CN202571477U - Blade-protection device of stainless steel pipe cutting machine - Google Patents
Blade-protection device of stainless steel pipe cutting machine Download PDFInfo
- Publication number
- CN202571477U CN202571477U CN 201220074077 CN201220074077U CN202571477U CN 202571477 U CN202571477 U CN 202571477U CN 201220074077 CN201220074077 CN 201220074077 CN 201220074077 U CN201220074077 U CN 201220074077U CN 202571477 U CN202571477 U CN 202571477U
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- CN
- China
- Prior art keywords
- cutting machine
- microswitch
- air pressure
- stainless steel
- protection mechanism
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a blade-protection device of a stainless steel pipe cutting machine. The blade-protection device of the stainless steel pipe cutting machine is characterized by comprising a cutting machine master control circuit and a low air pressure protection mechanism which comprises an air pressure instrumentation and a microswitch 7 W K. The air pressure instrumentation is provided with an air pipeline connecting port and an electrical signal connecting end. The air pipeline connecting port of the air pressure instrumentation is arranged in an air compressing pipeline of the stainless steel pipe cutting machine in connecting mode. The electrical signal connecting end is electrically connected with the microswitch 7 W K which is arranged in the cutting machine master control circuit in connecting mode so that the aim that a relay actively controls and protects the cutting machine master control circuit is achieved. During operation of the cutting machine, working air pressure of the cutting machine is monitored through the low air pressure protection mechanism. Once the working air pressure of the cutting machine changes, the low air pressure protection mechanism can automatically cut off a working power supply of the cutting machine so as to do a stop action. The blade is protected from being damaged and the service life of the blade is prolonged.
Description
Technical field
The utility model relates to a kind of stainless steel tube cutting machine, particularly a kind of protective device that is applied on the stainless steel tube cutting machine.
Background technology
At present, the used stainless steel tube cutting machine of stainless steel tube manufacturing enterprise does not have the saw blade protective device.And the used saw blade of this cutting machine is an alloy saw blade, and its price is more expensive, general 350 yuan of-1000 yuan/sheets.And during this type machine works, higher to the compressed air stability requirement, as long as the compressed air that provided has fluctuation slightly, cylinder does not press tightly steel pipe in the time of will making the saw blade cutting, causes the saw blade bounce or jump and suffers damage.In addition, after alloy saw blade used a period of time, sawtooth will rust, also very easily damages like untimely replacing.Saw blade has damaged, and re-uses after just can not sharpening sawtooth, thereby causes significant wastage.
The utility model content
The purpose of the utility model is to provide a kind of and can monitors the operating air pressure of cutting machine, and the protection saw blade is not damaged, and prolongs the service life of saw blade, the saw blade protective device of the stainless steel tube cutting machine of the production and operation cost of reduction enterprise.
The further purpose of the utility model is to provide a kind of and can monitors the operating current of cutting machine motor, and the protection saw blade is not damaged, and prolongs the service life of saw blade, the saw blade protective device of the stainless steel tube cutting machine of the production and operation cost of reduction enterprise.
The technical scheme of the utility model is achieved in that
A kind of saw blade protective device of stainless steel tube cutting machine; Its characteristics are to comprise cutting machine governor circuit and low pressure protection mechanism; Wherein the low pressure protection mechanism comprises air pressure instrumentation and microswitch 7WK again; Said air pressure instrumentation is provided with air pipe connectivity port and signal of telecommunication link, and the pipeline connectivity port of this air pressure instrumentation is connected in the compressed air line of stainless steel tube cutting machine, and its signal of telecommunication link electrically connects with microswitch 7WK mutually; Said microswitch 7WK also inserts in the cutting machine governor circuit, to realize the active protection control of relay to the cutting machine governor circuit.
In order to realize the further purpose of the utility model; The utility model also comprises a big current protection mechanism; This big current protection mechanism comprises current transformer and microswitch 8WK again; Wherein current transformer is arranged on the motor input circuit of cutting machine; The motor input circuit being realized current monitoring, and this current transformer electrically connects with microswitch 8WK mutually; Said microswitch 8WK also inserts in the cutting machine governor circuit, to realize the active protection control of microswitch 8WK to the cutting machine governor circuit.
In order to make the utility model when aforementioned two kinds of faults take place, can send chimes of doom automatically, make the staff can find the operation conditions of cutting machine in time, also be provided with the buzzer that sends fault alarm sound in the above-mentioned cutting machine governor circuit.
The technique effect of the utility model:
(1) installed the low pressure protection mechanism on the cutting machine additional owing to being employed in, made cutting machine in the course of the work, the operating air pressure of cutting machine has been monitored through the low pressure protection mechanism; In case during the operating air pressure change of cutting machine; The low pressure protection mechanism can cut off the working power of cutting machine automatically, makes and shuts down action, is not damaged with the protection saw blade; Prolong the service life of saw blade, thereby reduce the purpose of the production and operation cost of enterprise.
(2) owing to be employed in and installed big current protection mechanism on the cutting machine additional; Make cutting machine in the course of the work; Through big current protection mechanism the operating current of cutting machine motor is monitored; In case when the operating current of cutting machine motor becomes big, shown the sawtooth rust of saw blade, need change saw blade and perhaps saw blade safeguarded; At this moment, big current protection mechanism can cut off the working power of cutting machine automatically, makes and shuts down action, is not damaged with the protection saw blade, prolongs the service life of saw blade, thereby reduces the purpose of the production and operation cost of enterprise further.
Below in conjunction with accompanying drawing the utility model is further described:
Description of drawings
Fig. 1 is the circuit block diagram of the utility model.
Fig. 2 is the structural representation of the low pressure protection mechanism of the utility model.
Fig. 3 is the circuit theory diagrams of the utility model.
The specific embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3; The saw blade protective device of the described a kind of stainless steel tube cutting machine of the utility model; It comprises cutting machine governor circuit 1 and low pressure protection mechanism 2; Wherein cutting machine governor circuit 1 is the control circuit of general stainless steel tube cutting machine, belongs to existing circuit engineering, so do not describe in detail.Said low pressure protection mechanism 2 comprises air pressure instrumentation 3 and microswitch 7WK again; Said air pressure instrumentation 3 is provided with air pipe connectivity port and signal of telecommunication link; The pipeline connectivity port of this air pressure instrumentation 3 is connected in the compressed air line 7 of stainless steel tube cutting machine, and its signal of telecommunication link electrically connects with microswitch 7WK mutually; Said microswitch 7WK also inserts in the cutting machine governor circuit 1, to realize the active protection control of microswitch 7WK to cutting machine governor circuit 1.Like this; Make cutting machine in the course of the work, monitor, in case during the operating air pressure change of cutting machine through the operating air pressure of 3 pairs of cutting machines of air pressure instrumentation; Air pressure instrumentation 3 feeds back to relay K A5 with the signal of telecommunication that monitors through microswitch 7WK; Automatically cut off the working power of cutting machine by relay K A5 control cutting machine governor circuit 1, make and shut down action, be not damaged with the protection saw blade.
In order to realize the further purpose of the utility model; Like Fig. 1 and shown in Figure 3; The utility model also comprises a big current protection mechanism 4; This big current protection mechanism 4 comprises current transformer 5 and microswitch 8WK again; Wherein current transformer 5 is arranged on the motor input circuit of cutting machine; The motor input circuit being realized current monitoring, and this current transformer 5 electrically connects with microswitch 8WK mutually; Said microswitch 8WK also inserts in the cutting machine governor circuit 1, to realize the active protection control of microswitch 8WK to cutting machine governor circuit 1.Like this; Make cutting machine in the course of the work, monitor, in case when the operating current of cutting machine motor M becomes big through the operating current of 5 pairs of cutting machine motor M of current transformer; Shown the sawtooth rust of saw blade, need change saw blade and perhaps saw blade safeguarded; At this moment, current transformer 5 feeds back to relay K A6 with the signal of telecommunication through microswitch 8WK in time, cuts off the working power of cutting machine automatically by KA6 control cutting machine governor circuit 1, makes and shuts down action, is not damaged with the protection saw blade.
In order to make the utility model when the two kinds of faults in front take place; Can send chimes of doom automatically, make the staff can find the operation conditions of cutting machine in time, to make handled; As shown in Figure 3, also be provided with the buzzer 6 that sends fault alarm sound in the above-mentioned cutting machine governor circuit 1.
The course of work of the utility model is roughly following:
(1) low pressure protection: when air pressure instrumentation 3 monitors the compressed-air actuated pressure that offers the stainless steel tube cutting machine when being lower than preset standard; Air pressure instrumentation 3 feeds back to relay K A5 with a low pressure signal of telecommunication through microswitch 7WK; Relay K A5 makes closed action at once, makes KA
5J
1Break off, thereby cut off KM
1Power supply, the motor of stainless steel tube cutting machine quits work, KA
5J
2Closed buzzer 6 sends chimes of doom.
(2) big current protection: when current transformer 5 monitors electric current through the motor input circuit greater than preset standard, current transformer 5 will feed back a signal of telecommunication to relay K A6 through microswitch 8WK, and relay K A6 makes closed action at once, makes KA
6J
1Break off, thereby cut off KM
1Power supply, the motor of stainless steel tube cutting machine quits work, KA
6J
2Closed buzzer 6 sends chimes of doom.
Claims (3)
1. the saw blade protective device of a stainless steel tube cutting machine; It is characterized in that: comprise cutting machine governor circuit (1) and low pressure protection mechanism (2); Wherein low pressure protection mechanism (2) comprises air pressure instrumentation (3) and microswitch (7WK) again; Said air pressure instrumentation (3) is provided with air pipe connectivity port and signal of telecommunication link; The pipeline connectivity port of this air pressure instrumentation (3) is connected in the compressed air line of stainless steel tube cutting machine, and its signal of telecommunication link electrically connects with microswitch (7WK) mutually; Said microswitch (7WK) also inserts in the cutting machine governor circuit (1), to realize the active protection control of microswitch (7WK) to cutting machine governor circuit (1).
2. according to the saw blade protective device of the said stainless steel tube cutting machine of claim 1; It is characterized in that: also comprise a big current protection mechanism (4); This big current protection mechanism (4) comprises current transformer (5) and microswitch (8WK) again; Wherein current transformer (5) is arranged on the motor input circuit of cutting machine, and the motor input circuit being realized current monitoring, and this current transformer (5) electrically connects with microswitch (8WK) mutually; Said microswitch (8WK) also inserts in the cutting machine governor circuit (1), to realize the active protection control of microswitch (8WK) to cutting machine governor circuit (1).
3. according to the saw blade protective device of claim 1 or 2 said stainless steel tube cutting machines, it is characterized in that: also be provided with the buzzer (6) that sends fault alarm sound in the above-mentioned cutting machine governor circuit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220074077 CN202571477U (en) | 2012-02-27 | 2012-02-27 | Blade-protection device of stainless steel pipe cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220074077 CN202571477U (en) | 2012-02-27 | 2012-02-27 | Blade-protection device of stainless steel pipe cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202571477U true CN202571477U (en) | 2012-12-05 |
Family
ID=47240929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220074077 Expired - Fee Related CN202571477U (en) | 2012-02-27 | 2012-02-27 | Blade-protection device of stainless steel pipe cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202571477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722105A (en) * | 2013-12-18 | 2014-04-16 | 大连通发复合线缆科技发展有限公司 | Metal wire surface cutting and peeling method |
| CN110497476A (en) * | 2019-08-28 | 2019-11-26 | 六安永贞匠道机电科技有限公司 | A kind of emergency stop protection method of pneumatic actuation reciprocating saw |
-
2012
- 2012-02-27 CN CN 201220074077 patent/CN202571477U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722105A (en) * | 2013-12-18 | 2014-04-16 | 大连通发复合线缆科技发展有限公司 | Metal wire surface cutting and peeling method |
| CN110497476A (en) * | 2019-08-28 | 2019-11-26 | 六安永贞匠道机电科技有限公司 | A kind of emergency stop protection method of pneumatic actuation reciprocating saw |
| CN110497476B (en) * | 2019-08-28 | 2021-04-20 | 六安永贞匠道机电科技有限公司 | Emergency stop protection method for pneumatically driven reciprocating saw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20130227 |