The buffer of a kind of automatic pick, release slider
Technical field
The present invention relates to a kind of buffer, particularly relating to a kind of take elastic gel as the buffer of buffer medium.
Background technique
In bumper and absorbing shock field, buffer uses very extensive, and its Main Function absorbs various impact energy, proterctive equipment and reduction noise etc.
But slide block is when cushion at collision, because impact energy is excessive, in buffer, piston has little time work, causes slide block to have a rebound phenomenon, and what how to avoid this scene is the technical barrier of related domain.
Summary of the invention
The technical problem to be solved in the present invention is to provide the buffer of a kind of automatic pick, release slider, and this buffer solves slide block when shock eliminator, the technical problem that slide block has a rebound.
The invention provides the buffer of a kind of automatic pick, release slider, described buffer comprises: cylindrical, and for filling the cylinder body of buffer medium, cylinder cap is provided with in the opening end sealing of this cylinder body, in the central through bore of described cylinder cap, air-tight movable is combined with a piston rod, the right-hand member of this piston rod is provided with piston body assembly, and this piston body assembly is suitable for making piston movement in described cylinder body, and this slide block is magnetic slider; When the work of buffering, the right side of described cylinder body is as the surface of contact collided with slide block; Be arranged with electromagnetic coil in the sidewall of described cylinder body, the right side of described piston body assembly is provided with the pressure transducer for detecting pressure medium, and this pressure transducer is connected with a processor module.
Described buffer comprises: when described slide block clashes into the right side of described cylinder body, described processor module is suitable for according to pressure medium value, control a direct current driven module and export the direct current (d.c.) matched with this pressure medium value, described electromagnetic coil is made to produce corresponding magnetic field, with slide block described in adhesive; Until described processor module records pressure medium value when being equilibrium value, control described direct current driven module and produce and oppositely export direct current (d.c.), to discharge described slide block.
Further, in order to the impact energy of effective buffer sliding block, described buffer is three grades of buffers, comprising: chopped-off head buffer, intergrade buffer and final stage buffer; Described chopped-off head buffer, intergrade buffer, final stage buffer comprise respectively: cylindrical, and for filling the cylinder body of buffer medium, cylinder cap is provided with in the opening end sealing of this cylinder body, in the central through bore of described cylinder cap, air-tight movable is combined with a piston rod, the right-hand member of this piston rod is provided with piston body assembly, this piston body assembly is suitable for making piston movement in described cylinder body, and coordinates with the inwall movable sealing of described cylinder body; Wherein, the cylinder body of described chopped-off head buffer forms the piston rod of described intergrade buffer, and the cylinder body of described intergrade buffer forms the piston rod of described final stage buffer; When the work of buffering, the cylinder body right side of described final stage buffer is as the surface of contact collided with slide block; Described electromagnetic coil is set around in the sidewall of the cylinder body of described final stage buffer; Described pressure transducer is located on the right side of the piston body assembly of described chopped-off head buffer; The piston body assembly of buffer at different levels is suitable for when making piston movement, the pressure medium that described processor detects according to described pressure transducer, regulates medium in corresponding cylinder body toward regurgitation volume, with the speed of control piston motion.
Further, described piston body assembly comprises: the coaxial left and right piston body arranged, this left and right piston body is arranged with several through holes for medium axial flow, being sealed and matched between the adjacent face of left and right piston body, during to make to make piston movement, medium realizes coming and going flowing by means of only each through hole on described left and right piston body; The cavity for placing motor is provided with in described left piston body, this motor is controlled by described processor module, its rotor is connected to described right piston body, rotate for driving this right piston body according to pressure medium, to control the relative position relation of each through hole on left and right piston body, and then control media flow, i.e. control piston movement velocity.
Compared with prior art, tool of the present invention has the following advantages: (1) the present invention produces the magnetic field that matches with surge pressure with adhesive slide block by processor, direct current driven module, anti-limited slip block causes bounce-back because impact energy is excessive, and energy release slider fast after terminating to buffering; (2) instant invention overcomes in prior art due to impact energy fluctuation, and cause multi-stage buffer cannot the technical problem of co-ordination, the present invention detects impact energy by pressure transducer, and the medium of suitable adjustment buffer at different levels is toward regurgitation volume, to control the movement velocity of each piston body assembly, make buffer co-ordination at different levels, avoid certain one-level buffer that may occur excessive because of impact energy, all the other buffers have little time compression, and cause this grade of buffer long-term work in a high voltage state, easily cause damage; (3) coordinated by each through hole in left and right piston body, to control medium in corresponding cylinder body toward regurgitation volume, thus change the shuttle speed of respective pistons, to alleviate the cavity pressure of cylinder body at different levels, extend the buffer life-span; (4) these three grades of buffers are without the need to considering that medium is different, and application place is extensive, without the need to regulating buffer operative order in addition.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
The structural representation of Fig. 1 buffer of the present invention;
The structural representation one of Fig. 2 three grades of buffers of the present invention;
The structural representation two of Fig. 3 three grades of buffers of the present invention;
The structural representation of the piston body assembly in Fig. 4 three grades of buffers of the present invention;
The operating diagram of Fig. 5 piston body assembly of the present invention;
Fig. 6 control circuit structured flowchart of the present invention.
Wherein, piston rod, the piston rod of 6-1 intergrade buffer, the piston rod of 6-2 final stage buffer, 7 piston body assemblies, 8 urceolus, 9 pressure transducers, 10 slide blocks, 7-1 left piston body, the right piston body of 7-2,7-3 through hole, 7-4 motor, the 7-5 rotor of 1 chopped-off head buffer, 2 intergrade buffers, 3 final stage buffers, 4 cylinder bodies, 4-1 electromagnetic coil, 5 cylinder caps, 6 chopped-off head buffers.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
Embodiment 1
See Fig. 1 and Fig. 6, the buffer of a kind of automatic pick, release slider, comprise: cylindrical, and for filling the cylinder body 4 of buffer medium, cylinder cap 5 is provided with in the opening end sealing of this cylinder body 4, in the central through bore of described cylinder cap 5, air-tight movable is combined with a piston rod 6, and the right-hand member of this piston rod 6 is provided with piston body assembly 7, and this piston body assembly 7 is suitable for making piston movement in described cylinder body 4; When the work of buffering, the right side of described cylinder body 4 is as the surface of contact collided with slide block 10, and this slide block 10 is magnetic slider; Be arranged with electromagnetic coil 4-1 in the sidewall of described cylinder body 4, described piston body assembly 7 right side is provided with the pressure transducer 9 for detecting pressure medium, and this pressure transducer 9 is connected with a processor module.
When described slide block 10 clashes into the right side of described cylinder body 4, described processor module is suitable for according to pressure medium value, control a direct current driven module and export the direct current (d.c.) matched with this pressure medium value, make described electromagnetic coil 4-1 produce corresponding magnetic field, with slide block described in adhesive 10; Until described processor module records pressure medium value when being equilibrium value, control described direct current driven module and produce and oppositely export direct current (d.c.), to discharge described slide block 10.
When described slide block 10 clashes into the right side of described cylinder body 4, described cylinder body 4 is moved to the left, piston body assembly 7 moves right relative to described cylinder body 4, in cylinder body 4, right side buffer medium is subject to larger pressure, when buffer medium flows on the left of piston body assembly 7, the pressure that in cylinder body 4, right side buffer medium is subject to reduces gradually, until the left and right sides pressure medium of described piston body assembly 7 is equal, namely when described pressure medium value is equilibrium value (force value when namely the hydraulic pressure value of the left and right sides of piston body assembly 4 is equal), when piston body assembly 7 quits work, slide block 10 also stops mobile, now, described direct current driven module produces and oppositely exports direct current (d.c.), and namely electromagnetic coil 4-1 produces reverse magnetic field, repels each other with described slide block, to discharge this slide block fast.
Wherein, described processor module adopts single-chip microcomputer, embedded-type ARM module; Pressure transducer 9, such as, can adopt the gloomy P499VBS-404C in river.
Its right end face of urceolus 8 is fixed in the bottom of described piston rod 6.
Embodiment 2
See Fig. 2 and Fig. 3, described buffer is three grades of buffers, comprising: chopped-off head buffer 1, intergrade buffer 2 and final stage buffer 3; Described chopped-off head buffer 1, intergrade buffer, final stage buffer 3 comprise respectively: cylindrical, and for filling the cylinder body 4 of buffer medium, cylinder cap 5 is provided with in the opening end sealing of this cylinder body 4, in the central through bore of described cylinder cap 5, air-tight movable is combined with a piston rod 6, the right-hand member of this piston rod 6 is provided with piston body assembly 7, this piston body assembly 7 is suitable for making piston movement in described cylinder body 4, and coordinates with the inwall movable sealing of described cylinder body 4; Wherein, the cylinder body 4 of described chopped-off head buffer 1 forms the piston rod 6-1 of described intergrade buffer 2, and the cylinder body 4 of described intergrade buffer 2 forms the piston rod 6-2 of described final stage buffer 3; When the work of buffering, cylinder body 4 right side of described final stage buffer 3 is as the surface of contact collided with slide block 10; Described electromagnetic coil 4-1 is set around in the sidewall of the cylinder body 4 of described final stage buffer 3; Described pressure transducer 9 is located on the right side of the piston body assembly 7 of described chopped-off head buffer 1; The piston body assembly 7 of buffer at different levels is suitable for when making piston movement, according to the pressure medium that described pressure transducer 9 detects, regulates medium in corresponding cylinder body 4 toward regurgitation volume, with the speed of control piston motion.
The left end of urceolus 8 is fixed on bottom the piston rod 6 of described chopped-off head buffer 1.
F represents the pressure direction that three grades of buffers are subject to, and F1, F2, F3 represent the moving direction of piston in buffer at different levels.
See Fig. 4 and Fig. 5, described piston body assembly 7 comprises: coaxial left piston body 7-1, the right piston body 7-2 arranged, this left piston body 7-1, right piston body 7-2 are arranged with several through hole 7-3 for medium axial flow, being sealed and matched between the adjacent face of described left and right piston body, during to make to make piston movement, medium realizes coming and going flowing by means of only each through hole 7-3 on described left and right piston body; The cavity for placing motor 7-4 is provided with in described left piston body 7-1, this motor 7-4 is controlled by described processor module, its rotor 7-5 is connected to described right piston body 7-2, rotate for driving this right piston body 7-2 according to pressure medium, to control the relative position relation of each through hole 7-3 on left and right piston body, and then control media flow, i.e. control piston movement velocity.
In Fig. 5, dotted line through hole 7-3 represents it is through hole 7-3 in left piston body 7-1, solid line through hole 7-3 represents the through hole 7-3 in right piston body 7-2, arrow represents motor 7-4 sense of rotation, this Fig. 4 represents respective through hole 7-3 docking operation on the fitting surface of left and right piston body 7-2, to control the rate-of flow in through hole.
Described right piston body 7-2 coaxially deflects relative to right piston body 7-2, its slewing area is no more than the diameter of through hole 7-3, also deflection angle can be called, namely motor 7-4 drives right piston body 7-2 in this diameter range according to pressure medium, do to come and go and rotate, to reach the object of control media flow, thus play the piston movement speed controlling respective pistons body assembly 7, and then alleviate pressure medium in cylinder body 4, play the object extending the buffer life-span, described three grades of buffers, can according to service condition, close arbitrary or two buffers, a buffer is kept normally to work, the buffer causing temperature to raise because of continuous firing is quit work, with cooling, non-stop-machine basis achieves the cooling of buffer, can effectively extend the buffer life-span.
The direct current generator 7-4 that described motor 7-4 can adopt precision high, or stepper motor 7-4.Power pack can adopt powered battery.Battery can be installed in left or right piston body 7-2.
See Fig. 5, if many of described through hole 7-3, its distribution can be that concentric circle distributes with left and right piston body 7-2.Signal data line can be placed in cylinder body 4 wall of buffer at different levels, or is directly placed in medium.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.