Front feeding device of numerical control lathe

Abstract

The front feeding device comprises a lathe body, a top plate is arranged at the front end of the lathe body, two symmetrically-arranged movable plates are arranged at the lower end of the top plate, fixing frames are arranged on the outer walls of the two movable plates in a sleeved mode, and the inner walls of the fixing frames are connected with the outer walls of the movable plates in a sliding mode. A transmission groove is formed in the upper end of the top plate, a conveying belt is in transmission connection with the interior of the transmission groove, two symmetrically-arranged supporting plates are arranged at the upper end of the top plate, limiting mechanisms used for limiting materials are arranged on the two supporting plates, and lifting mechanisms used for lifting the movable plates are arranged in the two fixing frames. The two baffles are pushed by the multiple threaded rods to move towards the middle, products are limited, and the situation that the positions of the products deviate in the conveying process, and certain trouble is brought to taking of the products by people is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled lathes, in particular to a front feeding device of a numerically controlled lathe. Background Art

[0002] CNC lathes and turning centers are high-precision and high-efficiency automated machine tools. Equipped with a multi-station turret or a power turret, the machine tool has a wide range of processing capabilities and can process linear cylinders, oblique cylinders, arcs, and various threads, grooves, worms and other complex workpieces. It has various compensation functions such as linear interpolation and circular interpolation, and has played a good economic effect in the mass production of complex parts.

[0003] During the product processing process of the CNC lathe, multiple parts will be processed in sequence. In order to bring convenience to people during the picking process, a feeding device is generally placed at the front end of the lathe. However, the feeding device in the prior art generally does not have a device to limit the position of the product, which causes the position of the product to shift during the transportation process, thereby causing certain troubles for people to pick up the product. In addition, the height of the existing feeding device is generally fixed, and the height of the feeding device cannot be adjusted according to actual needs, thereby reducing the adaptability of the device. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. By enabling multiple threaded rods to push two baffles to move toward the middle, the product is limited to avoid the position of the product being offset during the conveying process, which causes certain troubles for people to take the product, and a front feeding device for a CNC lathe is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A front feeding device for a CNC lathe comprises a lathe body, a top plate being provided at the front end of the lathe body, two symmetrically arranged movable plates being provided at the lower end of the top plate, fixed frames being sleeved on the outer walls of the two movable plates, the inner walls of the fixed frames being slidably connected to the outer walls of the movable plates, a transmission groove being provided at the upper end of the top plate, a conveyor belt being transmission-connected in the transmission groove, two symmetrically arranged support plates being provided at the upper end of the top plate, limiting mechanisms for limiting the position of materials being provided on the two support plates, and lifting mechanisms for lifting the movable plates being provided in the two fixed frames.

[0007] Preferably, the limiting mechanism includes two symmetrically arranged internal threaded tubes that are rotatably connected to the support plate, and threaded rods are threadedly connected to the two internal threaded tubes. The threads of the two threaded rods have opposite rotation directions, and the ends of the two threaded rods on the same side are commonly provided with a baffle.

[0008] Preferably, the lifting mechanism includes a rotating shaft rotatably connected in a fixed frame, a rotating rod is rotatably connected between the two fixed frames, the rotating rod is located on the outer walls of the two fixed frames and the outer walls of the two rotating shafts are provided with a first gear, the two first gears on the same side are meshed, and two tooth plates are provided at the lower end of the movable plate, and the first gears are meshed with the tooth plates.

[0009] Preferably, both side walls of the two fixed frames are provided with movable grooves, both movable grooves are provided with sliding rods, both outer walls of the sliding rods are slidably connected with sliders, and both sliders are connected to the side walls of the movable plate.

[0010] Preferably, two symmetrically arranged operating rods are rotatably connected through the two support plates, and second gears are provided on the outer walls at both ends of the two operating rods and the outer walls of the multiple internal threaded tubes, and the two second gears on the same side are meshed, and pulleys are provided on the outer walls of the two operating rods, and the two pulleys are connected by belt transmission.

[0011] Preferably, two baffle side walls are each provided with two limit plates, and a plurality of the limit plates respectively penetrate through the two support plates and are slidably connected thereto.

[0012] Beneficial effects of the utility model:

[0013] 1. By using multiple threaded rods to push the two baffles to move toward the middle, the product is limited to avoid the product position from shifting during the transportation process, which causes certain troubles for people to pick up the product.

[0014] 2. By making the two tooth plates push the movable plate to move, the length of the movable plate in the fixed frame changes, so that the height of the top plate can be changed according to actual needs, thereby improving the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic cross-sectional view of the internal structure of the fixing frame of the utility model;

[0017] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure in FIG.

[0018] In the figure: 1 lathe body, 2 top plate, 3 moving plate, 4 fixed frame, 5 rotating rod, 6 support plate, 7 limit plate, 8 threaded rod, 9 operating rod, 10 second gear, 11 first gear, 12 tooth plate, 13 moving groove, 14 conveyor belt, 15 internal threaded pipe, 16 baffle. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] Reference Figure 1-3 The top end of the top plate 2 is provided with a transmission groove, and a conveyor belt 14 is connected to the transmission groove in a transmission connection. Two symmetrically arranged support plates 6 are provided on the upper end of the top plate 2, and a limiting mechanism for limiting the position of materials is provided on the two support plates 6. The limiting mechanism includes two symmetrically arranged internal threaded tubes 15 that are rotatably connected to the support plate 6. The two internal threaded tubes 15 are threadedly connected with threaded rods 8. The threaded directions of the two threaded rods 8 are opposite, and the ends of the two threaded rods 8 on the same side are jointly provided with a baffle 16. By making the multiple threaded rods 8 push the two baffles 16 to move toward the middle, the product is limited to avoid the product position from being offset during the conveying process, which brings certain troubles to people in taking the product.

[0022] A lifting mechanism for lifting the movable plate 3 is provided in each of the two fixed frames 4, and the lifting mechanism includes a rotating shaft rotatably connected in the fixed frame 4, and a rotating rod 5 is rotatably connected between the two fixed frames 4. The rotating rod 5 is located on the outer walls of the two fixed frames 4, and the outer walls of the two rotating shafts are provided with a first gear 11, and the two first gears 11 on the same side are meshed with each other. Two tooth plates 12 are provided at the lower end of the movable plate 3, and the first gear 11 is meshed with the tooth plate 12. By pushing the movable plate 3 to move by the two tooth plates 12, the length of the movable plate 3 in the fixed frame 4 is changed, so that the height of the top plate 2 can be changed according to actual needs, thereby improving the adaptability of the device.

[0023] The side walls of the two fixed frames 4 are both provided with moving grooves 13 , and the two moving grooves 13 are both provided with sliding rods. The outer walls of the two sliding rods are both slidably connected with sliders, and the two sliders are both connected to the side walls of the moving plate 3 .

[0024] Two symmetrically arranged operating rods 9 are rotatably connected through the two support plates 6. Second gears 10 are provided on the outer walls at both ends of the two operating rods 9 and the outer walls of the multiple internal threaded tubes 15. The two second gears 10 on the same side are meshed. Pulleys are provided on the outer walls of the two operating rods 9, and the two pulleys are connected by belt transmission.

[0025] Two limiting plates 7 are disposed on the side walls of the two baffles 16 , and the plurality of limiting plates 7 respectively penetrate the two supporting plates 6 and are slidably connected thereto.

[0026] When the utility model is used, when feeding the product, one of the operating rods 9 is rotated, and the transmission connection between the pulley and the belt between the two operating rods 9 is utilized to make the two operating rods 9 rotate at the same time, and the meshing of the two second gears 10 between the operating rod 9 and the internally threaded tube 15 is utilized to make the multiple internally threaded tubes 15 rotate, and then through the threaded connection between the internally threaded tube 15 and the threaded rod 8, the opposite rotation direction of the threads of the two threaded rods 8, and the limiting effect of the limiting plate 7 on the baffle 16, the multiple threaded rods 8 push the two baffles 16 to move to the middle, limit the product, and avoid the product position from being offset during the conveying process, which brings certain troubles to people in taking the product;

[0027] When the height of the top plate 2 is adjusted according to actual conditions, the rotating rod 5 is rotated to rotate the two first gears 11 on the outer wall of the rotating rod 5. The two first gears 11 on the same side are meshed with each other, and the first gears 11 are meshed with the toothed plate 12, so that the two toothed plates 12 push the movable plate 3 to move, and the length of the movable plate 3 in the fixed frame 4 is changed, so that the height of the top plate 2 can be changed according to actual needs, thereby improving the adaptability of the device.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A front feeding device for a CNC lathe, comprising a lathe body (1), characterized in that: The front end of the lathe body (1) is provided with a top plate (2), the lower end of the top plate (2) is provided with two symmetrically arranged moving plates (3), the outer walls of the two moving plates (3) are sleeved with fixed frames (4), the inner wall of the fixed frame (4) is slidably connected to the outer wall of the moving plate (3), the upper end of the top plate (2) is provided with a transmission groove, and a conveyor belt (14) is transmission-connected in the transmission groove, the upper end of the top plate (2) is provided with two symmetrically arranged supporting plates (6), the two supporting plates (6) are provided with limiting mechanisms for limiting the position of materials, and the two fixed frames (4) are provided with lifting mechanisms for lifting the moving plates (3).

2. The front feeding device of a CNC lathe according to claim 1, characterized in that: The limiting mechanism comprises two symmetrically arranged internal threaded tubes (15) which are rotatably connected to the support plate (6), and threaded rods (8) are threadedly connected to the two internal threaded tubes (15). The threaded directions of the two threaded rods (8) are opposite, and the ends of the two threaded rods (8) on the same side are both provided with a baffle (16).

3. The front feeding device of a CNC lathe according to claim 2, characterized in that: The lifting mechanism comprises a rotating shaft rotatably connected in a fixed frame (4); a rotating rod (5) is rotatably connected between the two fixed frames (4); the rotating rod (5) is located on the outer walls of the two fixed frames (4); and the outer walls of the two rotating shafts are provided with a first gear (11); the two first gears (11) on the same side are meshed with each other; and two tooth plates (12) are provided at the lower end of the movable plate (3); the first gear (11) is meshed with the tooth plate (12).

4. The front feeding device of a CNC lathe according to claim 3, characterized in that: Both side walls of the two fixed frames (4) are provided with movable grooves (13), both movable grooves (13) are provided with sliding rods, both outer walls of the sliding rods are slidably connected with sliders, and both sliders are connected to the side walls of the movable plate (3).

5. The front feeding device of a CNC lathe according to claim 4, characterized in that: Two symmetrically arranged operating rods (9) are rotatably connected through the two support plates (6); the outer walls at both ends of the two operating rods (9) and the outer walls of the multiple internally threaded tubes (15) are provided with second gears (10); the two second gears (10) on the same side are meshed; the outer walls of the two operating rods (9) are provided with pulleys, and the two pulleys are connected by belt transmission.

6. The front feeding device of a CNC lathe according to claim 5, characterized in that: Two limiting plates (7) are provided on the side walls of the two baffles (16), and the plurality of limiting plates (7) respectively penetrate the two supporting plates (6) and are slidably connected thereto.

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