Automatic feeding device of CNC drilling machine

Abstract

The utility model relates to the technical field of die casting machining, in particular to a CNC drilling machine automatic feeding device which comprises a base and two rotating shafts installed in the base, a pair of conveying assemblies is arranged between the two rotating shafts, the conveying assemblies are connected with the rotating shafts in a sliding mode, a plurality of jacking mechanisms are fixedly installed in the base, and the jacking mechanisms are connected with the rotating shafts in a sliding mode. The conveying assemblies are arranged on the two rotating shafts in a sliding mode, meanwhile, the two jacking plates are arranged on the jacking assemblies in a sliding mode, the adjusting assemblies drive the two conveying assemblies to be synchronously close to or away from each other and drive each pair of jacking plates to be synchronously close to or away from each other at the same time, and the effect of adjusting the distance between the two conveying assemblies and the distance between each pair of jacking plates is achieved. And the effect that the common width of the conveying assembly and each pair of jacking plates is adjusted to adapt to castings with different widths is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to die casting processing technical field especially, relates to a kind of CNC drilling machine automatic feeding device. BACKGROUND

[0002] Die casting needs to be further processed after being pressed, such as surface grinding, drilling, cutting, etc., among which the die casting is moved to the bottom of the CNC drilling machine manually or using a mechanical arm before drilling.

[0003] When general drilling of die casting is needed, manual transportation is time-consuming and laborious, and using a mechanical arm for transportation and fixation has high cost, and routine maintenance is also very troublesome. In the prior art, such as the die casting drilling automatic feeding device disclosed in CN219541762U, a die casting conveying mechanism is used to automatically transport the die casting to the bottom of the drilling mechanism; a lifting drill is used to drill the die casting; a die casting transverse sliding mechanism is located on one side of the top of the die casting conveying mechanism, and the lifting drill is arranged on the die casting transverse sliding mechanism; the die casting transverse sliding mechanism is used to move and adjust the lifting drill horizontally.

[0004] The device can lift the die casting that needs to be processed and the die casting waiting to be processed through the die casting lifting mechanism, which meets the general drilling processing needs of die casting, and has simple structure, low cost and convenient maintenance. However, when feeding die castings with different widths, the fixed conveying belt on both sides cannot be adjusted in distance, and the construction plate width cannot be adjusted, which cannot better adapt to the change of die casting width and has insufficient application range. SUMMARY

[0005] The utility model aims at solving the problems in the prior art that the conveying belt cannot be adjusted in distance, the construction plate width cannot be adjusted, it cannot better adapt to the change of die casting width, and the application range is insufficient, and proposes a CNC drilling machine automatic feeding device.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A CNC drilling machine automatic feeding device is designed, which includes a base and two shafts installed in the base, a pair of conveying assemblies is arranged between the two shafts, and the conveying assemblies are slidingly connected to the shafts.

[0008] A plurality of lifting mechanisms are fixedly installed inside the base, and a pair of lifting plates is installed on the top of each lifting mechanism, and the lifting plates are arranged between the pair of conveying assemblies.

[0009] The adjusting assembly is arranged between the conveying assembly and the jacking plate, and is used to drive the two conveying assemblies and each pair of jacking plates to move synchronously.

[0010] Further, the adjusting assembly comprises a pair of adjusting plates, a moving structure, a pushing structure and a driving mechanism, and the driving mechanism is used to drive the two adjusting plates to move synchronously, and the upper end of each adjusting plate is connected with the conveying assembly and the jacking plate on the same side through the moving structure and the pushing structure.

[0011] Further, the moving structure comprises a pushing ring, a ring groove, a pushing plate, the side surface of the conveying assembly is fixedly connected with two pushing rings, the two pushing rings are respectively sleeved on two rotating shafts, the outer wall of the pushing ring is provided with a ring groove, the top of each adjusting plate is fixedly provided with a pair of pushing plates, and the upper end of each pair of pushing plates is respectively inserted into the two ring grooves on the same side.

[0012] Further, the pushing structure comprises a lifting push rod, the bottom of each jacking plate is fixedly provided with a lifting push rod, and the lower end of the lifting push rod penetrates and is slidably connected with the adjusting plate on the same side.

[0013] Further, the driving mechanism comprises a servo motor mounted on the base, a cross rod fixedly arranged in the base, a driving plate interactively arranged on the pair of cross rods and a positive and negative bidirectional screw rod rotatably arranged in the base, the output shaft of the servo motor is in transmission connection with the positive and negative bidirectional screw rod, the two sections of the outer wall with opposite screw directions of the positive and negative bidirectional screw rod are respectively in threaded connection with the two driving plates, and the top of each driving plate is fixedly connected with the two adjusting plates.

[0014] Further, the jacking mechanism comprises a cylinder, a guide structure and a telescopic plate, the bottom plate of the base is fixedly provided with the cylinder, the upper end of the cylinder is slidably provided with two pairs of telescopic plates through the guide structure, the top of each pair of telescopic plates is fixedly provided with a jacking plate, and the two jacking plates are respectively located at the right end of the inner telescopic plate and the left end of the outer telescopic plate.

[0015] Further, the guide structure comprises a jacking plate fixedly arranged at the upper end of the cylinder, a sliding groove, a limiting groove and a limiting column welded on both sides of the telescopic plate, the top of the jacking plate is provided with two pairs of sliding grooves, each pair of sliding grooves is slidably provided with a telescopic plate, the side wall of each sliding groove is provided with a limiting groove, and the limiting column is slidably arranged in the limiting groove.

[0016] Further, the conveying assembly comprises a pair of restraint shafts fixedly connected with the adjusting assembly and a conveying belt mounted on the pair of restraint shafts, and the restraint shaft is sleeved on the rotating shaft, the outer wall of the rotating shaft is fixedly provided with a guide rail, the inner wall of the restraint shaft is provided with a guide groove, and the guide rail is slidably arranged in the guide groove.

[0017] The utility model provides a kind of CNC drilling machine automatic feeding device, beneficial effect lies in: by the transmission component sliding being set on the two rotating shafts simultaneously with two jacking plates sliding being set on jacking assembly, by adjusting component driving two transmission components synchronous approach or away simultaneously with each pair of jacking plate synchronous approach or away, the effect of adjusting the distance between two transmission components and the distance between each pair of jacking plate, and reach the effect of adapting different width castings by adjusting transmission component and each pair of jacking plate common width. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is the jacking assembly structural schematic diagram of the utility model;

[0020] Figure 3 It is the A area enlarged view of the utility model;

[0021] Figure 4 It is the push ring structural schematic diagram of the utility model.

[0022] In the drawing: 1, base;2, rotating shaft;3, transmission component;31, restraint shaft;32, conveying belt;4, jacking mechanism;41, air cylinder;42, guide structure;421, jacking plate;422, sliding groove;423, limiting groove;424, limiting column;43, telescopic plate;5, jacking plate;6, adjusting component;61, adjusting plate;62, driving mechanism;621, servo motor;622, cross bar;623, driving plate;624, positive and negative bidirectional screw;63, moving structure;631, push ring;632, ring groove;633, push plate;64, pushing structure;641, lifting push rod;7, guide rail. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Reference Figures 1-4 A kind of CNC drilling machine automatic feeding device, including base 1 and the two rotating shafts 2 of being installed in base 1, a pair of transmission components 3 are equipped between two rotating shafts 2, transmission component 3 is slidably connected rotating shaft 2;

[0025] The restraint shaft 31 of one of transmission component 3 can drive conveying belt 32 to slide left and right on rotating shaft 2, the top of base 1 is fixed with a pair of hollow plates, and motor is installed on the side surface of hollow plate, hollow plate is used to rotatably install rotating shaft 2, motor drives rotating shaft 2 to rotate to make it drive restraint shaft 31 to rotate and make it drive conveying belt 32 to transport casting.

[0026] The base 1 is internally fixedly installed with several jacking mechanisms 4, and the top of each jacking mechanism 4 is installed with a pair of jacking plates 5, which are arranged between a pair of conveying assemblies 3;

[0027] By replacing the existing construction plate with two adjustable spacing jacking plates 5 to lift the casting, the conveying assembly 3 transports the casting above a pair of jacking plates 5, and then drives the jacking plates 5 to rise to contact the casting and fix the casting by the electromagnet on the top of the jacking plate 5, and then continues to rise the jacking plate 5 to lift the casting to the bottom of the CNC drilling machine installed on the hollow plate, and then the CNC drilling machine is used to drill the casting;

[0028] The conveying assembly 3 and the jacking plate 5 are provided with an adjusting assembly 6, and the adjusting assembly 6 is used to drive the two conveying assemblies 3 and each pair of jacking plates 5 to move synchronously;

[0029] In this embodiment, the two conveying assemblies 3 are driven by the adjusting assembly 6 to move synchronously to approach or move away, so as to change the spacing between the two conveying assemblies 3 and adjust the common width to convey castings of different widths, and each pair of jacking plates 5 is driven by the adjusting assembly 6 to move synchronously to approach or move away, so as to change the spacing between each pair of jacking plates 5 and adjust the common width to lift the castings of different widths.

[0030] The adjusting assembly 6 comprises a pair of adjusting plates 61, a moving structure 63, a pushing structure 64 and a driving mechanism 62, and the driving mechanism 62 is used to drive the two adjusting plates 61 to move synchronously, and the upper end of each adjusting plate 61 is connected with the conveying assembly 3 and the jacking plate 5 on the same side through the moving structure 63 and the pushing structure 64;

[0031] In this embodiment, the two adjusting plates 61 are driven by the driving mechanism 62 to move, so that the two adjusting plates 61 drive the conveying assembly 3 and the jacking plate 5 on one side to move synchronously through the moving structure 63 and the pushing structure 64, so as to achieve the effect of simultaneously adjusting the spacing between the two conveying assemblies 3 and the spacing between each pair of jacking plates 5.

[0032] The moving structure 63 comprises a push ring 631, a ring groove 632 and a push plate 633, the side surface of the conveying assembly 3 is fixedly connected with two push rings 631, and the two push rings 631 are respectively sleeved on the two shafts 2, the outer wall of the push ring 631 is provided with the ring groove 632, and the top of each adjusting plate 61 is fixedly provided with a pair of push plates 633, and the upper end of each pair of push plates 633 is inserted into the two ring grooves 632 on the same side;

[0033] In the embodiment, the two adjusting plates 61 move synchronously towards or away from each other, thereby driving the two pairs of push plates 633 on the two sides to move synchronously, and then the two pairs of push plates 633 drive the two push rings 631 to move synchronously towards or away from each other. When the conveying assembly 3 is conveying the casting, the upper end of the push plate 633 rotates relative to the push ring 631 in the ring groove 632 of the push ring 631 rotating with the restraint shaft 31.

[0034] The pushing structure 64 comprises lifting push rods 641, and the bottom of each lifting plate 5 is fixedly provided with a lifting push rod 641, and the lower end of the lifting push rod 641 penetrates and is slidingly connected to the adjusting plate 61 on the same side.

[0035] In the embodiment, the two adjusting plates 61 move synchronously towards or away from each other, thereby driving the two pairs of push plates 633 on the two sides to move synchronously, and then the two pairs of push plates 633 drive the two push rings 631 to move synchronously towards or away from each other. When the conveying assembly 3 is conveying the casting, the upper end of the push plate 633 rotates relative to the push ring 631 in the ring groove 632 of the push ring 631 rotating with the restraint shaft 31.

[0036] The driving mechanism 62 comprises a servo motor 621 mounted on the base 1, a cross rod 622 fixedly arranged in the base 1, a driving plate 623 arranged on the cross rod 622, and a positive and negative bidirectional screw rod 624 rotatably arranged in the base 1. The output shaft of the servo motor 621 is drivingly connected to the positive and negative bidirectional screw rod 624, and the two sections of the outer wall of the positive and negative bidirectional screw rod 624 with opposite screw directions are respectively threadedly connected to the two driving plates 623. The top portions of the pair of driving plates 623 are respectively fixedly connected to the two adjusting plates 61.

[0037] In the embodiment, the servo motor 621 drives the positive and negative bidirectional screw rod 624 to rotate, thereby driving the two driving plates 623 to move synchronously on the two cross rods 622 through the opposite threads on the outer wall of the positive and negative bidirectional screw rod 624, so that the two driving plates 623 drive the two adjusting plates 61 to move synchronously towards or away from each other.

[0038] The lifting mechanism 4 comprises a cylinder 41, a guide structure 42, and a telescopic plate 43. The cylinder 41 is fixedly arranged on the bottom plate of the base 1. The cylinder 41 is slidingly connected to the two pairs of telescopic plates 43 through the guide structure 42. The two pairs of telescopic plates 43 are respectively fixedly provided with the lifting plates 5. The two lifting plates 5 are respectively located at the right end of the inner telescopic plate 43 and the left end of the outer telescopic plate 43.

[0039] In the embodiment, the cylinder 41 drives the telescopic plate 43 to lift through the guide structure 42, thereby supporting and driving the lifting plate 5 to lift through the telescopic plate 43 which can only move left and right on the top of the cylinder 41. At the same time, the telescopic plate 43 can move left and right on the top of the cylinder 41 along with the lifting plate 5 driven by the adjusting assembly 6 to move, so that each pair of lifting plates 5 can change the distance between them while lifting along with the cylinder 41.

[0040] The guide structure 42 comprises a jacking plate 421 fixed on the upper end of the cylinder 41, a sliding groove 422, a limiting groove 423 and limiting columns 424 welded on both sides of the telescopic plate 43, the top of the jacking plate 421 is provided with two pairs of sliding grooves 422, and the telescopic plate 43 is slidingly installed in each pair of sliding grooves 422, and the side wall of each sliding groove 422 is provided with a limiting groove 423, and the limiting column 424 is slidingly arranged in the limiting groove 423;

[0041] In the embodiment, the telescopic plate 43 is limited in the sliding groove 422 and can only move left and right in the sliding groove 422 and cannot completely separate from the sliding groove 422 through the cooperation of the limiting groove 423 and the limiting column 424, so that the telescopic plate 43 can support the jacking plate 5 while moving.

[0042] The conveying assembly 3 comprises a pair of binding shafts 31 fixedly connected with the adjusting assembly 6 and a conveying belt 32 installed on the pair of binding shafts 31, and the binding shaft 31 is sleeved on the rotating shaft 2, the outer wall of the rotating shaft 2 is fixedly provided with a guide rail 7, the inner wall of the binding shaft 31 is provided with a guide groove, and the guide rail 7 is slidingly arranged in the guide groove;

[0043] In the embodiment, the outer ring groove is formed in each pair of binding shafts 31 located on one side and on the two rotating shafts 2 at the same time, the conveying belt 32 is installed in the two outer ring grooves on one side and prevented from moving left and right and separating from the binding shaft 31 through the outer ring groove, the concave groove and the guide rail 7 are matched, so that the rotating shaft 2 can drive the binding shaft 31 to rotate through the concave groove and the guide rail 7, thereby driving the conveying belt 32 to convey the castings through the rotation of the binding shaft 31, so that the distance between the conveying assemblies 3 can be adjusted left and right under the premise of ensuring the conveying function of the conveying assembly 3.

[0044] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A CNC drilling machine automatic feeding device, comprising a base (1) and two rotating shafts (2) installed in the base (1), characterized in that: A pair of transmission assemblies (3) are arranged between the two rotating shafts (2) and are slidingly connected to the rotating shafts (2); A plurality of jacking mechanisms (4) are fixedly arranged inside the base (1), and a pair of jacking plates (5) are arranged on the top of each jacking mechanism (4) and are arranged between a pair of transmission assemblies (3); Adjusting assemblies (6) are arranged between the transmission assemblies (3) and the jacking plates (5) and are used to drive the two transmission assemblies (3) and each pair of jacking plates (5) to move synchronously.

2. The automatic feeding device of a CNC drilling machine according to claim 1, characterized in that: The adjusting assembly (6) comprises a pair of adjusting plates (61), a moving structure (63), a pushing structure (64) and a driving mechanism (62), the driving mechanism (62) is used to drive the two adjusting plates (61) to move synchronously, and the upper end of each adjusting plate (61) is connected to the transmission assembly (3) and the jacking plate (5) on the same side through the moving structure (63) and the pushing structure (64).

3. The automatic feeding device of a CNC drilling machine according to claim 2, characterized in that: The moving structure (63) comprises a push ring (631), a ring groove (632) and a push plate (633), two push rings (631) are fixedly connected to the side surface of the transmission assembly (3), the two push rings (631) are respectively sleeved on the two rotating shafts (2), the outer wall of the push ring (631) is provided with a ring groove (632), and a pair of push plates (633) are fixedly arranged on the top of each adjusting plate (61), and the upper end of each pair of push plates (633) is inserted into the two ring grooves (632) on the same side.

4. The automatic feeding device of a CNC drilling machine according to claim 2, characterized in that: The pushing structure (64) comprises a lifting push rod (641), and the bottom of each jacking plate (5) is fixedly provided with a lifting push rod (641), and the lower end of the lifting push rod (641) penetrates and slidingly connects the adjusting plate (61) on the same side.

5. The automatic feeding device of a CNC drilling machine according to claim 2, characterized in that: The driving mechanism (62) comprises a servo motor (621) arranged on the base (1), a cross bar (622) fixedly arranged in the base (1), a driving plate (623) arranged on a pair of cross bars (622) and a positive and negative bidirectional screw rod (624) rotatably arranged in the base (1), the output shaft of the servo motor (621) is in transmission connection with the positive and negative bidirectional screw rod (624), the outer walls of the two sections of the positive and negative bidirectional screw rod (624) with opposite screw directions are respectively in threaded connection with the two driving plates (623), and the top of a pair of driving plates (623) is fixedly connected with the two adjusting plates (61).

6. The automatic feeding device of a CNC drilling machine according to claim 1, characterized in that: The jacking mechanism (4) comprises a gas cylinder (41), a guide structure (42) and a telescopic plate (43), the bottom plate of the base (1) is fixedly provided with the gas cylinder (41), the upper end of the gas cylinder (41) is slidingly provided with two pairs of telescopic plates (43) through the guide structure (42), the top of each pair of telescopic plates (43) is fixedly provided with a jacking plate (5), and the two jacking plates (5) are respectively located at the right end of the inner telescopic plate (43) and the left end of the outer telescopic plate (43).

7. The automatic feeding device of a CNC drilling machine according to claim 6, characterized in that: The guide structure (42) includes a jacking plate (421) fixed on the upper end of the cylinder (41), a sliding groove (422), a limiting groove (423) and a limiting column (424) welded on both sides of the telescopic plate (43), the top of the jacking plate (421) is provided with two pairs of sliding grooves (422), the telescopic plate (43) is slidably arranged in each pair of sliding grooves (422), the side wall of each sliding groove (422) is provided with a limiting groove (423), and the limiting column (424) is slidably arranged in the limiting groove (423).

8. The automatic feeding device of a CNC drilling machine according to claim 1, characterized in that: The conveying assembly (3) comprises a pair of binding shafts (31) fixedly connected with the adjusting assembly (6) and a conveying belt (32) installed on the pair of binding shafts (31), the binding shaft (31) is sleeved on the rotating shaft (2), the outer wall of the rotating shaft (2) is fixedly provided with a guide rail (7), the inner wall of the binding shaft (31) is provided with a guide groove, and the guide rail (7) is slidably arranged in the guide groove.

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