CN105128231B - For the safety detection device and method of tyre vulcanizer pressing mechanism - Google Patents
For the safety detection device and method of tyre vulcanizer pressing mechanism Download PDFInfo
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- CN105128231B CN105128231B CN201510617211.4A CN201510617211A CN105128231B CN 105128231 B CN105128231 B CN 105128231B CN 201510617211 A CN201510617211 A CN 201510617211A CN 105128231 B CN105128231 B CN 105128231B
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Abstract
The invention discloses a kind of safety detection device for tyre vulcanizer pressing mechanism, it includes：Multiple first oil cylinders, the quantity of its quantity correspondence pull bar, the piston rod of each the first oil cylinder is fixedly connected the bottom of the body of rod, the body of rod is arranged in pull bar in the through hole opened up along its axial direction, exposed division is formed in the matched moulds connecting cavity of pull bar on the top of the body of rod, and exposed division causes the outside oil extraction of the rodless cavity of the first oil cylinder after being pressed down；At least one second oil cylinder, the rodless cavity connected pipes of multiple first oil cylinders, the rodless cavity connected pipes of the second oil cylinder are provided with inductive switch in the travel paths of the piston rod of the second oil cylinder, the cylinder diameter and stroke of the second oil cylinder are equal to the first oil cylinder.The present invention also discloses a kind of safety detection method.The present invention compared with prior art, can effectively prevent the potential safety hazard for being not inserted into pull bar and being brought to whole machine curing operation by mode transfer stud, so as to improve security of the tyre vulcanizer in operation and production.
Description
Technical field
The present invention relates to tyre vulcanizer field, and in particular to a kind of safety detection for tyre vulcanizer pressing mechanism
Device and method.
Background technology
The pressing mechanism of tyre vulcanizer is one of most important force mechanism of equipment, its structural strength, operation can
The quality and production efficiency of finished product tire are directly connected to by property and stability.Therefore, the properties for improving pressing mechanism are outstanding
For important.
As shown in Figure 1-2, the mold clamping force of vulcanizer is provided by four pressurization oil cylinders 18 of pressing mechanism, and each pressurization oil
The pressure that cylinder 18 is provided is equal, is respectively divided into 1# pressurized cylinders position 11,2# pressurized cylinders position 12,3# pressurized cylinders position 13,4# pressurized cylinders
Position 14.Wherein 1# pressurized cylinders position 11 and 2# pressurized cylinders position 12 is connected by connecting rod 13 so that 1# pressurized cylinders position 11 and 2# pressurized cylinders
The pull bar 15 of position 12 has identical block action, and similarly the block action of 3# pressurized cylinders position 13 and 4# pressurized cylinders position 14 is also synchronous
's.When vulcanizer matched moulds, in place, pull bar 15 turns matched moulds around axle center under the effect of cylinder 17 during the insertion pull bar 15 of mode transfer stud 16
Dynamic certain angle inductive switch 18 obtains electric, now the plum blossom tooth intermeshing of mode transfer stud 16 and pull bar 15, on pressurization oil cylinder 19
Hydraulic oil is entered in chamber, and whole pressure process terminates.
However, when mould adjusting mechanism because fortuitous event causes four highly inconsistent, i.e. Fig. 2 of mode transfer stud 16
It is shown.If there is one or more mode transfer studs 16 to be not inserted into pull bar 15, cylinder 17 is still ventilated makes pull bar 15 real
Existing locking, inductive switch 18 obtains electric, and the pressurization epicoele of oil cylinder 19 enters hydraulic oil, and at this moment system is still considered a correct pressurization
Process.But in the case where there is one or more mode transfer studs 16 to be not affected by pulling force, be passed through in capsule high steam or
High pressure nitrogen, vulcanizing chamber is subject to the possible damage equipment of huge out-of-balance force system to result even in security incident.
The content of the invention
In order to solve the above-mentioned technical problem, can effectively prevent from being not inserted into drawing because of mode transfer stud the invention provides one kind
Bar and the safety detection device and method for tyre vulcanizer pressing mechanism of potential safety hazard that bring.
In order to achieve the above object, technical scheme is as follows：
For the safety detection device of tyre vulcanizer pressing mechanism, it includes：
Multiple first oil cylinders, the quantity of its quantity correspondence pull bar, the piston rod of each the first oil cylinder is fixedly connected the body of rod
Bottom, the body of rod is arranged in pull bar in the through hole opened up along its axial direction, and the top of the body of rod enters in the matched moulds connecting cavity of pull bar
The exposed division of matched moulds connecting cavity bottom is exposed in formation, and the exposed division causes the rodless cavity of first oil cylinder outwards to be arranged after being pressed down
Oil；
At least one second oil cylinder, the rodless cavity connected pipes of multiple first oil cylinders, the rodless cavity connected pipes of the second oil cylinder,
Inductive switch is installed, the cylinder diameter and stroke of the second oil cylinder are equal to the first oil in the travel paths of the piston rod of the second oil cylinder
Cylinder.
By using above-mentioned technical scheme, i.e., by the oil drain quantity of the first oil cylinder that will be arranged on pull bar and for examining
The oil inlet quantity of the second oil cylinder surveyed is associated, and the cylinder diameter and stroke of the first oil cylinder and the second oil cylinder are set to be equal to, this
The oil drain quantity and oil inlet quantity of both samples can form equity, and oil extraction relies on exposed division and is pressed down in the first oil cylinder, and work as
After in mode transfer stud insertion pull bar and the exposed division can be just fully pushed again after matched moulds, if so having mode transfer stud and pull bar
Without completing matched moulds, then exposed division is received less than suppressing action, the first oil cylinder at this also cannot oil extraction, the second oil cylinder receives not
To corresponding oil inlet quantity, it cannot just complete predetermined stroke, then inductive switch also cannot just be opened, inductive switch without
Method sends corresponding signal, and the action such as locked mode below also cannot just continue；In other words, only all of mode transfer stud and drawing
After bar matched moulds, the second oil cylinder could obtain the oil inlet quantity of the stroke for supporting its completion to be able to unlatching inductive switch.So, tire sulphur
Change machine only can just may proceed to carry out ensuing action after all of mode transfer stud and pull bar matched moulds so that the operation of whole machine is more
It is safety.
Therefore, the present invention compared with prior art, can effectively prevent because mode transfer stud is not inserted into pull bar to whole
The potential safety hazard that machine curing operation is brought, so as to improve security of the tyre vulcanizer in operation and production.
On the basis of above-mentioned technical proposal, the present invention can also make following improvement：
Used as preferred scheme, the second above-mentioned oil cylinder is installed on the C-shaped seat of a horizontally set, and the second oil cylinder is laterally worn
Located at C-shaped seat, inductive switch is installed on the top surface of C-shaped seat and perpendicular to top surface.
Using above-mentioned preferred scheme, can be in order to the installation of the second oil cylinder and can be in order to its piston rod in active procedure
Middle unlatching inductive switch.
As preferred scheme, the first installation plate body is installed with the piston rod of above-mentioned the second oil cylinder, this first
Install and be connected with along the axial arranged induction part of piston rod on plate body, it forms with inductive switch and senses.
Using above-mentioned preferred scheme, can further be easy to piston rod that inductive switch is opened in active procedure, it is special
Be not the inductive switch be proximity switch situation under.
Used as preferred scheme, the piston rod of the second above-mentioned oil cylinder is fixedly connected a guide shaft, the free end of the guide shaft with
One the second installing plate body being fixedly installed on C-shaped seat forms adjustable connection.
Using above-mentioned preferred scheme, can be in order to the regulation of the stroke distances to piston rod and setting.
As preferred scheme, the first spring is also arranged with above-mentioned guide shaft.
Using above-mentioned preferred scheme, the reset booster action to piston rod can be formed.
An at least copper sheathing is also arranged with as preferred scheme, on the above-mentioned body of rod, it is arranged in through hole.
Using above-mentioned preferred scheme, it is ensured that up and down smooth of the body of rod.
As preferred scheme, second spring is also arranged with the above-mentioned body of rod, it is installed on guide rod close to exposed division
On part.
Using above-mentioned preferred scheme, the reset booster action to the body of rod can be formed.
For the safety detection method of tyre vulcanizer pressing mechanism, it includes：
In multiple pull bars many bodies of rod of correspondence pull bar quantity, the oil of bottom connection first of the body of rod are worn along its axial direction
Cylinder, top expose the exposed division of matched moulds connecting cavity bottom into formation in the matched moulds connecting cavity of pull bar, by multiple first oil cylinders
Rodless cavity is respectively connecting to oil pipe, and rodless cavity of the oil pipe again with the second oil cylinder is connected, and the piston rod in the second oil cylinder stroke
Inductive switch is installed, the cylinder diameter and stroke of the second oil cylinder are equal to the first oil cylinder on path；
After all mode transfer studs of tyre vulcanizer enter in the matched moulds connecting cavity of all pull bars, the bottom of mode transfer stud
Portion contacts and pushes exposed division, exposed division drive the body of rod downwards, cause the rodless cavity of all first oil cylinders to oil extraction in oil pipe simultaneously
The oil mass for the rodless cavity oil-feed to the second oil cylinder is formed in oil pipe, after the second oil cylinder obtains oil mass, the work of the second oil cylinder
Stopper rod setting in motion to inductive switch sensed position, inductive switch obtain signal；Otherwise if not all pull bars and mode transfer spiral shell
Post completes fully connection, i.e., the oil extraction of multiple first oil cylinders is not up to oil mass, then the piston rod of the second oil cylinder cannot move to sense
The sensed position of inductive switch, inductive switch cannot obtain signal.
By using above-mentioned technical scheme, i.e., by the oil drain quantity of the first oil cylinder that will be arranged on pull bar and for examining
The oil inlet quantity of the second oil cylinder surveyed is associated, and the cylinder diameter and stroke of the first oil cylinder and the second oil cylinder are set to be equal to, this
The oil drain quantity and oil inlet quantity of both samples can form equity, and oil extraction relies on exposed division and is pressed down in the first oil cylinder, and work as
After in mode transfer stud insertion pull bar and the exposed division can be just fully pushed again after matched moulds, if so having mode transfer stud and pull bar
Without completing matched moulds, then exposed division is received less than suppressing action, the first oil cylinder at this also cannot oil extraction, the second oil cylinder receives not
To corresponding oil inlet quantity, it cannot just complete predetermined stroke, then inductive switch also cannot just be opened, inductive switch without
Method sends corresponding signal, and the action such as locked mode below also cannot just continue；In other words, only all of mode transfer stud and drawing
After bar matched moulds, the second oil cylinder could obtain the oil inlet quantity of the stroke for supporting its completion to be able to unlatching inductive switch.So, tire sulphur
Change machine only can just may proceed to carry out ensuing action after all of mode transfer stud and pull bar matched moulds so that the operation of whole machine is more
It is safety.
Therefore, the present invention compared with prior art, can effectively prevent because mode transfer stud is not inserted into pull bar to whole
The potential safety hazard that machine curing operation is brought, so as to improve security of the tyre vulcanizer in operation and production.
As preferred scheme, the piston rod overhang scope of the second oil cylinder is obtained in the following manner, inductive switch exists
Signal is obtained in the range of this：
V (entering)=V (row)=X* (L1+ Δ L) * S；
X*L1*S≤V (entering)≤X*L2*S；
V (entering)=L3*S；
L3=V (entering)/S；
X*L1≤L3≤X*L2；
Wherein, V (entering) is the oil inlet quantity of the second oil cylinder, and V (row) is the oil drain quantity of the first oil cylinder, and X is the quantity of pull bar, L1
For mode transfer stud push exposed division to a certain degree after exposed division height, Δ L be L1 after mode transfer stud continue to push exposed division one
Determine the height of exposed division after degree, S is the sectional area of the first oil cylinder and the second oil cylinder, height when L2 is exposed division initial position
Degree, L3 is the piston rod overhang of the second oil cylinder.
Using above-mentioned preferred scheme, can be in order to form the follow-up controlled range that inductive switch is opened to the second oil cylinder.
As preferred scheme, obtain complete fully to connect in not all pull bars and mode transfer stud in the following manner
The piston rod overhang scope of the second oil cylinder under situation about connecing, inductive switch does not obtain signal within this range：
L4=V (row)/S≤30 (mm)；
Understand：
L4≤S2；
Therefore the piston rod overhang of now the second oil cylinder：
L5=0 (mm)；
L5 is met not within the scope of L3, and inductive switch 5 cannot induced signal, system fault alarm.
Wherein, X1 is the quantity for not completing the fully pull bar of connection with mode transfer stud, and L4 is that the piston rod of the first oil cylinder is stretched
Output, L5 is the piston rod overhang of the second oil cylinder in the case of this.
Using above-mentioned preferred scheme, can be formed in that the second oil cylinder under the premise of safeguard protection is not turned on inductive switch can
Control scope.
Brief description of the drawings
Fig. 1 is the structural representation of tyre vulcanizer pressing mechanism of the prior art.
Fig. 2 be Fig. 1 in A-A to sectional view.
Fig. 3 is the structural representation of tyre vulcanizer pressing mechanism of the invention.
Fig. 4 is the structural representation of the safety detection device for tyre vulcanizer pressing mechanism of the invention.
Fig. 5 is involved pull bar part in the safety detection device for tyre vulcanizer pressing mechanism of the invention
Structural representation.
Fig. 6 is involved the second oil cylinder portion in the safety detection device for tyre vulcanizer pressing mechanism of the invention
The structural representation for dividing.
Fig. 7 A are that the involved body of rod in the safety detection device for tyre vulcanizer pressing mechanism of the invention is being received
Structural representation before pressure.
Fig. 7 B are that the involved body of rod in the safety detection device for tyre vulcanizer pressing mechanism of the invention is being received
Structural representation after pressure.
Fig. 7 C are that the involved body of rod in the safety detection device for tyre vulcanizer pressing mechanism of the invention is not received
The structural representation of pressure.
Fig. 8 A are the first oil involved in the safety detection device for tyre vulcanizer pressing mechanism of the invention
The structural representation of cylinder.
Fig. 8 B are the second oil involved in the safety detection device for tyre vulcanizer pressing mechanism of the invention
The structural representation of cylinder.
Wherein, 15. pull bars of 11.1# pressurized cylinders position 12.2# pressurized cylinders position 13.3# pressurized cylinders position 14.4# pressurized cylinders position
The pressurization oil cylinder of 151. matched moulds connecting cavity, 152. through hole, 16. mode transfer stud, 17. cylinder, 18. inductive switch 19.；
2. the second spring 23. of 21. piston rod of the first oil cylinder, 22. body of rod, 221. exposed division, 222. copper sheathing 223. is without bar
32. piston rod of chamber 3. second oil cylinder, 31. rodless cavity 321. first is installed the induction part 33.C shapes of plate body 322. seat 331. and is pushed up
34. guide shaft of portion face 341. second installs the inductive switch of 342. first spring of plate body, 4. oil pipe 5..
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
In order to reach the purpose of the present invention, as shown in Fig. 3-8B, of the invention for tyre vulcanizer pressing mechanism
In some of them implementation method of safety detection device, it includes the oil cylinder 3 of multiple first oil cylinders 2 and 1 second, the first oil cylinder 2
The quantity of quantity correspondence pull bar 15, is illustrated in present embodiment with four, and the piston rod 21 of each the first oil cylinder 2 is consolidated
Determine the bottom of connecting-rod body 22, the body of rod 22 is arranged in pull bar 15 in the through hole 152 opened up along its axial direction, and the body of rod 22 top
The exposed division 221 for exposing the bottom of matched moulds connecting cavity 151, the exposed division 221 are formed in into the matched moulds connecting cavity 151 of pull bar 15
Cause the outside oil extraction of rodless cavity 23 of the first oil cylinder 2, the connected pipes 4 of rodless cavity 23 of multiple first oil cylinders 2, i.e., after being pressed down
One oil cylinder 2 to oil extraction in oil pipe 4, the connected pipes 4 of rodless cavity 31 of the second oil cylinder 3, i.e. oil pipe 4 as intermediary, by the first oil cylinder 2
Oil extraction shifted in the second oil cylinder 3, inductive switch 5 is installed, the second oil in the travel paths of the piston rod 31 of the second oil cylinder 3
The cylinder diameter and stroke of cylinder 3 are equal to the first oil cylinder 2.Wherein, the second oil cylinder 3 can also be arranged as required to be multiple, and sense
Switch 5 is specifically as follows proximity switch, optoelectronic switch etc..
The oil inlet quantity of the second oil cylinder by the oil drain quantity of the first oil cylinder that will be arranged on pull bar and for detecting is carried out
Association, and the cylinder diameter and stroke of the first oil cylinder and the second oil cylinder are set to be equal to, so both oil drain quantities and oil inlet quantity can
To form equity, and oil extraction relies on exposed division and is pressed down in the first oil cylinder, and after working as in mode transfer stud insertion pull bar and fills
The exposed division can be just pushed again after division and modulus, if so thering is mode transfer stud and pull bar not to complete matched moulds, then exposed division
By less than suppressing action, the first oil cylinder at this also cannot oil extraction, the second oil cylinder can not receive corresponding oil inlet quantity, and it just cannot
Complete predetermined stroke, then inductive switch also cannot just be opened, and inductive switch cannot send corresponding signal, below
The action such as locked mode also cannot just continue；In other words, after only all of mode transfer stud and pull bar matched moulds, the second oil cylinder can just be obtained
Its completion must be supported to be able to the oil inlet quantity of the stroke of unlatching inductive switch.So, tyre vulcanizer only can be in all of mode transfer spiral shell
Just may proceed to carry out ensuing action after post and pull bar matched moulds so that the operation of whole machine is safer.Therefore, the present apparatus with it is existing
There is technology to compare, can effectively prevent the safety brought to whole machine curing operation because mode transfer stud is not inserted into pull bar hidden
Suffer from, so as to improve security of the tyre vulcanizer in operation and production.
In order to further optimize implementation result of the invention, as shown in fig. 6, adding for tyre vulcanizer of the invention
In other implementation methods of the safety detection device of press mechanism, on the basis of the above, the second above-mentioned oil cylinder 3 is installed
In a horizontally set C-shaped seat 33 (herein laterally described in the installation site in present embodiment, it can be appreciated that when, with
The change of installation site, the position is also with change), the second oil cylinder 3 is laterally arranged in C-shaped seat 33, and inductive switch 5 is pacified
On top surface 331 loaded on C-shaped seat 33 and perpendicular to top surface 331.Using the scheme of the implementation method, can be in order to second
The installation of oil cylinder and inductive switch can be opened in active procedure in order to its piston rod.
In order to further optimize implementation result of the invention, as shown in fig. 6, adding for tyre vulcanizer of the invention
In other implementation methods of the safety detection device of press mechanism, on the basis of the above, the work of above-mentioned the second oil cylinder 3
The first installation plate body 321 is installed with stopper rod 32, is connected with the first installation plate body 321 axial arranged along piston rod 32
Induction part 322, the induction part 322 is specifically as follows plate body or block, and itself and inductive switch 5 form sensing.Using the reality
The scheme of mode is applied, can further be easy to piston rod that inductive switch is opened in active procedure, particularly the inductive switch
Under the situation of proximity switch.
In order to further optimize implementation result of the invention, as shown in fig. 6, adding for tyre vulcanizer of the invention
In other implementation methods of the safety detection device of press mechanism, on the basis of the above, the work of above-mentioned the second oil cylinder 3
Stopper rod 32 is fixedly connected a guide shaft 34, and the free end of the guide shaft 34 is fixedly installed in the second installation plate body on C-shaped seat 33 with one
341 form adjustable connection, can specifically be threadedly coupled or the mode such as clamping.Using the scheme of the implementation method, can be so as to
In the regulation and setting of the stroke distances to piston rod.
In order to further optimize implementation result of the invention, as shown in fig. 6, adding for tyre vulcanizer of the invention
In other implementation methods of the safety detection device of press mechanism, on the basis of the above, also covered on above-mentioned guide shaft 34
It is provided with the first spring 342.Using the scheme of the implementation method, the reset booster action to piston rod can be formed.
In order to further optimize implementation result of the invention, as illustrated in figures 4-5, of the invention for tyre vulcanizer
In other implementation methods of the safety detection device of pressing mechanism, on the basis of the above, on the above-mentioned body of rod 22 also
Two copper sheathings 222 (also can only set one) are arranged with, it is arranged in through hole 152.Using the scheme of the implementation method, can be with
Ensure up and down smooth, flexibly and stability of the body of rod.
In order to further optimize implementation result of the invention, as illustrated in figures 4-5, of the invention for tyre vulcanizer
In other implementation methods of the safety detection device of pressing mechanism, on the basis of the above, on the above-mentioned body of rod 22 also
Second spring 223 is arranged with, it is installed on guide rod 22 close on the part of exposed division 221.Using the scheme of the implementation method, can
To form the reset booster action to the body of rod.
In order to reach the purpose of the present invention, with reference to shown in Fig. 3-8B, of the invention for tyre vulcanizer pressing mechanism
Safety detection method some of them implementation method in, it includes：
S1：Many four bodies of rod 22 of the correspondence quantity of pull bar 15 are worn along its axial direction in four pull bars 15, the body of rod 22
Bottom connects the first oil cylinder 2, top and exposes the bottom of matched moulds connecting cavity 151 into formation in the matched moulds connecting cavity 151 of pull bar 15
Exposed division 221, oil pipe 4 is respectively connecting to by the rodless cavity 23 of four the first oil cylinders 2, oil pipe 4 again with the rodless cavity of the second oil cylinder 3
31 connections, and inductive switch 5, the cylinder diameter and stroke of the second oil cylinder 3 are installed in the travel paths of piston rod 32 in the second oil cylinder 3
It is equal to the first oil cylinder 2；
S2：After four mode transfer studs 16 of tyre vulcanizer enter in four matched moulds connecting cavities 151 of pull bar 15, mode transfer
The bottom of stud 16 contacts and pushes exposed division 221, and exposed division 221 drives the body of rod 22 downwards, causes four nothings of the first oil cylinder 2
Rod cavity 23 is formed for an oil mass for the oil-feed of rodless cavity 31 of the second oil cylinder 3 to oil extraction in oil pipe 5 and in oil pipe 5, and
After two oil cylinder 3 obtains oil mass, the sensed position of the setting in motion of piston rod 32 of the second oil cylinder 3 to inductive switch 5, inductive switch 5
Obtain signal；
Otherwise if one of pull bar and mode transfer stud not completed and fully connect (i.e. shown in Fig. 7 C), i.e., four the first oil cylinders
2 oil extraction is not up to oil mass (wherein having first oil cylinder 2 not complete oil extraction), then the piston rod 32 of the second oil cylinder 3 cannot be transported
Move to the sensed position of inductive switch 5, inductive switch 5 cannot obtain signal.
The oil inlet quantity of the second oil cylinder by the oil drain quantity of the first oil cylinder that will be arranged on pull bar and for detecting is carried out
Association, and the cylinder diameter and stroke of the first oil cylinder and the second oil cylinder are set to be equal to, so both oil drain quantities and oil inlet quantity can
To form equity, and oil extraction relies on exposed division and is pressed down in the first oil cylinder, and after working as in mode transfer stud insertion pull bar and fills
The exposed division can be just pushed again after division and modulus, if so thering is mode transfer stud and pull bar not to complete matched moulds, then exposed division
By less than suppressing action, the first oil cylinder at this also cannot oil extraction, the second oil cylinder can not receive corresponding oil inlet quantity, and it just cannot
Complete predetermined stroke, then inductive switch also cannot just be opened, and inductive switch cannot send corresponding signal, below
The action such as locked mode also cannot just continue；In other words, after only all of mode transfer stud and pull bar matched moulds, the second oil cylinder can just be obtained
Its completion must be supported to be able to the oil inlet quantity of the stroke of unlatching inductive switch.So, tyre vulcanizer only can be in all of mode transfer spiral shell
Just may proceed to carry out ensuing action after post and pull bar matched moulds so that the operation of whole machine is safer.Therefore, this method with it is existing
There is technology to compare, can effectively prevent the safety for being not inserted into pull bar and being brought to whole machine curing operation by mode transfer stud
Hidden danger, so as to improve security of the tyre vulcanizer in operation and production.
In order to illustrate present embodiment, concrete numerical value is presented below to help with explanation.
The piston rod initial position of the first oil cylinder and the second oil cylinder is as follows：
The piston rod overhang scope of the second oil cylinder is obtained in the following manner, and inductive switch obtains letter within this range
Number：
V (entering)=V (row)=4* (5+ Δ L) * S；
4*L1*S≤V (entering)≤4*L2*S；
V (entering)=L3*S；
L3=V (entering)/S；
20≤L3≤40 (mm), inductive switch 5 can sense signal within this range, after the induced signal of inductive switch 5,
Cylinder ventilation makes mode transfer stud and pull bar locking, while the induced signal of inductive switch 5, pressurized cylinder epicoele enters hydraulic oil, and pressurization is dynamic
Work terminates.
Wherein, V (entering) is the oil inlet quantity of the second oil cylinder, and V (row) is the oil drain quantity of the first oil cylinder, and X is the quantity of pull bar, L1
For mode transfer stud push exposed division to a certain degree after exposed division height (i.e. 5mm), Δ L be L1 after mode transfer stud continue to push dew
The height (i.e. 0mm≤Δ L≤5mm) of exposed division after going out portion to a certain degree, S is the sectional area of the first oil cylinder and the second oil cylinder, L2
Height during for exposed division initial position, L3 is the piston rod overhang of the second oil cylinder.
Obtain in the following manner and complete under the fully situation of connection the in not all pull bars and mode transfer stud
The piston rod overhang scope of two oil cylinders, inductive switch does not obtain signal within this range, that is, assume 1# pressurizations during matched moulds
The mode transfer stud matched moulds of cylinder position is not in place：
Rod chamber stroke S2=30 (mm) of the oil cylinders of Fig. 8 A first, it is assumed that the mode transfer stud of 1# pressurized cylinders position during matched moulds
Matched moulds is not in place, and three mode transfer studs are normal in place in addition, then oil extraction cumulative volume V (the row)≤3*10*S of this three oil cylinders,
Because the oil of this oil cylinder rodless cavity discharge at three is fully entered at 1# pressurized cylinders in the rodless cavity of the first oil cylinder.Therefore, 1# pressurizations
The piston rod overhang of the first oil cylinder of cylinder position：
L4=V (row)/S≤30 (mm)；
Understand：
L4≤S2；
Therefore the piston rod overhang of now the second oil cylinder：
L5=0 (mm)；
L5 is met not within the scope of L3, and inductive switch 5 cannot induced signal, system fault alarm.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (8)
1. the safety detection device of tyre vulcanizer pressing mechanism is used for, it is characterised in that including：
Multiple first oil cylinders, the quantity of its quantity correspondence pull bar, the piston rod of each first oil cylinder is fixedly connected the body of rod
Bottom, the body of rod is arranged in the pull bar in the through hole opened up along its axial direction, and the top of the body of rod enters the drawing
The exposed division for exposing the matched moulds connecting cavity bottom is formed in the matched moulds connecting cavity of bar, the exposed division causes described after being pressed down
The outside oil extraction of rodless cavity of the first oil cylinder；
At least one second oil cylinder, the rodless cavity connected pipes of the multiple first oil cylinder, the rodless cavity connection of second oil cylinder
The oil pipe, is provided with inductive switch in the travel paths of the piston rod of second oil cylinder, the cylinder diameter of second oil cylinder and
Stroke is equal to first oil cylinder.
2. the safety detection device for tyre vulcanizer pressing mechanism according to claim 1, it is characterised in that described
Second oil cylinder is installed on the C-shaped seat of a horizontally set, and second oil cylinder is laterally arranged in the C-shaped seat, the inductive switch
It is installed on the top surface of the C-shaped seat and perpendicular to the top surface.
3. the safety detection device for tyre vulcanizer pressing mechanism according to claim 1 and 2, it is characterised in that
The first installation plate body is installed with the piston rod of second oil cylinder, is connected with along the work on the first installation plate body
The axial arranged induction part of stopper rod, it forms with the inductive switch and senses.
4. the safety detection device for tyre vulcanizer pressing mechanism according to claim 2, it is characterised in that described
The piston rod of the second oil cylinder is fixedly connected a guide shaft, and the free end of the guide shaft is fixedly installed in the on the C-shaped seat with one
Two installing plate bodies form adjustable connection.
5. the safety detection device for tyre vulcanizer pressing mechanism according to claim 4, it is characterised in that described
The first spring is also arranged with guide shaft.
6. the safety detection device for tyre vulcanizer pressing mechanism according to claim 1, it is characterised in that described
An at least copper sheathing is also arranged with the body of rod, it is arranged in the through hole.
7. the safety detection device for tyre vulcanizer pressing mechanism according to claim 1 or 6, it is characterised in that
Second spring is also arranged with the body of rod, it is installed on the body of rod close on the part of the exposed division.
8. the safety detection method of tyre vulcanizer pressing mechanism is used for, it is characterised in that including：
In multiple pull bars many bodies of rod of the correspondence pull bar quantity, the bottom connection first of the body of rod are worn along its axial direction
Oil cylinder, top expose the exposed division of the matched moulds connecting cavity bottom into formation in the matched moulds connecting cavity of the pull bar, by multiple
The rodless cavity of first oil cylinder is respectively connecting to oil pipe, and rodless cavity of the oil pipe again with the second oil cylinder is connected, and described
Inductive switch is installed, the cylinder diameter and stroke of second oil cylinder are equal to described in the travel paths of the piston rod of the second oil cylinder
One oil cylinder；
After all mode transfer studs of tyre vulcanizer enter in the matched moulds connecting cavity of all pull bars, the mode transfer stud
Bottom contacts and pushes the exposed division, and the exposed division drives the body of rod downwards, causes the nothing of all first oil cylinders
Rod cavity forms the oil mass for the rodless cavity oil-feed to second oil cylinder, institute to oil extraction in the oil pipe and in the oil pipe
State after the second oil cylinder obtains the oil mass, the piston rod setting in motion of second oil cylinder to the sensing position of the inductive switch
Put, the inductive switch obtains signal；Otherwise if not all pull bars and mode transfer stud complete fully connection, i.e., multiple described the
The oil extraction of one oil cylinder is not up to the oil mass, then the piston rod of second oil cylinder cannot move to the sensing of the inductive switch
Position, the inductive switch cannot obtain signal.
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| CN200939674Y (en) * | 2006-05-17 | 2007-08-29 | 广东巨轮模具股份有限公司 | Column multi-tooth lock ring hydraulic tyre vulcanizer |
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Address after: No. 18, Pingsheng Road, Suzhou Industrial Park, Jiangsu 215128 Patentee after: Sino-arp Tires Equipment Technology (Suzhou) Co.,Ltd. Address before: No. 18, Pingsheng Road, Suzhou Industrial Park, Jiangsu 215128 Patentee before: SINO-ARP TIRES EQUIPMENT TECHNOLOGY (SUZHOU) Co.,Ltd. |