Quick switching tool clamp for machining center
By introducing a support plate and a motor-driven thread cylinder system into the tooling fixture in the machining center, the tooling fixture is quickly flipped and precisely fixed, solving the convenience of using screws in the prior art, and improving the fixture switching efficiency.
Patent Information
- Application Number
- CN202421510612.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-06-28
AI Technical Summary
During the use of the existing machining center, the telescopic end of the hydraulic rod can limit the fixtures in the rotation chamber, but screws are still required to firmly fix the fixtures on the shaft, which makes it inconvenient to fix them after switching the fixtures.
A quick switching tool clamp for machining center is designed. By setting a support plate on one side wall of the installation groove, the motor drives the threaded barrel to rotate and remove the threaded rod. Combined with the sliding of the limiting plate and the pulling plate, the tool clamp is quickly flipped and precisely fixed on the rotating shaft, avoiding the use of screws.
It realizes rapid switching and stable fixing of tool fixtures, improves the convenience of fixing of fixtures after switching, reduces manual operation steps, and improves work efficiency.
Smart Images

Figure CN223084230U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tooling fixtures, and particularly relates to a quick-switching tooling fixture for a machining center. Background Technique
[0002] A tooling fixture is a process device used to quickly fasten a workpiece during machining to keep the correct relative positions of the machine tool, tool, and workpiece. A tooling fixture is an indispensable component in machining. Driven by the development of machine tool technology towards high-speed, high-efficiency, precision, compound, intelligent, and environmentally friendly directions, fixture technology is developing towards high-precision, high-efficiency, modular, combined, general-purpose, and economical directions.
[0003] A Chinese patent with the publication number CN219504186U discloses a quick-switching tooling fixture, which includes side plates. There are two groups of the side plates, and a connecting plate is fixed on one side wall of the side plates, and a rotating cavity is opened on the connecting plate.
[0004] Although the above-mentioned patent can adsorb and fix the fixture through the first magnet and the second magnet during use, which is not only convenient for the staff to switch, but also improves the switching efficiency and the practicability of the device. Although the telescopic end of the hydraulic rod can limit the fixture in the rotating cavity, screws still need to be used to firmly fix the fixture on the rotating shaft, resulting in inconvenient fixing of the fixture after switching. Therefore, there is an urgent need for a new type of quick-switching tooling fixture for a machining center to solve these problems. Content of the Utility Model
[0005] (1) Technical Problems to be Solved
[0006] The technical problem to be solved by the utility model is to provide a quick-switching tooling fixture for a machining center with more convenient fixing in view of the current situation of the prior art.
[0007] (2) Technical Solutions
[0008] The utility model is realized through the following technical solutions: The utility model provides a rapid switching fixture for a machining center, which includes a base. On the top of the base, fixing plates are symmetrically arranged. On one side wall of the base at the position of the fixing plates, fixing bolts are connected. On the opposite side walls of the fixing plates, mounting grooves are symmetrically arranged. Each mounting groove is connected with a rotating shaft, and a fixture is mounted on the rotating shaft. On both sides of the rotating shaft, the fixture is symmetrically provided with fixing holes. On one side wall of the mounting groove, a support plate is fixed. On each support plate, a motor is mounted. The output end of the motor is provided with a threaded cylinder, and a threaded rod is connected inside the threaded cylinder. On the other side wall of the mounting groove, two groups of limiting plates are symmetrically mounted. On the opposite ends of the two groups of limiting plates, baffles are arranged. A connecting plate is fixed between each group of limiting plates. In the middle of the two connecting plates, a pulling plate is mounted. In the middle of the top of the base, an electric push rod is arranged, and a processing table is fixed at the top of the electric push rod.
[0009] Furthermore, the fixing plate is inserted into the base, the fixing bolt penetrates through the base and is threadedly connected with the fixing plate, and the fixing bolt is made of stainless steel.
[0010] By adopting the above technical solutions, the base can better limit the fixing plate, and the fixing bolt can make the fixing plate more firmly installed on the base.
[0011] Furthermore, the fixing plate is bolted to the mounting groove, the mounting groove is movably connected with the rotating shaft, the rotating shaft is rotatably connected with the fixture, the fixing hole is formed on the fixture, and the rotating shaft is of a cylindrical structure.
[0012] By adopting the above technical solutions, the fixing plate can more firmly fix the mounting groove, the rotating shaft can more conveniently flip and switch the top fixture in the mounting groove, and the fixing hole can more conveniently connect the fixture with the threaded rod.
[0013] Furthermore, the mounting groove is welded to the support plate, the support plate is bolted to the motor, the motor is key-connected to the threaded cylinder, the threaded cylinder is threadedly connected with the threaded rod, and the threaded rod is made of stainless steel.
[0014] By adopting the above technical solutions, the mounting groove can more firmly fix the support plate, the motor can be more firmly fixed on the support plate, the motor can more conveniently drive the threaded cylinder to rotate, and can better drive the threaded rod to contract inside the threaded cylinder.
[0015] Furthermore, the threaded rod penetrates through the mounting groove and is threadedly connected with the fixing hole, the mounting groove is slidably connected with the limiting plate, and the limiting plate is of a rectangular structure.
[0016] By adopting the above technical solution, the fixing hole can enable the threaded rod to fix the tooling fixture more firmly on the rotating shaft, making the fixing method of the tooling fixture more convenient, and the limiting plate can facilitate sliding on the installation groove more easily.
[0017] Furthermore, the limiting plate is welded to the baffle plate, and both the limiting plate and the pulling plate are welded to the connecting plate, and the connecting plate is made of stainless steel.
[0018] By adopting the above technical solution, the limiting plate can fix the baffle plate more firmly, the limiting plate can better clamp and limit the tooling fixture after flipping and switching, enabling the threaded rod to rotate and insert into the fixing hole more precisely, the baffle plate can prevent the limiting plate from sliding out of the installation groove, and the pulling plate can facilitate the staff to pull the limiting plate.
[0019] Furthermore, the base is bolted to the electric push rod, and the electric push rod is welded to the processing table, and the processing table is of a disc-shaped structure.
[0020] By adopting the above technical solution, the base can fix the electric push rod more firmly, the electric push rod can facilitate driving the processing table to move up and down, and the processing table can facilitate the staff to place the workpiece to be reinforced.
[0021] (III) Beneficial effects
[0022] The present utility model has the following beneficial effects compared with the prior art:
[0023] To solve the problem that in the prior art, during the use of a rapid tooling fixture switching device in a machining center, although the telescopic end of the hydraulic rod can limit the fixture in the rotating cavity, screws still need to be used to firmly fix the fixture on the rotating shaft, resulting in inconvenient fixing of the fixture after switching. The present utility model designs a support plate on one side wall of the installation groove. When the fixture needs to be switched, the motor drives the threaded cylinder to rotate, and the threaded rod in the fixing hole can be taken out. Pull the pulling plate to make the limiting plate slide in the installation groove to cancel the limit on the tooling fixture, and flip the tooling fixture on the rotating shaft to quickly switch. Then push the pulling plate again to make the limiting plate push into the installation groove. The limiting plate can clamp and limit the flipped tooling fixture. The motor drives the threaded cylinder to rotate, and the threaded rod can be precisely screwed into the fixing hole of the tooling fixture, enabling the flipped tooling fixture to be fixed more firmly on the rotating shaft in the installation groove, without the need for the staff to use screws to fix the tooling fixture on the rotating shaft again, improving the convenience of fixing the switched tooling fixture. Brief description of the drawings
[0024] Figure 1It is a schematic structural diagram of a quick-switching fixture for a machining center according to the present utility model;
[0025] Figure 2 It is a top-down sectional view of a quick-switching fixture for a machining center according to the present utility model;
[0026] Figure 3 It is a schematic structural diagram of a limit plate, a baffle plate, a connecting plate and a pulling plate in a quick-switching fixture for a machining center according to the present utility model.
[0027] The description of the reference numerals is as follows:
[0028] 1. Base; 2. Fixed plate; 3. Fixed bolt; 4. Installation groove; 5. Rotating shaft; 6. Fixture; 7. Fixed hole; 8. Support plate; 9. Motor; 10. Threaded cylinder; 11. Threaded rod; 12. Limit plate; 13. Baffle plate; 14. Connecting plate; 15. Pulling plate; 16. Electric push rod; 17. Machining table. Detailed implementation manners
[0029] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0030] As Figures 1 - 3As shown, a rapid switching fixture 6 for a machining center in this embodiment includes a base 1. Fixed plates 2 are symmetrically arranged at the top of the base 1. A fixing bolt 3 is connected to the fixed plate 2 on one side wall of the base 1. The base 1 can better limit the fixed plate 2, and the fixing bolt 3 can make the fixed plate 2 more firmly installed on the base 1. Installation grooves 4 are symmetrically arranged on the opposite side walls of the fixed plate 2. Each installation groove 4 is connected to a rotating shaft 5. A fixture 6 is installed on the rotating shaft 5. The fixed plate 2 can more firmly fix the installation groove 4, and the rotating shaft 5 can more conveniently flip and switch the top fixture 6 in the installation groove 4. Fixing holes 7 are arranged symmetrically on both sides of the rotating shaft 5 of the fixture 6, which can more conveniently connect the fixture 6 with the threaded rod 11. A support plate 8 is fixed on one side wall of the installation groove 4. A motor 9 is installed on each support plate 8. A threaded cylinder 10 is arranged at the output end of the motor 9. A threaded rod 11 is connected in the threaded cylinder 10. Two groups of limiting plates 12 are symmetrically installed on the other side wall of the installation groove 4. The fixing holes 7 can make the threaded rod 11 more firmly fix the fixture 6 on the rotating shaft 5, making the fixing method of the fixture 6 more convenient. The limiting plates 12 can more conveniently slide on the installation groove 4. Baffles 13 are oppositely arranged at the ends of the two groups of limiting plates 12. A connecting plate 14 is fixed between each group of limiting plates 12. A pulling plate 15 is installed in the middle of the two connecting plates 14. The limiting plates 12 can more firmly fix the baffles 13, and the limiting plates 12 can better clamp and limit the fixture 6 after flipping and switching, so that the threaded rod 11 can more accurately rotate and insert into the fixing holes 7. The baffles 13 can prevent the limiting plates 12 from sliding out of the installation groove 4. The pulling plate 15 can more conveniently allow the staff to pull the limiting plates 12. An electric push rod 16 is arranged in the middle at the top of the base 1. A processing table 17 is fixed at the top of the electric push rod 16.
[0031] As Figures 1 - 3As shown in the figure, in this embodiment, the fixing plate 2 is inserted into the base 1, and the fixing bolt 3 passes through the base 1 and is threadedly connected to the fixing plate 2. The fixing bolt 3 is made of stainless steel. The fixing plate 2 is bolted to the mounting groove 4, and the mounting groove 4 is movably connected to the rotating shaft 5. The rotating shaft 5 is rotatably connected to the tooling fixture 6. The fixing hole 7 is formed on the tooling fixture 6. The rotating shaft 5 is a cylindrical structure. The mounting groove 4 is welded to the support plate 8, and the support plate 8 is bolted to the motor 9. The motor 9 is key-connected to the threaded cylinder 10, and the threaded cylinder 10 is threadedly connected to the threaded rod 11. The threaded rod 11 is made of stainless steel. The mounting groove 4 can fix the support plate 8 more firmly, the motor 9 can be fixed more stably on the support plate 8, the motor 9 can drive the threaded cylinder 10 to rotate more conveniently, and can better drive the threaded rod 11 to contract in the threaded cylinder 10. The threaded rod 11 passes through the mounting groove 4 and is threadedly connected to the fixing hole 7. The mounting groove 4 is slidably connected to the limiting plate 12. The limiting plate 12 is a rectangular structure. The limiting plate 12 is welded to the baffle 13. Both the limiting plate 12 and the pulling plate 15 are welded to the connecting plate 14. The connecting plate 14 is made of stainless steel. The base 1 is bolted to the electric push rod 16, and the electric push rod 16 is welded to the processing table 17. The processing table 17 is a disc-shaped structure. The base 1 can fix the electric push rod 16 more stably. The electric push rod 16 can drive the processing table 17 to move up and down more conveniently. The processing table 17 can facilitate the staff to place the workpiece to be reinforced.
[0032] The specific implementation process of this embodiment is as follows: When in use, first place the workpiece to be reinforced on the processing table 17. The electric push rod 16 can more conveniently adjust the height of the processing table 17. Through the design of arranging the support plate 8 on one side wall of the mounting groove 4, when it is necessary to switch the fixture, the motor 9 drives the threaded cylinder 10 to rotate, and the threaded rod 11 in the fixing hole 7 can be taken out. Pull the pulling plate 15 to make the limiting plate 12 slide in the mounting groove 4 to cancel the limit on the tooling fixture 6, and the tooling fixture 6 can be quickly switched by flipping it on the rotating shaft 5. Then push the pulling plate 15 again to make the limiting plate 12 pushed into the mounting groove 4. The limiting plate 12 can clamp and limit the flipped tooling fixture 6. The motor 9 drives the threaded cylinder 10 to rotate, and the threaded rod 11 can be accurately screwed into the fixing hole 7 of the tooling fixture 6, so that the flipped tooling fixture 6 can be fixed more stably on the rotating shaft 5 in the mounting groove 4, without the staff using screws to fix the tooling fixture 6 on the rotating shaft 5 again, improving the convenience of fixing the switched tooling fixture 6.
[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but rather should be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A rapid-change fixture for a machining center, characterized in that: It includes a base (1), on the top of which fixing plates (2) are symmetrically arranged. On one side wall of the base (1) at the position of the fixing plates (2), fixing bolts (3) are connected. On the opposite side walls of the fixing plates (2), mounting grooves (4) are symmetrically arranged. Each mounting groove (4) is connected with a rotating shaft (5). A tooling fixture (6) is mounted on the rotating shaft (5). On both sides of the rotating shaft (5), the tooling fixture (6) is symmetrically provided with fixing holes (7). On one side wall of the mounting groove (4), a support plate (8) is fixed. A motor (9) is mounted on each support plate (8). A threaded cylinder (10) is arranged at the output end of the motor (9). A threaded rod (11) is connected in the threaded cylinder (10). On the other side wall of the mounting groove (4), two groups of limiting plates (12) are symmetrically mounted. Oppositely arranged baffles (13) are provided at the ends of the two groups of limiting plates (12). A connecting plate (14) is fixed between each group of limiting plates (12). A pulling plate (15) is centrally mounted on the two connecting plates (14). A push rod (16) is centrally arranged on the top of the base (1). A processing table (17) is fixed at the top of the push rod (16).
2. The quick-change fixture for a machining center according to claim 1, wherein: The fixing plate (2) is inserted into the base (1), and the fixing bolt (3) passes through the base (1) and is threadedly connected with the fixing plate (2). The fixing bolt (3) is made of stainless steel.
3. A rapid-change fixture for a machining center according to claim 1, characterized in that: The fixing plate (2) is bolted to the mounting groove (4). The mounting groove (4) is movably connected with the rotating shaft (5). The rotating shaft (5) is rotatably connected with the tooling fixture (6). The fixing hole (7) is formed on the tooling fixture (6). The rotating shaft (5) is of a cylindrical structure.
4. A rapid-change fixture for a machining center according to claim 1, wherein: The mounting groove (4) is welded to the support plate (8). The support plate (8) is bolted to the motor (9). The motor (9) is key-connected to the threaded cylinder (10). The threaded cylinder (10) is threadedly connected with the threaded rod (11). The threaded rod (11) is made of stainless steel.
5. A rapid-change fixture for a machining center according to claim 1, wherein: The threaded rod (11) passes through the mounting groove (4) and is threadedly connected with the fixing hole (7). The mounting groove (4) is slidably connected with the limiting plate (12). The limiting plate (12) is of a rectangular structure.
6. A rapid switching tooling fixture for a machining center according to claim 1, characterized in that: The limiting plate (12) is welded to the baffle (13). Both the limiting plate (12) and the pulling plate (15) are welded to the connecting plate (14). The connecting plate (14) is made of stainless steel.
7. A rapid-change fixture for a machining center according to claim 1, wherein: The base (1) is bolted to the push rod (16). The push rod (16) is welded to the processing table (17). The processing table (17) is of a disc-shaped structure.
Citation Information
Patent Citations
Quick switching tool clamp
CN219504186U