the Y-axis block member 22 on the right side of the first beam member 21a. The first Y-axis power cable extends from the right Y-axis block member 22 through the inside of the first beam member 21a to the left Y-axis block member 22, and supplies power to the right Y-axis linear motor 52 (Y-axis mover 54) fixed to the right Y-axis block member 22 and the left Y-axis linear motor 52 (Y-axis mover 54) fixed to the left Y-axis block member 22.

[0024] The left and right Y-axis linear motors 52 of the second Y-axis movement device 50b are operated by receiving power via a second Y-axis power cable supported by a second Y-axis cableveyor 17b. The second Y-axis cableveyor 17b is installed above the left Y-axis linear guide 51 of the pair of left and right Y-axis linear guides 51. The second Y-axis cableveyor 17b extends in the front-rear direction and follows the front-rear movement of the second beam member 21b. One end of the second Y-axis cableveyor 17b is fixed to a left power supply box (not shown) located approximately in the center in the front-rear direction and to which the second Y-axis power cable is connected, and the other end is fixed to the Y-axis block member 22 on the left side of the second beam member 21b. The second Y-axis power cable extends from the left Y-axis block member 22 through the inside of the second beam member 21b to the right Y-axis block member 22, and supplies power to the left Y-axis linear motor 52 (Y-axis mover 54) fixed to the left Y-axis block member 22 and the right Y-axis linear motor 52 (Y-axis mover 54) fixed to the right Y-axis block member 22.

[0025] In this way, in this embodiment, the first Y-axis cable bear 17a is positioned on the left side and the second Y-axis cable bear 17b is positioned on the right side, so that the first Y-axis cable bear 17a and the second Y-axis cable bear 17b can be prevented from interfering with each other when the first and second heads 20a, 20b, which share the pair of left and right Y-axis linear guides 51, move.

[0026] As shown in FIG. 2, the pair of left and right Y-axis linear guides 51 are arranged on the upper surfaces of the left and right support bases 13 so as to extend in the front-rear direction.

[0027] As shown in FIGS. 8 and 9 , the Y-axis linear motor 52 is configured as a flat linear motor having a Y-axis stator 53 fixed to the support base 13 so as to extend forward and backward, and a Y-axis mover 54 fixed to the Y-axis block member 22 so as to face the Y-axis stator 53 at a predetermined vertical distance. The Y-axis stator 53 has multiple permanent magnets arranged flat along the Y-axis linear guide 51 on the same plane as the Y-axis linear guide 51 with alternating north and south poles. In this embodiment, the permanent magnets of the Y-axis stator 53 are the same as those of the X-axis stator 33. Sharing parts reduces costs. The Y-axis mover 54 has 3×m cores (m is a natural number, e.g., 5) each made of laminated electromagnetic steel sheets, and 3×m coils wound around the corresponding cores. The Y-axis mover 54 moves forward and backward (in the Y-axis direction) by applying a three-phase AC current to the 3×m coils.

[0028] As shown in Figure 9, three Y-axis guide nuts 56 are attached to each of a pair of left and right Y-axis linear guides 51. Y-axis block members 22, which are fixed to both ends of beam member 21, are each fixed to the top surfaces of the three Y-axis guide nuts 56. This allows the load applied to Y-axis block member 22 by the attractive force of Y-axis linear motor 52 to be distributed approximately uniformly to the three Y-axis guide nuts 56, reduces changes in the gap between Y-axis stator 53 and Y-axis mover 54 due to this attractive force, stabilizes the movement of beam member 21, and improves the durability of Y-axis linear guides 51 and Y-axis guide nuts 56.

[0029] 5, Y-axis linear scales 58 are arranged to extend in the front-to-rear direction on each of the opposing side surfaces of the left and right support bases 13. A sensor 59 is attached directly or indirectly to the beam member 21, and by reading Y-axis linear scales 58, sensor 59 detects the position of head 20 (beam member 21) in the front-to-rear (Y-axis) direction.

[0030] As shown in FIGS. 8 and 9, a Y-axis cooling device 60 is interposed between the Y-axis block member 22 and the Y-axis mover 54. The Y-axis cooling device 60 dissipates heat generated by energizing the coil of the Y-axis mover 54 by exchanging heat with the air. As shown in FIGS. 10 and 11, a plurality of grooves 54r extending parallel to each other in the left-right direction are formed on the surface of the Y-axis mover 54 facing the Y-axis block member 22. Each groove 54r forms an air flow path when the Y-axis cooling device 60 is attached to the Y-axis mover 54. The Y-axis cooling device 60 has an air inlet 61 connected to an air supply source (not shown) and formed at one end of the plurality of air flow paths (grooves 54r), an air outlet 62 formed at the other end of the plurality of air flow paths, and a distributor 63 that distributes air input from the air inlet 61 to the plurality of air flow paths. Four air inlet 61 are provided at intervals on the left and right. Two air outlets 62 are provided, one on the left and one on the right, and the air that passes through the air flow path is split into left and right and discharged from each air outlet 62. As a result, the Y-axis cooling device 60 can efficiently cool the Y-axis mover 54 by air cooling, and compared to devices that cool the Y-axis mover 54 by water cooling or conventional cooling using a heat pipe, heat sink, and cooling fan, the device can be made more compact and costs can be reduced.

[0031] Furthermore, a plurality of grooves 60r extending parallel to one another in the front-to-rear direction are formed in the top surface of case 60c of Y-axis cooling device 60. An intake fan 66 is installed at one front-to-rear end of the top surface of case 60c as needed, and an exhaust fan 67 is installed at the other front-to-rear end as needed. Grooves 60r form an air flow path when the top surface of case 60c and Y-axis block member 22 are joined. Air drawn in by intake fan 66 passes through air passages formed in the top surface of case 60c, exchanges heat with heat transferred from Y-axis mover 54 to case 60c of Y-axis cooling device 60, and is then discharged from exhaust fan 67.

[0032] 1, exhaust fans 15 are installed at the four upper corners of the housing 11. Each exhaust fan 15 exhausts air inside the machine, including air exhausted from each X-axis cooling device 40 and each Y-axis cooling device 60, to the outside of the machine.

[0033] Here, the correspondence between the components of the embodiment and the components of the present disclosure described in the claims will be clarified. In the embodiment, the head 20 (first head 20a, second head 20b) corresponds to a head, the pair of left and right Y-axis linear guides 51 correspond to a pair of first-axis linear guides, the beam member 21 (first beam member 21a, second beam member 21b) corresponds to a beam member, and the pair of upper and lower X-axis linear guides 31 correspond to a pair of second-axis linear guides. Furthermore, the Y-axis block member 22 corresponds to a first-axis block member, the Y-axis stator 53 corresponds to a first-axis stator, the Y-axis mover 54 corresponds to a first-axis mover, and the Y-axis linear motor 52 corresponds to a first-axis linear motor. The three Y-axis guide nuts 56 correspond to three guide nuts. The X-axis linear scale 38 corresponds to a linear scale. The first head 20a corresponds to the first head, the second head 20b corresponds to the second head, the first beam member 21a corresponds to the first beam member, the second beam member 21b corresponds to the second beam member, the first Y-axis moving device 50a corresponds to the first first-axis moving device, the second Y-axis moving device 50b corresponds to the second first-axis moving device, the first Y-axis cableveyor 17a corresponds to the first cableveyor, and the second Y-axis cableveyor 21b corresponds to the second cableveyor. The pair of Y-axis block members 22 correspond to the pair of first-axis block members, the pair of Y-axis linear motors 52 correspond to the pair of first-axis linear motors, and the Y-axis cooling device 60 corresponds to the first-axis cooling member. The X-axis linear motor 32 corresponds to the second-axis linear motor, and the X-axis cooling device 40 corresponds to the second-axis cooling member.

[0034] It goes without saying that the present disclosure is not limited to the above-described embodiments, and can be implemented in various forms as long as they fall within the technical scope of the present disclosure.

[0035] For example, in the above-described embodiment, the component mounter 10 is equipped with two heads 20 (first and second heads 20a, 20b), but may be equipped with a single head. In this case, the component mounter 10 may be equipped with one set each of the beam member 21, the X-axis moving device 30, and the Y-axis moving device 50.

[0036] As described above, in the mounter of the present disclosure, the beam member is formed in a rectangular tube shape using carbon fiber reinforced resin or aramid fiber reinforced resin. This allows for weight reduction while maintaining rigidity. As a result, it is possible to increase the speed of head movement. Furthermore, the simple shape makes it easy to process, thereby reducing manufacturing costs.

[0037] The mounter of the present disclosure may also employ the following configuration. That is, the mounter of the present disclosure may include a pair of first-axis block members, each made of aluminum or an aluminum alloy, movable on a corresponding one of the pair of first-axis linear guides and supporting a corresponding end of the beam member, and a pair of first-axis linear motors, each having a first-axis stator extending along the corresponding first-axis linear guide and a first-axis mover fixed to the corresponding first-axis block member so as to face the first-axis stator at a predetermined distance. In this way, the beam member can be moved smoothly along the first axis by synchronously driving the pair of first-axis linear motors.

[0038] Furthermore, in the mounter of the present disclosure, the pair of second axis linear guides may be hollow rails, which allows the beam member to be further lightened.

[0039] Furthermore, the mounter of the present disclosure may further include at least three guide nuts slidably arranged on corresponding first-axis linear guides of the pair of first-axis linear guides, and a pair of first-axis block members fixed to upper surfaces of the at least three corresponding guide nuts and supporting corresponding ends of the beam member. This allows the load applied to the first-axis block members to be distributed to the three guide nuts, stabilizing the movement of the beam member and improving the durability of the first-axis linear guides and guide nuts.

[0040] Furthermore, the mounter of the present disclosure may further include a linear scale disposed on the beam member so as to extend in the second axis direction, the linear scale being disposed on the outside between the pair of second-axis linear guides. This allows the beam member to be made more compact than when the linear scale is disposed on the inside between the pair of second-axis linear guides.

[0041] Further, the component mounter of the present disclosure may include a first axis moving device that moves the beam member in the first axis direction, the head having a first head and a second head, the beam member including: a first beam member that is movable on the pair of first axis linear guides in the first axis direction and supports the first head movably in the second axis direction, and a second beam member that shares the pair of first axis linear guides with the first beam member, is movable in the first axis direction independently of the first beam member, and supports the second head movably in the second axis direction, the first axis moving device including: a first first axis moving device that moves the first beam member in the first axis direction by power supplied via a cable supported by a first cable bear; and a second first axis moving device that moves the second beam member in the first axis direction by power supplied via a cable supported by a second cable bear, the first cable bear being disposed on one side of the pair of first axis linear guides, and the second cable bear being disposed on the other side of the pair of first axis linear guides. This makes it possible to prevent the first and second cable bears from interfering with each other when the first and second heads, which share the pair of first-axis linear guides, move.

[0042] Furthermore, the mounter of the present disclosure may also include a pair of first-axis block members each movable on a corresponding one of the pair of first-axis linear guides and supporting a corresponding end of the beam member, a pair of first-axis linear motors each having a first-axis stator extending along the corresponding first-axis linear guide and a first-axis mover fixed to the corresponding first-axis block member so as to face the first-axis stator at a predetermined distance, and a first-axis cooling member interposed between the first-axis block members and the first-axis mover and cooling the first-axis mover with air. This allows the device to be more compact than one in which the first-axis mover is cooled by water.

[0043] The mounter of the present disclosure may further include a second-axis linear motor having a second-axis stator disposed on the beam member so as to extend along the pair of second-axis linear guides, a second-axis mover supported by the pair of second-axis linear guides so as to face the second-axis stator at a predetermined distance and supporting the head, and a second-axis cooling member interposed between the head and the second-axis mover and cooling the second-axis mover with air. This allows the device to be more compact than one in which the second-axis mover is cooled by water. [Industrial Applicability]

[0044] The present disclosure can be used in the component mounting machine manufacturing industry and the like. [Explanation of symbols]

[0045] 10 component mounter, 11 housing, 12 base, 13 support stand, 14 operation panel, 15 exhaust fan, 16a first X-axis cable bear, 16b second X-axis cable bear, 17a first Y-axis cable bear, 17b second Y-axis cable bear, 20 head, 20a first head, 20b second head, 21 beam member, 21a first beam member, 21b second beam member, 22 Y-axis block member, 30 X-axis movement device, 30a first X-axis movement device, 30b second X-axis movement device, 31 X-axis linear guide, 32 X-axis linear motor, 33 X-axis stator, 34 X-axis mover, 34r groove, 36 X-axis guide nut, 38 X-axis linear scale, 39 sensor, 40 X-axis cooling device, 41 air inlet section, 42 air outlet section, 43 distribution section, 50 Y-axis movement device, 50a First Y-axis moving device, 50b second Y-axis moving device, 51 Y-axis linear guide, 52 Y-axis linear motor, 53 Y-axis stator, 54 Y-axis mover, 54r groove, 56 Y-axis guide nut, 58 Y-axis linear scale, 59 sensor, 60 Y-axis cooling device, 60c case, 60r groove, 61 air inlet section, 62 air outlet section, 63 distribution section, 66 intake fan, 67 exhaust fan, F feeder, S board.

Claims

1. A component mounter that mounts components, a head capable of picking up the part; a pair of first axis linear guides extending in a first axis direction; a beam member formed in a square tube shape from carbon fiber reinforced resin or aramid fiber reinforced resin so as to extend in a second axis direction intersecting the first axis, with both ends thereof spanning between the pair of first axis linear guides and movable in the first axis direction; a pair of second-axis linear guides disposed on the beam member so as to extend in the second axis direction and movably guide the head in the second axis direction; A component mounter comprising: a pair of first-axis block members each movable on a corresponding one of the pair of first-axis linear guides and supporting a corresponding end of the beam member; a pair of first-axis linear motors each including a first-axis permanent magnet extending along the corresponding first-axis linear guide and a first-axis coil fixed to the corresponding first-axis block member so as to face the first-axis permanent magnet at a predetermined interval; a first shaft cooling member interposed between the first shaft block member and the first shaft coil and configured to cool the first shaft coil with air supplied from an air supply source; Equipped with the first shaft cooling member has an air flow path extending in the first axial direction between itself and the first shaft blocking member; Component mounting machine.

2. 2. The component mounter according to claim 1, The first-axis linear motor is arranged so that the first-axis permanent magnet faces upward and the first-axis coil faces downward, thereby constituting a flat linear motor. Component mounting machine.

3. 3. The component mounter according to claim 1, The first axial cooling member has an air inlet and an air outlet for air supplied by an air supply source. Component mounting machine.

4. 4. The component mounter according to claim 1, a pair of first-axis block members each made of aluminum or an aluminum alloy, movable on a corresponding one of the pair of first-axis linear guides, and supporting a corresponding end of the beam member; a pair of first-axis linear motors each having a first-axis stator extending along the corresponding first-axis linear guide and a first-axis mover fixed to the corresponding first-axis block member so as to face the first-axis stator at a predetermined interval; A component mounting machine comprising:

5. 5. The component mounter according to claim 1, The pair of second axis linear guides are hollow rails. Component mounting machine.

6. 6. The component mounter according to claim 1, At least three guide nuts each slidably disposed on a corresponding one of the pair of first-axis linear guides; a pair of first shaft block members fixed to upper surfaces of the at least three corresponding guide nuts and supporting corresponding ends of the beam member; A component mounting machine comprising:

7. 7. The component mounter according to claim 1, a linear scale disposed on the beam member so as to extend in the second axial direction; the linear scale is disposed outside between the pair of second-axis linear guides; Component mounting machine.

8. 8. The component mounter according to claim 1, a first axis movement device that moves the beam member in the first axis direction; the head includes a first head and a second head, the beam member includes a first beam member that is movable in the first axial direction on the pair of first-axis linear guides and supports the first head so that it can move in the second axial direction, and a second beam member that shares the pair of first-axis linear guides with the first beam member, is movable in the first axial direction independently of the first beam member, and supports the second head so that it can move in the second axial direction, The first axis moving device includes a first first axis moving device that moves the first beam member in the first axis direction by power supplied via a cable supported by a first cable bear (cable bear is a registered trademark), and a second first axis moving device that moves the second beam member in the first axis direction by power supplied via a cable supported by a second cable bear, the first cable bear is disposed on one side of the pair of first-axis linear guides, the second cable bear is disposed on the other side of the pair of first-axis linear guides; Component mounting machine.

9. 9. The component mounter according to claim 1, a pair of first-axis block members each movable on a corresponding one of the pair of first-axis linear guides and supporting a corresponding end of the beam member; a pair of first-axis linear motors each including a first-axis stator, which is the first-axis permanent magnet extending along the corresponding first-axis linear guide, and a first-axis mover, which is the first-axis coil fixed to the corresponding first-axis block member so as to face the first-axis stator at a predetermined interval; a first-axis cooling member interposed between the first-axis block member and the first-axis moving element and configured to cool the first-axis moving element with air; A component mounting machine comprising:

10. 10. The component mounter according to claim 1, a second-axis linear motor including: a second-axis stator disposed on the beam member so as to extend along the pair of second-axis linear guides; and a second-axis mover supported by the pair of second-axis linear guides so as to face the second-axis stator at a predetermined interval and supporting the head; a second axis cooling member interposed between the head and the second axis moving element and configured to cool the second axis moving element by air; A component mounting machine comprising:

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