CN2542338Y - Striker-type mixing head structure for two-component forming moulding machine - Google Patents
Striker-type mixing head structure for two-component forming moulding machine Download PDFInfo
- Publication number
- CN2542338Y CN2542338Y CN 02216767 CN02216767U CN2542338Y CN 2542338 Y CN2542338 Y CN 2542338Y CN 02216767 CN02216767 CN 02216767 CN 02216767 U CN02216767 U CN 02216767U CN 2542338 Y CN2542338 Y CN 2542338Y
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- pull bar
- mixing head
- shank
- casting
- interlocking
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Abstract
The utility model relates to a firing pin mixing chamber structure of a three-component foam forming machine, which is mainly characterized in that a mixing chamber body is provided with two cylinder pedestals and three groups of perfusion apparatuses. Every cylinder pedestal is in pivot connection with two connecting rods, one end of which is connected with the perfusion apparatuses, and the other end of which is connected with piston rods. One group of the perfusion apparatuses is clamped with two connecting rods that can be in relative motion, and through the stretching of one piston rod, adjacent two perfusion apparatuses can be in simultaneous connecting movement, or through the stretching of the two piston rods, the three groups of perfusion apparatuses can be in simultaneous connecting movement to open or close, thus the function of controlling foaming material perfusion mixing ratio effectively and definitely can be achieved. Additionally, the needle bar and the needle valve seat that are in lock connection are easy to disassemble, therefore, which ensures effective cleaning perfusion apparatuses to keep the perfusion apparatuses unblock.
Description
Technical field
The utility model relates to a kind of three composition foaming machine striker formula mixing head structures.
Background technology
General foam articles utilizes different expanded materials according to the moulding of predetermined ratio mixed foaming mostly, so polygamy has the device for casting of predetermined number on the foaming machine; The foaming raw material that fixed proportion is provided according to this is with the operation of foaming; Foaming machine with three compositions is an example, and this board is equipped with three device for casting, and the corresponding material tube of each device for casting, and controls the switching motion of this device for casting by a pneumatic cylinder; Then can select adjacent two device for casting or three device for casting material feedings simultaneously during use, with the foaming operation of being scheduled to.
Though the device for casting of more than commonly using on the foaming machine has pneumatic cylinder can control the keying effect, but because each pneumatic cylinder is to cooperate the keying of predetermined mechanism with the control device for casting separately, do not see under the error that the machinery group of identical and each mechanism establishes, moves in the control of the air pressure of each pneumatic cylinder, real difficulty makes the device for casting of start separately reach the effect of synchronous opening/closing, so the mixed proportion of foaming raw material just produces error with preset value, and then influence product quality, so it is practical not required to the greatest extent to plant structural design, haves much room for improvement; Various in addition foaming raw materials are in the filling process that flows, residual being accumulated in the device for casting of unavoidable meeting, in the time of one section in the future device for casting just need clean to recover smoothness, but mostly make the sealing shape because of commonly using device for casting, not easily-disassembled, so cleaning performance is unsatisfactory, and the device for casting of failing to clean really uses once again, very easily the mixed proportion to the flowability of raw material and stock yard produces harmful effect, is to fail to close to the greatest extent practicality to commonly use device for casting, and the necessity that is improved is arranged.
Summary of the invention
Main purpose of the present utility model is to overcome the defective of above-mentioned prior art, and a kind of three composition foaming machine striker formula mixing head structures are provided.
The purpose of this utility model is achieved in that a kind of three composition foaming machine striker formula mixing head structures, it is characterized in that this structure includes:
One mixing head body, it is made reservation shape and offers a sprue;
Two cylinder blocks, an end system are provided with relative pivot ear, and other end group is located on this mixing head body, with mixing head bulk junction integrator;
Two piston rods, an end offers a clamping slot, and other end group is located in the cylinder block;
Four connecting rods, each centre position are pivoted to combine to be with the pivot ear of cylinder block respectively and can swing shape, and respectively have an end to be fastened in the clamping slot of piston rod;
Three groups of device for casting, an end and link rob are established, and other end interlocking has shank and needle seating, and this shank one end is provided with syringe needle, and offer fill orifice on this needle seating, this fill orifice is relative with syringe needle;
These three groups of device for casting can be made up of a pull bar, a shank, a compression spring, a pull bar support set, a circulation cover and a needle seating, wherein:
This pull bar is the major axis shape, and an end offers a card and establishes the hole, and middle place system is established a block face, and the outer surface system of the other end is provided with less external diameter and it is recessed to form ring, and the recessed resistance material anchor ring that is formed with of next-door neighbour's ring, then makes as for end face and is made as screw;
This shank, an end convexes with syringe needle, and other end outer surface system is provided with screw thread, and this shank is connected in the screw of pull bar by screw fastening;
This compresses spring, be nested with pull rod shaft to, and an end abuts against on block face;
This pull bar support set, inner shaft is to the accommodation space that is set as perforation, and be formed with a retaining edge on the precalculated position of accommodation space, and pull bar support set appearance one end system is provided with an interlocking anchor ring, and offer some lockholes on this interlocking anchor ring, this pull bar support set places with the combination of accommodation space for pull bar and compression spring, and the other end of this compression spring abuts against on the retaining edge;
This cover that circulates, inner shaft is to offering consistent break-through road, and an end is made the lock-joining part with lockhole, the other end is made central siphon portion, and offer return port and plup inlet on central siphon portion surface, and the end inner face system of central siphon portion is provided with screw thread, set packing ring in lock-joining part inside, lock-joining part is relative with the interlocking anchor ring of pull bar support set, by predetermined interlocking element interlocking combination, and pull bar one end and shank stretch into central siphon portion inside, and just form spacing between the internal face of the recessed and central siphon portion of made ring on this pull bar, and the resistance material anchor ring of tie rod end contacts shape with the internal face formation of central siphon portion;
This needle seating, be the cap shape, system is provided with screw thread on the one end outer surface, and offers the fill orifice of a pin hole shape on the other end, being spirally connected by the set screw thread of the central siphon portion end inner face of screw thread and circulation cover combines, and the syringe needle of interlocking on the shank of tie rod end just can be relative with fill orifice;
These three groups of device for casting are organized in regular turn and are located on the mixing head body, and the set pull bar of device for casting in centre position, place, position, and the card that the one end is offered is established the hole and be can be made into rectangular poroid.
Positive progressive effect of the present utility model is effectively to control the raw material mixed proportion, set the shank and the needle seating of interlocking in addition on each device for casting, and the shank of interlocking and needle seating is easy to disassemble, so help the cleaning of device for casting.
Description of drawings
Fig. 1 is an exploded view of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is a partial structurtes enlarged diagram of the present utility model.
Fig. 4 is the action schematic diagram that the utility model stops to pour into.
Fig. 5 is the partial structurtes enlarged diagram that the utility model stops to pour into.
The specific embodiment
See also shown in Fig. 1,2, the utility model three composition foaming machine striker formula mixing head structures mainly are made of jointly a mixing head body 10, two cylinder blocks 20, two piston rods 30, four connecting rods 40 and three groups of 50 of device for casting, wherein:
This mixing head body 10 is made reservation shape and is offered a sprue 11.
These cylinder block 20 1 end systems are provided with relative pivot ear 21, and the other end is then organized and is located on this mixing head body 10, is combined into one with this mixing head body 10.
These piston rod 30 1 ends offer a clamping slot 31, and other end group is located in the cylinder block 20, and can cooperate predetermined Pneumatic pressure power and telescopic movable.
This four connecting rods 40 each with the centre position respectively with two cylinder blocks 20 on pivot ear 21 be pivoted to combine and be and can swing shape, and two connecting rods 40 that are hubbed on same cylinder block 20 respectively have an end to be fastened in the clamping slot 31 of piston rod 30.
These three groups of device for casting 50, each is made up of a pull bar 51, a shank 52, a compression spring 53, a pull bar support set 54, a circulation cover 55 and one needle seating 56, wherein:
This pull bar 51 is made the major axis shape, one end offers a card and establishes hole 511, and middle place system is established a block face 513, and the outer surface system of the other end is provided with less external diameter to form ring recessed 515, and next-door neighbour's ring recessed 515 is formed with a resistance material anchor ring 519, then makes as for end face and is made as screw 517.
These shank 52 1 ends convex with syringe needle 521, and other end outer surface system is provided with screw thread 523, shank 52 by screw thread 523 and interlocking in the screw 517 of pull bar 51.
This compression spring 53 is nested with at pull bar 51 axial, and an end abuts against on block face 513.
These pull bar support set 54 inner shafts are set as the accommodation space 541 of perforation to system, and be formed with a retaining edge 543 on the precalculated position of accommodation space 541, and pull bar support set 54 appearances one end system is provided with an interlocking anchor ring 545, and offer some lockholes 547 on this interlocking anchor ring 545, when this pull bar support set 54 supplies the combination of pull bar 51 and compression spring 53 to place with accommodation space 541, just can make the other end (shown in Fig. 2 for upper end) of this compression spring 53 abut against on retaining edge 543, compression spring 53 is contained in the accommodation space 541 and locatees.
These circulation cover 55 inner shafts are to offering consistent break-through road 551, and an end is made the lock-joining part 553 with lockhole 552, the other end is made central siphon portion 554, and central siphon portion 554 surfaces offer return port 555 and plup inlet 556, end inner face system is provided with screw thread 557, set packing ring 558 in lock-joining part 553 inside, 559, and it is relative with lock-joining part 553 with the interlocking anchor ring 545 of pull bar support set 54, and by predetermined interlocking element interlocking combination, then pull bar 51 1 ends and shank 52 can stretch in the central siphon portion 554, and just form spacing 61 on this pull bar 51 between the internal face of made ring recessed 515 and central siphon portion 554, and the resistance material anchor ring 519 of pull bar 51 ends contacts shape with the internal face one-tenth of central siphon portion 554.
This needle seating 56, make the recessed sky of axial hollow and an end is the cap shape of sealing surface, system is provided with screw thread 561 on the one end outer surface, and offer the fill orifice 563 of a pin hole shape on the other end sealing surface, being spirally connected by the set screw thread 557 of the central siphon portion 554 end inner faces of screw thread 561 and circulation cover 55 combines, and the syringe needle 521 of interlocking on the shank 52 of pull bar 51 ends just can be relative with fill orifice 563.
So the device for casting 50 after the combination is inserted on the mixing head body 10 with the central siphon portion 554 of circulation cover 55, these pull bar 51 1 ends expose mixing head body 10, and the card that the end is offered is established hole 511 and is worn for connecting rod 40 other ends of adjacent side respectively, but form according to this in conjunction with the interlock shape, and the plup inlet 556 that the circulation of stretching into mixing head body 10 is overlapped in the 55 set central siphon portions 554 is relative with the pipeline that is connected material tube, engage, flow into for raw material, and return port 555 is relative with another pipeline, be connected, can be back to automatically in the material tube for raw material, make fill orifice 563 relative with sprue 11 as for 56 of this needle seatings.
Further, three groups of device for casting 50 reach in regular turn and arrange, and the pull bar 51 of the device for casting 50 in the middle of the place, position, the set card of one end is established hole 511 and is made the slotted hole shape, and after foot makes connecting rod 40 1 ends of two sides place, unlikely another connecting rod 40 that interferes with of one connecting rod 40 starts.
When the perfusion foaming raw material, see also Fig. 2, shown in 3, the action that three groups of device for casting 50 of present embodiment are opened simultaneously, each piston rod 30 shrinks to mixing head body 10 directions and moves, and each connecting rod 40 1 end of interlock, and make each connecting rod 40 position that is pivoted produce swing for axle, cause each pull bar 51 of each connecting rod 40 other ends institute interlock can same moved further, at this moment, syringe needle 521 on the shank 52 is promptly separable with the fill orifice 563 on the needle seating 56, and make 556 one-tenth connected states of fill orifice 563 and plup inlet, so foaming raw material can enter in the mixing head body 10, is poured into by sprue 11 outputs after mixing.
And when only needing to inject two kinds of foaming ingredients, can make a wherein piston rod 30 starts, this moment just synchronously the device for casting 50 of these piston rod 30 2 sides of interlock (wherein comprise position place in the middle of a device for casting) provide binary to pour into operation, and what deserves to be mentioned is, offering rectangular poroid card on the device for casting 50 because of centre place establishes hole 511 and places for the connecting rod 40 of two sides, and when wherein a connecting rod 40 is swung, though pull bar 51 start thereupon of the device for casting 50 at middle place, but interlock is not penetrated another connecting rod 40 on pull bar 51 with scale, in other words, another group device for casting 50 is unaffected, not having any action produces, so can not cause mistake to annotate the situation of other foaming raw materials in the use, practicality undoubtedly.
In view of the above, the utility model is established state by piston rod 30, connecting rod 40 and 51 one-tenth cards of pull bar, in guaranteeing that with three pull bars 51 of synchronous start three kinds of foaming compositions can be at one time, enter in the mixing head body 10 with predetermined ratio and to mix, effectively improve and commonly use the defective that charging that device for casting causes because of control out of the ordinary and time error that mechanical action produced mixes inequality; And when taking the perfusion of specific two compositions, also anxiety that can other foaming raw materials of wrong filling.
And when not pouring into, see also shown in Fig. 4,5, piston rod 30 stretches out away from mixing head body 10, each pull bar 51 that this moment, connecting rod 40 ends were connected is shifted to mixing head body 10, make the syringe needle 521 of shank 52 be plugged in the fill orifice 563 of needle seating 56, and 519 proper the obstructs between plup inlet 556 and fill orifice 563 of the resistance material anchor ring on the pull bar 51, foaming raw material is no longer exported poured into; And what deserves to be mentioned is that formed spacing 61 is just relative with return port 555 with plup inlet 556 between the ring of this pull bar 51 recessed 515 and central siphon portion 554 walls, cause the foaming raw material that can't outpour to flow back in the material tube through return port 555.
The utility model is except effectively making each pull bar 51 synchronization action, to provide outside certain mixed perfusion effect, because needle seating 56 all is to make up in the interlocking mode with shank 52, therefore in the time must cleaning device for casting 50, needle seating 56 and shank 52 can be unloaded, to carry out the cleaning of each element surface, inside, its cleaning performance is more certain than the cleaning performance of commonly using device for casting, can make device for casting keep good smoothness relatively, positively to reach the practical effect of predetermined mix ratio.
Claims (3)
1, a kind of three composition foaming machine striker formula mixing head structures is characterized in that this structure includes:
One mixing head body, it is made reservation shape and offers a sprue;
Two cylinder blocks, an end system are provided with relative pivot ear, and other end group is located on this mixing head body, with mixing head bulk junction integrator;
Two piston rods, an end offers a clamping slot, and other end group is located in the cylinder block;
Four connecting rods, each centre position are pivoted to combine to be with the pivot ear of cylinder block respectively and can swing shape, and respectively have an end to be fastened in the clamping slot of piston rod;
Three groups of device for casting, an end and link rob are established, and other end interlocking has shank and needle seating, and this shank one end is provided with syringe needle, and offer fill orifice on this needle seating, this fill orifice is relative with syringe needle.
2, three composition foaming machine striker formula mixing head structures according to claim 1 is characterized in that these three groups of device for casting can be made up of a pull bar, a shank, a compression spring, a pull bar support set, a circulation cover and a needle seating, wherein:
This pull bar is the major axis shape, and an end offers a card and establishes the hole, and middle place system is established a block face, and the outer surface system of the other end is provided with less external diameter and it is recessed to form ring, and the recessed resistance material anchor ring that is formed with of next-door neighbour's ring, then makes as for end face and is made as screw;
This shank, an end convexes with syringe needle, and other end outer surface system is provided with screw thread, and this shank is connected in the screw of pull bar by screw fastening;
This compresses spring, be nested with pull rod shaft to, and an end abuts against on block face;
This pull bar support set, inner shaft is to the accommodation space that is set as perforation, and be formed with a retaining edge on the precalculated position of accommodation space, and pull bar support set appearance one end system is provided with an interlocking anchor ring, and offer some lockholes on this interlocking anchor ring, this pull bar support set places with the combination of accommodation space for pull bar and compression spring, and the other end of this compression spring abuts against on the retaining edge;
This cover that circulates, inner shaft is to offering consistent break-through road, and an end is made the lock-joining part with lockhole, the other end is made central siphon portion, and offer return port and plup inlet on central siphon portion surface, and the end inner face system of central siphon portion is provided with screw thread, set packing ring in lock-joining part inside, lock-joining part is relative with the interlocking anchor ring of pull bar support set, by predetermined interlocking element interlocking combination, and pull bar one end and shank stretch into central siphon portion inside, and just form spacing between the internal face of the recessed and central siphon portion of made ring on this pull bar, and the resistance material anchor ring of tie rod end contacts shape with the internal face formation of central siphon portion;
This needle seating, be the cap shape, system is provided with screw thread on the one end outer surface, and offers the fill orifice of a pin hole shape on the other end, being spirally connected by the set screw thread of the central siphon portion end inner face of screw thread and circulation cover combines, and the syringe needle of interlocking on the shank of tie rod end just can be relative with fill orifice.
3. three composition foaming machine striker formula mixing head structures according to claim 2, it is characterized in that these three groups of device for casting are organized in regular turn is located on the mixing head body, and the set pull bar of device for casting in centre position, place, position, the card that the one end is offered is established the hole and be can be made into rectangular poroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02216767 CN2542338Y (en) | 2002-04-12 | 2002-04-12 | Striker-type mixing head structure for two-component forming moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02216767 CN2542338Y (en) | 2002-04-12 | 2002-04-12 | Striker-type mixing head structure for two-component forming moulding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2542338Y true CN2542338Y (en) | 2003-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02216767 Expired - Fee Related CN2542338Y (en) | 2002-04-12 | 2002-04-12 | Striker-type mixing head structure for two-component forming moulding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2542338Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501296A (en) * | 2017-02-28 | 2018-09-07 | 浙江海峰制鞋设备有限公司 | A kind of pouring head mixing chamber for PU materials |
-
2002
- 2002-04-12 CN CN 02216767 patent/CN2542338Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501296A (en) * | 2017-02-28 | 2018-09-07 | 浙江海峰制鞋设备有限公司 | A kind of pouring head mixing chamber for PU materials |
| CN108501296B (en) * | 2017-02-28 | 2024-02-27 | 浙江海峰自动化设备有限公司 | Casting head mixing chamber for PU material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |