Multi-fixed-station machining table and double-tool-magazine horizontal machining center

Abstract

The utility model relates to the technical field of machining equipment, in particular to a multi-fixed-station machining table and double-tool-magazine horizontal machining center which comprises a base, a regular polygon stand column arranged on the top face of the base and a rotation driving mechanism used for driving the base to rotate. Each face of the regular polygon stand column is provided with an electric permanent magnetic chuck and a reference positioning structure, the reference positioning structures are arranged on the peripheral sides of the electric permanent magnetic chucks, the reference positioning structures are used for positioning workpieces, and the electric permanent magnetic chucks are used for magnetically attracting the workpieces. The multi-fixed-station machining table is simple in structure, the number of fixed workpieces is increased, the workpiece machining efficiency and quality are improved, and the requirement for machining the workpieces at different positions and angles can be met. The double-tool-magazine horizontal machining center is good in workpiece machining stability, the multiple workpieces are fixed through the two multi-fixing-station machining tables, the number of the fixed workpieces is greatly increased, and the machining efficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of machining equipment, in particular to a multi-fixed-station processing table and a horizontal machining center with two tool magazines. Background Art

[0002] A machining center is a highly automated machining equipment, and its characteristics are as follows: it has a tool magazine and can complete automatic tool change. After a workpiece is clamped once, according to a pre-compiled numerical control machining program, the machining center can automatically select a machining method, replace tools, automatically perform tool setting, automatically change the spindle speed, feed rate, etc., and can continuously complete multiple processes, reducing the auxiliary process time such as workpiece clamping, measurement, and machine tool adjustment. When machining a workpiece on a machining center, a processing table or a fixture is required to fix the workpiece. In the existing patents, the Chinese patent document with the application number 201120564914.2 discloses an electro-permanent magnetic fixing device for workpieces of a numerical control machine tool. A magnetic chuck is arranged on the workbench as a workpiece fixing device, and a positioning plate is arranged as a workpiece positioning device. To improve safety, the magnetic chuck adopts an electro-permanent magnetic chuck. After the workpiece is clamped, it will not move due to a sudden power failure. During the machining process, no power supply is required. After machining is completed, by instantaneously energizing, the workpiece can be unloaded. Since no power supply is required during the machining process, it will not heat up even after long-term use, and has little influence on the accuracy of the machined parts. Even if there is a sudden power failure during the machining process, the electromagnet will not lose magnetism and the workpiece will not move, avoiding unnecessary losses. The positioning plate can be connected to the magnetic chuck or to the workbench surface. The number of workpieces magnetically fixed by this patent document is small, and it is impossible to adjust the angle and position of the fixed workpieces. Therefore, the defects are very obvious, and a solution is urgently needed. Summary of the Utility Model

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a multi-fixed-station processing table and a horizontal machining center with two tool magazines.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A multi-fixed-station processing table includes a base, a regular polygon column arranged on the top surface of the base, and a rotation driving mechanism for driving the base to rotate. Each surface of the regular polygon column is provided with an electro-permanent magnetic chuck and a reference positioning structure. The reference positioning structure is arranged on the periphery of the electro-permanent magnetic chuck and is used to position the workpiece, and the electro-permanent magnetic chuck is used to magnetically attract the workpiece; the reference positioning structure includes a plurality of support rods installed on the regular polygon column, and the plurality of support rods are distributed in an L shape; or the reference positioning structure includes an L-shaped positioning plate installed on the regular polygon column; or the reference positioning structure includes a vertical plate and a horizontal plate respectively installed on the regular polygon column, and the vertical plate and the horizontal plate are perpendicularly arranged.

[0006] Furthermore, the base includes a mounting plate and a bottom plate. The bottom plate is installed at the rotating end of the rotation driving mechanism. The mounting plate is fixed to the bottom plate via a locking member. The regular polygon column is installed on the top surface of the mounting plate.

[0007] Furthermore, the bottom plate is provided with a positioning sleeve, and the mounting plate is provided with a positioning post which is inserted into the positioning sleeve.

[0008] Furthermore, a lifting ring is provided at the top of the regular polygon column.

[0009] Furthermore, the regular polygon column is a square column.

[0010] The present utility model further provides a horizontal machining center with two tool magazines, which includes a machine table, a sliding seat slidably connected to the machine table, a moving driving mechanism installed on the machine table and used to drive the sliding seat to reciprocate, a machining spindle device movably arranged on the sliding seat, two tool magazines respectively arranged on both sides of the machining spindle device, a tool changing mechanism arranged between the machining spindle device and the tool magazines, a double hydraulic gantry installed on the machine table, and two of the above-mentioned multi-fixed-station machining tables arranged on the machine table and located at the front side of the machining spindle device. The double hydraulic gantry is used to press the two multi-fixed-station machining tables against the machine table.

[0011] Furthermore, the double hydraulic gantry includes a support frame installed on the machine table, two L-shaped support arms connected to the support frame, two hydraulic cylinders respectively installed on the two L-shaped support arms, and two pressing heads respectively installed on the piston rods of the two hydraulic cylinders. The two pressing heads are used to press the two multi-fixed-station machining tables respectively.

[0012] Furthermore, the pressing head is rotatably connected to the piston rod of the hydraulic cylinder via a rotating joint.

[0013] Furthermore, the two L-shaped support arms are rotatably connected to the support frame. The machine table is provided with two groove blocks. The bottom ends of the two L-shaped support arms are both provided with clamping blocks. The two clamping blocks are respectively clamped with the two groove blocks. The double hydraulic gantry further includes two opening and closing drivers which are used to drive the two L-shaped support arms to rotate closer to or away from each other.

[0014] The beneficial effects of the present utility model: The structure of the present multi-fixed-station machining table is simple, which increases the number of fixed workpieces, improves the efficiency and quality of machining workpieces, and can meet the machining of workpieces at different positions and angles. The horizontal machining center with two tool magazines of the present utility model has good machining stability for workpieces. The two multi-fixed-station machining tables fix multiple workpieces, greatly increasing the number of fixed workpieces and improving the machining efficiency and quality. Description of the Drawings

[0015] Figure 1 It is a schematic three-dimensional structure diagram of the multi-fixed-station machining table of the present utility model.

[0016] Figure 2 This is a schematic three-dimensional structure diagram of a horizontal machining center with a double tool magazine according to the present utility model.

[0017] Figure 3 This is a schematic three-dimensional structure diagram of a double hydraulic gantry according to the present utility model.

[0018] Figure 4 This is a schematic three-dimensional structure diagram of another perspective of the double hydraulic gantry according to the present utility model.

[0019] Description of reference numerals:

[0020] 1. Base; 2. Regular polygon column; 3. Rotation drive mechanism; 4. Electro-permanent magnetic chuck; 5. Reference positioning structure; 6. Support rod; 7. Mounting plate; 8. Bottom plate; 9. Positioning sleeve; 10. Positioning column; 11. Hoop; 12. Machine table; 13. Sliding seat; 14. Moving drive mechanism; 15. Machining spindle device; 16. Tool magazine; 17. Tool change mechanism; 18. Double hydraulic gantry; 19. Support frame; 20. L-shaped support arm; 21. Hydraulic cylinder; 22. Press head; 23. Rotating joint; 24. Groove block; 25. Clamping block; 26. Opening and closing driver; 27. Workpiece. Detailed implementation manners

[0021] For the convenience of understanding by those skilled in the art, the present utility model will be further described below in conjunction with embodiments and the accompanying drawings. The content mentioned in the implementation manners does not limit the present utility model.

[0022] As Figures 1 to 4 shown, a multi-fixed-station processing table provided by the present utility model includes a base 1, a regular polygon column 2 disposed on the top surface of the base 1, and a rotation drive mechanism 3 for driving the base 1 to rotate. Each surface of the regular polygon column 2 is provided with an electro-permanent magnetic chuck 4 and a reference positioning structure 5. The reference positioning structure 5 is disposed on the periphery of the electro-permanent magnetic chuck 4. The reference positioning structure 5 is used to position the workpiece 27, and the electro-permanent magnetic chuck 4 is used to magnetically attract the workpiece 27.

[0023] In practical applications, the electro-permanent magnetic chucks 4 on each face of the regular polygon column 2 can magnetically attract and fix at least one workpiece 27, so as to increase the number of fixed workpieces 27; before the electro-permanent magnetic chuck 4 magnetically attracts the workpiece 27, the reference positioning structure 5 positions the workpiece 27 to ensure the position accuracy and stability of the workpiece 27, and improves the quality of machining the workpiece 27. After the machining spindle device 15 finishes machining the workpiece 27 on one face of the regular polygon column 2, the rotation drive mechanism 3 drives the regular polygon column 2 to rotate, so that the workpiece 27 on another face of the regular polygon column 2 faces the machining spindle device 15, facilitating the machining of the remaining workpieces 27 and improving the machining efficiency of the workpiece 27. In addition, when machining a specific angle of the workpiece 27 is required, the rotation drive mechanism 3 drives the regular polygon column 2 to rotate a preset angle to adjust the angle of the workpiece 27, facilitating the machining spindle device 15 to machine different positions and angles of the workpiece 27. After the workpiece 27 is machined, the electro-permanent magnetic chuck 4 releases the magnetic attraction on the workpiece 27, and the workpiece 27 can be taken away. The structure of this multi-fixed-station machining table is simple, increases the number of fixed workpieces 27, improves the machining efficiency and quality of the workpiece 27, and can meet the machining of different positions and angles of the workpiece 27.

[0024] Specifically, the rotation drive mechanism 3 can adopt an existing angle adjustment mechanism, which will not be elaborated here.

[0025] In this embodiment, the reference positioning structure 5 includes a plurality of support rods 6 installed on the regular polygon column 2, and the plurality of support rods 6 are distributed in an L shape; or the reference positioning structure 5 includes an L-shaped positioning plate installed on the regular polygon column 2; or the reference positioning structure 5 includes a longitudinal plate and a transverse plate respectively installed on the regular polygon column 2, and the longitudinal plate and the transverse plate are vertically arranged. The reference positioning structure 5 designed in this way can not only position the workpiece 27, but also support the workpiece 27.

[0026] In this embodiment, the base 1 includes a mounting plate 7 and a bottom plate 8. The bottom plate 8 is installed at the rotating end of the rotation drive mechanism 3, the mounting plate 7 is locked on the bottom plate 8 via a locking member, and the regular polygon column 2 is installed on the top surface of the mounting plate 7; specifically, the locking member can adopt a bolt. This structural design realizes the modular assembly of the base 1 and facilitates the disassembly and assembly of the regular polygon column 2.

[0027] In this embodiment, the bottom plate 8 is provided with a positioning sleeve 9, and the mounting plate 7 is provided with a positioning post 10. The positioning post 10 is inserted into the positioning sleeve 9. When the mounting plate 7 and the bottom plate 8 are assembled, the positioning post 10 and the positioning sleeve 9 are in concave-convex fit to improve the assembly position accuracy and stability of the bottom plate 8 and the mounting plate 7.

[0028] In this embodiment, a lifting ring 11 is provided at the top of the regular polygon column 2. The lifting ring 11 is used for an external lifting device to lift the regular polygon column 2, facilitating the transfer, disassembly and assembly of the regular polygon column 2 and the multi-fixed station processing table.

[0029] In this embodiment, the regular polygon column 2 is a square column.

[0030] The present utility model also provides a double-tool magazine horizontal machining center, which includes a machine table 12, a sliding seat 13 slidably connected to the machine table 12, a moving drive mechanism 14 installed on the machine table 12 and used to drive the sliding seat 13 to reciprocate, a machining spindle device 15 movably arranged on the sliding seat 13, two tool magazines 16 respectively arranged on both sides of the machining spindle device 15, a tool changing mechanism 17 arranged between the machining spindle device 15 and the tool magazine 16, a double hydraulic gantry 18 installed on the machine table 12, and two of the above-mentioned multi-fixed station processing tables arranged on the machine table 12 and located on the front side of the machining spindle device 15. The double hydraulic gantry 18 is used to press the two multi-fixed station processing tables onto the machine table 12; the moving drive mechanism 14 is used to drive the sliding seat 13 together with the machining spindle device 15 to reciprocate between the two multi-fixed station processing tables. Specifically, the machining spindle device 15, the tool magazine 16 and the tool changing mechanism 17 all belong to the prior art and will not be elaborated here.

[0031] In practical applications, the machining spindle device 15 processes the workpiece 27 on the multi-fixed station processing table (such as turning, milling and grinding, etc.). The tool magazine 16 is used to supply tools to the corresponding tool changing mechanism 17, and the tool changing mechanism 17 is used to change the tool for the machining spindle device 15; when the machining spindle device 15 processes the workpiece 27 on the multi-fixed station processing table, the double hydraulic gantry 18 presses the multi-fixed station processing table onto the machine table 12 to reduce vibration and yaw during processing, thereby improving the processing efficiency and accuracy. The double-tool magazine horizontal machining center has good processing stability for the workpiece 27. The two multi-fixed station processing tables fix multiple workpieces 27, greatly increasing the number of fixed workpieces 27, improving the processing efficiency and quality, and having all the beneficial effects of the multi-fixed station processing table.

[0032] In this embodiment, the double hydraulic gantry 18 includes a support frame 19 installed on the machine table 12, two L-shaped support arms 20 connected to the support frame 19, two hydraulic cylinders 21 respectively installed on the two L-shaped support arms 20, and two pressing heads 22 respectively installed on the piston rods of the two hydraulic cylinders 21. The two pressing heads 22 are used to respectively press two multi-fixed-station processing tables. When the machining spindle device 15 processes the workpiece 27 on the multi-fixed-station processing table, the hydraulic cylinder 21 drives the pressing head 22 to move close to the multi-fixed-station processing table, so that the pressing head 22 presses the multi-fixed-station processing table against the machine table 12; when the rotation drive mechanism 3 drives the regular polygon column 2 to rotate, the pressing head 22 is separated from the regular polygon column 2 to release the pressing on the regular polygon column 2.

[0033] In order to avoid the need for the hydraulic cylinder 21 to frequently drive the pressing head 22 to lift and lower, and enable the pressing head 22 to continuously press the multi-fixed-station processing table, the pressing head 22 is rotatably connected to the piston rod of the hydraulic cylinder 21 via a rotary joint 23. When the rotation drive mechanism 3 drives the regular polygon column 2 to rotate, the pressing head 22 can rotate synchronously with the regular polygon column 2.

[0034] In this embodiment, the two L-shaped support arms 20 are rotatably connected to the support frame 19. The machine table 12 is provided with two slot blocks 24. The bottom ends of the two L-shaped support arms 20 are respectively provided with clamping blocks 25. The two clamping blocks 25 are respectively clamped with the two slot blocks 24. The double hydraulic gantry 18 further includes two opening and closing drivers 26. The two opening and closing drivers 26 are used to drive the two L-shaped support arms 20 to rotate closer to or away from each other; specifically, the opening and closing driver 26 can adopt a telescopic rod. One end of the telescopic rod is hinged to the support frame 19, and the other end of the telescopic rod is hinged to the L-shaped support arm 20.

[0035] In practical applications, the two opening and closing drivers 26 respectively drive the two L-shaped support arms 20 to rotate away from each other until the two clamping blocks 25 are respectively clamped with the two slot blocks 24, so that the two L-shaped support arms 20 are in an open state; the two opening and closing drivers 26 respectively drive the two L-shaped support arms 20 to rotate closer to each other, so that the two clamping blocks 25 are respectively separated from the two slot blocks 24, and the two L-shaped support arms 20 are folded together.

[0036] All the technical features in this embodiment can be freely combined according to actual needs.

[0037] The above embodiments are the preferred implementation solutions of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the technical solution is within the protection scope of the present invention.

Claims

1. A multi-fixed station processing table, characterized in that: The invention comprises a base (1), a regular polygonal column (2) arranged on the top surface of the base (1), and a rotation driving mechanism (3) for driving the base (1) to rotate. Each surface of the regular polygonal column (2) is provided with an electric permanent magnetic suction cup (4) and a reference positioning structure (5). The reference positioning structure (5) is arranged on the peripheral side of the electric permanent magnetic suction cup (4). The reference positioning structure (5) is used to position a workpiece (27). The electric permanent magnetic suction cup (4) is used to magnetically attract the workpiece (27). The reference positioning structure (5) comprises a plurality of support rods (6) installed on the regular polygonal column (2), and the plurality of support rods (6) are distributed in an L shape. Alternatively, the reference positioning structure (5) comprises an L-shaped positioning plate installed on the regular polygonal column (2). Alternatively, the reference positioning structure (5) comprises a longitudinal plate and a transverse plate respectively installed on the regular polygonal column (2), and the longitudinal plate and the transverse plate are arranged vertically.

2. A multi-fixed station processing table according to claim 1, characterized in that: The base (1) comprises a mounting plate (7) and a bottom plate (8), wherein the bottom plate (8) is mounted on the rotating end of the rotating drive mechanism (3), the mounting plate (7) is locked on the bottom plate (8) via a locking piece, and the regular polygonal column (2) is mounted on the top surface of the mounting plate (7).

3. The multi-fixed station processing table according to claim 2, characterized in that: The bottom plate (8) is provided with a positioning sleeve (9), the mounting plate (7) is provided with a positioning column (10), and the positioning column (10) is inserted into the positioning sleeve (9).

4. The multi-fixed station processing table according to claim 1, characterized in that: A hanging ring (11) is arranged on the top of the regular polygonal column (2).

5. The multi-fixed station processing table according to claim 1, characterized in that: The regular polygonal column (2) is a square column.

6. A double tool magazine horizontal machining center, characterized in that: The invention comprises a machine table (12), a sliding seat (13) slidably connected to the machine table (12), a moving drive mechanism (14) installed on the machine table (12) and used for driving the sliding seat (13) to reciprocate, a machining spindle device (15) movably arranged on the sliding seat (13), two tool magazines (16) respectively arranged on both sides of the machining spindle device (15), a tool changing mechanism (17) arranged between the machining spindle device (15) and the tool magazine (16), a double hydraulic gantry (18) installed on the machine table (12), and two multi-fixed-station machining tables according to any one of claims 1 to 5 arranged on the machine table (12) and located on the front side of the machining spindle device (15), wherein the double hydraulic gantry (18) is used for pressing the two multi-fixed-station machining tables onto the machine table (12).

7. A double tool magazine horizontal machining center according to claim 6, characterized in that: The double hydraulic gantry (18) comprises a support frame (19) mounted on a machine platform (12), two L-shaped support arms (20) connected to the support frame (19), two hydraulic cylinders (21) respectively mounted on the two L-shaped support arms (20), and two pressing heads (22) respectively mounted on piston rods of the two hydraulic cylinders (21), wherein the two pressing heads (22) are used to respectively press two multi-fixed station processing tables.

8. The double tool magazine horizontal machining center according to claim 7, characterized in that: The pressure head (22) is rotatably connected to the piston rod of the hydraulic cylinder (21) via a swivel joint (23).

9. A double tool magazine horizontal machining center according to claim 7, characterized in that: The two L-shaped support arms (20) are rotatably connected to the support frame (19); the machine platform (12) is provided with two slot blocks (24); the bottom ends of the two L-shaped support arms (20) are provided with a clamping block (25); the two clamping blocks (25) are respectively clamped with the two slot blocks (24); the double hydraulic gantry (18) further comprises two opening and closing drivers (26); the two opening and closing drivers (26) are used to drive the two L-shaped support arms (20) to rotate closer to or farther from each other.

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