CN205521658U - Fixture and have its cutting machine - Google Patents
Fixture and have its cutting machine Download PDFInfo
- Publication number
- CN205521658U CN205521658U CN201620335972.0U CN201620335972U CN205521658U CN 205521658 U CN205521658 U CN 205521658U CN 201620335972 U CN201620335972 U CN 201620335972U CN 205521658 U CN205521658 U CN 205521658U
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- fixture block
- circuit
- clamping device
- ring
- valve
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Abstract
The utility model discloses a fixture and have its cutting machine, including last clamp splice, down the clamp splice, simultaneously run through in last clamp splice and down the clamp splice the guide post, be used for separately -driven and go up clamp splice and the cylinder that slides along the guide post of clamp splice down, an organic whole is provided with the limiting check ring who is located between clamp splice and the lower clamp splice on the guide post, limiting check ring goes up relatively and all is equipped with the forced induction component on the face of clamp splice and lower clamp splice, the cylinder cooperation is used has magenetic exchange valve and electromagnetism to cut the pneumatic valve, magenetic exchange valve and electromagnetism cut the pneumatic valve and all are controlled by control circuit, control circuit including a implementation of circuit of control magenetic exchange valve gain and loss electricity, trigger in the trigger circuit of forced induction component and be provided with the 2nd implementation of circuit that the electromagnetism cut the pneumatic valve and was controlled by trigger circuit, realize the control with electromagnetism section pneumatic valve to magenetic exchange valve through control circuit to the realization is to the control of cylinder, prevents that upper and lower clamp splice from to excessively the exerting pressure of limiting check ring, improving limiting check ring's life.
Description
Technical field
This utility model relates to tubular object extruding apparatus field, more specifically, it relates to the clamping device of a kind of cutting machine.
Background technology
nullIn plastic pipe, modal production technology usually first carries out extruder for shaping，Then the tubing after shaping enters into and carries out inside cutting machine cutting off operation，Traditional cutting machine includes the shut-off mechanism being arranged in cutting machine and is arranged on the clamping device of cutting machine discharging opening，Disclosed in clamping device therein substantially as entitled in Application No. 201320516528.5 " a kind of pipe cutting machine "，Including upper fixture block、Lower fixture block，For driving、The drive mechanism of lower fixture block，In the lead being vertically arranged、Lead is simultaneously through upper fixture block and lower fixture block，In actual use，From extruder, the plastic pipe of molding enters into inside cutting machine，And stretch out from the discharge outlet of cutting machine，After stretching out anticipation length，Upper by clamping device、Tubing is clamped by lower fixture block，Then by the shut-off mechanism within cutting machine, tubing is cut off，Then clamping device unclamps tubing，Tubing will be pushed under the reasoning effect of extruder and enter next operation on connecting gear by plastic pipe.
Wherein in order to prevent when clamping tubing, clamping device is by tubing pinch off or prevents from occurring tubing disalignment to rupture under the drive of clamping device, lead is provided with spacing back-up ring, when upper fixture block move downward, lower fixture block move upward time, it is able to ensure that fixture block and lower fixture block move to spacing position, the most again by pipe clamping, thus improve the stability of clamping tubing.
But under the driving of drive mechanism, when upper and lower fixture block moves to spacing back-up ring when, due in order to ensure enough to add holding force, the driving force when of drive mechanism driving upper and lower fixture block will be sufficiently large, it is very easy to after using the extremely short time to make upper and lower fixture block that spacing back-up ring hits deviation or serious wear, thus causes playing due limit function.
Utility model content
The purpose of this utility model one is to provide the control system of a kind of cutting machine clamping device that can improve service life.
Above-mentioned technical purpose one of the present utility model has the technical scheme that a kind of clamping device, including upper fixture block, lower fixture block, simultaneously through upper fixture block and the lead of lower fixture block, for driving upper fixture block and lower fixture block along the cylinder of lead sliding respectively, the spacing back-up ring between upper fixture block and lower fixture block it is wholely set on lead, described spacing back-up ring is relatively gone up and is equipped with pressure responsive element on the face of fixture block and lower fixture block, described cylinder is with the use of having solenoid directional control valve and electromagnetism cut-off valve, described solenoid directional control valve and electromagnetism cut-off valve are controlled by control circuit, described control circuit includes that controlling solenoid directional control valve obtains the first execution circuit of dead electricity, trigger triggering circuit and be provided with electromagnetism cut-off valve and be controlled by the second execution circuit of triggering circuit in pressure responsive element.
By such scheme, solenoid directional control valve realizes the sliding in opposite directions of the upper and lower fixture block of air cylinder driven for changing the trend of cylinder gas circuit or deviates from sliding, and electromagnetism cut-off valve then controls the break-make of gas circuit；Owing to relatively going up at spacing back-up ring, it is equipped with pressure responsive element on the face of lower fixture block, when upper, when lower fixture block move toward one another realizes pinching action, to touch with spacing back-up ring, and during touching, on, pressure between lower fixture block and spacing back-up ring will be gradually increased, this pressure will be sensed by pressure responsive element, when pressure reaches setting value, to make to trigger circuit and control the second execution circuit turn-on, electromagnetism cut-off valve energized action will be made when second performs circuit turn-on, gas circuit is blocked, now cylinder blocks being in source of the gas and the state of pressurize, will not continue to the effect lasts by source of the gas to upper, lower fixture block presses, thus avoid, excessive compression problem between lower fixture block and spacing back-up ring, improve the service life of spacing back-up ring, decrease, abrasion between lower fixture block and spacing back-up ring.
It is optimized for further: described first performs circuit includes maintenance button and the solenoid directional control valve of series connection.
Pass through such scheme, by pressing the function that maintenance button will make solenoid directional control valve energized action realize changing cylinder gas circuit trend, when again pressing maintenance button, solenoid directional control valve dead electricity will be made to reset, gas circuit will restore to the original state, thus realize the reciprocating motion purpose of the upper and lower fixture block of air cylinder driven.
Being optimized for further: described triggering circuit includes pressure responsive element, this pressure responsive element is connected to the input of light coupling to control cut-offfing of light coupling, the outfan of this light coupling connect have relay coil with control relay coil dead electricity.
Pass through such scheme, pressure responsive element can be varistor, the pressure between upper and lower fixture block and spacing back-up ring is detected by pressure responsive element, when pressure is big, the resistance of varistor is little, by the electric current senior general of light coupling, light coupling is turned on, and then it is electric that relay coil is obtained, and relay coil obtains and electric relay normally open contact will be made to close；When pressure is little, the resistance of varistor is big so that the electric current flowing through light coupling diminishes, until making the resistance of critesistor arrive greatly so that light coupling is closed, relay coil dead electricity, and relay coil dead electricity will make relay normally open contact be off.
It is optimized for further: described second performs circuit includes the electromagnetism cut-off valve being in series mutually, maintenance button and is controlled by the relay normally open contact of relay coil.
By such scheme, it is that the second execution circuit is in treats on-state, when relay normally open contact adhesive, just can make the second execution circuit turn-on, and electromagnetism cut-off valve is the most actionable when pressing maintenance button for the first time；When again pressing maintenance button, just can trigger the first execution circuit and second simultaneously and perform the disconnection of circuit so that solenoid directional control valve and electromagnetism cut-off valve dead electricity simultaneously resets, and meets and can also reset while cylinder is originated from.
It is optimized for further: described spacing back-up ring is relatively gone up and is equipped with cushion on the face of fixture block and lower fixture block, and described pressure responsive element is located between cushion and spacing back-up ring.
Pass through such scheme; by the setting of cushion; on the one hand the effect of protection pressure responsive element can be played; on the other hand when upper and lower fixture block extrudes to spacing back-up ring; extruding is apart from elongated; the linear response ability of pressure responsive element strengthens, advantageously in the control circuit control to cylinder action.
It is optimized for further: the another side of described cushion relative limit back-up ring is provided with the shock sheet being made up of hard material.
Pass through such scheme, by being provided with shock sheet on the buffer layer, when upper and lower fixture block move toward one another extrudes to spacing back-up ring when, can first touch on shock sheet, thus decrease the wear-out failure to cushion of the upper and lower fixture block, improve the service life of cushion.
It is optimized for further: described shock sheet is removably connected by VELCRO with cushion.
By such scheme, owing to there will be the wear phenomenon clashing into sheet during life-time service or miscuing the phenomenon that cannot normally use, now directly can be dismantled with cushion by the connected mode of VELCRO.
It is optimized for further: described shock sheet is arranged to two semicircular annular.
By such scheme, by the shock sheet being made up of two semi-circular shape, when shock sheet is installed on the buffer layer by needs, first with the axis of guide for axle center, two semi-circular shape can be docked, then press and realized connecting by VELCRO on the buffer layer；When sheet is clashed in needs dismounting when, can directly grasp shock sheet and upwards play the part of, complete dismounting, it is achieved the convenient effect of sheet is clashed in dismounting.
It is optimized for further: described cushion is removably connected with spacing back-up ring by VELCRO.
By such scheme, owing to cushion also is able to removably connect with spacing back-up ring, when when shock sheet does not damages, cushion damages, can individually cushion be replaced, cost-effective.
The purpose of this utility model two is to provide a kind of cutting machine that at least can solve the problem that the problems referred to above.
Above-mentioned technical purpose two of the present utility model has the technical scheme that a kind of cutting machine, includes the clamping device in technique scheme.
In sum, this utility model has the advantages that on the spacing back-up ring by arranging on existing guide post and is provided with pressure responsive element, by in sensing, the force value of spacing back-up ring is passed through the control circuit break-make operation to electromagnetism cut-off valve by lower fixture block, thus realize cut-out and the conducting of cylinder origin, add cylinder to upper, stressed degree of control executed by lower fixture block, prevent, the lower fixture block excessive pressure to spacing back-up ring, decrease on spacing back-up ring, the probability that lower fixture block hits skew and the degree being worn, improve the service life of spacing back-up ring and to upper, the stationkeeping ability of lower fixture block.
Accompanying drawing explanation
Fig. 1 is the clamping device schematic diagram of embodiment one；
Fig. 2 is the control circuit schematic diagram of embodiment one；
Fig. 3 is the clamping device schematic diagram of embodiment two；
Fig. 4 is the cutting machine overall schematic of embodiment three.
In figure, 11, upper fixture block；12, lower fixture block；2, lead；21, spacing back-up ring；3, cylinder；41, varistor；42, cushion；43, sheet is clashed into；51, circuit is triggered；52, second circuit is performed；53, first circuit is performed；61, electromagnetism cut-off valve；62, solenoid directional control valve；7, cutting machine body；8, chute feeder.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
Embodiment one, a kind of clamping device, see accompanying drawing 1-2, including upper fixture block 11, lower fixture block 12, simultaneously through upper fixture block 11 and the lead 2 of lower fixture block 12, for driving upper fixture block 11 and lower fixture block 12 along the cylinder 3 of lead 2 sliding respectively, being wholely set the spacing back-up ring 21 between upper fixture block 11 and lower fixture block 12 on lead 2, wherein cylinder 3 is not drawn in being combined with electromagnetism cut-off valve 61(Fig. 1 of the electromagnetism Pneumatic valve for controlling the commutation of its gas circuit and its source of the gas break-make of control).
See accompanying drawing 2, control circuit, circuit 53 and the second execution circuit 52 is performed including triggering circuit 51, first, trigger circuit 51 and include varistor 41, varistor 41 is connected to the input of light coupling U to control cut-offfing of light coupling U, the outfan of this light coupling U connect have relay coil K with control relay coil K dead electricity；Second performs relay normally open contact k, electromagnetism cut-off valve 61 and the maintenance button SB that circuit 52 includes being arranged in series；First performs maintenance button SB and the solenoid directional control valve 62 that circuit 53 includes being in series mutually.
nullThe when of specific works，First press maintenance button SB the first execution circuit 53 is turned on and second performs circuit 52 and be in and treat on-state，Solenoid directional control valve 62 obtains the electric gas circuit making cylinder 3 and commutates，Thus cylinder 3 drives upper fixture block 11 and lower fixture block 12 move toward one another，Upper fixture block 11 and lower fixture block 12 start to touch spacing back-up ring 21 when，Pressure between them will be gradually increased，The resistance of varistor 41 is gradually reduced，When being in pressure and reaching setting value，By the electric current senior general of light coupling U, light coupling U is turned on，And then it is electric to make relay coil K obtain，And relay coil K obtains and electric relay normally open contact k will be made to close，So that the second execution circuit 52 turns on and electromagnetism cut-off valve 61 energized action，Gas circuit is blocked，Now cylinder 3 blocks being in source of the gas and the state of pressurize，Will not continue to by the effect lasts of source of the gas, upper fixture block 11 and lower fixture block 12 be pressed，Thus avoid the excessive compression problem between fixture block 11 and lower fixture block 12 and spacing back-up ring 21，Improve the service life of spacing back-up ring 21，Decrease the abrasion between fixture block 11 and lower fixture block 12 and spacing back-up ring 21；When needs unclamp clamp position, when again pressing maintenance button, just can trigger the first execution circuit 53 and disconnection of the second execution circuit 52 simultaneously, solenoid directional control valve 62 and electromagnetism cut-off valve 61 dead electricity simultaneously is resetted, thus source of the gas is by being again switched on and the gas circuit commutation recovery of cylinder 3, so that cylinder 3 drives upper fixture block 11 and the action unclamping clamping from having moved of lower fixture block 12.
Embodiment two, a kind of clamping device, see accompanying drawing 2-3, on the basis of embodiment one, add cushion 42 and clash into sheet 43, varistor 41(pressure responsive element) it is located between cushion 42 and spacing back-up ring 21, the another side of cushion 42 relative limit back-up ring 21 is provided with the shock sheet 43 being made up of hard material, and shock sheet 43 is arranged between two semi-annular shapes and cushion 42 use VELCRO to be connected, and is also adopted by VELCRO and is connected between cushion 42 with spacing back-up ring 21.
Setting by cushion 42; on the one hand the effect of protection pressure responsive element can be played; on the other hand when upper and lower fixture block 12 extrudes to spacing back-up ring 21; extruding is apart from elongated; the pressure sensitive distance of varistor 41 increases; thus add feedback time and can feed back distance, advantageously in the control circuit control to cylinder 3 action；And by being provided with shock sheet 43 on cushion 42, when upper and lower fixture block 12 move toward one another extrudes to spacing back-up ring 21 when, can first touch on shock sheet 43, thus decrease the wear-out failure to cushion 42 of the upper and lower fixture block 12, improve the service life of cushion 42.
Embodiment three, a kind of cutting machine, see accompanying drawing 4, including cutting machine body 7, it is internally provided with the cutting mechanism for incising pipes at cutting machine body 7, its discharging opening is provided with embodiment one or the clamping device of embodiment two, and be provided with chute feeder 8 at the bearing of trend of discharging opening.
Claims (10)
- null1. a clamping device，Including upper fixture block (11)、Lower fixture block (12)、Simultaneously through the lead (2) of upper fixture block (11) and lower fixture block (12)、For driving upper fixture block (11) and lower fixture block (12) along the cylinder (3) of lead (2) sliding respectively，The spacing back-up ring (21) being positioned between upper fixture block (11) and lower fixture block (12) it is wholely set on lead (2)，It is characterized in that，Described spacing back-up ring (21) is relatively gone up and is equipped with pressure responsive element on the face of fixture block (11) and lower fixture block (12)，Described cylinder (3) is with the use of having solenoid directional control valve (62) and electromagnetism cut-off valve (61)，Described solenoid directional control valve (62) and electromagnetism cut-off valve (61) are controlled by control circuit，Described control circuit includes that controlling solenoid directional control valve (62) obtains the first execution circuit (53) of dead electricity、Trigger in pressure responsive element triggering circuit (51) and be provided with electromagnetism cut-off valve (61) and be controlled by trigger circuit (51) second execution circuit (52).
- A kind of clamping device the most according to claim 1, it is characterised in that described first performs circuit (53) includes maintenance button and the solenoid directional control valve (62) of series connection.
- A kind of clamping device the most according to claim 1, it is characterized in that, described triggering circuit (51) includes pressure responsive element, this pressure responsive element is connected to the input of light coupling to control cut-offfing of light coupling, the outfan of this light coupling connect have relay coil with control relay coil dead electricity.
- A kind of clamping device the most according to claim 3, it is characterised in that described second performs circuit (52) includes the electromagnetism cut-off valve (61) being in series mutually, maintenance button and is controlled by the relay normally open contact of relay coil.
- 5. according to the arbitrary described a kind of clamping device of claim 1-4, it is characterized in that, described spacing back-up ring (21) is relatively gone up and is equipped with cushion (42) on the face of fixture block (11) and lower fixture block (12), and described pressure responsive element is located between cushion (42) and spacing back-up ring (21).
- A kind of clamping device the most according to claim 5, it is characterised in that the another side of described cushion (42) relative limit back-up ring (21) is provided with the shock sheet (43) being made up of hard material.
- A kind of clamping device the most according to claim 6, it is characterised in that described shock sheet (43) is removably connected by VELCRO with cushion (42).
- A kind of clamping device the most according to claim 7, it is characterised in that described shock sheet (43) is arranged to two semicircular annular.
- A kind of clamping device the most according to claim 8, it is characterised in that described cushion (42) is removably connected with spacing back-up ring (21) by VELCRO.
- 10. a cutting machine, it is characterised in that comprise described clamping device arbitrary just like claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620335972.0U CN205521658U (en) | 2016-04-20 | 2016-04-20 | Fixture and have its cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620335972.0U CN205521658U (en) | 2016-04-20 | 2016-04-20 | Fixture and have its cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205521658U true CN205521658U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620335972.0U Expired - Fee Related CN205521658U (en) | 2016-04-20 | 2016-04-20 | Fixture and have its cutting machine |
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| Country | Link |
|---|---|
| CN (1) | CN205521658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138799A (en) * | 2017-05-23 | 2017-09-08 | 李培培 | A kind of valve cutting machine being conveniently replaceable |
-
2016
- 2016-04-20 CN CN201620335972.0U patent/CN205521658U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138799A (en) * | 2017-05-23 | 2017-09-08 | 李培培 | A kind of valve cutting machine being conveniently replaceable |
| CN107138799B (en) * | 2017-05-23 | 2018-11-23 | 朱德仲 | A kind of valve cutting machine being conveniently replaceable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |