CN201353849Y - Automatic brake device of open type glue-smelting machine - Google Patents
Automatic brake device of open type glue-smelting machine Download PDFInfo
- Publication number
- CN201353849Y CN201353849Y CNU2009200363724U CN200920036372U CN201353849Y CN 201353849 Y CN201353849 Y CN 201353849Y CN U2009200363724 U CNU2009200363724 U CN U2009200363724U CN 200920036372 U CN200920036372 U CN 200920036372U CN 201353849 Y CN201353849 Y CN 201353849Y
- Authority
- CN
- China
- Prior art keywords
- mixing machine
- rubber mixing
- cross bar
- opening rubber
- travel switch
- Prior art date
- 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 - Lifetime
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Abstract
The utility model discloses an automatic brake device of open type glue-smelting machine, which comprises a stroke switch, two supporting stands and a cross bar, wherein the cross bar is mounted on the supporting stands and can back and forth move along the supporting stand, the position on the supporting stand, which is arranged on the moving path of the cross bar, is equipped with at least a stroke switch, the contact of the stroke switch is connected in a motor control circuit of an open type glue-smelting machine, and when the cross bar is contacted with the stroke switch in a moving process, the cross bar can cut off the power supply of the open type glue-smelting machine and do energy consumption brake. The automatic brake device of open type glue-smelting machine has simple structure, security and reliability, and can quickly cut off the power supply of the motor of the open type glue-smelting machine to halt and can alarm when the body of an operating staff is too closer to a rotating component of a device with danger, and prevents safety accidents from happening.
Description
Technical field
The utility model relates to a kind of self-braking device that is used for opening rubber mixing machine.
Background technology
Opening rubber mixing machine is a kind of equipment that is used for sizing material is carried out back mixing, and its operation principle is: by two rods to the equidirectional rotation clot that half-finished sizing material carries out is repeatedly handled, finally made properties of rubber reach the requirement of regulation.This equipment is when work, operating personnel must carry out clot to sizing material with what hand did not stop on the roller of rotation, when operating personnel do not operate in strict accordance with this equipment regulation, cross when near from opening rubber mixing machine, the roller that some other positions of its hand and health very easily are rotated is brought into, thus the security incident of causing.In a single day for eliminating such potential safety hazard, the equipment that has has been installed emergency stop button in the side, but in fact security incident takes place, the operative employee also is not able to do in time to go by emergency stop button with hand, and some positions of health will be involved in the roller of rotation.Therefore, adopt the mode that emergency stop button is installed not have substantial role generally speaking.
Summary of the invention
The technical problems to be solved in the utility model is to eliminate existing opening rubber mixing machine existing potential safety hazard in running, the danger that the roller that other positions of hand and health were rotated easily when the close opening rubber mixing machine of elimination operating personnel was too near is brought in time prevents the generation of security incident.
The utility model comprises travel switch, support and cross bar, support has two, cross bar is rack-mount and can move around along support, the position that is positioned at the mobile route of cross bar on the support is equipped with a travel switch at least, the contact of travel switch is inserted in the circuit for controlling motor of opening rubber mixing machine, when cross bar touches travel switch in moving process, can cut off the power supply of opening rubber mixing machine motor and carry out dynamic braking.
Further improvement of the utility model is also to comprise the alert device of a warning; this alarm inserts in the energy consumption of electrical machinery braking control circuit of opening rubber mixing machine; be subjected to the control of travel switch contact; when cross bar touched travel switch in moving process, the motor of opening rubber mixing machine was shut down alarm work when braking and is given the alarm.
The utility model is simple in structure, and is safe and reliable, when operating personnel's health toward lean on too near of equipment operation parts and when being enough to produce danger, the motor power that can cut off opening rubber mixing machine is immediately shut down and can in time be given the alarm, to prevent the generation of security incident.
Description of drawings
Fig. 1 is the position view of the utility model when being installed on the opening rubber mixing machine.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is the position view (stopped status) that the utility model and opening rubber mixing machine are installed separately.
Fig. 4 is the schematic diagram (having inserted the contact of travel switch) of the circuit for controlling motor of open refining machine.
The specific embodiment
Describe the specific embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Referring to Fig. 1 and Fig. 2, a side of position when two supports 3 of the present utility model are installed in operating personnel's operate as normal of opening rubber mixing machine 6, establish groove on the support 3, the two ends of cross bar 4 are stretched in the groove, thereby cross bar 4 can be moved around along support 3 upper grooves, the height of cross bar 4 is to operating personnel's knee, and its distance from opening rubber mixing machine should be more than or equal to safe distance.On one in two supports 3 travel switch 1 is housed, the installation site of travel switch 1 is on the mobile route of cross bar 4.
When operating personnel when the distance of opening rubber mixing machine 6 may produce danger less than mounting distance, operating personnel's health can push away the direction of cross bar 4 to opening rubber mixing machine, thereby touch travel switch 1, contact in the energy consumption of electrical machinery brake control circuit 5 of travel switch 1 access opening rubber mixing machine 6 will be moved at this moment, cuts off motor power and motor is carried out dynamic braking.
Referring to Fig. 4, the circuit for controlling motor of shown in Figure 4 is common opening rubber mixing machine, the normally opened contact SQ1-1 and the normally-closed contact SQ1-2 of travel switch 1 insert in this circuit.The operation principle of this circuit is as follows:
1, starting
After pressing starting switch SB2, contactor KM1 coil, contactor KM2 coil and time relay KT1 coil are switched on simultaneously.Behind the contactor KM1 coil electricity, the auxiliary contact KM1-1 closure of contactor KM1 makes contactor KM1 self-locking, simultaneously the main contacts closure of contactor KM1; Behind the contactor KM2 coil electricity, its main contacts closure.At this moment, motor is connected into the Y-connection starting.
Behind the time relay KT1 coil electricity, timing begins, and when time relay K T1 timing is arrived, its normally-closed contact KT1-2 disconnects, thereby makes contactor KM2 power-off restoration; While its normally opened contact KT1-1 closure, thereby contactor KM3 coil electricity, the auxiliary contact KM3-1 closure of contactor KM3 makes contactor KM3 self-locking, simultaneously the main contacts closure of contactor KM3.Like this, motor is connected into the triangle operation.That is, when motor runs well, the main contacts closure of contactor KM1 and contactor KM3, the main contacts of contactor KM2 disconnects.
2, shut down braking
During the travel switch action, the normally opened contact SQ1-1 closure of travel switch, the normally-closed contact SQ1-2 of travel switch disconnects simultaneously.
The normally-closed contact SQ1-2 of travel switch disconnects, make contactor KM1, contactor KM2,, the coil blackout of contactor KM3 and time relay KT1 resets, thereby disconnect the start control circuit of motor;
The normally opened contact SQ1-1 closure of travel switch is switched on contactor KM4 and time relay KT2 coil simultaneously.Behind the contactor KM4 coil electricity, the auxiliary contact KM4-1 closure of contactor KM4 makes contactor KM4 self-locking, and the main contacts closure of contactor KM4 is carried out dynamic braking thereby insert dc source simultaneously; Behind the coil electricity of time relay KT2, timing begins, and when time relay K T2 timing is arrived, its normally-closed contact KT2-1 disconnects, and makes contactor KM4 power-off restoration, thereby cuts off dc source, and so far, motor braking finishes, and motor is in stopped status.
When motor normally moves, when travel switch does not move, can manually press SB1, thereby cut off motor power, insert dc source simultaneously and carry out the dynamic braking shutdown.
Referring to Fig. 2 and Fig. 3 and Fig. 4, the structure of present embodiment and embodiment 1 are basic identical, and difference is that the energy consumption of electrical machinery brake control circuit at open experienced jelly has inserted alarm HA, support and installs on the ground in opening rubber mixing machine the place ahead, a travel switch 2 also is housed on another support 3.The normally opened contact SQ2-1 of travel switch 2 is in parallel with the normally opened contact SQ1-1 of travel switch 1, and the normally-closed contact SQ2-2 of travel switch 2 is in parallel with the normally-closed contact SQ1-2 of travel switch 1.Like this; when operating personnel from the distance of opening rubber mixing machine less than mounting distance, with cross bar 1 when the direction of opening rubber mixing machine pushes away; as long as cross bar touches in travel switch 2 or the travel switch 1 any one; the contact that travel switch 2 or travel switch 1 insert in the opening rubber mixing machine circuit for controlling motor 5 will be moved; cut off motor power and insert dc source simultaneously, thereby make opening rubber mixing machine shut down braking.
Present embodiment has also inserted an alarm HA in the circuit for controlling motor of opening rubber mixing machine, this alarm constitutes the kind of reporting to the police back with contactor KM4, switch S B3 etc.When operating personnel cross when closely causing motor to shut down braking because of touch travel switch from opening rubber mixing machine, contactor KM4 coil electricity, its auxiliary contact KM4-2 closure, thereby relay K coil electricity and self-locking, alarm HA sends chimes of doom simultaneously.When motor braking finishes, though the auxiliary contact KM4-2 of the contactor KM4 that continues reset because relay K self-locking, so alarm sounds the alarm always.Have only when manually pressing SB3, alarm just stops to report to the police.
Claims (4)
1, a kind of self-braking device that is used for opening rubber mixing machine, it is characterized in that comprising travel switch, support and cross bar, support has two, cross bar is rack-mount and can move around along support, the position that is positioned at the mobile route of cross bar on the support is equipped with a travel switch at least, the contact of travel switch is inserted in the circuit for controlling motor of opening rubber mixing machine, when cross bar touches travel switch in moving process, can cut off the power supply of opening rubber mixing machine motor and carry out dynamic braking.
2, the self-braking device that is used for opening rubber mixing machine according to claim 1; it is characterized in that also comprising the alert device of a warning; this alarm inserts in the energy consumption of electrical machinery braking control circuit of opening rubber mixing machine; be subjected to the control of travel switch contact; when cross bar touches travel switch in moving process, the alarm work when motor of opening rubber mixing machine is shut down.
3, the self-braking device that is used for opening rubber mixing machine as claimed in claim 1 or 2 is characterized in that support is installed on the opening rubber mixing machine, perhaps is installed on the ground in opening rubber mixing machine the place ahead.
4, the self-braking device that is used for opening rubber mixing machine as claimed in claim 1 or 2 is characterized in that the height of cross bar is not less than operating personnel's knee.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200363724U CN201353849Y (en) | 2009-03-04 | 2009-03-04 | Automatic brake device of open type glue-smelting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200363724U CN201353849Y (en) | 2009-03-04 | 2009-03-04 | Automatic brake device of open type glue-smelting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201353849Y true CN201353849Y (en) | 2009-12-02 |
Family
ID=41410190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200363724U Expired - Lifetime CN201353849Y (en) | 2009-03-04 | 2009-03-04 | Automatic brake device of open type glue-smelting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201353849Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242243A (en) * | 2013-06-09 | 2014-12-24 | 成都昊地科技有限责任公司 | Novel protection device for non-normal shutdown of hydraulic generator |
-
2009
- 2009-03-04 CN CNU2009200363724U patent/CN201353849Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242243A (en) * | 2013-06-09 | 2014-12-24 | 成都昊地科技有限责任公司 | Novel protection device for non-normal shutdown of hydraulic generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091202 |