High-precision five-axis linkage machining center with swing head

Abstract

The invention relates to the technical field of machining centers, and discloses a high-precision five-axis linkage machining center with a swing head, the high-precision five-axis linkage machining center comprises a machining base, a cutting mechanism is fixedly connected to the middle of the top of the machining base, lifting mechanisms are fixedly connected to the two ends of the top of the machining base, and a reciprocating mechanism is fixedly connected to one side of the cutting mechanism; the cutting mechanism comprises a driving assembly and a swinging assembly, and the swinging assembly is arranged on one side of the driving assembly; and the lifting mechanism comprises second motors, the second motors are fixedly connected to the two ends of the top of the machining base, the bottom ends of the second motors are fixedly connected with lead screws, the surfaces of the lead screws are in threaded connection with threaded plates, and the tops of the threaded plates are fixedly connected with mounting bases. According to the high-precision five-axis linkage machining center with the swing head, through the arranged cutting mechanism, a cutting tool bit is driven to move in the opposite direction under the action of a spring, and then the cutting tool bit is driven to conduct swing cutting operation during movable cutting.

Description

Technical Field

[0001] The invention relates to the technical field of machining centers, in particular to a high-precision five-axis linkage machining center with a swing head. Background Art

[0002] The five-axis linkage machining center is also called the five-axis machining center. It is a high-tech, high-precision machining center specially used for machining complex curved surfaces. In addition, the biggest feature of the five-axis linkage machining center is that it can process all five surfaces in one clamping, which is the so-called machining angle avoidance.

[0003] Among them, in the process of using a five-axis machining center to process a workpiece, in order to achieve certain special processing needs of the workpiece, such as performing curved cutting operations on the workpiece, it is necessary to swing the machining tool head of the five-axis machining center to cut the workpiece, and the existing five-axis machining center has limited cutting types. In order to meet the above requirements, it is necessary to design a precision five-axis linkage machining center with a swing head. Summary of the invention

[0004] The purpose of the present invention is to provide a high-precision five-axis linkage machining center with a swing head to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a high-precision five-axis linkage machining center with a swing head, comprising a machining base, a cutting mechanism is fixedly connected to the middle of the top of the machining base, a lifting mechanism is fixedly connected to both ends of the top of the machining base, and a reciprocating mechanism is fixedly connected to one side of the cutting mechanism; The cutting mechanism comprises a driving assembly and a swinging assembly, wherein the swinging assembly is arranged on one side of the driving assembly; The lifting mechanism includes a second motor, which is fixedly connected to the two ends of the top of the processing base, a screw rod is fixedly connected to the bottom end of the second motor, a threaded plate is threadedly connected to the surface of the screw rod, a mounting seat is fixedly connected to the top of the threaded plate, and a processing part is arranged on the top of the mounting seat.

[0006] Preferably, the driving assembly includes a supporting wall panel, the supporting wall panel is fixedly connected to the middle of the top of the processing base, one end of the top of the supporting wall panel is fixedly connected to a first motor, one end of the first motor is fixedly connected to an electric pole, one end of the electric pole is fixedly connected to a transmission wheel, the surface of the transmission wheel is transmission-connected to a transmission belt, and the top of the supporting wall panel is fixedly connected to a rack.

[0007] Preferably, a through hole is provided at the upper left end of the supporting wall panel surface, and the surface of the electric pole passes through the through hole provided at the upper left end of the supporting wall panel surface, so that the electric pole can rotate under the support and limiting action inside the through hole provided at the upper left end of the supporting wall panel surface, and finally drive the transmission belt and the cutting head to move, thereby performing processing operations on the movement of the workpiece.

[0008] Preferably, two transmission wheels are respectively distributed at both ends of the inner side of the transmission belt, one end of the pole is rotatably connected to one side of the supporting wall panel, a groove is provided on the top of the supporting wall panel, and the rack surface is located inside the groove.

[0009] Preferably, the rocking assembly includes a connecting block, the connecting block is fixedly connected to the surface of the transmission belt, one end of the connecting block is fixedly connected to a straight slider, the top of the connecting block is fixedly connected to a support bar, a worm is arranged inside the support bar, both ends of the worm are respectively fixedly connected to spur gears, the lower surface of the worm is meshingly connected to a worm wheel, a rotating rod is fixedly connected in the middle of the worm wheel, a T-shaped support seat is arranged on the left end of the rotating rod surface, a half gear is fixedly connected to the right end of the rotating rod, the left end of the rotating rod is rotatably connected to the right bottom end of the T-shaped support seat, and the lower surface of the spur gear is meshingly connected to the upper surface of the rack.

[0010] Preferably, a straight groove is opened in the middle of one side of the supporting wall panel, and the surface of the straight sliding block is slidably connected to the inside of the straight groove. When the straight sliding block is slid inside the straight groove opened in the middle of one side of the supporting wall panel, it can provide certain support for the connecting block when it moves under the action of the transmission belt, thereby ensuring a certain movement stability of the cutting head when the cutting head is cutting.

[0011] Preferably, a through hole is provided inside the support bar, and the surface of the worm passes through the through hole provided inside the support bar.

[0012] Preferably, the reciprocating mechanism includes a spring, which is fixedly connected to the left side of the T-shaped support seat, the left end of the spring is fixedly connected to a supporting circular plate, the middle of the right side of the supporting circular plate is fixedly connected to a long rod, the middle of the surface of the long rod is fixedly connected to a supporting cone plate, the bottom end of the supporting cone plate is fixedly connected to a cutting head, the right end of the long rod is fixedly connected to a pinion, and the upper surface of the pinion is meshingly connected to the lower surface of the half gear.

[0013] Preferably, a through hole is provided at the bottom end of the T-shaped support seat, and the left end of the long rod surface passes through the through hole provided at the bottom end of the T-shaped support seat. The long rod is rotated under the action of the limiting support in the through hole provided at the bottom end of the T-shaped support seat, thereby ensuring that a certain stability can be provided when the pinion performs reciprocating swinging motion, thereby enabling a more stable swing cutting processing operation.

[0014] Preferably, threaded holes are respectively provided at the four corners of the surface of the threaded plate, and there are four screw rods. The four screw rod surfaces are respectively located at the four corners of the surface of the threaded plate with threaded holes, and through holes are respectively provided at the four corners of the top of the processing base. The upper surface of the screw rod passes through the through holes respectively provided at the four corners of the top of the processing base, and the bottom end of the screw rod is rotatably connected to the bottom end inside the processing base, so that when the second motor drives the screw rod to rotate, the threaded plate can be driven to move upward, and the workpiece can be moved to a position suitable for processing to perform processing operations.

[0015] Compared with the prior art, the present invention provides a high-precision five-axis linkage machining center with a swing head, which has the following beneficial effects: 1. This high-precision five-axis linkage machining center with a swing head, through the setting of the cutting mechanism, the electric pole rotates under the support limit inside the through hole opened at the upper left end of the surface of the supporting wall panel, and finally drives the transmission belt and the cutting head to move, so as to carry out the processing operation on the movement of the workpiece.

[0016] 2. This high-precision five-axis linkage machining center with a swing head has a cutting mechanism set up. The spur gear drives the worm and the meshing worm wheel to rotate under the meshing connection with the rack surface, and drives the rotating rod and the half gear to rotate. When the half gear rotates to disengage from the pinion, the cutting head is driven to move in the opposite direction under the action of the spring, and then drives the cutting head to perform a swing cutting operation during mobile cutting.

[0017] 3. The high-precision five-axis linkage machining center with a swing head has a lifting mechanism, which makes it possible for the threaded plate to move upward when the second motor drives the screw rod to rotate, and then the workpiece is moved to a position suitable for processing for processing operations. It is convenient for the threaded plate to move upward when the second motor drives the screw rod to rotate, and then the workpiece is moved to a position suitable for processing for processing operations.

[0018] 4. This high-precision five-axis linkage machining center with a swing head, through the reciprocating mechanism, uses the elastic effect of the spring to allow the small gear to return to rotate when it is out of mesh with the surface of the half gear, thereby realizing the swing function. In addition, the long rod is rotated under the limit support of the through hole opened at the bottom end of the T-shaped support seat, thereby ensuring that a certain stability can be provided when the small gear performs reciprocating swing motion, thereby enabling a more stable swing cutting processing operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor: Figure 1 It is a three-dimensional diagram of the structure of the present invention; Figure 2 It is a three-dimensional exploded cross-sectional view of the structural drive assembly of the present invention; Figure 3 It is a three-dimensional exploded view of the swing assembly of the structure of the present invention; Figure 4 It is a three-dimensional diagram of the lifting mechanism of the structure of the present invention; Figure 5 This is a three-dimensional exploded view of the reciprocating mechanism of the structure of the present invention; Figure 6 A three-dimensional cross-sectional view of a processing base for the structure of the present invention; Figure 7 for Figure 3 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1. processing base; 2. cutting mechanism; 21. driving assembly; 211. supporting wall panel; 212. first motor; 213. electric pole; 214. transmission wheel; 215. transmission belt; 216. rack; 22. swing assembly; 221. connecting block; 222. straight slider; 223. supporting bar; 224. worm; 225. spur gear; 226. worm wheel; 227. rotating rod; 228. half gear; 229. T-shaped supporting seat; 3. lifting mechanism; 31. second motor; 32. screw rod; 33. threaded plate; 34. mounting seat; 35. processing part; 4. reciprocating mechanism; 41. spring; 42. supporting circular plate; 43. long rod; 44. supporting cone plate; 45. cutting head; 46. small gear. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The present invention provides the following technical solutions: Embodiment 1

[0024] Combination Figures 2 to 7 A high-precision five-axis linkage machining center with a swing head includes a machining base 1, a cutting mechanism 2 is fixedly connected to the middle of the top of the machining base 1, a lifting mechanism 3 is fixedly connected to both ends of the top of the machining base 1, and a reciprocating mechanism 4 is fixedly connected to one side of the cutting mechanism 2; The cutting mechanism 2 includes a driving assembly 21 and a swing assembly 22, wherein the swing assembly 22 is disposed on one side of the driving assembly 21; The lifting mechanism 3 includes a second motor 31, which is fixedly connected to the two ends of the top of the processing base 1, a screw rod 32 is fixedly connected to the bottom end of the second motor 31, a threaded plate 33 is threadedly connected to the surface of the screw rod 32, a mounting seat 34 is fixedly connected to the top of the threaded plate 33, and a processing piece 35 is arranged on the top of the mounting seat 34. The driving assembly 21 includes a supporting wall panel 211, the supporting wall panel 211 is fixedly connected to the middle of the top of the processing base 1, a first motor 212 is fixedly connected to one end of the top of the supporting wall panel 211, a pole 213 is fixedly connected to one end of the first motor 212, a transmission wheel 214 is fixedly connected to one end of the pole 213, a transmission belt 215 is transmission-connected to the surface of the transmission wheel 214, a rack 216 is fixedly connected to the top of the supporting wall panel 211, a through hole is opened at the upper left end of the surface of the supporting wall panel 211, and a through hole is opened on the surface of the pole 213 that penetrates through the upper left end of the surface of the supporting wall panel 211.

[0025] Furthermore, two transmission wheels 214 are respectively distributed at the two ends of the inner side of the transmission belt 215, one end of the electric pole 213 is rotatably connected to one side of the supporting wall panel 211, a groove is opened on the top of the supporting wall panel 211, and the surface of the rack 216 is located inside the groove. The electric pole 213 rotates under the support and limiting action of the through hole opened at the upper left end of the surface of the supporting wall panel 211, and finally drives the transmission belt 215 and the cutting head 45 to move, so as to perform the processing operation on the movement of the workpiece, and the spur gear 225 drives the worm 224 and the meshing worm wheel 226 to rotate under the meshing connection with the surface of the rack 216, and drives the rotating rod 227 and the half gear 228 to rotate. When the half gear 228 rotates to disengage from the pinion 46, it drives the cutting head 45 to move in the opposite direction under the action of the spring 41, and then drives the cutting head 45 to perform a swing cutting operation during mobile cutting. Embodiment 2

[0026] See also Figure 1-7 On the basis of the first embodiment, the swing assembly 22 further comprises a connecting block 221, the connecting block 221 is fixedly connected to the surface of the transmission belt 215, one end of the connecting block 221 is fixedly connected to a straight slider 222, the top of the connecting block 221 is fixedly connected to a support bar 223, a worm 224 is arranged inside the support bar 223, both ends of the worm 224 are respectively fixedly connected to a spur gear 225, the lower surface of the worm 224 is meshedly connected to a worm wheel 226, a rotating rod 227 is fixedly connected in the middle of the worm wheel 226, a T-shaped support seat 229 is arranged on the left end of the surface of the rotating rod 227, a half gear 228 is fixedly connected to the right end of the rotating rod 227, the left end of the rotating rod 227 is rotatably connected to the bottom end of the right side of the T-shaped support seat 229, the lower surface of the spur gear 225 is meshedly connected to the upper surface of the rack 216, a straight groove is opened in the middle of one side of the supporting wall panel 211, and the surface of the straight slider 222 is slidably connected to the inside of the straight groove.

[0027] Furthermore, a through hole is provided inside the support bar 223, and the surface of the worm 224 passes through the through hole provided inside the support bar 223, so that when the second motor 31 drives the screw rod 32 to rotate, the threaded plate 33 can be driven to move upward, and then the processing part 35 can be moved to a position suitable for processing to perform processing operations. When the second motor 31 drives the screw rod 32 to rotate, the threaded plate 33 can be driven to move upward, and then the processing part 35 can be moved to a position suitable for processing to perform processing operations. Embodiment 3

[0028] See also Figure 1-7On the basis of the first embodiment, the reciprocating mechanism 4 further comprises a spring 41, the spring 41 is fixedly connected to the left side of the T-shaped support seat 229, the left end of the spring 41 is fixedly connected to a supporting circular plate 42, a long rod 43 is fixedly connected to the middle of the right side of the supporting circular plate 42, a supporting cone plate 44 is fixedly connected to the middle of the surface of the long rod 43, a cutting head 45 is fixedly connected to the bottom end of the supporting cone plate 44, a pinion 46 is fixedly connected to the right end of the long rod 43, the upper surface of the pinion 46 is meshed with the lower surface of the half gear 228, a through hole is opened at the bottom end of the T-shaped support seat 229, and the left end of the surface of the long rod 43 passes through the through hole opened at the bottom end of the T-shaped support seat 229.

[0029] Furthermore, threaded holes are respectively opened at the four corners of the surface of the threaded plate 33, and there are four screw rods 32. The surfaces of the four screw rods 32 are respectively located at the four corners of the surface of the threaded plate 33 and threaded holes are respectively opened. Through holes are respectively opened at the four corners of the top of the processing base 1. The upper surfaces of the screw rods 32 respectively penetrate the through holes respectively opened at the four corners of the top of the processing base 1. The bottom end of the screw rod 32 is rotatably connected to the bottom end inside the processing base 1. The elastic effect of the spring 41 can allow the pinion 46 to return to rotate when it is disengaged from the surface of the half gear 228, thereby realizing the swing function. In addition, the long rod 43 is rotated under the limiting support action in the through hole opened at the bottom end of the T-shaped support seat 229, thereby ensuring that a certain stability can be provided when the pinion 46 performs reciprocating swinging motion, thereby allowing a more stable swing cutting processing operation.

[0030] In actual operation, when the device is used, the workpiece 35 is cut and processed. At this time, the workpiece 35 is moved to a position under the cutting head 45 and convenient for the cutting head 45 to process. At this time, the second motor 31 is started and the screw rod 32 is driven to rotate, thereby driving the threaded plate 33 on its surface to move upward inside the processing base 1, thereby driving the mounting seat 34 and the workpiece 35 inside to move upward, and driving the workpiece 35 to move to a position under the cutting head 45 and convenient for the cutting head 45 to process, and then starting the processing operation; After that, the first motor 212 is started to operate, and then the electric pole 213 inside the supporting wall panel 211 is driven to rotate, and then the electric pole 213 drives the transmission wheel 214 to rotate and drives the transmission belt 215 to transmit under the action of the transmission wheel 214, and drives the connecting block 221 to move, and when the connecting block 221 moves, it uses the straight slider 222 to slide in the straight groove opened inside the supporting wall panel 211, thereby driving the support bar 223 to move, and drives the worm 224 and the spur gear 225 to move, so that the spur gear 225 is meshed with the surface of the rack 216. The worm 224 rotates under the action of the spring 41, and drives the worm gear 224 and the meshing worm wheel 226 to rotate, and drives the rotating rod 227 and the half gear 228 to rotate, thereby causing the pinion 46 to rotate under the support of the long rod 43 in the through hole inside the T-shaped support seat 229, and then the workpiece 35 is cut during the movement of the cutting head 45. In addition, when the half gear 228 rotates to disengage from the pinion 46, the cutting head 45 is driven to move in the opposite direction under the action of the spring 41, and then the cutting head 45 is driven to perform a swing cutting operation during mobile cutting.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A high-precision five-axis linkage machining center with a swing head, comprising a machining base (1), characterized in that: A cutting mechanism (2) is fixedly connected to the middle of the top of the processing base (1), a lifting mechanism (3) is fixedly connected to both ends of the top of the processing base (1), and a reciprocating mechanism (4) is fixedly connected to one side of the cutting mechanism (2); The cutting mechanism (2) comprises a driving component (21) and a swing component (22), wherein the swing component (22) is arranged on one side of the driving component (21); The lifting mechanism (3) comprises a second motor (31), the second motor (31) being fixedly connected to two ends of the top of the processing base (1), the bottom end of the second motor (31) being fixedly connected to a screw rod (32), the surface of the screw rod (32) being threadedly connected to a threaded plate (33), the top of the threaded plate (33) being fixedly connected to a mounting seat (34), and the top of the mounting seat (34) being provided with a processing piece (35).

2. A high-precision five-axis linkage machining center with a swing head according to claim 1, characterized in that: The driving assembly (21) comprises a supporting wall panel (211), the supporting wall panel (211) being fixedly connected to the middle of the top of the processing base (1), a first motor (212) being fixedly connected to one end of the top of the supporting wall panel (211), a pole (213) being fixedly connected to one end of the first motor (212), a transmission wheel (214) being fixedly connected to one end of the pole (213), a transmission belt (215) being transmission-connected to the surface of the transmission wheel (214), and a rack (216) being fixedly connected to the top of the supporting wall panel (211).

3. A high-precision five-axis linkage machining center with a swing head according to claim 2, characterized in that: A through hole is provided at the upper left end of the surface of the supporting wall plate (211), and a through hole is provided on the surface of the electric pole (213) penetrating through the upper left end of the surface of the supporting wall plate (211).

4. A high-precision five-axis linkage machining center with a swing head according to claim 2, characterized in that: Two transmission wheels (214) are respectively distributed at the two inner ends of the transmission belt (215); one end of the electric pole (213) is rotatably connected to one side of the supporting wall panel (211); a slot is provided on the top of the supporting wall panel (211); and the surface of the rack (216) is located inside the slot.

5. The high-precision five-axis linkage machining center with a swing head according to claim 2, characterized in that: The swing assembly (22) comprises a connecting block (221), wherein the connecting block (221) is fixedly connected to the surface of the transmission belt (215), one end of the connecting block (221) is fixedly connected to a straight slider (222), the top of the connecting block (221) is fixedly connected to a support bar (223), a worm (224) is arranged inside the support bar (223), both ends of the worm (224) are respectively fixedly connected to spur gears (225), the lower surface of the worm (224) is meshingly connected to a worm wheel (226), the middle of the worm wheel (226) is fixedly connected to a rotating rod (227), the left end of the surface of the rotating rod (227) is provided with a T-shaped support seat (229), the right end of the rotating rod (227) is fixedly connected to a half gear (228), the left end of the rotating rod (227) is rotatably connected to the right bottom end of the T-shaped support seat (229), and the lower surface of the spur gear (225) is meshingly connected to the upper surface of the rack (216).

6. A high-precision five-axis machining center with a swing head according to claim 5, characterized in that: A straight groove is provided in the middle of one side of the supporting wall plate (211), and the surface of the straight sliding block (222) is slidably connected to the inside of the straight groove.

7. A high-precision five-axis linkage machining center with a swing head according to claim 5, characterized in that: A through hole is provided inside the support bar (223), and the surface of the worm (224) passes through the through hole provided inside the support bar (223).

8. The high-precision five-axis linkage machining center with a swing head according to claim 5, characterized in that: The reciprocating mechanism (4) comprises a spring (41), wherein the spring (41) is fixedly connected to the left side of the T-shaped support seat (229), the left end of the spring (41) is fixedly connected to a supporting circular plate (42), a long rod (43) is fixedly connected to the middle of the right side of the supporting circular plate (42), a supporting cone plate (44) is fixedly connected to the middle of the surface of the long rod (43), a cutting head (45) is fixedly connected to the bottom end of the supporting cone plate (44), and a pinion (46) is fixedly connected to the right end of the long rod (43), and the upper surface of the pinion (46) is meshingly connected to the lower surface of the half gear (228).

9. A high-precision five-axis linkage machining center with a swing head according to claim 8, characterized in that: A through hole is provided at the bottom end of the T-shaped support seat (229), and the left end of the surface of the long rod (43) passes through the through hole provided at the bottom end of the T-shaped support seat (229).

10. The high-precision five-axis linkage machining center with a swing head according to claim 1, characterized in that: The threaded plate (33) has threaded holes at four corners of its surface, the screw rods (32) have four threads, the four threads (32) are located at the threaded plate (33) and have threaded holes at four corners of its surface, the processing base (1) has through holes at four corners of its top, the upper surface of the screw rods (32) penetrates through holes at four corners of its top, and the bottom end of the screw rods (32) is rotatably connected to the bottom end of the processing base (1).

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