Automatic feeding device of machining center

Abstract

The utility model discloses a machining center automatic feeding device which comprises a machining center body, a containing plate is arranged on one side of the bottom end of the machining center body, a feeding trolley is arranged at the top end of the containing plate and connected with the machining center body through a rapid limiting assembly, and a material frame is arranged at the top end of the feeding trolley and connected with the machining center body. The material frame is connected with the feeding trolley through a steering assembly, a feeding conveying belt and a discharging conveying belt which are symmetrically arranged are arranged in the material frame, and a first hydraulic cylinder is arranged at the top end of the feeding conveying belt. The machining center has the beneficial effects that the machining center body and the feeding trolley can be rapidly fixed or disassembled through the arrangement of the rapid limiting assembly, the disassembling and assembling time is shortened, and the machining efficiency is improved; by arranging the steering assembly, steering adjustment can be conducted on the material frame, feeding and discharging are switched back and forth, and personnel use is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of machining centers, in particular to an automatic feeding device for a machining center. Background Art

[0002] CNC milling machine is also called CNC milling machine. In English, it means a milling machine controlled by electronic digital signals. CNC milling machine is an automatic processing equipment developed on the basis of general milling machine. The processing technology of the two is basically the same, and the structure is also somewhat similar. CNC milling machine can be divided into two categories: without tool magazine and with tool magazine. Among them, CNC milling machine with tool magazine is also called machining center.

[0003] According to an automatic feeding device for a machining center disclosed in Chinese patent CN202320513878.X, the application includes a machining center body, a feeding mechanism for transporting the workpiece to be processed into the interior of the machining center body is provided on the front of the machining center body, the feeding mechanism includes a feeding trolley arranged on the front of the machining center body, the feeding trolley includes a mobile trolley frame, a plurality of foot brake universal wheels are installed at the bottom end of the mobile trolley frame, the opposite surfaces of the two first baffles provided at the top of the mobile trolley frame are provided with first electric guide rails, a feeding conveyor belt is provided between the movable blocks of the two first electric guide rails, a first hydraulic cylinder is installed on one end of the first baffle close to the machining center body, and the output shaft of the first hydraulic cylinder is fixedly connected with a first mechanical gripper, so as to facilitate the transport of the workpiece to be processed into the interior of the machining center body, and facilitate the grabbing and placing of the workpiece to be processed, so as to facilitate the clamping mechanism inside the machining center body to fix and clamp the workpiece to be processed, thereby realizing automatic feeding. In the existing device, the feeding trolley and the machining center body need to be connected and fixed by bolts each time, and the disassembly and assembly are more troublesome and time-consuming, which affects the machining efficiency.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes an automatic feeding device for a machining center to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] An automatic feeding device for a machining center comprises a machining center body, a placement plate is provided on one side of the bottom end of the machining center body, a feeding trolley is provided on the top of the placement plate, the feeding trolley is connected to the machining center body through a quick limit assembly, a material rack is provided on the top of the feeding trolley, the material rack is connected to the feeding trolley through a steering assembly, a symmetrically arranged feeding conveyor belt and a discharging conveyor belt are provided in the material rack, a hydraulic cylinder 1 is provided on the top of the feeding conveyor belt, the hydraulic cylinder 1 is connected to the material rack through a U-shaped frame 1, a mechanical gripper 1 is provided on the movable end of the hydraulic cylinder 1, a hydraulic cylinder 2 is provided on the top of the discharging conveyor belt, the hydraulic cylinder 2 is connected to the material rack through a U-shaped frame 2, and a mechanical gripper 2 is provided on the movable end of the hydraulic cylinder 2.

[0008] Preferably, a positioning groove matching the feeding trolley is provided at the top of the placement plate.

[0009] Preferably, the quick limit assembly includes a connecting seat provided on one side of the machining center body, a slot is provided on one side of the connecting seat, an insertion block matching the slot is provided on one side of the feeding trolley, a symmetrically arranged placement slot 1 is provided in the connecting seat and on both sides of the slot, a mounting block is provided in the placement slot 1, a symmetrically arranged guide rod passing through the mounting block is provided in the placement slot 1, a return spring is provided on one side of the mounting block and on the outer wall of the guide rod, an electromagnet is provided on the side of the mounting block away from the return spring, and iron blocks matching the electromagnet are embedded on both sides of the insertion block.

[0010] Preferably, the mounting block is connected to the connecting seat via the return spring, and a sliding hole matching the guide rod is provided on the mounting block.

[0011] Preferably, the mounting block is provided with a symmetrically arranged reinforcing pin on one side of the electromagnet, and the insert block is provided with an auxiliary limiting groove matching the reinforcing pin.

[0012] Preferably, the steering assembly includes a rotating shaft at the top of the feeding cart, the top of the rotating shaft is fixedly connected to the material rack, the bottom of the rotating shaft is connected to the feeding cart through a bearing, a placement slot 2 is opened in the feeding cart, a steering motor is provided in the placement slot 2, and the bottom end of the rotating shaft extends into the placement slot 2 and is connected to the driving end of the steering motor.

[0013] Preferably, a heat dissipation hole connected to the second placement slot is provided at the bottom of the feeding vehicle.

[0014] Preferably, an annular frame is provided at the top of the feeding vehicle, an annular groove is provided on the inner wall of the annular frame, a symmetrically arranged and matching L-shaped slider is provided in the annular groove, and the top of the L-shaped slider extends outside the annular frame and is fixedly connected to the material rack.

[0015] The beneficial effects of the utility model are as follows: by setting a quick limit assembly, the machining center body and the feeding cart can be quickly fixed or disassembled, thereby reducing the disassembly and assembly time and improving the machining efficiency. At the same time, the quick limit assembly is simply and reliably connected through the cooperation between the electromagnet, the return spring and the iron block. By setting a steering assembly, the material rack can be steered and adjusted, so that the feeding and discharging can be switched back and forth, which is convenient for personnel to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of an automatic feeding device for a machining center according to an embodiment of the utility model;

[0018] Figure 2 This is a front view of an automatic feeding device for a machining center according to an embodiment of the utility model;

[0019] Figure 3 A machining center body in an automatic feeding device for a machining center according to an embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of a feeding vehicle in an automatic feeding device of a machining center according to an embodiment of the utility model;

[0021] Figure 5 It is a cross-sectional view of a connecting seat in an automatic feeding device of a machining center according to an embodiment of the utility model;

[0022] Figure 6 yes Figure 4 A local enlarged schematic diagram of the middle A;

[0023] Figure 7 It is a cross-sectional view of a feeding vehicle in an automatic feeding device of a machining center according to an embodiment of the utility model;

[0024] Figure 8 yes Figure 7 A local enlarged schematic diagram of point B in the middle.

[0025] In the figure:

[0026] 1. Machining center body; 2. Placement plate; 3. Feeder; 4. Material rack; 5. Feed conveyor; 6. Discharge conveyor; 7. Hydraulic cylinder 1; 8. U-shaped frame 1; 9. Mechanical gripper 1; 10. Hydraulic cylinder 2; 11. U-shaped frame 2; 12. Mechanical gripper 2; 13. Positioning slide; 14. Connecting seat; 15. Slot; 16. Insert block; 17. Placement slot 1; 18. Mounting block; 19. Guide rod; 20. Reset spring; 21. Electromagnet; 22. Iron block; 23. Reinforcement pin; 24. Auxiliary limit slot; 25. Rotating shaft; 26. Placement slot 2; 27. Steering motor; 28. Heat dissipation hole; 29. ​​Ring frame; 30. Ring slot; 31. L-shaped slider. DETAILED DESCRIPTION

[0027] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] According to an embodiment of the utility model, an automatic feeding device for a machining center is provided.

[0029] Embodiment 1;

[0030] like Figure 1-8 As shown, the automatic feeding device of the machining center according to the embodiment of the utility model includes a machining center body 1, a placing plate 2 is provided on one side of the bottom end of the machining center body 1, a feeding trolley 3 is provided on the top of the placing plate 2, and the feeding trolley 3 is connected to the machining center body 1 through a quick limit assembly, a material rack 4 is provided on the top of the feeding trolley 3, and the material rack 4 is connected to the feeding trolley 3 through a steering assembly, and a symmetrically arranged feeding conveyor belt 5 and a discharging conveyor belt 6 are provided in the material rack 4, a hydraulic cylinder 17 is provided on the top of the feeding conveyor belt 5, and the hydraulic cylinder 17 is connected to the material rack 4 through a U-shaped frame 18, and a mechanical gripper 19 is provided on the movable end of the hydraulic cylinder 17, and a hydraulic cylinder 2 10 is provided on the top of the discharging conveyor belt 6, and the hydraulic cylinder 2 10 is connected to the material rack 4 through a U-shaped frame 11, and a mechanical gripper 2 12 is provided on the movable end of the hydraulic cylinder 2 10.

[0031] Embodiment 2:

[0032] like Figure 1-8As shown, it includes a machining center body 1, a placing plate 2 is provided on one side of the bottom end of the machining center body 1, a feeding car 3 is provided on the top of the placing plate 2, the feeding car 3 is connected to the machining center body 1 through a quick limit assembly, a material rack 4 is provided on the top of the feeding car 3, the material rack 4 is connected to the feeding car 3 through a steering assembly, a symmetrically arranged feeding conveyor belt 5 and a discharging conveyor belt 6 are provided in the material rack 4, a hydraulic cylinder 1 7 is provided on the top of the feeding conveyor belt 5, the hydraulic cylinder 1 7 is connected to the material rack 4 through a U-shaped frame 1 8, a mechanical gripper 1 9 is provided on the movable end of the hydraulic cylinder 1 7, a hydraulic cylinder 2 10 is provided on the top of the discharging conveyor belt 6, the hydraulic cylinder 2 10 is connected to the material rack 4 through a U-shaped frame 11, and a mechanical gripper 2 12 is provided on the movable end of the hydraulic cylinder 2 10. A positioning slide 13 matching the feeding car 3 is provided on the top of the placing plate 2. The quick limit assembly includes a connection seat 14 provided on one side of the machining center body 1, a slot 15 is provided on one side of the connection seat 14, an insert block 16 matching the slot 15 is provided on one side of the feeder 3, a symmetrical placement slot 17 is provided in the connection seat 14 and on both sides of the slot 15, a mounting block 18 is provided in the placement slot 17, a guide rod 19 symmetrically provided and passing through the mounting block 18 is provided in the placement slot 17, a reset spring 20 is provided on one side of the mounting block 18 and on the outer wall of the guide rod 19, an electromagnet 21 is provided on the side of the mounting block 18 away from the reset spring 20, and iron blocks 22 matching the electromagnet 21 are embedded on both sides of the insert block 16. The mounting block 18 is connected to the connection seat 14 through the reset spring 20, and a sliding hole matching the guide rod 19 is provided on the mounting block 18. The mounting block 18 is provided with a symmetrically arranged reinforcing pin 23 on one side of the electromagnet 21, and the plug block 16 is provided with an auxiliary limiting groove 24 matching the reinforcing pin 23. When fixing the feeder 3 to the machining center body 1, first push the feeder 3 onto the placement plate 2 along the positioning slide 13, and the feeder 3 drives the plug block 16 to insert into the slot 15 on the connecting seat 14, and then start the electromagnet 21, and the electromagnet 21 is energized to generate magnetic force to move toward the iron block 22 on the plug block 16 until the electromagnet 21 and the iron block 22 are attracted together, and at the same time, the electromagnet 21 drives the reinforcing pin 23 through the mounting block 18 to insert into the auxiliary limiting groove 24 on the plug block 16 to further strengthen the connection, and the machining center body and the feeder can be quickly fixed or disassembled by setting a quick limiting assembly, reducing the disassembly and assembly time and improving the machining efficiency, and at the same time, the quick limiting assembly is simply connected and reliable through the use of the electromagnet, the reset spring and the iron block.

[0033] Embodiment three;

[0034] like Figure 1-8As shown, it includes a machining center body 1, a placing plate 2 is provided on one side of the bottom end of the machining center body 1, a feeding trolley 3 is provided on the top of the placing plate 2, the feeding trolley 3 is connected to the machining center body 1 through a quick limit assembly, a material rack 4 is provided on the top of the feeding trolley 3, the material rack 4 is connected to the feeding trolley 3 through a steering assembly, a symmetrically arranged feed conveyor belt 5 and a discharge conveyor belt 6 are provided in the material rack 4, a hydraulic cylinder 17 is provided on the top of the feed conveyor belt 5, the hydraulic cylinder 17 is connected to the material rack 4 through a U-shaped frame 18, a mechanical gripper 19 is provided on the movable end of the hydraulic cylinder 17, a hydraulic cylinder 2 10 is provided on the top of the discharge conveyor belt 6, the hydraulic cylinder 2 10 is connected to the material rack 4 through a U-shaped frame 11, and a mechanical gripper 2 12 is provided on the movable end of the hydraulic cylinder 2 10. The steering assembly includes a rotating shaft 25 at the top of the feeding cart 3, the top of the rotating shaft 25 is fixedly connected to the material rack 4, the bottom of the rotating shaft 25 is connected to the feeding cart 3 through a bearing, a placement slot 26 is provided in the feeding cart 3, a steering motor 27 is provided in the placement slot 26, and the bottom of the rotating shaft 25 extends to the placement slot 26 and is connected to the driving end of the steering motor 27. A heat dissipation hole 28 connected to the placement slot 26 is provided at the bottom of the feeding cart 3. An annular frame 29 is provided at the top of the feeding cart 3, an annular groove 30 is provided on the inner wall of the annular frame 29, and an L-shaped slider 31 is symmetrically arranged and matched therewith in the annular groove 30, and the top of the L-shaped slider 31 extends to the outside of the annular frame 29 and is fixedly connected to the material rack 4. When loading, the mechanical gripper 9 grabs the workpiece to be processed on the feed conveyor 5, and the hydraulic cylinder 7 is started to drive the mechanical gripper 9 to extend into the machining center body 1. When taking materials, the steering motor 27 is started to drive the material rack 4 to rotate 180 degrees, and the discharge conveyor 6 is aligned with the material inlet and outlet of the machining center body 1. The hydraulic cylinder 2 10 is started to push the mechanical gripper 2 12 to enter the machining center body 1 to grab the finished product, and then take it out and place it on the discharge conveyor 6. By setting the steering component, the material rack can be steered and adjusted, so that the feeding and discharging can be switched back and forth, which is convenient for personnel to use.

[0035] In actual application, when fixing the feeding trolley 3 and the machining center body 1, first push the feeding trolley 3 along the positioning slide groove 13 to the placement plate 2, and the feeding trolley 3 drives the plug block 16 to be inserted into the slot 15 on the connecting seat 14, and then start the electromagnet 21. The electromagnet 21 is energized to generate magnetic force to move toward the iron block 22 on the plug block 16 until the electromagnet 21 and the iron block 22 are attracted together. At the same time, the electromagnet 21 drives the reinforcing pin 23 through the mounting block 18 to be inserted into the auxiliary limiting groove 24 on the plug block 16 to further strengthen the connection. By setting a quick limiting component, the machining center body and the feeding trolley can be quickly fixed or disassembled, reducing the disassembly and assembly time and improving the processing efficiency. At the same time, the quick limit assembly is simply and reliably connected through the cooperation between the electromagnet, the reset spring and the iron block; when loading, the mechanical gripper 9 grabs the workpiece to be processed on the feed conveyor 5, and the hydraulic cylinder 7 is started to drive the mechanical gripper 9 to extend into the machining center body 1. When taking materials, the steering motor 27 is started to drive the material rack 4 to rotate 180 degrees, and the discharge conveyor 6 is aligned with the material inlet and outlet of the machining center body 1. The hydraulic cylinder 2 10 is started to push the mechanical gripper 2 12 to enter the machining center body 1 to grab the finished product, and then take it out and place it on the discharge conveyor 6. By setting the steering assembly, the material rack can be steered and adjusted, so that the feeding and discharging can be switched back and forth, which is convenient for personnel to use.

[0036] To sum up, with the help of the above-mentioned technical scheme of the utility model, by setting a quick limit component, the machining center body and the feeding cart can be quickly fixed or disassembled, thereby reducing the disassembly and assembly time and improving the machining efficiency. At the same time, the quick limit component is simply and reliably connected through the cooperation between the electromagnet, the return spring and the iron block. By setting a steering component, the material rack can be steered and adjusted, so that the feeding and discharging can be switched back and forth, which is convenient for personnel to use.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic feeding device for a machining center, comprising a machining center body (1), characterized in that: A placing plate (2) is provided on one side of the bottom end of the machining center body (1), a feeding trolley (3) is provided on the top of the placing plate (2), the feeding trolley (3) is connected to the machining center body (1) through a quick limit assembly, a material rack (4) is provided on the top of the feeding trolley (3), the material rack (4) is connected to the feeding trolley (3) through a steering assembly, a symmetrically arranged feeding conveyor belt (5) and a discharging conveyor belt (6) are provided in the material rack (4), a hydraulic cylinder (7) is provided on the top of the feeding conveyor belt (5), the hydraulic cylinder (7) is connected to the material rack (4) through a U-shaped frame (8), a mechanical gripper (9) is provided on the movable end of the hydraulic cylinder (7), a hydraulic cylinder (10) is provided on the top of the discharging conveyor belt (6), the hydraulic cylinder (10) is connected to the material rack (4) through a U-shaped frame (11), and a mechanical gripper (12) is provided on the movable end of the hydraulic cylinder (10).

2. The automatic feeding device for a machining center according to claim 1, characterized in that: The top of the placement plate (2) is provided with a positioning slide groove (13) matching the feeding vehicle (3).

3. The automatic feeding device for a machining center according to claim 1, characterized in that: The quick limit assembly comprises a connecting seat (14) provided on one side of the machining center body (1), a slot (15) being provided on one side of the connecting seat (14), an insert block (16) matching the slot (15) being provided on one side of the feeding vehicle (3), a symmetrically arranged placement slot (17) being provided in the connecting seat (14) and located on both sides of the slot (15), a mounting block (18) being provided in the placement slot (17), a symmetrically arranged guide rod (19) being provided in the placement slot (17) and penetrating the mounting block (18), a return spring (20) being provided on one side of the mounting block (18) and located on the outer wall of the guide rod (19), an electromagnet (21) being provided on the side of the mounting block (18) away from the return spring (20), and iron blocks (22) matching the electromagnet (21) being embedded on both sides of the insert block (16).

4. The automatic feeding device for a machining center according to claim 3, characterized in that: The mounting block (18) is connected to the connecting seat (14) via the return spring (20), and a sliding hole matching the guide rod (19) is provided on the mounting block (18).

5. The automatic feeding device for a machining center according to claim 3, characterized in that: The installation block (18) is provided with a symmetrically arranged reinforcing pin (23) on one side of the electromagnet (21), and the insert block (16) is provided with an auxiliary limiting groove (24) matching the reinforcing pin (23).

6. The automatic feeding device for a machining center according to claim 1, characterized in that: The steering assembly comprises a rotating shaft (25) provided at the top of the feeding trolley (3), the top of the rotating shaft (25) being fixedly connected to the material rack (4), the bottom of the rotating shaft (25) being connected to the feeding trolley (3) via a bearing, a second placement slot (26) being provided in the feeding trolley (3), a steering motor (27) being provided in the second placement slot (26), and the bottom of the rotating shaft (25) extending into the second placement slot (26) and being connected to the driving end of the steering motor (27).

7. The automatic feeding device for a machining center according to claim 6, characterized in that: The bottom end of the feeding vehicle (3) is provided with a heat dissipation hole (28) which is in communication with the second placement groove (26).

8. The automatic feeding device for a machining center according to claim 6, characterized in that: The top of the feeding vehicle (3) is provided with an annular frame (29), the inner wall of the annular frame (29) is provided with an annular groove (30), the annular groove (30) is provided with an L-shaped sliding block (31) symmetrically arranged and matched therewith, the top of the L-shaped sliding block (31) extends outside the annular frame (29) and is fixedly connected to the material rack (4).

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