CN209614000U - A kind of thermal forming device of SERVO CONTROL fire door - Google Patents
A kind of thermal forming device of SERVO CONTROL fire door Download PDFInfo
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- CN209614000U CN209614000U CN201822148764.1U CN201822148764U CN209614000U CN 209614000 U CN209614000 U CN 209614000U CN 201822148764 U CN201822148764 U CN 201822148764U CN 209614000 U CN209614000 U CN 209614000U
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- fire door
- screw rod
- nut
- door
- motor
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Abstract
The utility model discloses a kind of thermal forming devices of SERVO CONTROL fire door, including rack, fire door, door driving device and heating plate, fire door is movably arranged in rack by door driving device, fire door and heating plate crowd around to form heating chamber, it is characterized by: the door driving device includes controller, torque sensor, motor, screw rod and nut, the motor shaft of motor is connect with screw rod, screw rod is disposed axially in rack, nut thread is connected on screw rod, nut is connect with fire door, screw rod rotation drives fire door translation to control the opening and closing of heating chamber, torque sensor detects motor shaft torque, torque sensor is electrically connected with the controller, controller is electrically connected with motor.Fire door is movable on the rack, to control the folding of heating chamber.The rotation of motor driven screw rod, screw rod is converted to the linear motion of nut, so that fire door be driven to translate.
Description
[technical field]
The utility model relates to a kind of thermal forming devices, belong to thermo forming fields.
[background technique]
The heating chamber of thermal forming device is made of fire door and heating system, the mobile opening and closing for realizing heating chamber of fire door,
To pick and place forming part in heating chamber.The movement of fire door at present relies primarily on cylinder or oil cylinder driving, cylinder and oil cylinder
It is insensitive to position pressure, fire door can only be rested on and kill and fully open two positions, it is difficult to stopped between the two positions
Under.Heat loss is very big in heating chamber under fire door full open position, also influences forming parts quality.It is heat-insulated on the inside of fire door
Cotton, in the case of fire door kills, pressure is excessive, be easy to cause heat insulation foam impaired, mutually presses after being used for a long time, between heat insulation foam simultaneously,
The heat insulation for influencing heating chamber be easy to cause heat loss in heating chamber, reduces thermoforming quality, and the replacement of heat insulation foam
It is very complicated, it also will increase maintenance cost.
[utility model content]
A kind of control more is provided the technical problem to be solved by the utility model is to overcome the deficiencies in the prior art
Accurate thermal forming device.
Above-mentioned technical problem is solved, the utility model adopts the following technical solution:
A kind of thermal forming device of SERVO CONTROL fire door, including rack, fire door, door driving device and heating plate, fire door
It is movably arranged in rack by door driving device, fire door and heating plate crowd around to form heating chamber, and door driving device includes
The motor shaft of controller, torque sensor, motor, screw rod and nut, motor is connect with screw rod, and screw rod is disposed axially in rack
On, nut thread is connected on screw rod, and nut is connect with fire door, and screw rod rotation drives fire door translation to control opening for heating chamber
It closes, torque sensor detects motor shaft torque, and torque sensor is electrically connected with the controller, and controller is electrically connected with motor.
The utility model has the following beneficial effects:
Fire door is movable on the rack, to control the folding of heating chamber.The rotation of motor driven screw rod, screw rod are converted to
The linear motion of nut, so that fire door be driven to translate.After controller issues halt instruction to motor, by between nut and screw rod
It is threadedly engaged, nut generates emergency stop on screw rod, thus the stop position of control fire door reported as precisely as possible.Torque sensor is by silk
Bar torque passes to controller, when fire door is under squeezed state, after the numerical value of torque sensor reaches preset value, that is, shows furnace
Door compresses, and the stalling of the motor of controller control at this time is mobile to stop fire door, it is ensured that fire door will not excessive compression, minimize every
The extruding of hot cotton, it is ensured that increase the service life of heat insulation foam in heating chamber on the basis of heat insulation.
Furthermore under normal circumstances, when controller issues stalling signal to motor, heat insulation foam has a degree of pressure substantially
And therefore motor before stalling controller can on demand to motor issue a pulse signal control nut slightly retreat it is a bit of
Distance.
Temperature sensor can also be set in heating chamber described in the utility model, when heating cavity temperature constantly rises, root
According to the temperature curve of setting, temperature sensor is converted to cavity temperature lifting capacity is heated on screw rod torque caused by fire door heat expansion
Rising amount feeds back to controller, and controller control nut slightly retreats again.
Door driving device described in the utility model further includes chain-wheel mechanism, and screw rod includes active screw rod and driven screw rod,
Motor shaft is connect with active screw rod, is connected between active screw rod and driven screw rod by chain-wheel mechanism, and active screw rod passes through sprocket wheel
Mechanism drives driven screw rod rotation.
Door driving device described in the utility model includes drive bevel gear and driven wheel of differential, motor shaft and active conical tooth
Wheel connection, drive bevel gear and driven wheel of differential engagement, driven wheel of differential are connected with screw rod, and driven wheel of differential rotation drives screw rod
Rotation.
Nut described in the utility model drives fire door to move in the horizontal direction, and door driving device further includes driving fire door
The lifting device moved along the vertical direction.
Lifting device described in the utility model includes elevator, deflecting roller, lifting rope and clump weight, and elevator and fire door connect
Connect, one end of lifting rope is connect with fire door, and the other end of lifting rope is connect with clump weight, and lifting rope slips on deflecting roller, clump weight and
Fire door is respectively positioned on the lower section of deflecting roller.
Thermal forming device described in the utility model further includes upright guide rail, and fire door is movably arranged on along the vertical direction leads vertically
On rail, nut is mounted on upright guide rail, and nut drives fire door to move in the horizontal direction by upright guide rail.
Fire door described in the utility model includes idler wheel, and sliding slot is provided on upright guide rail, and idler wheel, which rolls, to be arranged in sliding slot.
Nut groove is offered on upright guide rail described in the utility model, nut is in nut groove.
Be provided with bolt, linear motor and sender switch at the top of rack described in the utility model, sender switch with it is straight
The electrical connection of line motor, linear motor are connect with bolt, signalling generator and pin hole are provided at the top of fire door, when fire door is located at rack
Top, sender switch and signalling generator induction, bolt be inserted into pin hole.
Door driving device described in the utility model further includes the rotary encoder for detecting motor shaft turnning circle, and rotation is compiled
Code device is electrically connected with the controller.
Other features and advantages of the utility model will the detailed exposure in following specific embodiment, attached drawing.
[Detailed description of the invention]
The utility model is described further with reference to the accompanying drawing:
Fig. 1 is the utility model embodiment thermal forming device schematic perspective view；
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1；
Fig. 3 is enlarged structure schematic diagram at B in Fig. 1；
Fig. 4 is the utility model embodiment thermal forming device schematic view of the front view；
Fig. 5 is the left fire door schematic view of the front view of the utility model embodiment；
Fig. 6 be in Fig. 5 C-C to structural schematic diagram；
Fig. 7 is the schematic view of the front view of the utility model embodiment frame top bolt mechanism.
[specific embodiment]
The technical solution of the utility model embodiment is explained below with reference to the attached drawing of the utility model embodiment and
Illustrate, but following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode,
Those skilled in the art's obtained other embodiments without making creative work, belong to the utility model
Protection scope.
In the following description, occur term "inner", "outside", "upper", "lower", the indicating positions such as "left", "right" or
Positional relationship description embodiment merely for convenience and simplified description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment:
As shown in figs. 1-7, the present embodiment show a kind of SERVO CONTROL fire door thermal forming device, including rack, fire door,
Door driving device and heating system, heating system include heating plate (being not drawn into figure).
Wherein door driving device is connected with fire door, and door driving device is movably arranged on fire door in rack.Fire door and
Heating plate crowds around to form heating chamber, and heating chamber carries out molding heating and thermal insulation to part.The mobile opening and closing to control heating chamber of fire door,
And then part is picked and placed out of heating chamber.
In the present embodiment, heating plate altogether there are two, respectively upper heating plate and lower heating plate, upper heating plate and lower heating plate
Horizontally disposed, lower heating plate is mounted on the rack, and the top of lower heating plate is arranged in upper heating plate, and upper heating plate is installed on heat
On the host sliding block of molding equipment, host sliding block drives upper heating plate to move up and down towards lower heating plate.Fire door shares four
Block, respectively left fire door 6, right fire door 7, preceding fire door 8 and rear fire door 9, four pieces of fire doors are vertically arranged, wherein left fire door 6 and the right side
Fire door 7 is oppositely arranged in left-right direction, and left fire door 6 and right fire door 7 are movably arranged on rack in left-right direction in the horizontal plane
On, preceding fire door 8 and rear fire door 9 are oppositely arranged along the longitudinal direction, and preceding fire door 8 and rear fire door 9 are in the horizontal plane along the longitudinal direction
It is movably arranged in rack.Left fire door 6 close to right fire door 7, right fire door 7 close to left fire door 6 while, preceding fire door 8 leans on
After close fire door 9 and rear fire door 9 close to preceding fire door 8 while be heat insulation foam, left fire door 6, right fire door 7, preceding fire door 8
It may be squeezed with heating plate when closing up with rear fire door 9.Four fire doors and two pieces of heating plates to heat when closing up sealing
On the one hand chamber sealing, the heating chamber of sealing reduce thermal loss, on the other hand guarantee the safety of thermal forming device main body.Furthermore exist
When fire door expanded by heating and heating plate need mobile towards fire door, fire door is needed slightly toward mobile on the outside of heating chamber.
Opposite with fire door quantity, door driving device quantity is also four in the present embodiment, each self installation of each fire door
There is a door driving device, each door driving device respectively controls moving horizontally for a fire door.
Door driving device includes controller, rotary encoder, torque sensor, motor 1, screw rod and nut 3.Motor 1
It is mounted on the rack by a motor cabinet, so that motor 1 can not move on the rack, the motor shaft of motor 1 is connect with screw rod, from
And realize motor 1 drive screw rod rotation, and make screw rod along itself axially position on the rack, nut 3 is threaded on screw rod,
Nut 3 is connect with fire door, since fire door volume is big, weight weight, therefore fire door is difficult to rotate on the rack, therefore connect with fire door
Nut 3 will not rotate, the rotation of corresponding screw rod only can drive nut 3 along screw rod axial translation, so that fire door be driven to exist
It is translated in horizontal direction, and then realizes the opening and closing of heating chamber, and adjust the pressure between fire door and heating plate.
Wherein torque sensor detects motor shaft torque, and torque sensor is electrically connected with the controller, and fire door and heating plate are squeezed
When pressure, the torque on screw rod persistently increases, and the torque value of motor shaft is sent to controller by torque sensor, works as torque value
Setting numerical value is reached, then controller will stall signal and be sent to coupled motor 1, and motor 1 stalls so that nut 3 stops
It only translates, corresponding fire door stops movement.Simultaneously because being threadedly engaged between screw rod and nut 3 to form self-locking, therefore work as silk
It can make 3 emergency stop of nut after bar stalling, so that fire door be made to stall movement as early as possible.Therefore it is avoided that extruding excessive between heat insulation foam
Power, to increase the service life of heat insulation foam.
Rotary encoder detects motor shaft turnning circle, and rotary encoder is electrically connected with the controller, is remembered by rotary encoder
The turnning circle for recording motor shaft, so that being converted into 3 position of nut sends controller to, to determine fire door shift position.
If controller is arranged on motor, controller, motor, rotary encoder and torque sensor constitute one and watch
A part of motor or servo motor is taken, door driving device is reduced with this and is taken up space.
Furthermore those skilled in the art are also readily apparent that, controller can be arranged on the rack, to facilitate user in heat
Manual control operation is carried out on the outside of molding equipment.
Since fire door weight is larger, the driving of single nut 3 is easy so that fire door shifts, and multiple nuts 3 are run
Also the mobile offset of fire door is easy to cause under out of step conditions.By taking left fire door 6 as an example, door driving device further includes chain turbine
Structure, chain-wheel mechanism include a driving chain 10 and four drive sprockets 21, and wherein screw rod includes an active screw rod 2 and three
Driven screw rod, the quantity of motor 1 are one.The difference of driven screw rod and active screw rod 2 is only that on driven screw rod without direct
It is connected with motor 1.
The motor shaft of motor 1 is connect with active screw rod 2, and motor 1 drives active screw rod 2 to rotate, active screw rod 2 and driven silk
It is provided with a drive sprocket 21 on bar, is driven between adjacent drive sprocket 21 by driving chain 10, so that actively
It is connected between screw rod 2 and driven screw rod by chain-wheel mechanism, the rotation of active screw rod 2 drives the drive sprocket 21 on active screw rod 2
It rotating, the drive sprocket 21 on active screw rod 2 drives the drive sprocket 21 on driven screw rod to rotate by driving chain 10, so that
Obtaining the rotation of active screw rod 2 drives the driven screw rod of its excess-three root to rotate synchronously, to realize motor 1 to the indirect biography of driven screw rod
It is dynamic.Active screw rod 2 is identical with driven screw rod in the present embodiment, the nut 3 being mounted on driven screw rod and be mounted on actively
Nut 3 on screw rod 2 is also identical, therefore in the situation identical with driven screw rod revolving speed of active screw rod 2, active screw rod 2
On nut 3 movement speed is consistent in left-right direction with the nut 3 on driven screw rod, as thus make left fire door 6 mobile as possible
Path offset occurs for Shi Buhui.
Preferably, it is extruded with expansion tightening wheel 17 on driving chain 10, it is synchronous with the rotation of driven screw rod to promote active screw rod 2
Property.Furthermore the bottom of left fire door 6 is additionally provided with guiding mechanism 20, moves left and right further progress guiding to left fire door 6.
The structure that preceding fire door 8 and rear fire door 9 are different from left fire door 6 is that door driving device further includes drive bevel gear 4
With driven wheel of differential 5.In the past for fire door 8, the motor 1 of preceding fire door 8 is vertically arranged, the motor shaft and drive bevel gear 4 of motor 1
Connection, drive bevel gear 4 and driven wheel of differential 5 engage, and drive bevel gear 4 and driven wheel of differential 5 are mutually perpendicular to, driven wheel of differential
5 connect with 2 spline of active screw rod, and motor 1 drives drive bevel gear 4 to rotate by motor shaft, to drive 5 turns of driven wheel of differential
Dynamic, the rotation of driven wheel of differential 5 drives active screw rod 2 to rotate.Drive bevel gear 4 and 5 transmission ratio of driven wheel of differential are adjusted, to adjust
Screw rod revolving speed is saved, to adjust the horizontal shifting speed of preceding fire door 8 and rear fire door 9, is furthermore limited by rack construction, the set-up mode
Preceding fire door 8 and rear fire door 9 can be provided moves horizontally space.Furthermore the driven screw rod quantity on preceding fire door 8 and rear fire door 9 is one
It is a.
Nut 3 only drives fire door to move in the horizontal direction in the present embodiment.In addition, door driving device in the present embodiment
It further include the lifting device for driving fire door to move along the vertical direction.If fire door can only move horizontally, fire door needs to move
Moving biggish distance can have sufficient space to pick and place part into heating chamber in outside, this will lead in heating chamber heat sharply
It scatters and disappears, not only energy consumption wastes, and has an effect on subsequent parts Forming Quality.Fire door is on the basis of moving horizontally thus, it is also necessary into
The movement of row vertical direction, to reduce the demand to fire door horizontal direction moving range.Since feeding is preceding in the present embodiment
It is carried out at fire door 8 and rear fire door 9, preceding fire door 8 and rear fire door 9 are respectively equipped with lifting device in the present embodiment thus.Forehearth
Door 8 and rear fire door 9 move up and down opening heating chamber, and then more mold exchange, pick-and-place part, replacement heat insulation foam in heating chamber
Equal operations.
Specifically, lifting device includes elevator (being not drawn into figure), deflecting roller 11, lifting rope 18 and matches in the present embodiment
Pouring weight 19.In the past for fire door 8, the top of preceding fire door 8 is arranged in elevator, and the top of preceding fire door 8 is fixed with link, elevator
Hook hook into link, so that preceding fire door 8 be sling.One end of lifting rope 18 is connect with preceding fire door 8, the other end of lifting rope 18 with
Clump weight 19 connects, and lifting rope 18 slips on deflecting roller 11, and in the vertical direction, clump weight 19 and preceding fire door 8 are located at deflecting roller
11 lower section.In lifting process, lifting rope 18 slides preceding fire door 8 on deflecting roller 11, so that clump weight 19 is gone up and down,
So that the lifting process of preceding fire door 8 is more stable, clump weight 19 can also reduce the pulling force burden of elevator.
It is sling by preceding fire door 8 in this present embodiment for top, therefore during preceding fire door 8 moves up and down, bottom meeting
Shaking is generated, the risk for hitting left fire door 6 and right fire door 7 is generated, leads to the damage of heat insulation foam.For this purpose, in the present embodiment heat at
Type equipment further includes the upright guide rail 22 being arranged along the vertical direction, and preceding fire door 8 is movably arranged on upright guide rail 22 along the vertical direction
On, wherein nut 3 is mounted on upright guide rail 22, and fire door 8 moves up in the horizontal direction before nut 3 is driven by upright guide rail 22
Dynamic, the bottom of fire door 8 shakes and directly acts on screw rod before avoiding.Upright guide rail 22 is driven to be moved forward and backward when nut 3 is moved forward and backward,
It is moved forward and backward to control preceding fire door 8.
In addition, deflecting roller 11 is that V shaped wheel is generally existed due to the back-and-forth motion range very little of preceding fire door 8 in the present embodiment
80mm or so, therefore deflecting roller 11 does not need to be moved forward and backward together with preceding fire door 8 when the back-and-forth motion of preceding fire door 8, it is only necessary to it hangs
Rope 18 is slightly overturn in the V-groove of deflecting roller 11.Therefore it is fixed that the top that deflecting roller 11 only needs to be mounted on rack is formed
Pulley.
Those skilled in the art are also readily apparent that simultaneously, and deflecting roller 11 can be mounted on to the top of upright guide rail 22, turn
Make horizontal motion together with upright guide rail 22 to wheel 11.
As a kind of specific matching relationship of preceding fire door 8 and upright guide rail 22, preceding fire door 8 includes idler wheel in the present embodiment
12, sliding slot 23 is provided on upright guide rail 22, sliding slot 23 can be T-slot, and idler wheel 12, which rolls, to be arranged in sliding slot 23, idler wheel 12
Do not generate horizontal direction relative motion between sliding slot 23, preceding fire door 8 move up and down so that idler wheel 12 in sliding slot 23 with smaller
Resistance move up and down.When the motor 1 of preceding fire door 8 stalls, the nut 3 that fire door 8 is moved forward and backward before driving stops
Mobile, corresponding upright guide rail 22 is locked by nut 3 along the longitudinal direction, therefore upright guide rail 22 can be to preceding fire door 8 along level
Restriction effect is played in the shaking in direction.
Wherein, nut groove 13 is offered on upright guide rail 22, nut 3 is in nut groove 13.Nut 3 is axially squeezed along screw rod
It is pressed on the side wall of nut groove 13, so that fire door 8 moves along the longitudinal direction before nut 3 drives upright guide rail 22 to drive, furthermore
Nut 3 can also be dismounted in nut groove 13 along non-front-rear direction, to carry out the replacement of nut 3.
The present embodiment thermal forming device further includes bolt mechanism, bolt mechanism include signalling generator, pin hole 15, bolt 14,
Linear motor 16 and sender switch, bolt 14, linear motor 16 and sender switch are arranged at the top of rack, and sender is opened
Pass is electrically connected with linear motor 16, and linear motor 16 is connect with bolt 14, and signalling generator and pin hole 15 are arranged at the top of fire door
Portion.Current fire door 8 is moved to the top of rack, sender switch and signalling generator induction, and linear motor 16 drives the insertion of bolt 14 to insert
Preceding fire door 8 is located in the top of rack by bolt 14, to reduce the burden of elevator by pin hole 15.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, being familiar with the those skilled in the art should be understood that the utility model includes but is not limited to attached drawing and specific embodiment party above
Content described in formula.The modification of any function and structure principle without departing from the utility model is intended to be included in claims
Range in.
Claims (10)
1. a kind of thermal forming device of SERVO CONTROL fire door, including rack, fire door, door driving device and heating plate, fire door is logical
It crosses door driving device to be movably arranged in rack, fire door and heating plate crowd around to form heating chamber, it is characterised in that: the fire door
Driving device includes controller, torque sensor, motor, screw rod and nut, and the motor shaft of motor is connect with screw rod, and screw rod is along axis
On the rack to positioning, nut thread is connected on screw rod, and nut is connect with fire door, and screw rod rotation drives fire door translation to control
The opening and closing of heating chamber, torque sensor detect motor shaft torque, and torque sensor is electrically connected with the controller, controller and motor electricity
Connection.
2. the thermal forming device of SERVO CONTROL fire door according to claim 1, it is characterised in that: the door driving device
It further include chain-wheel mechanism, screw rod includes active screw rod and driven screw rod, and motor shaft is connect with active screw rod, active screw rod and driven
It is connected between screw rod by chain-wheel mechanism, active screw rod drives driven screw rod to rotate by chain-wheel mechanism.
3. the thermal forming device of SERVO CONTROL fire door according to claim 1, it is characterised in that: the door driving device
Including drive bevel gear and driven wheel of differential, motor shaft is connected with drive bevel gear, drive bevel gear and driven wheel of differential engagement,
Driven wheel of differential is connected with screw rod, and driven wheel of differential rotation drives screw rod rotation.
4. the thermal forming device of SERVO CONTROL fire door according to claim 1, it is characterised in that: the nut drives fire door
It moves in the horizontal direction, door driving device further includes the lifting device for driving fire door to move along the vertical direction.
5. the thermal forming device of SERVO CONTROL fire door according to claim 4, it is characterised in that: the lifting device includes
Elevator, deflecting roller, lifting rope and clump weight, elevator are connect with fire door, and one end of lifting rope is connect with fire door, lifting rope it is another
End is connect with clump weight, and lifting rope slips on deflecting roller, and clump weight and fire door are respectively positioned on the lower section of deflecting roller.
6. the thermal forming device of SERVO CONTROL fire door according to claim 4, it is characterised in that: the thermal forming device is also
Including upright guide rail, fire door is movably arranged on upright guide rail along the vertical direction, and nut is mounted on upright guide rail, and nut passes through
Upright guide rail drives fire door to move in the horizontal direction.
7. the thermal forming device of SERVO CONTROL fire door according to claim 6, it is characterised in that: the fire door includes rolling
It takes turns, sliding slot is provided on upright guide rail, idler wheel, which rolls, to be arranged in sliding slot.
8. the thermal forming device of SERVO CONTROL fire door according to claim 6, it is characterised in that: opened on the upright guide rail
Equipped with nut groove, nut is in nut groove.
9. the thermal forming device of SERVO CONTROL fire door according to claim 4, it is characterised in that: set at the top of the rack
It is equipped with bolt, linear motor and sender switch, sender switch is electrically connected with linear motor, and linear motor is connect with bolt, furnace
The top of door is provided with signalling generator and pin hole, and when fire door is located at the top of rack, sender switch and signalling generator induction, bolt are inserted
Enter pin hole.
10. the thermal forming device of SERVO CONTROL fire door described in -9 any claims according to claim 1, it is characterised in that:
The door driving device further includes the rotary encoder for detecting motor shaft turnning circle, and rotary encoder is electrically connected with controller
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822148764.1U CN209614000U (en) | 2018-12-20 | 2018-12-20 | A kind of thermal forming device of SERVO CONTROL fire door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822148764.1U CN209614000U (en) | 2018-12-20 | 2018-12-20 | A kind of thermal forming device of SERVO CONTROL fire door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209614000U true CN209614000U (en) | 2019-11-12 |
Family
ID=68446447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822148764.1U Active CN209614000U (en) | 2018-12-20 | 2018-12-20 | A kind of thermal forming device of SERVO CONTROL fire door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209614000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773057A (en) * | 2018-12-20 | 2019-05-21 | 湖州机床厂有限公司 | A kind of thermal forming device of SERVO CONTROL fire door |
-
2018
- 2018-12-20 CN CN201822148764.1U patent/CN209614000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773057A (en) * | 2018-12-20 | 2019-05-21 | 湖州机床厂有限公司 | A kind of thermal forming device of SERVO CONTROL fire door |
| CN109773057B (en) * | 2018-12-20 | 2024-02-20 | 湖州机床厂有限公司 | Thermal forming equipment for servo control furnace door |
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