Five-axis numerical control abrasive belt wire drawing machine

Abstract

The utility model discloses a five-axis numerical control abrasive belt wire drawing machine which comprises a machine base, an X-axis moving mechanism, a Y-axis moving mechanism, a Z-axis moving mechanism, a pressing and polishing device, an abrasive belt operation assembly, a portal frame, an A-axis rotating device, a C-axis rotating device and a swing seat. The Z-axis moving mechanism is arranged on a stand column of the portal frame, the Y-axis moving mechanism is arranged on the Z-axis moving mechanism, the swing seat is arranged on the Y-axis moving mechanism through the A-axis rotating device, and the C-axis rotating device is arranged on the swing seat. The wire drawing machine is reasonable in structural design, the downward pressure of the abrasive belt acting on a workpiece can be increased through pressing of the pressing and grinding device during grinding, the wire drawing efficiency can be effectively improved through reciprocating movement of the X-axis moving mechanism, and the wire drawing effect is good; and under the cooperation of the A-axis rotating device and the C-axis rotating device, the workpiece can be driven to perform corresponding overturning and rotating actions, and the wire drawing machine can be suitable for wire drawing of a plane, an inclined plane or an arc surface and is wide in application range.

Description

Technical Field

[0001] The utility model relates to the technical field of wire drawing machines, and particularly relates to a five-axis numerically controlled abrasive belt wire drawing machine. Background Art

[0002] The wire drawing machine is suitable for surface wire drawing treatment of various flat plates. Such as surface wire drawing treatment of various metals, rubber plates, wood boards and other planes. Any flat plate material that requires wire patterns on the workpiece surface can be completed by this equipment. Its application range is wide, mainly used for: surface wire drawing treatment of panels in craft factories, VCD factories, speaker factories, etc. After wire drawing treatment, the surface lines of the workpiece present clear straight hair lines, the surface of the workpiece is flat and smooth, with good visual effects, and the workpiece is endowed with aesthetic feeling, making the workpiece more high-grade. Especially after wire drawing and then oxidation treatment, the added value of the product is greatly improved, making the product more competitive in the market.

[0003] The applicant previously applied for a utility model patent with the name of "triangular plane wire drawing machine" and the patent number of "202021911152.4", which discloses a triangular plane straightening wire drawing machine, including a frame, a workbench, a top wheel, a wheel arm, a driving motor, two bottom wheels, a lifting seat, a linkage lifting mechanism, a top wheel deviation adjusting mechanism, a wheel arm quick adjustment mechanism and a belt tension quick adjustment mechanism. Although it can achieve the purpose of wire drawing, it only relies on the tension of the abrasive belt to contact the workpiece, the pressing force is not large, the wire drawing efficiency is low, and it is only suitable for wire drawing of flat surfaces, not for wire drawing of inclined surfaces or arc surfaces, and the application range is narrow. Therefore, it is necessary to optimize and improve on this basis to develop a wire drawing machine with a wide application range and high wire drawing efficiency. Summary of the Utility Model

[0004] Aiming at the above deficiencies, the purpose of the utility model is to provide a five-axis numerically controlled abrasive belt wire drawing machine with reasonable structural design, wide application range and high wire drawing efficiency.

[0005] To achieve the above purpose, the technical solution provided by the utility model is as follows:

[0006] A five-axis numerically controlled abrasive belt wire drawing machine includes a machine base, an X-axis moving mechanism, a Y-axis moving mechanism, a Z-axis moving mechanism, a pressing and grinding device, an abrasive belt running component, a gantry, an A-axis rotating device, a C-axis rotating device and a swing seat. The gantry is arranged on the machine base, the abrasive belt running component is arranged on the gantry, the X-axis moving mechanism is arranged on the cross beam of the gantry, the pressing and grinding device is arranged on the X-axis moving mechanism, the Z-axis moving mechanism is arranged on the column of the gantry, the Y-axis moving mechanism is arranged on the Z-axis moving mechanism, the swing seat is arranged on the Y-axis moving mechanism through the A-axis rotating device, and the C-axis rotating device is arranged on the swing seat.

[0007] As a preferred embodiment of the present utility model, the abrasive belt running assembly includes a driving wheel, a tensioning wheel, a fixed wheel, a driving motor, a support rod, an adjusting arm and an adjusting cylinder. The fixed wheel and the driving wheel are respectively arranged at two ends of the cross beam of the gantry. The support rod is vertically arranged on the cross beam. One end of the adjusting arm is hinged to the upper end of the support rod. The tensioning wheel is arranged at the other end of the adjusting arm. The adjusting cylinder is arranged on the cross beam and can push the adjusting arm to swing up and down, so as to control the tension of the abrasive belt.

[0008] As a preferred embodiment of the present utility model, the X-axis moving mechanism includes a rodless cylinder, an X-axis base, an X-axis slide rail and an X-axis slide seat. The X-axis base is arranged at the middle position of the cross beam of the gantry. The X-axis slide seat is arranged on the X-axis base through the X-axis slide rail. The rodless cylinder is arranged on the X-axis base and can drive the X-axis slide seat to make a reciprocating motion on the X-axis slide rail, with stable movement.

[0009] As a preferred embodiment of the present utility model, the Z-axis moving mechanism includes a linkage shaft, a left Z-axis slide rail, a left Z-axis slide seat, a left Z-axis screw pair, a right Z-axis slide rail, a right Z-axis slide seat and a right Z-axis screw pair. The left Z-axis slide rail and the right Z-axis slide rail are correspondingly arranged on two columns of the gantry. The left Z-axis slide seat and the right Z-axis slide seat are correspondingly arranged on the left and right Z-axis slide rails. The linkage shaft drives the left and right Z-axis slide seats to make a lifting motion through the left and right Z-axis screw pairs. The synchronous lifting design on both left and right sides ensures the stability and accuracy of the Z-axis movement.

[0010] As a preferred embodiment of the present utility model, the number of the Y-axis moving mechanisms is two groups, which are correspondingly arranged on the left and right Z-axis slide seats. The Y-axis moving mechanism includes a Y-axis base, a Y-axis slide rail, a Y-axis slide seat, a Y-axis screw pair and a Y-axis motor. The Y-axis slide seat is arranged on the Y-axis base through the Y-axis slide rail. The Y-axis motor is arranged on the Y-axis base and can drive the Y-axis slide seat to make a reciprocating motion on the Y-axis slide rail through the Y-axis screw pair. By the synchronous operation of the two groups of Y-axis moving mechanisms, the operation stability is ensured.

[0011] As a preferred embodiment of the present utility model, the A-axis rotating device includes a fixed seat, an A-axis servo motor and an A-axis hollow rotating platform. The A-axis hollow rotating platform is arranged on the fixed seat. The A-axis servo motor drives the A-axis hollow rotating platform to rotate.

[0012] As a preferred embodiment of the present utility model, the C-axis rotation device includes a C-axis servo motor and a C-axis hollow rotary table. The C-axis hollow rotary table is arranged on the swing seat, and the C-axis servo motor drives the C-axis hollow rotary table to rotate. The A-axis rotation device drives the A-axis hollow rotary table to rotate through the A-axis servo motor, thereby realizing the rotational movement of the workpiece in the A-axis direction. The C-axis rotation device drives the C-axis hollow rotary table to rotate through the C-axis servo motor, further realizing the rotational movement of the workpiece in the C-axis direction.

[0013] As a preferred embodiment of the present utility model, the pressing and grinding device includes a downward pressing cylinder, an upper pressing plate, a lower pressing plate and a rubber pad. The upper pressing plate is arranged on the driving rod of the downward pressing cylinder, the lower pressing plate is arranged on the upper pressing plate, and the rubber pad is located between the upper pressing plate and the lower pressing plate. The rubber pad has a certain buffering and protecting effect, preventing damage to the workpiece caused by excessive pressure.

[0014] The beneficial effects of the present utility model are as follows: The structure of the present utility model is reasonably designed. During grinding, the downward pressure of the abrasive belt acting on the workpiece can be increased through the pressing of the pressing and grinding device, and through the reciprocating movement of the X-axis moving mechanism, the wire drawing efficiency can be effectively improved, and the wire drawing effect is good; and with the cooperation of the A-axis rotation device and the C-axis rotation device, the workpiece can be driven to perform corresponding flipping and rotating actions, which can be applicable to wire drawing on flat surfaces, inclined surfaces or arc surfaces, and has a wide application range.

[0015] The following further describes the present utility model in conjunction with the drawings and embodiments. Description of the Drawings

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model.

[0017] Figure 2 is an internal structural schematic diagram of the present utility model with the protective housing hidden.

[0018] Figure 3 is a structural schematic diagram of the abrasive belt running assembly in the present utility model.

[0019] Figure 4 is a structural schematic diagram of the adjusting arm and the adjusting cylinder in the present utility model.

[0020] Figure 5 is a structural schematic diagram of the X, Y-axis moving mechanism in the present utility model.

[0021] Figure 6 is a structural schematic diagram of the A, C-axis rotation devices in the present utility model. Detailed Embodiments

[0022] Embodiment, see Figures 1 to 6, A five-axis CNC abrasive belt wire drawing machine provided in this embodiment includes a machine base 1, an X-axis moving mechanism 2, a Y-axis moving mechanism 3, a Z-axis moving mechanism 4, a pressing and grinding device 5, an abrasive belt running assembly 6, a gantry 7, an A-axis rotating device 9, a C-axis rotating device 10, a swing seat 11, and a PLC controller 12.

[0023] See Figure 1 , To improve work safety, the five-axis CNC abrasive belt wire drawing machine of the present utility model further includes a protective housing 13 that can cover its whole body. The front of the protective housing 13 has two double-leaf doors 14, and the double-leaf doors 14 can be opened and closed by means of cylinder drive or manually. The PLC controller 12 is arranged outside the protective housing 13 through a mechanical cantilever 15. The PLC controller 12 is respectively connected to the X-axis moving mechanism 2, the Y-axis moving mechanism 3, the Z-axis moving mechanism 4, the pressing and grinding device 5, the abrasive belt running assembly 6, the A-axis rotating device 9, and the C-axis rotating device 10, and controls their operations.

[0024] The gantry 7 is arranged on the machine base 1, and the abrasive belt running assembly 6 is arranged on the gantry 7. Specifically, see Figure 3 and Figure 4 , The abrasive belt running assembly 6 includes a driving wheel 61, a tensioning wheel 62, a fixed wheel 63, a driving motor 64, a support rod 65, an adjusting arm 66, and an adjusting cylinder 67. The fixed wheel 63 and the driving wheel 61 are respectively arranged at both ends of the cross beam of the gantry 7. The support rod 65 is vertically arranged on the cross beam. One end of the adjusting arm 66 is hinged to the upper end of the support rod 65, the tensioning wheel 62 is arranged at the other end of the adjusting arm 66, and the adjusting cylinder 67 is arranged on the cross beam and can push the adjusting arm 66 to swing up and down. The abrasive belt passes around the driving wheel 61, the tensioning wheel 62, and the fixed wheel 63. The driving motor 64 drives the driving wheel 61 to rotate, driving the abrasive belt to run. The tensioning wheel 62 is used to adjust the tension of the abrasive belt. The adjusting cylinder 67 controls the up and down swing of the tensioning wheel 62 through the adjusting arm 66, and can control the tension of the abrasive belt.

[0025] See Figure 4 , The X-axis moving mechanism 2 is arranged on the cross beam of the gantry 7. Specifically, the X-axis moving mechanism 2 includes a rodless cylinder 21, an X-axis base 22, an X-axis slide rail 23, and an X-axis slide seat 24. The X-axis base 22 is arranged at the middle position of the cross beam of the gantry 7. The X-axis slide seat 24 is arranged on the X-axis base 22 through the X-axis slide rail 23. The rodless cylinder 21 is arranged on the X-axis base 22 and can drive the X-axis slide seat 24 to make reciprocating motion on the X-axis slide rail 23. By driving the X-axis slide seat 24 to make reciprocating motion on the X-axis slide rail 23 through the rodless cylinder 21, the reciprocating movement of the pressing and grinding device 5 in the X-axis direction is realized, improving the wire drawing effect.

[0026] The pressing and grinding device 5 is arranged on the X-axis moving mechanism 2. Specifically, refer to Figure 4 , the pressing and grinding device 5 includes a downward pressing cylinder 51, an upper pressing plate 52, a lower pressing plate 53 and a rubber pad 54. The upper pressing plate 52 is arranged on the driving rod of the downward pressing cylinder 51. The lower pressing plate 53 is arranged on the upper pressing plate 52. The rubber pad 54 is located between the upper pressing plate 52 and the lower pressing plate 53. The rubber pad 54 has a certain buffering and protecting effect to prevent damage to the workpiece caused by excessive pressure.

[0027] Refer to Figure 5 , the Z-axis moving mechanism 4 is arranged on the column of the gantry 7. Specifically, the Z-axis moving mechanism 4 includes a linkage shaft 41, a left Z-axis slide rail 42, a left Z-axis slide block 43, a left Z-axis screw pair 44, a right Z-axis slide rail, a right Z-axis slide block and a right Z-axis screw pair. The left Z-axis slide rail 42 and the right Z-axis slide rail are respectively arranged on the two columns of the gantry 7. The left Z-axis slide block 43 and the right Z-axis slide block are respectively arranged on the left and right Z-axis slide rails. The linkage shaft 41 drives the left and right Z-axis slide blocks to move up and down through the left Z-axis screw pair 44 and the right Z-axis screw pair. The synchronous lifting design on both sides ensures the smoothness and accuracy of the Z-axis movement. A handwheel 45 is arranged at one end of the linkage shaft 41. The other end of the linkage shaft 41 is connected to the Z-axis motor 46 through a belt transmission assembly. The lifting movement can be controlled manually or electrically, and the operation is simple and convenient.

[0028] Refer to Figure 5 , the Y-axis moving mechanism 3 is arranged on the Z-axis moving mechanism 4. Specifically, the number of the Y-axis moving mechanisms 3 is two groups, which are correspondingly arranged on the left and right Z-axis slide blocks. The Y-axis moving mechanism 3 includes a Y-axis base 31, a Y-axis slide rail 32, a Y-axis slide block 33, a Y-axis screw pair 34 and a Y-axis motor 35. The Y-axis slide block 33 is arranged on the Y-axis base 31 through the Y-axis slide rail 32. The Y-axis motor 35 is arranged on the Y-axis base 31 and can drive the Y-axis slide block 33 to make a reciprocating movement on the Y-axis slide rail 32 through the Y-axis screw pair 34. By driving the Y-axis slide block 33 to make a reciprocating movement on the Y-axis slide rail 32 by the Y-axis motor 35, the precise positioning of the workpiece in the Y-axis direction can be realized. By the synchronous operation of the two groups of the Y-axis moving mechanisms 3, the smooth operation is ensured.

[0029] Refer to Figure 5 and Figure 6, the swing base 11 is arranged on the Y-axis moving mechanism 3 through the A-axis rotating device 9. The A-axis rotating device 9 includes a fixed base 91, an A-axis servo motor 92, and an A-axis hollow rotating platform 93. The A-axis hollow rotating platform 93 is arranged on the fixed base 91, and the A-axis servo motor 92 drives the A-axis hollow rotating platform 93 to rotate. The C-axis rotating device 10 is arranged on the swing base 11. The C-axis rotating device 10 includes a C-axis servo motor 101 and a C-axis hollow rotating platform 102. The C-axis hollow rotating platform 102 is arranged on the swing base 11, and the C-axis servo motor 101 drives the C-axis hollow rotating platform 102 to rotate. The A-axis rotating device 9 drives the A-axis hollow rotating platform 93 to rotate through the A-axis servo motor 92, so as to realize the rotational movement of the workpiece in the A-axis direction. The C-axis rotating device 10 drives the C-axis hollow rotating platform 102 to rotate through the C-axis servo motor 101, further realizing the rotational movement of the workpiece in the C-axis direction.

[0030] During operation, the workpiece 8 is installed on the C-axis hollow rotating platform 102 through a fixture. The driving motor 64 drives the abrasive belt to run by rotating the driving wheel 61. At this time, when the pressing and grinding device 5 is pressed downward onto the abrasive belt, the downward pressure of the abrasive belt acting on the workpiece can be increased, and through the reciprocating movement of the X-axis moving mechanism 2, the wire drawing efficiency can be effectively improved, and the wire drawing effect is good. Moreover, if wire drawing is performed on the inclined surface of the workpiece, the A-axis servo motor 92 drives the A-axis hollow rotating platform 93 to rotate, driving the swing base 11 to swing by a corresponding angle, realizing the rotation of the workpiece in the A-axis direction so that the inclined surface on the workpiece is parallel to the abrasive belt grinding surface, and then positioning and fixing; if wire drawing is performed on the arc surface of the workpiece, specifically, it is realized through the action cooperation of the A-axis rotating device 9 and / or the C-axis rotating device 10 according to the shape of the arc surface.

[0031] According to the disclosure and teachings of the above specification, those skilled in the art to which the present invention pertains can also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention. Any other wire drawing machine using the same or similar structure is within the protection scope of the present invention.

Claims

1. A five-axis numerically controlled abrasive belt wire drawing machine, which comprises a machine base, an X-axis moving mechanism, a Y-axis moving mechanism, a Z-axis moving mechanism, a pressing and grinding device and an abrasive belt running assembly, and is characterized in that, It also includes a gantry, an A-axis rotating device, a C-axis rotating device and a pendulum seat. The gantry is arranged on the machine base, the sanding belt running assembly is arranged on the gantry, the X-axis moving mechanism is arranged on the crossbeam of the gantry, the pressing and grinding device is arranged on the X-axis moving mechanism, the Z-axis moving mechanism is arranged on the column of the gantry, the Y-axis moving mechanism is arranged on the Z-axis moving mechanism, the pendulum seat is arranged on the Y-axis moving mechanism through the A-axis rotating device, and the C-axis rotating device is arranged on the pendulum seat.

2. The five-axis CNC abrasive belt drawing machine according to claim 1, characterized in that: The sanding belt running assembly includes a driving wheel, a tension wheel, a fixed wheel, a driving motor, a support rod, an adjusting arm and an adjusting cylinder. The fixed wheel and the driving wheel are respectively arranged at both ends of the crossbeam of the gantry. The support rod is vertically arranged on the crossbeam. One end of the adjusting arm is hinged to the upper end of the support rod. The tension wheel is arranged at the other end of the adjusting arm. The adjusting cylinder is arranged on the crossbeam and can push the adjusting arm to swing up and down.

3. The five-axis numerically controlled abrasive belt wire drawing machine according to claim 1, characterized in that: The X-axis moving mechanism includes a rodless cylinder, an X-axis base, an X-axis slide rail and an X-axis slide. The X-axis base is arranged in the middle of the crossbeam of the gantry. The X-axis slide is arranged on the X-axis base through the X-axis slide rail. The rodless cylinder is arranged on the X-axis base and can drive the X-axis slide to reciprocate on the X-axis slide rail.

4. The five-axis numerically controlled abrasive belt wire drawing machine according to claim 1, wherein: The Z-axis moving mechanism includes a linkage shaft, a left Z-axis slide, a left Z-axis slide, a left Z-axis screw pair, a right Z-axis slide, a right Z-axis slide and a right Z-axis screw pair. The left Z-axis slide and the right Z-axis slide are respectively arranged on the two columns of the gantry, and the left Z-axis slide and the right Z-axis slide are respectively arranged on the left and right Z-axis slides. The linkage shaft drives the left and right Z-axis slides to perform lifting movements through the left and right Z-axis screw pairs.

5. The five-axis numerically controlled abrasive belt wire drawing machine according to claim 4, characterized in that: There are two groups of Y-axis moving mechanisms, which are correspondingly arranged on the left and right Z-axis slides. The Y-axis moving mechanism includes a Y-axis base, a Y-axis slide rail, a Y-axis slide, a Y-axis screw pair and a Y-axis motor. The Y-axis slide is arranged on the Y-axis base through the Y-axis slide rail. The Y-axis motor is arranged on the Y-axis base and can drive the Y-axis slide to reciprocate on the Y-axis slide rail through the Y-axis screw pair.

6. The five-axis numerically controlled abrasive belt wire drawing machine according to claim 1, characterized in that: The A-axis rotating device includes a fixed seat, an A-axis servo motor and an A-axis hollow rotating platform. The A-axis hollow rotating platform is arranged on the fixed seat, and the A-axis servo motor drives the A-axis hollow rotating platform to rotate.

7. The five-axis numerically controlled abrasive belt wire drawing machine according to claim 1, wherein: The C-axis rotating device includes a C-axis servo motor and a C-axis hollow rotating platform. The C-axis hollow rotating platform is arranged on the pendulum seat. The C-axis servo motor drives the C-axis hollow rotating platform to rotate.

8. The five-axis CNC abrasive belt drawing machine according to claim 1, characterized in that: The pressing and polishing device includes a downward pressing cylinder, an upper pressing plate, a lower pressing plate and a rubber pad. The upper pressing plate is arranged on the driving rod of the downward pressing cylinder, the lower pressing plate is arranged on the upper pressing plate, and the rubber pad is located between the upper pressing plate and the lower pressing plate.

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