CN113319378A - Full-automatic tapping and conveying method of integrated assembly line - Google Patents
Full-automatic tapping and conveying method of integrated assembly line Download PDFInfo
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- CN113319378A CN113319378A CN202010127690.2A CN202010127690A CN113319378A CN 113319378 A CN113319378 A CN 113319378A CN 202010127690 A CN202010127690 A CN 202010127690A CN 113319378 A CN113319378 A CN 113319378A
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- tapping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G11/00—Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines
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Abstract
The invention discloses a full-automatic tapping and conveying method of an integrated assembly line, which comprises the steps of automatic grabbing after tapping, automatic conveying, automatic weighing, automatic bad detection and the like. The invention has the beneficial effects that: the tapping operation is carried out in a full-automatic mode, manual intervention is not needed in the whole process, labor force is reduced, and production efficiency and safety performance are improved; meanwhile, the tapping machine has the functions of weighing, detecting and conveying besides tapping, and the yield and the quality of products are guaranteed.
Description
Technical Field
The invention belongs to the technical field of machine manufacturing, and particularly relates to a full-automatic tapping and conveying method of an integrated assembly line.
Background
Tapping is a metal cutting process in which a tap is screwed into a bottom hole of a fastener blank to be drilled with a certain torque to machine an internal thread. In the conventional fastener manufacturing, the thread is processed by adopting a manual tapping machine. The quality of manual tapping is greatly influenced by human factors, the diameter of some threaded holes is very small, or the tapping difficulty is greatly increased due to the limitation of the positions of some threaded holes or the shapes of parts and the like.
The required manual work of traditional tapping operation is more, except that operating efficiency is low, also relatively higher to operator's technical requirement, and tapping in-process operator's both hands need be balanced hard, and the contraindication is hard and is rocked about with violently, otherwise easily tear the screw thread tooth form and lead to the screw hole to enlarge and appear the tapering to can break the screw tap. The conveying of products after tapping is finished also needs manpower or robots, but the conveying mode is only suitable for short-distance conveying, and the conveying mode cannot guarantee whether the products are damaged or not in the conveying process.
In summary, improving tapping efficiency and increasing the yield and quality of tapped products are the technical problems to be solved urgently at present.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a full-automatic tapping and conveying method of an integrated assembly line.
The purpose of the invention is realized by the following technical scheme:
the full-automatic tapping and conveying method of the integrated assembly line comprises the following steps:
s1, placing the product to be tapped on a workpiece positioning block on the tapping platform;
s2, starting the tapping device, driving the screw tap to rotate clockwise by the servo motor of the tapping device, and automatically fixing the product to be tapped by the workpiece positioning block;
s3, operating the tapping device, rotating the tap clockwise and descending the tap, and tapping the product by the tapping thread at the front end of the tap;
s4, when the tapping operation is finished, the tapping device is reset, the servo motor drives the screw tap to rotate anticlockwise and ascend, and the conveying line starts conveying after receiving a reverse signal of the servo motor;
s5, automatically loosening the product by the workpiece positioning block, and placing the product on the conveying line by a manipulator;
s6, after the product placement signal is received by the conveying line, an induction door at the far end of the conveying direction of the conveying line is opened;
and S7, detecting the product by the image detection unit above the conveying line, transmitting the product to the next operation station through the conveying line if no error exists, and sending a fault signal and stopping the conveying line if the error exists.
Preferably, the transfer line is provided at one side of the tapping device.
Preferably, the contact surface between the workpiece positioning block and the product to be tapped is an electromagnet, and in step S2, after the product to be tapped is placed on the workpiece positioning block, the electromagnet is powered on and generates a magnetic force for tightly attracting the product.
Preferably, the power source of the electromagnet is the servo motor of the tapping device, the power-on start signal is the forward voltage signal started by the servo motor of the tapping device in the step S2, and the power-off start signal is the reverse voltage signal started by the servo motor of the tapping device in the step S5.
Preferably, in step S4, the start signal of the transmission line is a reverse voltage signal of the start of a servo motor of the tapping unit.
Preferably, in step S4, the fault signal of the servo motor of the tapping unit is an emergency stop signal of the feed line.
Preferably, in step S6, the front end of transfer chain is weighing roller, the enabling signal of induction door is weighing roller' S received weight signal, induction door is driven by revolving cylinder, and after receiving the received weight signal, revolving cylinder drive induction door rotatory 90 makes induction door from perpendicular to the top of transfer chain converts the parallel one side of arranging in the transfer chain.
Preferably, in step S6, the time period for the product to pass through the door is 2 seconds, and the door is automatically closed after the time period is exceeded.
Preferably, an infrared counter is arranged on the conveying line.
Preferably, the image detection unit is a CCD camera and is used for detecting the tapping condition of the product.
The technical scheme of the invention has the advantages that: the tapping operation is carried out in a full-automatic mode, manual intervention is not needed in the whole process, labor force is reduced, and production efficiency and safety performance are improved; meanwhile, the tapping machine has the functions of weighing, detecting and conveying besides tapping, and the yield and the quality of products are guaranteed.
Drawings
FIG. 1: the invention discloses a front view of a full-automatic tapping and conveying method of an integrated assembly line;
FIG. 2: the invention discloses a side view of a full-automatic tapping conveying method of an integrated assembly line;
FIG. 3: the invention discloses a top view of a full-automatic tapping and conveying method of an integrated assembly line.
Detailed Description
Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. The embodiments are merely exemplary for applying the technical solutions of the present invention, and any technical solution formed by replacing or converting the equivalent thereof falls within the scope of the present invention claimed.
In the description of the schemes, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.
As shown in fig. 1 to 2, the invention discloses a full-automatic tapping and conveying method for an integrated production line, which comprises a servo motor 1 for driving a tapping device 100 to start or stop, wherein the servo motor 1 drives a tap 2 arranged on the tapping device 100 to rotate. The tapping device 100 is further provided with a tapping platform 3, the tapping platform 3 is located below the tap 2, and in an initial state, the tapping platform and the tap are not in contact with each other. One side electric connection of tapping platform 3 has a transfer chain 4 that is used for transmitting the product of accomplishing the tapping. The other side of the screw thread tapping machine can be provided with a feeding platform 5 for placing a product to be tapped.
As shown in fig. 1, a workpiece positioning block 31 is fixed to the tapping platform 3 by bolts, and similarly, the tap 2 is located above the workpiece positioning block 31, and in an initial state, the tap 2 is not in contact with the workpiece positioning block 31. The workpiece positioning block 31 is provided with a positioning hole through which the screw tap 2 can conveniently penetrate, and the size and the height of the workpiece positioning block 31 are matched with a product to be tapped, so that only one product can be tapped at a time, and the possibility of damage to the screw tap 2 caused by improper operation is greatly reduced.
As shown in fig. 2, the tap 2 and the tapping device 100 are fixed by bolts, a tapping thread 21 for tapping is provided at the front end of the tap, and the length of the tapping thread 21 is consistent with the thickness of a product to be tapped, so as to tap the product to be tapped. Of course, the diameter of the tap 2 matched with different types of products and the corresponding density of the tapping threads 21 on the tap 2 are different. Before tapping operation is carried out on different types of products, the corresponding screw tap 2 can be replaced by screwing the bolt. After the corresponding tap 2 is replaced, the tapping time length of the tap 2 with the corresponding size can be preset by adjusting the tapping position 22 on the side surface of the tapping device 100. The tapping time period corresponding to the different taps 2 is equal to the tapping time period of the tapping thread 21 provided thereon. Of course, the duration can also be implemented by programming, and the implementation manner thereof is diversified and is the prior art, and is not described in detail herein.
As shown in fig. 1 to 2, before the tapping operation is to be performed using the tap 2, the servo motor 1 starts a forward signal to rotate the tap 2 in a forward direction. Meanwhile, the surface of the product to be tapped, which is provided with an electromagnet (not shown in the figure), is fixed on the workpiece positioning block 31, and when the electromagnet is electrified, magnetic force can be generated and fixed on the workpiece positioning block. And after the product to be tapped is fixed, the screw tap 2 descends while rotating, and the product to be tapped is subjected to tapping operation.
When the tap 2 performs a tapping operation on a product, a part of the scrap will be splashed onto the tapping platform 3, and a part of the scrap will enter the positioning hole of the workpiece positioning block 31. Since the workpiece positioning block 31 is bolted to the tapping platform 3, the workpiece positioning block 31 can be detached from the tapping platform 3. Therefore, on one hand, the accumulated scraps in the waste material can be cleaned regularly; in addition, when the size of the product to be tapped is different from that of the product to be tapped last time, the workpiece positioning block 31 with the size same as that of the product to be tapped can be installed in a disassembling and assembling mode, namely, each size of the product to be tapped is at least provided with one workpiece positioning block 31 with the size same as that of the product to be tapped. Thus, the operation is simple and the investment cost is reduced.
After tapping is completed, i.e. after the tapping time set by the tapping position 22 is reached, the tapping device 100 will send a reset signal. Once this signal is sent, the servomotor 1 immediately starts the reverse voltage. The screw tap 2 rotates reversely and ascends at random after a reverse signal sent by the servo motor 1 until the screw tap 2 is completely reset. Since the servo motor 1 starts the reverse voltage, the electromagnet on the product is in a power-off state, and therefore the product can be taken out of the workpiece positioning block 31.
As shown in fig. 2, when the servo motor 1 starts the reverse voltage and the conveying line 4 on the side of the tapping platform 3 receives the signal, the second motor 41 on the side of the conveying line 4 away from the tapping platform 3 is started immediately to drive the conveying line 4 to operate. The tapped product taken out is placed on the conveyor line 4 in operation. The products move in the conveying direction of the conveying line 4. When the tapping device 100 breaks down, the servo motor 1 immediately sends out a fault signal and starts a whistle alarm, and at the moment, the conveying line 4 immediately stops conveying products after receiving the fault signal to wait for troubleshooting the original fault.
As shown in fig. 2 to 3, a weighing roller 45 is provided at the front end of the conveyor line 4, and when a product is placed on the conveyor line 4, the product must pass through the weighing roller 45 and start to send a load signal. The detection area 43 is arranged at the middle section of the conveyor line 4, and a group of induction doors 42 is arranged at the foremost end of the detection area 43. When the weighing roller 45 sends a weight signal, the door 42 is opened, and the product enters the detection area 43. The sensor door 42 is driven by a rotary cylinder (not shown in the figure), and when receiving a heavy signal, the rotary cylinder drives the sensor door 42 to rotate by 90 degrees, so that the sensor door 42 is converted from the position vertical to the conveying line 4 to be arranged on one side of the conveying line 4 in parallel. The opening duration of the induction door 42 can be preset, and is generally set to 2 seconds, and of course, the duration needs to be adjusted accordingly according to the actual application situation. Besides presetting the opening time, an infrared sensor can be arranged on the outer side surface of the induction door 42 and is opened when a product approaches the induction door 42; closed when product passes back gate 42 or no product reaches the gate. Of course, there are many existing technologies to realize the automatic switch function besides the above method, all of which are the existing technologies and will not be elaborated herein too much. The present invention is described by taking a preset time as an example, and the implementation manner thereof is not limited.
As shown in fig. 1, image detecting units 44 for detecting the tapping condition of the product are disposed at both sides of the detecting area 43. The image detection unit 44 is a CCD camera. When the product is tapped and is not damaged, the product is sequentially transmitted backwards through the conveying line 4; otherwise a fault signal will be sent out while the operation of the conveyor line 4 is stopped. After the corresponding fault product is taken out, the fault signal is relieved and the conveying line 4 is restored to operate.
An infrared counter (not shown) is provided at the rearmost end of the detection unit 43. Since all the defective and damaged products are removed before the defective product reaches the position, the truly usable product finally reaches the position, and the finished and well-conditioned product is counted by an infrared counter at the moment. The data measured by the infrared technologist can obtain the number of effective products in unit time so as to facilitate statistics and analysis of daily working conditions.
The following describes the operation steps of the present invention:
s1, placing a product to be tapped on the workpiece positioning block 31 on the tapping platform 3;
s2, starting the tapping device 100, wherein the servo motor 1 positioned on the tapping device sends a positive signal and drives the screw tap 2 to rotate clockwise, and meanwhile, the product to be tapped is fixed on the upper surface of the workpiece positioning block 31;
s3, operating the tapping device 100, rotating the tap 2 clockwise and descending, and tapping the product by the tapping thread 21 at the front end of the tap 2;
s4, after the tapping operation is finished, the tapping device 100 is reset, the servo motor 1 sends a reverse signal and drives the screw tap 2 to rotate anticlockwise and ascend, and the conveying line 4 starts conveying after receiving the reverse signal;
s5, after receiving the reverse signal, the workpiece positioning block 31 automatically releases the product, and the manipulator places the product on the conveying line 4;
s6, after the conveying line 4 receives the product placing signal, the induction door 42 arranged on the conveying line 4 is opened;
and S7, detecting the tapping condition and quality of the product by the image detection unit 44 positioned above the conveying line 4, transmitting the product to the next operation station by the conveying line 4 if no error is detected, and sending a fault signal and stopping operating the conveying line 4 if the error is detected.
The invention has various embodiments, and all technical solutions formed by adopting equivalent transformation or equivalent transformation are within the protection scope of the invention.
Claims (10)
1. Full-automatic tapping conveying method of integration assembly line, its characterized in that: the method comprises the following steps:
s1, placing a product to be tapped on the workpiece positioning block (31) on the tapping platform (3);
s2, starting the tapping device (100), driving the screw tap (2) to rotate clockwise by the servo motor (1), and automatically fixing the product to be tapped by the workpiece positioning block (31);
s3, the tapping device (100) works, the screw tap (2) rotates clockwise and descends, and the tapping thread (21) at the front end of the screw tap carries out tapping operation on the product;
s4, after the tapping operation is finished, the tapping device (100) is reset, the servo motor (1) drives the screw tap (2) to rotate anticlockwise and ascend, and the conveying line (4) starts conveying after receiving a reverse signal of the servo motor (1);
s5, automatically loosening the products by the workpiece positioning block (31), and placing the products on the conveying line (4) by a mechanical arm;
s6, after the conveying line (4) receives the product placement signal, the induction door (42) at the far end of the conveying direction of the conveying line (4) is opened;
and S7, detecting the product by an image detection unit (44) positioned above the conveying line (4), transmitting the product to the next operation station through the conveying line (4) without error, and sending a fault signal and stopping the conveying line (4) if the product is detected by error.
2. The full-automatic tapping and conveying method of the integrated assembly line according to claim 1, wherein the full-automatic tapping and conveying method comprises the following steps: the conveying line (4) is arranged on one side of the tapping device (100).
3. The full-automatic tapping and conveying method of the integrated assembly line according to claim 1, wherein the full-automatic tapping and conveying method comprises the following steps: the contact surface between the workpiece positioning block (31) and the product to be tapped is an electromagnet, and in the step S2, after the product to be tapped is placed on the workpiece positioning block (31), the electromagnet is electrified and generates magnetic force for tightly attracting the product.
4. The full-automatic tapping and conveying method of the integrated assembly line according to claim 3, wherein the full-automatic tapping and conveying method comprises the following steps: the power source of the electromagnet is the servo motor (1) of the tapping device (100), the power-on starting signal is a forward voltage signal started by the servo motor (1) of the tapping device (100) in the step S2, and the power-off starting signal is a reverse voltage signal started by the servo motor (1) of the tapping device (100) in the step S5.
5. The full-automatic tapping and conveying method of the integrated assembly line according to claim 1, wherein the full-automatic tapping and conveying method comprises the following steps: in the step S4, the start signal of the conveyor line (4) is a reverse voltage signal of the start of the servo motor (1) of the tapping device (100).
6. The full-automatic tapping and conveying method of the integrated assembly line according to claim 5, wherein the full-automatic tapping and conveying method comprises the following steps: in the step S4, the failure signal of the servo motor (1) of the tapping unit (100) is an emergency stop signal of the conveyor line (4).
7. The full-automatic tapping and conveying method of the integrated assembly line according to claim 1, wherein the full-automatic tapping and conveying method comprises the following steps: in step S6, the front end of transfer chain (4) is weighing roller (45), the enabling signal of induction door (42) is weighing roller (45)' S received weight signal, induction door (42) is driven by revolving cylinder, and after receiving the received weight signal, revolving cylinder drive induction door (42) rotatory 90 makes induction door (42) are from the perpendicular to the top of transfer chain (4) is converted the parallel and is arranged in one side of transfer chain (4).
8. The full-automatic tapping and conveying method of the integrated assembly line according to claim 7, wherein the tapping and conveying method comprises the following steps: in the step S6, the time period for the product to pass through the sensor door (42) is 2 seconds, and the sensor door (42) is automatically closed after the time period is exceeded.
9. The full-automatic tapping and conveying method of the integrated assembly line according to claim 7, wherein the tapping and conveying method comprises the following steps: and an infrared counter is arranged on the conveying line (4).
10. The full-automatic tapping and conveying method of the integrated assembly line according to claim 7, wherein the tapping and conveying method comprises the following steps: the image detection unit (44) is a CCD camera and is used for detecting the tapping condition of the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010127690.2A CN113319378A (en) | 2020-02-28 | 2020-02-28 | Full-automatic tapping and conveying method of integrated assembly line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010127690.2A CN113319378A (en) | 2020-02-28 | 2020-02-28 | Full-automatic tapping and conveying method of integrated assembly line |
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| CN113319378A true CN113319378A (en) | 2021-08-31 |
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| CN202010127690.2A Pending CN113319378A (en) | 2020-02-28 | 2020-02-28 | Full-automatic tapping and conveying method of integrated assembly line |
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Citations (10)
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|---|---|---|---|---|
| JPH01216750A (en) * | 1988-02-23 | 1989-08-30 | Honda Motor Co Ltd | Device for inspecting machining of workpiece |
| JP2013121635A (en) * | 2011-12-12 | 2013-06-20 | Amada Co Ltd | Tapping device, and machining failure determination method |
| CN104122265A (en) * | 2013-04-28 | 2014-10-29 | 郑州大学 | Method and system for checking screw hole thread missing of metal plate |
| CN204053154U (en) * | 2014-09-10 | 2014-12-31 | 温州金通成套电器有限公司 | A kind of threading production line |
| CN104308546A (en) * | 2014-09-28 | 2015-01-28 | 陈伟琛 | Turning, milling, grinding and detecting integrated composite machine tool |
| CN105181369A (en) * | 2015-08-20 | 2015-12-23 | Tcl王牌电器(惠州)有限公司 | Detection system and detection method for home theater equipment |
| CN205852002U (en) * | 2016-03-30 | 2017-01-04 | 昆山市飞鹏金属工业有限公司 | A kind of automatic tapping machine |
| CN206253762U (en) * | 2016-11-18 | 2017-06-16 | 上海富驰高科技有限公司 | Automatic tapping device |
| CN108788757A (en) * | 2018-08-01 | 2018-11-13 | 常熟市杜尼电子有限责任公司 | The full-automatic tapping die structure of high speed and precision and its tapping method in mould |
| CN208155885U (en) * | 2018-04-27 | 2018-11-27 | 三固（厦门）科技有限公司 | A kind of automatic detecting tool of tapping |
-
2020
- 2020-02-28 CN CN202010127690.2A patent/CN113319378A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01216750A (en) * | 1988-02-23 | 1989-08-30 | Honda Motor Co Ltd | Device for inspecting machining of workpiece |
| JP2013121635A (en) * | 2011-12-12 | 2013-06-20 | Amada Co Ltd | Tapping device, and machining failure determination method |
| CN104122265A (en) * | 2013-04-28 | 2014-10-29 | 郑州大学 | Method and system for checking screw hole thread missing of metal plate |
| CN204053154U (en) * | 2014-09-10 | 2014-12-31 | 温州金通成套电器有限公司 | A kind of threading production line |
| CN104308546A (en) * | 2014-09-28 | 2015-01-28 | 陈伟琛 | Turning, milling, grinding and detecting integrated composite machine tool |
| CN105181369A (en) * | 2015-08-20 | 2015-12-23 | Tcl王牌电器(惠州)有限公司 | Detection system and detection method for home theater equipment |
| CN205852002U (en) * | 2016-03-30 | 2017-01-04 | 昆山市飞鹏金属工业有限公司 | A kind of automatic tapping machine |
| CN206253762U (en) * | 2016-11-18 | 2017-06-16 | 上海富驰高科技有限公司 | Automatic tapping device |
| CN208155885U (en) * | 2018-04-27 | 2018-11-27 | 三固（厦门）科技有限公司 | A kind of automatic detecting tool of tapping |
| CN108788757A (en) * | 2018-08-01 | 2018-11-13 | 常熟市杜尼电子有限责任公司 | The full-automatic tapping die structure of high speed and precision and its tapping method in mould |
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