CN215746435U - Numerical control lathe blank send-out mechanism - Google Patents

Abstract

The utility model discloses a numerical control lathe blank sending-out mechanism, which comprises: a base; the two support plates are respectively arranged at the left end and the right end of the top of the base; the bin is fixedly arranged at the top ends of the inner sides of the two supporting plates; the PLC is fixedly arranged in the middle of the right side of the supporting plate on the right side; the bin is fixedly arranged at the top ends of the inner sides of the two supporting plates; a plurality of bars are stacked at the bottom of the inner cavity of the stock bin; the delivery mechanism is arranged on the rear side of the top of the base and is electrically connected with the PLC; the anti-blocking mechanism is arranged at the top ends of the front sides of the two supporting plates. This numerical control lathe blank delivery mechanism can deliver out single bar fast, and positioning accuracy is higher, can directly press from both sides by feed mechanism and get, labour saving and time saving, and work efficiency is high to card material phenomenon can not appear, need not artifical the processing, is applicable to automation line.

Description

Numerical control lathe blank send-out mechanism

Technical Field

The utility model relates to the technical field of numerical control lathes, in particular to a blank sending-out mechanism of a numerical control lathe.

Background

The numerical control machine tool is a numerical control machine tool for short, is an automatic machine tool provided with a program control system, can make the machine tool act and process parts according to a programmed program, integrates the latest technologies of machinery, automation, computers, measurement, microelectronics and the like, basically comprises a processing program carrier, a numerical control device, a servo driving device, a machine tool main body and other auxiliary devices, solves the problem of complex, precise, small-batch and multi-variety part processing, is a flexible and high-efficiency automatic machine tool, represents the development direction of the modern machine tool control technology, is a typical electromechanical integrated product, is widely used in the modern industry, greatly improves the production efficiency of enterprises, and needs a matched feeding device;

present numerical control lathe blank delivery mechanism, generally only pay-off to the bar, hardly carry out the centre gripping to the material, among the prior art, generally wait to send the material after, the fixed bar of other articles of recycling just can process the processing, the manipulator of being not convenient for is got the clamp, it is more hard to waste time, make work efficiency low, when the bar drops from the feed bin in addition, a plurality of bars extrude each other and take place the card material at the feed opening easily, need the manual work to handle, be not suitable for automation line.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a blank piece sending-out mechanism of a numerical control lathe, which at least solves the problems that in the prior art, a manipulator is inconvenient to clamp and material clamping is often caused.

In order to achieve the purpose, the utility model provides the following technical scheme: a numerically controlled lathe blank sending-out mechanism comprising: a base; the two support plates are respectively arranged at the left end and the right end of the top of the base; the bin is fixedly arranged at the top ends of the inner sides of the two supporting plates; the PLC is fixedly arranged in the middle of the right side of the supporting plate on the right side; the bin is fixedly arranged at the top ends of the inner sides of the two supporting plates; a plurality of bars are stacked at the bottom of the inner cavity of the stock bin; the delivery mechanism is arranged on the rear side of the top of the base and is electrically connected with the PLC; the material blocking prevention mechanism is arranged at the top ends of the front sides of the two supporting plates;

the feed bin includes: the bin main body is fixedly arranged at the top ends of the inner sides of the two supporting plates; the feed opening is formed in the front end of the bottom of the inner cavity of the stock bin main body; the inclined plane is arranged on the rear side of the bottom of the inner cavity of the stock bin main body;

the feed-out mechanism includes: the first pneumatic cylinder is fixedly arranged on the rear side of the top of the base and is electrically connected with the PLC; the two sliding rails are embedded in the bottom ends of the inner sides of the two supporting plates respectively; the two sliding blocks are respectively and slidably arranged on the side walls of the inner cavities of the two sliding rails; the mounting rack is fixedly mounted on the inner sides of the two sliding blocks and is fixedly connected with the output end of the first pneumatic cylinder; the blanking assemblies are two and are respectively arranged on the left side and the right side of the top of the mounting frame; and the position detection assembly is arranged at the top of the base and is electrically connected with the PLC.

Preferably, the blanking assembly comprises: the V-shaped supporting blocks of the two blanking assemblies are respectively embedded in the left side and the right side of the top of the mounting frame, and the tops of the V-shaped supporting blocks are in contact with the bottom of the blanking port; the reinforcing rib is arranged at the rear end of the bottom of the V-shaped supporting block; and the stop block is arranged on the rear side of the inner cavity of the V-shaped supporting block.

Preferably, the position detection assembly includes: the limiting block is fixedly arranged at the left end of the bottom of the mounting rack; the first limit switch is fixedly arranged at the front end of the left side of the top of the base and is electrically connected with the PLC; and the second limit switch is fixedly arranged in the middle position of the left side of the top of the base and is electrically connected with the PLC.

Preferably, the anti-jamming mechanism includes: the third limit switch is embedded in the middle of the front side of the inner cavity of the feed opening; the ejection component is arranged at the top ends of the front sides of the two supporting plates; and the driving assembly is fixedly installed at the top end of the front side of the stock bin main body and is electrically connected with the PLC.

Preferably, the liftout subassembly includes: the two mounting blocks are respectively arranged at the top ends of the front sides of the two support plates; the limiting rods are two in number and are respectively arranged on the inner sides of the two mounting blocks; the number of the pressure rods is two, and the two pressure rods are respectively and rotatably arranged at the inner ends of the two limiting rods; the connecting rods are arranged at the bottom ends of the inner sides of the two pressure rods; the push rods are two in number and are respectively arranged at the bottom ends of the rear sides of the two pressure rods; the two square holes are respectively formed in the left side and the right side of the bottom of the front side of the stock bin main body, and the two push rods are in adaptive insertion connection with the two square holes; the spring, quantity is two, one end joint respectively in two the inboard of installation piece, and the other end joint respectively in two the inboard top of depression bar.

Preferably, the driving assembly includes: the second pneumatic cylinder is fixedly arranged in the middle of the top of the front side of the stock bin main body and is electrically connected with the PLC; the mounting rod is fixedly mounted at the output end of the second pneumatic cylinder; and the two extrusion wheels are rotatably arranged at the left end and the right end of the mounting rod respectively.

Compared with the prior art, the utility model has the beneficial effects that: according to the blank piece sending-out mechanism of the numerical control lathe, the output end of a first pneumatic cylinder is controlled by a PLC (programmable logic controller) to pull a mounting frame to slide backwards, when a limit block moves to the position of a second limit switch, the position of a V-shaped support block is opposite to that of a blanking port, the second limit switch sends an in-place signal to the PLC, the PLC controls the first pneumatic cylinder to brake, a bar in the inner cavity of the blanking port falls into the inner cavity of the V-shaped support block, the PLC controls the output end of the first pneumatic cylinder to push the mounting frame to move towards the front side, a stop block shields the blanking port again, when the limit block reaches the position of the first limit switch, the first limit switch sends an in-place signal to the PLC, the PLC controls the first pneumatic cylinder to brake, and at the moment, the bar at the top end of the inner cavity of the V-shaped support block can be clamped by a feeding mechanism; the PLC controller controls the output end of the second pneumatic cylinder to push the mounting rod downwards, the extrusion wheels at the two ends of the mounting rod extrude the two pressure rods to rotate downwards, in the process, the two springs are stressed and twisted, the two push rods are inserted into the two square holes and push the bar stock at the top end of the blanking port to move towards the rear side, then the PLC controls the output end of the second pneumatic cylinder to pull the mounting rod upwards, the two pressure rods pull the two pressure rods to rotate towards the front side under the action of the twisting force of the two springs, the two push rods follow the two pressure rods to rotate towards the front side, the bar stock falls into the inner cavity of the blanking port under the action of self gravity to wait for next feeding, therefore, can see off single bar fast, positioning accuracy is higher, can directly press from both sides by feed mechanism and get, labour saving and time saving, work efficiency is high to card material phenomenon can not appear, need not manual handling, be applicable to automation line.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a right side view of the present invention;

FIG. 4 is a right side sectional view of the present invention;

FIG. 5 is a right side sectional view of the right side limit position of the blanking assembly;

fig. 6 is a right sectional view of the topping assembly.

In the figure: 2. the device comprises a base, 3, a supporting plate, 4, a bin, 41, a bin body, 42, a feed opening, 43, an inclined plane, 5, a bar, 6, a sending-out mechanism, 61, a first pneumatic cylinder, 62, a sliding rail, 63, a sliding block, 64, a mounting frame, 65, a feeding component, 651, a V-shaped supporting block, 652, a reinforcing rib, 653, a stop block, 66, a position detection component, 661, a limit block, 662, a first limit switch, 663, a second limit switch, 7, an anti-blocking mechanism, 71, a third limit switch, 72, a material ejecting component, 721, a mounting block, 722, a limit rod, 723, a pressure rod, 724, a connecting rod, 725, a push rod, 726, a square hole, 727, a spring, 73, a driving component, 731, a second pneumatic cylinder, 732, a mounting rod, 733, an extrusion wheel, 8 and a PLC controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a numerically controlled lathe blank sending-out mechanism comprising: the device comprises a base 2, support plates 3, a stock bin 4, bars 5, a sending-out mechanism 6, an anti-blocking mechanism 7 and a PLC (programmable logic controller) 8, wherein the number of the support plates 3 is two, the two support plates are respectively arranged at the left end and the right end of the top of the base 2, the stock bin 4 is fixedly arranged at the top ends of the inner sides of the two support plates 3, the PLC 8 is fixedly arranged at the middle position of the right side of the support plate 3 on the right side, the PLC 8 is formed by modularly combining an internal CPU (central processing unit), an instruction and data memory, an input and output unit, a power module, a digital analog unit and the like, instructions for executing operations such as logic operation, sequence control, timing, counting, arithmetic operation and the like are stored in the PLC, various types of mechanical equipment or production processes are controlled through digital or analog input and output, the stock bin 4 is fixedly arranged at the top ends of the inner sides of the two support plates 3, the number of the bars 5 is a plurality, and is accumulated at the bottom of an inner cavity of the stock bin 4, the feeding mechanism 6 is arranged on the rear side of the top of the base 2 and is electrically connected with the PLC 8, and the material blocking prevention mechanism 7 is arranged on the top ends of the front sides of the two supporting plates 3;

the stock bin 4 includes: the feed bin comprises a feed bin main body 41, a feed opening 42 and an inclined plane 43, wherein the feed bin main body 41 is fixedly arranged at the top ends of the inner sides of the two supporting plates 3, the feed opening 42 is formed in the front end of the bottom of an inner cavity of the feed bin main body 41, and the inclined plane 43 is arranged on the rear side of the bottom of the inner cavity of the feed bin main body 41, so that all the bars 5 in the inner cavity of the feed bin main body 41 can fall off through the feed opening 42 under the action of self gravity;

the feed mechanism 6 includes: the device comprises a first pneumatic cylinder 61, two slide rails 62, two slide blocks 63, a mounting frame 64, a blanking assembly 65 and a position detection assembly 66, wherein the first pneumatic cylinder 61 is fixedly arranged at the rear side of the top of the base 2 and is electrically connected with the PLC 8, the first pneumatic cylinder 61 is a cylindrical metal part for guiding a piston to perform linear reciprocating motion in the cylinder, air is expanded in an engine cylinder to convert heat energy into mechanical energy, gas is compressed by the piston in a compressor cylinder to increase pressure, the two slide rails 62 are respectively embedded at the bottom ends of the inner sides of the two support plates 3, the two slide blocks 63 are respectively slidably arranged on the side walls of the inner cavities of the two slide rails 62, the slide blocks 63 and the slide rails 62 can support the mounting frame 64, the mounting frame 64 is fixedly arranged at the inner sides of the two slide blocks 63 and is fixedly connected with the output end of the first pneumatic cylinder 61, the two blanking assemblies 65 are respectively, are respectively arranged at the left side and the right side of the top of the mounting frame 65, and the position detection components 66 are arranged at the top of the base 2 and are electrically connected with the PLC controller 8.

As a preferable scheme, further, the blanking assembly 65 includes: the feeding device comprises a V-shaped supporting block 651, a reinforcing rib 652 and a stopper 653, wherein the V-shaped supporting blocks 651 of the two feeding assemblies 65 of the V-shaped supporting block 651 are respectively embedded in the left side and the right side of the top of the mounting frame 64, the top of the V-shaped supporting block 651 is in contact with the bottom of the feeding port 42, the reinforcing rib 652 is arranged at the rear end of the bottom of the V-shaped supporting block 651, the stopper 653 is arranged at the rear side of the inner cavity of the V-shaped supporting block 651, and the stopper 653 can support a bar 5 in the inner cavity of the feeding port 42.

Preferably, the position detecting assembly 66 further includes: a limiting block 661, a first limiting switch 662 and a second limiting switch 663, wherein the limiting block 661 is fixedly installed at the left end of the bottom of the mounting frame 64, the first limiting switch 662 is fixedly installed at the front end of the left side of the top of the base 2 and is electrically connected with the PLC controller 8, the second limiting switch 663 is fixedly installed at the middle position of the left side of the top of the base 2 and is electrically connected with the PLC controller 8, the first limiting switch 662 and the second limiting switch 663 are commonly used small current main electric appliances, the contact of the mechanical moving parts is operated to realize the connection or disconnection of a control circuit by utilizing the collision of the mechanical moving parts, a certain control purpose is achieved, the position or stroke of the mechanical movement is limited, and the moving machine is automatically stopped, reversely moved, moved in a variable speed or automatically moved back and forth according to a certain position or stroke.

Preferably, the anti-jamming mechanism 7 further includes: the third limit switch 71 is embedded in the middle position of the front side of the inner cavity of the feed opening 42, the limit switch 71 is a common low-current master control appliance, the contact of the produced mechanical moving part is operated by utilizing the collision of the produced mechanical moving part to realize the connection or disconnection of a control circuit, a certain control purpose is achieved, the position or the stroke of the mechanical movement is limited, the moving machine is enabled to automatically stop, move reversely, move in a variable speed or automatically move back and forth according to a certain position or stroke, the material ejecting component 72 is arranged at the top ends of the front sides of the two supporting plates 3, and the driving component 73 is fixedly arranged at the top end of the front side of the bin main body 41 and is electrically connected with the PLC 8.

As a preferred scheme, further, the liftout assembly 72 comprises: the mounting blocks 721, the limiting rods 722, the two pressing rods 723, the connecting rods 724, the pushing rods 725, the square holes 726 and the springs 727, the number of the mounting blocks 721 is two, the mounting blocks are respectively arranged at the top ends of the front sides of the two supporting plates 3, the number of the limiting rods 722 is two, the two pressing rods 723 are respectively arranged at the inner sides of the two mounting blocks 721, the number of the pressing rods 723 is two, the two pressing rods are respectively rotatably arranged at the inner ends of the two limiting rods 722, the connecting rods 724 are arranged at the bottom ends of the inner sides of the two pressing rods 723, the number of the pushing rods 725 is two, the two pushing rods are respectively arranged at the bottom ends of the rear sides of the two pressing rods 723, the number of the square holes 726 is two, the two pushing rods 725 are respectively arranged at the left side and the right side of the bottom of the front side of the storage bin main body 41, the two pushing rods 725 are in adaptive insertion connection with the two square holes 726, the number of the springs 727 is two, one end is respectively clamped at the inner sides of the two mounting blocks 721, the top ends of the two pressing rods 723, the springs 727 are rotary springs, the spring 727 pulls the pressing rod 723 to rotate to the front side without external force.

Preferably, the driving assembly 73 further comprises: the second pneumatic cylinder 731 is fixedly installed at the middle position of the top of the front side of the silo main body 41 and is electrically connected with the PLC controller 8, the second pneumatic cylinder 731 is a cylindrical metal part guiding a piston to reciprocate linearly in the cylinder, air is expanded in an engine cylinder to convert heat energy into mechanical energy, gas is compressed by the piston in a compressor cylinder to increase pressure, the installation rod 732 is fixedly installed at the output end of the second pneumatic cylinder 731, and the number of the extrusion wheels 733 is two and is rotatably installed at the left end and the right end of the installation rod 732 respectively.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Step one, the output end of the first pneumatic cylinder 61 is controlled by the PLC 8 to pull the mounting frame 64 to slide backwards, when the limiting block 661 is moved to the position of the second limiting switch 663, the V-shaped supporting block 65 is opposite to the position of the feed opening 42, the second limiting switch 663 sends a position signal to the PLC controller 8, the PLC controller 8 controls the first pneumatic cylinder 61 to brake, the bar 5 in the inner cavity of the feed opening 42 falls into the inner cavity of the V-shaped supporting block 651, the PLC controller 8 controls the output end of the first pneumatic cylinder 61 to push the mounting frame 64 to move forward, and after the positions of the V-shaped supporting block 651 and the feed opening 42 are staggered, the block 653 shields the feed opening 42 again, when the limiting block 661 reaches the position of the first limiting switch 662, the first limiting switch 662 sends an in-place signal to the PLC controller 8, the PLC controller 8 controls the first pneumatic cylinder 61 to brake, and at this time, the rod 5 at the top end of the inner cavity of the V-shaped supporting block 651 can be clamped by the feeding mechanism;

step two, when the bar 5 in the inner cavity of the blanking port 42 falls into the inner cavity of the V-shaped supporting block 651, then another bar 5 falls into the inner cavity of the blanking port 42, the third limit switch 71 can detect whether the next bar 5 is in place, if not, the PLC controller 8 controls the output end of the second pneumatic cylinder 731 to push the mounting rod 732 downwards, the extrusion wheels 733 at the two ends of the mounting rod 732 extrude the two pressing rods 723 to rotate downwards, in the process, the two springs 727 are twisted, the two push rods 725 are inserted into the two square holes 726 and push the bar 5 at the top end of the blanking port 42 to move towards the rear side, then the PLC controller 8 controls the output end of the second pneumatic cylinder 731 to pull the mounting rod 732 upwards, the two pressing rods 723 pull the two pressing rods 723 to rotate towards the front side under the torsional force of the two springs 727, the two push rods 725 rotate towards the front side following the two pressing rods 723, and the bar 5 falls into the inner cavity of the blanking port 42 under the action of its own gravity, waiting for the next feeding;

this device can the single pay-off that carries on, and positioning accuracy is higher, can directly press from both sides by feed mechanism and get, labour saving and time saving, work efficiency is high to card material phenomenon can not appear, is applicable to automation line.

In the description of the present invention, it is to be understood that the terms "bottom", "one end", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated; unless otherwise specifically stated or limited, the terms "snap" and "connect" and "set" and "open" and "electrically connect" and "fixedly connect" are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A numerically controlled lathe blank sending-out mechanism comprising: base (2), two backup pads (3) and PLC controller (8), two backup pad (3) set up both ends about the top of base (2) respectively, feed bin (4) fixed mounting is on the inboard top of two backup pads (3), PLC controller (8) fixed mounting is in the right side intermediate position of backup pad (3) that is located the right side, and its characterized in that still includes:

the storage bin (4) is fixedly arranged at the top ends of the inner sides of the two supporting plates (3);

a plurality of bars (5) stacked at the bottom of the inner cavity of the stock bin (4);

the delivery mechanism (6) is arranged on the rear side of the top of the base (2) and is electrically connected with the PLC (8);

the anti-blocking mechanism (7) is arranged at the top ends of the front sides of the two supporting plates (3);

the silo (4) comprises:

the bin main body (41) is fixedly arranged at the top ends of the inner sides of the two supporting plates (3);

the feed opening (42) is formed in the front end of the bottom of the inner cavity of the stock bin main body (41);

the inclined plane (43) is arranged on the rear side of the bottom of the inner cavity of the stock bin main body (41);

the feed-out mechanism (6) includes:

the first pneumatic cylinder (61) is fixedly installed on the rear side of the top of the base (2) and is electrically connected with the PLC (8);

the number of the slide rails (62) is two, and the slide rails are embedded in the bottom ends of the inner sides of the two support plates (3) respectively;

the number of the sliding blocks (63) is two, and the sliding blocks are respectively slidably arranged on the side walls of the inner cavities of the two sliding rails (62);

the mounting rack (64) is fixedly mounted on the inner sides of the two sliding blocks (63) and is fixedly connected with the output end of the first pneumatic cylinder (61);

the two blanking assemblies (65) are respectively arranged on the left side and the right side of the top of the mounting frame (65);

the position detection assembly (66) is arranged at the top of the base (2) and is electrically connected with the PLC (8).

2. A numerically controlled lathe blank feed mechanism according to claim 1, characterized in that: the blanking assembly (65) comprises:

the V-shaped supporting blocks (651) of the two blanking assemblies (65) are embedded in the left side and the right side of the top of the mounting frame (64) respectively, and the top of each V-shaped supporting block (651) is in contact with the bottom of the blanking port (42);

the reinforcing rib (652) is arranged at the rear end of the bottom of the V-shaped supporting block (651);

and the stop block (653) is arranged at the rear side of the inner cavity of the V-shaped supporting block (651).

3. A numerically controlled lathe blank feed mechanism according to claim 1, characterized in that: the position detection assembly (66) includes:

the limiting block (661) is fixedly mounted at the left end of the bottom of the mounting frame (64);

the first limit switch (662) is fixedly arranged at the front end of the left side of the top of the base (2) and is electrically connected with the PLC (8);

and the second limit switch (663) is fixedly arranged in the middle position of the left side of the top of the base (2) and is electrically connected with the PLC controller (8).

4. A numerically controlled lathe blank feed mechanism according to claim 1, characterized in that: the material blocking prevention mechanism (7) comprises:

the third limit switch (71) is embedded in the middle of the front side of the inner cavity of the feed opening (42);

the ejection assembly (72) is arranged at the top ends of the front sides of the two support plates (3);

and the driving assembly (73) is fixedly installed at the top end of the front side of the stock bin main body (41) and is electrically connected with the PLC (8).

5. A numerically controlled lathe blank sending-out mechanism according to claim 4, characterized in that: the topping assembly (72) comprises:

the number of the mounting blocks (721) is two, and the mounting blocks are respectively arranged at the top ends of the front sides of the two support plates (3);

the limiting rods (722) are two in number and are respectively arranged on the inner sides of the two mounting blocks (721);

the two compression rods (723) are rotatably arranged at the inner ends of the two limiting rods (722) respectively;

the connecting rods (724) are arranged at the bottom ends of the inner sides of the two pressing rods (723);

the push rods (725) are two in number and are respectively arranged at the bottom ends of the rear sides of the two compression rods (723);

the number of the square holes (726) is two, the square holes are respectively formed in the left side and the right side of the bottom of the front side of the stock bin main body (41), and the two push rods (725) are in adaptive insertion connection with the two square holes (726);

the number of the springs (727) is two, one end of each spring is clamped at the inner side of each mounting block (721), and the other end of each spring is clamped at the top end of the inner side of each pressing rod (723).

6. A numerically controlled lathe blank sending-out mechanism according to claim 5, characterized in that: the drive assembly (73) comprises:

the second pneumatic cylinder (731) is fixedly installed in the middle position of the top of the front side of the stock bin main body (41) and is electrically connected with the PLC (8);

a mounting rod (732) fixedly mounted to an output end of the second pneumatic cylinder (731);

and two extrusion wheels (733) which are rotatably mounted on the left and right ends of the mounting rod (732), respectively.

Images