High-speed engraving and milling machine tool for giant tire mold
By designing a high-speed engraving and milling machine tool for giant tire molds including multi-axis mechanism and double balanced sliding structure, the problem that existing machine tools are difficult to engrave and mill giant tire molds at high speed is solved, and high-precision and stable machining effects are achieved.
Patent Information
- Application Number
- CN202421456445.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-25
AI Technical Summary
Existing engraving and milling machines are difficult to meet the high-speed engraving and milling needs of giant tire molds, and conventional machine tools cannot effectively handle the complex fonts, patterns and exhaust lines of the sidewalls of giant tire molds.
A giant tire mold high-speed engraving and milling machine tool including X1 axis mechanism, X2 axis mechanism, Z axis mechanism, B axis mechanism and C axis rotary table was designed, and a two-stage motion method and a double balanced sliding structure were adopted to ensure machining stability and flexibility.
High-speed engraving and milling of giant tire molds is realized, which improves processing accuracy and stability, and meets the processing needs of complex shapes of giant tire molds.
Smart Images
Figure CN222680354U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of numerical control machine tool processing, in particular to a high-speed engraving and milling machine tool for giant tire molds. Background Art
[0002] Tires with a diameter of 2.6 meters, a width of 0.8 meters or more, or specifications of 27.00R49 or more, can be called giant tires. Giant tires are used in engineering machinery vehicles, such as coal mines, iron mines, copper mines and other engineering trucks, and are the main consumables of mining and transportation tools.
[0003] Giant tires are vulcanized from giant tire molds, and the manufacturing and processing of giant tire molds requires large machine tool processing equipment. The tire mold sidewall is a disc with fonts, patterns and designs of different sizes and shapes, as well as many crisscross exhaust lines. These complex and varied features and parameters are all completed on the engraving and milling machine processing center.
[0004] Most of the engraving and milling machines on the market are only suitable for processing the side panels of conventional tire molds, and it is difficult to meet the high-speed engraving and milling requirements of giant tires; and large gantry milling machines are not special equipment, and it is also difficult to meet the high-speed engraving and milling requirements of giant tires. Therefore, it is necessary to design a processing machine tool for high-speed engraving and milling of giant tire molds. Summary of the invention
[0005] The utility model aims to provide a processing machine tool for high-speed engraving and milling of giant tire molds in view of the problem that conventional engraving and milling machines are only suitable for engraving and milling of conventional tire molds.
[0006] The purpose of the utility model is achieved in this way: a giant tire mold high-speed engraving and milling machine tool, including an X1-axis mechanism, an X2-axis mechanism, a Z-axis mechanism, a B-axis mechanism and a C-axis turntable;
[0007] The X1-axis mechanism includes an X1-axis slide, an X1-axis guide rail, an X1-axis screw transmission unit and a slide arm. The X1-axis slide is driven by the X1-axis screw transmission unit arranged on the machine tool base. The X1-axis slide is mounted on the X1-axis guide rail arranged on the machine tool base and slides left and right. The slide arm is fixed on the X1-axis slide and moves left and right along the X1-axis direction to a suitable processing position.
[0008] The X2-axis mechanism includes an X2-axis slide, an X2-axis guide rail, and an X2-axis screw transmission unit. The X2-axis slide is driven by the X2-axis screw transmission unit disposed on the slide arm to slide left and right along the X2-axis direction to complete the left and right stroke of the X2-axis engraving and milling process;
[0009] The Z-axis mechanism includes a Z-axis slide, a Z-axis screw transmission unit, and a pair of Z-axis guide rails parallel and vertically installed on the X2-axis slide. A pair of balancing cylinders are installed on the X2-axis slide. The telescopic rods of the balancing cylinders are connected to the Z-axis slide. Through the pair of Z-axis guide rails and the pair of balancing cylinders, the Z-axis slide slides along the Z-axis guide rails to form a double-balanced sliding structure of the Z-axis slide. The Z-axis slide is driven by the Z-axis screw transmission unit to slide up and down along the Z-axis direction to complete the up and down stroke of engraving and milling processing in the Z-axis direction.
[0010] The B-axis mechanism is arranged at the lower end of the Z-axis slide. The B-axis mechanism includes an integrated motor, a spindle seat and an electric spindle. The integrated motor is fixed to the rear side of the lower part of the Z-axis slide. The integrated motor drives the spindle seat and the electric spindle to swing left and right along the B-axis direction.
[0011] The C-axis rotary table is installed on the base. The C-axis rotary table drives the workpiece to rotate around the C-axis through the worktable. A servo motor driving gear is arranged inside the worktable. The gear transmission worktable drives the workpiece to rotate around the C-axis.
[0012] The utility model, an X1-axis screw transmission unit comprises a motor, a synchronous pulley group, a screw and a screw nut, the motor is fixed on the machine tool base through a motor seat, the motor drives the screw to rotate through the synchronous pulley group, the head and tail ends of the screw are respectively supported by a screw support unit and a screw tail bearing, the screw support unit is fixed on the motor seat, the screw tail bearing is installed on the machine tool base, the screw nut is fixed on the X1-axis slide, the motor drives the screw to rotate through the synchronous pulley group, and drives the screw nut and the X1-axis slide to reciprocate along the X1-axis direction; an X1-axis mechanism and an X2-axis mechanism are arranged, and a two-stage motion mode is adopted, thereby increasing the processing range of the machine tool.
[0013] The positive effects of the utility model are as follows: an X1-axis mechanism and an X2-axis mechanism are arranged, and the X-axis adopts a two-stage horizontal motion mode. According to the size of the workpiece to be processed, the X1-axis mechanism is first operated to move the slide arm to a suitable position, and then the four-axis linkage of the X2-axis mechanism, the Z-axis mechanism, the B-axis mechanism and the C-axis turntable is controlled according to the processing procedure. In this way, high-speed engraving and milling processing can be performed on giant tire molds; the Z-axis mechanism adopts a pair of Z-axis guide rails and a pair of balancing cylinders to form a double-balanced sliding structure, which effectively reduces the load of the Z-axis slide and the B-axis swing head, so that the lifting and lowering movement of the Z-axis slide and the B-axis swing head along the Z-axis direction is more flexible and stable, thereby ensuring the stability of high-speed engraving and milling processing. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;
[0015] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of the embodiment viewed from another direction.
[0016] In the figure, 1. X1-axis slide; 2. X1-axis guide rail; 3. X1-axis screw transmission unit; 4. Slide arm; 5. Machine tool base; 6. X2-axis slide; 7. X2-axis guide rail; 8. X2-axis screw transmission unit; 9. Z-axis slide; 10. Z-axis screw transmission unit; 11. Z-axis guide rail; 12. Synchronous pulley set; 13. Balance cylinder; 14. Spindle seat; 15. Electric spindle; 16. Base; 17. Workbench; 18. Motor; 19. Motor seat. Implementation
[0017] Reference Figure 1 to Figure 2 The present embodiment is a giant tire mold high-speed engraving and milling machine tool, including: an X1-axis mechanism, an X2-axis mechanism, a Z-axis mechanism, a B-axis mechanism and a C-axis turntable, the X1-axis mechanism includes an X1-axis slide 1, an X1-axis guide rail 2, an X1-axis screw transmission unit 3 and a slide arm 4, the X1-axis slide is driven by the X1-axis screw transmission unit arranged on the machine tool base 5, the X1-axis slide is mounted on the X1-axis guide rail arranged on the machine tool base and slides left and right, the slide arm is fixed on the X1-axis slide and moves left and right along the X1-axis direction to a suitable processing position;
[0018] The X1-axis screw transmission unit includes a motor 18, a synchronous pulley group 12, a screw and a screw nut. The motor is fixed on the machine tool base through a motor seat 19. The motor drives the screw to rotate through the synchronous pulley group. The head and tail ends of the screw are supported by a screw support unit and a screw tail bearing respectively. The screw support unit is fixed on the motor seat, and the screw tail bearing is installed on the machine tool base. The screw nut is fixed on the X1-axis slide. The motor drives the screw to rotate through the synchronous pulley group to drive the screw nut and the X1-axis slide to reciprocate along the X1-axis direction. An X1-axis mechanism and an X2-axis mechanism are set, and a two-stage motion mode is adopted to increase the processing range of the machine tool.
[0019] The X2-axis mechanism includes an X2-axis slide 6, an X2-axis guide rail 7 and an X2-axis screw transmission unit 8. The X2-axis slide is driven by the X2-axis screw transmission unit arranged on the slide arm to slide left and right along the X2-axis direction to complete the left and right stroke of the X2-axis engraving and milling processing;
[0020] The Z-axis mechanism includes a Z-axis slide 9, a Z-axis screw transmission unit 10, and a pair of Z-axis guide rails 11 installed parallel and vertically on the X2-axis slide. A pair of balancing cylinders 13 are installed on the X2-axis slide. The telescopic rods of the balancing cylinders are connected to the Z-axis slide. Through the pair of Z-axis guide rails and the pair of balancing cylinders, the Z-axis slide slides along the Z-axis guide rails to form a double-balanced sliding structure of the Z-axis slide. The Z-axis slide is driven by the Z-axis screw transmission unit to slide up and down along the Z-axis direction to complete the up and down stroke of the Z-axis engraving and milling processing.
[0021] The B-axis mechanism is arranged at the lower end of the Z-axis slide. The B-axis mechanism includes an integrated motor, a spindle seat 14 and an electric spindle 15. The integrated motor is fixed to the rear side of the lower part of the Z-axis slide. The integrated motor drives the spindle seat and the electric spindle to swing left and right along the B-axis direction.
[0022] The C-axis rotary table is installed on the base 16. The C-axis rotary table drives the workpiece to rotate around the C-axis through the worktable 17. A servo motor driving gear is arranged inside the worktable. The gear transmission worktable drives the workpiece to rotate around the C-axis.
[0023] The utility model is a large-scale CNC machine tool with both engraving and milling processing capabilities. It can process large-diameter and heavy-weight metal or non-metal disc parts. Its main features are the use of small tools, high-power and high-speed spindle motors, strong cutting ability and high processing accuracy.
Claims
1. A high-speed engraving and milling machine for giant tire molds, characterized by: Including X1 axis mechanism, X2 axis mechanism, Z axis mechanism, B axis mechanism and C axis rotary table; The X1-axis mechanism comprises an X1-axis slide (1), an X1-axis guide rail (2), an X1-axis screw transmission unit (3) and a slide arm (4); the X1-axis slide is driven by the X1-axis screw transmission unit arranged on a machine tool base (5); the X1-axis slide is mounted on an X1-axis guide rail arranged on the machine tool base and slides left and right; the slide arm is fixed on the X1-axis slide and moves along the X1-axis direction to a suitable processing position first; The X2-axis mechanism comprises an X2-axis slide (6), an X2-axis guide rail (7) and an X2-axis screw transmission unit (8), wherein the X2-axis slide is driven by the X2-axis screw transmission unit arranged on the slide arm to slide left and right along the X2-axis direction; The Z-axis mechanism comprises a Z-axis slide (9), a Z-axis screw transmission unit (10) and a pair of Z-axis guide rails (11) parallel and vertically mounted on the X2-axis slide; a pair of balancing cylinders (13) are mounted on the X2-axis slide; telescopic rods of the balancing cylinders are connected to the Z-axis slide; the Z-axis slide slides along the Z-axis guide rails through the pair of Z-axis guide rails and the pair of balancing cylinders to form a double-balanced sliding structure of the Z-axis slide; the Z-axis slide is driven by the Z-axis screw transmission unit to slide up and down along the Z-axis direction; The B-axis mechanism is arranged at the lower end of the Z-axis slide, and comprises an integrated motor, a spindle seat (14) and an electric spindle (15). The integrated motor is fixed to the rear side of the lower part of the Z-axis slide, and the integrated motor drives the spindle seat and the electric spindle to swing left and right along the B-axis direction. The C-axis turntable is mounted on a base (16), and the C-axis turntable drives the workpiece to rotate around the C-axis via a worktable (17).
2. The giant tire mold high-speed engraving and milling machine tool according to claim 1 is characterized by: The X1-axis screw transmission unit comprises a motor (18), a synchronous pulley group (12), a screw and a screw nut. The motor is fixed to the machine tool base via a motor seat (19). The motor drives the screw to rotate via the synchronous pulley group. The head and tail ends of the screw are respectively supported by a screw support unit and a screw tail bearing. The screw support unit is fixed to the motor seat. The screw tail bearing is installed on the machine tool base. The screw nut is fixed to the X1-axis slide. The motor drives the screw to rotate via the synchronous pulley group, driving the screw nut and the X1-axis slide to reciprocate along the X1-axis direction.