Feeding mechanism for vertical machining center

Abstract

The feeding mechanism for the vertical machining center comprises a moving seat, the moving seat is provided with a mounting plate through a lifting assembly, a first rotating motor is fixedly arranged on the front side of the mounting plate, a first screw is fixedly arranged at the output end of the first rotating motor, and a second screw is fixedly arranged at the output end of the first screw. Two moving blocks are arranged on the surface of the first screw in a threaded mode, a mounting frame is arranged below the mounting plate, a variable-pitch shaft is rotationally arranged in the mounting frame, a cam groove is formed in the surface of the variable-pitch shaft, and the variable-pitch shaft is provided with a cam follower in a matched mode through the cam groove; according to the device, the distance between the multiple vacuum suction nozzles can be adjusted according to the area of a plate needing to be fed, so that the vacuum suction nozzles can clamp hardware plates with different areas, replacement of different suction nozzle structures is avoided, the practicability of the device is improved, and meanwhile the overall feeding speed of the vertical machining center is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing center technical field especially relates to a loading mechanism for vertical processing center. BACKGROUND

[0002] Vertical processing center is a kind of automatic metal cutting machine tool.Its main shaft is vertically arranged, and through the accurate movement control of X, Y, Z axis, milling, drilling, boring, tapping and other multi-process processing can be completed in one clamping.It is suitable for die, mechanical parts and other manufacturing, has high precision, high efficiency characteristics, can effectively improve processing quality and production efficiency, and is widely used in manufacturing industry.

[0003] When vertical processing center processes large hardware sheet, hardware sheet needs to be placed on processing table first, and the existing vertical processing center adopts manual carrying method when placing small hardware sheet on processing table, and loading mechanism is used to assist loading for large hardware sheet.

[0004] The loading mechanism for vertical processing center generally uses vacuum suction nozzle to fix hardware sheet on mechanical arm, then moves hardware sheet to processing table through base moving device with moving wheel, but the position of vacuum suction nozzle of the existing loading mechanism is fixed, cannot adjust position according to the area of hardware sheet, so different vacuum suction nozzle mechanisms need to be replaced when fixing hardware sheet of different areas, which is very inconvenient to use, and influences the loading speed of vertical processing center. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a loading mechanism for vertical processing center to solve the problems in the background.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a feeding mechanism for vertical machining center, including mobile seat, the top of mobile seat is provided with lifting assembly, mobile seat is provided with mounting plate through lifting assembly, the front side of mounting plate is fixedly provided with first rotary motor, the output of first rotary motor is fixedly provided with first screw rod, the surface of first screw rod is provided with two moving blocks, the below of mounting plate is provided with mounting frame, the bottom of mounting plate and the middle mounting frame are fixedly connected, the front side and rear side mounting frame and moving block are fixedly connected, the inside of mounting frame is rotatably provided with variable pitch shaft, the surface of variable pitch shaft is provided with cam groove, the variable pitch shaft is matched with cam follower through cam groove, the surface of cam follower is fixedly provided with guide block, the inside of mounting frame is fixedly provided with guide rod, guide block and guide rod are slidably connected, the bottom of guide block is provided with fixed assembly, the surface of mounting plate is provided with drive assembly.

[0008] Preferably, the lifting assembly includes a stand fixedly provided on the top of the mobile seat, a second rotary motor fixedly provided on the top of the stand, a second screw rod fixedly provided on the output of the second rotary motor, and a moving frame threadedly provided on the surface of the second screw rod, the moving frame being fixedly connected with the mounting plate.

[0009] Preferably, the fixed assembly includes a connecting block fixedly provided on the bottom of the guide block, a vacuum nozzle fixedly provided on the bottom of the connecting block, a gas delivery tube fixedly provided on the gas outlet of the vacuum nozzle, and a vacuum generator fixedly provided on the gas outlet of the gas delivery tube, the vacuum generator being fixedly connected with the top of the mounting plate.

[0010] Preferably, the drive assembly includes a third rotary motor fixedly provided on the front side of the mounting plate, a drive rod fixedly provided on the output of the third rotary motor, a groove formed on the surface of the drive rod, a connecting sleeve movably provided on the surface of the groove, the connecting sleeve being rotatably connected with the mounting frame, a worm fixedly provided on the surface of the connecting sleeve, a worm wheel meshingly provided on the surface of the worm, and the worm wheel being fixedly connected with the variable pitch shaft.

[0011] Preferably, the first screw rod has two types of threads with opposite directions.

[0012] Preferably, the number of cam followers is multiple, and the multiple cam followers are linearly distributed.

[0013] Preferably, the number of vacuum nozzles is multiple, and the multiple vacuum nozzles are rectangularly arrayed.

[0014] Compared with the prior art, the feeding mechanism for the vertical machining center has the beneficial effects that: the first rotary motor is started to drive the first screw rod to rotate, and then drive the two moving blocks on the surface of the first screw rod to move, the movement of the moving blocks makes the two mounting frames on the front side and the rear side move synchronously, thereby changing the distance between the vacuum nozzles distributed in front and back through the moving mounting frames, and at the same time, the driving assembly is used to make the variable-pitch shaft rotate, so that the cam follower slides along the cam groove, the movement of the cam follower drives the guide block to move on the guide rod, and the movement of the guide block drives the vacuum nozzles on the same variable-pitch shaft to expand or contract left and right through the connecting block, the device can adjust the distance between the multiple vacuum nozzles according to the size of the plate material to be fed, so that the vacuum nozzles can clamp hardware plates with different areas, the different nozzle structures are avoided to be replaced, the practicability of the device is improved, and the overall feeding speed of the vertical machining center is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view of the structure of the utility model;

[0016] Figure 2 It is the front view of the structure of the utility model;

[0017] Figure 3 It is the front view of the structure of the utility model;

[0018] Figure 4 It is the front view of the structure of the utility model;

[0019] Figure 5 It is the front view of the structure of the utility model; Figure 2 It is the front view of the structure of the utility model;

[0020] Figure 6 It is the front view of the structure of the utility model; Figure 4 It is the front view of the structure of the utility model.

[0021] In the drawing: 1, moving seat; 2, stand; 3, second rotary motor; 4, second screw rod; 5, moving frame; 6, mounting plate; 7, first rotary motor; 8, first screw rod; 9, mounting frame; 10, variable-pitch shaft; 11, cam follower; 12, guide block; 13, guide rod; 14, connecting block; 15, vacuum nozzle; 16, gas conveying pipe; 17, vacuum generator; 18, third rotary motor; 19, driving rod; 20, groove; 21, connecting sleeve; 22, worm; 23, moving block; 24, worm gear. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] With reference to Figures 1-6 The utility model provides a feeding mechanism for vertical machining center, including mobile seat 1, the top of mobile seat 1 is provided with lifting assembly, mobile seat 1 is provided with mounting plate 6 through lifting assembly, the front side fixed setting of mounting plate 6 is provided with first rotary motor 7, the output of first rotary motor 7 is fixedly provided with first screw rod 8, the surface of first screw rod 8 is provided with two kinds of threads, and the rotation direction of two kinds of threads is opposite, and two kinds of threads with different rotation directions can make two moving blocks 23 approach or move away from each other when first screw rod 8 rotates, the surface of first screw rod 8 is provided with two moving blocks 23, the below of mounting plate 6 is provided with mounting bracket 9, the bottom fixed connection of mounting bracket 9 in the middle and mounting plate 6, the front side and rear mounting bracket 9 and moving block 23 fixed connection, the inside rotation of mounting bracket 9 is provided with variable pitch shaft 10, the surface of variable pitch shaft 10 is provided with cam groove, variable pitch shaft 10 is provided with cam follower 11 through cam groove cooperation, the number of cam follower 11 is multiple, and multiple cam followers 11 are linearly distributed, and multiple cam followers 11 can drive multiple guide blocks 12 to move on guide rod 13, the surface of cam follower 11 is fixedly provided with guide block 12, the inside fixed setting of mounting bracket 9 is provided with guide rod 13, guide block 12 and guide rod 13 are slidably connected, the bottom of guide block 12 is provided with fixed assembly, the surface of mounting plate 6 is provided with drive assembly, the feeding mechanism for vertical machining center, starts first rotary motor 7, drives first screw rod 8 to rotate, and then drives the movement of the two moving blocks 23 on its surface, and the synchronous movement of the two mounting brackets 9 on the front side and the rear side is realized by the movement of the moving block 23, so that the distance between the vacuum nozzles 15 distributed in front and back is changed by the moving mounting bracket 9, and the variable pitch shaft 10 is rotated by the drive assembly, so that the cam follower 11 slides along the cam groove, the movement of the cam follower 11 drives the guide block 12 to move on the guide rod 13, and the guide block 12 moves to drive the vacuum nozzle 15 on the same variable pitch shaft 10 to expand or contract, the device can adjust the distance between multiple vacuum nozzles 15 according to the size of the plate material to be fed, so that the vacuum nozzle 15 can clamp hardware plates of different areas, avoid replacing different nozzle structures, improve the practicability of the device, and improve the overall feeding speed of the vertical machining center.

[0024] Specifically, the lifting assembly comprises a column 2 fixedly arranged at the top of the moving base 1, the top of the column 2 is fixedly provided with a second rotary motor 3, the output end of the second rotary motor 3 is fixedly provided with a second screw rod 4, the surface of the second screw rod 4 is screwedly provided with a moving frame 5, the moving frame 5 is fixedly connected with the mounting plate 6, the second rotary motor 3 is started, the second screw rod 4 is driven to rotate, the second screw rod 4 rotates to drive the moving frame 5 to move, the moving frame 5 moves to drive the mounting plate 6 to move, the mounting plate 6 moves to change the height of the vacuum nozzles 15 below the mounting plate 6, and then the hardware plate can be conveyed to the machining table at different heights or the hardware plate can be taken from the platform at different heights.

[0025] Specifically, the fixing assembly comprises a connecting block 14 fixedly arranged at the bottom of the guide block 12, the bottom of the connecting block 14 is fixedly provided with the vacuum nozzles 15, the gas outlet end of the vacuum nozzles 15 is fixedly provided with a gas conveying pipe 16, the gas outlet end of the gas conveying pipe 16 is fixedly provided with a vacuum generator 17, the vacuum generator 17 is fixedly connected with the top of the mounting plate 6, the number of the vacuum nozzles 15 is multiple, and the multiple vacuum nozzles 15 are arranged in a rectangular array, the vacuum generator 17 is started, the gas between the vacuum nozzles 15 and the hardware plate is sucked away through the gas conveying pipe 16, and the hardware plate is adsorbed on the surface of the vacuum nozzles 15, and the multiple vacuum nozzles 15 enhance the fixing effect on the hardware plate.

[0026] Specifically, the driving assembly comprises a third rotary motor 18 fixedly arranged at the front side of the mounting plate 6, the output end of the third rotary motor 18 is fixedly provided with a driving rod 19, the surface of the driving rod 19 is provided with a groove 20, the surface of the groove 20 is movably provided with a connecting sleeve 21, the connecting sleeve 21 is rotatably connected with the mounting bracket 9, the surface of the connecting sleeve 21 is fixedly provided with a worm 22, the surface of the worm 22 is meshingly provided with a worm wheel 24, the worm wheel 24 is fixedly connected with the variable pitch shaft 10, the third rotary motor 18 is started, the driving rod 19 rotates, the driving rod 19 rotates to drive the connecting sleeve 21 to rotate, the connecting sleeve 21 rotates to drive the worm 22 to rotate, the worm 22 rotates to drive the worm wheel 24 to rotate, the worm wheel 24 rotates to drive the variable pitch shaft 10 to rotate, and the multiple variable pitch shafts 10 are simultaneously driven to rotate, and meanwhile the connecting sleeve 21 and the worm 22 move on the driving rod 19 when the mounting bracket 9 moves forward and backward, so that the driving rod 19 does not affect the movement of the connecting sleeve 21 and the worm 22, and the connecting sleeve 21 can be driven to rotate.

[0027] The electrical components in the text are all electrically connected with the main controller and 220V mains, and the main controller can be a conventional known device such as a computer.

[0028] In use: first according to the area of the metal sheet, start the first rotary motor 7, so that the first screw rod 8 rotates, the first screw rod 8 rotates so that the two moving blocks 23 on its surface move, the moving blocks 23 move drive the front and rear two mounting frames 9 to move, the front and rear two mounting frames 9 move so that the distance between the front and rear distributed vacuum nozzles 15 changes, then start the third rotary motor 18, so that the driving rod 19 rotates, the driving rod 19 rotates through the groove 20 to make the connecting sleeve 21 rotate, the connecting sleeve 21 rotates drive the worm 22 to rotate, the worm 22 rotates so that the worm wheel 24 rotates, the worm wheel 24 rotates drive the variable-pitch shaft 10 to rotate, the variable-pitch shaft 10 rotates so that the cam follower 11 moves on the cam groove, the cam follower 11 moves drive the guide block 12 to move on the guide rod 13, the guide block 12 moves through the connecting block 14 drive the vacuum nozzle 15 on the same variable-pitch shaft 10 to expand or contract left and right, start the second rotary motor 3, drive the second screw rod 4 to rotate, the second screw rod 4 rotates so that the moving frame 5 moves, the moving frame 5 moves drive the mounting plate 6 to move, the mounting plate 6 moves so that the mounting frame 9 below it moves, the mounting frame 9 moves so that the vacuum nozzle 15 moves, so that the vacuum nozzle 15 and the surface of the metal sheet are in contact, start the vacuum generator 17, through the gas pipe 16, the gas between the vacuum nozzle 15 and the metal sheet is sucked away, so that the metal sheet is adsorbed on the surface of the vacuum nozzle 15, then move the device to the processing table surface of the vertical machining center through the moving seat 1, place the metal sheet on the processing table surface, then the vacuum nozzle 15 no longer generates suction, that is, the fixation of the metal sheet can be cancelled.

[0029] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A loading mechanism for a vertical machining center, comprising a movable base (1), characterized in that, A lifting assembly is provided on the top of the movable seat (1). A mounting plate (6) is provided on the movable seat (1) via the lifting assembly. A first rotary motor (7) is fixedly provided on the front side of the mounting plate (6). A first screw (8) is fixedly provided on the output end of the first rotary motor (7). Two moving blocks (23) are threaded on the surface of the first screw (8). A mounting frame (9) is provided below the mounting plate (6). The middle mounting frame (9) is fixedly connected to the bottom of the mounting plate (6). The front and rear mounting frames (9) and moving blocks (23) are fixedly connected. 3) Fixed connection: The mounting bracket (9) is rotatably provided with a variable pitch shaft (10). The surface of the variable pitch shaft (10) is provided with a cam groove. The variable pitch shaft (10) is provided with a cam follower (11) through the cam groove. The surface of the cam follower (11) is fixedly provided with a guide block (12). The mounting bracket (9) is fixedly provided with a guide rod (13). The guide block (12) and the guide rod (13) are slidably connected. The bottom of the guide block (12) is provided with a fixing component. The surface of the mounting plate (6) is provided with a driving component.

2. The feeding mechanism for a vertical machining center according to claim 1, characterized in that, The lifting assembly includes a column (2) fixedly installed on the top of the movable seat (1), a second rotary motor (3) fixedly installed on the top of the column (2), a second screw (4) fixedly installed at the output end of the second rotary motor (3), a movable frame (5) threaded on the surface of the second screw (4), and the movable frame (5) and the mounting plate (6) fixedly connected.

3. The feeding mechanism for a vertical machining center according to claim 1, characterized in that, The fixing component includes a connecting block (14) fixedly disposed at the bottom of the guide block (12), a vacuum nozzle (15) fixedly disposed at the bottom of the connecting block (14), an air supply pipe (16) fixedly disposed at the outlet end of the vacuum nozzle (15), a vacuum generator (17) fixedly disposed at the outlet end of the air supply pipe (16), and the vacuum generator (17) and the top of the mounting plate (6) are fixedly connected.

4. The feeding mechanism for a vertical machining center according to claim 1, characterized in that, The drive assembly includes a third rotary motor (18) fixedly mounted on the front side of the mounting plate (6). A drive rod (19) is fixedly mounted on the output end of the third rotary motor (18). A groove (20) is provided on the surface of the drive rod (19). A connecting sleeve (21) is movably mounted on the surface of the groove (20). The connecting sleeve (21) is rotatably connected to the mounting bracket (9). A worm (22) is fixedly mounted on the surface of the connecting sleeve (21). A worm wheel (24) is meshed on the surface of the worm (22). The worm wheel (24) is fixedly connected to the variable pitch shaft (10).

5. The feeding mechanism for a vertical machining center according to claim 1, characterized in that, The surface of the first screw (8) has two kinds of threads, and the two threads have opposite directions of rotation.

6. The feeding mechanism for a vertical machining center according to claim 1, characterized in that, The number of cam followers (11) is multiple, and the multiple cam followers (11) are arranged in a linear shape.

7. The feeding mechanism for a vertical machining center according to claim 3, characterized in that, The number of vacuum nozzles (15) is multiple, and the multiple vacuum nozzles (15) are distributed in a rectangular array.

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