A machining tool for a numerical control machining center
By designing a motor-driven rotating rod and transmission mechanism, the automatic clamping and release of workpieces in the CNC machining center tooling is realized, solving the problems of time-consuming, labor-intensive, and inefficient traditional tooling and improving processing efficiency.
Patent Information
- Application Number
- CN202310348447.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-04-04
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2043-04-04
AI Technical Summary
The height of the machining fixtures used in traditional CNC machining centers makes loading and unloading time-consuming and labor-intensive, and the single workstation leads to wasted processing time and reduced efficiency.
Design a machining fixture for a CNC machining center. The rotating rod is driven by a motor to rotate, which in turn causes the housing to rotate on the support ring. The workpiece is automatically clamped and released by the tilting design and transmission mechanism, supporting material change while machining.
This technology enables time-saving and labor-saving loading and unloading of workpieces, reduces material changeover time, and improves processing efficiency.
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Figure CN116460611B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of machining centers, in particular to a machining tool for a numerical control machining center. BACKGROUND
[0002] A machining center is developed from a numerical control milling machine, and the biggest difference between the machining center and the numerical control milling machine is that the machining center has the ability of automatically exchanging machining tools, different tools for different purposes are installed on the tool magazine, the machining tool on the main shaft can be changed through the automatic tool changer to realize multiple machining functions in one clamping.
[0003] The installation of the conventional machining tool for the numerical control machining center is usually at a certain height, so that the workpiece needs to be manually lifted during loading and unloading, which is very time-consuming and laborious, and because only a single machining station is usually provided, the equipment cannot be processed during loading and unloading, resulting in a lot of time wasted and thus reducing the work efficiency. SUMMARY
[0004] (I) Technical problems solved
[0005] In view of the shortcomings of the prior art, the machining tool for the numerical control machining center provided by the present application has the advantages of being able to load and unload at a lower height, greatly saving manpower, being able to process and change materials at the same time, reducing wasted time, and greatly improving processing efficiency, solving the problem that the installation of the machining tool for the numerical control machining center in the prior art is usually at a certain height, resulting in the need for manual lifting of the workpiece during loading and unloading, which is very time-consuming and laborious, and because only a single machining station is usually provided, the equipment cannot be processed during loading and unloading, resulting in a lot of time wasted and thus reducing the work efficiency.
[0006] (II) Technical solutions
[0007] In order to achieve the above object, the present application provides the following technical scheme: A machining tool for numerical control machining center, comprising a base and a rotating rod, the rotating rod is rotatably arranged on the upper surface of the base, the lower surface of the base is provided with a mounting groove, the inner side of the mounting groove is provided with a motor, the output end of the motor is fixedly connected with one end of the rotating rod, the two side walls of the rotating rod are provided with a sliding groove, the inside of the sliding groove is fixedly provided with a vertical rod, the rod wall of the vertical rod is movably sleeved with a sliding plate, the outer side of one end of the sliding plate is fixedly provided with a placing shell, the upper surface of the base is fixedly provided with a supporting ring, the upper surface of the supporting ring is arranged in an inclined manner, the lower surface of the placing shell is fixedly provided with a fixed rod, the lower end of the fixed rod is rotatably embedded with a first rolling ball, the first rolling ball is in abutment with the inclined surface of the supporting ring, the inside of the placing shell is slidably provided with a clamping plate, the side of the placing shell away from the sliding plate is rotatably provided with an internal threaded pipe, the inside of the internal threaded pipe is threadedly sleeved with a threaded rod, one end of the threaded rod extends into the inside of the placing shell and is fixedly connected with the clamping plate, one side of the placing shell is provided with a first transmission mechanism for driving the internal threaded pipe to rotate.
[0008] Preferably, the first transmission mechanism comprises a worm gear and a worm, the outer wall of the placing shell and located on both sides of the internal threaded pipe are fixedly provided with side plates, the worm is rotatably arranged between the two side plates, the worm gear is fixedly sleeved on the outer wall of the internal threaded pipe, the worm is in meshing connection with the worm gear, the upper side of the base is provided with a second transmission mechanism for driving the two worms to rotate.
[0009] Preferably, the second transmission mechanism comprises a gear and an internal tooth ring, the upper surface of the base is fixedly provided with a fixed ring, the internal tooth ring is fixedly sleeved on the inner wall of the fixed ring, the lower end of the worm is provided with a square groove, the inside of the square groove is slidably provided with a square rod, the lower end of the square rod extends to the inner side of the fixed ring, the gear is fixedly sleeved on the lower end of the square rod, the gear is in meshing connection with the internal tooth ring.
[0010] Preferably, the outer wall of the supporting ring and located on both sides of the gear are fixedly sleeved with limit rings.
[0011] Preferably, the side close to the two limit rings is rotatably embedded with a plurality of second rolling balls, the two sides of the gear are respectively in abutment with the corresponding second rolling balls.
[0012] Preferably, the motor is fixedly connected with the inner wall of the mounting groove through a support frame.
[0013] Preferably, the two sides of the sliding plate are in abutment with the inner wall of the corresponding sliding groove.
[0014] Preferably, the two sides of the clamping plate are in abutment with the inner wall of the placing shell.
[0015] Preferably, springs are movably sleeved on the walls of both vertical rods, and the two ends of the springs are fixedly connected to the upper surface of the corresponding slide plate and the inner wall of the slide groove, respectively.
[0016] (III) Beneficial Effects
[0017] Compared with the prior art, the present invention provides a machining fixture for a CNC machining center, which has the following beneficial effects:
[0018] 1. The CNC machining center uses a machining fixture. The motor drives the rotating rod to rotate, which in turn drives two placement shells to rotate on the upper surface of the support ring. Since the upper surface of the support ring is inclined and the placement shells can slide longitudinally along the rotating rod, the placement shells at the lower position of the support ring are also at a lower position, which allows for time-saving and labor-saving loading and unloading of the workpieces inside the placement shells.
[0019] 2. The machining fixture used in this CNC machining center, when the housing follows the rotating rod, will drive the internal gear ring, which is relatively fixed, to revolve. This causes the gear to rotate, which in turn drives the square rod to rotate. The square rod drives the worm gear to rotate, and the worm gear drives the worm wheel to rotate, which in turn drives the internal threaded tube to rotate. The internal threaded tube then drives the threaded rod, which is limited by the clamping plate and cannot rotate, to move. This causes the clamping plate to move, thus enabling automatic clamping and release of the workpiece. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of a machining fixture structure for a CNC machining center proposed in this invention;
[0021] Figure 2 for Figure 1 Enlarged view of part A of the structure;
[0022] Figure 3 for Figure 1 Enlarged view of Part B structure;
[0023] Figure 4 for Figure 1 A three-dimensional view of the central support ring.
[0024] In the diagram: 1. Base, 2. Rotating rod, 3. Motor, 4. Vertical rod, 5. Slide plate, 6. Housing, 7. Support ring, 8. Fixing rod, 9. First ball bearing, 10. Clamping plate, 11. Internal threaded tube, 12. Threaded rod, 13. Side plate, 14. Worm gear, 15. Worm wheel, 16. Fixing ring, 17. Internal gear ring, 18. Square rod, 19. Gear, 20. Limiting ring, 21. Second ball bearing, 22. Spring. Detailed Implementation
[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0026] Embodiment one
[0027] Please refer to Figures 1-4 A machining tool for a numerical control machining center, comprising a base 1 and a rotating rod 2, the rotating rod 2 is rotatably arranged on the upper surface of the base 1, the lower surface of the base 1 is provided with a mounting groove, the inner side of the mounting groove is provided with a motor 3, the output end of the motor 3 is fixedly connected with one end of the rotating rod 2, the motor 3 is fixedly connected with the inner wall of the mounting groove through a support frame, so that the motor 3 is more stable in connection with the mounting groove, the two side walls of the rotating rod 2 are provided with sliding grooves, the inner part of the sliding grooves is fixedly provided with vertical rods 4, the rod wall of the vertical rod 4 is movably sleeved with a sliding plate 5, the rod wall of the two vertical rods 4 is movably sleeved with a spring 22, the two ends of the spring 22 are respectively fixedly connected with the upper surface of the corresponding sliding plate 5 and the inner wall of the sliding groove, so as to conveniently reset the sliding plate 5 to drive the placement shell 6, the two sides of the sliding plate 5 are in abutment with the inner wall of the corresponding sliding groove, so that the sliding plate 5 cannot rotate, that is, it can stably slide, the outer side of the sliding plate 5 is fixedly provided with a placement shell 6, the upper surface of the base 1 is fixedly provided with a support ring 7, the upper surface of the support ring 7 is obliquely arranged, the lower surface of the placement shell 6 is fixedly provided with a fixed rod 8, the lower end of the fixed rod 8 is rollingly embedded with a first ball 9, the first ball 9 is in abutment with the inclined surface of the support ring 7, the inner part of the placement shell 6 is slidably provided with a clamping plate 10, the two sides of the clamping plate 10 are in abutment with the inner wall of the placement shell 6, so that the clamping plate 10 cannot rotate, that is, it can stably slide, the side of the placement shell 6 away from the sliding plate 5 is rotatably provided with an internal thread pipe 11, the internal thread pipe 11 is internally threadedly sleeved with a threaded rod 12, one end of the threaded rod 12 extends into the inner part of the placement shell 6 and is fixedly connected with the clamping plate 10.
[0028] Embodiment two
[0029] Please refer to Figures 1-2 The side of the placement shell 6 is provided with a first transmission mechanism for driving the internal thread pipe 11 to rotate, the first transmission mechanism comprises a worm wheel 15 and a worm 14, the outer wall of the placement shell 6 and located on both sides of the internal thread pipe 11 are fixedly provided with side plates 13, the worm 14 is rotatably arranged between the two side plates 13, the worm wheel 15 is fixedly sleeved on the outer wall of the internal thread pipe 11, and the worm 14 is in meshing connection with the worm wheel 15.
[0030] Embodiment three
[0031] Please refer to Figures 1-3The upper side of the base 1 is provided with a second transmission mechanism for driving the two worms 14 to rotate, the second transmission mechanism comprises a gear 19 and an inner tooth ring 17, the upper surface of the base 1 is fixedly provided with a fixed ring 16, the inner tooth ring 17 is fixedly sleeved on the inner wall of the fixed ring 16, the lower end of the worm 14 is provided with a square groove, the square groove is internally and slidably provided with a square rod 18, the lower end of the square rod 18 extends to the inner side of the fixed ring 16, the gear 19 is fixedly sleeved on the lower end of the square rod 18, and the gear 19 is in meshing connection with the inner tooth ring 17.
[0032] Embodiment four
[0033] Please refer to Figures 1-4 The outer wall of the support ring 7 and located on both sides of the gear 19 are fixedly sleeved with a limiting ring 20, so that the gear 19 can be stably meshed with the inner tooth ring 17, and a plurality of second balls 21 are rollingly embedded on the side close to the two limiting rings 20, the two sides of the gear 19 are respectively in abutment with the corresponding second balls 21, so as to reduce the friction between the gear 19 and the limiting ring 20, and enable the gear 19 to rotate smoothly.
[0034] In summary, the machining tool for numerical control machining center can drive the two placing shells 6 to rotate on the upper surface of the support ring 7 when the motor 3 drives the rotating rod 2 to rotate, because the upper surface of the support ring 7 is inclined, and the placing shell 6 can slide along the rotating rod 2 in the longitudinal direction, that is, the placing shell 6 at the lower position of the support ring 7 is also at the lower position, so that the workpiece in the placing shell 6 can be loaded and unloaded in a time-saving and labor-saving manner, when the placing shell 6 rotates with the rotating rod 2, the gear 19 rotates relative to the fixed inner tooth ring 17, so that the gear 19 rotates, the square rod 18 rotates, the worm 14 rotates, the worm wheel 15 rotates, the inner threaded tube 11 rotates, the threaded rod 12 moves under the limitation of the clamping plate 10, the clamping plate 10 moves, and the workpiece can be automatically clamped and limited and automatically released from the limitation, that is, the workpiece in the placing shell 6 at the high position is clamped and limited by the clamping plate 10, so that stable machining is facilitated, and the clamping plate 10 at the low position in the placing shell 6 releases the workpiece from the limitation, so that the material replacement is facilitated.
[0035] It should be noted that the term "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article or apparatus. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or apparatus that includes the element.
[0036] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.
Claims
1. A machining fixture for a CNC machining center, comprising a base (1) and a rotating rod (2), characterized in that: The rotating rod (2) is rotatably mounted on the upper surface of the base (1). The lower surface of the base (1) is provided with an installation groove. A motor (3) is provided inside the installation groove. The output end of the motor (3) is fixedly connected to one end of the rotating rod (2). Both sides of the rotating rod (2) are provided with sliding grooves. A vertical rod (4) is fixedly mounted inside the sliding groove. A sliding plate (5) is movably sleeved on the wall of the vertical rod (4). A placement shell (6) is fixedly mounted on one side of the sliding plate (5). A support ring (7) is fixedly mounted on the upper surface of the base (1). The upper surface of the support ring (7) is inclined. The lower surface of the placement shell (6) is... A fixing rod (8) is fixedly provided on the surface. A first ball (9) is rolled and embedded at the lower end of the fixing rod (8). The first ball (9) abuts against the inclined surface of the support ring (7). A clamping plate (10) is slidably provided inside the placement shell (6). An internal threaded tube (11) is rotatably provided on the side of the placement shell (6) away from the sliding plate (5). A threaded rod (12) is threaded inside the internal threaded tube (11). One end of the threaded rod (12) extends into the interior of the placement shell (6) and is fixedly connected to the clamping plate (10). A first transmission mechanism that drives the internal threaded tube (11) to rotate is provided on one side of the placement shell (6). The first transmission mechanism includes a worm wheel (15) and a worm (14). The outer wall of the housing (6) and both sides of the internal threaded tube (11) are fixedly provided with side plates (13). The worm (14) is rotatably disposed between the two side plates (13). The worm wheel (15) is fixedly sleeved on the outer wall of the internal threaded tube (11). The worm (14) is meshed with the worm wheel (15). The upper side of the base (1) is provided with a second transmission mechanism that drives the two worms (14) to rotate. The second transmission mechanism includes a gear (19) and an internal gear ring (17). A fixed ring (16) is fixedly provided on the upper surface of the base (1). The internal gear ring (17) is fixedly sleeved on the inner wall of the fixed ring (16). A square groove is provided at the lower end of the worm (14). A square rod (18) is slidably provided inside the square groove. The lower end of the square rod (18) extends to the inner side of the fixed ring (16). The gear (19) is fixedly sleeved on the lower end of the square rod (18). The gear (19) meshes with the internal gear ring (17).
2. The machining fixture for a CNC machining center according to claim 1, characterized in that: The outer wall of the support ring (7) and both sides of the gear (19) are fixedly fitted with limit rings (20).
3. The machining fixture for a CNC machining center according to claim 2, characterized in that: Multiple second balls (21) are rolled and embedded on one side of the two limiting rings (20) that are close to each other, and the two sides of the gear (19) respectively abut against the corresponding second balls (21).
4. The machining fixture for a CNC machining center according to claim 1, characterized in that: The motor (3) is fixedly connected to the inner wall of the mounting slot via a support frame.
5. A machining fixture for a CNC machining center according to claim 1, characterized in that: Both sides of the slide plate (5) abut against the inner wall of the corresponding slide groove.
6. The machining fixture for a CNC machining center according to claim 1, characterized in that: Both sides of the clamp (10) abut against the inner wall of the housing (6).
7. The machining fixture for a CNC machining center according to claim 1, characterized in that: Both vertical rods (4) have springs (22) movably sleeved on their walls. The two ends of the springs (22) are fixedly connected to the upper surface of the corresponding slide plate (5) and the inner wall of the slide groove, respectively.
Citation Information
Patent Citations
Two-spindle numerically-controlled machine tool with translation interaction worktables
CN106514303A
Adjustable plate fixing device for machine tool
CN115091234A