Rotatable machining platform for long-stroke four-axis vertical machining center
The design of the rotatable machining platform solves the problem of insufficient clamping distance in the machining of long shaft workpieces, realizes flexible workpiece adjustment and efficient machining process, adapts to diverse workpiece machining needs, and improves machining efficiency and safety.
Patent Information
- Application Number
- CN202520426934.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-12
AI Technical Summary
When machining long shaft workpieces that exceed the standard worktable size, the fixed fixture platform of the existing four-axis CNC machining center requires additional tooling to extend the clamping distance, which leads to complicated clamping procedures and increased costs.
The rotating machining platform includes a base, an adjustment platform, and two 7-type structure worktables. Through the design of the guide air supply assembly and cleaning box, combined with the motor-driven rotary shaft and the servo motor-driven threaded rod, the worktables can move synchronously or independently. It is equipped with photoelectric sensors for real-time monitoring to ensure machining flexibility and safety.
It simplifies the clamping process, reduces costs, improves processing efficiency and workpiece quality, reduces processing errors, enhances processing flexibility and safety, and adapts to diverse processing needs.
Smart Images

Figure CN223802000U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to numerical control machining platform technical field, concretely is a rotatable machining platform for long-stroke four-axis vertical machining center. BACKGROUND
[0002] The machining center is a high-efficiency automatic machine tool suitable for machining complex parts, which is composed of mechanical equipment and a numerical control system.
[0003] The prior art (publication number: CN222536942U) discloses a four-axis numerical control machining center fixed clamp platform, which comprises a base, a machining table and a control panel, the machining table is fixedly installed on the top of the base, a clamping device is arranged in the machining table, and the clamping device comprises a clamping unit, an adjusting unit and a chip removal unit.
[0004] The four-axis numerical control machining center fixed clamp platform is provided with the clamping unit, the workpiece to be machined is placed in the two fixed frames, the clamping plate is lowered to abut against the upper surface of the workpiece by rotating the threaded rod, and the workpiece is clamped until the workpiece is clamped. UTILITY MODEL CONTENTS
[0005] In view of the defects of the prior art, the utility model provides a rotatable machining platform for a long-stroke four-axis vertical machining center, which has the advantages of convenient adjustment and solves the problems in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rotatable machining platform for a long-stroke four-axis vertical machining center, comprising a base, an adjusting platform arranged above the base, and two worktables arranged above the adjusting platform, the two worktables are in 7-type structure, the two worktables are in contact with each other on one side, and a guide air supply assembly is arranged in each of the two worktables.
[0007] Both the guide air supply assemblies comprise a cleaning cylinder, each of the cleaning cylinders is fixedly embedded with a workbench adjacent thereto, one end of each of the cleaning cylinders is fixedly connected with an air inlet pipe and an air outlet pipe, a one-way valve is mounted at one end of each of the air inlet pipe and the air outlet pipe, a piston rod is slidingly inserted into the cleaning cylinder, and the other end of each of the piston rods is fixedly connected with the inner wall of the other workbench.
[0008] The upper surface edges of both the workbenches are fixedly connected with cleaning boxes, one side of each of the cleaning boxes adjacent to each other is mounted with a group of air nozzles, and the other side of each of the cleaning boxes away from each other is fixedly connected with a connecting elbow pipe, and the other end of each of the connecting elbow pipes is fixedly connected with the air outlet pipe adjacent thereto.
[0009] Further, the upper surface of the base is mounted with a motor, the output end of the motor is fixedly connected with a rotating shaft, and the top end of the rotating shaft is fixedly connected with the bottom of the adjusting platform.
[0010] Through the above scheme, through the above setting, the rotating shaft of the motor can drive the adjusting platform to realize 360° rotation positioning, improving the flexibility during processing.
[0011] Further, the upper surface of the base is fixedly connected with an annular guide rail, the bottom of the adjusting platform is fixedly connected with two guide rods, and the bottom ends of the two guide rods are slidingly connected with the annular guide rail.
[0012] Through the above scheme, through the sliding cooperation of the annular guide rail and the guide rod, it is ensured that the adjusting platform maintains high dynamic accuracy during rotation, avoiding processing errors caused by rotation deviation.
[0013] Further, the upper surface of the adjusting platform is provided with two driving grooves, a threaded rod is rotatably connected between the left and right inner side walls of each of the driving grooves, and the bottoms of the two workbenches are respectively threadedly connected with the threaded rods adjacent thereto.
[0014] Through the above scheme, through the above setting, the threaded rods are driven by the servo motor, and synchronous or independent movement of the two workbenches can be realized.
[0015] Further, two motors are mounted on one side of the workbench, and the output ends of the two motors are fixedly connected with one end of the threaded rods adjacent thereto.
[0016] Through the above scheme, through the above setting, power can be provided for the rotation of the threaded rods.
[0017] Further, one end of each of the two workbenches away from each other is mounted with a group of photoelectric sensors.
[0018] Through the above scheme, the obstacles on the moving path of the workbench are monitored in real time through the photoelectric sensor, the emergency stop protection mechanism is triggered, and collision damage to the equipment or workpiece is prevented.
[0019] Further, the upper surfaces of the two workbenches are each provided with a set of T-shaped grooves.
[0020] Through the above scheme, the special tooling fixture can be quickly replaced, and diversified processing requirements such as aluminum alloy profiles and thin-walled parts can be met.
[0021] Further, the front surface of the base is provided with a control host.
[0022] Through the above scheme, through the setting of the control host, the control and monitoring purposes of the electrical components can be achieved.
[0023] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
[0024] The rotatable machining platform for the long-stroke four-axis vertical machining center can realize dynamic adjustment of the distance between the two ends of the workbench by moving away and close to each other of the two 7-shaped structure workbenches, is particularly suitable for machining of long shaft type parts, does not need to rely on attached tooling to extend the clamping distance, simplifies the clamping process, reduces the cost, the design of the built-in guide gas supply assembly and the cleaning box can automatically absorb and release gas during the mutual movement of the workbenches, the workbench surface is cleaned through the gas nozzle, the working environment is effectively kept clean, the processing error caused by impurities is reduced, the processing efficiency and the workpiece quality are improved, the combination of the motor-driven rotating shaft and the adjusting platform enables the workpiece to realize 360° rotary positioning during the machining process, improves the flexibility of machining, the synchronous or independent movement of the two workbenches is realized through the servo motor or the motor-driven threaded rod, the flexibility and adaptability of machining are improved, and meanwhile, the setting of the photoelectric sensor can monitor obstacles on the moving path of the workbench in real time, effectively prevents collision damage to the equipment or workpiece, and enhances the safety of use. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a whole structure perspective view of the present application;
[0026] Figure 2 It is a whole structure front view of the present application;
[0027] Figure 3 It is a whole structure top view of the present application;
[0028] Figure 4 It is a guide gas supply assembly structure diagram of the present application;
[0029] Figure 5 It is a guide gas supply assembly sectional view and a cleaning box structure diagram of the present application.
[0030] In the drawings:
[0031] 1, base;
[0032] 2, adjusting platform; 201, driving groove; 202, threaded rod;
[0033] 3, workbench; 301, T-shaped groove;
[0034] 4, guiding air supply assembly; 401, cleaning cylinder; 402, air inlet pipe; 403, air outlet pipe; 404, one-way valve; 405, piston rod;
[0035] 5, cleaning box; 6, air nozzle; 7, connecting elbow;
[0036] 8, motor; 9, rotating shaft; 10, annular guide rail; 11, guide rod; 12, motor; 13, photoelectric sensor; 14, control host. DETAILED DESCRIPTION
[0037] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0038] Please refer to Figure 1 , Figure 2 and Figure 4 A rotatable machining platform for a long-stroke four-axis vertical machining center in the embodiments includes a base 1, an adjusting platform 2 arranged above the base 1, and two workbenches 3 arranged above the adjusting platform 2. The upper surfaces of the two workbenches 3 are each provided with a group of T-shaped grooves 301, which can quickly replace special tooling fixtures and adapt to diversified machining requirements of aluminum alloy profiles, thin-walled parts, and the like. The two workbenches 3 each have a 7-shaped structure, and the two workbenches 3 are in contact with each other on one side. The two workbenches 3 are each internally provided with a guiding air supply assembly 4.
[0039] Please refer to Figure 1 , Figure 2 and Figure 3The upper surface of the adjusting platform 2 is provided with two driving grooves 201, and the left and right inner side walls of the two driving grooves 201 are rotationally connected with threaded rods 202. The bottoms of the two worktables 3 are respectively threadedly connected with the threaded rods 202 close to the worktables 3. Through the above arrangement, the threaded rods 202 are driven by the servo motors 12, and the synchronous or independent movement of the two worktables 3 can be realized. One side of the worktable 3 is provided with two motors 12, and the output ends of the two motors 12 are respectively fixedly connected with one ends of the threaded rods 202 close to the motors 12. Through the above arrangement, power can be provided for the rotation of the threaded rods 202. The ends of the two worktables 3 away from each other are respectively provided with a group of photoelectric sensors 13. Through the photoelectric sensors 13, obstacles on the movement path of the worktable 3 are monitored in real time, and an emergency stop protection mechanism is triggered to prevent collision and damage to the equipment or workpieces.
[0040] Please refer to Figure 1 、 Figure 2 and Figure 3 The upper surface of the base 1 is provided with a motor 8, and the output end of the motor 8 is fixedly connected with a rotating shaft 9. The top end of the rotating shaft 9 is fixedly connected with the bottom of the adjusting platform 2. Through the above arrangement, the rotating shaft 9 of the motor 8 can drive the adjusting platform 2 to realize 360° rotation positioning, improving the flexibility during processing. The upper surface of the base 1 is fixedly connected with an annular guide rail 10, and the bottom of the adjusting platform 2 is fixedly connected with two guide rods 11. The bottom ends of the two guide rods 11 are slidably connected with the annular guide rail 10. Through the sliding cooperation of the annular guide rail 10 and the guide rods 11, it is ensured that the adjusting platform 2 maintains high dynamic accuracy during rotation, avoiding processing errors caused by rotation deviation.
[0041] Please refer to Figure 1 、 Figure 4 and Figure 5 The two gas supply assemblies 4 each include a cleaning cylinder 401. Each cleaning cylinder 401 is fixedly embedded with the worktable 3 close to the cleaning cylinder 401. One end of each of the two cleaning cylinders 401 is fixedly connected with an air inlet pipe 402 and an air outlet pipe 403. One end of each of the air inlet pipe 402 and the air outlet pipe 403 is provided with a check valve 404. The interiors of the two cleaning cylinders 401 are slidably inserted with a piston rod 405. The other end of each piston rod 405 is fixedly connected with the inner wall of the other worktable 3. Through the mutual moving away and moving close of the two worktables 3, the distance between the two ends of the worktable 3 can be adjusted, and the worktable 3 is suitable for processing long shaft type parts. The 7-shaped structure of the two worktables 3 can facilitate the installation and fixation of a tool at the ends of the two worktables 3 away from each other.
[0042] Please refer to Figure 1 、 Figure 4 and Figure 5The upper surface edges of the two worktables 3 are fixedly connected with cleaning boxes 5, one side of each of the two cleaning boxes 5 is provided with a group of air nozzles 6, and the other side of each of the two cleaning boxes 5 is fixedly connected with a connecting elbow 7, and the other ends of the two connecting elbows 7 are fixedly connected with the air outlet pipes 403 close to the connecting elbows 7, when the worktables 3 move away from each other, the piston rod 405 cooperates with the cleaning cylinder 401 to suck and store external air, when the worktables 3 move close to each other, the piston rod 405 can extrude the air in the cleaning cylinder 401 to be sprayed out through the air nozzles 6, so as to clean the surfaces of the worktables 3, and the front surface of the base 1 is provided with a control host 14, and the control host 14 can be used to control and monitor the electrical components.
[0043] The rotatable machining platform for the long-stroke four-axis vertical machining center in the embodiment can realize dynamic adjustment of the distance between the two ends of the worktable 3 through the moving away and moving close of the two worktables 3 with a 7-type structure, is particularly suitable for machining of long-axis parts, does not need to rely on an attached machining device to extend the clamping distance, simplifies the clamping process, reduces the cost, the built-in guide air supply assembly 4 and the cleaning box 5 can automatically suck and release air during the movement of the worktables 3, the worktable 3 surface is cleaned through the air nozzles 6, the work environment is effectively kept clean, the machining error caused by impurities is reduced, the machining efficiency and the workpiece quality are improved, the combination of the rotating shaft 9 driven by the motor 8 and the adjustment platform 2 enables the workpiece to be rotationally positioned during the machining process, the machining flexibility is improved, the synchronous or independent movement of the two worktables 3 is realized through the servo motor 12 or the motor 12 driving the threaded rod 202, the machining flexibility and adaptability are improved, and the setting of the photoelectric sensor 13 can monitor the obstacles on the movement path of the worktable 3 in real time, effectively prevents the collision from damaging the equipment or the workpiece, and enhances the safety of use.
[0044] The working principle of the above embodiment is as follows: the two worktables 3 with a 7-type structure realize synchronous or independent movement through the servo motor 12 driving the threaded rod 202, when long-axis parts such as automobile transmission shafts and aluminum alloy profiles are machined, the motor drives the threaded rod to rotate, the worktable slides along the driving groove 201, the interval is adjusted to adapt to the length of the workpiece, during the movement, the piston rod 405 moves in the cleaning cylinder 401, when the worktables move away, the piston rod retracts, external air is sucked in through the air inlet pipe 402 and stored, when the worktables move close, the piston rod compresses the air in the cleaning cylinder, the air is transported to the cleaning box 5 through the air outlet pipe 403 and the connecting elbow 7, and the air flow is sprayed out through the air nozzle 6, the debris on the table surface is removed, the motor 8 of the base 1 drives the rotating shaft 9, drives the adjustment platform 2 to rotate, the sliding cooperation between the annular guide rail 10 and the guide rod 11 ensures dynamic accuracy control during the rotation, the photoelectric sensor 13 monitors the movement path of the worktable in real time, if an obstacle is detected, the control host 14 triggers an emergency stop.
[0045] It has to be noted that, in the present document, the terms "first", "second", etc. merely serve to identify different entities or actions from each other in a relative way and do not necessarily require or imply any actual relationship or order between these entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without further constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0046] While embodiments of the present application have been shown and described herein, it is understood that various modifications, substitutions, changes, and variations can be made in the embodiments without departing from the spirit and scope of the present application, which is defined by the appended claims and their equivalents.
Claims
1. A rotatable machining platform for a long-stroke four-axis vertical machining center, comprising a base (1), an adjusting platform (2) arranged above the base (1), and two worktables (3) arranged above the adjusting platform (2), characterized in that: Both the workbench (3) are 7 type structure, the side of two workbench (3) close to each other contact, the inside of two workbench (3) are provided with guide gas supply assembly (4); Two guide gas supply assembly (4) all include clean cylinder (401), each clean cylinder (401) is fixed inlayed with its close workbench (3), one end of two clean cylinder (401) is respectively fixed with air inlet pipe (402) and air outlet pipe (403), one end of each air inlet pipe (402) and air outlet pipe (403) is mounted with check valve (404), the inside of two clean cylinder (401) is slidably inserted with piston rod (405), the other end of each piston rod (405) is respectively fixedly connected with the inner wall of another workbench (3); The upper surface edge of two workbench (3) is fixedly connected with cleaning box (5), one side of two cleaning box (5) close to each other is mounted with a group of air nozzle (6), the side of two cleaning box (5) away from each other is fixedly connected with connecting elbow (7), the other end of two connecting elbow (7) is respectively fixedly connected with its close air outlet pipe (403).
2. A rotatable worktable for a long-stroke four-axis vertical machining center according to claim 1, characterized in that: The upper surface of the base (1) is provided with a motor (8), and the output end of the motor (8) is fixedly connected with a rotating shaft (9), and the top end of the rotating shaft (9) is fixedly connected with the bottom of the adjusting platform (2).
3. A rotatable worktable for a long-stroke four-axis vertical machining center according to claim 1, characterized in that: The upper surface of the base (1) is fixedly connected with an annular guide rail (10), and the bottom of the adjusting platform (2) is fixedly connected with two guide rods (11), and the bottom ends of the two guide rods (11) are slidably connected with the annular guide rail (10).
4. A rotatable worktable for a long-stroke four-axis vertical machining center according to claim 1, characterized in that: The upper surface of the adjusting platform (2) is provided with two drive grooves (201), and the left and right inner side walls of the two drive grooves (201) are rotatably connected with threaded rods (202), and the bottoms of the two workbenches (3) are respectively threadedly connected with the threaded rods (202) close to them.
5. A rotatable worktable for a long-stroke four-axis vertical machining center according to claim 1, characterized in that: The side of the workbench (3) is provided with two motors (12), and the output ends of the two motors (12) are respectively fixedly connected with one end of the threaded rod (202) close to them.
6. A rotatable worktable for a long-stroke four-axis vertical machining center according to claim 1, characterized in that: The end of two workbench (3) away from each other is mounted with a group of photoelectric sensors (13).
7. A rotatable worktable for a long-stroke four-axis vertical machining center according to claim 1, characterized in that: The upper surface of two workbench (3) is provided with a group of T-shaped grooves (301).
8. A rotatable worktable for a long-stroke four-axis vertical machining center according to claim 1, characterized in that: The front of the base (1) is provided with a control host (14).
Citation Information
Patent Citations
Fixture fixing platform of four-axis numerical control machining center
CN222536942U