Special multi-station five-axis machining machine for slender parts

Abstract

The invention discloses a multi-station five-axis special machining machine for slender workpieces, relates to the technical field of machining, and solves the problem that the production efficiency of the slender workpieces is affected due to excessively dispersed machining procedures. The device comprises a base; a turntable; the at least two clamping stations are respectively arranged on the rotary peripheral surface of the rotary table and are distributed around the rotary shaft of the rotary table; the rotary driving mechanism is used for driving the rotary table to rotate around the axis of the rotary table; the first machining units can move in the X-axis direction, the Y-axis direction and the Z-axis direction and can rotate around the Z axis and the X axis; and the second machining unit can move in the X-axis direction, the Y-axis direction and the Z-axis direction and can rotate around the Z-axis and the Y-axis. According to the special machine, five-axis machining can be achieved, one-time clamping is matched with double machining positions, multi-procedure machining can be carried out, long and thin workpieces can be drilled and milled at the same time, feeding and discharging can be carried out while machining is carried out in the machining process, and the machining efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical processing, in particular to a multi-station five-axis processing machine for slender parts. Background Art

[0002] Slender rod-shaped parts, for example, require drilling and milling. First, the slender part is placed on a drilling table, and a hole is drilled into the workpiece surface using a drilling machine. After drilling is complete, the workpiece is transferred to the next process, the milling process, where a milling machine mills the workpiece along its edge to the desired size. In the prior art, these two steps are performed separately, with the slender part first being drilled and then transferred to the next process for milling. As a result, the processes are relatively dispersed, and the transitions between processes are time-consuming, impacting the production efficiency of slender workpieces.

[0003] In the prior art, for example, the integrated cutting, drilling and tapping machine disclosed in announcement number CN216858891U adopts a turntable that rotates around a vertical axis, and the milling device and the drilling device are located on the periphery of the turntable. This structure is not compact enough and is relatively bulky, occupies a large floor space, and the rotation is not stable enough. Summary of the Invention

[0004] The purpose of the present invention is to solve the above problems. A multi-station five-axis machining machine for slender workpieces is designed to solve the problem that the production efficiency of slender workpieces is affected by excessive dispersion of machining procedures.

[0005] The technical solution of the present invention to achieve the above-mentioned purpose is a multi-station five-axis machining center for slender parts, comprising: base; A turntable rotatably disposed on the base; At least two clamping stations are respectively arranged on the rotating outer peripheral surface of the turntable and distributed around the rotation axis of the turntable, the length direction of the clamping station is consistent with the rotation axis direction of the turntable, and the clamping station is used to install the positioning fixture; A rotary drive mechanism, the rotary drive mechanism is used to drive the turntable to rotate around the axis of the turntable to switch the position of the clamping station; At least one first processing unit, the first processing unit can move along the X, Y, and Z axes and can rotate around the Z and X axes, the first processing unit corresponds to another clamping station, and is used to perform a drilling operation on the product; At least one second processing unit, the second processing unit can move along the XYZ axis and can rotate around the Z axis and the Y axis, the second processing unit corresponds to one of the clamping stations, and is used for milling the product.

[0006] Furthermore, the base is provided with a chip removal groove, and the chip removal groove at least partially extends to the bottom of the turntable.

[0007] Furthermore, the inner wall of the chip removal groove is inclined, and the inclined wall of the chip removal groove extends to the bottom of the turntable.

[0008] Furthermore, a plurality of reinforcing ribs are provided in the chip groove, and the reinforcing ribs are distributed along the length direction of the chip groove, and the reinforcing ribs are connected to the inner walls on both sides of the chip groove.

[0009] Furthermore, four clamping stations are provided on the rotating outer peripheral surface of the turntable, and inclined sheet metal parts are provided on both sides of each clamping station.

[0010] Furthermore, a door assembly is provided on one side of the base, and the door assembly is located on a side of the turntable away from the second processing unit.

[0011] Furthermore, a first chip guard plate and a second chip guard plate are provided on the side of the turntable away from the second processing unit. The first chip guard plate is horizontally arranged and extends above the sheet metal part on the clamping station side of the upper surface of the turntable, and the second chip guard plate is inclined and close to the turntable.

[0012] Furthermore, two relatively arranged support seats are provided on the base, a bearing seat is provided on the top of one of the support seats, and the rotation drive mechanism is installed on the other support seat. One end of the turntable is rotatably connected to the bearing seat, and the other end is drivingly connected to the rotation drive mechanism.

[0013] Furthermore, the base is provided with a truss capable of moving along the Y-axis direction, the truss is provided with a saddle capable of moving along the X-axis direction, the saddle is provided with a B-axis rotation module capable of moving along the Z-axis direction, the B-axis rotation module is provided with a C-axis rotation module, and the B-axis rotation module and the C-axis rotation module are used to control the first machining unit to rotate around the Z-axis and the X-axis respectively.

[0014] Furthermore, the base is provided with a lifting module capable of moving along the X-axis direction, the lifting module is provided with a slide capable of moving along the Y-axis direction, the slide is provided with a B-axis rotation module capable of moving along the Y-axis direction, the B-axis rotation module is provided with a C-axis rotation module, and the B-axis rotation module and the C-axis rotation module are used to control the second processing unit to rotate around the Y-axis and the Z-axis respectively.

[0015] Compared with the prior art, the beneficial effects are: The processing machine of the present invention has at least two workstations, and drilling and milling processes can be performed simultaneously. There are at least two clamping stations on the outside of the turntable, which are used to install positioning fixtures, and the slender workpiece is clamped and fixed on the positioning fixtures. The first processing unit can move along the XYZ axis and rotate around the Z axis and X axis. The second processing unit can move along the XYZ axis and rotate around the Z axis and Y axis, which can respectively realize five-axis processing of drilling and milling. By drilling and milling slender workpieces in multiple directions and angles, the processing requirements of complex workpieces can be met.

[0016] After drilling is completed, the turntable is driven to rotate by the rotary drive mechanism, the workstation is switched, and the turntable is rotated to the position of the second processing unit to perform milling on the workpiece.

[0017] This special machine integrates two processes to reduce unnecessary time waste. It can perform multi-process processing with one clamping and dual processing positions, thereby improving the production and processing efficiency of slender workpieces.

[0018] Secondly, since machining such slender workpieces generates a high volume of aluminum chips, a chip chute is located directly beneath the workpiece to facilitate chip removal. Once drilling and milling are complete on the slender workpiece, the turntable rotates to the side where the door assembly is located, opening the door and allowing users to load and unload the workpiece from outside the machine tool, a safe and convenient experience.

[0019] The first chip guard plate and the second chip guard plate on the upper and lower sides of the turntable cooperate with each other to play a protective role, which can prevent a large amount of aluminum chips or milling liquid from splashing out of the machine tool from the side where the door assembly is located during unloading, effectively solving problems such as water leakage and chip splashing in the machine tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the multi-station five-axis processing machine for slender parts in the present invention; Figure 2 This is a side view of a multi-station five-axis machining center for slender parts; Figure 3 It is a structural diagram of the turntable; Figure 4 This is a structural diagram of a multi-station five-axis machining center for slender parts with the first machining unit removed. Figure 5 yes Figure 4 A structural diagram from another perspective; Figure 6 Schematic diagram of the installation structure of the first processing unit; Figure 7 It is a schematic diagram of the installation structure of the second processing unit.

[0021] In the figure, 1. base; 101. chip groove; 2. first processing unit; 3. second processing unit; 4. turntable; 41. clamping station; 5. rotation drive mechanism; 6. truss; 7. bearing seat; 8. lifting module; 9. slide; 10. column; 11. sheet metal; 12. reinforcing rib; 13. door assembly; 14. chip guard plate; 15. slide saddle; 16. slender workpiece; 17. support seat; 18. first chip guard plate; 19. second chip guard plate; 20. B-axis rotation module; 21. C-axis rotation module. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] like Figure 1 and Figure 2 As shown, a preferred embodiment of the present invention provides a multi-station five-axis machining center for slender workpieces, which has multiple stations and can perform drilling and milling on the slender workpiece 16 at the same time.

[0024] Specifically, the special machine mainly includes a base 1, a rotation drive mechanism 5, a truss 6, a turntable 4, a second processing unit 3, a first processing unit 2 and other components.

[0025] like Figure 1 As shown, the base 1 has columns 10 on both sides, and slide rails are provided on the columns 10. The ends of the truss 6 are respectively slidably connected to the slide rails on the two columns 10. A driving mechanism (not shown) drives the truss 6 to slide horizontally. The sliding direction of the truss 6 is the Y-axis direction.

[0026] See also Figure 1 、 Figure 6 Two sliding saddles 15 are provided on one side of the truss 6. The sliding saddle 15 is horizontally slidably connected to the slide rail fixed on one side of the truss 6, and the sliding direction is perpendicular to the sliding direction of the truss 6, that is, the X-axis direction.

[0027] A B-axis rotation module 20 and a C-axis rotation module 21 are mounted on each saddle portion 15 , wherein the B-axis rotation module 20 is connected to the saddle portion in an up-and-down sliding manner, and the sliding direction is the Z-axis direction.

[0028] The C-axis rotation module 21 is mounted on the B-axis rotation module 20, and the first machining unit is mounted on the C-axis rotation module 21. The rotation axes of the B-axis rotation module 20 and the C-axis rotation module 21 are perpendicular to each other. The B-axis rotation module 20 and the C-axis rotation module 21 respectively control the rotation of the first machining unit 2 about the Z-axis and Y-axis, thus enabling multi-angle drilling.

[0029] The truss 6 and the saddle 15 also have a driving mechanism (not shown in the figure) for driving the saddle 15 to move along the X-axis direction and the first processing unit 2 to move along the Z-axis direction. The driving mechanism can use a motor-screw as a driving component.

[0030] See also Figure 1 、 Figure 7 Two lifting modules 8 are provided on the base 1. The two lifting modules 8 are horizontally slidably connected to the slide rail fixedly installed on the base 1. The sliding direction is consistent with the length direction of the slender workpiece 16, which is the X-axis direction.

[0031] A slide 9 is mounted on the lifting module, and the lifting module 8 controls the slide 9 to move up and down, that is, to move along the Z-axis direction.

[0032] The slide 9 is equipped with a B-axis rotation module 20 and a C-axis rotation module 21. The B-axis rotation module 20, through a slider, cooperates with the slide rail to achieve horizontal sliding along the Y-axis. The C-axis rotation module 21 is mounted on the B-axis rotation module 20, and the second machining unit 3 is mounted on the C-axis rotation module 21. The rotation axes of the B-axis rotation module 20 and the C-axis rotation module 21 are perpendicular to each other. The B-axis rotation module 20 and the C-axis rotation module 21 respectively control the rotation of the second machining unit 3 about the Y-axis and the Z-axis, thus enabling multi-angle milling.

[0033] The base 1 has a driving mechanism (not shown in the figure) for driving the lifting module 8 to slide horizontally.

[0034] In other words, the first machining unit 2 can move in the X, Y, and Z axes, and can also rotate around the Z and X axes. The second machining unit 3 can also move in the X, Y, and Z axes, and can also rotate around the Z and Y axes. By coordinating these five machining axes, the first machining unit 2 and the second machining unit 3 can each perform multi-position and multi-angle drilling and milling operations on the elongated workpiece 16.

[0035] In this embodiment, the B-axis rotation module 20 and the C-axis rotation module 21 are directly controlled to rotate by motors, or the motors are controlled to rotate through belts and synchronous pulleys.

[0036] It should be noted that the first processing unit 2 and the second processing unit 3 in the figure of this embodiment include a spindle, a processing tool, and a rotating motor. The processing tool includes but is not limited to a drill bit and a milling cutter (not shown in the figure). The specific structure is not described in detail here.

[0037] like Figure 1As shown, in this embodiment, the turntable 4 is mounted horizontally and suspended, so its axis is also horizontal. Two opposing support blocks 17 are provided on the base 1. A rotation drive mechanism is mounted on one of the support blocks 17, and a bearing block is mounted on the other support block 17. One end of the turntable 4 is rotationally connected to the bearing block 7, and the other end is drivingly connected to the rotation drive mechanism 5. The rotation drive mechanism 5 drives the turntable 4 to rotate about its axis via a motor-gear combination.

[0038] In other embodiments, the turntable 4 can also be arranged vertically, and the rotary drive mechanism 5 can be installed on the top or bottom of the turntable 4 to drive the turntable 4 to rotate, and the waste chips fall directly downward along the vertical plane of the turntable 4 when falling.

[0039] like Figure 3 As shown, the turntable 4 is a square structure with a clamping station 41 on each of its four sides. The length of each clamping station 41 aligns with the axis of rotation of the turntable 4. The clamping stations 41 are used to mount positioning fixtures (not shown). The positioning fixtures can be fixed with bolts or other auxiliary components. The elongated workpiece 16 is clamped in place by the positioning fixtures for subsequent machining. Two workpieces are clamped in each positioning fixture.

[0040] The first processing unit 2 is located directly above the turntable 4 , and the second processing unit 3 is directly opposite to one side of the turntable 4 .

[0041] The first machining unit 2 and the second machining unit 3 are located opposite the two clamping stations, respectively. During milling and drilling, the force applied is directed toward the clamping station 41 and perpendicular to the rotation axis of the turntable 4. Both ends of the turntable 4 are positioned, ensuring greater stability during rotation and preventing it from tilting.

[0042] The top of the turntable 4 is station one, the side near the second machining unit 3 is station two, the bottom is station three, and the back (i.e., the side near the door assembly 13) is station four. Initially, at station one, the two first machining units 2 simultaneously drill the elongated workpiece 16 from two directions. After drilling, the rotary drive mechanism 5 rotates the turntable 4 90° to station two, where the two second machining units 3 simultaneously mill the elongated workpiece 16 from two directions (e.g., milling the edges). After drilling, the rotary drive mechanism 5 rotates the turntable 4 90° to station three. Waste chips and coolant on the turntable 4 fall downward into the chip chute 101 on the base 1. Finally, the rotary drive mechanism 5 rotates the turntable 4 90° to station four, where manual loading and unloading begins.

[0043] Since the aluminum chips generated during the processing of the elongated workpiece 16 are relatively large, a chip removal groove 101 is provided just below the turntable for easier chip removal. The waste chips in the chip removal groove 101 can be further cleaned up at last.

[0044] refer to Figure 1 、 Figure 2 , there is a V-shaped chip groove 101 on the base 1. The inner walls on both sides of the chip groove 101 are inclined so that waste chips and coolant slide along the inclined surface and gather in the middle of the chip groove 101, and then flow out along the chip groove 101.

[0045] refer to Figure 3 A sheet metal part 11 is welded on both sides of the four clamping stations 41 on the side of the turntable 4. The sheet metal part 11 is tilted so that at the second and third stations, the water and aluminum chips remaining on the workpiece will fall to the lower inclined surface and finally enter the chip groove 101.

[0046] like Figure 1 As shown, due to the presence of the chip groove 101, the structural strength of the position where the chip groove 101 is located on the base 1 will be reduced. Therefore, a plurality of reinforcing ribs 12 are welded above the chip groove 101. The plurality of reinforcing ribs 12 are evenly spaced along the extension direction of the chip groove 101. The two ends of the reinforcing ribs 12 are respectively welded to the inner walls on both sides of the chip groove 101 to strengthen the structural strength of the position where the chip groove 101 is located on the base 1.

[0047] The reinforcing rib 12 is conical in shape with inclined surfaces on both sides, which can play a reinforcing role and facilitate aluminum chips to fall into the chip guide groove 101.

[0048] refer to Figure 1 A door assembly 13 is mounted on the back of the machine, below the truss 6 and near the fourth workstation on the turntable 4. After drilling and milling, the elongated workpiece 16 rotates to the side where the door assembly 13 is located. The door assembly 13 is opened, allowing users to load and unload the workpiece from outside the machine, a safe and convenient operation.

[0049] like Figure 4 、 Figure 5 As shown, chip guards are installed on both the upper and lower sides of the door assembly 13: a first chip guard 18 and a second chip guard 19, respectively, to prevent iron chips from splashing outside the machine tool. The first chip guard 18 is horizontally welded to the upper edge of the door assembly 13 frame and extends above the sheet metal 11 on one side of the workstation. It cooperates with the sheet metal 11 to prevent iron chips from splashing onto people during manual loading and unloading. The second chip guard 19 is tilted and welded to the lower edge of the door assembly 13 frame to prevent milling fluid or iron chips from splashing out.

[0050] In general, firstly, the special machine can realize five-axis machining, one-time clamping and dual machining positions, can perform multi-process machining, can drill and mill slender workpieces at the same time, and can process and load materials at the same time during the machining process, thereby improving machining efficiency; secondly, the first chip guard plate 18 and the second chip guard plate 19 cooperate to prevent milling liquid or iron chips from splashing out of the machine tool from the side where the door assembly 13 is located during the unloading process; thirdly, during the rotation of the turntable 4, the water and aluminum chips remaining on the workpiece will fall onto the lower inclined surface, flow down along the inclined surface and gather in the chip removal groove 101, which is convenient for subsequent centralized processing.

[0051] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention. Any changes that may be made to certain parts thereof by those skilled in the art all reflect the principles of the present invention and fall within the scope of protection of the present invention.

Claims

1. A multi-station five-axis processing machine for slender parts, characterized in that: include: Base (1); A turntable (4), the turntable (4) being rotatably arranged on the base (1); At least two clamping stations (41) are respectively arranged on the rotating outer peripheral surface of the turntable (4) and distributed around the rotating axis of the turntable (4), the length direction of the clamping stations (41) is consistent with the direction of the rotating axis of the turntable (4), and the clamping stations (41) are used to install a positioning fixture; A rotary drive mechanism (5), the rotary drive mechanism (5) being used to drive the turntable (4) to rotate around the axis of the turntable (4) to switch the position of the clamping station (41); At least one first processing unit (2), the first processing unit (2) being movable along the X, Y, and Z axes and being rotatable around the Z and X axes, the first processing unit (2) corresponding to one of the clamping stations (41) and being used for drilling a product; At least one second processing unit (3), the second processing unit (3) can move along the XYZ axis and can rotate around the Z axis and the Y axis, the second processing unit (3) corresponds to another clamping station (41) and is used for milling the product.

2. A multi-station five-axis processing machine for slender parts according to claim 1, characterized in that: The base (1) is provided with a chip removal groove (101), and the chip removal groove (101) at least partially extends to the bottom of the turntable (4).

3. A multi-station five-axis processing machine for slender parts according to claim 2, characterized in that: The inner wall of the chip removal groove (101) is inclined, and the inclined wall of the chip removal groove (101) extends to the bottom of the turntable (4).

4. A multi-station five-axis processing machine for slender parts according to claim 2, characterized in that: A plurality of reinforcing ribs (12) are provided in the chip groove (101), the reinforcing ribs (12) are distributed along the length direction of the chip groove (101), and the reinforcing ribs (12) are connected to the inner walls on both sides of the chip groove (101).

5. The multi-station five-axis processing machine for slender parts according to claim 1, characterized in that: Four clamping stations (41) are provided on the rotating outer peripheral surface of the turntable (4), and both sides of each clamping station (41) are provided with inclined sheet metal parts (11).

6. The multi-station five-axis processing machine for slender parts according to claim 1, characterized in that: A door assembly (13) is provided on one side of the base (1), and the door assembly (13) is located on a side of the turntable (4) away from the second processing unit (3).

7. The multi-station five-axis processing machine for slender parts according to claim 1, characterized in that: A first chip guard plate (18) and a second chip guard plate (19) are provided on a side of the turntable (4) away from the second processing unit (3), wherein the first chip guard plate (18) is horizontally arranged and extends to above the sheet metal part (11) on one side of the clamping station (41) on the upper surface of the turntable (4), and the second chip guard plate (19) is inclined and close to the turntable (4).

8. The multi-station five-axis processing machine for slender parts according to claim 1, characterized in that: The base (1) is provided with two supporting seats (17) arranged opposite to each other, a bearing seat (7) is provided on the top of one of the supporting seats (17), the rotary drive mechanism (5) is installed on the other supporting seat (17), one end of the turntable (4) is rotatably connected to the bearing seat (7), and the other end is drivingly connected to the rotary drive mechanism (5).

9. The multi-station five-axis machining center for slender parts according to claim 1, characterized in that: The base (1) is provided with a truss (6) capable of moving along the Y-axis direction, the truss (6) is provided with a sliding saddle (15) capable of moving along the X-axis direction, the sliding saddle (15) is provided with a B-axis rotation module (20) capable of moving along the Z-axis direction, the B-axis rotation module (20) is provided with a C-axis rotation module (21), and the B-axis rotation module (20) and the C-axis rotation module (21) are used to control the first processing unit (2) to rotate around the Z-axis and the X-axis respectively.

10. The multi-station five-axis processing machine for slender parts according to claim 1, characterized in that: The base (1) is provided with a lifting module (8) capable of moving along the X-axis direction, the lifting module (8) is provided with a slide (9) capable of moving along the Y-axis direction, the slide (9) is provided with a B-axis rotation module (20) capable of moving along the Y-axis direction, the B-axis rotation module (20) is provided with a C-axis rotation module (21), and the B-axis rotation module (20) and the C-axis rotation module (21) are respectively used to control the second processing unit (3) to rotate around the Y-axis and the Z-axis.

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