Feeding mechanism for vertical numerical control lathe for precision machining

Abstract

The feeding mechanism comprises a bottom plate, two vertical plates which are symmetrically distributed are fixedly installed at the top of the bottom plate, the same material box is fixedly installed on the sides, close to each other, of the two vertical plates, a discharging opening is formed in the bottom of the material box, and a feeding opening is formed in the bottom of the discharging opening. And an adjusting mechanism for adjusting the discharging diameter is arranged in the material box, two symmetrically-distributed hydraulic cylinders are fixedly installed at the top of the bottom plate, the same lifting plate is fixedly installed at the output ends of the two hydraulic cylinders, and a feeding mechanism for pushing workpieces to be fed is arranged on the lifting plate. The automatic feeding device is reasonable in design, the discharging gap can be adjusted according to the diameters of different workpieces, the workpieces can automatically slide downwards through the two material leaking grooves, the workpieces can be conveniently supplemented into the material box, time and labor are saved, the feeding efficiency is improved, the two material pushing blocks can be controlled to rotate circularly, the workpieces falling into the arc-shaped grooves are conveyed rightwards, and the feeding efficiency is improved. And the feeding efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lathe loading, in particular to a loading mechanism for a precision machining vertical CNC lathe. Background Technique

[0002] Precision machining is a process of changing the shape, size or performance of a workpiece with a machining machine, which is classified into two types: cold machining and hot machining. A vertical CNC lathe is a high-precision and high-efficiency automatic machine tool. According to the pre-programmed processing program, it can automatically process the machined parts, and can process complex workpieces such as straight cylinders, inclined cylinders, arcs, various threads, grooves, and worms, and is suitable for the processing of precision parts.

[0003] After retrieval, a loading mechanism for a precision machining vertical CNC lathe announced in the Chinese patent with the announcement number CN217912865U has the following technical key points: it includes a loading mechanism main body and a vertical CNC lathe. A pinch roller feeding mechanism is installed between the loading mechanism main body and the vertical CNC lathe, and a lathe loading tray is installed in the vertical CNC lathe. A fixed support frame is provided on one side of the lower end of the loading mechanism main body close to the pinch roller feeding mechanism, and side plates are symmetrically connected to both sides of the upper end of the fixed support frame. Support plates are symmetrically arranged between the side plates, and a fixing plate is connected to one side of the side plate close to the vertical CNC lathe. A second support bracket and a third support bracket are provided below between the support plates. An adjustable support frame is also provided on the other side of the loading mechanism main body, and a limiting plate is connected to the upper end of the adjustable support frame.

[0004] The above solution is found to still have at least the following defects in actual operation: Although the device can control the workpiece loading, when the hydraulic push rod pushes the workpiece to the right, the upper workpiece will fall downward under the action of gravity, which easily causes the right end of the falling workpiece to collide with the pusher plate, affecting the loading efficiency. Therefore, we propose a loading mechanism for a precision machining vertical CNC lathe to solve the above problems. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a loading mechanism for a precision machining vertical CNC lathe, which solves the problem that although the workpiece loading can be controlled, when the hydraulic push rod pushes the workpiece to the right, the upper workpiece will fall downward under the action of gravity, which easily causes the right end of the falling workpiece to collide with the pusher plate, affecting the loading efficiency.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A loading mechanism for a precision machining vertical CNC lathe, including a bottom plate. Two symmetrically distributed vertical plates are fixedly installed on the top of the bottom plate. A same material box is fixedly installed on the side of the two vertical plates close to each other. A blanking port is opened at the bottom of the material box. An adjusting mechanism for adjusting the blanking diameter is arranged in the material box. Two symmetrically distributed hydraulic cylinders are fixedly installed on the top of the bottom plate. The output ends of the two hydraulic cylinders are fixedly installed with a same lifting plate. A feeding mechanism for pushing the workpiece for loading is arranged on the lifting plate.

[0007] Preferably, the adjusting mechanism includes an electric push rod and an adjusting block. The electric push rod is fixedly installed on the right inner wall of the material box. The adjusting block is fixedly installed at the output end of the electric push rod and is in sliding contact with the bottom inner wall of the material box. Leakage grooves are opened on the left side of the adjusting block and the left inner wall of the material box.

[0008] Preferably, guiding sliding grooves are opened on the front and rear inner walls of the material box. Guiding sliding blocks are fixedly installed on the front and rear sides of the adjusting block. The two guiding sliding blocks are respectively slidably installed in the two guiding sliding grooves.

[0009] Preferably, the feeding mechanism includes a support box, a support seat, a U-shaped seat, a plurality of rotating shafts, a plurality of rollers, a conveyor belt, a driving motor and two pushing blocks. The support box is fixedly installed on the top of the lifting plate. The support seat is fixedly installed on the top of the support box and is located below the blanking port. An arc-shaped groove is opened at the top of the support seat. A through groove is opened at the bottom of the arc-shaped groove. The U-shaped seat is fixedly installed on the bottom inner wall of the support box. A plurality of rotating shafts are all rotatably installed on the U-shaped seat and are evenly distributed. A plurality of rollers are respectively fixedly installed on the corresponding rotating shafts. The conveyor belt is wound around the plurality of rollers. The driving motor is fixedly installed on the right side of the U-shaped seat. The output shaft end of the driving motor is fixedly connected to the corresponding rotating shaft. The two pushing blocks are both fixedly installed on the conveyor belt and are symmetrically distributed. One of the pushing blocks is slidably installed in the through groove and extends above the through groove.

[0010] Preferably, the arc surface of the arc-shaped groove is a smooth surface.

[0011] Preferably, a maintenance window is opened on the front side of the support box. A maintenance door is detachably installed on the maintenance window through bolts.

[0012] Preferably, four moving wheels are rotatably installed at the bottom of the bottom plate and are symmetrically distributed in pairs.

[0013] Preferably, four guiding rods are fixedly installed on the top of the bottom plate and are symmetrically distributed in pairs. The lifting plate is slidably installed on the four guiding rods.

[0014] The present utility model provides a loading mechanism for a precision machining vertical CNC lathe. It has the following beneficial effects:

[0015] (1) The feeding mechanism for a precision machining vertical CNC lathe can adjust the blanking gap according to different workpiece diameters by using an adjustment mechanism composed of an electric push rod and an adjustment block, and can make the workpiece slide down automatically by using two material leakage grooves, which is convenient for replenishing the workpiece into the material box, saving time and effort, and improving the feeding efficiency.

[0016] (2) The feeding mechanism for a precision machining vertical CNC lathe can control the cyclic rotation of two pushing blocks and convey the workpiece falling into the arc-shaped groove to the right by using a feeding mechanism composed of a support box, a support seat, a U-shaped seat, multiple rotating shafts, multiple rollers, a conveyor belt, a driving motor and two pushing blocks, greatly improving the feeding efficiency. Brief Description of the Drawings

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 is a sectional structural schematic diagram of the front view of the present utility model;

[0019] Figure 3 is Figure 2 an enlarged schematic diagram of part A in

[0020] Figure 4 is a three-dimensional structural schematic diagram of the section of the present utility model;

[0021] Figure 5 is a three-dimensional structural schematic diagram of the feeding mechanism.

[0022] In the figure: 1, bottom plate; 2, vertical plate; 3, material box; 4, blanking port; 5, hydraulic cylinder; 6, lifting plate; 7, electric push rod; 8, adjustment block; 9, material leakage groove; 10, guiding chute; 11, guiding slider; 12, support box; 13, support seat; 14, arc-shaped groove; 15, through groove; 16, U-shaped seat; 17, rotating shaft; 18, roller; 19, conveyor belt; 20, driving motor; 21, pushing block; 22, moving wheel; 23, guiding rod. Detailed Description of the Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Such as Figures 1-5As shown in the figure, the utility model provides a technical solution: a loading mechanism for a precision machining vertical CNC lathe, which includes a bottom plate 1. Two symmetrically distributed vertical plates 2 are fixedly installed on the top of the bottom plate 1. A same material box 3 is fixedly installed on one side of the two vertical plates 2 close to each other. A blanking port 4 is opened at the bottom of the material box 3. An adjusting mechanism for adjusting the blanking diameter is arranged in the material box 3. Two symmetrically distributed hydraulic cylinders 5 are fixedly installed on the top of the bottom plate 1. The height corresponding to the conveyed workpiece can be adjusted by the two hydraulic cylinders 5, so as to convey workpieces with different diameters. The output ends of the two hydraulic cylinders 5 are fixedly installed with a same lifting plate 6. A feeding mechanism for pushing the workpiece for loading is arranged on the lifting plate 6.

[0025] In this embodiment, four moving wheels 22 are rotatably installed at the bottom of the bottom plate 1 and are symmetrically distributed in pairs. The device can be conveniently moved by the multiple moving wheels 22, improving the flexibility of the device in use. Four symmetrically distributed guide rods 23 are fixedly installed on the top of the bottom plate 1. The lifting plate 6 is slidably installed on the four guide rods 23.

[0026] In this embodiment, the above-mentioned adjusting mechanism includes an electric push rod 7 and an adjusting block 8. The electric push rod 7 is fixedly installed on the right inner wall of the material box 3. The adjusting block 8 is fixedly installed at the output end of the electric push rod 7 and is in sliding contact with the bottom inner wall of the material box 3. Leakage grooves 9 are opened on the left side of the adjusting block 8 and the left inner wall of the material box 3. By the combined action of the two leakage grooves 9, multiple workpieces can be directly placed into the material box 3 during replenishment, so that the multiple workpieces are stacked naturally and automatically slide downward under the action of gravity, saving time and effort. Guide chutes 10 are opened on the front and rear inner walls of the material box 3. Guide sliders 11 are fixedly installed on the front and rear sides of the adjusting block 8. The two guide sliders 11 are respectively slidably installed in the two guide chutes 10.

[0027] In this embodiment, the above-mentioned feeding mechanism includes a support box 12, a support base 13, a U-shaped seat 16, a plurality of rotating shafts 17, a plurality of rollers 18, a conveyor belt 19, a driving motor 20 and two pushing blocks 21. The support box 12 is fixedly installed on the top of the lifting plate 6. An inspection window is opened on the front side of the support box 12, and an inspection door is detachably installed on the inspection window through bolts. The support base 13 is fixedly installed on the top of the support box 12 and is located below the blanking port 4. An arc-shaped groove 14 is opened on the top of the support base 13, and the arc surface of the arc-shaped groove 14 is a smooth surface, which facilitates the sliding of the workpiece in the arc-shaped groove 14. A through groove 15 is opened at the bottom of the arc-shaped groove 14. The U-shaped seat 16 is fixedly installed on the inner wall of the bottom of the support box 12. A plurality of rotating shafts 17 are all rotatably installed on the U-shaped seat 16 and are evenly distributed. A plurality of rollers 18 are respectively fixedly installed on the corresponding rotating shafts 17. The conveyor belt 19 is wound around the plurality of rollers 18. The driving motor 20 is fixedly installed on the right side of the U-shaped seat 16, and the output shaft end of the driving motor 20 is fixedly connected to the corresponding rotating shaft 17. The two pushing blocks 21 are both fixedly installed on the conveyor belt 19 and are symmetrically distributed. One of the pushing blocks 21 is slidably installed in the through groove 15 and extends above the through groove 15.

[0028] In this embodiment, it should be noted that a control switch is provided at a suitable position on or beside the material box 3. The hydraulic cylinder 5, the electric push rod 7, the driving motor 20 and the control switch are electrically connected through wires. The control switch can be used to respectively control the energized operation of the hydraulic cylinder 5, the electric push rod 7 and the driving motor 20.

[0029] With the above structure, a feeding mechanism for a precision machining vertical CNC lathe provided by the present utility model can adjust the blanking gap according to different workpiece diameters, and the two leakage grooves 9 can enable the workpieces to automatically slide downwards, facilitating the replenishment of workpieces into the material box 3, saving time and effort, and improving the feeding efficiency. It can also control the two pushing blocks 21 to rotate cyclically, conveying the workpieces falling into the arc-shaped groove 14 to the right, greatly improving the feeding efficiency. During specific use, a plurality of workpieces to be processed are added into the material box 3, and the electric push rod 7 is controlled to contract. When the distance between the adjusting block 8 and the left inner wall of the material box 3 is greater than the diameter of the workpiece, the lowermost workpiece automatically falls into the arc-shaped groove 14. The driving motor 20 is controlled to operate, and the driving motor 20 drives the conveyor belt 19 to rotate, thereby controlling the two pushing blocks 21 to start rotating, and then pushing the fallen workpiece to the right. As the workpiece moves to the right, the upper workpiece starts to fall and is conveyed to the right under the push of the other pushing block 21, greatly improving the feeding efficiency of the workpiece.

[0030] The above are only the specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope recorded in the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the said claims.

Claims

1. A feeding mechanism for a precision machining vertical CNC lathe, characterized in that: The invention comprises a bottom plate (1), two symmetrically distributed vertical plates (2) are fixedly mounted on the top of the bottom plate (1), a same material box (3) is fixedly mounted on the side of the two vertical plates (2) close to each other, a material discharge port (4) is provided at the bottom of the material box (3), an adjustment mechanism for adjusting the discharge diameter is arranged in the material box (3), two symmetrically distributed hydraulic cylinders (5) are fixedly mounted on the top of the bottom plate (1), a same lifting plate (6) is fixedly mounted on the output ends of the two hydraulic cylinders (5), and a feeding mechanism for pushing a workpiece for loading is arranged on the lifting plate (6).

2. The feeding mechanism for a precision machining vertical CNC lathe according to claim 1, characterized in that: The adjustment mechanism comprises an electric push rod (7) and an adjustment block (8), wherein the electric push rod (7) is fixedly mounted on the right inner wall of the material box (3), and the adjustment block (8) is fixedly mounted on the output end of the electric push rod (7) and is in sliding contact with the bottom inner wall of the material box (3), and a material leakage groove (9) is provided on the left side of the adjustment block (8) and the left inner wall of the material box (3).

3. The feeding mechanism for a precision machining vertical CNC lathe according to claim 2, characterized in that: Guide slots (10) are provided on the inner walls on both the front and rear sides of the material box (3), and guide slide blocks (11) are fixedly installed on both the front and rear sides of the adjustment block (8), and the two guide slide blocks (11) are slidably installed in the two guide slots (10) respectively.

4. The feeding mechanism for a precision machining vertical CNC lathe according to claim 1, characterized in that: The feeding mechanism comprises a support box (12), a support seat (13), a U-shaped seat (16), a plurality of rotating shafts (17), a plurality of rollers (18), a conveyor belt (19), a driving motor (20) and two pushing blocks (21); the support box (12) is fixedly mounted on the top of the lifting plate (6); the support seat (13) is fixedly mounted on the top of the support box (12) and is located below the discharge port (4); an arc-shaped groove (14) is formed on the top of the support seat (13); a through groove (15) is formed on the bottom of the arc-shaped groove (14); the U-shaped seat (16) is fixedly mounted on the inner wall of the bottom of the support box (12); and the plurality of rollers (18) are provided on the conveyor belt (19); a driving motor (20) and two pushing blocks (21); The rotating shafts (17) are all rotatably mounted on the U-shaped seat (16) and are evenly distributed. The plurality of rollers (18) are respectively fixedly mounted on the corresponding rotating shafts (17). The conveyor belt (19) is wound around the plurality of rollers (18). The driving motor (20) is fixedly mounted on the right side of the U-shaped seat (16). The output shaft end of the driving motor (20) is fixedly connected to the corresponding rotating shaft (17). The two pushing blocks (21) are both fixedly mounted on the conveyor belt (19) and are symmetrically distributed. One of the pushing blocks (21) is slidably mounted in the through groove (15) and extends to the top of the through groove (15).

5. The feeding mechanism for a precision machining vertical CNC lathe according to claim 4, characterized in that: The arc surface of the arc-shaped groove (14) is a smooth surface.

6. The feeding mechanism for a precision machining vertical CNC lathe according to claim 4, characterized in that: An inspection window is provided on the front side of the support box (12), and an inspection door is detachably mounted on the inspection window by means of bolts.

7. The feeding mechanism for a precision machining vertical CNC lathe according to claim 1, characterized in that: Four moving wheels (22) symmetrically distributed in pairs are rotatably mounted on the bottom of the base plate (1).

8. The feeding mechanism for a precision machining vertical CNC lathe according to claim 1, characterized in that: Four guide rods (23) symmetrically distributed in pairs are fixedly mounted on the top of the bottom plate (1), and the lifting plate (6) is slidably mounted on the four guide rods (23).

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