CN111644881B - Full-automatic numerical control machine tool and control method thereof - Google Patents

Abstract

The invention provides a full-automatic numerical control machine tool and a control method thereof, belonging to the technical field of numerical control machine tools. The numerical control machine tool solves the problems that the existing numerical control machine tool is poor in workpiece protection and cannot meet the actual requirements on the machining requirements of workpieces. The invention relates to a full-automatic numerical control machine tool which comprises a machine shell, a clamping table, a workbench, a feeding mechanism, a clamping mechanism, a left feeding mechanism and a right feeding mechanism. In the invention, the left feeding mechanism and the right feeding mechanism are not in direct contact with the outer surface of the workpiece in the process of clamping the workpiece, so that the condition that the outer surface of the workpiece is abraded in the transfer process is avoided.

Description

Full-automatic numerical control machine tool and control method thereof

Technical Field

The invention belongs to the technical field of numerical control machine tools, and relates to a full-automatic numerical control machine tool and a control method thereof.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. The numerical control machine tool can better solve 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 modern machine tool control technology, and is a typical mechanical and electrical integrated product, in the prior art, most of numerical control machine tools can convey a workpiece into a clamping table of a numerical control mechanism only by clamping the side surface of the workpiece through a manipulator in the process of processing the workpiece, and the machined workpiece can be clamped from the clamping table of the numerical control mechanism only by clamping the side surface of the workpiece through the manipulator in the prior art, and the manipulator can easily damage the side surface of the workpiece in the process, so that the part is scrapped; secondly, in the process of conveying the workpieces, the workpieces are conveyed only by the conveying belt, and the work requirement of processing the workpieces one by one cannot be met.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a full-automatic numerical control machine tool capable of improving the protection performance of workpieces and processing the workpieces one by one and a control method thereof.

The purpose of the invention can be realized by the following technical scheme: a full-automatic numerical control machine tool comprises: the device comprises a shell, wherein a clamping table is arranged in the shell;

the clamping mechanism is arranged in the machine shell and can lift relative to the machine shell;

the left feeding mechanism is arranged in the machine shell and movably penetrates through the clamping table;

the right feeding mechanism is arranged in the machine shell and can move relative to the machine shell, when the feeding mechanism conveys the workpiece into the clamping mechanism, the clamping mechanism clamps the workpiece between the left feeding mechanism and the right feeding mechanism, and then the left feeding mechanism and the right feeding mechanism transfer the workpiece into the clamping table; a positioning assembly corresponding to the feeding mechanism is arranged on one side of the clamping mechanism and can penetrate through the clamping mechanism; the positioning assembly comprises a positioning rod capable of passing through the clamping mechanism and a fourth cylinder body used for driving the positioning rod to move.

In foretell full-automatic digit control machine tool, one side of casing is equipped with the vibration dish, be equipped with the ejection of compact guide rail of exporting the work piece in the vibration dish one by one on the vibration dish.

In the above full-automatic numerical control machine tool, the feeding mechanism includes a dividing assembly for limiting the output of the workpiece in the discharging guide rail and a receiving assembly for receiving the workpiece output from the discharging guide rail, and the housing is provided with a moving guide rail for guiding the directional movement of the receiving assembly.

In foretell full-automatic digit control machine tool, fixture is including installing the fixed plate in the casing, be equipped with lifting guide on the fixed plate, movable mounting has the centre gripping subassembly on the lifting guide, the one end of fixed plate is equipped with the third cylinder that is used for driving the orbit motion of centre gripping subassembly along lifting guide, it moves the pole to be equipped with the third that is used for connecting the centre gripping subassembly on the third cylinder.

In the above full-automatic numerical control machine tool, the clamping assembly includes a connecting seat connected with the third moving rod, the connecting seat is connected with the lifting guide rail through a lifting slide block, a third cylinder body is arranged on the connecting seat, and a pair of clamping hands is arranged on the third cylinder body.

In foretell full-automatic digit control machine tool, can dismantle on the fixed plate and be connected with the fixed block, be connected with the mounting panel that is used for installing the fourth cylinder on the fixed block, be equipped with the fourth push rod on the fourth cylinder, be equipped with the linkage plate that is used for connecting the locating lever on the fourth push rod.

In foretell full-automatic digit control machine tool, left side feeding mechanism moves the pole including the fourth that the activity passed the centre gripping platform, one side of casing is equipped with and is used for promoting the fourth and moves the fourth cylinder that the pole moved, be equipped with the workstation that is used for installing right feeding mechanism in the casing.

In the above full-automatic numerical control machine tool, the right feeding mechanism includes a fifth cylinder provided on the worktable, and a fifth moving rod is provided on the fifth cylinder; a fixed sleeve for penetrating the fourth moving rod is arranged in the machine shell, a chuck is arranged at one end of the fixed sleeve close to the clamping table, and the chuck is arranged in the clamping table; and a step ring for limiting the movement of the workpiece is arranged in the chuck.

A control method of a full-automatic numerical control machine tool comprises the following steps:

s1, opening the vibration disc, and conveying the workpieces in the vibration disc into the material receiving assembly one by one through the discharge guide rail;

s2, the material receiving assembly moves along the track of the moving guide rail, and when the material receiving assembly conveys the workpiece to the other end of the moving guide rail, the material receiving assembly conveys the workpiece into the clamping mechanism;

s3, clamping the workpiece by the clamping mechanism, and resetting the material receiving assembly;

s4, the clamping mechanism drives the workpiece to move downwards along the track of the lifting guide rail until the clamping mechanism conveys the workpiece between the left feeding mechanism and the right feeding mechanism;

s5, the left feeding mechanism and the right feeding mechanism move relatively until the workpiece is arranged between the left feeding mechanism and the right feeding mechanism, and the clamping mechanism resets;

s6, synchronously transferring the workpiece to a chuck of the clamping table by the left feeding mechanism and the right feeding mechanism;

s7, resetting the left feeding mechanism, and clamping the workpiece by the chuck;

s8, resetting the right feeding mechanism and processing the workpiece;

s9, the left feeding mechanism and the right feeding mechanism move relatively until the workpiece is arranged between the left feeding mechanism and the right feeding mechanism, and the chuck is loosened;

and S10, synchronously transferring the workpiece to the outside of the chuck by the left feeding mechanism and the right feeding mechanism.

In the above control method of the fully automatic numerical control machine tool, the step S2 includes:

s21, the material receiving assembly moves along the track of the movable guide rail, when the buffer block blocks the material receiving assembly, the material receiving assembly stops moving, and at the moment, the material receiving assembly drives the workpiece to be conveyed to the other end of the movable guide rail;

s22, the positioning assembly passes through the clamping mechanism and moves towards the material receiving assembly until the positioning assembly and the material receiving assembly clamp the workpiece at the same time;

and S23, conveying the workpiece to the clamping mechanism synchronously by the positioning assembly and the material receiving assembly.

Compared with the prior art, the invention has the following beneficial effects:

1. in the first, second and fifth embodiments of the present invention, in the process of transferring the workpiece by the left feeding mechanism and the right feeding mechanism, the left feeding mechanism and the right feeding mechanism do not directly contact the outer surface of the workpiece, so as to avoid the outer surface of the workpiece from being worn in the transferring process.

2. In the third and seventh embodiments, through the cooperation of the positioning assembly and the material receiving assembly, the workpiece is prevented from being separated from the threading needle in the process of driving the workpiece to move by the threading needle, so that the stability of the material receiving assembly for conveying the workpiece into the clamping assembly is ensured.

3. In the fourth embodiment, the two ends of the workpiece are machined through the cooperation of the rotary cylinder and the rotary disc, so that the numerical control machine can meet the machining requirements of people on the workpiece.

4. Through controlling the second cylinder, the distance between control buffer block and the second cylinder, because of the second cylinder body when contact buffer block, first cylinder just can stop work to adjust the second cylinder body and reach the reservation position that the movable guide is close to second cylinder one end, so, when making the second cylinder body release the threading needle, this threading needle can take the work piece to enter into fixture smoothly.

5. Through the scheme of the first embodiment, the scheme of the second embodiment and the scheme of the eighth embodiment, the full-automatic numerical control machine tool can be suitable for tubular workpieces and solid cylindrical workpieces of various specifications, so that the application range of the full-automatic numerical control machine tool is expanded.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic view of the structure of the feeding mechanism.

Fig. 3 is a schematic structural diagram of a partitioning component.

Fig. 4 is a schematic structural diagram of the receiving assembly.

Fig. 5 is a schematic structural view of the chucking mechanism.

FIG. 6 is a schematic structural diagram of a positioning assembly according to a third embodiment.

FIG. 7 is a combination diagram of the left feeding mechanism and the right feeding mechanism in the first embodiment.

Fig. 8 is a combination view of the left feeding mechanism and the right feeding mechanism in the second embodiment.

Fig. 9 is a schematic view of the structure of the harness.

FIG. 10 is a combination view of the left feeding mechanism and the right feeding mechanism in the eighth embodiment.

Fig. 11 is a schematic structural view of a receiving assembly in the eighth embodiment.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 to 5, 7 and 9, the full-automatic numerical control machine tool of the present invention includes a machine case 100, a clamping table 110, a worktable 140, a feeding mechanism 200, a clamping mechanism 300, a left feeding mechanism 400 and a right feeding mechanism 500.

A clamping table 110 and a workbench 140 are arranged in the machine shell 100, and a feeding mechanism 200 is arranged on the machine shell 100; the clamping mechanism 300 is installed in the casing 100, and the clamping mechanism 300 can be lifted relative to the casing 100; the left feeding mechanism 400 is installed in the machine shell 100, the left feeding mechanism 400 movably penetrates through the clamping table 110, the right feeding mechanism 500 is installed on the workbench 140, the right feeding mechanism 500 can move relative to the workbench 140, the central axis of the left feeding mechanism 400 is overlapped with the central axis of the right feeding mechanism 500, one side of the machine shell 100 is provided with the vibration disc 210, the vibration disc 210 is provided with a discharging guide rail 211 which outputs the workpieces in the vibration disc 210 one by one, when people open the full-automatic numerical control machine, the vibration disc 210 vibrates, because one end of the discharging guide rail 211 is communicated with the inside of the vibration disc 210, the workpieces in the vibration disc 210 are sequentially conveyed into the discharging guide rail 211 along with the vibration of the vibration disc 210, because the discharging guide rail 211 is obliquely arranged relative to the horizontal plane, the workpieces entering the discharging guide rail 211 can move downwards along the track of the discharging guide rail 211, the feeding mechanism 200 is located at the output end of the discharging guide rail 211, so that the output workpiece in the discharging guide rail 211 can directly fall into the feeding mechanism 200, when a workpiece is stored in the feeding mechanism 200, the discharging guide rail 211 is closed, then the feeding mechanism 200 moves towards the clamping mechanism 300, when the workpiece is conveyed into the clamping mechanism 300 by the feeding mechanism 200, the clamping mechanism 300 clamps the workpiece, then the feeding mechanism 200 is reset to prepare for continuously containing the next workpiece, simultaneously, the clamping mechanism 300 descends relative to the machine shell 100 to clamp the workpiece between the left feeding mechanism 400 and the right feeding mechanism 500, namely, the central axis of the left feeding mechanism 400, the central axis of the right feeding mechanism 500 and the central axis of the workpiece are located on the same straight line, and then the workpiece is transferred into the clamping table through the cooperation effect of the left feeding mechanism 400 and the right feeding mechanism 500, the left feeding mechanism 400 is reset, the clamping table 110 clamps the workpiece, the right feeding mechanism 500 is reset, the full-automatic numerical control mechanism processes the workpiece, after the workpiece is processed, the left feeding mechanism 400 and the right feeding mechanism 500 move relatively, so that the workpiece is arranged between the left feeding mechanism 400 and the right feeding mechanism 500, the clamping table 110 loosens the workpiece, the left feeding mechanism 400 and the right feeding mechanism 500 synchronously transfer the workpiece to the outside of the chuck 130, thus the full-automatic numerical control airport can complete the full-automatic processing of the workpiece, in addition, the stable conveying of the full-automatic numerical control machine tool to the workpiece is effectively improved through the synchronous action of the left feeding mechanism 400 and the right feeding mechanism 500, and secondly, in the process of transferring the workpiece, the left feeding mechanism 400 and the right feeding mechanism 500 are not in direct contact with the outer surface of the workpiece, thereby avoiding the outer surface of the workpiece in the transferring process, a wear condition occurs.

As shown in fig. 2-4, the feeding mechanism 200 includes a dividing assembly 220 for limiting the output of the workpieces in the output guide rail 211 and a receiving assembly 230 for receiving the workpieces output from the output guide rail 211, a moving guide rail 240 for guiding the directional movement of the receiving assembly 230 is provided on the housing 100, in operation, the material receiving assembly 230 moves to the output end of the discharging guide rail 211, when the discharging guide rail 211 conveys the workpieces to the output end of the discharging guide rail 211 one by one, the dividing assembly 220 retracts, so that the workpiece in the discharging guide rail 211 directly slides to the receiving assembly 230 due to the gravity, after the receiving assembly 230 receives the workpiece, the dividing assembly 220 blocks the workpiece in the discharging guide rail 211 again, so as to realize the one-by-one conveying of the workpieces by the feeding mechanism 200, and then the receiving assembly 230 moves along the track of the moving guide rail 240 until moving to the other end of the moving guide rail 240.

The dividing assembly 220 includes a first cylinder 222 disposed on the housing 100, the first cylinder 222 has a first push rod 2222, a baffle 2222a is mounted on the first push rod 2222, at least two baffles 2222b for blocking the movement of the workpiece are disposed on the baffle 2222a, and a gap 2222c is formed between the two baffles 2222b, when the dividing assembly 220 blocks the workpiece, the first cylinder 222 pushes the first push rod 2222 outward, so that the baffle 2222a is mounted on the first push rod 2222, so that the first push rod 2222 drives the baffle 2222a and the two baffles 2222b to move toward the output end of the discharge guide rail 211 until the two baffles 2222b seal the output end of the discharge guide rail 211, thereby blocking the workpiece located in the discharge guide rail 211 from falling out of the discharge guide rail 211; when the workpiece is to be output, the first cylinder 222 is controlled again, so that the first cylinder 222 drives the first push rod 2222, the baffle 2222a and the two blocking strips 2222b to retract synchronously, and the two blocking strips 2222b are no longer blocking the output end of the discharge guide rail 211, so that the workpiece can fall out of the discharge guide rail 211 smoothly.

The receiving assembly 230 includes a second cylinder 231 movably mounted on the moving guide rail 240, a first push block 2311 is movably mounted on the second cylinder 231, a needle 2311a is disposed on the first push block 2311, a central axis of the needle 2311a passes through the gap 2222c, a detector 2311b is disposed on the first push block 2311, during the process of receiving the workpiece, the second cylinder 231 is initially located, the detector 2311b detects whether the workpiece is stored on the needle 2311a at any time, when the detector 2311b detects that the workpiece is not stored on the needle 2311a, the second cylinder 231 pushes the first push block 2311 outwards, the needle 2311a is mounted on the first push block 2311, so that the needle 2311a moves towards the output end of the discharging guide rail 211 until the second cylinder 231 pushes the needle 2311a to a predetermined position, that is, so that the needle 2311a moves to the output end of the discharging guide rail 211 and the needle 2311a is not inserted into the output end, then, the first cylinder 222 retracts the baffle 2222a and the stop strip 2222b, so that the workpiece located in the discharge guide rail 211 slides out into the discharge guide rail 211 due to the gravity until the workpiece is penetrated by the needle 2311a, while the adjacent workpieces are still not removed from the discharge guide rail 211, and the two workpieces are contacted end to end, at this time, the detector 2311b can detect that the needle 2311a has the workpiece thereon, and then the first cylinder 222 continues to move the first push rod 2222 to drive the baffle 2222a and the stop strip 2222b towards the output end direction of the discharge guide rail 211, so that the two workpieces can be separated by the two stop strips 2222b, and thus, when the material receiving assembly 230 is removed, the stop strip 2222b can smoothly prevent the workpiece located in the discharge guide rail 211 from falling out of the discharge guide rail 211; thereafter, the second cylinder 231 resets the first push block 2311, and the next step can be continued.

One end of the moving guide rail 240 is provided with a first cylinder 241 for pushing the second cylinder 231 to move, the first cylinder 241 is provided with a first moving rod 241a for connecting the second cylinder 231, the bottom of the second cylinder 231 is provided with a translation slider 2312 for connecting the moving guide rail 240, when the second cylinder 231 drives the first push block 2311 to reset, the first cylinder 241 moves and pushes out the first moving rod 241a, so that the second cylinder 231 and the translation slider 2312 move towards the other end of the moving guide rail 240 along the track of the moving guide rail 240 until the second cylinder 231 moves to a preset position, and then the second cylinder 231 pushes out the first push block 2311 again, so that the penetrating needle 2311a can convey the workpiece into the clamping mechanism 300. When the first cylinder 241 retracts the first moving rod 241a, the second cylinder 231 is repeatedly returned to the initial position.

The other end of the moving rail 240 is provided with a second cylinder 242 for limiting the movement of the second cylinder 231, a second moving rod 242a is movably arranged in the second cylinder 242 in a penetrating manner, a buffer block 242b is arranged on the second moving rod 242a, and in the actual operation process, people can control the second cylinder 242 to control the distance between the buffer block 242b and the second cylinder 242, because the first cylinder 241 stops working when the second cylinder 231 contacts the buffer block 242b, the second cylinder 231 is adjusted to reach a reserved position at one end of the moving rail 240 close to the second cylinder 242, and thus, when the second cylinder 231 pushes out the threading needle 2311a, the threading needle 2311a can smoothly carry a workpiece into the clamping mechanism 300.

As shown in fig. 5, the clamping mechanism 300 includes a fixed plate 310 installed in the housing 100, a lifting guide rail 311 is disposed on the fixed plate 310, a clamping assembly 320 is movably installed on the lifting guide rail 311, a third cylinder 312 for driving the clamping assembly 320 to move along a track of the lifting guide rail 311 is disposed at one end of the fixed plate 310, and a third moving rod 312a for connecting the clamping assembly 320 is disposed on the third cylinder 312, when the clamping mechanism works, the third cylinder 312 pushes the third moving rod 312a, because the third moving rod 312a is connected with the clamping assembly 320, and the clamping assembly 320 is movably installed on the lifting guide rail 311, so that when the third cylinder 312 pushes the third moving rod 312a to move, the clamping assembly 320 will move along the track of the lifting guide rail 311, so that the clamping assembly 320 can move relative to the lifting guide rail 311, that is, to achieve lifting of the clamping assembly 320.

The clamping assembly 320 includes a connecting seat 321 connected with a third moving rod 312a, the connecting seat 321 is connected with the lifting guide rail 311 through a lifting slider 322, a third cylinder 323 is arranged on the connecting seat 321, the third cylinder 323 is provided with a pair of clamping jaws 323a, during the operation of the clamping assembly 320, the connecting seat 321 is firstly positioned at the top end of the lifting guide rail 311, namely, the connecting seat 321 is positioned at the initial position of the lifting guide rail 311, then, the third cylinder 323 controls the two clamping jaws 323a to open the two clamping jaws 323a, so that a gap for accommodating a workpiece is formed between the two clamping jaws 323a, thereafter, the penetrating needle 2311a is inserted between the two clamping jaws 323a, the third cylinder 323 controls the two clamping jaws 323a again, so that the gap between the two clamping jaws 323a is reduced until the workpiece is clamped by the two clamping jaws 323a, then, the second cylinder 231 drives the penetrating needle 2311a to reset, and then, the third cylinder 312 pushes out the third moving rod 312a, the two clamping hands 323a drive the workpiece to move to a position between the left feeding mechanism 400 and the right feeding mechanism 500, when the left feeding mechanism 400 and the right feeding mechanism 500 clamp the workpiece, the two clamping hands 323a release the workpiece, and the third cylinder 312 drives the fixing seat to reset to the initial position through the third moving rod 312a, so that the two grippers can grab the next workpiece again.

As shown in fig. 1, 7 and 9, the left feeding mechanism 400 includes a fourth moving rod 411 movably passing through the clamping table 110, one side of the casing 100 is provided with a fourth cylinder 410 for pushing the fourth moving rod 411 to move, the right feeding mechanism 500 includes a fifth cylinder 510 disposed on the worktable 140, the fifth cylinder 510 is provided with a fifth moving rod 511, the casing 100 is provided with a fixing sleeve 120 for passing through the fourth moving rod 411, one end of the fixing sleeve 120 close to the clamping table 110 is provided with a chuck 130, the chuck 130 is mounted in the clamping table 110, during clamping a workpiece, the fourth cylinder 410 pushes the fourth moving rod 411 out along the track of the fixing sleeve 120, meanwhile, the fifth cylinder 510 pushes the fifth moving rod 511 out, and the workpiece at this time is located between the fourth moving rod 411 and the fifth moving rod 511, so that the workpiece is placed between the fourth moving rod 411 and the fifth moving rod 511, and then, the two clamping hands 323a release the workpiece, thereafter, the fourth cylinder 410 drives the fourth moving rod 411 to retract, the fifth cylinder 510 continues to push the fifth moving rod 511 outward, and the fourth moving rod 411 and the fifth moving rod 511 synchronously transfer the workpiece into the chuck 130 of the clamping table 110.

In this embodiment, the workpiece is a tubular workpiece.

Specifically, a step ring 131 for limiting the movement of the workpiece is arranged in the chuck 130, one end of the fourth moving rod 411 is provided with a cylinder 420, one end of the fifth moving rod 511 is provided with an ejector pin 520, the fifth moving rod 511 is sleeved with a first stop ring 550, when two grippers 323a clamp the workpiece between the fourth moving rod 411 and the fifth moving rod 511, the fifth cylinder 510 pushes the fifth moving rod 511 and the ejector pin 520 to move until the ejector pin 520 is inserted into the workpiece, and a small gap is left between the first stop ring 550 and one end of the workpiece, at the same time, the fourth moving rod 411 drives the cylinder 420 to move until the cylinder 420 abuts against one end of the ejector pin, specifically, the contact point between the cylinder and the ejector pin can be inside the workpiece or outside the workpiece, so that the two mechanisms are prevented from directly contacting the outer surface of the workpiece during the workpiece conveying process of the left feeding mechanism 400 and the right feeding mechanism 500, and when the workpiece is moved into the chuck 130, after one end of the workpiece abuts against the step ring 131, the fourth cylinder 410 continues to drive the fourth moving rod 411 to reset, the fifth cylinder 510 stops working, the chuck 130 clamps the workpiece, then the fifth cylinder 510 drives the fifth moving rod 511 to reset, after the workpiece is machined, the ejector pin 520 is inserted into the workpiece again, the cylinder 420 is inserted into the workpiece and abuts against one end of the ejector pin 520, the chuck 130 is loosened, and then the cylinder 420 and the ejector pin 520 convey the workpiece out of the chuck 130 synchronously, so that the two mechanisms are prevented from being in direct contact with the outer surface of the workpiece in the process of conveying the workpiece by the left feeding mechanism 400 and the right feeding mechanism 500, and the side surface of the workpiece is protected better.

Example two

As shown in fig. 8, the present embodiment is different from the first embodiment in that the present embodiment changes partial structures of the left feeding mechanism 400 and the right feeding mechanism 500.

Specifically, one end of the fourth moving rod 411 is provided with a plurality of claws 440 in an annular array along the central axis thereof, one end of the fifth moving rod 511 is provided with a moving block 540, the moving block 540 is provided with a pair of long rods 541 and a pair of short rods 542, the two long rods 541 are symmetrical with the center of the moving block 540, the two short rods 542 are symmetrical with the center of the moving block 540, and the circumferential angle between the long rod 541 and the adjacent short rod 542 is a right angle.

When the two clamping hands 323a clamp the workpiece between the fourth moving rod 411 and the fifth moving rod 511, the fourth cylinder 410 pushes the fourth moving rod 411 and the plurality of claws 440 to move synchronously until the plurality of claws 440 are sleeved on one end of the workpiece, and at the same time, the fifth moving rod 511 drives the moving block 540 to move until the long rod 541 is contacted with the corresponding claw 440, and the short rod 542 is just sleeved on the other end of the workpiece, i.e., the plurality of claws 440, the pair of short rods 542 and the pair of long rods 541 clamp the workpiece therebetween, secondly, in this way, the contact area between the outer surface of the workpiece and the two feeding mechanisms is reduced during the process of conveying the workpiece by the left feeding mechanism 400 and the right feeding mechanism 500, when the workpiece is moved into the chuck 130 and one end of the workpiece is abutted against the step ring 131, the fourth cylinder 410 continues to drive the fourth moving rod 411 to reset, and the fifth cylinder 510 stops working, then, the chuck 130 clamps the workpiece, then, the fifth cylinder 510 drives the fifth moving rod 511 to reset, after the workpiece is machined, the plurality of jaws 440 are sleeved on one end of the workpiece again, the long rod 541 is in contact with the corresponding jaw 440, the short rod 542 is sleeved on the other end of the workpiece again, and the chuck 130 is loosened, and then the plurality of jaws 440, the pair of short rods 542 and the pair of long rods 541 synchronously convey the workpiece out of the chuck 130, so that the two mechanisms are prevented from being in direct contact with the outer surface of the workpiece in the process of conveying the workpiece by the left feeding mechanism 400 and the right feeding mechanism 500, and the side surface of the workpiece is better protected.

In the process of transferring the workpiece, the plurality of jaws 440, the pair of short rods 542 and the pair of long rods 541 are provided with limit holes 132 corresponding to the jaws 440 and the long rods 541 on the chuck 130, so that the jaws 440 and the long rods 541 can smoothly enter the chuck 130 through the corresponding limit holes 132, and the workpiece can be smoothly brought into the chuck 130.

EXAMPLE III

As shown in fig. 5 and fig. 6, the present embodiment is different from the first embodiment in that a positioning assembly 600 is added to the first embodiment.

The fixing plate 310 is provided with a positioning assembly 600 corresponding to the feeding mechanism 200, the positioning assembly 600 can pass through the fixing plate 310, and specifically, the positioning assembly 600 comprises a positioning rod 610 movably inserted in the fixing plate 310 and a fourth cylinder 620 for driving the positioning rod 610 to move, the fixing plate 310 is detachably connected with a fixing block 630, the fixing block 630 is connected with a mounting plate 640 for mounting the fourth cylinder 620, the fourth cylinder 620 is provided with a fourth pushing rod 621, the fourth pushing rod 621 is provided with a connecting plate 650 for connecting the positioning rod 610, when mounting, one needs to mount the fourth cylinder 620 on the fixing block 621 through the mounting plate 640, mount the fixing block 630 on the fixing plate 310, pass the positioning rod 610 through the fixing plate 310, and connect the fourth pushing rod 621 with the positioning rod 610 through the connecting plate 650, so that when the fourth cylinder 620 drives the fourth pushing rod 621 to move, the connecting plate 650 and the positioning rod 610 also move synchronously with the fourth pushing rod, thereby realizing that the positioning rod 610 movably penetrates through the fixing plate 310; further, in the process of clamping the workpiece by the clamping mechanism 300, since the clamping assembly 320 is located at the topmost end of the lifting guide rail 311 at this time, when the two clamping hands 323a are opened, the extension line of the positioning rod 610 passes between the two clamping hands 323a, therefore, when the threading needle 2311a drives the workpiece to be inserted between the two clamping hands 323a, the positioning rod 610 sequentially passes between the fixing plate 310 and the two clamping hands 323a until one end of the positioning rod 610 abuts against one end of the threading needle 2311a, and at the same time, the positioning rod 610 abuts against one end of the workpiece, and then the threading needle 2311a and the positioning rod 610 synchronously move towards the clamping hands 323a until the workpiece is located between the two clamping hands 323a, and then the two clamping hands 323a clamp the workpiece, so as to prevent the workpiece from being separated from the threading needle 2311a due to an excessively fast moving speed in the process of driving the workpiece to move, and thereafter, the fourth cylinder 620 drives the positioning rod 610 to reset, the second cylinder 231 drives the needle 2311a to reset, and the first cylinder 241 drives the second cylinder 231 to reset.

Example four

The present embodiment is different from the present embodiment in that a rotary cylinder (not shown) and a rotary disk (not shown) are added to the present embodiment.

A rotary cylinder (not labeled in the figure) is arranged between the connecting seat 321 and the third cylinder 323, a rotary disk (not labeled in the figure) for connecting the third cylinder 323 is arranged on the rotary cylinder (not labeled in the figure), when one end of a workpiece is processed in the working process, the workpiece is clamped out of the clamping table 110 through the cooperation of the left feeding mechanism 400 and the right feeding mechanism 500, the workpiece is clamped again by the clamping hand 323a of the clamping assembly 320, the left feeding mechanism 400 and the right feeding mechanism 500 are reset, then the rotary cylinder (not labeled in the figure) controls the rotary disk (not labeled in the figure) to rotate, so that the two clamping hands 323a drive the workpiece to rotate 180 degrees, then the workpiece is clamped again by the left feeding mechanism 400 and the right feeding mechanism 500, the clamping hand 323a is released and reset, the workpiece is conveyed to the clamping table 110 by the left feeding mechanism 400 and the right feeding mechanism 500 again, and thus, the processing of both ends of the workpiece can be realized.

EXAMPLE five

As shown in fig. 1 to 5, 7 and 9, the following is a control method of a fully automatic numerical control machine tool according to a first embodiment of the present invention, including:

s1, the vibration disk 210 is opened, the vibration disk 210 vibrates, and because one end of the discharge guide rail 211 is communicated with the inside of the vibration disk 210, the workpiece in the vibration disk 210 is sequentially conveyed into the discharge guide rail 211 along with the vibration of the vibration disk 210, and because the discharge guide rail 211 is arranged obliquely relative to the horizontal plane, the workpiece entering the discharge guide rail 211 can move downward along the track of the discharge guide rail 211, and the material receiving assembly 230 is located at the output end of the discharge guide rail 211, and then the dividing assembly 220 retracts, so that the workpiece in the discharge guide rail 211 directly slides onto the material receiving assembly 230 under the action of gravity, and when the material receiving assembly 230 receives the workpiece, the dividing assembly 220 blocks the workpiece in the discharge guide rail 211 again, so as to realize the one-by-one conveying of the workpieces by the feeding mechanism 200;

s2, the material receiving assembly 230 moves along the track of the moving guide rail 240 until the material receiving assembly 230 moves to the other end of the moving guide rail 240, and the material receiving assembly 230 contacts with the buffer block 242b, and then the material receiving assembly 230 sends the workpiece into the clamping mechanism 300;

s3, clamping the workpiece by the clamping mechanism 300, and resetting the material receiving assembly 230;

s4, the clamping mechanism 300 drives the workpiece to move downward along the track of the lifting rail 311 until the clamping mechanism 300 conveys the workpiece between the left feeding mechanism 400 and the right feeding mechanism 500;

s5, the left feeding mechanism 400 and the right feeding mechanism 500 move relatively until the workpiece is placed between the left feeding mechanism 400 and the right feeding mechanism 500, specifically, the fifth cylinder 510 pushes the fifth moving rod 511 and the ejector pin 520 to move until the ejector pin 520 is inserted into the workpiece, and a small gap is left between the first stop ring 550 and one end of the workpiece, and at the same time, the fourth moving rod 411 drives the cylinder 420 to move until the cylinder abuts against one end of the ejector pin, so as to prevent the two mechanisms from directly contacting the outer surface of the workpiece and the clamping mechanism 300 from resetting during the process of conveying the workpiece by the left feeding mechanism 400 and the right feeding mechanism 500;

s6, synchronously transferring the workpiece into the chuck 130 of the clamping table 110 by the left feeding mechanism 400 and the right feeding mechanism 500;

s7, when the workpiece moves to the chuck 130 and one end of the workpiece abuts against the step ring 131, the fourth cylinder 410 continues to drive the fourth moving rod 411 to reset, the fifth cylinder 510 stops working, and then the chuck 130 clamps the workpiece;

s8, the fifth cylinder 510 drives the fifth moving rod 511 to reset, and a workpiece is machined;

s9, after the workpiece is processed, the thimble 520 is inserted into the workpiece again, the column 420 abuts against one end of the thimble 520 inserted into the workpiece, and the chuck 130 is released, so that the left feeding mechanism 400 and the right feeding mechanism 500 are prevented from directly contacting the outer surface of the workpiece during the process of conveying the workpiece, thereby better protecting the side surface of the workpiece;

s10, the cylinder 420 and the thimble 520 are synchronized to convey the workpiece out of the chuck 130.

In the embodiment, the control method of the full-automatic numerical control machine tool effectively enhances the stability of the full-automatic numerical control machine tool in conveying the workpiece, and simultaneously avoids the damage to the outer surface of the workpiece caused by the full-automatic numerical control machine tool in the conveying process.

EXAMPLE six

As shown in fig. 8, the difference between the present embodiment and the fourth embodiment is that the control method of the present embodiment corresponds to the left feeding mechanism and the right feeding mechanism in the second embodiment, and includes:

s5, the left feeding mechanism 400 and the right feeding mechanism 500 move relatively until the workpiece is placed between the left feeding mechanism 400 and the right feeding mechanism 500, specifically, the fourth cylinder 410 pushes the fourth moving rod 411 and the plurality of claws 440 to move synchronously until the plurality of claws 440 are sleeved on one end of the workpiece, meanwhile, the fifth moving rod 511 drives the moving block 540 to move until the long rod 541 is contacted with the corresponding claw 440, and the short rod 542 is just sleeved on the other end of the workpiece, that is, the plurality of claws 440, the pair of short rods 542 and the pair of long rods 541 clamp the workpiece therebetween;

s6, synchronously transferring the workpiece into the chuck 130 of the clamping table 110 by the left feeding mechanism 400 and the right feeding mechanism 500;

s7, when the workpiece moves to the chuck 130 and one end of the workpiece abuts against the step ring 131, the fourth cylinder 410 continues to drive the fourth moving rod 411 to reset, the fifth cylinder 510 stops working, and then the chuck 130 clamps the workpiece;

s8, the fifth cylinder 510 drives the fifth moving rod 511 to reset, and a workpiece is machined;

s9, after the workpiece is machined, the plurality of jaws 440 are sleeved on one end of the workpiece again, the long rod 541 is in contact with the corresponding jaw 440, the short rod 542 is sleeved on the other end of the workpiece again, and the chuck 130 is loosened, so that the two mechanisms are prevented from being in direct contact with the outer surface of the workpiece during the process of conveying the workpiece by the left feeding mechanism 400 and the right feeding mechanism 500, and the side surfaces of the workpiece are better protected;

s10, jaws 440, a pair of short bars 542, and a pair of long bars 541, simultaneously transport the workpiece out of the chuck 130.

Through the arrangement of the method, the full-automatic machine tool can machine tubular workpieces with different specifications.

EXAMPLE seven

The present embodiment is different from the fifth embodiment in that the present embodiment further refines step S2 on the basis of the fourth embodiment.

Specifically, step S2 includes:

s21, the material receiving assembly 230 moves along the track of the moving guide rail 240, and when the buffer block 242b blocks the material receiving assembly 230, the material receiving assembly 230 stops moving, and at this time, the material receiving assembly 230 drives the workpiece to be conveyed to the other end of the moving guide rail 240;

s22, the positioning assembly 600 passes through the clamping mechanism 300 and moves toward the receiving assembly 230 until the positioning rod 610 of the positioning assembly 600 abuts against one end of the needle 2311a of the receiving assembly 230, that is, the positioning rod 610 and the needle 2311a act to clamp the workpiece, so as to prevent the workpiece from being separated from the needle 2311a in the process that the needle 2311a drives the workpiece to move;

and S23, conveying the workpiece into the clamping mechanism 300 synchronously by the positioning assembly 600 and the receiving assembly 230.

Through this embodiment, avoid the in-process that the needle 2311a drove the work piece motion, the work piece breaks away from out from needle 2311a to guarantee to connect the stability that material subassembly 230 carried the work piece to in the centre gripping subassembly 320.

Example eight

As shown in fig. 10 and fig. 11, the present embodiment is different from the first embodiment in that the present embodiment changes partial structures of the left feeding mechanism and the right feeding mechanism and replaces the needle penetrating in the receiving assembly with a sleeve.

In this embodiment, the workpiece is a solid cylindrical workpiece.

The first push block 2311 is provided with a sleeve 2311c, one end of a workpiece is directly inserted into the sleeve in the process of containing the workpiece by the material receiving assembly, and the sleeve drives the workpiece to move when the material receiving assembly moves.

One end of the fourth moving rod is provided with a left top column 430, one end of the fifth moving rod is provided with a right top column 530, when a workpiece is positioned between the fourth moving rod and the fifth moving rod, the fifth cylinder pushes the fifth moving rod and the right top column 530 to move until the right top column 530 butts against one end surface of the workpiece, meanwhile, the fourth moving rod drives the left top column 430 to move until the left top column 430 butts against the other end surface of the workpiece, namely, the left top column 430 and the right top column 530 clamp the workpiece between the left top column and the right top column, thus avoiding the direct contact between the left feeding mechanism and the right feeding mechanism and the outer surface of the workpiece in the process of conveying the workpiece, when the workpiece is moved into the chuck and one end of the workpiece butts against the step ring, the fourth cylinder continues to drive the fourth moving rod to reset, the fifth cylinder stops working, then the chuck clamps the workpiece, and then, the fifth cylinder drives the fifth moving rod to reset, after the workpiece is machined, the right top pillar 530 supports against one end face of the workpiece again, the left top pillar 430 supports against the other end face of the workpiece again, the chuck is loosened, and then the left top pillar 430 and the right top pillar 530 synchronously convey the workpiece out of the chuck, so that the two mechanisms are prevented from being in direct contact with the outer surface of the workpiece in the process of conveying the workpiece by the left feeding mechanism and the right feeding mechanism, and the side face of the workpiece is protected better.

Example nine

As shown in fig. 10 and 11, the present embodiment is different from the fourth embodiment in that the control method of the present embodiment corresponds to the left feeding mechanism and the right feeding mechanism in the seventh embodiment, and includes:

s5, the left feeding mechanism 400 and the right feeding mechanism 500 move relatively until the workpiece is placed between the left feeding mechanism 400 and the right feeding mechanism 500, specifically, the fifth cylinder pushes the fifth moving rod and the right supporting pillar 530 to move until the right supporting pillar 530 abuts against one end surface of the workpiece, and at the same time, the fourth moving rod drives the left supporting pillar 430 to move until the left supporting pillar 430 abuts against the other end surface of the workpiece, that is, the left supporting pillar 430 and the right supporting pillar 530 clamp the workpiece therebetween;

s6, synchronously transferring the workpiece into the chuck 130 of the clamping table 110 by the left feeding mechanism 400 and the right feeding mechanism 500;

s7, when the workpiece is moved into the chuck 130 and one end of the workpiece abuts against the step ring 131, the fourth cylinder 410 continues to drive the fourth moving rod 411 to reset, the fifth cylinder 510 stops working, and then the chuck 130 clamps the workpiece;

s8, the fifth cylinder 510 drives the fifth moving rod 511 to reset, and a workpiece is machined;

s9, after the workpiece is processed, the right top pillar 530 supports against one end surface of the workpiece again, the left top pillar 430 supports against the other end surface of the workpiece again, and the chuck is released, so that the two mechanisms are prevented from directly contacting the outer surface of the workpiece during the process of conveying the workpiece by the left feeding mechanism 400 and the right feeding mechanism 500, thereby better protecting the side surface of the workpiece;

s10, the left top post 430 and the right top post 530 synchronously convey the workpiece out of the chuck.

Through the arrangement of the method, the full-automatic machine tool can machine solid cylinder workpieces with different specifications.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (10)

1. A full-automatic numerical control machine tool comprises a machine shell, wherein a clamping table is arranged in the machine shell, and the full-automatic numerical control machine tool is characterized in that a feeding mechanism is arranged on the machine shell;

the clamping mechanism is arranged in the machine shell and can lift relative to the machine shell;

the left feeding mechanism is arranged in the machine shell and movably penetrates through the clamping table;

the right feeding mechanism is arranged in the machine shell and can move relative to the machine shell, when the feeding mechanism conveys the workpiece into the clamping mechanism, the clamping mechanism clamps the workpiece between the left feeding mechanism and the right feeding mechanism, and then the left feeding mechanism and the right feeding mechanism transfer the workpiece into the clamping table; a positioning assembly corresponding to the feeding mechanism is arranged on one side of the clamping mechanism and can penetrate through the clamping mechanism; the positioning assembly comprises a positioning rod capable of penetrating through the clamping mechanism and a fourth cylinder body used for driving the positioning rod to move, when a workpiece is machined, the workpiece is loosened by the clamping table, and the workpiece is synchronously transferred to the outside of the chuck by the left feeding mechanism and the right feeding mechanism.

2. The full-automatic numerical control machine tool according to claim 1, characterized in that a vibration disk is arranged on one side of the casing, and a discharging guide rail for outputting the workpieces in the vibration disk one by one is arranged on the vibration disk.

3. The full-automatic numerical control machine tool according to claim 2, wherein the feeding mechanism comprises a dividing assembly for limiting the output of the workpiece in the discharging guide rail and a receiving assembly for receiving the workpiece output from the discharging guide rail, and the machine shell is provided with a moving guide rail for guiding the directional movement of the receiving assembly.

4. The full-automatic numerical control machine tool according to claim 1, wherein the clamping mechanism comprises a fixed plate installed in the housing, a lifting guide rail is arranged on the fixed plate, a clamping assembly is movably installed on the lifting guide rail, a third cylinder for driving the clamping assembly to move along the track of the lifting guide rail is arranged at one end of the fixed plate, and a third moving rod for connecting the clamping assembly is arranged on the third cylinder.

5. The automatic numerical control machine according to claim 4, wherein the clamping assembly comprises a connecting seat connected with a third moving rod, the connecting seat is connected with the lifting guide rail through a lifting slider, a third cylinder is arranged on the connecting seat, and a pair of clamping hands is arranged on the third cylinder.

6. The full-automatic numerical control machine tool according to claim 4, characterized in that a fixed block is detachably connected to the fixed plate, a mounting plate for mounting a fourth cylinder is connected to the fixed block, a fourth push rod is arranged on the fourth cylinder, and a connecting plate for connecting a positioning rod is arranged on the fourth push rod.

7. The full-automatic numerical control machine tool according to claim 1, wherein the left feeding mechanism comprises a fourth moving rod movably penetrating through the clamping table, a fourth cylinder for pushing the fourth moving rod to move is arranged on one side of the machine shell, and a workbench for installing the right feeding mechanism is arranged in the machine shell.

8. The full-automatic numerical control machine tool according to claim 7, wherein the right feeding mechanism comprises a fifth cylinder arranged on the workbench, and a fifth moving rod is arranged on the fifth cylinder; a fixed sleeve for penetrating the fourth moving rod is arranged in the machine shell, a chuck is arranged at one end of the fixed sleeve close to the clamping table, and the chuck is arranged in the clamping table; and a step ring for limiting the movement of the workpiece is arranged in the chuck.

9. A control method of a full-automatic numerical control machine tool is characterized by comprising the following steps:

s1, opening the vibration disc, and conveying the workpieces in the vibration disc into the material receiving assembly one by one through the discharge guide rail;

s2, the material receiving assembly moves along the track of the moving guide rail, and when the material receiving assembly conveys the workpiece to the other end of the moving guide rail, the material receiving assembly conveys the workpiece into the clamping mechanism;

s3, clamping the workpiece by the clamping mechanism, and resetting the material receiving assembly;

s4, the clamping mechanism drives the workpiece to move downwards along the track of the lifting guide rail until the clamping mechanism conveys the workpiece between the left feeding mechanism and the right feeding mechanism;

s5, the left feeding mechanism and the right feeding mechanism move relatively until the workpiece is arranged between the left feeding mechanism and the right feeding mechanism, and the clamping mechanism resets;

s6, synchronously transferring the workpiece to a chuck of the clamping table by the left feeding mechanism and the right feeding mechanism;

s7, resetting the left feeding mechanism, and clamping the workpiece by the chuck;

s8, resetting the right feeding mechanism and processing the workpiece;

s9, after the workpiece is machined, the left feeding mechanism and the right feeding mechanism move relatively until the workpiece is arranged between the left feeding mechanism and the right feeding mechanism, and the chuck is loosened;

and S10, synchronously transferring the workpiece to the outside of the chuck by the left feeding mechanism and the right feeding mechanism.

10. The control method of a full automatic numerical control machine tool according to claim 9, wherein the step S2 includes:

s21, the material receiving assembly moves along the track of the movable guide rail, when the buffer block blocks the material receiving assembly, the material receiving assembly stops moving, and at the moment, the material receiving assembly drives the workpiece to be conveyed to the other end of the movable guide rail;

s22, the positioning assembly passes through the clamping mechanism and moves towards the material receiving assembly until the positioning assembly and the material receiving assembly clamp the workpiece at the same time;

and S23, conveying the workpiece to the clamping mechanism synchronously by the positioning assembly and the material receiving assembly.

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