CN112676601A

CN112676601A - Full-automatic drilling machine tool

Info

Publication number: CN112676601A
Application number: CN202110015529.0A
Authority: CN
Inventors: 彭旭辉; 孙靖; 孙文清
Original assignee: Hunan Hongtuo Precision Manufacturing Co Ltd
Current assignee: Hunan Hongtuo Precision Manufacturing Co Ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-04-20

Abstract

Full-automatic drilling machine tool, relate to the machine tooling technology field, it includes the lathe seat, be equipped with the drill jig of back-and-forth movement on the lathe seat, the front side of drill jig is equipped with and is used for the clamping work piece and drives work piece pivoted chuck, be equipped with feed mechanism between drill jig and the chuck, be equipped with a pivot on the lathe seat, the pivot transmission is connected with the pivot motor, the drill jig is installed on a slide, install on the lathe seat with slide matched with slide rail and be used for pushing away the main spring that supports the slide and move backward, the right side of slide is equipped with first lug, coaxial arrangement has the rotary drum in the pivot, the annular is provided with the step face on the outer peripheral face of rotary drum, first lug is supported backward under the effort of main spring and is supported in the step face, the step face includes one section plane and connection plane both ends. The automatic feeding device can realize automation of feeding, retracting and discharging, thereby improving the production efficiency to a great extent.

Description

Full-automatic drilling machine tool

Technical Field

The invention relates to the technical field of machining, in particular to a full-automatic drilling machine tool.

Background

In the field of machining, drilling is a common procedure, machining for drilling a central hole in a pin body is common, the conventional drilling machining mode is to clamp the pin body into a chuck one by one, then a cutter is fed to drill the hole, and the pin body is dismounted from the chuck one by one after the drilling is finished.

Disclosure of Invention

The invention aims to provide a full-automatic drilling machine tool, which realizes automation of feeding, retracting and blanking, thereby improving the production efficiency to the greatest extent.

In order to solve the technical problems, the invention adopts the following technical scheme: the full-automatic drilling machine tool comprises a machine tool base, wherein a drill capable of moving back and forth is arranged on the machine tool base, a chuck used for clamping a workpiece and driving the workpiece to rotate is arranged on the front side of the drill, a feeding mechanism is arranged between the drill and the chuck, a rotating shaft is arranged on the machine tool base, and the rotating shaft is in transmission connection with a rotating shaft motor.

The drill bit is installed on a slide, install on the lathe seat with slide matched with slide and be used for pushing away the main spring that supports the slide and move backward, the right side of slide is equipped with first lug, coaxial arrangement has the rotary drum in the pivot, the annular is provided with the step face on the outer peripheral face of rotary drum, first lug supports backward under the effort of main spring and leans on in the step face, the step face includes one section plane and connection plane both ends and one section arcwall face that extends backward, the pivot can drive the rotary drum and rotate, so that first lug supports and leans on plane or arcwall face, thereby makes the slide moves forward and holding position or moves backward.

The feed mechanism includes articulated pendulum rod on the machine tool seat, installs the material loading piece in the pendulum rod upper end and connects in the extension spring that the pendulum rod bottom was used for the pulling pendulum rod, coaxial arrangement has the wheel piece in the pivot, the rear side of pendulum rod is equipped with the second lug that leans on in the wheel piece side, the wheel piece is equipped with the breach, the pivot can drive the wheel piece and rotate, so that the second lug supports and leans on in the side or the breach of wheel piece, thereby makes the pendulum rod lifts the material loading piece, or makes the pendulum rod is by the extension spring pulling so that the material loading piece swings to the chuck rear side left.

The upper part of the upper material block is provided with a trough used for placing a plurality of workpieces to be processed, the bottom end of the trough is opened for discharging, the top end of the upper material block is provided with an arc-shaped surface which is abutted against the workpiece at the bottommost part of the trough to prevent the workpiece from falling off, the left side of the top end of the upper material block is provided with a clamping groove which can be aligned with the bottom end opening of the trough, a workpiece can fall into the clamping groove, the front end of the clamping groove is opened and can be aligned with the center of a chuck, the rear end of the clamping groove is provided with a push rod used for pushing the workpiece into the chuck, the middle part of the push rod is hinged with a swing rod, the right side of the machine tool seat is fixedly connected with an installation block, the installation block is provided with a driving rod used for pushing against the bottom of the push rod in a penetrating manner, the rear end of the driving rod penetrates through the installation block and is abutted, the coaxial arrangement has the rim plate in the pivot, be equipped with the third lug that can push against the actuating lever on the rear end face of rim plate, work as when the pivot drove the rim plate and rotates, the third lug can push against the actuating lever backward, so that the push rod swing promotes the work piece, perhaps when the third lug breaks away from the actuating lever, the actuating lever can be under compression spring's effort and support the rear end face of rim plate, so that the push rod resets.

The workpiece blanking device is characterized in that the chuck is in transmission connection with a chuck motor, the front end of the chuck is further connected with an air cylinder, the air cylinder can pull the chuck forwards to enable the chuck to clamp a workpiece, or the air cylinder can push the chuck backwards to enable the chuck to loosen the workpiece to carry out blanking, the chuck is arranged in the chuck seat, and the chuck seat is connected to the guide rail and can move back and forth along the guide rail.

Preferably, the arc-shaped surface at the top end of the upper block is a smooth surface, and the radian of the arc-shaped surface is at least 45 degrees.

More preferably, the right side of the machine tool seat is provided with a limit block which can abut against the left side of the swing rod.

More preferably, an L-shaped fixing rod is installed on the right side of the machine tool seat, and the upper end of the fixing rod is inclined to the right and connected with one end of the tension spring.

More preferably, the rotating shaft motor is arranged on the right side of the rotating shaft, and the rotating shaft motor is in transmission connection with the rotating shaft through a gear reducer.

More preferably, the notch of the wheel plate comprises a section of convex arc notch surface and a section of concave arc notch surface, and the wheel plate rotates clockwise and can enable the convex arc notch surface and the concave arc notch surface to contact the second bump in sequence.

The invention has the beneficial effects that: the rotary drum, the wheel plate and the wheel disc are driven to rotate through the rotary shaft, the drill cutter can be driven to move, the feeding block can be driven to swing, and the push rod can be driven to swing respectively, so that the processes of feeding, retracting and feeding are simply realized through the mechanical transmission structure, the air cylinder is recycled for discharging, the highly automatic drilling process is further completed, too many intelligent control modes are not needed, the equipment cost can be reduced, and the production efficiency can be improved to a great extent.

Drawings

FIG. 1 is a schematic overall structure diagram in an embodiment of the present invention;

FIG. 2 is a schematic diagram of the position relationship of the swing link, the push rod and the driving rod in the embodiment.

The reference signs are:

1-machine tool seat 2-drill bit 2 a-sliding seat

2 b-slide rail 2 c-first projection 2 d-rotary drum

2 e-step surface 3-workpiece 4-chuck

5-rotating shaft 6 a-swing rod 6 b-feeding block

6c, tension spring 6d, wheel sheet 6e and second bump

7 a-trough 7 b-neck 7 c-push rod

7d mounting block

7e driving rod 7f compression spring

7g, a wheel disc 7h, a third bump 8 and a fixing rod.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Further, in the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not in direct contact, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.

As shown in fig. 1-2, the full-automatic drilling machine tool comprises a machine tool base 1, a drill 2 capable of moving back and forth is arranged on the machine tool base 1, a chuck 4 for clamping a workpiece 3 and driving the workpiece 3 to rotate is arranged on the front side of the drill 2, a feeding mechanism is arranged between the drill 2 and the chuck 4, a rotating shaft 5 is arranged on the machine tool base 1, and the rotating shaft 5 is in transmission connection with a rotating shaft motor.

The drill cutter 2 is installed on a slide 2a, install on the machine tool seat 1 with slide 2a matched with slide 2b and be used for pushing away the main spring (not shown in the drawing) that slide 2a moved backward, the right side of slide 2a is equipped with first lug 2c, coaxial installation has rotary drum 2d on the pivot 5, the annular is provided with step face 2e on the outer peripheral face of rotary drum 2d, first lug 2c supports backward under the effort of main spring and supports in step face 2e, step face 2e includes one section plane and the connecting plane both ends and a section arcwall face that extends backward, pivot 5 can drive rotary drum 2d and rotate, so that first lug 2c supports and leans on plane or arcwall face, thereby make slide 2a move forward and keep the position or move backward.

The feeding mechanism comprises a swing rod 6a hinged on the machine tool base 1, a feeding block 6b installed at the upper end of the swing rod 6a and a tension spring 6c connected to the bottom end of the swing rod 6a and used for pulling the swing rod 6a, a wheel piece 6d is coaxially installed on the rotating shaft 5, a second lug 6e abutted to the side end of the wheel piece 6d is arranged on the rear side of the swing rod 6a, the wheel piece 6d is provided with a notch, the rotating shaft 5 can drive the wheel piece 6d to rotate, so that the second lug 6e is abutted to the side end or the notch of the wheel piece 6d, the feeding block 6b is lifted up by the swing rod 6a, or the swing rod 6a is pulled by the tension spring 6c to enable the feeding block 6b to swing to the left side.

A trough 7a used for placing a plurality of workpieces 3 to be processed is arranged above the upper material block 6b, the bottom end of the trough 7a is opened for discharging, the top end of the upper material block 6b is provided with an arc-shaped surface which is abutted against the bottommost workpiece 3 of the trough 7a to prevent the workpieces 3 from falling off, the left side of the top end of the upper material block 6b is provided with a clamping groove 7b which can be aligned with the bottom end opening of the trough 7a, one workpiece 3 can fall into the clamping groove 7b, the front end of the clamping groove 7b is opened and can be aligned with the center of the chuck 4, the rear end of the clamping groove 7b is provided with a push rod 7c used for pushing the workpiece 3 into the chuck 4, the middle part of the push rod 7c is hinged to the swing rod 6a, the right side of the machine tool seat 1 is fixedly connected with an installation block 7d, the installation block 7d is provided with a driving rod 7e used for pushing against the bottom of the, the actuating lever 7e cover is equipped with compression spring 7f, compression spring 7f preceding, the back both ends are connected respectively in the front end of actuating lever 7d and the front end of installation piece 7d, coaxial arrangement has rim plate 7g on the pivot 5, be equipped with the third lug 7h that can push against actuating lever 7e on the rear end face of rim plate 7g, when pivot 5 drove rim plate 7g and rotate, third lug 7h can push against actuating lever 7d backward, so that push rod 7c swings and promotes work piece 3, perhaps when third lug 7h breaks away from actuating lever 7d, actuating lever 7d can push against the rear end face of rim plate 7g under compression spring 7 f's effort, so that push rod 7c resets.

The chuck 4 is in transmission connection with a chuck motor, the front end of the chuck 4 is further connected with an air cylinder (not shown in the drawing), the air cylinder can pull the chuck 4 forward to enable the chuck 4 to clamp the workpiece 3, or the air cylinder can push the chuck 4 backward to enable the chuck 4 to loosen the workpiece 3 for blanking, the chuck 4 is arranged in a chuck seat, and the chuck seat is connected to a guide rail (not shown in the drawing) and can move back and forth along the guide rail or is fixed at a certain position of the guide rail so as to adjust the distance between the chuck 4 and the drill 2.

When the full-automatic drilling machine tool provided by the above embodiment works, a plurality of workpieces 3 to be processed are placed in the trough 7a, the lowest workpiece 3 can be abutted against the workpiece 3 falling into the slot 7b, after the rotating shaft 5 starts to rotate, the wheel sheet 6d synchronously rotates, so that the second lug 6e slides into the notch of the wheel sheet 6d, at this time, the second lug 6e loses the pushing acting force, so that the tension spring 6c can pull the bottom of the oscillating bar 6a, and the oscillating bar 6a can drive the feeding block 6b to swing left, during the swinging process of the feeding block 6b, the arc-shaped surface at the top end of the feeding block 6b keeps in contact with the lowest workpiece 3 in the trough 7a to prevent the workpiece 3 from falling off, then the feeding block 6b sends the workpiece 3 in the slot 7b to the rear side of the chuck 4, and meanwhile, the wheel disc 7g pushes the third lug 7h on the rear end surface of the driving rod 5 to the driving rod 7e along with the rotation of the rotating shaft, and then make actuating lever 7e push away push rod 7c backward, thereby make the upper end of push rod 7c push away work piece 3 forward, push into chuck 4 with work piece 3, then, chuck 4 presss from both sides tight work piece 3, wheel piece 6d rotates and makes second lug 6e pushed and support to wheel piece 6d side again, and then make the pendulum rod reset toward the right swing, thereby the rim plate 7g also rotates simultaneously and makes the front end of actuating lever 7e slide to the rear end face of rim plate 7g from third lug 7 and reset, also make push rod 7c reset, draw-in groove 7b opens again so that next work piece 3 falls into, realize automatic feeding.

On the other hand, the rotating shaft 5 also drives the rotating drum 3d to rotate, and during the rotation of the rotating drum 3d, when the first lug 2c is abutted by the plane section of the step surface 2e, the sliding seat 2a can move forward to feed, when the first lug 2c retreats to the arc-shaped section of the step surface 2e under the action of the main spring, the sliding seat 2a can move backward to retreat, it can be seen that the rotating drum 3d, the wheel sheet 6d and the wheel disc 7g are driven to rotate simultaneously by the rotating shaft 5, the drill cutter 2 can be driven to move and the feeding block 6b can be driven to swing and the push rod 7c can be driven to swing respectively, thereby simply realizing the processes of feeding, retracting and feeding by utilizing the mechanical transmission structure, and discharging by utilizing the cylinder, and then accomplished high automatic drilling process, need not too many intelligent control mode, can reduce equipment cost, can improve production efficiency again at very big degree.

It should be noted that the chuck 4 in the above structure is actually a chuck device structure that is common in the prior art, and those skilled in the art should understand that the movement, clamping or tightening actions of the chuck 4 are all prior art, and since the improvement of the present solution is not in this point, it is not described in detail.

Preferably, the arc surface at the top end of the upper material block 6b is a smooth surface, and the radian of the arc surface is at least 45 degrees, so that when the arc surface moves, the workpiece 3 which abuts against the arc surface and is positioned at the lowest part of the material groove 7a can reduce friction with the arc surface, and the quality of the workpiece is ensured.

More preferably, the right side of the machine tool seat 1 is provided with a limit block which can abut against the left side of the swing rod 6a, so that the swing rod 6a can stop at a more accurate position to align the chuck 4 when swinging for loading.

More preferably, an L-shaped fixing rod 8 is mounted on the right side of the machine tool base 1, and the upper end of the fixing rod 8 is inclined to the right and connected to one end of the tension spring 6 c.

More preferably, a rotating shaft motor is arranged at the right side of the rotating shaft 5, and the rotating shaft motor is in transmission connection with the rotating shaft 5 through a gear reducer.

More preferably, the notch of the wheel plate 6d includes a convex arc notch surface and a concave arc notch surface, and the wheel plate 6d rotates clockwise and can make the convex arc notch surface and the concave arc notch surface contact the second projection 6e in sequence, so that the second projection 6e moves more smoothly at the side end of the wheel plate 6 d.

The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Some of the drawings and descriptions of the present invention have been simplified to facilitate the understanding of the improvements over the prior art by those skilled in the art, and some other elements have been omitted from this document for the sake of clarity, and it should be appreciated by those skilled in the art that such omitted elements may also constitute the subject matter of the present invention.

Claims

1. Full-automatic drilling machine tool, including lathe seat (1), its characterized in that: the machine tool comprises a machine tool base (1), wherein a drill (2) capable of moving back and forth is arranged on the machine tool base (1), a chuck (4) used for clamping a workpiece (3) and driving the workpiece (3) to rotate is arranged on the front side of the drill (2), a feeding mechanism is arranged between the drill (2) and the chuck (4), a rotating shaft (5) is arranged on the machine tool base (1), and the rotating shaft (5) is in transmission connection with a rotating shaft motor;

the drill (2) is arranged on a sliding seat (2 a), the machine tool seat (1) is provided with a sliding rail (2 b) matched with the sliding seat (2 a) and a main spring for pushing the sliding seat (2 a) to move backwards, a first lug (2 c) is arranged on the right side of the sliding seat (2 a), a rotating drum (2 d) is coaxially arranged on the rotating shaft (5), a step surface (2 e) is annularly arranged on the outer peripheral surface of the rotary drum (2 d), the first lug (2 c) is abutted against the step surface (2 e) backwards under the action force of the main spring, the step surface (2 e) comprises a section of plane and a section of arc surface which is connected with two ends of the plane and extends backwards, the rotating shaft (5) can drive the rotating drum (2 d) to rotate, so that the first projection (2 c) abuts against a plane or an arc-shaped surface, thereby moving the sliding seat (2 a) forwards and keeping the position or moving backwards;

the feeding mechanism comprises a swing rod (6 a) hinged on the machine tool base (1), a feeding block (6 b) arranged at the upper end of the swing rod (6 a) and a tension spring (6 c) connected to the bottom end of the swing rod (6 a) and used for pulling the swing rod (6 a), a wheel sheet (6 d) is coaxially arranged on the rotating shaft (5), a second convex block (6 e) abutted against the side end of the wheel sheet (6 d) is arranged at the rear side of the swing rod (6 a), the wheel sheet (6 d) is provided with a gap, the rotating shaft (5) can drive the wheel sheet (6 d) to rotate, so that the second lug (6 e) is abutted against the side end or the notch of the wheel sheet (6 d), and the swing rod (6 a) lifts the upper material block (6 b), or the swing rod (6 a) is pulled by a tension spring (6 c) to enable the feeding block (6 b) to swing to the left to the rear side of the chuck (4);

a trough (7 a) used for placing a plurality of workpieces to be processed (3) is arranged above the feeding block (6 b), the bottom end of the trough (7 a) is opened for discharging, the top end of the feeding block (6 b) is provided with an arc-shaped surface which is abutted against the bottommost workpiece (3) of the trough (7 a) to prevent the workpiece (3) from falling off, the left side of the top end of the feeding block (6 b) is provided with a clamping groove (7 b) capable of aligning with the bottom end opening of the trough (7 a), one workpiece (3) can fall into the clamping groove (7 b), the front end of the clamping groove (7 b) is opened and can align with the center of the chuck (4), the rear end of the clamping groove (7 b) is provided with a push rod (7 c) used for pushing the workpiece (3) into the chuck (4), the middle part of the push rod (7 c) is hinged to the swing rod (6 a), and the right side of the machine tool seat (1) is fixedly connected with, the installation block (7 d) is provided with a driving rod (7 e) in a penetrating manner, the driving rod is used for pushing the bottom of the push rod (7 c), the rear end of the driving rod (7 e) penetrates through the installation block (7 d) and is abutted against the front side of the bottom of the push rod (7 c), the driving rod (7 e) is sleeved with a compression spring (7 f), the front end and the rear end of the compression spring (7 f) are respectively connected to the front end of the driving rod (7 d) and the front end of the installation block (7 d), a wheel disc (7 g) is coaxially installed on the rotating shaft (5), a third convex block (7 h) capable of pushing the driving rod (7 e) is arranged on the rear end face of the wheel disc (7 g), when the rotating shaft (5) drives the wheel disc (7 g) to rotate, the third convex block (7 h) can push the driving rod (7 d) backwards, so that the push rod (7 c) swings and pushes the workpiece (3), or the third convex block (7 h) is separated from the driving rod (, the driving rod (7 d) can prop against the rear end face of the wheel disc (7 g) under the action force of the compression spring (7 f) so as to reset the push rod (7 c);

the workpiece feeding device is characterized in that the chuck (4) is in transmission connection with a chuck motor, the front end of the chuck (4) is further connected with an air cylinder, the air cylinder can pull the chuck (4) forwards to enable the chuck (4) to clamp a workpiece (3), or the air cylinder can push the chuck (4) backwards to enable the chuck (4) to loosen the workpiece (3) for feeding, the chuck (4) is arranged in a chuck seat, and the chuck seat is connected to the guide rail and can move back and forth along the guide rail.

2. The fully automatic drilling machine according to claim 1, characterized in that: the arc-shaped surface at the top end of the upper material block (6 b) is a smooth surface, and the radian of the arc-shaped surface is at least 45 degrees.

3. The fully automatic drilling machine according to claim 1, characterized in that: the right side of the machine tool seat (1) is provided with a limiting block which can abut against the left side of the swing rod (6 a).

4. The fully automatic drilling machine according to claim 1, characterized in that: an L-shaped fixing rod (8) is installed on the right side of the machine tool seat (1), and the upper end of the fixing rod (8) is arranged in a right-inclined mode and is connected with one end of a tension spring (6 c).

5. The fully automatic drilling machine according to claim 1, characterized in that: the rotating shaft motor is arranged on the right side of the rotating shaft (5) and is in transmission connection with the rotating shaft (5) through a gear reducer.

6. The fully automatic drilling machine according to claim 1, characterized in that: the notch of the wheel piece (6 d) comprises a section of convex arc notch surface and a section of concave arc notch surface, and the wheel piece (6 d) rotates clockwise and can enable the convex arc notch surface and the concave arc notch surface to contact the second bump (6 e) in sequence.